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김태환,홍솔이,한다님,임은철,Kim, Tae-Hwan,Hong, Sol-Yi,Han, Da-Nim,Lim, Eun-Chul 사상체질의학회 2007 사상체질의학회지 Vol.19 No.3
1. Objectives The purpose of this study was to evaluate whether use of Yeoldahanso-tang(熱多寒少湯) may injure the liver function. We clinically studied the change of liver function rest in patients who were admitted in Dongseo Oriental Medical Hospital. 2. Methods We analyzed rhe serum alkaline phosphatase(AIP), aspartate aminotransferase(AST), alanine aminotransferase(ALT), ${\gamma}$-glutamyl transpeptidase(${\gamma}$-GT), total bilirubin of 25 patients from 1st. July. 2004 to 15th. October. 2007 admitted in Dongseo Oriental Medical Hospital. Liver function test were done on admission and before discharge. 3. Results For most patients, the values of AIP, AST, ALT, ${\gamma}$-GT and total bilirubin were within normal range or decreased. 4. Conclusions This study suggests that Yeoldahanso-tang(熱多寒少湯) does not injure liver function of human.
온도를 고려한 디젤유가 혼입된 엔진오일의 점도특성에 관한 실험적 연구
김한구(Han Goo Kim),김태환(Tae Hwan Kim),김청균(Chung Kyun Kim) 한국트라이볼로지학회 2006 한국트라이볼로지학회 학술대회 Vol.2006 No.6
An experimental study was conducted to evaluate the viscosity characteristics of multi-grade engine oils in which contains diesel fuels as functions of temperature variations. In this study, a diluted test sample for engine oils was made to have 5%, 10% and 15% fuel contents in unused engine oils, SAE 5W40, 10W40 and 15W40. The engine oil viscosity was measured with temperature variation ranging from -20℃ to 120℃ using a viscometer. The diesel fuel in which is blended to an engine oil plays an important role for decreasing an engine oil viscosity. Test results show that the viscosity tends to fall from a low temperature to a high one when a fuel mixed with engine oils. The viscosity variation in a low temperature zone is radically decrease compared with a high temperature zone. An equation that can predict the viscosity with the fuel dilution, based on the empirical result was expressed in the exponential function with the variation of the temperature was shown. The 5W40 engine oil showing low viscosity characteristic in the low temperature region matches close with the theoretical equation and the experimental result. The 15W40 engine oil showing high viscosity characteristic in the low temperature region however shows little difference with the theoretical equation and the experimental result. With the theoretical equation, it is possible to predict the limitation of the fuel dilution which doesn't affect as the influence of the engine elements at the concept design stage of the CDPF development system.
사용자 이용패턴을 분석기반으로 은행 ATM 기기에서 보이스피싱 방지 개발
김민영 ( Min-young Kim ),김태환 ( Tae-hwan Kim ),박범한 ( Beom-han-park ),한원희 ( Won-hee Han ),홍요한 ( Yo-han Hong ) 한국정보처리학회 2023 한국정보처리학회 학술대회논문집 Vol.30 No.2
금융 소외 계층은 여전히 보이스피싱과 같은 금융 범죄의 위험에 직면하고 있다. 본 논문에서는 이러한 위험을 완화하기 위해 모바일 애플리케이션을 통한 보이스피싱 예방을 강화하고자 한다. 이를 위해 AI 기술을 적용하여 데이터를 추출, 학습 및 분석하는 혁신적인 보안 기술을 개발하고자 한다. 이러한 기술의 적용을 통해 금융 소외 계층을 더 효과적으로 보호하고 금융 범죄로부터 보안을 강화하는데 기여할 것으로 기대한다.
자동차 타이어 시스템의 트라이볼로지적 특성에 관한 고장 사례 연구
이일권(Il Kwon Lee),전윤수(Yoon Soo Chun),김청균(Chung Kyun Kim),김한구(Han Goo Kim),이병관(Byung Kwan Lee),김도현(Do Hyun Kim),김태환(Tae Hwan Kim),김영규(Young Gyu Kim) 한국트라이볼로지학회 2006 한국트라이볼로지학회 학술대회 Vol.2006 No.6
타이어는 주행중 운전자의 안전과 밀접하게 관계되어 있기 때문에 항상 점검해야 할 기본적인 요소이다. 타이어는 공기압이 규정보다 적을 때 타이어의 좌우 과다 마모, 공기압이 규정보다 클 때는 중앙부가 과다 마모된다는 것을 확인하였다. 또한 차량의 휠 얼라인먼트 불량으로 인해 타이어의 한 쪽이 과다 마모된다는 것을 확인하였다. 그리고 타이어의 운행중 반복적인 고속 주행과 과부하에 의한 숄더부 찢어짐 현상, 주행중 타이어에 이물질 끼임에 의한 휠 밸런스 불량, 도로의 턱이나 계단, 요철도로와의 마찰로 인한 타이어 코드 손상 사례를 확인하였다. As the tire is connected with driver's safety during operating, it always has to inspect. When the air pressure of tire is less than regular value, the two side surface of tire is much weared. When the air pressure of tire is more than regular value, the center surface of tire is much weared, Also, inferiority wheel alignment of vehicle, one side surface of tire identified a large of wearing. The researcher certified another failure examples that tearing phenomenon of tire shoulder parts by repeating high speed driving and overload, badness of wheel balance by other body inserting, damaging of tire cord by rubbing with prominence and pression road and a jaw of road and stairs might take place in actual vehicle.