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김철희 한국사회보장학회 2004 사회보장연구 Vol.20 No.1
고용보험 사업의 직업능력개발사업 중 직업훈현(실업자재취직훈련)과 실업급여 사업이 빈곤층의 재취업확률에 어느 정도 효과를 미치고 있는지를 살펴보기 위하여 빈곤층 중에서 직업훈련 참여자와 실업급여 수급자가 재취업으로 이행할 가능성을 해자드 모형과 가속실패시간 모형(AFT) 추정을 통하여 분석하였다. 분석 결과, 직업훈련 참여가 훈련시간, 훈련직종 등에서 모두 재취업 확률을 높이는 것으로 나타나 직업훈련이 빈곤층의 실업탈출에 큰 역할을 하는 것으로 나타났다. 실업급여의 경우에도 실업급여를 받는 경우에 재취업 확률이 높게 나타나 실업급여 또한 빈곤층의 재취업에 긍정적으로 작용하는 것으로 나타났다. 따라서 적극적 노동시장 정책의 일환으로 실시되고 있는 직업훈련과 실업급여제도가 확대되고, 빈곤층이 적극 참여하여 혜택을 받을 수 있도록 이들 계층의 자발적인 관심과 참여 노력은 물론 정부 차원에서도 정책적인 고려가 함께 이루질 필요가 있다는 사실을 발견할 수 있다. In a rapidly changing knowledge-based society, 'poverty' resulting from an increasing income-gap between the rich and the poor become more serious than before in Korea. With a deep concern about the impact of 1997 financial crisis on the poor by increasing rapidly unemployment problem and sudden economic condition shift, this thesis tried to analyze the effect of determinant factors on choosing economic activities of the poor and the impact of unemployment insurance program and job training programs which are the basis of the support system. Unemployment insurance DB were used for analyzing. The significant results of this analysis are summarized as follows. After analyzing a completing job [raining and receiving social benefit effect on the probability to be reemployed, it is possible to find that the participation in the job training is a significant dominant of increasing the probability to be reemployed. It also has an influence to raise the probability to be reemployed in a terms of training period training occupational classification. Thus, the job training seems to have a significant effect for the poor to access to labor market. And also, receiving unemployment benefit turned out to raise the probability to be reemployed. The unemployment benefit also has a positive effect on the reemployment of the poor. So, it is necessary for both the government and the poor themselves to make efforts to participate actively in the job training program and unemployment benefit program.
Development of New Ethcing Gas for Cu Dry Etching and Dry Etching Process with Small Chelators
김철희,정지원,임은택,김동욱 한국공업화학회 2019 한국공업화학회 연구논문 초록집 Vol.2019 No.1
An etching process is one of the important processing in semiconductor manufacturing. Dry etching is a process of making a circuit on a substrate with gases molecules in high-density plasma conditions. Br<sub>2</sub> and Cl<sub>2</sub> are the most common gases in modern copper dry etching procedure for elimination of substrate materials at high temperature. Although Br<sub>2</sub> and Cl<sub>2</sub> are regarded as useful gases for making a complex with a copper, copper complex remains on the substrate due to low volatility and it makes difficult to form exquisite patterning. To overcome these problems, development of volatile gases is required even after making a complex with copper under low temperature in a dry etching process. Here we introduced many potential volatile gases for a dry etching process. These gases have a high affinity with copper and have a low molecular weight so that evaporate under relatively low temperature.
김철희,장임석,김정수,Fan Meng,Mizuo Kajino,Hiromasa Ueda,Yuanhang Zhang,손혜영,Youjiang He,Jun Xu,Keiichi Sato,송창근,반수진,Tatsuya Sakurai,Zhiwei Han,Lei Duan,이석조,심상규,영선우,이태영 한국기상학회 2011 Asia-Pacific Journal of Atmospheric Sciences Vol.47 No.4
Three comprehensive acid deposition models were used to simulate the sulfur concentrations over northeast Asia over the period covering entire year of 2002, and discussed the aggregated uncertainties and discrepancies of the three models. The participating models are from the countries participating in the project of Longrange Transboundary Air Pollutants in Northeast Asia (LTP): China,Japan and Korea. The Eulerian Model-3/CMAQ (by China), Regional Air Quality Model (RAQM, by Japan), and Comprehensive Acid Deposition Model (CADM, by Korea) were employed by each country with common emissions data established by the administrative agencies of China, Japan and Korea. The episodic simulation results between 1 to 15, March 2002 are also presented, during which aircraft measurements were carried out over the Yellow sea. The episodic results show both a wide short-term variability in simulations against measurements, and maximum concentration differences of 3~5 times among the three models, requiring that further attention before confidence among the three models can be claimed for short-term simulations. However, the year-long cumulative simulations showed almost the same general features, with lower aggregated uncertainties between the three models, produced by the long term integration over northeast Asia.