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Analysis of Temporal Change in Soil Erosion Potential at Haean-myeon Watershed Due to Climate Change
이원대,박윤식,정영훈,강현우,양재의,임경재,금동혁 한국토양비료학회 2014 한국토양비료학회지 Vol.47 No.2
Climate change has been social and environmental issues, it typically indicates the trend changes of not onlytemperature but also rainfall. There is a need to consider climate changes in a long-term soil erosion estimationsince soil loss in a watershed can be varied by the changes of rainfall intensity and frequency of torrentialrainfall. The impacts of rainfall trend changes on soil loss, one of climate changes, were estimated usingSediment Assessment Tool for Effective Erosion Control (SATEEC) employing L module with currentclimate scenario and future climate scenario collected from the Korea Meteorological Administration. A 62km2 watershed was selected to explore the climate changes on soil loss. SATEEC provided an increasing trendof soil loss with the climate change scenarios, which were 182 ton/ha/year in 2010s, 169 ton/ha/year in 2020s,192 ton/ha/year in 2030s,182 ton/ha/year in 2040s, and 218 ton/ha/year in 2050s. Moreover, it was found thatapproximately 90% of agricultural area in the watershed displayed the soil loss of 50 ton/ha/year which isexceeding the allow able soil loss regulation by the Ministry of Environment.
원저(原著) : 6% DMSO-Valeri법을 이용한 혈소판 제제의 동결보존 및 해동 후의 검사성적에 대한 연구
김희범 ( Hee Bum Kim ),진혜영 ( Hae Young Jin ),박문자 ( Mun Ja Park ),이원대 ( Won Dae Lee ) 대한임상병리사협회 1995 임상수혈검사학회 발표자료집 Vol.2 No.1
Frozen storage of autologous platelets is highly desirable for patients with non-hematologic disease whose therapy will cause bone marrow ablation,for alloimmunized patients in remission and for patients with expected episodic needs for platelets. Several cryoprotectants have been used to freeze platelets, but DMSO is the agent that is preferred. Transfusion of frozen-stored platelets is still considered experimental,but use of DMSO no longer requires filing for investigational new drug approval, and several medical centers have developed protocols for collecting,storing,and transfusing cryopreserved autologous platelets. Autologous platelets collected from patients with acute leukemia in remission can be frozen and made available during relapse for transfusion support.The procedure may also be used for allogeneic platelets for military use and for alloimmunized patients.
정의진(Euijin Joung),김길동(Gildong Kim),이한민(Hanmin Lee),이원대(Wondae Lee),이종기(Jongki Lee) 대한전기학회 2010 대한전기학회 학술대회 논문집 Vol.2010 No.4
In the platform of the urban transit system, a certain gap is inevitably made between the subway vehicle and the platform, and the gap gets wider in the curved area of the platform. This gap contributes to decrease passengers' safety. In this paper, we presents development process for safety step, trends of safety step, development plan, technical description and etc. In this study, we has considered safe operation of the subway vehicle when safety step are operated closely related to the doors, and explored the possibilities to put it into practical use.