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    Wyświetlanie 1-11 z 11
    Tytuł:
    An Empirical Investigation of the Influence of Safety Climate on Organizational Citizenship Behavior in Taiwan’s Facilities
    Autorzy:
    Lee, T. Z.
    Wu, C. H.
    Hong, C. W.
    Powiązania:
    https://bibliotekanauki.pl/articles/91216.pdf
    Data publikacji:
    2007
    Wydawca:
    Centralny Instytut Ochrony Pracy
    Tematy:
    safety climate
    organizational citizenship behavior
    social exchange relationship
    psychological effect
    Opis:
    Although the social exchange relationships between employers and employees are increasingly important to the performance of safety management systems, the psychological effects of work attitudes on this relationship have been less studied. Using a sample of first-line operators and their supervisors from 188 facilities in Taiwan which had Occupational Health and Safety Assessment Series 18000 (OHSAS 18000) certification, the current research conducted an empirical investigation of the influence of safety climate on organizational citizenship behavior (OCB). Work attitude was used to disclose the psychological effect. Research results indicated that (a) safety climate was a significant predicator of OCB, (b) the psychological effect significantly influenced social exchange relationships, and (c) job satisfaction showed a stronger mediating influence than organizational commitment due to the frequent top management turnover. Discussions and implications are also addressed.
    Źródło:
    International Journal of Occupational Safety and Ergonomics; 2007, 13, 3; 255--269
    1080-3548
    Pojawia się w:
    International Journal of Occupational Safety and Ergonomics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Application of SVR with improved ant colony optimization algorithms in exchange rate forecasting
    Autorzy:
    Hung, W. M.
    Hong, W. C.
    Powiązania:
    https://bibliotekanauki.pl/articles/969706.pdf
    Data publikacji:
    2009
    Wydawca:
    Polska Akademia Nauk. Instytut Badań Systemowych PAN
    Tematy:
    support vector regression (SVR)
    continuous ant colony optimization algorithms (CACO)
    exchange rates
    financial forecasting
    Opis:
    Traditional time series forecasting models, like ARIMA and regression models, can hardly capture nonlinear patterns. Support vector regression (SVR), a novel neural network technique, has been successfully used to solve nonlinear regression and time series problems. The SVR model applies the structural risk minimization principle to minimize the upper bound of the generalization error, instead of minimizing the training error, employed by most conventional neural network models. Thus, parameter determination for an SVR model is appropriate for achieving high forecasting accuracy. Several evolutionary algorithms, such as genetic algorithms and simulated annealing algorithms have been used in parameter selection, but these algorithms often suffer from the possibility of being trapped in local optimum. This study used an improved ant colony optimization algorithm in an SVR model, called SVRCACO, for selecting suitable parameters, with encouraging local search in areas where forecasting accuracy improvement continues to be made, then, autocatalytically converge to promising regions. Numerical examples of exchange rate forecasting from the existing literature are employed to assess the performance of the proposed model. Experimental results show that the proposed model outperforms other approaches from the literature.
    Źródło:
    Control and Cybernetics; 2009, 38, 3; 863-891
    0324-8569
    Pojawia się w:
    Control and Cybernetics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Comparison of Environmental Standards Systems and Their Working Mechanism between Poland and China
    Porównanie systemów standardów ochrony środowiska i mechanizmów ich działania w Rzeczpospolitej Polskiej oraz Chińskiej Republice Ludowej
    Autorzy:
    Yan-hong, W.
    Sobota, M.
    Jian-xin, X.
    Powiązania:
    https://bibliotekanauki.pl/articles/1188075.pdf
    Data publikacji:
    2011
    Wydawca:
    Uniwersytet Przyrodniczy we Wrocławiu
    Tematy:
    ochrona środowiska
    standard
    Polska
    Chiny
    environment
    protection
    Polska
    China
    Opis:
    The article contains a description and comparison of the Polish and Chinese legal system of environmental standards. In each of the legal systems of environmental standards are created on many levels, starting from the constitution, by laws, regulations of the competent ministers, until the local law. However, existing solutions in China allow the creation of separate local laws including environmental standards, while at the local in Poland are formed acts which are designed to ensure the proper implementation of the specific standards created at the national level. It must be emphasized that the legal system in China, "environmental standards" are a separate class of sources of law which is not in the Polish legal system, where environmental standards are contained in acts of general application.
    Źródło:
    Architektura Krajobrazu; 2011, 1; 78-86
    1641-5159
    Pojawia się w:
    Architektura Krajobrazu
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect Of Heat-Treatment On Microstructure And Magnetic Properties Of Nanocrystallized Mn-Zn Ferrite Powders
    Wpływ obróbki cieplnej na mikrostrukturę i właściwości magnetyczne nanokrystalicznych proszków ferrytu Mn-Zn
    Autorzy:
    Lee, W. H.
    Hong, C. S.
    Chang, S. Y.
    Powiązania:
    https://bibliotekanauki.pl/articles/351552.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    high energy ball milling
    nanosized particles
    crystallite size
    magnetic properties
    frezowanie kulowe
    nanocząstki
    wielkości krystalitów
    właściwości magnetyczne
    Opis:
    The initial ferrite powders were subjected to high energy ball milling at 300rpm for 3h, and subsequently heat-treated at 573-1273K for 1h. Based on the observation of microstructure and measurement of magnetic properties, the heat-treatment effect was investigated. The size of initial powders was approximately 70μm. After milling, the powders with approximately 230nm in size were obtained, which were composed of the nano-sized particles of approximately 15nm in size. The milled powders became larger to approximately 550nm after heat-treatment at 973K. In addition, the size of particles increased to approximately 120nm with increasing temperature up to 973K. The coercivity of initial powders was almost unchanged after milling, whereas the saturation magnetization increased. As the heat-treatment temperature increased, the saturation magnetization gradually increased and the maximum coercivity was obtained at 773K.
    Źródło:
    Archives of Metallurgy and Materials; 2015, 60, 2B; 1347-1350
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Orchards on Eroded Uplands of Southeast China: Sustainability or Abandonment?
    Sady na zerodowanych wyżynach płd.-wsch. Chin: zrównoważoność czy problem?
    Autorzy:
    Wang, C.
    Yang, Y.
    Pang, W.
    Hong, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/371226.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Komitet Człowiek i Środowisko PAN
    Tematy:
    soil erosion
    rural livelihoods
    sustainability
    cost benefit analysis
    China
    erozja gleb
    poziom życia rolników
    zrównoważoność
    analiza kosztów i korzyści
    Chiny
    Opis:
    Orchard development on eroded uplands is considered as a successful method in integrating soil erosion treatment with economic development in many developing countries. However, much attention focused on its present achievements without thinking over the economic viability over long plantation duration. Orchards that have not been intensified seem to be threatened by complete abandonment. To illustrate the economic viability and sustain-ability of orchard management, we have deliberately focused on a case study in Southeast China. The results of economic viability based on a cost-benefit analysis showed that orchard management was barely economically sustainable. Their viability is assured if reduced labor costs and increased fruit price are accepted. Based on these results, recommendations are made to prevent the abandonment of orchards on degraded uplands and to preserve its environmental benefits.
    Tworzenie sadów na zerodowanych wyżynach w wielu krajach rozwijających się jest traktowane jako metoda udanie łączącą zintegrowane przeciwdziałanie erozji gleb z rozwojem ekonomicznym. Niestety, zbyt mocno podkreśla się znacznie szybkich osiągnięć, bez rozważania kontekstu wieloletniej opłacalności takich działań. Sady, których nie poddano modyfikacjom, opuszczono. By zilustrować ekonomiczną sensowność i zrównoważoność zarządzania sadami, wybrano jako case study obszar płd.-wsch. Chin. Rezultaty oceny opartej na analizie kosztów i korzyści wykazały, że zarządzanie sadami okazuje się być słabo ekonomicznie zrównoważone. Opłacalność zostałaby zapewniona w przypadku obniżenia kosztów pracy i podniesienia cen owoców. Na podstawie przeprowadzonych badań przedstawiono rekomendacje, których uwzględnienie umożliwiłoby zaprzestanie procederu rezygnacji z prowadzenia sadów na terenach zdegradowanych wyżyn i utrzymanie korzyści środowiskowych.
    Źródło:
    Problemy Ekorozwoju; 2016, 11, 2; 37-43
    1895-6912
    Pojawia się w:
    Problemy Ekorozwoju
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Solvent Extraction of Co, Ni and Mn from NCM Sulfate Leaching Solution of Li(NCM)O2 Secondary Battery Scraps
    Autorzy:
    Hong, H. S.
    Kim, D. W.
    Choi, H. L.
    Ryu, S.-S.
    Powiązania:
    https://bibliotekanauki.pl/articles/355577.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    waste recycling
    NCM-system lithium ion battery
    reduction
    leaching
    Opis:
    As a part of the study on recycling Li(NCM)O2 lithium-ion battery scraps, solvent extraction experiments were performed using different extraction agents such as PC88A, Cyanex272 and D2EHPA to separate Co, Ni and Mn from the leaching solution. When the ratio of Mn to Ni was about 0.4 in the leaching solution, the separation factor for Co and Mn was found to be less than 10 so that the separation of Co and Ni was insufficient. When solvent extraction was done using the solution with the lower Mn/Ni ratio of 0.05 where Mn was removed by potassium permanganate and chlorine dioxide, more than 99% of Mn could be extracted through five courses of extraction using 30vol% D2EHPA while the extraction rates of Co and Ni were around 17% and 11%, respectively. In the case that Mn was removed from the solution, the extraction rate of Co was higher than 99% whereas less than 7% Ni was extracted using Cyanex272 suggesting that Co and Ni elements were effectively separated.
    Źródło:
    Archives of Metallurgy and Materials; 2017, 62, 2B; 1011-1014
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Suitability of Centella Asiatica (Pegaga) as a Food Source for Rearing Spodoptera Litura (F.) (Lepidoptera: Noctuidae) under Laboratory Condition
    Autorzy:
    Javar, S.
    Sajap, A.S.
    Mohamed, R.
    Hong, L.W.
    Powiązania:
    https://bibliotekanauki.pl/articles/65387.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Opis:
    When conducting entomological research, it is necessary to have a sufficient quantity of the desired pest. One of the pests commonly used in research is Spodoptera litura. Mass rearing of herbivorous caterpillars like S. litura requires large amounts of a suitable food source. Hence, the use of an easy-to-grow host plant would be most practical and reasonable. Centella asiatica known as ‘pegaga’ grows easily, produces plenty of leaves, and is available throughout the year in Malaysia. The suitability of C. asiatica as a food source for S. litura was evaluated by studying the biology of this pest on excised C. asiatica leaves, under laboratory conditions. S. litura completed its whole life cycle in 29 to 35 days. The mean pupal weight and the average number of eggs laid by a single female were 0.341 g and 1,930 eggs, respectively. Daily monitoring of the larval development stages as well as analysis on the width of head capsules, revealed the existence of six instars during the larval stages of S. litura. The cumulative survival rate for immature developmental stages was 80%, while the stage-specific survivorship was over 90%. This study demonstrated the use of ‘pegaga’ as a suitable new food source for when rearing S. litura larvae in the laboratory.
    Źródło:
    Journal of Plant Protection Research; 2013, 53, 2
    1427-4345
    Pojawia się w:
    Journal of Plant Protection Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Synthesis And Electrochemical Characteristics Of Mechanically Alloyed Anode Materials SnS2 For Li/SnS2 Cells
    Synteza mechaniczna i charakterystyka elektrochemiczna materiałów anodowych SnS2 dla ogniw Li/SnS2
    Autorzy:
    Hong, J. H.
    Liu, X. J.
    Park, D. K.
    Kim, K. W.
    Ahn, H. J.
    Ahn, I. S.
    Powiązania:
    https://bibliotekanauki.pl/articles/356903.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    MA
    Li/SnS2 cell
    PCA
    wet milling process and electrochemical characteristics
    ogniwa Li/SnS2
    charakterystyka elektromechaniczna
    Opis:
    With the increasing demand for efficient and economic energy storage, tin disulfide (SnS2), as one of the most attractive anode candidates for the next generation high-energy rechargeable Li-ion battery, have been paid more and more attention because of its high theoretical energy density and cost effectiveness. In this study, a new, simple and effective process, mechanical alloying (MA), has been developed for preparing fine anode material tin disulfides, in which ammonium chloride (AC), referred to as process control agents (PCAs), were used to prevent excessive cold-welding and accelerate the synthesis rates to some extent. Meanwhile, in order to decrease the mean size of SnS2 powder particles and improve the contact areas between the active materials, wet milling process was also conducted with normal hexane (NH) as a solvent PCA. The prepared powders were both characterized by X-ray diffraction, Field emission-scanning electron microscopeand particle size analyzer. Finally, electrochemical measurements for Li/SnS2 cells were takenat room temperature, using a two-electrode cell assembled in an argon-filled glove box and the electrolyte of 1M LiPF6 in a mixture of ethylene carbonate(EC)/dimethylcarbonate (DMC)/ethylene methyl carbonate (EMC) (volume ratio of 1:1:1).
    Źródło:
    Archives of Metallurgy and Materials; 2015, 60, 2B; 1191-1194
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Synthesis Of Magnesium-Aluminum Layered Double Hydroxides By Mechanochemical Method And Its Solid State Reaction Kinetics
    Mechaniczno-chemiczna synteza warstwowego podwójnego wodorotlenku magnezu aluminium i kinetyka reakcji w stanie stałym
    Autorzy:
    Hongbo, Y.
    Meiling, C.
    Xiuhui, W.
    Hong, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/351963.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    layered double hydroxides
    mechanochemical method
    kinetic
    warstwowy podwójny wodorotlenek
    metoda mechaniczno-chemiczna
    kinetyka
    Opis:
    A mechanochemical method is developed in preparing magnesium-aluminum-layered double hydroxides (MgAl-LDHs). This approach includes activation process and diffusion process. In order to verify the LDHs structure and study the reaction kinetics, X-ray diffraction (XRD) patterns, inductively coupled plasma(ICP) and physical adsorption instrument were characterized. The results show that activation time can change the surface of particles and affect the reaction grade. During the diffusion process, reaction time is the most important factor. The reaction energy (ΔQ) was calculated that is 6kJ/mol.
    Źródło:
    Archives of Metallurgy and Materials; 2015, 60, 2B; 1455-1457
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Theoretical investigation of vanadium oxide film with surface microstructure
    Autorzy:
    Hong, W.
    Wang, Z.
    Chen, Q.
    Sheng, C.
    Gu, G.
    Luo, P.
    Xie, Y.
    Powiązania:
    https://bibliotekanauki.pl/articles/174416.pdf
    Data publikacji:
    2017
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    vanadium oxide
    VO2
    film
    surface microstructure
    photonic band edge
    dispersion material
    Opis:
    This paper presents a method to design a surface microstructure of vanadium oxide to enhance optical absorption. This method, using a density of eigenfrequency, can be calculated by a planar wave expand method, to indicate the absorption efficiency of a dispersion material, which can be used as an approach method for further design. Based on this, a nanostructure-based vanadium oxide film is designed and simulated to validate this method. The simulation results show that the tendency of density of eigenfrequency is corresponding to the tendency of optical absorption enhancement. Moreover, this structure can achieve high optical broadband absorption when the material dispersion is considered. High optical absorption enhancement can be achieved by adjusting the geometrical parameters; our maximum overall enhancement absorption ratio was 31.84% at the metal phase, which can be attributed to the enhancement effect of a photonic band edge.
    Źródło:
    Optica Applicata; 2017, 47, 4; 601-609
    0078-5466
    1899-7015
    Pojawia się w:
    Optica Applicata
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Thermal Analysis On The Kinetics Of Magnesium-Aluminum Layered Double Hydroxides In Different Heating Rates
    Analiza termiczna kinetyki rozkładu warstwowego podwójnego wodorotlenku magnezu aluminium przy różnych szybkościach grzania
    Autorzy:
    Hongbo, Y.
    Meiling, C.
    Xu, W.
    Hong, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/351862.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    layered double hydroxides
    thermal analysis
    kinetics
    warstwowy podwójny wodorotlenek
    analiza termiczna
    kinetyka
    Opis:
    The thermal decomposition of magnesium-aluminum layered double hydroxides (LDHs) was investigated by thermogravimetry analysis and differential scanning calorimetry (DSC) methods in argon environment. The influence of heating rates (including 2.5, 5, 10, 15 and 20K/min) on the thermal behavior of LDHs was revealed. By the methods of Kissinger and Flynn-Wall-Ozawa, the thermal kinetic parameters of activation energy and pre-exponential factor for the exothermic processes under non-isothermal conditions were calculated using the analysis of corresponding DSC curves.
    Źródło:
    Archives of Metallurgy and Materials; 2015, 60, 2B; 1357-1359
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-11 z 11

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