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김종관,송상기,오진우,Kim, Jong-Kwan,Song, Sang-Kee,Oh, Jin-Woo 한국음향학회 1997 韓國音響學會誌 Vol.16 No.1
자동차의 진동은 공기저항력, 엔진가진력, 타이어의 불균형 질량 그리고 타이어 유니포머티에 의한 가진력의 결과이다. 특히 조향계의 셰이크와 시미현상은 차체 진동, 타이어 불균형 진동 그리고 타이어 유니포머티와 관련이 깊다. 본 연구에서는 타이어의 불균형 질량과 타이어 유니포머티에 의한 시미현상을 연구하였다. The vehicle vibrations result from the exciting forces which are caused by air resistance, engine firing, tire mass unbalance and tire uniformity. Especially, the shake and shimmy phenomena in the steering system are closely related to the vehicle vibration, the tire unbalance, and the tire uniformity. This study presents the shimmy phenomena due to the tire mass unbalance and the tire uniformity in order to investigate their effects.
글루타티온 S-전환효소 다형성과 뇌혈관질환(腦血管疾患) 및 사상체질 사이의 연관성(聯關性)에 관한 연구
김종관,한병삼,김경요,고기덕,옥윤영,Kim, Jong-Kwan,Han, Byung-Sam,Kim, Kyung-Yo,Go, Gi-Deok,Ok, Yoon-Young 사상체질의학회 2002 사상체질의학회지 Vol.14 No.1
Glutathione S-transferase polymorphisms (GST) were examined in 98 cases with cerebrovascular disease (CVD) to test the hypothesis that GST polymorphisms confer a risk to an individual to develop CVD. Tobacco smoke is a major cause of both cancer and vascular disease. We therefore were stratified the subjects with CVD for smoking status, and then examined whether polymorphisms in this detoxification enzyme gene, GST, influence risk of CVD. Neither GSTM1 nor GSTT1 genotypes in the CVD group was significantly different from the control group (n=230), even in smokers. We attempted the combined analyses for GSTM1 and GSTT1 genotypes in CVD for smoking status. No significant association observed between the combined genotypes and CVD. We also classified the subjects and control group into four types according to Sasang Constitutional Medicine, Korean Traditional Oriental Medicine, and investigated the association among GST genotypes, CVD, and Sasang constitutional classification. Our observations do not confirm the effect of the GSTM1 and GSTT1 genotypes as a risk factor for CVD, even in smokers. Furthermore, we first attempted to evaluate the efficacy of Sasang Constitutional Medicine, and to find an association with CVD.