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The causal structure of land finance, commercial housing, and social housing in China
Chenghua Jin,최막중 서울시립대학교 도시과학연구원 2019 도시과학국제저널 Vol.23 No.2
China has implemented the dual housing supply system consisting of commercial housing provided by the private sector and social housing provided by the public sector. Since commercial housing and social housing are mediated by the land finance of local governments, however, an increase in the supply of commercial housing contributes to the income of the land finance, which may, in turn, increase the public expenditure on the supply of social housing. Though the supply of commercial housing has increased and the size of the land finance has expanded in the process of rapid urbanization in China, however, statistics do not support that the supply of social housing has increased in proportion to the supply of commercial housing. The purpose of this paper is to empirically analyse the relationship among commercial housing supply, social housing supply, and the land finance in order to verify whether the two housing types are in the indirect, complementary relationship mediated by the land finance or in the direct, substitutive relationship. The cross-sectional data is used across 274 cities in China, based on the annual average values between 2009 and 2014 regarding each city's size of land finance and the amount of land supplied for construction purposes, which includes commercial housing and economic comfortable housing. By the path analysis results that commercial housing and ECH are not in the complementary relationship mediated by the land finance, but in the substitutive relationship as they have to compete each other to secure the limited land resources.
金成华,(Jin Chenghua),王菲(Wang Fei) 원광대학교 법학연구소 2021 의생명과학과 법 Vol.26 No.-
전자담배의 출현과 급속한 확산은 인류의 전통적인 의미의 금연운동에 유례없는 도전과 문제점들을 가져다 주고 있다. 중국은 전자담배의 발명국 및 최대 생산국으로서 최근 전자담배와 관련한 문제들이 국민들의 건강권과 더불어 사회적 이슈로 떠오르고 있으며, 다양한 문제점들과 사건들이 발생하고 있다. 하지만 현 단계에서 전자담배와 관련한 이론연구가 초기 단계에 머물러 있고, 제도적으로 법적 체계가 구비되지 않아 구체적인 법 실무에서 여러 가지 어려움들이 발생하고 있다. 이러한 상황에 비추어 본문은 국민의 생명권과 건강권 차원에서 전자담배와 관련한 새로운 이론적 접근을 모색하고, 전자담배의 제도 발전상황과 관리모형을 소개하였다. 또한 현 단계에서 전자담배가 직면한 법적 어려움을 분석하고 제도적 측면에서 실현 가능한 발전방향을 제시하며, 법 실무에서의 다양한 경험축적에 대해 논의함으로서 전자담배의 법치화를 체계적으로 지향하고자 한다. 전자담배 법치화의 보완을 통해 전자담배 시장의 건강하게 발전을 기대해 본다. The emergence and rapid spread of e-cigarettes have brought unprecedented challenges and problems to the traditional anti-smoking movement. China is the inventor and largest producer of e-cigarettes, issues related to e-cigarettes combined with people’s right to health have become the focus of society in China. However, at this stage, the theoretical research related to e-cigarette is in the initial stage, there is no institutional legal system, and there are various difficulties in the specific legal practice. In view of this situation, this paper carries out the Legalization of e-cigarettes systematically by exploring new theoretical methods related to e-cigarette from the perspective of people’s right to life and health, and introduced the system development status and management model of e-cigarette. In addition puting forward realizable development direction from the perspective of institutional terms by analyzing the legal difficulties by e-cigarette at this stage, and discussing various experiences in legal practice, it aims to improve the legalization process of e-cigarettes. We look forward to the healthy development of the e-cigarette market by supplementing the legalization of e-cigarette.
중국의 삼림 보전 정책 - 퇴경환림정책에 관한 경제 분석 -
김승화 ( Chenghua Jin ),야부타마사히로 ( Masahiro Yabuta ) 전남대학교 지역개발연구소 2020 지역개발연구 Vol.52 No.1
본 연구의 목적은 중국의 삼림조림정책 중 하나인 퇴경환림정책에 초점을 맞추어 그 배경과 정책에 관하여 개관을 한 후 이론적인 분석을 추가하고, 이를 바탕으로 퇴경환림정책 수행요인에 대한 실증분석을 실시하는 것이다. 중국의 삼림정책(forestation policy)은 1990년대 후반 이후 기존의 생태림(천연림) 보전정책과 더불어 적극적으로 조림을 도모하는 퇴경환림정책(reforestation policy or grain-for-green policy) 등을 실시하고 있다. 1999년부터 시범 시행이 시작되어 2002년에 본격적으로 도입된 퇴경환림정책에 관하여 본 연구는 퇴경환림정책에 대한 전개상황을 정리하고 선행연구에서의 평가 등을 정리함과 동시에 그 이론구조를 명확히 하기 위하여 모형 분석을 하고 또 중국의 지역별 데이터를 이용해, 퇴경환 림정책 수행의 요인을 찾기 위해서 실증 분석을 실시한다. The purpose of this paper is to analyze the reforestation policy in China from empirical perspectives, focusing on the theoretical framework of its policy and effects on China's forest environment preservation. In China, the stance of forest policy changed drastically in 1998 when the flood-based disaster has occurred around the Changjiang River basin, caused by the development of land use from the forestly to agriculture to decrease the forest area at mountain regions to increase the crop production and the farmer's income. Since the late 1990s, China's forest policy (forestation policy) has changed from increasing the green forest (natural forests) in conjunction with the conservation policy, to promoting the afforestation policy to increase the forest area. The pilot project began in 1998, changed for the full-fledged version of the reforestation plan in 2003. Kyoku and Yabuta (2004), for example, gave a field research in Sichuan of China and investigated the income compensation program of converting the agriculture land to afforestation and issues such as business development and its sustainability. This paper analyses the development pattern of the reforestation policy in China, and carries out the model analysis and examines an empirical study to explore the causes of the reforestation plan execution.
Cross-reactivity of Toxocariasis with Crude Antigen of Toxascaris leonina Larvae by ELISA
JIN YAN,Chenghua Shen,허선,최민호,홍성태 대한의학회 2015 Journal of Korean medical science Vol.30 No.5
Roundworms of Toxocara canis and Toxascaris leonina are common gastrointestinal helminths of canids over the world. Humans are infected with T. canis larvae through ingestion of infective eggs in contaminated environments or larvae by consumption of raw or uncooked meat or livers. Recently, patients of clinically diagnosed toxocariasis are increasing and require correct diagnosis in Korea. The present study investigated serological cross-reactivity between crude antigens of T. canis (TCLA) and T. leonina (TLLA) larvae. We collected serum specimens from 177 toxocariasis patients who were clinically suspected in the Seoul National University Hospital and 115 healthy controls. An ELISA method for toxocariasis was used to evaluate diagnostic efficacy of TLLA for serodiagnosis of human toxocariasis. The IgG ELISA using TLLA gave 14 (14.3%) positives of 98 TCLA positive specimens among 177 suspected toxocariasis patients. Most of them showed high absorbances with TCLA. In conclusion, there is a partial cross reaction between serum specimens of toxocariasis and TLLA.
Hui Han,Chenghua Han,Yu-Hong Wang,Ting-Ting Sun,Feng-Qing Li,Junxiao Wang,Shan-Shun Luo,Guang-Jin Qu 생화학분자생물학회 2015 Experimental and molecular medicine Vol.47 No.-
The aim of this study was to investigate the expression of circulating microRNAs (miRNAs) in apolipoprotein E (apoE) knockout mice (apoE− / −) and to validate the role of these miRNAs in human coronary artery disease (CAD). Pooled plasma from10 apoE− / − mice and 10 healthy C57BL/6 (B6) mice was used to perform the microarray analysis. The results showed that miR-34a, miR-21, miR-23a, miR-30a and miR-106b were differentially expressed in apoE− / − mice, and these expression changes were confirmed by real-time quantitative reverse-transcription PCR. Then, miR-34a, miR-21, miR-23a, miR-30a and miR-106b were detected in the plasma of 32 patients with CAD and of 20 healthy controls. Only miR-34a, miR-21 and miR-23a were significantly differentially expressed in the plasma of CAD patients (all Po0.01). In conclusion, miR-34a, miR-21 and miR-23a were elevated in CAD patients, which means that these miRNAs might serve as biomarkers of CAD development and progression.