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    Wyświetlanie 1-91 z 91
    Tytuł:
    Global citizenship education and the idea of diverse epistemologies
    Edukacja do obywatelskości globalnej a idea epistemologii zróżnicowanych
    Autorzy:
    Horsthemke, Kai
    Powiązania:
    https://bibliotekanauki.pl/articles/1374128.pdf
    Data publikacji:
    2020
    Wydawca:
    Uniwersytet Kardynała Stefana Wyszyńskiego w Warszawie
    Tematy:
    obywatelskość
    epistemologia
    różnorodność
    edukacja
    education
    citizenship
    epistemology
    diversity
    Opis:
    Three broad kinds of orientation can be identified with regard to (global) citizenship education (GCE): cosmopolitanism, localism, and relationalism. They differ in their respective approaches not only to cultural transmission and instruction but also to knowledge and knowledge production. My aim in this paper is to interrogate the notion of local or indigenous knowledge in GCE research and to investigate whether the postcolonial idea of diverse epistemologies does not employ a mistaken sense of ‘epistemology’. I argue that there are good reasons for an unequivocal and universally applicable understanding of knowledge and epistemology in (global) citizenship education and GCE research – and for being able to distinguish between knowledge and non-knowledge. Geographic, ethnic, racial and gender-based origin and affiliation do not constitute relevant criteria for any such demarcation. Instances in which they are cited as criteria raise questions not of epistemological relevance but rather of social justice.  
    Odnośnie edukacji do obywatelskości (globalnej) da się wyróżnić co najmniej trzy orientacje: kosmopolityzm, lokalizm irelacjonalizm. Odróżniają się one odmiennym podejściem do przekazywania nie tylko kultury, lecz równie wiedzy i jej tworzenia. Autor stawia sobie za cel zbadanie pojęcia lokalnej (rdzennej) wiedzy w badaniach na temat edukacji do obywatelskości (globalnej) i rozstrzygnięcie na tej podstawie kwestii: Czy postkolonialna idea zróżnicowania epistemologicznego nie zawiera błędnego pojęcia epistemologii? Jego zdaniem istnieją racje uzasadniające konieczność jednoznacznego i uniwersalnego rozumienia wiedzy i epistemologii – w tym również w zakresie edukacji do obywatelskości (globalnej) i badaniach na ten temat. Przyjęcie tych racji umożliwia rozróżnienie między wiedzą a niewiedzą. W przeciwieństwie do tego miejsce zamieszkania, przynależność etniczna, rasowa ani płeć nie dostarczają wystarczających kryteriów do przeprowadzenia takiego rozgraniczenia. Opracowania, w których autorzy powołują się na dane te jako kryteria epistemologiczne, powinny być rozważane nie jako wypowiedzi o charakterze epistemologicznym, lecz pytania o sprawiedliwość społeczną.
    Źródło:
    Forum Pedagogiczne; 2020, 10, 1; 197-212
    2083-6325
    Pojawia się w:
    Forum Pedagogiczne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Thinking without Heidegger?
    Autorzy:
    Horsthemke, Kai
    Powiązania:
    https://bibliotekanauki.pl/articles/549621.pdf
    Data publikacji:
    2019
    Wydawca:
    Uniwersytet Kardynała Stefana Wyszyńskiego w Warszawie
    Tematy:
    Martin Heidegger
    anti-Semitism
    ethnonationalism
    philosophy of education
    Opis:
    There has been a resurgence of Martin Heidegger’s ideas in recent years, especially within English-language philosophy of education. Yet, there have also been other developments that deserve to be taken seriously, first and foremost the indication that his anti-Semitism informs not only his personal beliefs and political stance but is already rooted in his philosophy, notably his ontology. It is these developments and the context of Heidegger’s philosophy that are examined first, before I return to the purported significance of his ideas for education towards the end of this essay.
    Źródło:
    Forum Pedagogiczne; 2019, 9, 1; 245-256
    2083-6325
    Pojawia się w:
    Forum Pedagogiczne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    ‘Epistemological diversity’ in education: Philosophical and didactic considerations
    ‘Epistemological Diversity’ in Education: Philosophical and Didactic Considerations
    Autorzy:
    Horsthemke, Kai
    Powiązania:
    https://bibliotekanauki.pl/articles/550264.pdf
    Data publikacji:
    2017
    Wydawca:
    Uniwersytet Kardynała Stefana Wyszyńskiego w Warszawie
    Tematy:
    badania nad edukacją
    zróżnicowanie epistemologiczne
    pluralizm
    relatywizm
    Educational research
    epistemological diversity
    pluralism
    relativism
    Opis:
    Niedawno powstałe, ale już szeroko rozpowszechnione przekonanie utrzymuje, że grupy etniczne i kulturowe mają swoje własne, wyróżniające je epistemologie i że epistemologie także mają płeć, a fakt ten był dotąd przeważnie ignorowany przez dominującą grupę społeczną. Konsekwencją tego przekonania jest pogląd, że badania nad edukacją są prowadzone w ramach obejmujących pewne założenia na temat wiedzy i jej uzyskiwania, nakreślonych przez dominującą grupę i odzwierciedlających jej interesy i historyczne tradycje. Nawoływanie do epistemologicznego zróżnicowania staje się problematyczne, gdy łączy w sobie epistemologiczny pluralizm i relatywizm. Bardzo często argumentacja za innymi, zróżnicowanymi, alternatywnymi, zdekolonializowanymi czy zdemaskulinizowanymi epistemologiami nadal nie rozwiązuje, a czasem wręcz całkowicie pomija istotne kwestie filozoficzne. Co dokładnie oznaczają twierdzenia dotyczące epistemologicznego zróżnicowania? Czy te sposoby ustanawiania wiedzy są w stanie przetrwać próbę krytycznego badania? Ponadto, jaki jest ich związek z tradycyjnymi rozróżnieniami epistemologicznymi, np. między wiedzą a wiarą i między dociekaniami deskryptywnymi a normatywnymi oraz z takimi podstawowymi komponentami epistemologicznymi jak dowód/uzasadnienie i prawda? Niniejszy artykuł analizuje niektóre błędy i mylne pojęcia, które można odnaleźć w nawoływaniu do rozwijania zróżnicowanych epistemologii. Stawiane tu pytanie nie ma na celu jedynie ustalenia, czy słowo „epistemologia” jest lub nie jest poprawnie używane, ale także (co jest znacznie ważniejsze), czy zagadnienia, którymi się zajmuje ta dziedzina filozofii, nie są traktowane pobieżnie lub wręcz całkowicie pomijane.
    A recent but widespread view holds that ethnic or cultural groups have their own distinctive epistemologies, that epistemologies are also gendered, and that these have been largely ignored by the dominant social group. A corollary of this view states that educational research is pursued within a framework that represents particular assumptions about knowledge and knowledge production that reflect the interests and historical traditions of this dominant group. The call for epistemological diversity becomes problematic when it conflates epistemological pluralism and epistemological relativism. More often than not, in such arguments for different, diverse, alternative, decolonized or demasculinized epistemologies some relevant philosophical issues remain unresolved, if not unaddressed altogether. What exactly do these claims about epistemological diversity mean? Do these ways of establishing knowledge stand up to critical interrogation? Moreover, how do they relate to traditional epistemological distinctions, e.g. between knowledge and belief and between descriptive and normative inquiry, and to epistemologically essential components like warrant/justification and truth? This paper examines some of the mistakes and misconceptions involved in appeals to diverse epistemologies. The concern is not just whether or not a word (‘epistemology’) is being misused, but also (and importantly) whether or not the issues dealt with in epistemology (a complex field that has evolved over a long period of time) are being given short shrift, if not ignored altogether.
    Źródło:
    Forum Pedagogiczne; 2017, 7, 1; 261-278
    2083-6325
    Pojawia się w:
    Forum Pedagogiczne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Sie dürfen alles, außer lügen. Beobachtungen zu den Erscheinungsformen von Gewalt im höfischen Roman
    Autorzy:
    Lorenz, Kai
    Powiązania:
    https://bibliotekanauki.pl/articles/2119542.pdf
    Data publikacji:
    2020
    Wydawca:
    Uniwersytet Warszawski i Uniwersytet Rzeszowski
    Tematy:
    Gewalt
    Macht
    Sprache
    Gesellschaft
    Manipulation
    Lüge
    Opis:
    In der höfischen Literatur zeigt sich deutlich die Verbindung von Macht, Gewalt und Sprache. Sprachliche und physische Gewalt korrelieren häufig. Gewalt ist akzeptabel, wenn Sie von der richtigen Seite ausgeübt wird. Auch für die Liebe werden Metaphern der Gewalt gebraucht. Während Manipulation ein weit verbreitetes sprachliches Vorgehen ist, erscheint die Lüge als erzählerisches Tabu.
    Źródło:
    tekst i dyskurs - text und diskurs; 2020, 14; 131-145
    1899-0983
    Pojawia się w:
    tekst i dyskurs - text und diskurs
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Polish Peasants in Eastern Galicia: Indifferent to the Nation or Pillars of Polishness? National Attitudes in the Light of Józef Chałasiński’s Collection of Peasant Youth Memoirs
    Autorzy:
    Struve, Kai
    Powiązania:
    https://bibliotekanauki.pl/articles/601737.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Instytut Historii im. Tadeusza Manteuffla PAN w Warszawie
    Tematy:
    Eastern Galicia (Ukraine)
    Józef Chałasiński
    peasantry
    national identity
    Polish peasant movement
    Opis:
    The following article will discuss Polish national attitudes among peasants in Eastern Galicia in the light of memoirs of peasant youth that the sociologist Józef Chałasiński collected in 1938 and analysed in his seminal work Młode pokolenie chłopów [The young generation of peasants]. It will start with a discussion of differences in processes of the integration of peasants into the Polish nation in Western and Eastern Galicia until WWI. The article will argue that Western Galician peasants, represented in the Polish peasant parties, embraced the idea of being the ‘pillars of Polishness’ while for Roman Catholic or Polish speaking peasants in Eastern Galicia that remained rather an ascription by nationalist circles of the Polish intelligentsia. This condition, as Józef Chałasiński’s collection of memoirs show, does not seem to have changed much during the interwar period.
    Źródło:
    Acta Poloniae Historica; 2014, 109
    0001-6829
    Pojawia się w:
    Acta Poloniae Historica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Laughing at Numbers: Evidence for Numeracy in the “Philogelos”
    Śmiejąc się z liczb: przykłady obliczeń w Filogelosie
    Autorzy:
    Brodersen, Kai
    Powiązania:
    https://bibliotekanauki.pl/articles/1045677.pdf
    Data publikacji:
    2020-12-30
    Wydawca:
    Uniwersytet im. Adama Mickiewicza w Poznaniu
    Tematy:
    numeracy
    education
    applied mathematics
    Philogelos
    jokes
    Opis:
    Ancient numeracy is reasonably well attested in scientific sources. However, any study of applied mathematics faces the problem of a dearth of evidence. The paper suggests that the jokes collected in the “Philogelos” provide such evidence, and discusses the failings which are referred to in these jokes.
    Źródło:
    Symbolae Philologorum Posnaniensium Graecae et Latinae; 2020, 30; 123-133
    0302-7384
    Pojawia się w:
    Symbolae Philologorum Posnaniensium Graecae et Latinae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    New Forms of Communities? The Constitution and Performance of Audiences in Digital Theater during the COVID-19 Pandemic
    Nowe formy wspólnotowości? Tworzenie się i performanse publiczności teatru cyfrowego podczas pandemii COVID-19
    Autorzy:
    Padberg, Kai
    Powiązania:
    https://bibliotekanauki.pl/articles/34112077.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Instytut Sztuki PAN
    Tematy:
    publiczność
    pandemia
    teatr niemiecki
    wspólnota
    odbiór
    sztuki performatywne
    cyfrowość
    hybrydyzacja
    audience
    pandemic
    German theater
    community
    reception
    performing arts
    digitality
    hybrydization
    Opis:
    The Covid-19 pandemic plunged many theaters around the world into a temporary crisis and favored the rise of digital theater forms. This article investigates how the reception of theater changes in the digital space and, above all, how audiences as a social dimension of theatrical performances must first be constituted separately there. Based on performance analysis of the digital theater productions Homecoming and Sterben from Germany, the significance of the digital infrastructure for the assembly, performance, and action repertoires of these theater audiences is discussed. The author examines how audiences can be formed into different temporal communities in the digital space. These temporal communities are characterized by hybridity and have the potential to enable intense theatrical encounters across spatial boundaries.
    Pandemia COVID-19 pogrążyła wiele teatrów na świecie w okresowym kryzysie, równocześnie sprzyjając rozwojowi cyfrowych form teatralnych. Przedmiotem artykułu są zmiany w odbiorze teatru w przestrzeni cyfrowej, a przede wszystkim konieczność odrębnego ukonstytuowania się tam publiczności, rozumianej jako społeczny aspekt przedstawień teatralnych. Analiza performatywna dwóch cyfrowych produkcji teatralnych z Niemiec, Homecoming i Sterben, jest podstawą refleksji nad znaczeniem infrastruktury cyfrowej dla możliwych form gromadzenia się, doświadczeń i działań tego rodzaju publiczności teatralnej. Autor bada, jak publiczność może tworzyć różne tymczasowe wspólnoty w przestrzeni cyfrowej. Wspólnoty te odznaczają się hybrydycznością i umożliwiają intensywne spotkania teatralne pomimo fizycznego dystansu.
    Źródło:
    Pamiętnik Teatralny; 2021, 70, 3; 145-163
    0031-0522
    2658-2899
    Pojawia się w:
    Pamiętnik Teatralny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Eine Beziehung mit Hindemissen - Deutsch-Polnische Beziehungen zwischen Konfrontation und Zusammenarbeit
    Współdziałanie z przeszkodami - stosunki polsko-niemieckie między konfrontacją a współpracą
    Autorzy:
    Lang, Kai-Olaf
    Powiązania:
    https://bibliotekanauki.pl/articles/505961.pdf
    Data publikacji:
    2006
    Wydawca:
    Krakowska Akademia im. Andrzeja Frycza Modrzewskiego
    Opis:
    Stosunki polsko-niemieckie rozwijały się w latach 90. ze zdumiewającą dynamiką i zdawały się stwarzać model udanej „pracy w zgodzie” oraz konstruktywnej współpracy w Europie. Za takim rozwojem kryły się trzy zasadnicze procesy: - dehistoryzacja, czyli wzrastająca relatywizacja negatywnej siły nacechowanej tematami z przeszłości ukierunkowana na wzajemną kooperację w teraźniejszości, - depolityzacja, czyli okoliczność, że zabarwienie polityczne rządów po obu stronach nie ma pierwotnego wpływu na jakość stosunków bilateralnych, - europeizacja, tzn. rozwój współpracy bilateralnej w kontekście multilateralnym, przede wszystkim w europejskim, uwzględniający coraz więcej punktów widzenia odnośnie stosunków polsko-niemieckich. Po około dziesięciu latach te trzy tendencje wyczerpały się, a nawet nabrały cech przeciwnych. Problemy historyczne znowu zajęły centralną pozycję w stosunkach bilateralnych. Skład koalicji rządowej odbił się na stanie stosunków polsko-niemieckich, a przede wszystkim uwidocznił się podwójny charakter europeizacji, która nadal stanowi co prawda ramy stabilizujące, gwarantujące, że oba kraje mimo bilateralnych zarzutów, nadal wspólnie z 23 innymi państwami rozmawiają w sposób poprawny merytorycznie na liczne tematy, jednakże okazuje się to także źródłem napięć. Szczególnie jasno widoczne stało się to w końcowej fazie procesu rozszerzania UE, w sprawie wojny w Iraku lub w problemach związanych z konstytucją europejską. Dokonane w 2004 r. rozszerzenie Unii Europejskiej stanowi tym samym centralny znacznik rozwoju stosunków polsko-niemieckich po 1989 r. „Wspólnota interesów” obu państw, której jądro stanowiło polityczne przystąpienie do UE (i NATO), wymagałoby nowego uzasadnienia i nowego zdefiniowania meritum, jednakże zamiast nowych impulsów dla transformacji stosunków polsko-niemieckich dla proaktywnej wspólnoty kształtowania Europy, charakteryzował się ten stosunek relatywizmem i ciągłymi nieporozumieniami. Wzmocnieniu uległo to częściowo poprzez umotywowane wewnątrzpolitycznie sposoby postępowania, częściowo poprzez próby stworzenia nowych kierunków w polityce zagranicznej i europejskiej, a częściowo wskutek specyficznej „optyki” oraz stosunków bilateralnych w obu krajach. W Niemczech uwidocznił się - w szczególności na tle tarć europejskich, takich jak konflikt iracki czy traktat konstytucyjny — rodzaj „nierówności akceptacji różnic”. Sposoby zachowania, przejęte niejako mniej lub bardziej w milczeniu przez kraje „starej” Europy, traktowano w spojrzeniu na Polskę jako „złamanie lojalności” i nieposłuszeństwo. Bardziej w mediach i dyskusjach publicznych niż wśród klasy politycznej dochodziło przy tym do form „Poland-Bashing”, które wyrażały możliwą awersję dużej części opinii publicznej wobec rozszerzenia UE na Wschód, przy czym Polska jako największy spośród nowych krajów członkowskich i „najbardziej rzucający się w oczy”, stawała się często celem takich ataków. W Polsce natomiast, w związku z uzyskaniem członkostwa w Unii Europejskiej, doszło do powstania nowego, asertywnego konsensusu w sprawie polityki europejskiej. Jednocześnie, co także w swej istocie jest ponadpartyjnym fenomenem, doszło do zmiany wizerunku Niemiec: zachodni sąsiad, wcześniej modelowy i dzięki swej roli „adwokata” szczególny sojusznik, stał się nagle także lub głównie postrzegany jako konkurent i „niepewny kantonista”. Przyśpieszony tradycyjną strukturalną nierównowagą („asymetrią”) rozwinął się w Polsce syndrom Niemiec, w którym zlała się w jedno obawa przed renacjonalizującymi się Niemcami, kroczącymi szczególnymi drogami w polityce zagranicznej i europejskiej i w których pojawia się (co było widoczne szczególnie w sprawie Centrum Przeciw Wypędzeniom) nowy rewizjonizm historyczny. Po zmianie rządu w Polsce jesienią 2005 r. stały się te tendencje znacznie bardziej widoczne, gdyż powiązane zostały w częściowo zideologizowanym, częściowo asekuracyjnym i historyczno-politycznym związku. Odnośnie ogólnego wizerunku stosunków polsko-niemieckich w kompleksowym oraz szybko transformującym się otoczeniu europejskim i międzynarodowym, należy założyć, że w przewidywalnej przyszłości pojawiać się będą coraz to nowe irytacje, rozgrywające się przede wszystkim w obszarach, w których chodzi o elementarne wyzwania polityki bezpieczeństwa (w szczególności odnośnie Europy Wschodniej i stosunku do Rosji), zasadnicze problemy z punktu widzenia polityki europejskiej i interpretacje historii XX wieku. Nie oznacza to, że stosunki pomiędzy obu krajami nadal nacechowane będą konfliktami i kolizjami, gdyż w ciągu ostatnich piętnastu lat funkcjonalnie silnie zdywersyfikowanych relacji polsko-niemieckich powstał cały szereg obszarów bilateralnego i multilateralnego współdziałania rozwijających się nadal, mimo politycznych zaburzeń. Stosunki pomiędzy obu krajami przypominać będą zatem raczej pewien rodzaj „konfrontacji kooperacyjnej”, zawierającej zarówno elementy konstruktywne, jak i momenty dywergencji. Będzie to więc raczej forma pragmatycznej, selektywnej kooperacji, na której oprą się obydwa kraje. Poza być może pożądanym, ale obecnie mało realnym „partnerstwem strategicznym” oraz mimo wszelkich nieporozumień, mało prawdopodobnym „sąsiedztwem indyferentnym”, Niemcy i Polska jako sąsiedzi w UE będą skazani na siebie zarówno w pozytywnym, jak i negatywnym względzie.
    Źródło:
    Krakowskie Studia Międzynarodowe; 2006, 4; 342-354
    1733-2680
    2451-0610
    Pojawia się w:
    Krakowskie Studia Międzynarodowe
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A Systematic Reuse Process for Automated Acceptance Tests: Construction and Elementary Evaluation
    Autorzy:
    Irshad, Mohsin
    Petersen, Kai
    Powiązania:
    https://bibliotekanauki.pl/articles/2060903.pdf
    Data publikacji:
    2021
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    software component
    software reuse
    software testing
    analysis
    verification
    agile software development methodology
    agile software development practice
    software quality
    Opis:
    Context: Automated acceptance testing validates a product’s functionality from the customer’s perspective. Text-based automated acceptance tests (AATs) have gained popularity because they link requirements and testing. Objective: To propose and evaluate a cost-effective systematic reuse process for automated acceptance tests. Method: A systematic approach, method engineering, is used to construct a systematic reuse process for automated acceptance tests. The techniques to support searching, assessing, adapting the reusable tests are proposed and evaluated. The constructed process is evaluated using (i) qualitative feedback from software practitioners and (ii) a demonstration of the process in an industry setting. The process was evaluated for three constraints: performance expectancy, effort expectancy, and facilitating conditions. Results: The process consists of eleven activities that support development for reuse, development with reuse, and assessment of the costs and benefits of reuse. During the evaluation, practitioners found the process a useful method to support reuse. In the industrial demonstration, it was noted that the activities in the solution helped in developing an automated acceptance test with reuse faster than creating a test from scratch i.e., searching, assessment and adaptation parts. Conclusion: The process is found to be useful and relevant to the industry during the preliminary investigation.
    Źródło:
    e-Informatica Software Engineering Journal; 2021, 15, 1; 133--162
    1897-7979
    Pojawia się w:
    e-Informatica Software Engineering Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Optical design of a short-wave infrared coded aperture snapshot spectral imager based on Offner–Wynne imaging spectrometer
    Autorzy:
    Song, Chong
    Zhou, Liang
    Liu, Zhaohui
    Jiang, Kai
    Liu, Kai
    Powiązania:
    https://bibliotekanauki.pl/articles/2086755.pdf
    Data publikacji:
    2022
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    Offner-Wynne imaging spectrometer
    CASSI
    coded aperture snapshot spectral imager
    short-wave infrared
    optical design
    Opis:
    A calculation model to obtain the optimal combination of Offner–Wynne imaging spectrometer parameters to balance the RMS spot radius of the chief ray over the entire field is established. On the basis of the calculation model, an Offner–Wynne imaging spectrometer is designed, and then it is applied in a short-wave infrared coded aperture snapshot spectral imager (CASSI). The optical system of the short-wave infrared CASSI is designed by a combination method of independent design and integrated optimization. The spectral smile and spectral keystone of the optical system which operates in the 900–1700 nm band are respectively less than half a pixel. The focal length of the optical system is 1200 mm, the total optical system length is 775mm, and its average spectral resolution is 16 nm. The optical system offers the advantages of excellent imaging quality, compact optical structure, high optical transmittance, reduced spectral smile and spectral keystone.
    Źródło:
    Optica Applicata; 2022, 52, 2; 143--161
    0078-5466
    1899-7015
    Pojawia się w:
    Optica Applicata
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A Review of Methods and Challenges for Improvement in Efficiency and Distance for Wireless Power Transfer Applications
    Autorzy:
    Kuka, Sokol
    Ni, Kai
    Alkahtani, Mohammed
    Powiązania:
    https://bibliotekanauki.pl/articles/1193899.pdf
    Data publikacji:
    2020
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    wireless power transfer
    inductive power transfer technique
    efficiency
    distance
    safety
    security
    Opis:
    Over the past few years, interest and research in wireless power transfer (WPT) have been rapidly incrementing, and as an effect, this is a remarkable technology in many electronic devices, electric vehicles and medical devices. However, most of the applications have been limited to very close distances because of efficiency concerns. Even though the inductive power transfer technique is becoming relatively mature, it has not shown near-field results more than a few metres away transmission. This review is focused on two fundamental aspects: the power efficiency and the transmission distance in WPT systems. Introducing the principles and the boundaries, scientific articles will be reviewed and discussed in terms of their methods and respective challenges. This paper also shows more important results in efficiency and distance obtained, clearly explaining the theory behind and obstacles to overcome. Furthermore, an overlook in other aspects and the latest research studies for this technology will be given. Moreover, new issues have been raised including safety and security.
    Źródło:
    Power Electronics and Drives; 2020, 5, 40; 1-25
    2451-0262
    2543-4292
    Pojawia się w:
    Power Electronics and Drives
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effects of initial damage on time-dependent behavior of sandstone in uniaxial compressive creep test
    Wpływ uszkodzeń początkowych na przebieg czasowy zmian zachowania piaskowca w trakcie próby jednoosiowego pełzania
    Autorzy:
    Hou, Rongbin
    Zhang, Kai
    Tao, Jing
    Powiązania:
    https://bibliotekanauki.pl/articles/219522.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    próba pełzania jednoosiowego przy wielokrotnym obciążeniu
    uszkodzenia początkowe
    czasowy przebieg zachowań górotworu
    piaskowiec
    multi-loading uniaxial creep test
    initial damage
    time-dependent behaviour
    sandstone
    Opis:
    Time-dependent behavior of rock mass is important for long-term stability analysis in rock engineering. Extensive studies have been carried out on the creep properties and rheological models for variable kinds of rocks, however, the effects of initial damage state on the time-dependent behavior of rock has not yet been taken into consideration. In the present study, the authors proposed a creep test scheme with controlled initial damage to investigate the influence of initial damage on the time-dependent behavior of sandstone. In the test scheme, the initial states of damage were first determined via unloading the specimen from various stresses. Then, the creep test was conducted under different stress levels with specific initial damage. The experimental results show that there is a stress threshold for the initial damage to influence the behavior of the rock in the uniaxial compressive creep tests, which is the stress threshold of dilatancy of rock. When the creep stress is less than the stress threshold, the effect of the initial damage seems to be insignificant. However, if the creep stress is higher than the stress threshold, the initial damage has an important influence on the time-dependent deformation, especially the lateral and volumetric deformation. Moreover, the initial damage also has great influence on the creep failure stress and long-term strength, i.e., higher initial damage leading to lower creep failure stress and long-term strength. The experimental results can provide valuable data for the construction of a creep damage model and long-term stability analysis for rock engineering.
    Przebieg czasowy zachowania górotworu jest zagadnieniem kluczowym w analizie stabilności systemu w ujęciu długoterminowym. Przeprowadzono szerokie badania modeli reologicznych i właściwości procesów pełzania dla rozmaitych typów skał; jednakże w badaniach nie uwzględniano wpływu uszkodzeń początkowych na zachowanie górotworu i jego przebieg czasowy. W artykule autorzy zaproponowali nowy sposób przeprowadzania próby pełzania, z uwzględnieniem kontrolowanych uszkodzeń początkowych, tak by wpływ obecności uszkodzeń początkowych na przebieg czasowy zmian zachowania piaskowca mógł zostać uwzględniony. W metodzie tej w pierwszej fazie określono zakres początkowych uszkodzeń poprzez odprężenie próbki w celu wyeliminowania rożnego rodzaju naprężeń. Następnie przeprowadzono próbę pełzania w warunkach zmiennych obciążeń przykładanych do próbki o określonym poziomie uszkodzeń początkowych. Wyniki eksperymentu wskazują na istnienie pewnej wartości progowej naprężenia powyżej której obecność uszkodzeń początkowych będzie mieć wpływ na zachowanie próbki skalnej w trakcie próby jednoosiowego pełzania; jest to poziom progowy dla powstawania dylatacji. Gdy naprężenie pełzania ma wartość niższą od wartości progowej, wpływ uszkodzeń początkowych wydaje się nieznaczny. Jednakże, dla naprężeń pełzania powyżej wartości progowej, wpływ uszkodzeń początkowych na przebieg odkształceń jest znaczący, zwłaszcza w odniesieniu do odkształceń poprzecznych i objętościowych. Ponadto, istnie-nie uszkodzeń początkowych ma także wpływ na poziom naprężeń rozrywających przy próbie pełzania i wytrzymałość próbki w ujęciu długoterminowym. Wykazano, że im większe uszkodzenia początkowe, tym niższa wartość naprężenia zrywającego przy próbie pełzania i niższa wytrzymałość długoterminowa. Wyniki eksperymentu dostarczyć mogą cennych danych niezbędnych do skonstruowania modelu uszkodzeń skał wskutek pełzania oraz do analiz stabilności konstrukcji inżynierskich w ujęciu długoterminowym.
    Źródło:
    Archives of Mining Sciences; 2019, 64, 4; 687-707
    0860-7001
    Pojawia się w:
    Archives of Mining Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Preparation of polymeric ferric sulfate–quaternary ammonium cationic modified starch composite flocculant and its application in oily sludge treatment
    Autorzy:
    Yu, Lanlan
    Liu, Peng
    Zheng, Kai
    Powiązania:
    https://bibliotekanauki.pl/articles/2171845.pdf
    Data publikacji:
    2022
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    oily sediment
    flocculant
    petroleum
    ferrum sulfate
    osad oleisty
    flokulant
    ropa naftowa
    siarczan żelazowy
    Opis:
    Inorganic-organic compound flocculant of PFS-quaternary ammonium cation-modified starch composite flocculant was prepared by etherification and compounding method, with corn starch, sodium hydroxide (NaOH), cationic etherifying agent 3-chloro-2-hydroxypropyl trimethyl ammonium chloride (CHPTMA), polymeric ferric sulfate (PFS) as raw materials. The best preparation conditions were the rate of PFS and quaternary ammonium cation-modified starch mass 4:1, pH of the solution 2, temperature 60 ℃, and the reaction time of 4 h. The factors were ranked according to the influence degree as follows: mass ratio > reaction time > pH > temperature. The flocculant prepared under optimal preparation conditions was applied to the treatment of oily sludge in the oil field. When pH of the oily sludge–flocculant mixture was 7 and the dosage at 110 mg/dm3, the deoiling rate of the oily sludge reached 82.25%, which was an effective conditioning flocculant for oily sludge. SEM analysis showed that the mechanisms of flocculant were mainly net catching and adsorption bridging action. Thermo-gravimetry (TG) and energy dispersive spectroscopy (EDS) analyses showed that crude oil and bound water were removed by the composite flocculant.
    Źródło:
    Environment Protection Engineering; 2022, 48, 4; 35--49
    0324-8828
    Pojawia się w:
    Environment Protection Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Żył cały dla Ojczyzny
    Autorzy:
    Glemp, Józef.
    Powiązania:
    Nasz Dziennik 2007, nr 236, s. 3
    Współwytwórcy:
    SJ. Opracowanie
    KAI. Opracowanie
    Data publikacji:
    2007
    Tematy:
    Peszkowski, Zdzisław J. (1918-2007)
    Stowarzyszenie "Rodzina Katyńska" duszpasterstwo
    Obóz jeniecki Kozielsk
    Duchowieństwo katolickie
    Biografia
    Opis:
    Wspomnienia o ks. prałacie Zdzisławie Peszkowskim, kapelanie Rodzin Katyńskich.
    Fot.
    Dostawca treści:
    Bibliografia CBW
    Artykuł
    Tytuł:
    Investigation of Click Reactionat an Oil-Water Interface Using Hydrophobic and Hydrophilic Polymers
    Autorzy:
    Ashaduzzaman, Md.
    Kai, S.
    Kunitake, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/412120.pdf
    Data publikacji:
    2013
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    click reaction
    hollow-capsules
    oil-water interface
    tri-arm polystyrene
    copolymer
    Opis:
    Cu(I)-catalyzed Huisgen click reactions between lipophilic polymer (tri-arm azidofunctionalized polystyrene) and hydrophilic polymer (copolymer of styrene sulfonate sodium and propargyl methacrylate) were investigated and hollow capsules, consisting of composite polymer nanofilms were obtained in chloroform-water biphasic solution. Since the lipophilic polymer, or hydrophilic polymer and copper catalyst were present in the oil or aqueous phase, respectively, the cross-linking reaction proceeded only at the phase interface. The combination of lipophilic and hydrophilic polymers produced hollow capsules consisting of nanofilms with lipophilic core and hydrophilic shell.
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2013, 6; 31-39
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    BERBERINE INDUCES AUTOPHAGY, APOPTOSIS AND MODULATES MIR-155 IN HEAD AND NECK SQUAMOUS CARCINOMA CELLS.
    Autorzy:
    Xue, Kai
    Zhang, Binbin
    He, Jingchuan
    Powiązania:
    https://bibliotekanauki.pl/articles/895286.pdf
    Data publikacji:
    2020-06-29
    Wydawca:
    Polskie Towarzystwo Farmaceutyczne
    Tematy:
    apoptosis
    miR-155
    Autophagy
    berberine
    Head and Neck cancer cells
    Opis:
    Berberine (BBR) an active natural plant alkaloid extracted from Coptidis rhizoma, displays potent anticancer activity over a variety of cancer cell lines. The cytotoxic activity of BBR in cancer cells is attributed to persuade, programmed cell death characterized by the release of cytochrome c, accompanied by activation of caspase-3 and caspase-9. In the present study, we evaluated BBR significantly reduces the cell viability and clonogenic property of head and neck squamous carcinoma (HNSC) cells. Our results revealed that BBR simultaneously induces apoptosis and autophagy in HNSC cells. Mechanistically, BBR induces autophagy in HNSC cells which were confirmed by acridine orange (AO) staining by visualization of prominent orange red color acidic autophagosomes in the cytoplasm. However, immunoblotting shows the steady conversion of MAP-LC-3I to LC-3II with concomitant degradation of autophagy substrate protein SQSTM1/p62. Annexin V FITC staining analysis by flow cytometry revealed a significant induction of apoptosis at higher doses of BBR. Furthermore, the immunoblotting analysis revealed a prominent cleavage of proapoptotic proteins procaspase-3 and PARP1 at higher doses of BBR. Additionally, we found significant upregulation and downregulation of tumor suppressor microRNA-155 (miR-155) and oncogenic miR-21 respectively, when HNSC cells were exposed to higher doses of BBR. In conclusion, these results demonstrate that BBR exhibits a significant anti-proliferative effect with the simultaneous induction of autophagy and apoptosis and modulates miRNA expression in HNSC cells.
    Źródło:
    Acta Poloniae Pharmaceutica - Drug Research; 2020, 77, 3; 485-494
    0001-6837
    2353-5288
    Pojawia się w:
    Acta Poloniae Pharmaceutica - Drug Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Pruska arkadia w niemieckiej TV : sukces telewizyjnej "Ucieczki" pokazuje, że za Odrą nie chcą uciekać od przeszłości
    Autorzy:
    Wieliński, Bartosz T.
    Powiązania:
    Gazeta Wyborcza 2007, nr 56, s. 13
    Współwytwórcy:
    Wessel, Kai. Reżyseria
    Data publikacji:
    2007
    Tematy:
    Ucieczka (film)
    Die Flucht (film)
    Wysiedlanie Niemcy 1945 r. w filmie
    Film fabularny niemiecki tematyka od 2001 r.
    Opis:
    Na marginesie filmu "Ucieczka" w reż. Kai Wessel (losy Niemców uciekających zimą 1945 r. z Prus Wschodnich przed Armią Czerwoną).
    Fot.
    Dostawca treści:
    Bibliografia CBW
    Artykuł
    Tytuł:
    Process machining allowance for reliability analysis of mechanical parts based on hidden quality loss
    Autorzy:
    Wang, Jingang
    Liu, Xintian
    Xu, Wang
    Kai, Jin
    Powiązania:
    https://bibliotekanauki.pl/articles/28086953.pdf
    Data publikacji:
    2023
    Wydawca:
    Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN
    Tematy:
    reliability analysis
    Process machining allowance
    hidden quality loss
    process capability index
    Opis:
    The machining allowance variation is significant for the reliability of a part during the machining process. Usually, when the machining allowance of a part increases, the machining and production cost also increase. When the machining allowance decreases, the machining surface will have defects. The parts will produce manyscraps andreliability will decrease. The machining allowance of a part consists of multiple process machining allowances. To analyze the impact caused by machining allowance variation, the hidden quality loss and process machining allowance are combined through theprocess capability index (PCI). Then the asymmetric quadratic quality loss function (AQF) and quadratic exponential function (QEF) are used to analyze them. A prediction model of hidden quality loss of process machining allowance is proposed. On the premise that the quality characteristic value obeys normal function distribution, a numerical model is given and used to obtain process machining allowance-inherent reliability of the product. The actual case is used to compare and verify the two models.
    Źródło:
    Eksploatacja i Niezawodność; 2023, 25, 4; art. no. 171594
    1507-2711
    Pojawia się w:
    Eksploatacja i Niezawodność
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Forced motion CFD simulation and load refinement evaluation of floating vertical-axis tidal current turbines
    Autorzy:
    Zhang, Wanchao
    Zhou, Yujie
    Wang, Kai
    Zhou, Xiaoguo
    Powiązania:
    https://bibliotekanauki.pl/articles/1573876.pdf
    Data publikacji:
    2020
    Wydawca:
    Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
    Tematy:
    vertical-axis tidal current turbine
    hydrodynamic loads
    pitching motion
    added mass
    damping coefficients
    Opis:
    Simulation of the hydrodynamic performance of a floating current turbine in a combined wave and flow environment is important. In this paper, ANSYS-CFX software is used to analyse the hydrodynamic performance of a vertical-axis turbine with various influence factors such as tip speed ratio, pitching frequency and amplitude. Time-varying curves for thrust and lateral forces are fitted with the least squares method; the added mass and damping coefficients are refined to analyse the influence of the former factors. The simulation results demonstrate that, compared with nonpitching and rotating turbines under constant inflow, the time-varying load of rotating turbines with pitching exhibits an additional fluctuation. The pitching motion of the turbine has a positive effect on the power output. The fluctuation amplitudes of thrust and lateral force envelope curves have a positive correlation with the frequency and amplitude of the pitching motion and tip speed ratio, which is harmful to the turbine’s structural strength. The mean values of the forces are slightly affected by pitching frequencies and amplitudes, but positively proportional to the tip speed ratio of the turbine. Based upon the least squares method, the thrust and lateral force coefficients can be divided into three components, uniform load coefficient, added mass and damping coefficients, the middle one being significantly smaller than the other two. Damping force plays a more important role in the fluctuation of loads induced by pitching motion. These results can facilitate study of the motion response of floating vertical-axis tidal current turbine systems in waves.
    Źródło:
    Polish Maritime Research; 2020, 3; 40-49
    1233-2585
    Pojawia się w:
    Polish Maritime Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Surface Green’s function of a soft elastomer with the gravity effect
    Autorzy:
    Liang, Xiaodong
    Liu, Junxiu
    Xu, Peibao
    Li, Kai
    Powiązania:
    https://bibliotekanauki.pl/articles/280502.pdf
    Data publikacji:
    2020
    Wydawca:
    Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
    Tematy:
    surface Green’s function
    gravity
    distributed pressure
    soft materials
    neo-Hookean model
    Opis:
    Gravity can play a tremendous effect on deformation of rubberlike materials and biological soft tissues. In this paper, considering the gravity effect, we proposed a surface Green’s function of a soft elastomer based on the neo-Hookean model. The proposed surface Green’s function is applied to analyze the elastic deformation of a soft elastomer subjected to uniform pressure. The surface normal displacement of the soft elastomer is calculated and the results show that gravity has a large impact on the surface deformation of the elastomer. Generally, the surface normal displacement decreases with the increasing gravitational force.
    Źródło:
    Journal of Theoretical and Applied Mechanics; 2020, 58, 1; 35-44
    1429-2955
    Pojawia się w:
    Journal of Theoretical and Applied Mechanics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Autothermal Reforming of Diesel Oil for PdCeCrFeCu/Al2O3-Catalyzed Hydrogen Production
    Autorzy:
    Lin, Lin
    Zhang, Kai
    Sun, Chiyu
    Zhang, Ying
    Powiązania:
    https://bibliotekanauki.pl/articles/1849267.pdf
    Data publikacji:
    2021
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    diesel
    reform
    hydrogen
    catalyst
    Opis:
    To make clear the feasibility and influence factors of diesel fuel autothermal reforming to hydrogen, PdCeCr-FeCu/Al2O3 catalyst was prepared by equivalent-volume impregnation method. Experimental facility based on an adiabatic tubular reactor with preheating section was designed and set up, the behaviors of diesel reforming to hydrogen with straight-run diesel as a raw material according to the analysis of the components were studied. Diesel oil reforming over a catalyst for hydrogen production was analyzed using an adiabatic tubular reactor with a preheating section that was designed and built in-house. The operating conditions were optimized. Under the suitable operating conditions, viz., catalyst bed inlet temperature of 700°C, diesel liquid space velocity of 0.24 h–1, water-carbon ratio of 20, and oxygen-carbon ratio of 0.6, the hydrogen yield reached 28.3 (mol/mol).
    Źródło:
    Polish Journal of Chemical Technology; 2021, 23, 2; 12-19
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Bidirectional DC–AC Converter-Based Communication Solution for Microgrid
    Autorzy:
    Zhang, Yixuan
    Ni, Kai
    Wang, Yangang
    Hu, Yihua
    Powiązania:
    https://bibliotekanauki.pl/articles/1193849.pdf
    Data publikacji:
    2020
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    bidirectional DC-AC converter
    frequency shift keying
    MATLAB simulation
    microgrid
    two-way communication
    Opis:
    The communication system of a microgrid can transfer the information of electricity price, power consumption and so on between users and the control centre. This capability is of great significance to improve the efficiency and sustainability of power facilities. In this paper, a bidirectional DC–AC converter topology is proposed to achieve the composite transmission of power and signals in microgrids. Since the transmitted signals are modulated by power switches of converters and integrated into the currents, the cost of signal couplers can be saved and the circuit structure can be simplified. In order to verify the feasibility of the proposed method, a simulation model of the proposed converter is implemented in MATLAB/Simulink. With the power supply frequency of 50 Hz, when the converter operates in the inverter mode and rectifier mode, the data transmission rate can reach 120 bit/s and 48 bit/s, respectively.
    Źródło:
    Power Electronics and Drives; 2020, 5, 40; 177-188
    2451-0262
    2543-4292
    Pojawia się w:
    Power Electronics and Drives
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Usage, Retention, and Abandonment of Agile Practices: A Survey and Interviews Results
    Autorzy:
    Nurdiani, Indira
    Börstler, Jürgen
    Fricker, Samuel
    Petersen, Kai
    Powiązania:
    https://bibliotekanauki.pl/articles/384126.pdf
    Data publikacji:
    2019
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    Agile practices
    Agile maturity models
    survey
    Opis:
    Background: A number of Agile maturity models (AMMs) have been proposed to guide software organizations in their adoption of Agile practices. Typically the AMMs suggest that higher maturity levels are reached by gradually adding more practices. However, recent research indicates that certain Agile practices, like test-driven development and continuous integration, are being abandoned. Little is known on the rationales for abandoning Agile practices. Aim: We aim to identify which Agile practices are abandoned in industry, as well as the reasons for abandoning them. Method: We conducted a web survey with 51 respondents and interviews with 11 industry practitioners with experience in Agile adoption to investigate why Agile practices are abandoned. Results: Of the 17 Agile practices that were included in the survey, all have been abandoned at some point. Nevertheless, respondents who retained all practices as well as those who abandoned one or more practices, perceived their overall adoption of Agile practices as successful. Conclusion: Going against the suggestions of the AMMs, i.e. abandoning Agile one or more practices, could still lead to successful outcomes. This finding indicates that introducing Agile practices gradually in a certain order, as the AMMs suggest, may not always be suitable in different contexts.
    Źródło:
    e-Informatica Software Engineering Journal; 2019, 13, 1; 7-35
    1897-7979
    Pojawia się w:
    e-Informatica Software Engineering Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Associations of nutrition and body composition with cardiovascular disease risk factors in soldiers during a 6-month deployment
    Autorzy:
    Nykänen, Tarja
    Pihlainen, Kai
    Kyröläinen, Heikki
    Fogelholm, Mikael
    Powiązania:
    https://bibliotekanauki.pl/articles/2116568.pdf
    Data publikacji:
    2020-06-16
    Wydawca:
    Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
    Tematy:
    blood pressure
    cholesterol
    soldier
    body fat
    fiber intake
    crisis management
    Opis:
    ObjectivesThis observational follow-up study investigated the associations of nutrition and body composition with cardiovascular disease (CVD) risk factors, including pro-inflammatory biomarkers, in soldiers during a 6-month deployment.Material and MethodsThirty-five male soldiers were assessed at months 0, 3 and 6, and their parameters, i.e., M±SD, were as follows: age 30.0±8.7 years, height 179±6 cm, and BMI 24.2±2.5 kg/m2. Three-day food diaries were used for monitoring macronutrient intake. Body composition was estimated using bioimpedance. Fasting blood samples for lipids and pro-inflammatory biomarkers were collected, and blood pressure measurements were performed.ResultsCarbohydrate intake increased and protein intake decreased at month 3 (p = 0.034, p < 0.001), while body composition remained stable. Systolic blood pressure increased at month 6, while other CVD risk factors remained within the reference values. Fat mass and body fat percentage were associated positively with total and low density lipoprotein (LDL) cholesterol concentrations at all measurement points. A negative association was found between the change in fiber intake vs. the change in total (r = –0.36, p = 0.033) and LDL cholesterol (r = –0.39, p = 0.019).ConclusionsLower fiber intake and a greater amount of body fat were associated with high total and LDL cholesterol concentrations. Nevertheless, the measured CVD risk factors remained within the reference values, except for the higher systolic blood pressure. A regular screening of body composition and a higher consumption of fiberrich foods may promote cardiometabolic health in soldiers.
    Źródło:
    International Journal of Occupational Medicine and Environmental Health; 2020, 33, 4; 457-466
    1232-1087
    1896-494X
    Pojawia się w:
    International Journal of Occupational Medicine and Environmental Health
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Autothermal Reforming of Diesel Oil for PdCeCrFeCu/Al2O3-Catalyzed Hydrogen Production
    Autorzy:
    Lin, Lin
    Zhang, Kai
    Sun, Chiyu
    Zhang, Ying
    Powiązania:
    https://bibliotekanauki.pl/articles/1849270.pdf
    Data publikacji:
    2021
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    diesel
    reform
    hydrogen
    catalyst
    Opis:
    To make clear the feasibility and influence factors of diesel fuel autothermal reforming to hydrogen, PdCeCr-FeCu/Al2O3 catalyst was prepared by equivalent-volume impregnation method. Experimental facility based on an adiabatic tubular reactor with preheating section was designed and set up, the behaviors of diesel reforming to hydrogen with straight-run diesel as a raw material according to the analysis of the components were studied. Diesel oil reforming over a catalyst for hydrogen production was analyzed using an adiabatic tubular reactor with a preheating section that was designed and built in-house. The operating conditions were optimized. Under the suitable operating conditions, viz., catalyst bed inlet temperature of 700°C, diesel liquid space velocity of 0.24 h–1, water-carbon ratio of 20, and oxygen-carbon ratio of 0.6, the hydrogen yield reached 28.3 (mol/mol).
    Źródło:
    Polish Journal of Chemical Technology; 2021, 23, 2; 12-19
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Autothermal Reforming of Diesel Oil for PdCeCrFeCu/Al2O3-Catalyzed Hydrogen Production
    Autorzy:
    Lin, Lin
    Zhang, Kai
    Sun, Chiyu
    Zhang, Ying
    Powiązania:
    https://bibliotekanauki.pl/articles/1849272.pdf
    Data publikacji:
    2021
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    diesel
    reform
    hydrogen
    catalyst
    Źródło:
    Polish Journal of Chemical Technology; 2021, 23, 2; 12-19
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Niemcy patrzą na ucieczkę : DF przeciw wypędzeniom
    Autorzy:
    Nowak, Włodzimierz (historia).
    Lippold, Friederike.
    Powiązania:
    Duży Format 2007, nr 11, s. 10-11
    Współwytwórcy:
    Wessel, Kai. Reżyseria
    Data publikacji:
    2007
    Tematy:
    Ucieczka (film)
    Die Flucht (film)
    Wysiedlanie Niemcy 1945 r. w filmie
    Film fabularny niemiecki tematyka od 2001 r.
    Opis:
    Na marginesie filmu "Ucieczka" w reż. Kai Wessel (losy Niemców uciekających zimą 1945 r. z Prus Wschodnich przed Armią Czerwoną).
    Fot.
    Dostawca treści:
    Bibliografia CBW
    Artykuł
    Tytuł:
    Effects of Welding Heat Input on Microstructure and Corrosion Characterization in CGHAZ of X80 Pipeline Steel
    Autorzy:
    Wang, Xue-Mei
    Zhao, Wei
    Chen, Kai
    Li, Zhen
    Powiązania:
    https://bibliotekanauki.pl/articles/28099607.pdf
    Data publikacji:
    2023
    Wydawca:
    Polska Akademia Nauk. Czasopisma i Monografie PAN
    Tematy:
    X80 pipeline steel
    coarse grain heat-affected zone
    heat input
    corrosion
    Opis:
    The coarse-grained heat-affected zone specimens of X80 pipeline steel were produced by welding thermal simulation under different heat inputs of 10, 30, and 55 kJ/cm to study the effects of heat input on microstructure evolution and corrosion characterization. The corrosion resistance of coarse-grained heat-affected zones was poorer than that of base metal due to less homogenous in the former. For 10 kJ/cm coarse-grained heat-affected zone, the corrosion resistance was poorer than the others due to the more adsorption hydrogen around the needle-like martensite/austenite constituents and greater galvanic driving force between the needle-like martensite/austenite constituents and ferrite. In carbonate/bicarbonate solution, better corrosion resistance for coarse-grained heat-affected zones was obtained when the heat input is 30 kJ/cm, which can be attributed to the severe coarse martensite/austenite constituents for 55 kJ/cm coarse-grained heat-affected zone. In the H2S environment, the better corrosion resistance for coarse-grained heat-affected zone was obtained when the heat input is 55 kJ/cm, which can be attributed to the protective effect of corrosion products. In addition, the high content of M/A constituents for 30 kJ/cm CGHAZ was good for hydrogen adsorption, which was adverse to the corrosion resistance in acid environments.
    Źródło:
    Archives of Metallurgy and Materials; 2023, 68, 2; 659--671
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Optimization of the Synthesis Parameters and Analysis of the Impact Sensitivity for Tetrazene Explosive
    Autorzy:
    Li, Jin-Shuh
    Chang, Chun-Chieh
    Lu, Kai-Tai
    Powiązania:
    https://bibliotekanauki.pl/articles/358591.pdf
    Data publikacji:
    2020
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
    Tematy:
    tetrazene
    yield
    optimal synthesis parameters
    Taguchi design method
    Opis:
    Tetrazene [1-(5-tetrazolyl)-4-guanyltetrazene hydrate] is widely used in ordnance systems as a sensitizer of primer compositions, for use in both percussion and stab applications. It can be synthesized by reacting aminoguanidinium bicarbonate (AGB) with sodium nitrite (NaNO2) in the presence of acetic acid. However, little is known about its optimal synthesis parameters in the manufacturing process. In this study, Taguchi's experimental design method was used to further improve the yield of tetrazene. Under the condition that the molar ratio of AGB to NaNO2 was fixed at 1.0:1.2, a L9(33) orthogonal array with three control factors and three levels for each control factor was used to design nine experimental conditions. The experimental data were transformed into a signal-to-noise (S/N) ratio to analyze and evaluate the experimental conditions of the optimal parameter combination for the maximum yield of tetrazene. Verification of the results indicated that the optimal synthesis parameters were as follows: pH value of AGB solution was 5.0, reaction temperature was 35 °C and reaction time was 6 h; the maximum yield of tetrazene could reach 83.7%. Furthermore, the synthesized tetrazene was identified and characterized by elemental analysis (EA), nuclear magnetic resonance spectroscopy (NMR), Fourier transform infrared spectroscopy (FTIR), optical microscopy (OM),particle size distribution analysis (PSDA), X-ray diffraction (XRD) and differential scanning calorimetry (DSC), and its impact sensitivity was determined using a BAM Fallhammer apparatus and the Bruceton analysis method.
    Źródło:
    Central European Journal of Energetic Materials; 2020, 17, 1; 5-19
    1733-7178
    Pojawia się w:
    Central European Journal of Energetic Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Development of a flight simulator for conceptual aircraft design and sizing
    Autorzy:
    Hon, Kai San
    Karpuk, Stanislav
    Yang, Daqing
    Elham, Ali
    Powiązania:
    https://bibliotekanauki.pl/articles/36455876.pdf
    Data publikacji:
    2022
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Lotnictwa
    Tematy:
    flight dynamics
    flight simulation
    aircraft design
    Opis:
    This article describes the development of a flight simulator module within the ADEMAO aircraft design framework to investigate the effects of novel airframe and propulsion technologies on new generations of aircraft. Methods used to develop and integrate the fight simulator into the overall design framework are described. The simulator is validated based on existing data from the Convair CV-880M and is then used to analyze an example case of a conceptual medium-range aircraft with advanced airframe technologies designed in the Sustainable and Energy-Efficient Aviation research cluster at the Institute of Aircraft Design and Lightweight Structures at the Technische Universität Braunschweig. Results show the deficiencies of the medium-range aircraft in short-period pitch and Dutch roll performance, and recommendations for modifications to the conceptual medium-range aircraft are drafted.
    Źródło:
    Transactions on Aerospace Research; 2022, 2 (267); 31-61
    0509-6669
    2545-2835
    Pojawia się w:
    Transactions on Aerospace Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A sampling method based on improved firefly algorithm for profile measurement of aviation engine blade
    Autorzy:
    Huang, Zhi
    Zhao, Liao
    Li, Kai
    Wang, Hongyan
    Zhou, Tao
    Powiązania:
    https://bibliotekanauki.pl/articles/221479.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    aviation engine blade
    coordinate measurement machine
    profile measurement
    improved firefly algorithm
    Opis:
    Coordinate Measurement Machines (CMMs) have been extensively used in inspecting mechanical parts with higher accuracy. In order to enhance the efficiency and precision of the measurement of aviation engine blades, a sampling method of profile measurement of aviation engine blade based on the firefly algorithm is researched. Then, by comparing with the equal arc-length sampling algorithm (EAS) and the equi-parametric sampling algorithm (EPS) in one simulation, the proposed sampling algorithm shows its better sampling quality than the other two algorithms. Finally, the effectiveness of the algorithm is verified by an experimental example of blade profile. Both simulated and experimental results show that the method proposed in this paper can ensure the measurement accuracy by measuring a smaller number of points.
    Źródło:
    Metrology and Measurement Systems; 2019, 26, 4; 757-771
    0860-8229
    Pojawia się w:
    Metrology and Measurement Systems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effects of benzo(a)pyrene exposure on the ATPase activity and calcium concentration in the hippocampus of neonatal rats
    Autorzy:
    Yang, Kai
    Chen, Chengzhi
    Cheng, Shuqun
    Cao, Xianqing
    Tu, Baijie
    Powiązania:
    https://bibliotekanauki.pl/articles/2161850.pdf
    Data publikacji:
    2017-03-30
    Wydawca:
    Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
    Tematy:
    hippocampus
    neurodevelopment
    ATPase activity
    Ca2+ concentration
    neonatal rats
    Benzo(a)pyrene
    Opis:
    Objectives To investigate whether postnatal benzo(a)pyrene (B(a)P) exposure caused the impairments on the process of neurodevelopment and the alteration in the calcium medium in the neonatal rats. Material and Methods Eighty neonatal Sprague Dawley (SD) rats were randomly divided into 5 groups (untreated control group, vehicle group, 0.02 mg/kg, 0.2 mg/kg and 2 mg/kg B(a)P-exposed group). Rats were treated with B(a)P by the intragastric administration from postnatal day (PND) 4 to 25. Morris water maze (MWM) was employed to observe the spatial memory of rats. The activity of calcium adenosine triphosphatase (Ca2+-ATPase), sodium-potassium adenosine triphosphatase (Na+-K+-ATPase) and calcium-magnesium adenosine triphosphatase (Ca2+-Mg2+-ATPase) in the hippocampus were detected by commercial kits. Fura-2 pentakis(acetoxymethyl) (Fura-2/AM) probe and reactive oxygen species (ROS) reagent kit were used for measuring the concentration of Ca2+ and ROS in the hippocampus synapse, respectively. Results Rats exposed to B(a)P resulted in the deficits in the spatial memory manifested by the increased escape latency and decreased number of crossing platform and time spent in target quadrant in comparison with the control groups. Benzo(a)pyrene exposure caused the significant decrease in the ATPase activity in the hippocampus and caused Ca2+ overload in the synaptic, besides, the ROS concentration increased significantly which may further induce neurobehavioral impairment of the neonatal rats. Conclusions Our findings suggest that postnatal B(a)P exposure may cause the neurobehavioral impairments in the neonatal rats, which were mediated by the decreased ATPase activity and elevated Ca2+ concentration. Int J Occup Med Environ Health 2017;30(2):203–211
    Źródło:
    International Journal of Occupational Medicine and Environmental Health; 2017, 30, 2; 203-211
    1232-1087
    1896-494X
    Pojawia się w:
    International Journal of Occupational Medicine and Environmental Health
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Multi-source and multi-target iron ore blending method in open pit mine
    Autorzy:
    Yao, Jiang
    Liu, Chunhui
    Huang, Guichen
    Xu, Kai
    Yuan, Qingbo
    Powiązania:
    https://bibliotekanauki.pl/articles/2203345.pdf
    Data publikacji:
    2022
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    ruda żelaza
    kopalnia odkrywkowa
    kopalnia żelaza
    iron ore blending
    multi-source and multi-target
    open pit mine
    Opis:
    Iron ore blending in an open-pit mine is an important means to ensure ore grade balance and resource recycling in iron mine industrial production. With the comprehensive recovery and utilisation of resource mining, the multi-source and multi-target ore blending method has become one of the focuses of the mining industry. Scientific and reasonable ore blending can effectively reduce the transportation cost of the enterprise. It can also ensure that the ore grade, washability index and iron carbonate content meet the requirements of the concentrator and significantly improve the comprehensive utilisation rate and economic benefits of the ore. An ore blending method for open-pit iron ore is proposed in this paper. The blending method is realised by establishing the ore blending model. This model aims to achieve maximum ore output and the shortest transportation distance, ore washability index, total iron grade, ferrous iron grade and iron carbonate content after the ore blending meets the requirements. This method can meet the situation of a single mine to a single concentrator and that of a single mine to multiple concentrators. According to the results of ore blending, we can know the bottleneck of current production. Through targeted optimisation management, we can tap the production potential of an open-pit mine.
    Źródło:
    Archives of Mining Sciences; 2022, 67, 4; 631--644
    0860-7001
    Pojawia się w:
    Archives of Mining Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Energy Analysis of Cavitation Bubbles Under Dual-Frequency Acoustic Excitation
    Autorzy:
    Lv, Liang
    Hu, Kai
    Liu, Fei
    Li, Yawei
    Cui, Bing
    Powiązania:
    https://bibliotekanauki.pl/articles/31339947.pdf
    Data publikacji:
    2022
    Wydawca:
    Polska Akademia Nauk. Czasopisma i Monografie PAN
    Tematy:
    dual-frequency acoustic excitation
    power
    sonoluminescence
    sonochemistry
    Opis:
    Cavitation has been widely used in wastewater degradation, material synthesis and biomedical field under dual-frequency acoustic excitation. The applications of cavitation are closely related to the power (i.e. the rate of internal energy accumulation) during bubble collapse. The Keller–Miksis equation considering liquid viscosity, surface tension and liquid compressibility is used to describe the radial motion of the bubble. The model is built in predicting the power during bubble collapse under dual-frequency acoustic excitation. The influences of parameters (i.e. phase difference, frequency difference, and amplitude ratio) on the power are investigated numerically. With the increase of phase difference, the power can be fluctuated in a wide range at all conditions. Three typical characteristics of the power appear under the effects of frequency difference and amplitude ratio. With the increase of amplitude ratio, if the frequency difference is small, the power has two maximum values; and if the frequency difference is medium, there is a maximum value. Otherwise, the power monotonously decreases. The results can provide theoretical references for the selections of experimental parameters of sonoluminescence and sonochemistry in the dual-frequency acoustic field.
    Źródło:
    Archives of Acoustics; 2022, 47, 4; 513-518
    0137-5075
    Pojawia się w:
    Archives of Acoustics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Image segmentation method of mine pass soil and ore based on the fusion of the confidence edge detection algorithm and mean shift algorithm
    Metoda segmentacji obrazu gleby i rudy w oparciu o połączenie algorytmu wykrywania krawędzi ufności i algorytmu zmiany średniej
    Autorzy:
    Jin, Feng
    Zhan, Kai
    Chen, Shengjie
    Huang, Shuwei
    Zhang, Yuansheng
    Powiązania:
    https://bibliotekanauki.pl/articles/2069766.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Instytut Gospodarki Surowcami Mineralnymi i Energią PAN
    Tematy:
    edge detection
    mean shift algorithm
    image segmentation
    wykrywanie krawędzi
    algorytm zmiany średniej
    segmentacja obrazu
    Opis:
    In the execution of edge detection algorithms and clustering algorithms to segment image containing ore and soil, ore images with very similar textural features cannot be segmented effectively when the two algorithms are used alone. This paper proposes a novel image segmentation method based on the fusion of a confidence edge detection algorithm and a mean shift algorithm, which integrates image color, texture and spatial features. On the basis of the initial segmentation results obtained by the mean shift segmentation algorithm, the edge information of the image is extracted by using the edge detection algorithm based on the confidence degree, and the edge detection results are applied to the initial segmentation region results to optimize and merge the ore or pile belonging to the same region. The experimental results show that this method can successfully overcome the shortcomings of the respective algorithm and has a better segmentation results for the ore, which effectively solves the problem of over segmentation.
    W procesie algorytmu wykrywania krawędzi ufności i algorytmu grupowania do segmentacji obrazu zawierającego rudę i glebę, obraz rudy o bardzo podobnych cechach tekstury nie może być skutecznie segmentowany, gdy oba algorytmy są używane osobno. W pracy zaproponowano nowatorską metodę segmentacji obrazu opartą na połączeniu algorytmu wykrywania krawędzi ufności i algorytmu zmiany średniej, który integruje kolor, teksturę i cechy przestrzenne obrazu. Na podstawie wstępnych wyników segmentacji uzyskanych przez algorytm segmentacji zmiany średniej informacja o krawędziach oryginalnego obrazu jest wyodrębniana za pomocą algorytmu wykrywania krawędzi opartego na stopniu ufności, a otrzymane wyniki są stosowane do początkowych wyników segmentacji obszaru w celu optymalizacji i scalenia rudy lub gleby należących do tego samego obszaru. Wyniki eksperymentalne pokazują, że metoda ta może skutecznie przezwyciężyć wady odpowiedniego algorytmu i daje lepsze wyniki segmentacji dla rudy, co dobrze rozwiązuje problem nadmiernej segmentacji.
    Źródło:
    Gospodarka Surowcami Mineralnymi; 2021, 37, 4; 133--152
    0860-0953
    Pojawia się w:
    Gospodarka Surowcami Mineralnymi
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evaluation of occupational physical load during 6-month international crisis management operation
    Autorzy:
    Pihlainen, Kai
    Santtila, Matti
    Vasankari, Tommi
    Häkkinen, Keijo
    Kyröläinen, Heikki
    Powiązania:
    https://bibliotekanauki.pl/articles/2161784.pdf
    Data publikacji:
    2017-11-03
    Wydawca:
    Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
    Tematy:
    workload
    military personnel
    physical exertion
    occupational health
    military medicine
    accelerometry
    Opis:
    Objectives Generally, operational military duties are associated with a variety of stressors, such as prolonged physical activity (PA). However, limited information is available on the occupational workload or changes in PA during international military operations. Thus, the aim of the study was to investigate the changes in body composition, stress biomarkers, PA, and heart rate (HR) responses of 79 male soldiers during a 6-month international crisis management operation. Material and Methods Measurements were conducted 3 times in South-Lebanon during the operation. Body composition was assessed by the bioelectrical impedance method. Blood samples were analyzed for serum testosterone, sex-hormone binding globulin (SHBG), cortisol and insulin-like growth factor. Saliva sampling was used for analyzing stress biomarkers, cortisol and α-amylase. Heart rate and physical activity were monitored by a recordable belt and tri-axial accelerometer, respectively. Results Increases in muscle mass (39.2±4.1 vs. 39.5±4.2 kg, p < 0.05) and testosterone (15.9±4.6 vs. 17.2±4 nmol/l, p < 0.01), and reductions in PA variables (e.g., daily step count 9472±2547 vs. 8321±2720, p < 0.05) were observed during the first half (i.e., PRE-MID) of the study. The increase in muscle mass remained significant during the latter half (PRE-POST, 39.2±4.1 vs. 39.6±4.4 kg, p < 0.05), but also fat mass increased (MID-POST, 10.6±4.6 vs. 11.0±4.7 kg, p < 0.05) while SHBG (MID-POST, 31.8±12.1 vs. 26.6±13.2 nmol/l, p < 0.01) and cortisol (MID-POST, 445±116 vs. 400±123 nmol/l, p < 0.05) decreased. With the exception of increased concentration of salivary α-amylase (PRE-POST, 36.5±33.7 vs. 55.1±39.7 U/ml), the acute stress biomarkers and HR responses remained unchanged. Furthermore, the low quantity of PA, low HR values and subjective ratings of exertion refer to rather light physical workload. Conclusions Due to the operatively calm nature of the working environment, the present soldiers did not express any significant signs of physical overload during the study period. Int J Occup Med Environ Health 2018;31(2):185–197
    Źródło:
    International Journal of Occupational Medicine and Environmental Health; 2018, 31, 2; 185-197
    1232-1087
    1896-494X
    Pojawia się w:
    International Journal of Occupational Medicine and Environmental Health
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Chiny 5.0 : jak powstaje cyfrowa dyktatura
    Jak powstaje cyfrowa dyktatura
    Neuerfindung der Diktatur : wie China den digitalen Überwachungstaat aufbaut und uns damit herausfordert, 2018
    Autorzy:
    Strittmatter, Kai (1965- ).
    Współwytwórcy:
    Gadzała, Agnieszka. Tłumaczenie
    Grupa Wydawnicza Foksal. Wydawca
    Data publikacji:
    2020
    Wydawca:
    Warszawa : Wydawnictwo WAB
    Tematy:
    Komunistyczna Partia Chin
    Cenzura
    Big data
    Dyktatura (ustrój)
    Ideologia
    Internet
    Polityka wewnętrzna
    Społeczeństwo
    Sztuczna inteligencja
    Reportaż
    Opis:
    Tytuł oryginału: Die Neuerfindung der Diktatur : wie China den digitalen Überwachungstaat aufbaut und uns damit herausfordert.
    Dostawca treści:
    Bibliografia CBW
    Książka
    Tytuł:
    Surface interaction energy simulation of ceramic materials with epoxy resin
    Symulacja energii oddziaływań powierzchni materiałów ceramicznych z żywicą epoksydową
    Autorzy:
    Fei-Zhou, L.
    Zheng-Lin, L.
    Zhi-Huai, Y.
    Kai, Q.
    Powiązania:
    https://bibliotekanauki.pl/articles/947496.pdf
    Data publikacji:
    2015
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Chemii Przemysłowej
    Tematy:
    epoxy resin
    simulation
    interaction energy
    ceramic material
    żywica epoksydowa
    symulacja
    energia oddziaływań
    materiał ceramiczny
    Opis:
    A new method to calculate the surface interaction energy of ceramic particles and epoxy resin network was investigated using the Material Studio software solution. Detailed simulations were performed with molecular dynamics (MD) method, using Amorphous Cell module, creating relatively simple surface models of polymer (epoxy resin) and ceramics (Al2O3, SiO2 and SiC). The surface models obtained were used to calculate properties and the surface interaction energy of the materials studied. The computed results are in good agreement with the experimental data, confirming the ability to employ the described simulation method in theoretical evaluation of interaction between various filler or reinforcing materials and the polymer matrix.
    Testowano nową metodę obliczania energii oddziaływań powierzchni cząstek ceramicznych z żywicą epoksydową. Obliczenia wykonywano korzystając z oprogramowania Material Studio. Szczegółowe symulacje prowadzono metodą dynamiki molekularnej (MD) za pomocą modułu Amorphous Cell, tworząc modele powierzchni polimeru (żywicy epoksydowej) imateriału ceramicznego (Al2O3, SiO2 lub SiC). Otrzymane modele posłużyły do obliczeń właściwości oraz energii oddziaływań powierzchni badanych materiałów. Uzyskano dobrą zgodność wyników symulacji zdanymi doświadczalnymi, co potwierdziło możliwość zastosowania opisanej metody symulacji do teoretycznej oceny oddziaływania różnych napełniaczy ceramicznych z matrycą polimerową.
    Źródło:
    Polimery; 2015, 60, 7-8; 468-471
    0032-2725
    Pojawia się w:
    Polimery
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Informationen und Berichte
    Autorzy:
    Kohl, Yvonne
    Patri, Kai Hendrik
    Popien, Astrid
    Kęsicka, Karolina
    Sommerfeld, Beate
    Powiązania:
    https://bibliotekanauki.pl/articles/1032827.pdf
    Data publikacji:
    2009-12-30
    Wydawca:
    Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
    Opis:
    „‚Keine Kultur kann auf Dauer von eigener Substanz leben.‘ Günter Grass als Botschafter der Multikulturalität“. Łόdź, 23.-26.10.2008 „Identitätskonstruktionen in fiktionalen und nicht-fiktionalen Texten. Übersetzung und Rezeption“. Translationskolloquium in Poznań, 3.-5.11.2008  
    Źródło:
    Convivium. Germanistisches Jahrbuch Polen; 2009; 369-375
    2196-8403
    Pojawia się w:
    Convivium. Germanistisches Jahrbuch Polen
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    MADS-box genes are involved in floral development and evolution.
    Autorzy:
    Saedler, Heinz
    Becker, Annette
    Winter, Kai-Uwe
    Kirchner, Charlotte
    Theißen, Günter
    Powiązania:
    https://bibliotekanauki.pl/articles/1044122.pdf
    Data publikacji:
    2001
    Wydawca:
    Polskie Towarzystwo Biochemiczne
    Tematy:
    transcription factor
    B- and Bs-functions
    floral bauplan
    phylogeny
    Opis:
    MADS-box genes encode transcription factors in all eukaryotic organisms thus far studied. Plant MADS-box proteins contain a DNA-binding (M), an intervening (I), a Keratin-like (K) and a C-terminal C-domain, thus plant MADS-box proteins are of the MIKC type. In higher plants most of the well-characterized genes are involved in floral development. They control the transition from vegetative to generative growth and determine inflorescence meristem identity. They specify floral organ identity as outlined in the ABC model of floral development. Moreover, in Antirrhinum majus the MADS-box gene products DEF/GLO and PLE control cell proliferation in the developing flower bud. In this species the DEF/GLO and the SQUA proteins form a ternary complex which determines the overall "Bauplan" of the flower. Phylogenetic reconstructions of MADS-box sequences obtained from ferns, gymnosperms and higher eudicots reveal that, although ferns possess already MIKC type genes, these are not orthologous to the well characterized MADS-box genes from gymnosperms or angiosperms. Putative orthologs of floral homeotic B- and C-function genes have been identified in different gymnosperms suggesting that these genes evolved some 300-400 million years ago. Both gymnosperms and angiosperms also contain a hitherto unknown sister clade of the B-genes, which we termed Bsister. A novel hypothesis will be described suggesting that B and Bsister might be involved in sex determination of male and female reproductive organs, respectively.
    Źródło:
    Acta Biochimica Polonica; 2001, 48, 2; 351-358
    0001-527X
    Pojawia się w:
    Acta Biochimica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Value-based Software Engineering: A Systematic Mapping Study
    Autorzy:
    Salleh, Norsaremah
    Mendes, Emilia
    Mendes, Fabiana
    Lekamlage, Charitha Dissanayake
    Petersen, Kai
    Powiązania:
    https://bibliotekanauki.pl/articles/9738795.pdf
    Data publikacji:
    2023
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    systematic mapping
    value-based software engineering
    VBSE
    Opis:
    Background: Integrating value-oriented perspectives into the principles and practices of software engineering is fundamental to ensure that software development activities address key stakeholders’ views and also balance short-and long-term goals. This is put forward in the discipline of value-based software engineering (VBSE) Aim: This study aims to provide an overview of VBSE with respect to the research efforts that have been put into VBSE. Method: We conducted a systematic mapping study to classify evidence on value definitions, studies’ quality, VBSE principles and practices, research topics, methods, types, contribution facets, and publication venues. Results: From 143 studies we found that the term “value” has not been clearly defined in many studies. VB Requirements Engineering and VB Planning and Control were the two principles mostly investigated, whereas VB Risk Management and VB People Management were the least researched. Most studies showed very good reporting and relevance quality, acceptable credibility, but poor in rigour. Main research topic was Software Requirements and case study research was the method used the most. The majority of studies contribute towards methods and processes, while very few studies have proposed metrics and tools.Conclusion: We highlighted the research gaps and implications for research and practice to support VBSE.
    Źródło:
    e-Informatica Software Engineering Journal; 2023, 17, 1; 230106
    1897-7979
    Pojawia się w:
    e-Informatica Software Engineering Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Attapulgite suspension filter material for biological aerated filter to remove CODMn and ammonia nitrogen in micropolluted drinking water source
    Autorzy:
    Xu, Kai
    Wang, Jiahao
    Li, Jiacheng
    Wang, Zijie
    Lin, Zizeng
    Wang, Zheng
    Powiązania:
    https://bibliotekanauki.pl/articles/2032905.pdf
    Data publikacji:
    2020
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    drinking water
    biofiltration
    BAF
    biological aerated filter
    COVID-19
    removal of ammonia
    human stool
    woda pitna
    biofiltracja
    biologiczny filtr napowietrzny
    usuwanie amoniaku
    kał ludzki
    Opis:
    An attapulgite suspended (AS) filter material was successfully prepared and used in combination with biological aerated filter (BAF) to pretreat excess organic matter and ammonia nitrogen in micropolluted water. The AS filter material was of low density and floated on the water surface, which is beneficial to optimize the hydraulic conditions. Through scanning electron microscopy (SEM) and Fourier transform infrared spectroscopy (FTIR) It was found that the surface of the filter material was uneven, the pores were deep. When the hydraulic load is 4 m/h and the gas to water volume ratio is 2:1, the removal rates of permanganate index (CODMn) and ammonia nitrogen by ASBAF are up to 57.49 and 88.11%, respectively, and the effluent quality meets relevant standards. After backwashing, the pollutants removal rate will return to stable filtration after two hours. A short-term shutdown of the reactor has little effect on the processing performance of ASBAF, but a long-term shutdown will greatly affect the removal rate of CODMn. The complete organic matter degradation model can well fit the experimental effluent water quality.
    Źródło:
    Environment Protection Engineering; 2020, 46, 4; 21-40
    0324-8828
    Pojawia się w:
    Environment Protection Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Rezensionen
    Autorzy:
    Tomasi-Kapral, Elżbieta
    Kita-Huber, Jadwiga
    Klentak-Zabłocka, Małgorzata
    Patri, Kai Hendrik
    Powiązania:
    https://bibliotekanauki.pl/articles/1032483.pdf
    Data publikacji:
    2015-12-30
    Wydawca:
    Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
    Opis:
    MEUSER, MIRJAM / LUDWIG, JANINE (eds.) (2014): Literatur ohne Land? Schreibstrategien einer DDR-Literatur im vereinten Deutschland. Band II. Bonn: Eschborn. 463 S. KŁAŃSKA, MARIA (2015): Między pamięcią a wyobraźnią. Uniwersum poezji Rose Ausländer [Zwischen Erinnerung und Einbildungskraft. Das dichterische Universum Rose Ausländers]. Wrocław: Oficyna Wydawnicza ATUT. 419 S. BORZYSZKOWSKA, MIŁOSŁAWA / SZYMAŃSKA, ELIZA / TELAAK, ANASTASIA(EDS.) (2014): Bild, Reflexion, Dialog. Interkulturelle Perspektiven in der Literatur und im Theater. Gdańsk (= Studia Germanica Gedanensia 30). 289 S. SZUBER, JANUSZ (2015): Esej o niewinności / Essay über die Unschuld. Auswahl und Übersetzung Anna Hanus, Ruth Büttner. Mit einer Einleitung von Adam Zagajewski. Dresden und Wrocław: Neisse Verlag / Oficyna Wydawnicza ATUT. 125 S.
    Źródło:
    Convivium. Germanistisches Jahrbuch Polen; 2015; 315-329
    2196-8403
    Pojawia się w:
    Convivium. Germanistisches Jahrbuch Polen
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of middle ear disorder in round-window stimulation using a finite element human ear model
    Autorzy:
    Zhou, Kai
    Liu, Houguang
    Yang, Jianhua
    Zhao, Yu
    Rao, Zhushi
    Yang, Shanguo
    Powiązania:
    https://bibliotekanauki.pl/articles/307472.pdf
    Data publikacji:
    2019
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    implant
    symulacja
    FEM
    middle ear implant
    round-window stimulation otosclerosis
    otitis media
    hearing loss
    finite-element analysis
    Opis:
    The aim of this work was to study the effect of middle ear disorder on round window (RW) stimulation, so as to provide references for the optimal design of RW stimulation type middle ear implants (MEIs). Methods: A human ear finite-element model was built by reverse engineering technique based on micro-computed tomography scanning images of human temporal bone, and was validated by three sets of comparisons with experimental data. Then, based on this model, typical disorders in otosclerosis and otitis media were simulated. Finally, their influences on the RW stimulation were analyzed by comparison of the displacements of the basilar membrane. Results: For the otosclerosis, the stapedial abnormal bone growth severely deteriorated the equivalent sound pressure of the RW stimulation at higher frequencies, while the hardening of ligaments and tendons prominently decreased the RW stimulation at lower frequencies. Besides, among the hardening of the studied tissues, the influence of the stapedial annular ligament’s hardening was much more significant. For the otitis media, the round window membrane (RWM)’s thickening mainly decreased the RW stimulation’s performance at lower frequencies. When the elastic modulus’ reduction of the RWM was considered at the same time especially for the acute otitis media, it would raise the lower-frequency performance of the RW stimulation. Conclusions: The influence of the middle ear disorder on the RW stimulation is considerable and variable, it should be considered during the design of the RW stimulation type MEIs.
    Źródło:
    Acta of Bioengineering and Biomechanics; 2019, 21, 1; 3-12
    1509-409X
    2450-6303
    Pojawia się w:
    Acta of Bioengineering and Biomechanics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Preparation of MCM-41 Supported Benzene Sulphonic Acid, a Catalyst for the Synthesis of CL-20 from TAIW
    Autorzy:
    Chen, Shixiong
    Yang, Chaofei
    Qian, Hua
    Liu, Dabin
    Kai, Wang
    Li, Rui
    Powiązania:
    https://bibliotekanauki.pl/articles/358326.pdf
    Data publikacji:
    2019
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
    Tematy:
    CL-20
    catalytic
    MCM-41
    benzene sulphonic acid
    TAIW
    Opis:
    Pure MCM-41 anchored benzene sulphonic acid (BSA/MCM-41), an efficient heterogeneous catalyst, was prepared for the synthesis of CL-20 from TAIW. The prepared catalysts were fully characterized by FTIR, XRD, TEM, TG, N2 adsorption techniques, elemental analysis and acidity tests. It was observed that the catalyst (BSA/MCM-41) retained the mesoporous structure like MCM-41, exhibited excellent thermal stability and high activity. Compared with a blank, the high catalytic activity promoted shorter reaction times by a factor of 3/5. In addition, this catalyst could be reused at least five times without significant loss of its catalytic potential. Moreover, the BSA/MCM-41 catalyst exhibited an optimal catalytic performance, with a high to excellent yield of CL-20 (92.5%) with a purity of 98.3%, under the optimum synthesis conditions.
    Źródło:
    Central European Journal of Energetic Materials; 2019, 16, 3; 343-359
    1733-7178
    Pojawia się w:
    Central European Journal of Energetic Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Nitrogen-doped Carbon Catalyst by Ultrasonic for Electrocatalytic CO2 Reduction
    Autorzy:
    Liu, Jianfeng
    Wang, Ting
    Zhang, Zhenhai
    Ning, Kai
    Yin, Shibin
    Yuan, Binxia
    Powiązania:
    https://bibliotekanauki.pl/articles/780079.pdf
    Data publikacji:
    2020
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    Nitrogen-doped
    Catalyst
    Ultrasonic
    CO2 Reduction
    Opis:
    The electrocatalytic reduction of carbon dioxide into valued chemicals such as formic acid has the most promising potential in applying renewable energy for useful materials and mitigating the greenhouse effect. However, the studies still focus on developing catalysts with low price and high catalytic properties. In this study, nitrogen atoms were decorated into carbon structure by a unique ultrasonic method, then the nitrogen-doped carbon material was applied as catalyst in CO2 reduction, it exhibited excellent electrochemical activity, 4 times higher than the normal method. The improved activity should be attributed to the interaction between nitrogen and carbon atoms through analysis.
    Źródło:
    Polish Journal of Chemical Technology; 2020, 22, 3; 24-28
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Adaptive partition-based logic simulation using GPGPU
    Autorzy:
    Zhang, M.
    Zhang, Y
    Yang, W.
    Kai, Y.
    Wei, T.
    Fan, X.
    Powiązania:
    https://bibliotekanauki.pl/articles/398148.pdf
    Data publikacji:
    2011
    Wydawca:
    Politechnika Łódzka. Wydział Mikroelektroniki i Informatyki
    Tematy:
    symulacja logiczna
    obliczenia strumieniowe
    GPGPU
    obliczenia ogólnego przeznaczenia na układach GPU
    CUDA
    EDA
    Automatyzacja procesu projektowania systemów elektronicznych
    logic simulation
    stream computing
    Opis:
    With the improvement of the gate complexity, the verification overhead becomes more decisive for VLSI design cost In order to reduce the simulation time, a adaptive partition based parallel method of VLSI logic simulation with GPGPU is addressed in this paper. The numerous arithmetic blocks of GPGPU is utilized simultaneously for disparate circuit macros. The partition strategy we proposed shows a sufficient flexibility to balance the different work load in parallel threads and fit the feature of GPU architecture. To explore the parallelism and locality of logic simulation further, the circuit macro is organized as stream data. The data dependency between the input and output nets in one individual logical path is handled with the shared memory of GPGPU. As for different logical paths, the dependency is processed by threads synchronization. To illustrate the performance, a serial experiments is implemented in Intel CoreDuo workstation with Nvidia GTX465 GPU board. Four typical digital circuits (LDPC, DES3, OpenRISC 1200 and OpenSPARCPARC T1) are considered as the benchmark. The result of experiments demonstrate a significant speed-up is achieved by using GPGPU parallel method, comparing with the CPU serial logic simulation. In maximal case (OpenS T1), the GPGPU parallel acceleration computes 21 times faster than serial program.
    Źródło:
    International Journal of Microelectronics and Computer Science; 2011, 2, 4; 121-128
    2080-8755
    2353-9607
    Pojawia się w:
    International Journal of Microelectronics and Computer Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Exploring green packaging acceptance in fast moving consumer goods in emerging economy: the case of Malaysia
    Autorzy:
    Wahab, Siti Norida
    Osman, Lokhman Hakim
    Koay, Seh Boon
    Long, Kai Ting
    Powiązania:
    https://bibliotekanauki.pl/articles/2021484.pdf
    Data publikacji:
    2021
    Wydawca:
    Wyższa Szkoła Logistyki
    Tematy:
    green packaging
    sustainability
    acceptance
    environmental
    consumption value
    zielone opakowania
    zrównoważony rozwój
    akceptacja
    środowisko
    wartość konsumpcyjna
    Opis:
    Background: Green packaging plays an important role to reduce environmental wastes and protect the environments which aligned with the Sustainable Development Goals (SDG). However, the lack of environmental awareness, inconvenience of support, cost, and lack of government enforcement is the most frequently cited reasons for discouraging green packaging usage. This study aims to establish a model to understand the motivational drivers of green packaging acceptance from the lens of the Theory of Consumption Value. Methods: Data from self-administered questionnaire were obtained for this qualitative study to address the affirmation hypotheses. A total of 426 questionnaires were distributed among the shopping centres consumer’s in Klang Valley, Malaysia. Each individual was approached at the major shopping centers where the green packaging was in practice. The researchers employed a partial least squares-structural equation modeling (PLS-SEM) approach using the SmartPLS 3 package to analyze the data. Results: Findings from this study indicated that three values have a significant impact on consumer's green packaging acceptance which is emotional, functional, and social value while conditional and epistemic have no statistical impact on consumer's green packaging acceptance. Conclusion: These research findings contribute to the growing body of knowledge on the drivers that motivate consumers to shift from traditional packaging to green packaging and subsequently contributing to long-term urban sustainability and quality of life predominantly in the emerging economy. Future researcher should be taken forward by undertaking further studies which include longitudinal and comparative studies of consumer acceptance towards green packaging in both developed and developing countries..
    Źródło:
    LogForum; 2021, 17, 4; 503--517
    1734-459X
    Pojawia się w:
    LogForum
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Examining the success factors of smart watch : a behavioral perspective on consumers
    Badanie czynników sukcesu inteligentnego zegarka : behawioralna perspektywa konsumentów
    Autorzy:
    Lin, Chih Wei
    Yang, Chin-Cheng
    Sia, Wei Yeng
    Tang, Kai-Yu
    Powiązania:
    https://bibliotekanauki.pl/articles/404795.pdf
    Data publikacji:
    2019
    Wydawca:
    Politechnika Częstochowska
    Tematy:
    perceived playfulness
    compatibility
    technology acceptance model
    innovation diffusion theory
    postrzegana użyteczność
    kompatybilność
    model akceptacji technologii
    teoria dyfuzji innowacji
    Opis:
    The purpose of this study was to investigate factors influencing consumers’ intention to use Apple Watch by applying Decomposed Theory of Planned Behavior (DTPB). The subject of the study was the Apple Watch users in Taiwan. The researcher used purposive and snowball sampling as the sampling method, a total of 350 surveys were issued, 327 valid surveys were collected and the effective response rate was 93.43%. The collected data were analyzed by confirmatory factor analysis and structural equation model. The results are illustrated as follow. First, the overall behavior model of Apple Watch users constructed by Decomposed Theory of Planned Behavior in this study fitted well. Second, the research model has well explanatory power to wearable device users, which is R² of attitudes, subjective norms and perceived behavioral control on behavior intentions have reached 63%. Third, perceived usefulness and perceived playfulness are the most two important influencing factors on attitudes. Interpersonal influence is the most important influencing factor to subjective norm. The most influencing factor of perceived behavioral control is facilitating condition.
    Celem tego badania było zbadanie czynników wpływających na zamiar korzystania przez Apple z zegarka przez zastosowanie dekompozycji teorii planowanego zachowania (DTPB). Przedmiotem badania byli użytkownicy Apple Watch na Tajwanie. Badacz zastosował celowe i śnieżkowe pobieranie próbek jako metodę pobierania próbek, wykonano w sumie 350 badań, zebrano 327 ważnych badań, a efektywny odsetek odpowiedzi wyniósł 93,43%. Zebrane dane przeanalizowano za pomocą potwierdzającej analizy czynnikowej i modelu równań strukturalnych. Wyniki zostały zilustrowane w następujący sposób. Po pierwsze, ogólny model zachowania użytkowników Apple Watch skonstruowany przez Dekomponowaną Teorię Planowanego Zachowania (DTPB) w tym badaniu dobrze skonstruowany. Po drugie, model badawczy wyjaśnia użytkownikom tych urządzeń, subiektywnych norm i postrzeganej kontroli behawioralnej nad zamiarami zachowań osiągnął 63%. Po trzecie, postrzegana użyteczność i postrzegana zabawa to dwa najważniejsze czynniki wpływające na postawy użytkowników.
    Źródło:
    Polish Journal of Management Studies; 2019, 20, 2; 368-378
    2081-7452
    Pojawia się w:
    Polish Journal of Management Studies
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Terroryzm
    Terrorismus-Lexikon : Täter, Opfer, Hintergründe, 2006.
    Autorzy:
    Dietl, Wilhelm.
    Hirschmann, Kai (1965- ).
    Tophoven, Rolf (1937- ).
    Współwytwórcy:
    Liedel, Krzysztof (1969-2021). Redakcja
    Data publikacji:
    2009
    Wydawca:
    Warszawa : Wydawnictwo Naukowe PWN
    Tematy:
    Terroryzm
    Podręcznik
    Opis:
    Tyt. oryg.: "Das Terrorismus-Lexikon : Täter, Opfer, Hintergründe" 2006.
    Bibliogr. s. 362-377. Indeks.
    Dostawca treści:
    Bibliografia CBW
    Książka
    Tytuł:
    Method of emergency collision avoidance for unmanned surface vehicle (USV) based on motion ability database
    Autorzy:
    Song, Lifei
    Chen, Houjing
    Xiong, Wenhao
    Dong, Zaopeng
    Mao, Puxiu
    Xiang, Zuquan
    Hu, Kai
    Powiązania:
    https://bibliotekanauki.pl/articles/260203.pdf
    Data publikacji:
    2019
    Wydawca:
    Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
    Tematy:
    unmanned surface vehicle
    emergency collision avoidance
    velocity obstacle method
    motion ability
    Opis:
    The unmanned surface vehicles (USV) are required to perform a dynamic obstacle avoidance during fulfilling a task. This is essential for USV safety in case of an emergency and such action has been proved to be difficult. However, little research has been done in this area. This study proposes an emergency collision avoidance algorithm for unmanned surface vehicles (USVs) based on a motion ability database. The algorithm is aimed to address the inconsistency of the existing algorithm. It is proposed to avoid collision in emergency situations by sharp turning and treating the collision avoidance process as a part of the turning movement of USV. In addition, the rolling safety and effect of speed reduction during the collision avoidance process are considered. First, a USV motion ability database is established by numerical simulation. The database includes maximum rolling angle, velocity vector, position scalar, and steering time data during the turning process. In emergency collision avoidance planning, the expected steering angle is obtained based on the International Regulations for Preventing Collisions at Sea (COLREGs), and the solution space, with initial velocity and rudder angle taken as independent variables, is determined by combining the steering time and rolling angle data. On the basis of this solution space, the objective function is solved by the particle swarm optimization (PSO) algorithm, and the optimal initial velocity and rudder angle are obtained. The position data corresponding to this solution is the emergency collision avoidance trajectory. Then, the collision avoidance parameters were calculated based on the afore mentioned model of motion. With the use of MATLAB and Unity software, a semi-physical simulation platform was established to perform the avoidance simulation experiment under emergency situation. Results show the validity of the algorithm. Hence results of this research can be useful for performing intelligent collision avoidance operations of USV and other autonomous ships.
    Źródło:
    Polish Maritime Research; 2019, 2; 55-67
    1233-2585
    Pojawia się w:
    Polish Maritime Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A novel process for extraction of iron from a refractory red mud
    Autorzy:
    Ding, Wei
    Xiao, Junhui
    Peng, Yang
    Shen, Siyue
    Chen, Tao
    Zou, Kai
    Wang, Zhen
    Powiązania:
    https://bibliotekanauki.pl/articles/1450194.pdf
    Data publikacji:
    2020
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    red mud
    sodium sulfate
    segregation roasting
    magnetic separation
    iron recovery
    Opis:
    Red mud is a kind of solid waste produced during alumina extraction from bauxite. To extraction valuable iron from red mud, the technology of adding sodium sulfate-segregation roasting-magnetic separation to treat red mud was developed. During the paper, the effects of various process parameters on the extraction of iron by segregation roasting-magnetic separation were studied, and the phase transformation behavior and microstructure of iron are explored. Repeated test results showed that magnetic concentrate (mass percent), TFe of 80.29 % and overall iron recovery of 92.08 %was obtained. The X-ray diffraction (XRD) and scanning electron microscopy (SEM) results indicated that after the segregation roasting, the hematite was transformed into a new metal phase consisting mainly of metallic iron and magnetite. The addition of sodium sulfate during the segregation roasting can obviously improve the efficiency of segregation roasting-magnetic separation for iron extraction.
    Źródło:
    Physicochemical Problems of Mineral Processing; 2020, 56, 6; 125-136
    1643-1049
    2084-4735
    Pojawia się w:
    Physicochemical Problems of Mineral Processing
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A morganucodontan mammalia form from the Upper Jurassic Morrison Formation, Utah, USA
    Autorzy:
    Davis, Brian M.
    Jäger, Kai R.K.
    Rougier, Guillermo W.
    Trujillo, Kelli
    Chamberlain, Kevin
    Powiązania:
    https://bibliotekanauki.pl/articles/2216314.pdf
    Data publikacji:
    2022
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    Mammalia
    Morganucodonta
    dentition
    Jurassic
    Morrison Formation
    Opis:
    We describe two skull fragments of a new morganucodontan from the Cisco Mammal Quarry (Upper Jurassic Morrison Formation), preserving portions of the palate and snout in excellent 3D detail as well as the complete upper postcanine dentition. Morganucodontans are best known by isolated elements and relatively complete skulls of several species of Morganucodon from the Lower Jurassic of Wales and China; this group is fundamental to our understanding of the early evolution of mammals. Cifellilestes ciscoensis gen. et sp. nov. possesses derived features of the snout paired with plesiomorphic construction of the molars; the distal premolars are complex and there is an unusually low count (two) of strongly imbricated molars. This character combination expands craniodental variation for the group. We sampled mudstone from the Cisco Mammal Quarry for ash-fall zircon analysis and obtained a date of 151.50 ± 0.28 Ma. This dates the locality to the earliest Tithonian and slightly younger than other major dated mammalbearing localities in the Morrison Formation. Cifellilestes represents one of the youngest members of this group and extends the record of morganucodontans in North America by more than 30 Ma. Morganucodontans are a rare component of Late Jurassic faunas but display surprising dental diversity through variations in a tooth count and cusp morphology of a deeply conserved, generalized mammalian tooth pattern, which was fully established in brasilodontid (non-mammalian) ancestors at least 80 my prior.
    Źródło:
    Acta Palaeontologica Polonica; 2022, 67, 1; 77-93
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Paths to low-carbon development in China: The role of government environmental target constraints
    Autorzy:
    Bai, Tingting
    Xu, Dong
    Yang, Qianyi
    Dudás Piroska, Vargáné
    Dénes Dávid, Lóránt
    Zhu, Kai
    Powiązania:
    https://bibliotekanauki.pl/articles/39830406.pdf
    Data publikacji:
    2023
    Wydawca:
    Instytut Badań Gospodarczych
    Tematy:
    government environmental target constraints
    carbon emissions
    energy consumption
    industrial structure optimization
    green technology innovation
    Opis:
    Research background: To achieve the targets for carbon peak and air quality improvement, local governments should propose environmental targets and develop realization paths that are tailored to their unique local conditions. They then promote low-carbon development through the implementation of multiple measures. Purpose of the article: As the government performance appraisal system im-proves, the question arises as to whether governments take the initiative to com-bine environmental policies with government target constraints to reduce carbon emissions. Methods: The announcement of environmental target constraints by local governments in government work reports is considered a quasi-natural experiment. This study examines the effect of government environmental target constraints (GETC) on carbon emissions (CEs) using differences-in-differences (DID), propensity score matching-DID (PSM-DID), and spatial-DID (SDID) with data from 241 Chinese cities from 2003 to 2019. Findings & value added: The results demonstrate that GETC can effectively reduce local CEs, with the inhibitory effect being most effective in the first two years after setting environmental targets, but diminishing in the third year. GETC can reduce local CEs through three paths: reducing energy consumption, promoting industrial structure optimization, and encouraging green technology innovation. Spatial spillover effects show that GETC reduces local CEs while exacerbating CEs in neighboring cities, indicating a beggar-thy-neighbor effect in conventional environmental regulation policy. This effect is observed mainly in the geographic matrix and the economic-geographic matrix, but not in the economic matrix. According to heterogeneity analysis, GETC in the eastern and central cities can significantly reduce CEs. The inhibitory effect of GETC on local CEs is stronger in cities where secretaries and mayors have longer tenures and higher levels of education. The paper's theoretical value lies in exploring the reduction of CEs through the combination of government self-restraint and environmental policies, providing a new solution for local governments to achieve CEs reduction. Furthermore, it offers practical insights into the improvement of the Chinese government assessment system.
    Źródło:
    Oeconomia Copernicana; 2023, 14, 4; 1139-1173
    2083-1277
    Pojawia się w:
    Oeconomia Copernicana
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Experimental study on the effect of ions on the surface hydration characteristics of fine quartz
    Autorzy:
    Liu, Chunfu
    Min, Fanfei
    Liu, Lingyun
    Chen, Jun
    Ren, Bao
    Lv, Kai
    Tan, Yujiao
    Powiązania:
    https://bibliotekanauki.pl/articles/2146921.pdf
    Data publikacji:
    2022
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    quartz
    hydration cation
    particle sphericity
    hydration factor
    viscosity
    Opis:
    The fine quartz particle hydration and effects of metal ions on the hydration characteristics of fine quartz surface are investigated using the rheological experiment. Several important factors affecting hydration factors, such as particle sphericity, solution pH, ion species, ion concentration were investigated. The results show that viscosity and hydration factor of fine quartz suspension increase with the increase of solution pH. wherein quartz particles have more negative charges on the surface in alkaline environment and strong hydration repulsion; The introduction of metal ions enhances the hydration strength of fine quartz surface to a certain extent. In contrast, high valence and high concentration will increase the viscosity of fine quartz suspension, and the hydration factors of particle surface also increase. At the same ion concentration, the order of influence on the hydration factors of fine quartz particles is Mg2+ > Ca2+ > Na+ > K+. This finding has been attributed to the combination of metal ion hydration and its adsorption on the mineral surface. This study will provide the theoretical guiding significance for the refractory coal slime water and other mineral processing wastewater containing quartz particles.
    Źródło:
    Physicochemical Problems of Mineral Processing; 2022, 58, 4; art. no. 150280
    1643-1049
    2084-4735
    Pojawia się w:
    Physicochemical Problems of Mineral Processing
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Google and Apple mobility data as predictors for European tourism during the COVID-19 pandemic: A neural network approach
    Autorzy:
    Nagy, Benedek
    Gabor, Manuela Rozalia
    Bacoș, Ioan Bogdan
    Kabil, Moaaz
    Zhu, Kai
    Dávid, Lóránt Dénes
    Powiązania:
    https://bibliotekanauki.pl/articles/22402532.pdf
    Data publikacji:
    2023
    Wydawca:
    Instytut Badań Gospodarczych
    Tematy:
    Mobility
    Tourism
    Google Mobility data
    Apple mobility data
    Europe
    COVID-19 pandemic
    Opis:
    Research background: The COVID-19 pandemic has caused unprecedented disruptions to the global tourism industry, resulting in significant impacts on both human and economic activities. Travel restrictions, border closures, and quarantine measures have led to a sharp decline in tourism demand, causing businesses to shut down, jobs to be lost, and economies to suffer. Purpose of the article: This study aims to examine the correlation and causal relationship between real-time mobility data and statistical data on tourism, specifically tourism overnights, across eleven European countries during the first 14 months of the pandemic. We analyzed the short longitudinal connections between two dimensions of tourism and related activities. Methods: Our method is to use Google and Apple's observational data to link with tourism statistical data, enabling the development of early predictive models and econometric models for tourism overnights (or other tourism indices). This approach leverages the more timely and more reliable mobility data from Google and Apple, which is published with less delay than tourism statistical data. Findings & value added: Our findings indicate statistically significant correlations between specific mobility dimensions, such as recreation and retail, parks, and tourism statistical data, but poor or insignificant relations with workplace and transit dimensions. We have identified that leisure and recreation have a much stronger influence on tourism than the domestic and routine-named dimensions. Additionally, our neural network analysis revealed that Google Mobility Parks and Google Mobility Retail & Recreation are the best predictors for tourism, while Apple Driving and Apple Walking also show significant correlations with tourism data. The main added value of our research is that it combines observational data with statistical data, demonstrates that Google and Apple location data can be used to model tourism phenomena, and identifies specific methods to determine the extent, direction, and intensity of the relationship between mobility and tourism flows.
    Źródło:
    Equilibrium. Quarterly Journal of Economics and Economic Policy; 2023, 18, 2; 419-459
    1689-765X
    2353-3293
    Pojawia się w:
    Equilibrium. Quarterly Journal of Economics and Economic Policy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Oxygen Reduction Activity of Nitrogen-doped Graphene
    Autorzy:
    Jian-feng, Liu
    Ge, Sun
    Ting, Wang
    Kai, Ning
    Bin-xia, Yuan
    Wei-guo, Pan
    Powiązania:
    https://bibliotekanauki.pl/articles/2174819.pdf
    Data publikacji:
    2022
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    Nitrogen Doping
    Graphene
    Oxygen Reduction Activity
    Molecular Simulation
    Opis:
    Graphite nitrogen, pyridine nitrogen and pyrrole nitrogen are the main nitrogen types in nitrogen-doped graphene materials. In order to investigate the mechanism of the oxygen reduction activity of nitrogen-doped graphene, several models of nitrogen-doped graphene with different nitrogen contents and different nitrogen types are developed. The nitrogen content is varied from 1.3 at% to 7.8 at%, and the adsorption energy is calculated according to the established models, then the band gaps are analyzed through the optimization results, so as to compare the mag-nitude of the conductivity. Finally, the oxygen reduction activity of graphite nitrogen-doped graphene (GNG) is found to be better than pyridine nitrogen-doped graphene (PDNG) and pyrrole nitrogen-doped graphene (PLNG) when the nitrogen content is lower than 2.6 at%, and the oxygen reduction activity of PDNG is the best when the nitrogen content was higher than 2.6 at%.
    Źródło:
    Polish Journal of Chemical Technology; 2022, 24, 3; 29--34
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Improvement of resistance to plant pathogens and pests by DNA technology.
    Autorzy:
    Ueng, Peter P.
    Hwang, Shaw-Yhi
    Yang, Man-Miao
    Cui, Kai-Rong
    Hsu, Hei-Ti
    Powiązania:
    https://bibliotekanauki.pl/articles/2198797.pdf
    Data publikacji:
    2001-12-20
    Wydawca:
    Instytut Hodowli i Aklimatyzacji Roślin
    Opis:
    To improve crop yield, DNA technology has been used to enhance plant resistance toward pathogens and pests. Genes identified through understanding of host-pathogen interactions in viral, bacterial and fungal diseases, the mechanism of hypersensitive reaction in Arabidopsis and insect toxicity of natural peptides are used for their expression in plants. Progress on the use of simple sequence repeats (SSR) markers for resistance gene identification, development of virus-specific antibody gene expression in plants for virus control, construction of genes for multi-pathogen resistance, and use of viral vectors for gene efficiency evaluation are discussed.
    Źródło:
    Plant Breeding and Seed Science; 2001, 45, supplement; 45-58
    1429-3862
    2083-599X
    Pojawia się w:
    Plant Breeding and Seed Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    University Students’ Motivation and Impulse Buyer Behavior
    Autorzy:
    Tat, Huam Hon
    Kai, Chuah Boon
    Senin, Aslan Amat
    Rasli, Amran Md
    Bagozzi, Richard P.
    Powiązania:
    https://bibliotekanauki.pl/articles/26469793.pdf
    Data publikacji:
    2013-03-31
    Wydawca:
    Wydawnictwo Adam Marszałek
    Tematy:
    motivation
    impulse buyer behaviour
    hedonistic desires
    perceived decision-making accuracy
    perceived decision effort
    social needs
    esteem needs
    Opis:
    There are contradictive explanations in the literature on the impulse buying behavior. Some research shows that consumers view impulse buying normatively wrong, while other research reveals that consumers buy impulsively. The purpose of this study is to examine the motivations of impulse buying behavior and to investigate the relationship between each set of motivation and decisions which lead to university students’ impulse buying behavior. Multiple regression analysis was used to determine the predictors of impulse buying behavior. The results show that hedonistic desires, perceived decision-making accuracy and perceived decision effort were the determinants of impulse buying. As a recommendation, business strategies targeting Malaysians in this university should be carried out by considering their potential motivations and university students should not over-rely on their impulsiveness traits as complimentary purchasing alternative.
    Źródło:
    The New Educational Review; 2013, 31; 165-174
    1732-6729
    Pojawia się w:
    The New Educational Review
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of High-Temperature Annealing on the Cross-Tension Property of Resistance Spot Welded Medium-Mn Steel
    Autorzy:
    Zhao, Bingge
    Wang, Yuanfang
    Sun, Chenyu
    Ding, Kai
    Wu, Guanzhi
    Wei, Tao
    Pan, Hua
    Gao, Yulai
    Powiązania:
    https://bibliotekanauki.pl/articles/2174565.pdf
    Data publikacji:
    2022
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    medium Mn steel
    resistance spot welding
    cross-tension strength
    martensite
    fracture
    Opis:
    As one of the most promising 3rd generation advanced high strength steels (AHSS), medium Mn steels attract much attention because of their exceptional mechanical property and reasonable cost. However, their application in the modern automotive industry is limited by poor weldability. In this study, 7Mn steel was welded by resistance spot welding (RSW), which was followed by high-temperature annealing to increase the cross-tension property. With this effort, enhanced cross-tension strength (CTS) with a partial interfacial fracture (PIF) mode was realized. During the annealing after RSW that produced martensite, austenitization was realized and then evolved into martensite by the following air cooling. This process produced structure homogeneity across the joint. With respect to the RSW joint, martensite remained the dominant structure after annealing while the diffusion of C and Mn solutes was triggered. With the increase of annealing temperature, the diffusion was enhanced, and the grain boundary embrittlement was reduced, leading to higher CTS.
    Źródło:
    Archives of Metallurgy and Materials; 2022, 67, 4; 1293--1298
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Kinetics of simultaneous recovering of Au and Ag from CTs by chloridizing volatilization methods
    Autorzy:
    Weiwei, Wang
    Zhengyao, Li
    Shanshan, Yang
    Kai, Ma
    Xin, Gao
    Shaoqi, Han
    Shaochun, Hou
    Hecheng, Miao
    Powiązania:
    https://bibliotekanauki.pl/articles/27323663.pdf
    Data publikacji:
    2023
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    cyanide tailings
    chloridizing volatilization
    gold
    silver
    kinetics
    Opis:
    Cyanide Tailings (CTs) are known as hazardous resources that accumulate hundreds of millions of tons, threatening the ecological environment. This work proposes an eco-friendly and efficient way to recover gold and silver from CTs. The effects of calcium chloride dosage, silicon dioxide dosage, pellet moisture content, roasting temperature, and roasting time on Au and Ag chloridizing volatilization were studied. The kinetics of simultaneously recovering of gold and silver from cyanide Tailings by chlorination roasting was investigated. It was determined that the chloridizing volatilization rates increased with increasing calcium chloride dosage, temperature and decreasing silicon dioxide dosage, pellet moisture content. The chloridizing volatilization kinetics followed a shrinking core model, with inter-diffusion through gangue layer as the rate determining step. This finding is in accordance with the apparent activation energy (Ea) of 24.01 kJ•mol-1 (Au) and 24.62 kJ•mol-1 (Ag). The orders of reaction with respect to moisture content, temperature, calcium chloride dosage and silicon dioxide dosage were also achieved. The rate of reaction based on diffusion-controlled process can be expressed by semi-empirical equations. The control steps of the gold and silver recovery process were investigated by the kinetic study, which provided theoretical guidance for the optimization of the method.
    Źródło:
    Physicochemical Problems of Mineral Processing; 2023, 59, 6; art. no. 172522
    1643-1049
    2084-4735
    Pojawia się w:
    Physicochemical Problems of Mineral Processing
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Development and verification of a high-precision laser measurement system for straightness and parallelism measurement
    Autorzy:
    Xu, Peng
    Li, Rui Jun
    Zhao, Wen Kai
    Chang, Zhen Xin
    Ma, Shao Hua
    Fan, Kuang Chao
    Powiązania:
    https://bibliotekanauki.pl/articles/1849049.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    straightness
    parallelism
    laser measurement system
    machine tool
    Opis:
    A laser measurement system for measuring straightness and parallelism error using a semiconductor laser was proposed. The designing principle of the developed system was analyzed. Addressing at the question of the divergence angle of the semiconductor laser being quite large and the reduction of measurement accuracy caused by the diffraction effect of the light spot at the long working distance, the optical structure of the system was optimized through a series of simulations and experiments. A plano-convex lens was used to collimate the laser beam and concentrate the energy distribution of the diffraction effect. The working distance of the system was increased from 2.6 m to 4.6 m after the optical optimization, and the repeatability of the displacement measurement is kept within 2.2 m in the total measurement range. The performance of the developed system was verified by measuring the straightness of a machine tool through the comparison tests with two commercial multi-degree-of-freedom measurement systems. Two different measurement methods were used to verify the measurement accuracy. The comparison results show that during the straightness measurement of the machine tool, the laser head should be fixed in front of the moving axis, and the sensing part should move with the moving table of the machine tool. Results also show that the measurement error of the straightness measurement is less than 3 m compared with the commercial systems. The developed laser measurement system has the advantages of high precision, long working distance, low cost, and suitability for straightness and parallelism error measurement.
    Źródło:
    Metrology and Measurement Systems; 2021, 28, 3; 479-495
    0860-8229
    Pojawia się w:
    Metrology and Measurement Systems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Development and verification of a high-precision laser measurement system for straightness and parallelism measurement
    Autorzy:
    Xu, Peng
    Li, Rui Jun
    Zhao, Wen Kai
    Chang, Zhen Xin
    Ma, Shao Hua
    Fan, Kuang Chao
    Powiązania:
    https://bibliotekanauki.pl/articles/1849061.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    straightness
    parallelism
    laser measurement system
    machine tool
    Opis:
    A laser measurement system for measuring straightness and parallelism error using a semiconductor laser was proposed. The designing principle of the developed system was analyzed. Addressing at the question of the divergence angle of the semiconductor laser being quite large and the reduction of measurement accuracy caused by the diffraction effect of the light spot at the long working distance, the optical structure of the system was optimized through a series of simulations and experiments. A plano-convex lens was used to collimate the laser beam and concentrate the energy distribution of the diffraction effect. The working distance of the system was increased from 2.6 m to 4.6 m after the optical optimization, and the repeatability of the displacement measurement is kept within 2.2 m in the total measurement range. The performance of the developed system was verified by measuring the straightness of a machine tool through the comparison tests with two commercial multi-degree-of-freedom measurement systems. Two different measurement methods were used to verify the measurement accuracy. The comparison results show that during the straightness measurement of the machine tool, the laser head should be fixed in front of the moving axis, and the sensing part should move with the moving table of the machine tool. Results also show that the measurement error of the straightness measurement is less than 3 m compared with the commercial systems. The developed laser measurement system has the advantages of high precision, long working distance, low cost, and suitability for straightness and parallelism error measurement.
    Źródło:
    Metrology and Measurement Systems; 2021, 28, 3; 479-495
    0860-8229
    Pojawia się w:
    Metrology and Measurement Systems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Rezensionen
    Autorzy:
    Patri, Kai Hendrik
    Jokiel, Małgorzata
    Ociepa, Gabriela
    Naganowska, Maria
    Kłańska, Maria
    Schatte, Czesława
    Pilarski, Anna
    Kur, Elżbieta
    Powiązania:
    https://bibliotekanauki.pl/articles/1032647.pdf
    Data publikacji:
    2012-12-30
    Wydawca:
    Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
    Opis:
    DETERING, HEINRICH / HOFFMANN, TORSTEN / PASEWALCK, SILKE / PORMEISTER, EVE (eds.) (2011): Nationalepen zwischen Fakten und Fiktionen. Beiträge zum komparatistischen Symposium 6. bis 8. Mai 2010 Tartu. Tartu: Tartu University Press (=Humaniora: Germanistica 5). 321 S. KRYSZTOFIAK, MARIA (2011): Translatologiczna teoria i praktyka przekładu artystycznego. [Die translatologische Theorie und Praxis der künstlerischen Übersetzung]. Poznań: Wydawnictwo Naukowe UAM. 244 S. RÖSCH, GERTRUD MARIA (ed.) (2011): Fakten und Fiktionen. Werklexikon der deutschsprachigen Schlüsselliteratur 1900-2010. 1. ‒ Andres bis Loest. Stuttgart: Hiersemann (=Hiersemanns bibliographische Handbücher 21,1). 405 S. RYBSKA, AGNIESZKA MAGDALENA (2011): Deutsche Kriminalgeschichten von 1780 bis 1820 als Anfänge der Kriminalliteratur. Frankfurt (M.)/Berlin/Bern u. a.: Peter Lang Verlag (=Studien zur Germanistik, Skandinavistik und Übersetzungskultur 1). 116 S. SZCZEPANIAK, MONIKA (2011): Militärische Männlichkeiten in Deutschland und Österreich im Umfeld des Großen Krieges. Konstruktionen und Dekonstruktionen. Würzburg: Königshausen & Neumann. 274 S. HYVÄRINEN, IRMA / LIIMATAINEN, ANNIKKI (eds.) (2011): Beiträge zur pragmatischen Phraseologie. Frankfurt (M.)/Berlin/Bern u. a.: Peter Lang Verlag (=Finnische Beiträge zur Germanistik 25). 225 S. SOPATA, ALDONA (2009): Erwerbstheoretische und glottodidaktische Aspekte des frühen Zweitspracherwerbs. Sprachentwicklung der Kinder im natürlichen und schulischen Kontext. Poznań: Wydawnictwo Naukowe UAM. 462 S. ZIELIŃSKI, LECH / LUDWIG, KLAUS-DIETER / LIPCZUK, RYSZARD (eds.) (2011): Deutsche und polnische Lexikographie nach 1945 im Spannungsfeld der Kulturgeschichte. Frankfurt (M.)/Berlin/Bern u. a.: Peter Lang Verlag (=Danziger Beiträge zur Germanistik 35). 306 S.
    Źródło:
    Convivium. Germanistisches Jahrbuch Polen; 2012; 271-309
    2196-8403
    Pojawia się w:
    Convivium. Germanistisches Jahrbuch Polen
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Development and verification of a high-precision laser measurement system for straightness and parallelism measurement
    Autorzy:
    Xu, Peng
    Li, Rui Jun
    Zhao, Wen Kai
    Chang, Zhen Xin
    Ma, Shao Hua
    Fan, Kuang Chao
    Powiązania:
    https://bibliotekanauki.pl/articles/1849006.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    straightness
    parallelism
    laser measurement system
    machine tool
    Opis:
    A laser measurement system for measuring straightness and parallelism error using a semiconductor laser was proposed. The designing principle of the developed system was analyzed. Addressing at the question of the divergence angle of the semiconductor laser being quite large and the reduction of measurement accuracy caused by the diffraction effect of the light spot at the long working distance, the optical structure of the system was optimized through a series of simulations and experiments. A plano-convex lens was used to collimate the laser beam and concentrate the energy distribution of the diffraction effect. The working distance of the system was increased from 2.6 m to 4.6 m after the optical optimization, and the repeatability of the displacement measurement is kept within 2.2 m in the total measurement range. The performance of the developed system was verified by measuring the straightness of a machine tool through the comparison tests with two commercial multi-degree-of-freedom measurement systems. Two different measurement methods were used to verify the measurement accuracy. The comparison results show that during the straightness measurement of the machine tool, the laser head should be fixed in front of the moving axis, and the sensing part should move with the moving table of the machine tool. Results also show that the measurement error of the straightness measurement is less than 3 m compared with the commercial systems. The developed laser measurement system has the advantages of high precision, long working distance, low cost, and suitability for straightness and parallelism error measurement.
    Źródło:
    Metrology and Measurement Systems; 2021, 28, 3; 479-495
    0860-8229
    Pojawia się w:
    Metrology and Measurement Systems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Lipopolysaccharide accelerates fine particulate matter-induced cell apoptosis in human lung bronchial epithelial cells
    Autorzy:
    Ru, Qin
    Xiong, Qi
    Chen, Lin
    Tian, Xiang
    Yue, Kai
    Ma, Baomiao
    Liu, Lu
    Wu, Rihui
    Xu, Congyue
    Pi, Mingshan
    Li, Chaoying
    Powiązania:
    https://bibliotekanauki.pl/articles/2161782.pdf
    Data publikacji:
    2017-11-03
    Wydawca:
    Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
    Tematy:
    Apoptosis
    cytotoxicity
    inflammation
    fine particulate matter
    free radicals
    bronchial epithelial cells
    Opis:
    Objectives The aim of the study has been to investigate the effect of the Standard Reference Material of fine particulate matter (SRM 2786) on cytotoxicity and apoptosis in human lung bronchial epithelial cells (16HBE cells). Whether the lipopolysaccharide (LPS)-induced inflammation could further accelerate cell apoptosis induced by SRM 2786 stimulation has also been determined. Material and Methods 16HBE cells were exposed to various doses of SRM 2786 with or without LPS. The following parameters: cytotoxicity, apoptotic rate, Bax/Bcl-2 expression, nitric oxide (NO) production, and reactive oxygen species (ROS) generation were measured. Results The results have shown that SRM 2786 induces cell damage and apoptosis of 16HBE cells as demonstrated by significant decrease in expression of Bcl-2 and increase in expression of Bax. When compared with the control cells, the apoptotic rate of cells treated by 500 μg/ml of SRM 2786 increased from 2.43±0.21% to 43.96±2.95% (p < 0.01). Further, there was an elevated production of NO and ROS post SRM 2786 treatment. The level of NO in cells treated with 500 μg/ml of SRM 2786 was 18.33±1.02 μmol/l whereas that of control cells was 1.58±0.31 μmol/l (p < 0.01). When compared with the control group, the level of intracellular ROS increased by 24% after treatment with 500 μg/ml of SRM 2786 (p < 0.05). In addition, LPS pre-treatment may accelerate cell apoptosis by increasing generation of NO and ROS followed by SRM 2786 stimulation. When compared to cells treated with 125 μg/ml of SRM 2786 alone, the levels of NO and ROS in cells pretreated with LPS increased by 28% and 11.6%, respectively (p < 0.05), and the apoptotic rate increased from 34.62±4.44% to 54.11±3.34% (p < 0.01). Conclusions These findings have suggested that in vitro exposure to SRM 2786 could induce 16HBE cells apoptosis probably by means of the mechanism involving the generation of free radicals, while the degree of apoptosis would be further aggravated under inflammation condition. Int J Occup Med Environ Health 2018;31(2):173–183
    Źródło:
    International Journal of Occupational Medicine and Environmental Health; 2018, 31, 2; 173-183
    1232-1087
    1896-494X
    Pojawia się w:
    International Journal of Occupational Medicine and Environmental Health
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Razem przeciwko roszczeniom : premier Marek Belka w Berlinie. Schröder: "Powiernictwo to margines"
    Autorzy:
    Jendroszczyk, Piotr.
    PZ.
    Glotz, Peter.
    Lang, Kai-Olaf.
    Piłka, Marian.
    Rokita, Jan.
    Szteliga, Jerzy.
    Powiązania:
    Rzeczpospolita 2004, nr 228, s. A1, A6
    Współwytwórcy:
    P.JEN. Opracowanie
    P.Ś. Opracowanie
    MA.S. Opracowanie
    Data publikacji:
    2004
    Tematy:
    Belka, Marek (1952- )
    Odszkodowanie
    Wysiedlanie Niemców Polska 1945-1950 r.
    Opis:
    Wypow.: Peter Glotz, były sekretarz generalny SPD, współprzewodniczący Fundacji Centrum przeciwko Wypędzeniom, Kai-Olaf Lang, ekspert Fundacji Nauka i Polityka, Marian Piłka (PiS), Jan Rokita (PO), Jerzy Szteliga (SLD), poseł z Opolszczyzny / not. P.JEN., P.Ś., MA.S.
    Fot.
    Dostawca treści:
    Bibliografia CBW
    Artykuł
    Tytuł:
    Governance in Ethical and Trustworthy AI Systems: Extension of the ECCOLA Method for AI Ethics Governance Using GARP
    Autorzy:
    Agbese, Mamia
    Alanen, Hanna-Kaisa
    Antikainen, Jani
    Erika, Halme
    Isomaki, Hannakaisa
    Jantunen, Marianna
    Kemell, Kai-Kristian
    Rousi, Rebekah
    Vainio-Pekka, Heidi
    Vakkuri, Ville
    Powiązania:
    https://bibliotekanauki.pl/articles/2203948.pdf
    Data publikacji:
    2023
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    AI
    artificial intelligence
    AI ethics
    trustworthy AI
    AI governance
    adaptive governance
    ECCOLA
    Opis:
    Background: The continuous development of artificial intelligence (AI) and increasing rate of adoption by software startups calls for governance measures to be implemented at the design and development stages to help mitigate AI governance concerns. Most AI ethical design and development tools mainly rely on AI ethics principles as the primary governance and regulatory instrument for developing ethical AI that inform AI governance. However, AI ethics principles have been identified as insufficient for AI governance due to lack of information robustness, requiring the need for additional governance measures. Adaptive governance has been proposed to combine established governance practices with AI ethics principles for improved information and subsequent AI governance. Our study explores adaptive governance as a means to improve information robustness of AI ethical design and development tools. We combine information governance practices with AI ethics principles using ECCOLA, a tool for ethical AI software development at the early developmental stages. Aim: How can ECCOLA improve its robustness by adapting it with GARP® IG practices? Methods: We use ECCOLA as a case study and critically analyze its AI ethics principles with information governance practices of the Generally Accepted Recordkeeping principles (GARP®). Results: We found that ECCOLA’s robustness can be improved by adapting it with Information governance practices of retention and disposal. Conclusions: We propose an extension of ECCOLA by a new governance theme and card, # 21.
    Źródło:
    e-Informatica Software Engineering Journal; 2023, 17, 1; art. no. 230101
    1897-7979
    Pojawia się w:
    e-Informatica Software Engineering Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Health promotion for older people in Europe: Health promoters and their activities. Knowledge for training
    Autorzy:
    Golinowska, Stanisława
    Riccardi, Walter
    Poscia, Andrea
    Magnavita, Nicola
    Silva da Costa, Andreia Jorge
    Sowa, Agnieszka
    Collamati, Agnese
    Capelli, Giovanni
    Rogaczewska, Maria
    Pavlova, Milena
    Groot, Wim
    Sitko, Stojgniew
    Huter, Kai
    Kowalska–Bobko, Iwona
    Sowada, Christoph
    Domagała, Alicja
    Rogala, Maciej
    Tambor, Marzena
    Powiązania:
    https://bibliotekanauki.pl/books/16729488.pdf
    Data publikacji:
    2017
    Wydawca:
    Wydawnictwo Naukowe Scholar
    Opis:
    This handbook on health promotion addressed to older people, which is written for readers in European countries, should function as a training programme guideline for health promoters. The authors are aware that it is an excessively ambitious task in light of the relatively poor scientific state of affairs in the field of health promotion. This ambition may be justified to some extent by the experience of the writing team, who acquired a considerable capital of knowledge as a result of ‘Pro health 65+’ - the European project on health promotion addressed to elderly people and prevention of chronic diseases, which was carried out as a part of the second Health Programme of the European Union.
    Dostawca treści:
    Biblioteka Nauki
    Książka
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