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국제경제 : 중국 국유기업이 중국 지역의 성장 및 효율성에 미치는 영향
( Rong Rong Luo ),( Keun Jae Lee ) 국제지역학회 2014 국제지역연구 Vol.18 No.1
본 논문은 중국 국유기업이 중국 지역의 성장과 효율성에 미치는 영향을 실증적으로 분석하였다. 이를 위해 1985년부터 2010년까지 중국 28개 성시(省市)의 패널자료를 이용하여 확률적변경생산함수를 추정하고, 이에 기초한 지역별 기술효율성을 추정하였다. 그리고 지역경제에서 차지하는 국유기업 비중을 포함한 기술효율성에 영향을 미치는 요인들을 회귀분석을 통해 살펴보았다. 본 연구의 주요 결과는 첫째, 국유기업 비중과 지역의 인당 소득 간에 정의 관계가 있는 것으로 밝혀졌다. 이는 과거 성장과정에서는 국유기업이 지역 성장에 중요한 영향을 미쳤음을 알 수 있다. 둘째, 중국의 경제체제는 2000년을 기준으로 생산구조가 변화된 것으로 나타났다. 셋째, 국유기업 비중과 지역의 기술적 효율성과는 부(-)의 관계가 있는 것으로 나타났다. 이는 국유기업이 지역성장에 도움을 준 것은 사실이지만, 비효율적 성장이 이루어지도록 하였다는 것을 의미한다. 이러한 결과는 중국 경제가 양적 성장의 한계에 직면할 우려가 있는 상황에서 장기적이고 지속적인 고도성장을 위해서는 비효율적인 국유기업의 개혁이 무엇보다 중요함을 시사한다. The paper is to shed empirical light on the impact of state-owned enterprises on the economic growth and efficiency, employing data for a panel of 28 provinces in China from 1985 through 2010. The main findings are as followings; first, the ratio of employment by the SOEs to total employment of a province has been correlated positively with the per capita GRDP. This result implies that the SOEs has contributed to the regional economic growth. Secondly, the ratio of SOEs to the regional economy in terms of employment turns out a negative relation with technological efficiency measured by a Stochastic Frontier Model estimation. As a result, even though it is true that the SOEs have contributed to regional growth, the way of their contribution was of inefficient. The result suggests that inefficient SOEs be reformed for China`s long-term economic growth under the circumstance that China faces the difficulties for input-oriented economic development.
Rong Rong,Huimin Zhao,Xiao Rong Gan,Shuo Chen,Xie Quan 성균관대학교(자연과학캠퍼스) 성균나노과학기술원 2017 NANO Vol.12 No.1
An electrochemical sensor for the rapid, selective and sensitive detection of Pb2+ was developed using polypyrrole-graphene (PPY-rGO) nanocomposite by electrochemical synthesis. The PPYrGO-modified electrode possessed a large effective area because of unique 3D porous architectures, and it displayed excellent selectivity for the determination of Pb2+. The response of Pb2+ on the nanocomposite-modified electrode was evaluated, and the relevant parameters were optimized by square wave anodic stripping voltammetry (SWASV). The stripping response was highly linear (R2 = 0.987) over a Pb2+ concentration range of 5 X 10-9 mol/L to 7.5 X 10-7 mol/L, with a detection limit of 4.7 X 10-11 mol/L (3σ method). Furthermore, its applicability was validated for the determination of Pb2+ levels using spiked tap water at different concentrations. The polyporous structure, satisfactory reproducibility, long-term stability and simple synthesis endow the PPY-rGO nanocomposite a promising application in the determination of Pb2+.
Oridonin Suppresses Proliferation of Human Ovarian Cancer Cells via Blockage of mTOR Signaling
Xia, Rong,Chen, Sun-Xiao,Qin, Qin,Chen, Yan,Zhang, Wei-Wei,Zhu, Rong-Rong,Deng, An-Mei Asian Pacific Journal of Cancer Prevention 2016 Asian Pacific journal of cancer prevention Vol.17 No.2
Oridonin, an ent-kaurane diterpenoid compound isolated from the traditional Chinese herb Rabdosia rubescens, has shown various pharmacological and physiological effects such as anti-tumor, anti-bacterial, and anti-inflammatory properties. However, the effect of oridonin on human ovarian cancer cell lines has not been determined. In this study, we demonstrated that oridonin inhibited ovarian cancer cell proliferation, migration and invasion in a dose-dependent manner. Furthermore, we showed oridonin inhibited tumor growth of ovarian cancer cells (SKOV3) in vivo. We then assessed mechanisms and found that oridonin specifically abrogated the phosphorylation/activation of mTOR signaling. In summary, our results indicate that oridonin is a potential inhibitor of ovarian cancer by blocking the mTOR signaling pathway.
戎蓉(Rong Rong) YIXIN 출판사 2023 Journal of China Studies Vol.1 No.4
大数据时代的到来,数据已经成为推动社会进步和发展的重要资源。西部地区拥有丰富的科技资源和教育资源,但与东部地区相比,其科技创新能力和效率还存在一定差距。文章通过建立大数据背景下高校科技创新效率的评价指标体系,分析西部地区高校科技创新效率提升问题及现状,提出基于创新生态机制的西部地区高校科技创新效率提升策略。研究表明,西部地区高校科技创新效率的评价关注投入和产出指标,建立内部提升、外部支持、协同提质、合作互联的创新生态机制将促进科技创新效率提升。研究结果为西部地区高校科技创新效率提升提供理论基础和实践指导。 With the advent of the big data era, data has become an important resource to promote social progress and development. The western region has rich scientific and technological resources and educational resources, but compared with the eastern region, there is still a certain gap in its scientific and technological innovation ability and efficiency. By establishing the evaluation index system of the efficiency of science and technology innovation in universities under the background of big data, this paper analyzes the problems of improving the efficiency of science and technology innovation in western China, and puts forward the strategy of improving the efficiency of science and technology innovation in western China based on the innovation ecological mechanism. The research shows that the evaluation of scientific and technological innovation efficiency in universities in western China focuses on input and output indicators, and the establishment of an innovation ecological mechanism with internal improvement, external support, collaborative quality improvement and cooperative interconnection will promote the improvement of the efficiency of scientific and technological innovation. The research results provide theoretical basis and practical guidance for the improvement of scientific and technological innovation efficiency in universities in western China.
유영영(Liu, Rong-Rong) 한국언어학회 2014 언어 Vol.39 No.3
The purpose of this paper is to make a point that "poda" should be divided into ‘poda1’ which indicates activity and ‘poda2’ which indicates state. ‘poda1’ has the features of activity, intention and duration, while ‘poda2’ which expresses instantaneous visual contact has the features of fortuity, passivity and instantaneite. This semantic difference about ‘poda1’ and "poda2" has a effect on their aspect. We can prove the necessity of distinguishing "poda1" from "poda2" by the combination of ‘poda’ and some adverbs such as "ilbureo‘, ’kyesok‘, ’uyeonhi‘, temporal adverbs such as ‘T-tongan’, ‘T-mane’, endings such as ‘-ko issda’, ‘-eo issda’, imperative sentences, ‘-lyeogo hada’ or negative sentences. Especially, "poida‘ can also be used to indicate state besides ‘poda2", and form corresponding relation with ‘poda2’ only, but not ‘poda1’. Furthermore, according to the aspectual properties of ‘poda‘, ‘poda1‘ can be defined as an activity verb, while ‘poda2‘ can be defined as an achievement verb. Both the composition verbs including ‘poda’ as a component and the comparison with Chinese can also be helpful to proving the rationality of distinguishing ‘poda1’ and ‘poda2’.