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Tytuł:
When focus goes wild: An empirical study of two syntactic positions for information focus
Autorzy:
Jiménez-Fernández, Ángel L.
Powiązania:
https://bibliotekanauki.pl/articles/1040165.pdf
Data publikacji:
2015-12-30
Wydawca:
Katolicki Uniwersytet Lubelski Jana Pawła II
Tematy:
Southern Peninsular Spanish
Standard Spanish
information focus
mirative focus
contrastive focus
focus fronting
Opis:
My goal in the present paper is to carry out an analysis of the syntactic and discourse properties of Information Focus (IF) in Southern Peninsular Spanish (SPS) and Standard Spanish (SS) varieties. Generally, it has been argued that IF tends to occur last in a sentence since new information is placed in final position, following the End-Focus Principle as well as the Nuclear Stress Principle (Zubizarreta 1998). Focus fronting has been hence reserved for those cases in which a clear contrast between two alternatives is established, namely Contrastive Focus (CF) and Mirative Focus (MF) (cf. Cruschina 2012). The starting hypothesis here is that IF can appear as a fronted element in a sentence and that SPS speakers show a higher degree of acceptability and grammaticality towards such constructions, as opposed to SS speakers. This points toward a certain degree of microparametric variation in Spanish syntax (an understudied area), which will be tested by means of a grammaticality judgement task run among both SPS and SS speakers.
Źródło:
Linguistics Beyond and Within; 2015, 1; 119-133
2450-5188
Pojawia się w:
Linguistics Beyond and Within
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The role of anomalous resistivities in Plasma Focus discharges
Autorzy:
Bruzzone, H.
Powiązania:
https://bibliotekanauki.pl/articles/148185.pdf
Data publikacji:
2001
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
anomalous resistivity
pinches
plasma focus
Opis:
The existence of plasma microturbulence in Plasma Focus (PF) devices is a widely accepted fact within the PF community. This microturbulence must be generated as a final stage of microscopic instabilities, which could develop during certain phases of the plasma evolution. Among the candidate instabilities to occur in these devices, the lower hybrid drift instability is the one with better possibilities, because its triggering condition (electron drift velocity approaching ion thermal velocity) has reasonable chances to be fulfilled. The main effect of the development of this instability is the modification of the collision frequencies in the plasma, which adds an anomalous term to the plasma resistivity. The theory for evaluating this extra term exists, and has been already used in PF 1D numerical simulations and in Z-pinch calculations. The role of this anomalous resistivity in PF behaviour has been the subject of considerable speculations. In this work, a 1D MHD (magnetohydrodynamics) calculation of the pinch stage in a PF device will be presented, including anomalous resistivity effects and their influence on electric fields and the discharge current are discussed.
Źródło:
Nukleonika; 2001, 46, suppl. 1; 3-7
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Teoria ukierunkowali regulacyjnych E. Tory Higginsa
E. Tory Higgins’ regulatory focus theory
Autorzy:
Bąk, Wacław
Powiązania:
https://bibliotekanauki.pl/articles/2128664.pdf
Data publikacji:
2019-03-28
Wydawca:
Katolicki Uniwersytet Lubelski Jana Pawła II. Towarzystwo Naukowe KUL
Tematy:
self-regulation
regulatory focus
Higgins
Opis:
Zaproponowana przez E. Tory Higginsa teoria ukierunkowali regulacyjnych, rozróżnia dwie odrębne strategie (systemy) samoregulacji: (1) promocyjne i (2) prewencyjne ukierunkowanie regulacyjne. Pierwsza związana jest z koncentracją na ideałach, osiągnięciach, aspiracjach i wzroście, natomiast druga - z koncentracją na powinnościach, zobowiązaniach, odpowiedzialności, ochranianiu i bezpieczeństwie. Artykuł prezentuje najważniejsze tezy teorii oraz wyniki wybranych badań dotyczących znaczenia ukierunkowali regulacyjnych dla procesów poznawczych i decyzyjnych, różnych aspektów realizacji celów, a także dla emocji, formułowania ocen i wartościowania obiektów. Ostatnia część ma charakter dyskusyjny i koncentruje się na ocenie teorii Higginsa, jej związków z innymi modelami samoregulacji oraz miejsca w szerszym kontekście zmiennych osobowościowych i temperamentalnych.
The regulatory focus theory proposed by E. Tory Higgins differentiates between two distinct strategies for self regulation: (1) promotion and (2) prevention regulatory focus. The former is concerned with ideals, advancement, aspirations, accomplishments, and growth, while the latter – with oughts, obligations, responsibility, protection, and safety. The paper presents the main theses of the theory and results of selected studies concerning the role of regulatory focus in cognitive processes and decision making, different aspects of goal achievement, and also in experiencing emotions, assessment making and value judgments. The last part of the paper discusses strong and weak points of the theory as well as its associations with other cognitive models of self-regulation. It is also proposed to put the regulatory foci in a broader context of personality and temperament variables.
Źródło:
Roczniki Psychologiczne; 2008, 11, 1; 7-38
1507-7888
Pojawia się w:
Roczniki Psychologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The semantics of the Spanish adjective positions: a matter of focus
Autorzy:
Dam, Lotte
Powiązania:
https://bibliotekanauki.pl/articles/620637.pdf
Data publikacji:
2018-08-22
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:
cognitive linguistics
focus
instructional semantics
Spanish adjective position
Opis:
This paper presents a hypothesis about Spanish adjective position that accounts for different occurrences in language use. The hypothesis is based on the idea that the modifier position itself is a meaningful sign and that the meaning of the modifier position is related to focus: the postnominal modifier creates focus, whereas the prenominal modifier does not create focus. Drawing on the analysis of examples from a text corpus, the paper suggests that the proposed meaning of the two positions offers an account of various empirical phenomena. For example, it can explain why some adjectives are normally placed in one of the positions and why some adjectives change meaning according to their position.
Źródło:
Research in Language; 2018, 16, 2
1731-7533
Pojawia się w:
Research in Language
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
How Does the Regulatory Focus Affect Problem-Solving Among Undergraduate Students?
Autorzy:
Ghbari, Thaer A.
Powiązania:
https://bibliotekanauki.pl/articles/2191734.pdf
Data publikacji:
2023-03-31
Wydawca:
Wydawnictwo Adam Marszałek
Tematy:
regulatory focus
promotion
prevention
mindset
problem-solving
Opis:
The current study aimed to explore the effect of regulatory Focus – Promotion vs. Prevention – in problem-solving among undergraduate students at The Hashemite University. The hypotheses were that promotion focus students outperform prevention focus students in ill-structured problems but underperform them in well-structured problems, and prevention focus students outperform promotion focus students in well-structured problems but underperform them in ill-structured problems. The participants (n=170) were allocated into four groups according to their mindsets and the problems assigned to them (promotion with ill-structured problems, promotion with well-structured problems, prevention with ill-structured problems, prevention with well-structured problems). After the groups solved all the assigned problems, their work was scored according to Measuring Problem Solving Instrument MPSI. The findings confirmed the hypothesis that the regulatory focus affects how problems are solved.
Źródło:
The New Educational Review; 2023, 71; 180-192
1732-6729
Pojawia się w:
The New Educational Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Focus of trichinellosis and factors determining its mild clinical course
Autorzy:
Kocięcka, W.
Van Knapen, F.
Kortbeek, T.
Powiązania:
https://bibliotekanauki.pl/articles/2151497.pdf
Data publikacji:
1994
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
parasite
human disease
man
trichinellosis
focus
Opis:
Present study aimed at analysing the set of epidemiologic, clinical and serological data in appraisal of trichinellosis focus in little towns near Poznań. It was stressed, that parasitic testing of the consumed meat associated with biological appraisal of Trichinella spiralis represent valuable criteria, which are helpful in interpretation mild clinical signs and symptoms, serological data and in establishing management of patients.
Źródło:
Wiadomości Parazytologiczne; 1994, 40, 4; 375-380
0043-5163
Pojawia się w:
Wiadomości Parazytologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Focus of trichinellosis and factors determining its mild clinical course
Autorzy:
Kociecka, W
Van Knapen, F.
Kortbeek, T.
Powiązania:
https://bibliotekanauki.pl/articles/839887.pdf
Data publikacji:
1994
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
parasite
human disease
man
trichinellosis
focus
Opis:
Present study aimed at analysing the set of epidemiologic, clinical and serological data in appraisal of trichinellosis focus in little towns near Poznań. It was stressed, that parasitic testing of the consumed meat associated with biological appraisal of Trichinella spiralis represent valuable criteria, which are helpful in interpretation mild clinical signs and symptoms, serological data and in establishing management of patients.
Źródło:
Annals of Parasitology; 1994, 40, 4
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Results of large scale Plasma-Focus experiments and prospects for neutron yield optimization
Autorzy:
Sadowski, M.
Scholz, M.
Powiązania:
https://bibliotekanauki.pl/articles/147144.pdf
Data publikacji:
2002
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
neutron yield
nuclear target
optimization
plasma focus
Opis:
This paper summarizes results of the recent Plasma-Focus (PF) studies carried out with different PF facilities in Poland, which were operated at energies ranging from 100 kJ to about 1000 kJ. Particular attention has been paid to currentsheath (CS) dynamics, the emission of pulsed X-rays, fast electron beams, energetic ion beams, and fusion-produced neutrons. Some efforts, undertaken in order to increase the neutron emission, have been described. In particular, nuclear targets made of D2O-ice layers, which were deposited upon special cryogenic devices, have been applied in the PF-360 machine. An increase in the neutron yield from 2.4×1010 up to 3.8×1010 neutrons per shot has been achieved in 130-kJ discharges. With the PF-1000 machine, for the first time the well-formed plasma pinch columns were obtained in PF discharges performed at 1 MJ, and the neutron yield of 2×1011 neutrons per shot was achieved.
Źródło:
Nukleonika; 2002, 47, 1; 31-37
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Focus Construction in Èkìtì and Oǹdó Dialects of Yorùbá: A Dialectological Perspective
Autorzy:
Akintoye, Oluwole Samuel
Owoyele, Oluwasegun Joseph
Powiązania:
https://bibliotekanauki.pl/articles/1177780.pdf
Data publikacji:
2018
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Coding
Construction
Dialects
Focus
Prominence
Sentence
Opis:
Focus Construction in Yoruba language and its dialects has attracted the attention of many Yoruba scholars. But to the best of our knowledge, none has investigated this phenomenon in Èkìtì and Oǹdó dialects. This forms the focus of this paper. The data collection relies on the informants who are native speakers of the two dialects. They are between ages 60 to 80 and they have spent almost their life-times in the selected dialect communities. Descriptive approach is adopted for the discussion. Findings reveal that although, the two dialects belong to different Yoruba major groups; Central Yoruba and Southeast Yoruba, there are some similarities and differences in the syntax of the two dialects. These similarities and differences can mostly be reflected on their focus constructions. The concern of this paper is to consider the similarities and differences between the focus constructions in the two dialects.
Źródło:
World Scientific News; 2018, 100; 213-232
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The automatic focus segmentation of multi-focus image fusion
Autorzy:
Hawari, K.
Ismail
Powiązania:
https://bibliotekanauki.pl/articles/2173548.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
deep learning
ResNet50
multifocus image fusion
głęboka nauka
wieloogniskowa fuzja obrazu
Opis:
Multi-focus image fusion is a method of increasing the image quality and preventing image redundancy. It is utilized in many fields such as medical diagnostic, surveillance, and remote sensing. There are various algorithms available nowadays. However, a common problem is still there, i.e. the method is not sufficient to handle the ghost effect and unpredicted noises. Computational intelligence has developed quickly over recent decades, followed by the rapid development of multi-focus image fusion. The proposed method is multi-focus image fusion based on an automatic encoder-decoder algorithm. It uses deeplabV3+ architecture. During the training process, it uses a multi-focus dataset and ground truth. Then, the model of the network is constructed through the training process. This model was adopted in the testing process of sets to predict the focus map. The testing process is semantic focus processing. Lastly, the fusion process involves a focus map and multi-focus images to configure the fused image. The results show that the fused images do not contain any ghost effects or any unpredicted tiny objects. The assessment metric of the proposed method uses two aspects. The first is the accuracy of predicting a focus map, the second is an objective assessment of the fused image such as mutual information, SSIM, and PSNR indexes. They show a high score of precision and recall. In addition, the indexes of SSIM, PSNR, and mutual information are high. The proposed method also has more stable performance compared with other methods. Finally, the Resnet50 model algorithm in multi-focus image fusion can handle the ghost effect problem well.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2022, 70, 1; e140352, 1--8
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Fate of Tebuconazole in Polish Mineral Soils – Results of Simulations with FOCUS PELMO
Autorzy:
Siek, Marcin Maciej
Paszko, Tadeusz
Powiązania:
https://bibliotekanauki.pl/articles/2028046.pdf
Data publikacji:
2021
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
tebuconazole
retention
leaching
FOCUS PELMO simulations
Opis:
The degradation of tebuconazole in the majority of Polish mineral soils withlow organic carbon content is slow, and its adsorptionis especially low in subsoils. Therefore, the fate of tebuconazole in these soils cannot be predicted based on the results of the adsorption and degradation experiments carried out in typical soils of the European Union. For this reason, the simulations of tebuconazole accumulation in Polish soils and its leaching to groundwater were carried out. The cultivation of winter cereals and winter oilseed rape was simulatedusing FOCUS PELMO in six Arenosol, Luvisol, and Chernozem profiles, representing 59% of Polish arable mineral soils.The simulations indicated that almost all fungicide that reached the soil surface was retained in the topsoil layer of 0–15 cm. The highest concentrations (range of 0.069–0.320 mg/kg) were estimated for the layer 0–5 cm. The results suggested that runoff can be the principal source of tebuconazole in surface water. It was found that the majority of tebuconazole that reached the soils was microbiologically degraded. However, in the years with unfavorable weather conditions for degradation, up to 11% of the tebuconazole that reached the soils remain undegraded. In addition to the accumulation of tebuconazole in the topsoils, the simulations indicated its very slow but constant penetration into the subsoils. The estimated concentrations of tebuconazole in percolate water were low: < 0.02 μg/L at the depth of 25 cm, < 0.002 μg/L at the depth of 75 cm, and trace concentrations at the depth of 1 m in one profile. The obtained results were consistent with the results of the monitoring studies available in literature.
Źródło:
Journal of Ecological Engineering; 2021, 22, 11; 131-141
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Focus-feature and wh-feature in the light of pied piping behavior in Hungarian
Autorzy:
Keresztes, Júlia
Powiązania:
https://bibliotekanauki.pl/articles/1040296.pdf
Data publikacji:
2020-12-30
Wydawca:
Katolicki Uniwersytet Lubelski Jana Pawła II
Tematy:
pied-piping
adjunct-islands
focus-feature
wh-feature
Hungarian
Opis:
This paper presents the findings of two experiments on pied-piping by a prenominal adjunct in Hungarian focus- and wh-constructions. According to Webelhuth (1992) and Cable (2010), pied-piping from adjunct islands is prohibited. The results of the experiments, however, suggest that not only is it possible in Hungarian for the pied-piper to be embedded inside an adjunct island but the embedding of the pied-piper and the movement itself are unrestricted in focus-construction. Pied-piping shows a similar picture in wh-constructions with the restriction that the wh-element has to be discourse-linked for pied-piping to be allowed.
Źródło:
Linguistics Beyond and Within; 2020, 6; 92-110
2450-5188
Pojawia się w:
Linguistics Beyond and Within
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On the influence of gas puff loads on plasma focus dynamics
Autorzy:
Schmidt, H.
Powiązania:
https://bibliotekanauki.pl/articles/971523.pdf
Data publikacji:
2001
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
computer modelling
gas puffing
nuclear fusion
nuclear reactions
plasma focus
Z-pinch
Opis:
The plasma focus is a source of pulsed radiation, which is of interest in various fields of physics and technology. Applications include soft X-ray microscopy, soft X-ray and electron beam lithography. The plasma focus is also a highly efficient source of fast neutrons. If one applies gas puffing instead of static filling, decoupling of plasma conditions in the breakdown and compression phases can be achieved. Results of experiments with a fast valve and accompanying 2D modelling of the dynamic gas target are presented. Among other advantages of gas puffing, neutron yield could be increased up to a factor of three in appropriate experiments. The concept of gas puffing has been extensively investigated in many Z-pinch experiments including multiple gas puffs. It seems desirable to increase the efforts to understand and optimise the gas puffing option for small and large plasma focus devices.
Źródło:
Nukleonika; 2001, 46, 1; 15-19
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Focus on the Translation Trainee
Autorzy:
Pietrzak, Paulina
Kornacki, Michał
Powiązania:
https://bibliotekanauki.pl/articles/2028595.pdf
Data publikacji:
2021-06-30
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Opis:
A learner-based approach to translator training has already been recognised and discussed in translator education for the last few years (González-Davies 2004; Kelly 2005; Kiraly 1995, 2000; Massey et al. 2019). With the main focus on learning rather than training and the translator rather than the product or the process of translation, the observed trend in translation studies can be called ‘translator studies’ (Chesterman 2009). The tendency has been for the teacher-centred approach to be gradually replaced by manners of teaching which favour learner autonomy (Gonzalez Davies 2004). Nonetheless, due to the multiple demands that translator teachers must fulfil, they still happen to be regarded as the main active performers in the educational process. Invaluable as the teacher’s agency is for shaping the educational reality that translation trainees experience, translator education requires ensuring that student-oriented education actually involves freeing teachers and students from their traditional roles, to break out of the routine in which they have been rooted for years. It is worth emphasising that the roles and responsibilities of the translator teacher and student are equally important. The article looks at the translation educational process with the main focus on trainees who are supposed to build their career in the uncertain and indeterminate translation industry of the future.
Źródło:
Research in Language; 2021, 19, 2; 107-115
1731-7533
Pojawia się w:
Research in Language
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Distribution of Dermacentor reticulatus [Fabricius 1794] [Acari: Ixodida: Ixodidae] in Masuria focus [Olsztyn Voivodship]
Autorzy:
Bogdaszewska, Z.
Powiązania:
https://bibliotekanauki.pl/articles/839876.pdf
Data publikacji:
1998
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
Ixodida
Ixodidae
Dermacentor reticulatus
Polska
Olsztyn city
Acari
distribution
focus
Źródło:
Annals of Parasitology; 1998, 44, 3
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
ICT and environmental support for patients with frailty syndrome: CareWell Project, Focus Project and SUNFRAIL Project
Wsparcie ICT i środowiskowe dla pacjentów z zespołem słabości: projekt CareWell, projekt Focus i projekt SUNFRAIL
Autorzy:
Piotrowicz, Jerzy
Soll, Aneta
Kielar, Urszula
Zwiefka, Antoni
Guligowska, Agnieszka
Pigłowska, Małgorzata
Kostka, Tomasz
Kurpas, Donata
Powiązania:
https://bibliotekanauki.pl/articles/963805.pdf
Data publikacji:
2017
Wydawca:
Uniwersytet Opolski. Instytut Nauk o Zdrowiu
Tematy:
frailty
carewell project
focus project
SUNFRAIL project
zespół słabości
projekt carewell
projekt focus
projekt SUNFRAIL
Opis:
Maintaining wellbeing and independence by elderly people results from implementing the rules of “successful aging” , based on activity and participation in professional and social life, as well promotion of healthy lifestyle. Increasingly greater importance is attributed to frailty syndrome among patients of old age. These patients are characterized by increased sensitivity to stimuli, impaired ability to cope with inner and environmental stressinducing factors, and they also have limited ability to maintain the state of physiological and psychosocial homeostasis. In such cases it is necessary to provide the patients with integrated care based on the support of the environment and the latest technology. Providing the residents of Lower Silesian Province with high quality of life, adjusting social services to residents’ needs, and social integration alone are compliant with The Strategy of Social Integration in Lower Silesia. For that reason, supporting such patients with technology in Lower Silesia was started with the CareWell and WRP® pilot projects. The use of the latest technologies requires a social campaign, media-distributed information, and awakening social interest or even a trend related to their use. It will allow the refining of new services, reduce costs and improve safety for people. Instead of costly specialist care, elderly patients will receive individualized care located within the environment, which will be less costly but more intensive. The FOCUS project deals with reducing the frailty syndrome load in the population of elderly Founpeople in Europe, taking note of enhancing the environmental support. The purpose of the SUNFRAIL project is to improve the identification, prevention and management of frailty, and care of multimorbidity by regional centers and institutions in EU countries of people aged 65 years and over living in the local community.
Zachowania dobrostanu i samodzielności przez osoby starsze wynika z wdrażania zasad „dobrego starzenia się” opartego na aktywności i uczestnictwie w życiu zawodowym i społecznym oraz promocji zdrowego stylu życia. Coraz większe znaczenie przypisuje się rozpowszechnieniu zespołu słabości wśród pacjentów w wieku podeszłym. Pacjenci ci charakteryzują się zwiększoną wrażliwością na bodźce, upośledzoną zdolnością do radzenia sobie z wewnętrznymi i środowiskowymi czynnikami stresogennymi, a także posiadają ograniczoną zdolność do utrzymania stanu fizjologicznej i psychospołecznej homeostazy W takich przypadkach konieczne jest wsparcie pacjentów opieką zintegrowaną polegającą na wsparciu środowiska oraz najnowszej technologii. Zapewnienie mieszkańcom województwa dolnośląskiego wysokiej jakości życia, dopasowanie usług społecznych do potrzeb mieszkańców oraz sama integracja społeczna są zgodne ze Strategia Integracji Społecznej na Dolnym Śląsku. Dlatego też, na Dolnym Śląsku wsparcie takich pacjentów technologią, zostało zapoczątkowane pilotażem projektu CareWell i WRP®. Zastosowanie nowych technologii wymaga kampanii społecznej, informacji w mediach i wzbudzenia społecznego zaciekawienia, wręcz mody na ich stosowanie. Pozwoli to na doskonalenie nowych usług, obniżenie kosztów i poprawę bezpieczeństwa ludzi. W miejsce kosztownej opieki specjalistycznej pacjenci w wieku podeszłym uzyskują opiekę indywidualizowaną, lokowaną w środowisku, mniej kosztowną lecz bardziej intensywną. Projekt FOCUS zajmuje się zmniejszeniem obciążenia zespołem słabości w populacji osób w wieku podeszłym w Europie z uwzględnieniem wzmocnienia wsparcia środowiskowego. Celem projektu SUNFRAIL jest poprawa identyfikacji, zapobiegania i zarządzanie zespołem słabości oraz opieką nad wielochorobowością wśród osób po 65 roku życia mieszkających w społeczności lokalnej przez regionalne ośrodki i instytucje krajów UE.
Źródło:
Medical Science Pulse; 2017, 11, 1
2544-1558
2544-1620
Pojawia się w:
Medical Science Pulse
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A CORPUS-BASED FOCUS ON ESP TEACHING
Autorzy:
Fuentes, Alejandro Curado
Powiązania:
https://bibliotekanauki.pl/articles/941185.pdf
Data publikacji:
2006
Wydawca:
Uniwersytet Marii Curie-Skłodowskiej w Lublinie. IATEFL Poland Computer Special Interest Group
Opis:
The conjunction of lexical analysis and information technology has often led to the design of specialized material. In my Computer and Business English courses at tertiary level, this scope has enabled a certain degree of experimentation with corpusbased lexical information. This paper describes the main results derived from one year of teaching ESP with a focus on electronic corpora. The main conclusions point to the observation of positive and negative factors in terms of language acquisition, leading to the planning and design of corpus technology priorities.
Źródło:
Teaching English with Technology; 2006, 6, 4
1642-1027
Pojawia się w:
Teaching English with Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Installations based on high efficiency high repetition rate miniature DPF chambers for material science
Autorzy:
Dubrovsky, A.
Gribkov, V.
Powiązania:
https://bibliotekanauki.pl/articles/146795.pdf
Data publikacji:
2000
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
dense plasma focus (DPF)
miniature focus chamber
PF instalation
Opis:
The report describes two DPF installations based on a miniature plasma focus chamber: the installation PF-3 of the energy store W = 3 kJ and the installation PF-0.2 (W = 200 J). The possibility of an adaptation of the small DPF device for the experimental samples irradiation is reported. A new construction intended for experiments with samples of various materials is presented.
Źródło:
Nukleonika; 2000, 45, 3; 159-162
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
From Focus on Sounds to Focus on Words in English Pronunciation Instruction
Autorzy:
Szpyra-Kozłowska, Jolanta
Stasiak, Sławomir
Powiązania:
https://bibliotekanauki.pl/articles/620810.pdf
Data publikacji:
2010-09-30
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:
English pronunciation/phonetics
phonetically difficult words
phonetic priorities
teaching English pronunciation
Opis:
The paper addresses a very important aspect of Polish-accented English, namely the issue of frequent phonetic errors made by Polish learners which do not result from their inability to produce foreign sounds correctly, but which stem from various interference factors (e.g foreign pronounced as [fo'rejn]). Following Szpyra-Kozłowska's (in press a) claims that such errors hinder successful communication far more than other segmental and suprasegmental inaccuracies and should thus be treated as a top pedagogical priority, what is suggested is a shift in phonetic instruction from the focus on the production of sounds and prosodies to the focus on the pronunciation of problematic words. Our major goal is to demonstrate how this proposal can be implemented in the language classroom.The authors present a report on the experiment in which a group of 25 Polish secondary school pupils has undergone a special training in the pronunciation of 50 commonly mispronounced words with the use of special, teacher-designed materials. The effectiveness of the employed procedure as well as the pupils' reactions to it are examined and pedagogical conclusions are drawn.
Źródło:
Research in Language; 2010, 8; 1-12
1731-7533
Pojawia się w:
Research in Language
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Studies on a low energy plasma focus discharge
Autorzy:
Allam, T. M.
Abd El-Latif, S. T.
Soliman, H. M.
Powiązania:
https://bibliotekanauki.pl/articles/146872.pdf
Data publikacji:
2007
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
plasma focus
plasma sheath dynamics
magnetic force
focusing action
Opis:
This paper is devoted to the experimental and theoretical study of plasma current sheath behavior for a low energy plasma focus device operating at a filling nitrogen gas pressure of 3.3 torr, and at a stored energy of 1.2 kJ. Axial distribution profiles of plasma current sheath (PCS) characteristics such as propagation velocity Vz, acceleration az, azimuthal magnetic field induction Btheta, and magnetic force per unit volume Fz/m3 along the coaxial electrodes system was performed from a magnetic probe and miniature Rogovsky coil signals. The experimental results showed that the axial distribution of Vz, az, Btheta and Fz has approximately the same profile and the maximum value of these parameters was detected nearly at a mid-distance of coaxial electrodes system. Theoretical description of PCS dynamics at the axial phase, based on a snowplough, was estimated as a function of discharge time. These data were compared with the received experimental results.
Źródło:
Nukleonika; 2007, 52, 3; 87-91
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Exploring The Link Between Focus Strategies and Customer Relationship of Small and Medium Enterprises
Autorzy:
Akpoviroro, Kowo Solomon
Olalekan, Akinrinola
Owotutu, Sabitu Olalekan
Powiązania:
https://bibliotekanauki.pl/articles/1163845.pdf
Data publikacji:
2018
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Competitive Strategies
Customer Relationship
Focus Strategies
SMEs
Opis:
The study critically examined the influence of focus Strategies on customer relationship of SMEs. The objective of the study is to investigate the degree of influence that focus strategy has on Customer Relationship of SMEs. Series of questions were asked using the questionnaire adopted by the researcher and hypotheses was proposed and tested in the study. To determine the influence of focus Strategies on customer relationship of Small and Medium Enterprises, a sample of 125 were drawn. The data were analyzed using simple frequency tables and regression analysis. The study found out that focus strategy would affect customer relationship of small and medium enterprises. The study recommended that focus Strategies should be adopted in a way that would boost the performance of the SMEs in general and enterprises should make sure that their management adopts focus strategy for organizational efficiency and performance.
Źródło:
World Scientific News; 2018, 108; 53-64
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Critical incidents in multilingual language learning: content focus
Autorzy:
Gabryś-Barker, D.
Powiązania:
https://bibliotekanauki.pl/articles/577203.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Opis:
Any language learning process is a complex phenomenon as it occurs on the cognitive, affective and socio-cultural levels. The interrelatedness of them all and the contextually-determined way in which they interact make language learning experiences unique to individuals. The context in which more than two languages are learnt adds to its complexity. This article examines what multilingual language users perceive as meaningful in two different contexts of language learning: L2 versus L3. Although unique, these two processes exhibit a fair degree of homogeneity, for example in terms of one`s coping potential as the major appraisal value both in L2 and L3 learning and growing negativity about language learning in later stages of life in L3 learning.
Źródło:
Linguistica Silesiana; 2013, 34
0208-4228
Pojawia się w:
Linguistica Silesiana
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Tomographic system based on Plasma Focus X-rays
Autorzy:
Venere, M.
Moreno, C. H.
Clausse, A.
Barbuzza, R.
Del Fresno, M.
Powiązania:
https://bibliotekanauki.pl/articles/147461.pdf
Data publikacji:
2001
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
defectoscopy
image processing
plasma focus applications
tomographic reconstruction
X-rays
Opis:
A system oriented to develop an image processing system, which takes advantage of radiation flashes from a plasma focus, by optimizing the emission-detection-reconstruction procedure, is presented. A computer technique for 3D reconstructions was combined with radiographic images of objects X-rayed with a compact plasma focus. The technique is able to automatically determine the position of the rotation axis, reconstruct the 3D-attenuation map, and display inner cuts. The system was demonstrated in introspective tomographic imaging of a stainless steel BNC elbow.
Źródło:
Nukleonika; 2001, 46, suppl. 1; 93-94
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Study of deuteron motion in a filamentary Plasma-Focus pinch column for different configurations of filaments
Autorzy:
Pasternak, A.
Sadowski, M.
Powiązania:
https://bibliotekanauki.pl/articles/146934.pdf
Data publikacji:
2001
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
deuterons
filamentary pinch
ion trajectories
numerical modeling
plasma focus
Opis:
The motion of deuterons in dynamical filamentary configurations of a PF pinch column has been studied with a three-dimensional numerical model. Apart from magnetic fields, the motion-induced electrical fields as well as ion-ion and ion-electron collisions have been included in the equations of deuteron motion. Calculations were performed for different numbers of filaments and its spatial distributions under different initial conditions. Energy of ions was assumed to be from 10 keV up to 200 keV. The results obtained have shown many possible modes of ion motion and have demonstrated that the current filaments can cause peculiarities observed in the angular distribution of deuterons emitted from the PF pinch column.
Źródło:
Nukleonika; 2001, 46, suppl. 1; 29-32
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Recent progress in 1 MJ Plasma-Focus research
Autorzy:
Scholz, M.
Karpiński, L.
Paduch, M.
Tomaszewski, K.
Miklaszewski, R.
Szydlowski, A.
Powiązania:
https://bibliotekanauki.pl/articles/147553.pdf
Data publikacji:
2001
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
neutron emission
plasma focus
scaling laws
soft X-ray radiation
Opis:
The paper reports on actual operational characteristics of the PF-1000 facility and it presents results of the first neutron experiments performed with a new set of large Mather-type electrodes, which were designed for shots up to 1000 kJ. Dynamics of a current-sheath was studied by means of two high-speed streak cameras and a two-frame camera. The last one was used for the side-on observation of the pinch column. The high-speed streak pictures were taken side-on behind slits oriented in the radial or axial direction. On the basis of the pictures taken behind the radial slit, average values of the radial compression and expansion velocities were estimated. Time-resolved X-ray signals were measured with PIN diodes covered by different filters, and they were compared with other traces (voltage waveforms, dI/dt signals, and neutron-induced pulses) in order to determine their correlation. The total neutron yield (Ytot), i.e. the number of neutrons produced during a single discharge and emitted in various directions, was measured by means of several silver-activation detectors placed at different angles around the PF-1000 experimental chamber.
Źródło:
Nukleonika; 2001, 46, 1; 35-39
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Preliminary study on X-ray source from Plasma Focus device for fast radiography
Autorzy:
Da Re, A.
Mezzetti, F.
Tartari, A.
Verri, G.
Rapezzi, L.
Gribkov, V. A.
Powiązania:
https://bibliotekanauki.pl/articles/147243.pdf
Data publikacji:
2001
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
plasma focus
X-ray sources
Opis:
Plasma derived flash X-ray sources may find potential applications in medicine and industry. Notwithstanding, as is the case of Plasma Focus (PF) devices, their characterisation in term of photon energy, temporal and spatial beam stability is far to be considered satisfactory. In this work, a radiographic approach, which avoids the effects caused by the intrinsic instability of the pinch output of a PF machine, is proposed and an attenuation curve can be attained even in presence of Xray emission instability. Using two radiographic films for each shot exposition symmetrically positioned and collimated to the pinch region the mean energy of the photons in the X-ray beam are evaluated. The X-ray emission symmetry from the pinch region was then utilised to control the validity of the proposed methodology.
Źródło:
Nukleonika; 2001, 46, suppl. 1; 123-125
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Progress in MJ plasma focus research at IPPLM
Autorzy:
Scholz, M.
Karpinski, L.
Krauz, V. I.
Kubeš, P.
Paduch, M.
Sadowski, M. J.
Powiązania:
https://bibliotekanauki.pl/articles/147514.pdf
Data publikacji:
2012
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
plasma focus
PF-1000 facility
magnetic probes
interferometry
neutron yield scaling
Opis:
The results of studies of the plasma dynamics and neutron emission on a PF-1000 facility in the stage of pinch formation are presented. The measurements were performed using various modifications of the calibrated magnetic probes, 16 frame interferometry, silver activation counters and photomultiplier tube (PMT) neutron probes. The current measurements at a distance of 40 mm from the axis of the electrodes was measured. This dependence agrees well with the known scaling, Yn similar to I4. The evolution plasma density during pinch formation and a neutron emission were study.
Źródło:
Nukleonika; 2012, 57, 2; 183-188
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On possible formulation of problems of a Dense Plasma Focus used in material sciences
Autorzy:
Gribkov, V.
Powiązania:
https://bibliotekanauki.pl/articles/146787.pdf
Data publikacji:
2000
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
cumulative plasma streams
dense plasma focus (DPF)
electron beam
ion beam
material sciences
neutrons
X-rays
Opis:
The paper describes various possibilities at can be given by the use of dense plasma focus (DPF) device in material sciences. Main distinguishing features of such a device – availability of several different types of hard radiation and its high power flux density – determine the niche of applications of this type devices in the field. Some directions of materials investigation and treatment, which can be developed at present time, are discussed.
Źródło:
Nukleonika; 2000, 45, 3; 149-153
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Investigation of Plasma Focus discharges in the PF-360 facility with additional D2 gaspuffed targets
Autorzy:
Stanislawski, J.
Baranowski, J.
Sadowski, M.
Zebrowski, J.
Powiązania:
https://bibliotekanauki.pl/articles/147013.pdf
Data publikacji:
2001
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
current sheath
deuteron beams
gas puffing
neutron yield
plasma focus
Opis:
The paper describes experimental studies of Plasma-Focus (PF) discharges carried out within the modernized PF- 360 facility, which was operated with an additional D2-gas puffing into the region of the collapsing current sheath and PF pinch formation, i.e. into space in front of the electrode outlet. The main aim of these studies was to increase a neutron yield from PF discharges by using fast deuteron beams, which are usually emitted from a pinch column and which can interact with additional D2-gas target.
Źródło:
Nukleonika; 2001, 46, suppl. 1; 73-75
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Experimental study of X-ray emission yield in a Filippov-type Plasma Focus operating in neon and neon-krypton mixture
Autorzy:
Babazadeh, A.
Roshan, M.
Kiai, S.
Powiązania:
https://bibliotekanauki.pl/articles/147028.pdf
Data publikacji:
2002
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
Filippov-type plasma focus
gas admixture
X-ray
Opis:
Since the installation of PF-DENA at AEOI about one year ago, we performed quantitative studies of variation of X-ray radiations from a new Filippov-type plasma focus device: Dena (90 kJ, 25 kV, 288 ěF). The operating gas was neon at a constant low pressure of 1 torr and different pressures of krypton admixture (up to 0.3 torr), with the discharge voltage up to 18 kV. For a charging voltage of 17 kV with 41 kJ stored energy and spark gap pressure of 1.2×10-2 torr, the maximum soft and little hard X-ray (SXR-HXR) emission is found for the neon, resulting in a total SXR yield of 2 V/shot measured by silicon semiconductor diode detectors. Concerning the effect of krypton admixture, a maximum intensity of SXR radiation has been observed at low krypton pressure that is about 1 V/shot. At higher pressure, the quantity of the SXR emission decreases down to zero. However, the maximum intensity of the HXR radiation yield in the same pressure range was found to be 2.5 V/shot. By increasing the pressure of krypton up to 0.3 torr, the results show that the krypton admixture gas generally causes, a decrease of the SXR radiation yield down to zero, whereas, the HXR emission yield carries a maximum value at the optimum pressure of krypton that is about 0.1 torr. Nevertheless, the pressure increments of krypton admixture lead to decreasing in the discharge voltage for the maximum X-ray production.
Źródło:
Nukleonika; 2002, 47, 3; 123-125
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of dense deuterium plasma pulses on materials in Plasma Focus device
Autorzy:
Ivanov, L.
Pimenov, V.
Maslyaev, S.
Dyomina, E.
Gribkov, V.
Mezzetti, F.
DeChiara, P.
Powiązania:
https://bibliotekanauki.pl/articles/146708.pdf
Data publikacji:
2000
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
high-temperature plasma
material science
plasma focus
Opis:
Experiments on the influence of high-temperature plasma nanosecond pulse radiation, as generated in plasma focus device, on the W-Cu pseudoalloy, V-35at%Ti alloy, austenitic chromium-manganese 10Cr12Mn20W and 25Cr12Mn20W steels have been carried out. Features of damages, phase-structural transformations and chemical content changes in those materials under such irradiation were investigated.
Źródło:
Nukleonika; 2000, 45, 3; 203-207
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Pinch modes in the SPEED2 plasma focus
Autorzy:
Kies, W.
Decker, G.
Berntien, U.
Sidelnikov, U.
Glushkov, D.
Koshelev, K.
Simanovskij, D.
Bobashev, S.
Powiązania:
https://bibliotekanauki.pl/articles/146993.pdf
Data publikacji:
2001
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
pinch plasma
pinch stability
plasma focus
plasma radiation
radiation source
Opis:
Deuterium discharges in the SPEED2 plasma focus (80 kJ, 200 kV, 2 MA, 400 ns) have been found unexpectedly stable within the operational regime as a neutron source. Only at higher filling pressures (above 6 mbar) sometimes m=0 instabilities appeared in the pinch column, especially in discharges of lower efficiency (moderate dynamics and neutron yield). Enhancing the electromagnetic radiation by doping these discharges with heavy gases (e.g. neon, argon) distinctly two pinch modes are produced, the micropinch mode (MPM) or the stable column mode (SCM), with a transition regime where the initial SCM is followed by the MPM. Micropinches are local radiative collapses initiated by m=0 instabilities of low-energy- density pinch plasmas. These instabilities and the successive micropinches can be suppressed by kinetic deuterons produced during dynamical compression of high-energy-density deuterium plasma sheaths. Depending on the relaxation of this fast deuteron component the pinch column can be stabilized for several tens of nanoseconds. While the short-lived (appr. 1 ns) micropinches erratically appear as point-like successive flashes along the pinch axis with temperatures about 1 keV and about solid density the reproducible SCM, optimized with respect to the compression ratio, forms a powerful linear radiation source of temperatures and densities similar to the MPM. The SCM needs powerful (fast) drivers in order to use the kinetic ion stabilization, but not necessarily MA currents as available from the SPEED2 driver. This opens the possibility to establish the SCM also in compact experiments like SPEED3 (8 kJ, 80 kV, 0.8 MA, 300 ns) or even SPEED4 (2 kJ, 40 kV, 250 kA, 300 ns).
Źródło:
Nukleonika; 2001, 46, 1; 9-14
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Measurements of fast electron beams and soft X-ray emission from plasma-focus experiments
Autorzy:
Surała, W.
Sadowski, M. J.
Kwiatkowski, R.
Jakubowski, L.
Żebrowski, J.
Powiązania:
https://bibliotekanauki.pl/articles/147850.pdf
Data publikacji:
2016
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
electron beams
X-ray emission
plasma focus
hot spots
Opis:
The paper reports results of the recent experimental studies of pulsed electron beams and soft X-rays in plasma-focus (PF) experiments carried out within a modifi ed PF-360U facility at the NCBJ, Poland. Particular attention was focused on time-resolved measurements of the fast electron beams by means of two different magnetic analyzers, which could record electrons of energy ranging from about 41 keV to about 715 keV in several (6 or 8) measuring channels. For discharges performed with the pure deuterium fi lling, many strong electron signals were recorded in all the measuring channels. Those signals were well correlated with the fi rst hard X-ray pulse detected by an external scintillation neutron-counter. In some of the analyzer channels, electron spikes (lasting about dozens of nanoseconds) and appearing in different instants after the current peculiarity (so-called current dip) were also recorded. For several discharges, fast ion beams, which were emitted along the z-axis and recorded with nuclear track detectors, were also investigated. Those measurements confi rmed a multibeam character of the ion emission. The time-integrated soft X-ray images, which were taken side-on by means of a pinhole camera and sensitive X-ray fi lms, showed the appearance of some fi lamentary structures and so-called hot spots. The application of small amounts of admixtures of different heavy noble gases, i.e. of argon (4.8% volumetric), krypton (1.6% volumetric), or xenon (0.8% volumetric), decreased intensity of the recorded electron beams, but increased intensity of the soft X-ray emission and showed more distinct and numerous hot spots. The recorded electron spikes have been explained as signals produced by quasi-mono-energetic microbeams emitted from tiny sources (probably plasma diodes), which can be formed near the observed hot spots.
Źródło:
Nukleonika; 2016, 61, 2; 161-167
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Studies of Plasma-Focus discharges within the PF-360 facility equipped with needle D2O-ice target
Autorzy:
Baranowski, J.
Jakubowski, L.
Sadowski, M.
Zebrowski, J.
Powiązania:
https://bibliotekanauki.pl/articles/147583.pdf
Data publikacji:
2001
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
cryogenic target
current sheath
neutrons yield
plasma focus
X-ray
Opis:
The paper describes a new technique which has been investigated in order to overcome the neutron saturation effect and to increase the neutron yield from the plasma-focus (PF) discharges [1]. The PF-360 experimental facility was constructed at the Andrzej Soltan Institute for Nuclear Studies (IPJ) in Swierk, Poland in the late 70s [4, 5]. Recently in order to improve the neutron yield from the PF-360 machine, it was proposed to use a cryogenic deuterium target, which might be placed within the plasma-focus region. For this purpose, we have been made a needle-like cryogenic target covered with a thin „heavy-ice“ layer. A considerable increase in the average neutron yield (from 1.7×1010 to about 2.2×1010 neutrons/shot) has been achieved for 122 kJ PF discharges when the needle target top was placed at a distance of about 100 mm from the electrode ends.
Źródło:
Nukleonika; 2001, 46, suppl. 1; 69-71
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Fusion reaction scaling in a mega - amp dense plasma focus
Autorzy:
Lerner, E. J.
Murali, S. K.
Blake, A. M.
Shannon, D. M.
van Roessel, F. J.
Powiązania:
https://bibliotekanauki.pl/articles/147522.pdf
Data publikacji:
2012
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
dense plasma focus (DPF)
fusion reaction scaling
neutron yield saturation
Opis:
The dense plasma focus (DPF) is one of the most efficient sources of fusion reactions for a given energy input. For smaller DPFs, fusion output scales as I4 or faster, where I is peak current. However, energy output in high-current machines saturates at 1012 reactions with deuterium as fill gas. To attempt to overcome this saturation, experiments at the focus fusion-1 (FF-1) facility have tested the use of smaller-radius electrodes (2.8 cm radius anode) and higher fill-gas densities more than 30 T.
Źródło:
Nukleonika; 2012, 57, 2; 205-209
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Fokus: technika i jej zastosowanie w badaniach edukacyjnych
Focus Group Interview: the Technique and its Application in Social Research
Autorzy:
Banaszak, Sławomir
Powiązania:
https://bibliotekanauki.pl/articles/913157.pdf
Data publikacji:
2017-09-15
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
methodology of social sciences
research methods in social sciences
focus group interview
data collection techniques
Opis:
A Focus group interview (FGI), the focused group, focus groups or just focus are the definitionsof data collection techniques which, after several decades of development, have become an important part of research plans in social sciences. Placing the focus on communication techniques leads us to combine analyses consisting of interview and observation. It also raises the question whether the focus, which by definitioncombines and directly expresses the strengths and weaknesses of communication techniques and the strengths and weaknesses of observation techniques, allows achieving some kind of methodological synergy. In addition, the essence of measurement in science and – more closely – in social sciences seems to be an important context for the empirical functioning of the focus and for researchers preferring this technique of data collection.
Źródło:
Studia Edukacyjne; 2017, 45; 19-27
1233-6688
Pojawia się w:
Studia Edukacyjne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ultrafast X-ray introspective imaging of metallic objects using a Plasma Focus
Autorzy:
Moreno, C. H.
Clausse, A.
Martínez, J. F.
Llovera, R.
Tartaglione, A.
Powiązania:
https://bibliotekanauki.pl/articles/146595.pdf
Data publikacji:
2001
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
dense plasmas
electrical discharges
plasma focus
X-ray imaging
X-rays
Opis:
A compact-chamber 4.7 kJ, 30 kV, Plasma Focus operated in deuterium was used as a ultrafast high intensity radiation source for introspective radiographic imaging of metallic objects. The samples to be imaged were located outside the Plasma Focus chamber, about 1 m away from the chamber wall. A high-sensitivity, fast-response commercial radiographic film was used as a X-ray detector. Experimentally obtained images are presented showing a very high penetration power of the X-ray beam, demonstrating that the presented compact-chamber Plasma Focus is suited for introspective visualisation of pieces manufactured on metal.
Źródło:
Nukleonika; 2001, 46, suppl. 1; 33-34
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Leisure theology with a special focus on rest theology
Autorzy:
Ostrowski, Maciej
Powiązania:
https://bibliotekanauki.pl/articles/668339.pdf
Data publikacji:
2017
Wydawca:
Uniwersytet Papieski Jana Pawła II w Krakowie
Tematy:
Theology
leisure
rest
Opis:
The author performs an analysis of „theological places” („loci theologici”), as the basis on which leisure theology can be developed. These are: time theology (a linear concept of time, which means that time is a gift to man, if properly used), freedom theology (freedom not as a discharge from obligations but as the possibility to do good), new creation theology (renewal made by the redemptive work of Christ), joy theology (joy of gifts of nature, community with other person, being granted God’s grace), feast theology (time given to a man in order that he could turn to supernatural matters). The author develops ‘rest theology’ extensively as one of the fundamental forms of spending free time. He searches for sources in numerous biblical texts, where this term has been used. Furthermore, he interprets, among others, how to understand God’s rest after he created the world, and how his repose becomes an example to follow for a human being. Moreover, the author explains what the final repose is to be for a person, and how man, living on earth, anticipates an eschatological rest.
Źródło:
The Person and the Challenges. The Journal of Theology, Education, Canon Law and Social Studies Inspired by Pope John Paul II; 2017, 7, 2
2391-6559
2083-8018
Pojawia się w:
The Person and the Challenges. The Journal of Theology, Education, Canon Law and Social Studies Inspired by Pope John Paul II
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Optyczna metoda rekonstrukcji geometrii zębów – Focus Variation
Optical method of reconstruction of tooth’s geometry
Autorzy:
Burek, J.
Bazan, A.
Płodzień, M
Turek, P.
Powiązania:
https://bibliotekanauki.pl/articles/152692.pdf
Data publikacji:
2013
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
metrologia
optyka
ostrość
pomiar
implant
ząb
korona
metrology
optical
focus variation
measurement
tooth
crown
Opis:
W artykule przedstawiono innowacyjną i niezależną optyczną metodę pomiaru geometrii Focus Variation, jako alternatywę dla aktualnie stosowanych rozwiązań wykorzystywanych w pomiarach biomodeli. Opisana metoda pomiarowa, umożliwia rekonstrukcję obiektów o niewielkich gabarytach i o skomplikowanej geometrii powierzchni. Dokonano analizy dokładności wykonania rekonstrukcji geometrii na przykładzie koron zębów. Uzyskane wyniki w ponad 80 procentach mieszczą się w granicach +-71 μm co świadczy o przydatności metody w zastosowaniach dentystyczno-stomatologicznych.
This paper describes the principle of operation of the focus variation method used for optical 3D measurements. The goal of investigations was to analyse the quality of surface reconstruction of the tooth crown geometry and the usefulness of the method in the dental industry. The focus variation method combines the small depth of focus of an optical system with vertical scanning to provide topographical and colour information resulting from the variation of focus [5]. Fig. 2 shows the schematic diagram of a measuring system based on the focus variation method. It is possi-ble to measure surface points with high trueness using coordinate measuring machines (CMMs). However, limitation in the scanning speed as well as not accurate enough measurement of freeform surfaces such as fissure lines and interproximal areas make the access of the measuring probe to these places impossible. The measurement inaccuracy is due to the geometric size and shape of the tip of the stylus (probe) [3]. The results of the report (Fig. 5) are satisfactory for modeling so small and complex surfaces which are free crowns of the teeth. The focus variation method introduces new, more accurate scanning capabilities of the premises used in the dental industry.
Źródło:
Pomiary Automatyka Kontrola; 2013, R. 59, nr 10, 10; 1133-1135
0032-4140
Pojawia się w:
Pomiary Automatyka Kontrola
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Dense Plasma Focus as a powerful source of monochromatic X-ray radiation
Autorzy:
Dubrovsky, A.
Gribkov, V.
Ivanov, Y.
Karpiński, L.
Orlova, M.
Powiązania:
https://bibliotekanauki.pl/articles/147444.pdf
Data publikacji:
2006
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
dense plasma focus (DPF)
X-ray generation
X-ray dosimetry
exposure dose
absorbed dose
Opis:
A review of some experimental results obtained using the dense plasma focus (DPF) device PF-1000 is presented. The copper Ka1,2 radiation line generated by DPF in the case of device anode made of copper was the main object of this study. The predominance of this characteristic radiation over other kinds of radiation in the DPF X-ray spectrum is shown. A brief description of a new DPF 6.0 device as well as a radioenzymology experiment carried out within this device is presented.
Źródło:
Nukleonika; 2006, 51, 1; 21-28
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On tuning mechanisms of DPF devices
Autorzy:
Tsybenko, S.
Miklaszewski, R.
Powiązania:
https://bibliotekanauki.pl/articles/146799.pdf
Data publikacji:
2000
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
instability
nonlinear dynamics
plasma focus
Opis:
A global instability theory of pinching plasmas allows us to justify the well-known empirical facts of the use of a mismatched dense plasma focus (DPF) and heavy inert gas admixtures. We assume that an instability of tangential discontinuity is responsible for the instability of a current-carrying plasma column. To inhibit development of a tangential discontinuity in a plasma focus, an array of insulator fibers or metallic wires placed on the anode near the axis of a discharge camera can be used.
Źródło:
Nukleonika; 2000, 45, 3; 163-165
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A method for the determination of spatial electron density distribution in great Plasma-Focus devices
Autorzy:
Kasperczuk, A.
Paduch, M.
Pisarczyk, T.
Tomaszewski, K.
Powiązania:
https://bibliotekanauki.pl/articles/147148.pdf
Data publikacji:
2002
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
bremsstrahlung radiation
electron density distribution
frame optical camera
plasma-focus device
plasma radiation intensity
shadowgraphy
Opis:
Determination of the electron density of plasma generated in a great plasma-focus device by means of interferometry is very difficult or sometimes impossible. In order to determine spatial electron density distributions of plasma in a PF-1000 device, a special method was prepared, with the use of plasma images obtained by means of both an optical frame camera and shadowgraphy. Analysis of plasma radiation in the very narrow Äë = 60 Ĺ optical range allowed us to determine the relation between intensity of the plasma radiation and the electron density. It was also shown that the influence of electron temperature on plasma radiation is not large. The presented method allowed us to obtain spatial electron density distributions of plasma (in relative units) in the PF-1000 device. By means of this method a number of important information about the plasma-focus phenomenon was obtained.
Źródło:
Nukleonika; 2002, 47, 1; 23-26
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Stellungsmöglichkeiten der Fokuspartikel nur / tylko und ihr Verhältnis zum Bezugsausdruck – im Deutschen und Polnischen
Autorzy:
Jaremkiewicz-Kwiatkowska, Anna
Powiązania:
https://bibliotekanauki.pl/articles/458765.pdf
Data publikacji:
2018
Wydawca:
Uniwersytet Wrocławski. Oficyna Wydawnicza ATUT – Wrocławskie Wydawnictwo Oświatowe
Tematy:
information structure
focus particle domain
structural integration of focus particle
Informationsstruktur(ierung)
Bezugsausdruck von FPn
die strukturelle Integration von FPn
Opis:
Possibilities of Positioning Focus Particles nur/tylko in German and Polish and their Relation to the Domain Focus particles are distinctively characterized by their capability of changing positions in a sentence. Any change of the position involves a change in the sentence intonation and meaning. In German, focus particles can, as a rule, be attached to any type of the XP phrase, such as DP, PP, AP, VP, or CP. What can be identified as the domain depends on the structural integration of the particle in the sentence. The recognition of the domain is a prerequisite for a correct interpretation of a sentence. The present paper, using the findings of research on the focus particle nur, studies the positioning of the particle ‚tylko‘ in the sentence and its relation to the domain based on the National Corpus of Polish (NKJP).
Eine besondere Eigenschaft von FPn ist Variabilität ihrer syntaktischen Positionen im Satz. Den verschiedenen Stellungsmöglichkeiten folgen unterschiedliche Akzentmuster wie auch Bedeutungsunterschiede. Im Deutschen können sich Fokuspartikeln grundsätzlich mit jeder X-bar-Phrase verbinden. Von der Art der strukturellen Einbettung hängt es ab, welcher Teil einer Äußerung als Bezugsausdruck der Fokuspartikel identifiziert wird, was wiederum für die korrekte Interpretation eines Fokuspartikelsatzes entscheidend ist. Der vorliegende Beitrag untersucht kontrastiv zu dem Deutschen die Positionierungsmöglichkeiten der polnischen Fokuspartikel tylko sowie ihr Stellungsverhalten zum Bezugsausdruck. Der Analyse wurden hierbei Sätze des nationalen Korpus der polnischen Sprache (NKJP) unterzogen.
Źródło:
Linguistische Treffen in Wrocław; 2018, 14; 207-219
2084-3062
2657-5647
Pojawia się w:
Linguistische Treffen in Wrocław
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Fast Neutron Activation Analysis of gold by inelastic scattering, 197Au(n,ngamma)197Aum, by means of Plasma Focus device
Autorzy:
Verri, G.
Mezzetti, F.
Da Re, A.
Rapezzi, L.
Gribkov, V.
Powiązania:
https://bibliotekanauki.pl/articles/146754.pdf
Data publikacji:
2000
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
activation
gold
neutron
plasma focus
Opis:
The application of a Fast Neutron Activation Analysis (FNAA) technique on samples of pure gold, irradiated by a plasma focus of 7 kJ, has been investigated. The reaction was the inelastic scattering of neutrons, 197Au(n,n'gamma)197Aum. To avoid problems connected with peculiar features of the neutron emission from this kind of source, a preliminary standardisation of the method has been carried out. The results obtained have a practical interest in view of possible applications to the technology of extraction of minerals.
Źródło:
Nukleonika; 2000, 45, 3; 189-191
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Studies of Plasma-Focus discharges within the PF-360 facility equipped with a planar D2O-ice target
Autorzy:
Zebrowski, J.
Baranowski, J.
Jakubowski, L.
Sadowski, M.
Powiązania:
https://bibliotekanauki.pl/articles/147057.pdf
Data publikacji:
2001
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
cryogenic target
ion beams
neutron yield
plasma focus
X-rays
Opis:
The paper reports on investigations of dense magnetized plasmas produced within a modernized PF-360 facility, which was operated with an additional planar cryogenic target placed in the front of the electrode outlet and covered with D2O-ice layers. The main aim of these studies was to overcome the neutron saturation effect and to increase the maximum neutron yield from PF discharges by using fast deuteron beams. Such beams are usually emitted from a pinch region and can produce fast neutrons from D-D reactions during their interactions with the additional target.
Źródło:
Nukleonika; 2001, 46, suppl. 1; 65-68
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Focus Group Interviews Employed in the Research Analysing Young Adults’ Behaviour on the Market of Alternative Means of City Transport
Autorzy:
Szymańska, Anna Irena
Powiązania:
https://bibliotekanauki.pl/articles/1193110.pdf
Data publikacji:
2020-09-28
Wydawca:
Uniwersytet Pedagogiczny im. Komisji Edukacji Narodowej w Krakowie
Tematy:
alternative city transport
carsharing
FGI
focus group interview
ride-sourcing
sharing economy
vehicle-sharing
Opis:
Shared transportation, directly corresponding to research on the sharing economy, is an important issue, directly linked with the issue of city transport, as well as that of alternative transport when analysed from a broader perspective. Forms of alternative city transport may be classified into two basic groups, different in terms of the manner in which they use their shared vehicles. It is either ride-sourcing or vehicle-sourcing (further broken down to car-sharing, bike-sharing and scooter-sharing). All the above-specified forms require access to a mobile app or a website and, consequently, some Internet and app-using skills, so it is obvious that they are predominantly used by young people. The fact prompted the author to research consumer behaviour in the sharing economy area among young people, who are regular users of the public transport available in Krakow. The research was conducted on a group of 96 respondents using qualitative method (FGI). The objective of the research was to identify the factors which determine some specific mobile behaviours in young adults in the area of alternative forms of the public transport, as well as identification of these forms of transport which are preferred and most popular among users. With all certainty, alternative forms of transport represent an attractive transportation offer addressed to young people, complementing the city transport system. Young people pointed to the particular importance of hedonistic factors prevailing n their choices, as they particularly appreciated reaching their destination in a fast, pleasant and comfortable anner, as well as the feeling of independence and freedom. However, alternative transport was certainly not hosen for reasons related to the environmental protection or economic aspects.
Źródło:
Prace Komisji Geografii Przemysłu Polskiego Towarzystwa Geograficznego; 2020, 34, 3
2080-1653
Pojawia się w:
Prace Komisji Geografii Przemysłu Polskiego Towarzystwa Geograficznego
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zastosowanie wywiadów fokusowych w badaniach nad pamięcią zbiorową
Focus Interviews in Collective Memory Research
Autorzy:
Skoczylas, Łukasz
Brzezińska, Anna Weronika
Fabiszak, Małgorzata
Powiązania:
https://bibliotekanauki.pl/articles/623280.pdf
Data publikacji:
2016-11-30
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:
pamięć i tożsamość zbiorowa
badania fokusowe
dziedzictwo kulturowe
collective memory
collective identity
focus interviews
cultural heritage
Opis:
Artykuł ma charakter metodologiczny i skupia się na omówieniu zastosowania metody wywiadów fokusowych w badaniach nad pamięcią zbiorową. Na początku krótko przedstawione są założenia metodologiczne tego typu badań, a następnie omówione są podstawowe pojęcia teoretyczne dotyczące pamięci zbiorowej, które wskazują na celowość badań pamięci zbiorowej poprzez wywiady grupowe. Dalej podane są przykłady ich zastosowań na przykładzie literatury przedmiotu, a na końcu szczegółowo zaprezentowano metodologię dwóch niezależnych badań nad pamięcią zbiorową przeprowadzonych w Poznaniu. Artykuł kończy analiza SWOT zastosowania wywiadów fokusowych w badaniach nad pamięcią zbiorową.
The article is methodological in nature and analyses the use of focus interviews in collective memory research. First, the study design of typical focus interviews is presented and followed by a short review of basic concepts in memory studies indicating that memory is discursive in nature and should therefore be studied through focus group interviews. It is then illustrated with examples of application of the method in collective memory research. Methods employed in two studies are discussed in particular detail. These are two independently conducted projects investigating collective memory in Poznan. Finally, a SWOT analysis of the implementation of focus interview method in collective memory studies is conducted.
Źródło:
Przegląd Socjologii Jakościowej; 2016, 12, 4; 56-77
1733-8069
Pojawia się w:
Przegląd Socjologii Jakościowej
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Proposal of Indicators Measuring the Development of Companies Qualified to the NewConnect Focus Segment
Wskaźniki pomiaru stopnia rozwoju spółek kwalifikowanych do segmentu NewConnect Focus
Autorzy:
Zygmanowski, Piotr
Śliwiński, Paweł
Powiązania:
https://bibliotekanauki.pl/articles/1922368.pdf
Data publikacji:
2019-07-10
Wydawca:
Uniwersytet Warszawski. Wydawnictwo Naukowe Wydziału Zarządzania
Tematy:
NewConnect
alternative stock exchange
NC Focus
stock market indicator
stock market index
wskaźnik
indeks giełdowy
Opis:
It is common opinion among the financial media and a wide range of investors in Poland that the NewConnect (NC) market is not an attractive place for investments. The NC market is dominated by penny companies with low liquidity of shares that encounter significant problems with fulfilling information obligations. This paper disputes this view by referring to companies from the NewConnect market. The authors aim at identifying new solutions, to improve the perception of the NewConnect market among all groups of its participants. These include the construction of new NC indicators: i) an indicator designed to measure the development level of companies from the NC Focus segment (NCGI-Focus) and ii) an indicator measuring the degree of changes in the market value of issuers from the same segment (NCFocusValue). This is supplemented by empirical results.
Wśród mediów finansowych oraz szerokiego grona inwestorów można się spotkać ze stwierdzeniem, że rynek NewConnect (NC) nie jest atrakcyjnym miejscem do dokonywania inwestycji, że na NC dominują spółki groszowe o niskiej płynności akcji, że indeks obrazujący zachowanie kursów akcji emitentów notowanych na tym rynku znajduje się w wieloletnim trendzie spadkowym. W niniejszym artykule podjęta została próba polemiki z powyższym poglądem, a autorzy postawili sobie za cel wskazanie nowych rozwiązań, których wprowadzenie mogłoby w istotnym stopniu poprawić odbiór rynku NewConnect wśród wszystkich grup uczestników tego rynku. Rozwiązania te to wskaźnik mający za zadanie dokonywanie pomiaru stopnia rozwoju spółek z segmentu NC Focus (NCGI-Focus) oraz wskaźnik mierzący stopień zmian wartości rynkowej emitentów z tego samego segmentu (NCFocusValue). Autorzy referatu przedstawili nie tylko zarys metodologiczny, lecz także poparli zasadność wprowadzenia obu miar wynikami empirycznymi odnoszącymi się do okresu funkcjonowania segmentu NC Focus.
Źródło:
Problemy Zarządzania; 2019, 3/2019 (83); 197-211
1644-9584
Pojawia się w:
Problemy Zarządzania
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Tourists and social media: Already inseparable marriage or still a long-distance relationship? Analysis of focus group study results conducted among tourists using social media
Autorzy:
Pawłowska, Aneta
Powiązania:
https://bibliotekanauki.pl/articles/1194123.pdf
Data publikacji:
2016
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Tourists
focus group study
social media
use of social media while travelling
Opis:
In the recent years, the Internet has become an important source of information and also a place where tourists document their travels and share their experiences using social media. On the one hand, the activity of people on the Internet corresponds to the needs of information society and systematic digitalisation of contemporary tourism. On the other hand, the constantly broadening access to new technologies in various aspects of life is accompanied by negative phenomena like information or communication overload and digital addiction. Hence, the study of the needs of tourists in the use of social media while travelling was chosen as the objective of this paper. To achieve this objective, a focus group study was conducted. As it transpired, the opinions of the tourists were diverse, ranging from enthusiasm and interest through severe criticism.
Źródło:
World Scientific News; 2016, 57; 88-97
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-50 z 471

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