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Phytoremediation of Urban Air Pollution
Fang, Qin,Wang, Yun,Jin, Jie Urban Science Institute 2019 도시과학 Vol.8 No.2
With the rapid progress of society and economic growth, more and more factories are put into construction, although to a certain extent to promote the development of our country's economy, but the waste gas and waste water produce also harm the environment.Among them, air pollution causes great damage to the environment and harms human health.In order to protect people's safety and health, people began to look for some measures to control air pollution, one of the most effective way is to plant more green plants, using plants for air purification.
Explore Rural Female Elders’ Old-Age-Provision Plight and Solutions
Fangqin Du,Jun Liang,Yan Huang 숙명여자대학교 아시아여성연구원 2009 Asian Women Vol.25 No.4
By the Participatory-Need-Assessing and in-depth interviews we began to investigate the current living situation of the rural female elders at five sampled villages scattered in three of the counties or cities in Henan - a province located in Central China with a large rural population. We found a very strange and contradictory phenomenon: “Strong Son- preference” for “Raising-Son-for-Old-Age-Nurturing” VS the “Having-Son-But-Having-No-Old-Age-Provision” Plight. After many participatory discussions with the villagers, we realize that the roots lie in the patriarchic principles, which still directing the rural families. The first is the “patrilineal family succession”, or to carry on the line of the family by following the father-to-son principle; the second is the “son staying in, daughter moving out” marital residency convention, which constraints a married woman being the member of her husband’ familiy but not her native family; the third is the sex-based labor division principle of “men running without, woman within.” These lend to two vicious cycles: “Raising-Son-for-Old-Age-Nurturing” but the “Having-Son-But-Having-No-Old-Age-Provision”, the conflicts for centuries between the daughter-in-law and the mother-in-law. As one feminist action research, we are exploring to break through the patriarchal institution and promote a diversified old-age-provision model, including 1) the family-based old-ageprovision such as the son and daughter respectively or united providing their parents, the parents providing themselves; 2) the community-based old-ageprovision; 3) the government-based old-age-provision.
Developing Women's Studies at Universities in China : Research, Curriculum and Institution
DU, Fangqin Ewha Womans University Press 2005 Asian Journal of Women's Studies(AJWS) Vol.11 No.4
This paper first describes and reviews the history and development of the current situation of women's studies in China. Following the opening up and introduction of the reform policy in the 1980s, women's studies in China did not focus on curriculum development in higher education, but emphasized applied research projects. This situation did not change much until the beginning of 21st Century. There are four main factors that have encouraged the development of women's studies: a) the joint initiative efforts of feminist scholars in China and overseas; b) financial support from international foundations-Ford Foundation, in particular; c) The demand from students, especially female students; d) support and advocacy by the Women's Federations. At present, women's studies in mainland China is still in an early stage of development, As far as reflective dialogue within the discipline is concerned, long-range and intense exploration and cultural criticism is required, for example, regarding inconsistency in theories and concepts, and the good and bad elements in the curriculum. Second, this study examines the project, "Develop the Women's and Gender Studies in China," as a case in order to explore the unique experiences and development of women's studies in the Chinese context. Third, it points to difficulties that may be addressed in the future. Chinese women's studies scholars have come to see more clearly the significance, aims and tasks carried out by women's studies curriculum, research and institutions.
Ji Zhang,Fangqin Lin,Xiaoyi Ding 대한영상의학회 2016 Korean Journal of Radiology Vol.17 No.3
Objective: To assess the maturation disparity of hand-wrist bones using the BoneXpert system and Greulich and Pyle (GP) atlas in a sample of normal children from China. Materials and Methods: Our study included 229 boys and 168 girls aged 2–14 years. The bones in the hand and wrist were divided into five groups: distal radius and ulna, metacarpals, proximal phalanges, middle phalanges and distal phalanges. Bone age (BA) was assessed separately using the automatic BoneXpert and GP atlas by two raters. Differences in the BA between the most advanced and retarded individual bones and bone groups were analyzed. Results: In 75.8% of children assessed with the BoneXpert and 59.4% of children assessed with the GP atlas, the BA difference between the most advanced and most retarded individual bones exceeded 2.0 years. The BA mean differences between the most advanced and most retarded individual bones were 2.58 and 2.25 years for the BoneXpert and GP atlas methods, respectively. Furthermore, for both methods, the middle phalanges were the most advanced group. The most retarded group was metacarpals for BoneXpert, while metacarpals and the distal radius and ulna were the most retarded groups according to the GP atlas. Overall, the BAs of the proximal and distal phalanges were closer to the chronological ages than those of the other bone groups. Conclusion: Obvious and regular maturation disparities are common in normal children. Overall, the BAs of the proximal and distal phalanges are more useful for BA estimation than those of the other bone groups.
Weiqun Chu,Hailong Liu,Qilin Zhang,Fangqin Li,Cheng Peng,Zhihai Cheng,Jiang Wu,Sorachon Yoriya,Ping He,Hai Zhang 한국공업화학회 2023 Journal of Industrial and Engineering Chemistry Vol.125 No.-
Regulation of carrier capture and transport is critical for the enhancement of photocatalytic activity. Inthis work, a Bi5O7I photocatalyst containing double vacant tazetta-like structure was synthesized byone-pot calcination. X-ray photoelectron spectroscopy (XPS) and electron spin resonance spectroscopy(ESR) analysis showed that the vacancy structure improved the activation performance of adsorbed oxygen,thereby promoting the participation of superoxide radicals in the photocatalytic reaction. The resultsof electron paramagnetic resonance (EPR), electrochemical impedance spectroscopy (EIS) and timeresolvedphotoluminescence spectroscopy (TRPL) revealed that the defect state induced by double vacanciescould adjust the electron transport pathway, and the fluorescence lifetime could reach 3.043 ns,which greatly improved the photocatalytic reactivity. We further tested the photocatalytic activity ofheavy metal mercury removal experiment, and the optimal photocatalytic mercury removal efficiencyincreased to 83%. Finally, combining the results of DFT calculation and photocatalytic mercury removalexperiments, we proposed the photocatalytic reaction mechanism of Bi5O7I regulated by double vacancies. Our work provides a more convenient method for the design of defect engineering photocatalystsand provides effective theoretical support for photocatalytic removal of heavy metal mercury in flue gas.