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Wyszukujesz frazę "Ping, Feng" wg kryterium: Autor

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    Wyświetlanie 1-10 z 10
    Tytuł:
    Chinese migrations in Poland
    Autorzy:
    Ping, Feng
    Powiązania:
    https://bibliotekanauki.pl/articles/531231.pdf
    Data publikacji:
    2018
    Wydawca:
    Fundacja Instytut Nauki o Polityce
    Tematy:
    Chinese migrations
    Poland, integration
    occupations
    investment
    immigration institutions
    Opis:
    Traditionally Poland is a immigrant import country. Since Poland joined EU, Poland has attracted more and more immigrants from other countries. Chinese people started to come to Poland in the beginning of 90s. Recently, since the 21st century, more and more Chinese come to Poland. Currently, Chinese has become the largest number of people from Asian countries coming to Poland. Chinese people have a variety of occupations in Poland. The skilled, and high educated Chinese people have relatively high position in Poland, while there are also labor forces coming from China. This article will discuss the overview of Chinese people in Poland, occupations, and living conditions of Chinese in Poland, and some cases of Chinese people in Poland after the deep depth interview.
    Źródło:
    Polish Journal of Political Science; 2018, 4, 1; 161-179
    2391-3991
    Pojawia się w:
    Polish Journal of Political Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Is green finance capable of promoting renewable energy technology? Empirical investigation for 64 economies worldwide
    Autorzy:
    Zheng, Mingbo
    Feng, Gen-Fu
    Chang, Chun-Ping
    Powiązania:
    https://bibliotekanauki.pl/articles/19322770.pdf
    Data publikacji:
    2023
    Wydawca:
    Instytut Badań Gospodarczych
    Tematy:
    green finance
    renewable energy innovation
    green innovation
    long term sustainability
    sustainable growth
    Opis:
    Research background: As an outcome of a global consensus on combating climate change, green finance is expected to play an important role in promoting green growth and innovation progress. Some studies note that green credit policy yields a negative influence on green innovation, while how green finance affects renewable energy innovation has received scant attention in academia. This study focuses on the impact of green finance on renewable energy innovation. Purpose of the article: This research investigates the influence of green finance on an economy's renewable energy innovation by using green bond data from the Climate Bonds Initiative. This research further tests whether it varies for different kinds of energy types and economic development levels. Given that policies are key to renewable energy technology development, this research checks whether government stability changes the relationship between green finance and renewable energy innovation. Methods: Using the panel fixed effects model and big-scale data from 64 economies worldwide during the period 2014-2019, we investigate green finance's impact on renewable energy innovation. In the robustness test, the dynamic panel model and the panel Tobit model are employed. Findings & value added: This research finds that green finance has a positive effect on renewable energy innovation. This effect is prominent in non-OECD economies as well as middle-income and low-income economies. Government stability enhances the influence of green finance on renewable energy innovation. Moreover, the results indicate that green finance mainly promotes innovation progress for wind energy and produces little effect for other renewable energies. The subsample analysis also sheds light on the heterogeneity of the role of green finance in promoting renewable energy innovation.
    Źródło:
    Oeconomia Copernicana; 2023, 14, 2; 483-510
    2083-1277
    Pojawia się w:
    Oeconomia Copernicana
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Point-ahead analysis and pre-pointing link stability study of intersatellite laser communication
    Autorzy:
    Zhang, Fu-Rui
    Han, Jun-Feng
    Ruan, Ping
    Powiązania:
    https://bibliotekanauki.pl/articles/174817.pdf
    Data publikacji:
    2020
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    intersatellite laser communication
    point-ahead
    link stability
    simulation
    Opis:
    The static bias error angle obviously affects pre-pointing links’ stability in the presence of vibration in intersatellite laser communication. The 2nd order point-ahead angle is a source of misalignment which was ignored in most solutions, and this is the concern of our paper. In this study, we present a further analytical investigation into the point-ahead angle in complex satellite maneuvering environment. Static bias error angle induced by the 2nd order point-ahead angle has been studied under different intersatellite links. The probability density function of the pre-pointing links’ outage has been derived in the presence of pointing jitter taking consideration of the static bias angle, and the link budget has also been analyzed. Simulation model of link stability has been established to verify the numerical results by the Monte Carlo method in Matlab-Simulink environment. The results have shown that the 2nd order point-ahead angle has a significant detrimental impact on link stability in long distance links. It is a neglectable factor. This work is dedicated to intersatellite laser communication system design.
    Źródło:
    Optica Applicata; 2020, 50, 1; 111-126
    0078-5466
    1899-7015
    Pojawia się w:
    Optica Applicata
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Research on one-dimensional ubiquitiformal constitutive relations for a bimaterial bar
    Autorzy:
    Yang, Min
    Ou, Zhuo-Cheng
    Duan, Zhuo-Ping
    Huang, Feng-Lei
    Powiązania:
    https://bibliotekanauki.pl/articles/282073.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
    Tematy:
    ubiquitiform
    fractal
    composite
    displacement distribution
    elasticity modulus
    Opis:
    A one-dimensional ubiquitiformal constitutive model for a bimaterial bar is proposed in this paper. An explicit analytical expression for the effective Young modulus is then obtained, which, unlike the fractal one, leads to a continuous displacement distribution along the bar. Moreover, numerical results for concretes are calculated and found to be in agreement with previous experimental data. In addition, some previous empirical and semi-empirical constitutive models are also examined, which shows that each of these models can correspond well to a ubiquitiformal one under a certain complexity.
    Źródło:
    Journal of Theoretical and Applied Mechanics; 2019, 57, 2; 291-301
    1429-2955
    Pojawia się w:
    Journal of Theoretical and Applied Mechanics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A stereological ubiquitiformal softening model for concrete
    Autorzy:
    Ou, Zhuo-Cheng
    Li, Guan-Ying
    Duan, Zhuo-Ping
    Huang, Feng-Lei
    Powiązania:
    https://bibliotekanauki.pl/articles/281602.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
    Tematy:
    ubiquitiform
    fractal
    concrete
    softening curve
    Opis:
    A stereological ubiquitiformal softening model for describing the softening behavior of concrete under quasi-static uniaxial tensile loadings is presented in this paper. In the model, both the damage evaluation process of fracture cross-sections and their distribution along the specimens axis are taken into account. The numerical results of a certain kind of full grade concrete made of crushed coarse aggregate are found to be in good agreement with the experimental data. Moreover, an experiental relation between the lower bound to the scale invariance of concrete and its tensile strength is also obtained by data fitting of the experimental data, which provides an effective approach to determine the lower bound to scale invariance of concrete.
    Źródło:
    Journal of Theoretical and Applied Mechanics; 2019, 57, 1; 27-35
    1429-2955
    Pojawia się w:
    Journal of Theoretical and Applied Mechanics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    In vitro co-stimulation of anti-tumor activity by soluble B7 molecules
    Autorzy:
    He, Wei
    Hu, Zhong-Bo
    Liu, Fang
    Feng, Xian-Qi
    Zou, Ping
    Powiązania:
    https://bibliotekanauki.pl/articles/1041178.pdf
    Data publikacji:
    2006
    Wydawca:
    Polskie Towarzystwo Biochemiczne
    Tematy:
    immunotherapy
    tumor escape
    gene fusion
    recombinant fusion proteins
    Opis:
    In order to investigate the anti-tumor activity of a soluble B7-1/immunoglobulin G fusion protein and explore an effective method to eliminate immune escape of tumor cells, a recombinant vector encoding this fusion protein was constructed and constitutively expressed in Chinese hamster ovary cells. After purification with protein G affinity chromatography, the soluble fusion protein was tested for bioactivity. Results showed that the fusion protein could significantly increase the density of B7-1 molecules on WEHI-3 cells, a mouse leukemia cell line. Through allogeneic mixed lymphocyte tumor cultures, it was demonstrated that, with the presence of the first signal, it could also significantly enhance T cell activation and killing activity against WEHI-3 cells and interleukin-2 secretion by activated mouse T lymphocytes. The conclusion can be drawn that the soluble B7-IgG fusion protein has a potent capacity to generate or enhance anti-tumor immune response in vitro, and its clinical value deserves further investigation.
    Źródło:
    Acta Biochimica Polonica; 2006, 53, 4; 807-813
    0001-527X
    Pojawia się w:
    Acta Biochimica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    On choosability of complete multipartite graphs $K_{4,3*t,2*(k-2t-2),1*(t+1)}$
    Autorzy:
    Zheng, Guo-Ping
    Shen, Yu-Fa
    Chen, Zuo-Li
    Lv, Jin-Feng
    Powiązania:
    https://bibliotekanauki.pl/articles/744583.pdf
    Data publikacji:
    2010
    Wydawca:
    Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
    Tematy:
    list coloring
    complete multipartite graphs
    chromatic-choosable graphs
    Ohba's conjecture
    Opis:
    A graph G is said to be chromatic-choosable if ch(G) = χ(G). Ohba has conjectured that every graph G with 2χ(G)+1 or fewer vertices is chromatic-choosable. It is clear that Ohba's conjecture is true if and only if it is true for complete multipartite graphs. In this paper we show that Ohba's conjecture is true for complete multipartite graphs $K_{4,3*t,2*(k-2t-2),1*(t+1)}$ for all integers t ≥ 1 and k ≥ 2t+2, that is, $ch(K_{4,3*t,2*(k-2t-2),1*(t+1)}) = k$, which extends the results $ch(K_{4,3,2*(k-4),1*2}) = k$ given by Shen et al. (Discrete Math. 308 (2008) 136-143), and $ch(K_{4,3*2,2*(k-6),1*3}) = k$ given by He et al. (Discrete Math. 308 (2008) 5871-5877).
    Źródło:
    Discussiones Mathematicae Graph Theory; 2010, 30, 2; 237-244
    2083-5892
    Pojawia się w:
    Discussiones Mathematicae Graph Theory
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Flotation separation of wolframite from quartz using N-oleoyl sarcosine acid as collector
    Autorzy:
    Xian-Ping, L.
    Feng, B.
    Xianwen, Z.
    Li-Yying, L.
    Zheng-He, X.
    Powiązania:
    https://bibliotekanauki.pl/articles/109444.pdf
    Data publikacji:
    2017
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    flotation
    N-oleoyl sarcosine acid
    wolframite
    quartz
    Opis:
    In this study the collecting power of N-oleoyl sarcosine acid towards wolframite and quartz was studied using flotation. The adsorption mechanism was also discussed based on the results from adsorption experiments, zeta potential measurements and infrared spectroscopy study. The flotation results showed that N-oleoyl sarcosine acid showed a good collecting power towards wolframite, and the optimal flotation pH = 7 was obtained. However, the collecting power of N-oleoyl sarcosine acid towards quartz was weak. Therefore, the flotation separation of wolframite from quartz can be performed using N-oleoyl sarcosine acid as a collector. The adsorption tests and electrokinetic studies showed that N-oleoyl sarcosine acid adsorbed only on the wolframite surface. Additionally, the results from the infrared spectroscopy study confirmed that N-oleoyl sarcosine acid is adsorbed on the wolframite surface, and the metal complex (ferriccarboxylate) maybe the major adsorbed species.
    Źródło:
    Physicochemical Problems of Mineral Processing; 2017, 53, 1; 34-41
    1643-1049
    2084-4735
    Pojawia się w:
    Physicochemical Problems of Mineral Processing
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Electronic Structure and Magnetic Exchange Interaction in Fe₂NiAs Compound
    Autorzy:
    Wei, Xiao-Ping
    Zhang, Ya-Ling
    Sun, Xiao-Wei
    Song, Ting
    Zhu, Xing-Feng
    Powiązania:
    https://bibliotekanauki.pl/articles/1033418.pdf
    Data publikacji:
    2017-10
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    71.20.Lp
    71.20.Gj
    71.20.-b
    77.80.B-
    Opis:
    Using the spin-polarized relativistic Korringa-Kohn-Rostoker method, we study the electronic and magnetic properties of Fe₂NiAs compound with the Hg₂CuTi structure. Electronic calculations reveal the d-d orbital hybridization taking an important role in the compound. The calculated magnetic moments, which contain the spin and orbital moments, are primarily carried by Fe atoms located in A and B sites. The orbital moment of Fe₂NiAs system is rather small due to the cause of orbital quenching, implying a weak spin-orbit coupling. Simultaneously, we also study the influence of lattice constant on the magnetic moment, it is found that both spin and orbital moments are sensitive to the changes of lattice constants, i.e., the moments become larger as the expansion of lattice constant, indicating the enhancement of spin-orbit coupling effect. In addition, we investigate the magnetic interactions between the constituents to obtain the Heisenberg exchange coupling parameters. It is noted that the interactions are dominated by a strong exchange between Fe atoms. Finally, we acquire the Curie temperatures of Fe₂NiAs compound under different lattice constants by using mean field approximation.
    Źródło:
    Acta Physica Polonica A; 2017, 132, 4; 1320-1324
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ezetimibe prevents myocardial remodeling in an obese rat model by inhibiting inflammation
    Autorzy:
    Li, Xiao-Xing
    Zhao, Lang
    Chang, Ying
    Liu, Bao-Shan
    Xu, Feng
    Zhang, Cheng
    Ji, Xiao-Ping
    Chen, Yu-Guo
    Li, Chuan-Bao
    Powiązania:
    https://bibliotekanauki.pl/articles/1038380.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Biochemiczne
    Tematy:
    obese
    inflammation
    remodeling
    ezetimibe
    IL-6
    Opis:
    Inflammation plays an important role in the development of many obesity-related diseases. This study aimed to investigate the effect of ezetimibe on inflammation and myocardial remodeling in obese rats. A rat model of obesity was established, and myocardial damage was examined by transmission electron microscopy and Masson staining. Twenty obese rats were divided into two groups (n=10): obese group and ezetimibe group. Ten SD rats were used as controls. Western blot was performed to monitor the expression of P-p38MAPK and interleukin (IL)-6. Immunohistochemical staining was used to monitor the expression of intercellular adhesion molecule-1 and vascular cell adhesion molecule-1. In the obese rats group, we observed increased inflammatory factors and myocardial hypertrophy. In contrast, the ezetimibe group exhibited decreased expression of inflammatory factors and an improvement in myocardial remodeling compared to the obese group. Mechanistically, we found that ezetimibe decreased P-p38MAPK, IL-6, intercellular adhesion molecule-1, and vascular cell adhesion molecule-1 levels in the hearts of the obese rats. Taken together, these results indicate that ezetimibe may improve myocardial remodeling in obese rats by inhibiting inflammation.
    Źródło:
    Acta Biochimica Polonica; 2018, 65, 3; 465-470
    0001-527X
    Pojawia się w:
    Acta Biochimica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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