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Tytuł:
Properties of GaN Nanocolumns Grown by Plasma - Assisted MBE on Si (111) Substrates
Autorzy:
Zytkiewicz, Z.
Dluzewski, P.
Borysiuk, J.
Sobanska, M.
Klosek, K.
Witkowski, B.
Setkiewicz, M.
Pustelny, T.
Powiązania:
https://bibliotekanauki.pl/articles/1492480.pdf
Data publikacji:
2011-12
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
81.15.Hi
81.05.Dz
61.46.Km
Opis:
We report on growth of GaN nanocolumns by plasma assisted MBE on (111) silicon substrates and on their characterization. The nanocolumns nucleate on the substrate spontaneously without use of any catalyst, probably by the Volmer-Weber mechanism. Transmission electron microscopy analysis shows high crystalline quality of GaN nanocolumns and their good alignment with the c-axis being perpendicular to the substrate. Preliminary results on use of GaN nanocolumns in gas sensor devices are presented.
Źródło:
Acta Physica Polonica A; 2011, 120, 6A; A-015-A-016
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Samarium-Doped Ceria Nanostructured Thin Films Grown on FTO Glass by Electrodepostion
Autorzy:
Živković, Lj.
Lair, V.
Lupan, O.
Cassir, M.
Ringuedé, A.
Powiązania:
https://bibliotekanauki.pl/articles/1503528.pdf
Data publikacji:
2011-08
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
81.15.Pq
68.55.Ln
61.46.Km
78.67.-n
Opis:
Electrical, optical or catalytic properties of ceria can be tuned via doping by rare earth elements. The innate properties of ceria-based materials can be further amplified by using nanostructured ceria. In this study, Sm-doped ceria (SDC) coatings were grown on the FTO glass substrate by means of cathodic deposition. Films were obtained from mixed $Sm^{3+}//Ce^{3+}$ aqueous nitrate solutions, applying -0.8V/(SCE) potential for 1 h. Selected conditions gave rise to adherent, homogeneous and well-covering nanostructured SDC thin films. EDX analysis showed that 0.8 and 1.5 mol% $Sm^{3+}$ led to 3.4 and 6.3 at.% Sm in the SDC films. XRD and Raman analysis confirmed the formation of cubic fluorite-type $CeO_{2}$. However, Sm-doping decreased the crystallite size of nanostructured ceria. The effect of annealing on SDC film was also studied. An improvement in crystallite quality was found with increasing temperature. Optical absorption properties were studied and the band gap value $(E_g)$ of 3.07 eV was determined for pure ceria. Sm-doped ceria exhibited a red shifting. The $E_g$ values were 2.97 and 2.81 eV, in due order.
Źródło:
Acta Physica Polonica A; 2011, 120, 2; 298-302
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Structural and Optical Properties of ZnO Nanowires Doped with Magnesium
Autorzy:
Zhuang, H.
Wang, J.
Liu, H.
Li, J.
Xu, P.
Powiązania:
https://bibliotekanauki.pl/articles/1505046.pdf
Data publikacji:
2011-06
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
61.46.Km
61.72.uj
81.15.Gh
78.67.-n
Opis:
ZnO nanowires doped with Mg have been successfully prepared on Au-coated Si (111) substrates using chemical vapor deposition method with a mixture of ZnO, Mg, and activated carbon powders as reactants at 850°C. The structural, compositional, morphological and optical properties of the samples were characterized by X-ray diffraction, scanning electron microscopy, transmission electron microscopy, high-resolution transmission electron microscopy, and photoluminescence spectroscopy. The nanowires are single crystalline in nature and preferentially grow up along [0001] direction with the average diameter and length of about 60 nm and several hundred micrometers, respectively, thinner and longer than the results of literature using the similar method. Room temperature photoluminescence spectroscopy shows a blueshift from the bulk band gap emission, which can be attributed to Mg doping that were detected by energy dispersive X-ray analysis EDX in the nanowires. Finally, the possible growth mechanism of crystalline ZnO nanowires is discussed briefly.
Źródło:
Acta Physica Polonica A; 2011, 119, 6; 819-823
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Experimental study on the joint application of innovative techniques for the improved drivage of roadways at depths over 1 km: a case study
Autorzy:
Zhang, Wei
Tang, Jia-Jia
Zhang, Dong-Sheng
Zhang, Lei
Sun, Yuyan
Zhang, Wei-Sheng
Powiązania:
https://bibliotekanauki.pl/articles/219958.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
pomiar naprężeń
wiercenie
piaskowanie
odkształcenie
roadways at depth over 1 km
in-situ stress measurements
efficient drivage
rapid drilling and blasting
deformation control of SRR
industrial test
Opis:
Finding effective ways to efficiently drive roadways at depths over 1 km has become a hotspot research issue in the field of mining engineering. In this study, based on the local geological conditions in the Xinwen Mining Area (XMA) of China, in-situ stress measurements were conducted in 15 representative deep roadways, which revealed the overall tectonic stress field pattern, with the domination of the horizontal principal stresses. The latter values reached as high as 42.19 MPa, posing a significant challenge to the drivage work. Given this, a comprehensive set of innovative techniques for efficiently driving roadways at depths over 1 km was developed, including (i) controlled blasting with bidirectional energy focusing for directional fracturing, (ii) controlled blasting with multidirectional energy distribution for efficient rock fragmentation, (iii) wedge-cylinder duplex cuts centered on double empty holes, and (iv) high-strength supports for deep roadways. The proposed set of techniques was successfully implemented in the –1010 west rock roadway (WRR) drivage at the Huafeng Coal Mine (HCM). The improved drivage efficiency was characterized by the average and maximum monthly advances of 125 and 151 m, respectively. The roadway cross-sectional shape accuracy was also significantly improved, with the overbreak and underbreak zones being less than 50 mm. The deformation in the surrounding rock of roadway (SRR) was adequately controlled, thus avoiding repeated maintenance and repair. The relevant research results can provide technical guidance for efficient drivage of roadways at depths over 1 km in other mining areas in China and worldwide.
Źródło:
Archives of Mining Sciences; 2020, 65, 1; 159-178
0860-7001
Pojawia się w:
Archives of Mining Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Walka z dnia 5 września 1939 r. o most łączący Miłkowice z Popowem w świetle źródeł polskich i niemieckich
Autorzy:
Wójcik, Tomasz
Boraś, Jacek
Powiązania:
https://bibliotekanauki.pl/articles/2034179.pdf
Data publikacji:
2021-11-30
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:
6 batalion km zmot. (Niemcy)
6 Pułk Strzelców Konnych
8. Armia (Niemcy)
30 Dywizja Piechoty (Niemcy)
Armia „Łódź”
Gruppe Adelhoch (Niemcy)
korytarz kalisko-łęczycki
Kresowa Brygada Kawalerii
Miłkowice
Popów
Sieradz
Uniejów
Second World War
September 1939
Opis:
Celem niniejszego artykułu jest przedstawienie oraz ocena walk polsko-niemieckich w rejonie nieistniejącego dziś mostu na Warcie pomiędzy Miłkowicami a Popowem, stoczonych w dniu 5 września 1939 r. Artykuł ten składa się z kilku części: pierwsza to ogólne nakreślenie sytuacji w szeroko rozumianym otoczeniu placu boju w czasie pierwszych dni wojny, w szczególności walk obronnych oddziałów Armii „Łódź”, atakowanych przez 8. Armię Wehrmachtu, część druga natomiast to opis przebiegu samej bitwy, opowiedziany w dużej mierze słowami ich uczestników, tak z polskiej, jak i z niemieckiej strony. W części tej ingerencja autorów ogranicza się jedynie do uzupełnienia wiadomości, których bezpośredni uczestnicy bitwy nie posiadali. W analizowanych walkach wzięły udział: ze strony polskiej 6 Pułk Strzelców Konnych z Kresowej Brygady Kawalerii Armii „Łódź”, ze strony niemieckiej Oddział Wydzielony „Gruppe Adelhoch” z 30 Dywizji Piechoty 8. Armii. Opis walk został przez autorów poszerzony o kwestie wykraczające poza bezpośrednie starcie, a mianowicie o bój powietrzny oraz losy polskich pododdziałów na zachodnim brzegu Warty. Autorskie wnioski przedstawiono w podsumowaniu. Artykuł ten stanowi efekt wspólnych badań autorów nad walkami na terenie współczesnych powiatów tureckiego i poddębickiego we wrześniu 1939 r. i nawiązuje do opublikowanego w poprzednim numerze „Biuletynu Uniejowskiego” tekstu, dotyczącego walk o utrzymanie przeprawy mostowej w Uniejowie w dniach 6‒7 września 1939 r. Oprócz wykorzystywanych już w historiografii źródeł autorzy sięgnęli także do dokumentów, dotąd nieznanych, które choć zachowane szczątkowo, pozwalają na sformułowanie wniosków innych niż uprzednio przyjęte w piśmiennictwie.
This article aims to present and evaluate Polish-German fights in the vicinity of a bridge (not existing today) between Miłkowice and Popów, which took place on 5 September 1939. The first part highlights the general situation in the broadly understood place of the battle during the first days of the war, while the second part describes the course of the battle itself, largely as related by its participants, both Polish and German. The authors only add some information that the direct participants did not have, and supplement the relations by describing the fights in the air and the situation of Polish sub-units on the western bank of the river Warta. The last part provides the authors’ conclusions. The article is a result of research conducted by the authors concerning the September 1939 fights in the present districts of Turek and Poddębice. It refers to a text about defending a ford in Uniejów on 6–7 September 1939, published in “Biuletyn Uniejowski”. The authors made use of some previously unknown documents, which allowed them to formulate conclusions different from those presented earlier in literature.
Źródło:
Biuletyn Uniejowski; 2021, 10; 97-148
2299-8403
Pojawia się w:
Biuletyn Uniejowski
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Knowledge Management in Software Testing: A Systematic Snowball Literature Review
Autorzy:
Wnuk, K.
Garrepalli, T.
Powiązania:
https://bibliotekanauki.pl/articles/384073.pdf
Data publikacji:
2018
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
KM
software testing
knowledge
systematic literature review
Opis:
Description : Software testing benefits from the usage of Knowledge Management (KM) methods and principles. Thus, there is a need to adopt KM to the software testing core processes and attain the benefits that it provides in terms of cost, quality, etc. Aim : To investigate the usage and implementation of KM for software testing. The major objectives include 1. To identify various software testing aspects that receive more attention while applying KM. 2. To analyse multiple software testing techniques, i.e. test design, test execution and test result analysis and highlight KM involvement in these. 3. To gather challenges faced by industry due to the lack of KM initiatives in software testing. Method : A Systematic Literature Review (SLR) was conducted utilizing the guidelines for snowballing reviews by Wohlin. The identified studies were analysed in relation to their rigor and relevance to assess the quality of the results. Results : The initial resulting set provided 4832 studies. From these, 35 peer-reviewed papers were chosen among which 31 are primary, and 4 are secondary studies. The literature review results indicated nine testing aspects being in focus when applying KM within various adaptation contexts and some benefits from KM application. Several challenges were identified, e.g., improper selection and application of better-suited techniques, a low reuse rate of software testing knowledge, barriers in software testing knowledge transfer, no possibility to quickly achieve the most optimum distribution of human resources during testing, etc. Conclusions : The study brings supporting evidence that the application of KM in software testing is necessary, e.g., to increase test effectiveness, select and apply testing techniques. The study outlines the testing aspects and testing techniques that benefit their users.
Źródło:
e-Informatica Software Engineering Journal; 2018, 12, 1; 51-78
1897-7979
Pojawia się w:
e-Informatica Software Engineering Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Modelowanie i badania symulacyjne procesów dynamicznych
Modelling and Simulation Studies of Dynamic Processes
Autorzy:
Szelągowski, Marek
Biernacki, Piotr
Powiązania:
https://bibliotekanauki.pl/articles/509159.pdf
Data publikacji:
2016
Wydawca:
Akademia Finansów i Biznesu Vistula
Tematy:
zarządzanie procesowe
dynamiczne zarządzanie procesami biznesowymi
Business Process Model and Notation (BPMN)
zarządzanie sprawami
eksploracja procesów
automatyzacja procesów
zarządzanie wiedzą
wiedza z procesów
business process management (BPM)
unstructured processes
dynamic BPM (dBPM)
process pattern
case management (CM)
automated business process discovery (ABPD)
process mining
business process management system (BPMS)
knowledge management (KM)
process-related knowledge
Opis:
Artykuł poświęcony jest możliwościom praktycznym, które, dzięki nowym technikom analitycznym i symulacyjnym, daje dynamiczne zarządzanie procesami biznesowymi. Wskazuje obszary, w których stosowanie podejścia dynamicznego nie daje praktycznie żadnych korzyści, oraz obszary, w których stosowanie podejścia dynamicznego daje znacząco lepsze rezultaty niż tradycyjne zarządzanie procesowe lub jest w ogóle warunkiem koniecznym jego stosowania. W artykule omówiono zasady analizy symulacyjnej procesów dynamicznych oraz niezbędne różnice między modelami poglądowymi a modelami symulacyjnymi procesów dynamicznych. W konkluzji pokazano, że procesy dynamiczne mogą nie tylko być automatyzowane, ale również badane symulacyjnie z wykorzystaniem najpopularniejszej obecnie notacji BPMN 2.0, ponieważ dostarcza ona efektywne mechanizmy modelowania, a także obsługi danych czy wyrażeń definiujących prawdopodobieństwa poszczególnych scenariuszy procesów.
The article discusses the practical possibilities that are provided by the dynamic business process management thanks to new techniques of analysis and simulation. It indicates the areas where the use of a dynamic approach gives no benefits and areas where the use of a dynamic approach gives significantly better results than the traditional process management or even is a prerequisite for its use. The article discusses the principles of simulation analysis of dynamic processes and the essential differences between the models for demonstration and models for simulation of dynamic processes. An article in the conclusion shows that dynamic processes cannot only be automated but also tested by means of simulations using the most popular notation – BPMN 2.0, so that it provides effective mechanisms for modelling and data handling or expressions that define the probability of particular scenario processes.
Źródło:
Zeszyty Naukowe Uczelni Vistula; 2016, 49(4) Informatyka; 70-84
2353-2688
Pojawia się w:
Zeszyty Naukowe Uczelni Vistula
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Knowledge and knowledge management in organization: identifying the critical role of IT in the knowledge management process
Autorzy:
Shaheen, Omar
Powiązania:
https://bibliotekanauki.pl/articles/1178995.pdf
Data publikacji:
2017
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Information technology
Knowledge
Knowledge Management (KM)
Knowledge Management Systems (KMS)
Knowledge Management process
Opis:
Knowledge constitutes a wide and complex matter which has provided a definition for the epistemological dispute in the philosophy of the West since the times of the classical Greek era. Nonetheless, in the recent years, great interest has occurred in approaching knowledge as an important organizational resource. The increased interest in organizational knowledge and knowledge management originates from the conversion into the area of knowledge economy, in which it is perceived as the primary source of the creation of value and sustainable competitive advantage. Knowledge Management (KM) constitutes an integral part of the business world in contemporary times. This can be seen at a time of analyzing the modern literature of business, management, technology as well as organization. This worker views and interprets KM literature in enterprises. The main aim of the research is to summarize literature on the subject of Knowledge Management (KM) and to get the sense of the primary concepts/common terms, conventional definitions in the area of knowledge and Knowledge Management (KM).This work constitutes a profound overview on the process of the management of organizational knowledge with great focus put on the possible part of IT in the different phases of the process of knowledge management. The author chose this subject as not much research has been carried out to analyze this side of KM.
Źródło:
World Scientific News; 2017, 87; 24-48
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Free-Standing Si and Ge, and Ge/Si Core-Shell Semiconductor Nanowires
Autorzy:
Peelaers, H.
Partoens, B.
Peeters, F.
Powiązania:
https://bibliotekanauki.pl/articles/1419510.pdf
Data publikacji:
2012-08
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
61.46.Km
61.72.uf
62.23.Hj
63.22.Gh
Opis:
The properties of free-standing silicon and germanium nanowires oriented along the [110] direction are studied using different first principles methods. We show the corrections due to quasi-particles to the band structures obtained using the local-density approximation. The formation energies of B and P doped nanowires are calculated, both in the absence and presence of dangling bond defects and we link these to experimental results. Furthermore, we report on the phonon properties of pure Si and Ge nanowires, as well as Ge/Si core-shell nanowires, and discuss the differences between them.
Źródło:
Acta Physica Polonica A; 2012, 122, 2; 294-298
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Surface Study of Selected Biomaterials Using Vibrational Spectroscopy
Autorzy:
Paluszkiewicz, C.
Kwiatek, W.
Długoń, E.
Wesełucha-Birczyńska, A.
Piccinini, M.
Powiązania:
https://bibliotekanauki.pl/articles/1809387.pdf
Data publikacji:
2009-02
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
87.64.km
87.64.kp
87.64.Ee
87.85.jf
Opis:
Vibrational spectroscopy has been extensively used for in vitro and in vivo investigations of degradation mechanism and kinetics of different biomedical materials as well as it has been used to characterize the crystalline and amorphous domains in bio-mineralization process. Infrared and Raman spectroscopy methods are valuable tools in the biomaterials engineering allowing to study processes occurring during their preparation. In vitro tests, where the materials are immersed in simulated body fluids and/or artificial saliva, were used to evaluate the biocompatibility of biomaterials. This kind of tests are a wide range of repeatable and reproducible methods, which are regulated by international standards for commercial use and scientific development of new materials and products. The aim of this work was to examine phase composition of materials applied in dentistry. The bioactivity of such biomaterials was studied by immersing the samples in synthetic body fluid and artificial saliva. The changes were determined by the Fourier transform infrared and Raman microspectroscopy as well as scanning electron microscopy. It was found that results obtained by vibrational spectroscopy show the differences between the studied samples. Chemical reactions occurring during incubation of cements in artificial saliva as well as in synthetic body fluid result in formation of phosphates which deposit on the cement surface.
Źródło:
Acta Physica Polonica A; 2009, 115, 2; 533-536
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of dye type on montmorillonite-supported Pr-doped TiO₂ composite photocatalsyt
Autorzy:
Otsukarci, B.
Kalpakli, Y.
Powiązania:
https://bibliotekanauki.pl/articles/1070473.pdf
Data publikacji:
2016-07
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
81.16.Hc
87.64.K
87.64.km
Opis:
Scarcity of water in today's world has led to scientific researches for finding smarter ways of discharging and re-using water located in the seas and lakes. That is how advanced oxidation technologies have emerged as one of the new discharging techniques to keep water sources clean. In our method we have synthesized praseodymium (Pr) doped TiO₂-Montmorillonite composite photocatalyst by using acid sol-gel method. Pr, in the group of rare earth metals, is known for its ability to form Lewis bases in order to break down aldehydes, amines, etc., by decreasing the crystal size and consequently increasing the surface area. We have used the mineral form of the bentonite clay (montmorillonite) to increase the surface area of our composite photocatalyst. Two types of azo dyes which are commercially known as Basic Yellow 28 (BY 28) and Basic Blue 41 (BB 41) were used in experimants. These dyes are composed of different chemical structures: BY 28 is known as azomethine dye (-CH=N-), whereas BB 41 has one azo bond (-N=N-). The initial model dye concentrations were 100 ppm. Amount of 1.0 g/l of photocatalyst was used throughout the experiments. In order to evaluate degradation efficiency results, the dissolved organic carbon analyzer was used. We have found the optimum dark adsorption time to be under 15 minutes. By stirring under 15 minutes in the dark we have achieved efficiency of 52.50% for BY 28 and 66.74% for BB 41. On the other hand, by stirring under UV-A light irradiation for two hours we have achieved the overall degradation efficiency of 86.30% for BY 28 and 92.39% for BB 41. Our results show that higher adsorption and overall efficiencies were observed in BB 41 than in BY 28. Moreover, according to Water Pollution Control Regulations, the chemical oxygen demand limitations for textile industry are between 200-400 mg/l. To evaluate the degradation characteristics of Pr-doped TiO₂-Montmorillonite composite, the change of chemical oxygen demand values with time for 100 mg/l of BY 28 and BB 41 were investigated. The obtained chemical oxygen demand values were 60.5 and 34.8 mg O₂/l after 2 hours of oxidation processes for BY 28 and BB 41. As it can be seen from the results, obtained values are below the limitations.
Źródło:
Acta Physica Polonica A; 2016, 130, 1; 198-201
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wplyw podlozy na adaptacje mikrosadzonek Nematanthus hyb. Tropicana do warunkow szklarniowych
Autorzy:
Nieradko-Swistowska, A
Powiązania:
https://bibliotekanauki.pl/articles/810271.pdf
Data publikacji:
1998
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Tematy:
mikrosadzonki
warunki szklarniowe
rozwoj roslin
wzrost roslin
ogrodnictwo
Alcosorb 400
superabsorbenty
hydrozele
podloza uprawowe
Nematanthus hyb.Tropicana
Akrygel KM
Opis:
W doświadczeniu oceniono wpływ podłoży na adaptację mikrosadzonek Nematanthus hyb. ‘Tropicana' do warunków szklarniowych. Porównywano podłoża: substrat torfowy, torf wysoki+kompost korowy (1:1), torf wysoki+perlit (1:1), torf wysoki+piasek (1:1) i mata kokosowa. Do każdego z podłoży dodano Alcosorb-400 i Akrygel KM w ilości 0, 2, 4, 6 g/dm³ podłoża. Stwierdzono, że wzrost i rozwój roślin uzyskanych in vitro, na etapie ich adaptacji do warunków szklarniowych zależy od rodzaju zastosowanego podłoża. Efekt działania hydrożeli dodanych do podłoża zależał od jego rodzaju. Najlepsze warunki dla rozwoju systemu korzeniowego stwarzała mata kokosowa z dodatkiem 2 i 4 g Alcosorbu-400 na dm³ podłoża. Alcosorb w dawce 4 g/dm³ wpłynął na wytworzenie największej liczby pędów bocznych, a w dawce 6 g/dm³ największej liczby liści na pędzie głównym. Część nadziemną o największej świeżej masie i najdłuższym pędzie głównym otrzymano przy 2 g Akrygelu KM na dm³ maty kokosowej.
The experiment was carried out in order to evaluate the influence of substrate upon the adaptation process of Nematanthus hyb. 'Tropicana' microseedlings to greenhouse conditions. The following substrates were examined: the peat substratum, thick peat+bark compost (1:1), thick peat+perlite (1:1), thick peat+sand (1:1) and the coconut mat. Alcosorb-400 and Akrygel KM were added to each of the substrates at the quantities of 0, 2, 4 and 6 g/dm³ substrate. The experiment led to the statement that the plants growth and development obtained in vitro at the stage of adaptation to greenhouse conditions depends on the kind of used substrate. The effect of hydrogels added to given substrate depended on the kind of substrate. It was also stated that the coconut mat with an addition of 2 and 4 g Alcosorb-400 per dm³ substrate created best conditions for root system development. The dose of 4 g/dm³ Alcosorb resulted in largest number of side sprouts, at dose of 6 g/dm³ the largest number of leaves on main sprout was obtained. The overground plant parts of best fresh weight and longest main sprout were obtained at the dose of 2 g Akrygel KM added to 1 dm³ coconut mat.
Źródło:
Zeszyty Problemowe Postępów Nauk Rolniczych; 1998, 461; 309-322
0084-5477
Pojawia się w:
Zeszyty Problemowe Postępów Nauk Rolniczych
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A Comprehensive Framework of Design Thinking Approach in Knowledge Management: A Review in Academic Context
Autorzy:
Mostofa, Sk Mamun
Othman, Roslina
Mukherjee, Debarshi
Hasan, Khandakar Kamrul
Powiązania:
https://bibliotekanauki.pl/articles/628331.pdf
Data publikacji:
2020
Wydawca:
Fundacja Pro Scientia Publica
Tematy:
KM, DT, design knowledge, knowledge sharing, educational institutions, design systems.
Opis:
Aim of research. Design thinking (DT) is an essential context for knowledge management (KM), as it promotes the link between KM initiatives and an organization's strategic goals and objectives. This article analyzes the DT process in terms of its capability to create KM. The detailed analysis on the aspect of the working mechanism of DT – how KM is represented and created in the process. This article examines the DT procedure in terms of its ability to generate design knowledge. In this regard, the main purpose of this paper is to review the approaches to KM applied to DT and to suggest directions for how such a supervisory system could evolve. Methodology. This study is thematic in its nature and it was prepared on the basis of secondary data and also based on an inclusive review of the literature and similarly computation of secondary information. To formulate this paper the researchers used books, earlier published articles, conference papers, and numerous research reports. Results and conclusions. This article concludes by proposing an intuitive model for DT and KM. KM for its successful application in higher learning institutions in the areas of course design institutional strategy formation and faculty resource sharing.
Źródło:
Journal of Education Culture and Society; 2020, 11, 2; 281-294
2081-1640
Pojawia się w:
Journal of Education Culture and Society
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Románová reflexe 28. října 1918
October 28, 1918 in the novel
Autorzy:
Moldanova, Dobrava
Powiązania:
https://bibliotekanauki.pl/articles/908881.pdf
Data publikacji:
2019-12-30
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
novels
K.M. Čapek Chod
A.M. Tilschová
B. Benešová
28th October 1918
change of social and moral norm
romány
K. M. Čapek Chod
A. M. Tilschová
28. říjen 1918
proměna společenských a mravních norem
Opis:
Studie Románová reflexe 28. října 1918 se zabývá několika českými romány, vzniklými ve 20. letech 20. století, jejichž autoři, K.M. Čapek Chod, A.M. Tilschová a B. Benešová reflektují změnu společenského klimatu za války a bezprostředně po ní. Proměnu spojují nejen se změnou společenského zřízení, se vznikem demokratické republiky, ale především s představou osvobození se od společenských norem, spojených se světem před válkou. Postavy těchto románů procházejí katarzí, která je osvobozuje a otvírá jim nové životní perspektivy.
The study Reflection of the October in Czech novels analyses several novels that originated in the twentieths of the twentieth century. Their authors, K.M. Čapek Chod, A.M. Tilschová and B. Benešová, reflect the change of social climate during the war and immediately after it. They connect the rise of the new State, a democratic Republic, with the notion of liberation from empty social norms connected with the world before the war. Characters of these novels are undergoing a catharsis that liberates them and opens new perspectives of life for them.
Źródło:
Bohemistyka; 2019, 3; 293-310
1642-9893
Pojawia się w:
Bohemistyka
Dostawca treści:
Biblioteka Nauki
Artykuł
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