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한우 및 유우에서의 indocyanine green 배설시험 및 혈장효소 활성치의 변화
손민수,김철호,최일관,김진구,허주형,강정부,Son, Min-soo,Kim, Cheol-ho,Choi, IL-kwan,Kim, Jin-gu,Hur, Ju-hyeong,Kang, Chung-boo 대한수의학회 1992 大韓獸醫學會誌 Vol.32 No.4
This experiment was carried out to establish a proper method of indocyanine green(ICG) excrection test for a applicable liver function test in three Korean native cattle average weighing about 450kg and dairy cattle parity of 3~5. The results obtained the half life($T^1/_2$), fractional clearance rate(KICG), retention rate and plasma enzyme activities before or after injection of ICG were as follows. 1. The maximum absorbance of ICG in plasma was at 805nm. 2. Average half life and fractional clearance rate following the injection of ICG 0.25mg/kg body weight were $5.53{\pm}1.27$ minute and $0.131{\pm}0.031$/minute in Korean native cattle, $4.55{\pm}0.68$ minute and $0.156{\pm}0.031$/minute in dairy cattle, respectively. The ICG removal rate was exponentially liner for the first 15 minutes after injection both of Korean native cattle and dairy cattle. 3. Average plasma retention rate when 10, 15, 30 minutes after injection was $35.7{\pm}13.9$, $23.2{\pm}7.1$, $10.8{\pm}3.5%$ in Korean native cattle, $26.8{\pm}3.3$, $14.2{\pm}1.2$, $5.5{\pm}2.2%$ in dairy cattle, respectively. 4. Plasma enzyme activities(AST, ALT, r-GTP) were no variation among the before, during and after injection of ICG. From these results, ICG excretion test to cattle is applicable to evaluation of liver funtion in both clinical and research, and adopted the 15 minutes plasma sample as the sample taken at the ideal time for comparative purposes.
환경적 측면의 ODA사업 효율성과 우선순위 평가: 폐기물 에너지화 기술과 오수, 지하수 정화 기술을 중심으로
손민수 ( Minsu Son ),김홍석 ( Brian H. S. Kim ) 성균관대학교 국정관리대학원 2014 국정관리연구 Vol.9 No.2
본 연구는 폐기물 에너지화 기술과 오수.지하수 정화 기술의 개발도상국에 대한 기술공여시 환경편익과 효율성을 분석하였다. 이는 도시화가 가속화되고 있는 개발도상국의 도시환경 오염 개선의 편익을 산출하고, 이를 바탕으로 기술원조의 우선순위를 결정하는 정책적 방향을 제시하고자 함이다. 분석결과, 인구규모가 큰 나이지리아, 인도네시아, 필리핀 등의 국가가 환경편익이 크게 산출되는 반면, 인구규모는 작지만 아프가니스탄, 에티오피아, 탄자니아, 캄보디아, 라오스 등의 경우 도시인구 증가율의 영향으로 2050년까지 환경편익 변화율이 큰 곳으로 재생기술 도입의 효과가 효율적인 지역으로 구분할 수 있다. 온실가스 감축효과의 경우 온실가스 배출량 변화의 가장 큰 비중을 차지하는 국가는 절대적인 인구의 규모가 큰 인도네시아이다. 그 다음으로 나이지리아, 카자흐스탄, 페루, 이집트 등의 순이며 이와 같은 양상은 국가별 도시인구의 규모에 따른 영향이 크게 작용한 것으로 판단된다. 감축의 효율성 측면에서는 환경편익 변화율과 동일하게 아프가니스탄, 에티오피아, 탄자니아, 캄보디아, 라오스 등의 국가가 배출량 감축효율이 좋은 것으로 나타났다. The objective of this study is to evaluate the effectiveness and efficiency in environmental benefits and greenhouse gas mitigation from urban regeneration technologies provided by ODA to the beneficial countries. Because of increasing number of problems suffered due to accelerated urbanization in these countries, the promising transfer technologies are waste-to-energy and sewage purification. Environmental values from these technologies transfers are measured using benefit transfer method. The most effective countries are the countries with a large population, such as Nigeria, Indonesia, and The Philippines, and the most effective countries are the countries with fastest urban acceleration, such as Afghanistan, Ethiopia, Tanzania, Cambodia, and Laos. For the CO2 emission reduction, most effective countries are Indonesia, Nigeria, Kazakhstan, Peru, and Egypt, whereas most efficient countries are Afghanistan, Ethiopia, Tanzania, Cambodia, and Laos.
손민수(Min-su Son),공흥배(Heung-bae Gong),박준영(Joon-young Park),김동욱(Dong Wook Kim),박태선(Tae Seon Park) 대한기계학회 2016 대한기계학회 춘추학술대회 Vol.2016 No.12
Film cooling on a curved surface has been studied numerically. The variations of coolant velocity, injection angle, and curvature are described with the wall heat transfer rate. The improved heat transfer is observed for the curved wall. The results are useful for many applications.
손민수(Minsoo Son),박미소(Miso Park),정혜진(Hyejin Jung) 대한기계학회 2012 대한기계학회 춘추학술대회 Vol.2012 No.11
We have studied on a nanoparticle precipitator using thermophoretic force by temperature gradient. The deposition time of nanoparticles onto a substrate was computed by theoretical analysis and CFD methods, respectively. We analyzed the deposition time by two methods, and we notice of a particle motion and tendency. Also, we carried out experiments using simple apparatus and got the SEM images collected particles. As a result, we predicted a particle motion in the precipitator using theoretical equation and CFD and we designed the precipitator using design variables by this study.