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박재순(Jae-soon Park),김일환(Il-Hwan Kim),탁태오(Tae-oh Tak),국민구(Min-gu Kuk),김대희(Dae-hee Kim),신승언(Seung-eon Shin),김정한(Jung-han Kim),이동섭(Dong-sub Lee),김승만(Seung-man Kim),김도식(Do-shik Kim),임경재(Kyung-jae Im) 대한기계학회 2006 대한기계학회 춘추학술대회 Vol.2006 No.6
Motorized retractors enhance the safety of passengers by removing the slack of webbing and by holding upright driving position. Reliability of a driving mechanism that includes one-way clutch between the driving motor and webbing is directly linked to the safety of passenger. In this research, conditions for locking one-way clutch and also conditions for sustaining locking are theoretically investigated. the operation of a motorized retractor under realistic conditions is simulated in order to validate the proposed retractor design.
마늘 추출물의 Nitrosamine 생성반응에 미치는 영향
박동기,이시경,이중근,임경재,이문수 한국농화학회 2000 Applied Biological Chemistry (Appl Biol Chem) Vol.43 No.2
This study was carried out to investigate the effect of extracts from garlic on the formation of nitrosamine, nitrosomorphorine, the nitrite scavenging ability and the antioxidant activity. The extracts from garlic made the nitrite scavenging ability higher at low pH than at high pH. Especially ethanol extracts from garlic resulted in 89.6% of nitrite scavenging ability at pH 1.2. They were also more effective in the electron donating and antioxidant abilities than water extracts in expressing as the reduction of α,α-diphenyl-β-picrylhydrazyl(DPPH) and peroxide value(POV), respectively. Inhibitory effect of nitrosamine formation by ethanol extract from garlic was excellently more than 80% at pH 1.2 and 3.0, but only 29.9% at pH 6.0. This meant that the inhibition of nitrosamine formation is pH dependent.