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고지방식이 수컷 micro-pig에서 경신강지환(經身降脂丸) (GGEx)의 고지혈증 개선효과
양유인,정양삼,이희영,이상달,김병출,김종훈,석화준,유재상,윤기현,조주흠,김훈,김경철,신순식,Yang, Yoo-In,Jung, Yang-Sam,Lee, Hee-Young,Rhee, Sang-Dal,Kim, Byoung-Chul,Kim, Jong-Hoon,Seok, Hoa-Jun,Yoo, Jae-Sang,Yoon, Ki-Hyeon,Jo, Ju-Heum,Kim, 대한한의학방제학회 2006 大韓韓醫學方劑學會誌 Vol.14 No.2
Objectives : We evaluated anti-hyperlipidemia effect of Gyeongshinganjeehwan (GGEx) in high fat induced obese male micro-pigs. Methods : 7 month-old micro-pigs are fed with normal (n = 3) or high fat diet (n = 18) for 12 weeks. The pig revealed obesity in high fat diet were divided into 2 groups (n = 5 each) and vehicle (OMP) and Gyeongshingangjeehwan (GGEx, 616.7 mg/kg/day) were administrated for 1 month. We monitored the changes in body weight and measured plasma cholesterol, triglyceride, free fatty acid, GOT and, GPT after 1 month. The visceral fat were measured with computerized tomography and weights of various organs were measured after sacrifice. Results : 1. GGEx group had significantly reduced body weight gain than obese control group in statistics. 2. GGEx group didn't significantly differ from obese control group in blood total cholesterol, blood LDL-cholesterol, blood triglyceride. but it's data were similar to normal control group. 3. GGEx group had prominantly reduced visceral fat than obese control group in computerized tomography. 4. Blood GOT and GPT didn't differ from between groups. The organ weight were not significant different. And it is normal in size and colour of visceral organs. Conclusions : It is concluded that GGEx has anti-hyperlipidemia effect by improving visceral fat and access to security.
Boundary - Scan 방식을 이용한 인쇄회로기판 테스트
김유인(Yoo In Kim),류근장(Keun Jang Ryoo),손윤식(Yoon Sik Shon),이재선(Jea Sun Lee),김윤홍(Yoon Hong Kim),임인철(In Chil Lim) 한국정보과학회 1992 한국정보과학회 학술발표논문집 Vol.19 No.2
Boundary-Scan 테스트 방식은 기존 테스트 방식으로 인쇄회로기판을 테스트할때 발생되는 장애요인을 해결한다. 본 논문에서는 Boundary-Scan 테스트 방식에서의 데이타 이동 경로를 테스트하여 부가된 경로에 대한 신뢰성을 보장하고 올바른 데이타를 전송 할 수 있게 한다. 또한 기판내 칩의 출력단 셀을 설계하여 신호연결선에서 발생된 단락고장으로 인하여 야기될 수 있는 인쇄회로기판 파손을 방지하고, 입력단 셀을 설계하여 신호연결선 테스트에 대한 결과 데이타를 효율적으로 분석하게 한다.
유인호(Yoo, In-Ho),김주야(Kim, Joo-Ya) 한국주거환경학회 2010 주거환경(한국주거환경학회논문집) Vol.8 No.2
This study is for getting basic data through grasping the obtained heat by structure of each unit and the effects of environment improvement based on judgement for whether or not a solar heating system of renewable energy installations is possible to set up in village hall public buildings as community center and senior citizen center. Conducting a survey of community center and senior citizen center in Seokbo-Myeon, Yeongyang-Gun, Gyeongsangbuk-Do and the analysis, obtained solar heat of 299,648,328 kcal every year and from this, effects of 95.0985 TCO₂. These figure equate to 19,020 pines effect. These results show that the advantage of reducing building operating costs in the long run besides effects of environment improvement. Application of renewable energy in terms of the economy continuously rising international energy prices and reduce operating costs, so long as the building can be very advantageous in terms. Reduce energy consumption in construction and environmental improvement plans for the construction of a number of ways to consider the elements of the system's high efficiency and renewable energy such as solar thermal systems are also important, but how to use should be actively considered.
중대형급 냉수, 스팀 동시 공급형 흡수식 히트펌프 시제품 성능시험 결과 분석
하현호(Hyun Ho Ha),김한길(Han Gil Kim),풍익(Feng Yi),조대한(Dea Han Cho),유인평(In Pyung Yoo),권오경(Oh Kyung Kwon),배경진(Kyung Jin Bae),김남용(Nam Yong Kim),홍성주(Sung Joo Hong),박찬우(Chan Woo Park),김인관(In Gwan Kim) 대한설비공학회 2021 대한설비공학회 학술발표대회논문집 Vol.2021 No.6
The combination of Absorption Heat Pump Type II and Single Effect Absorption Chiller is the Absorption Heat Transformer with simultaneous supply of chilled water and steam. This type of absorption heat transformer can supply steam of 120℃ and chilled water of 8℃ simultaneously by using hot water of 90℃ as heat source. A heat source of the cycle of this absorption heat transformer passes through generator and high temperature generator. The consist formation of the cycle are evaporator to produce chilled water, high temperature absorber to produce high temperature water, low temperature absorber and condenser for heat dissipation; in addition, the control system is structured exclusively for steam and chilled water. A prototype is designed based on ability of supplying 100 usRT of cooling capacity and 200kg/h of steam, and manufactured to execute performance evaluation accordingly.
수막두께와 속도를 고려한 도로포장면의 미끄럼저항 예측모델 개발
조신행(Jo Shin Haeng),이수형(Lee Soo Hyung),유인균(Yoo In Kyoon),김낙석(Kim Nakseok) 대한토목학회 2012 대한토목학회논문집 D Vol.32 No.3D
도로 포장면과 타이어 사이의 마찰 저항을 미끄럼 저항이라고 한다. 미끄럼 저항은 도로 안전에 매우 중요한 요소이며, 다양한 요인이 복합적으로 작용한다. 미끄럼 저항 측정법의 한계를 극복하기 위해 컴퓨터 모델링을 이용한 해석 수행 결과, 속도가 증가하거나 수막두께가 두꺼울수록 미끄럼 저항은 감소하였다. 해석 결과를 이용해 수막두께와 속도에 따라 수막 위를 주행하는 타이어에 발생하는 양력을 계산할 수 있으며, IFI(International Friction Index) 미끄럼 저항 예측모델과 실측 미끄럼 저항과의 차이를 줄이기 위해 양력을 반영한 수정 IFI 미끄럼 저항 예측모델을 개발하였다. 예측모델과 실측 데이터의 상관관계 분석 결과, 기존 IFI 예측모델의 R²는 0.49로, 수정 IFI 예측모델의 R²는 0.64로 나타나 수정 IFI 예측모델이 기존모델에 비해 예측 효과가 우수하였다. 포장면의 상태에 따른 수막두께를 수정 예측모델에 반영할 경우 더욱 정확한 예측모델을 얻을 수 있을 것이다. Skid resistance is defined as the friction between pavement surfaces and vehicle tires. Lower skid resistances were observed as the vehicle speeds the water film thicknesses were increased according to the analysis results using computer modeling. The lift force is calculated from the analysis results and depends on vehicle speeds and the water film thickness. A modified IFI(international friction index) skid resistance prediction model was developed to reduce the differences between the IFI resistance prediction model and the actual skid resistance. The correlation analysis results between the IFI prediction model and the actual skid resistance revealed that the R² using the modified IFI prediction model was 0.64 whereas the R² using the conventional IFI prediction model was 0.49. This presents the modified prediction model is better than the conventional one. An improved precise prediction model is to be obtained if water film thicknesses are considered in the modified prediction model.