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전기자동차용 0.5[kW]급 공기압축기의 브러시리스 직류전동기 개발
한만승(Man-Seung Han),홍성렬(Song-Ryul Hong),조주희(Ju-Hee Jo),이상훈(Sang-Hun Lee),박성준(Seong-Jun Park),김대경(Dae-Kyong Kim) 한국조명·전기설비학회 2012 조명·전기설비학회논문지 Vol.26 No.8
Recently, it is increased to apply sensorless drive for BLDC (Brushless DC) motor to maximize operating efficiency and fuel efficiency to an electrical component of (H)EV. Especially, Electric vehicle component promotes a fuel efficiency enhancement by the carbon dioxide emissions regulation of a vehicle becoming the principal of the environmental pollution globally, the oil price hike that continued increasingly. We suggested the air compressor which applied BLDC motor for electric vehicle component and compared suggested BLDC motor with the conventional DC motor. The experimental results show that the driving efficiency was increased and was inproved compressive force by suggested BLDC motor.
수종약물이 Dimethylnitrosamine에 의한 DNA, RNA 및 단백질 손상도에 미치는 영향
김재현(Jea Hyun Kim),박정식(Jung Sik Park),홍성렬(Sung Ryul Hong),권오철(O Cheul Kweon),박창원(Chang Won Park),이동권(Dong Kwon Rhee) 대한약학회 1991 약학회지 Vol.35 No.6
The purpose of this research is to evaluate effects of chloramphenicol, phenobarbital and progesterone on damage of DNA, RNA and protein which was induced by dimethylnitrosamine. N,N-Di[14C] methyl-nitrosamine (DMN) was used as a damaging agent and levels of DNA, RNA and protein damage in liver, brain and pancreas were compared with a control group. Pretreatment of mice with chloramphenicol increased protein damage in pancreas two times more than the control level. Liver RNA damage was increased up to 5.8 times and brain DNA damage up to 6.95 times by treatment of phenobarbital but brain RNA damage was decreased significantly down to 21% of the control group. The damage of liver RNA was significantly decreased by treatment of progesterone, although liver protein damage, pancreas RNA damage and pancreas protein damage were increased.