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디지털 인간공학 시뮬레이션 기법을 이용한 작업자세 분석
김남두,임현준,박희석,차태인,Kim, Nam-Du,Yim, Hyun-June,Park, Hee-Sok,Cha, Tae-In 대한인간공학회 2007 大韓人間工學會誌 Vol.26 No.2
The objective of this study was to investigate the validity of the digital ergonomic simulation (DES) method as a prospective alternative to the ergonomic analyses conducted by experts. The DES method utilizes commercial digital manufacturing software, and can compute the RULA scores continuously throughout the simulated work cycle. It was shown in a case study that the accuracy and objectivity of the DES method are superior to those obtained by experts. Also, it was demonstrated that the DES method has a distinct capability to simulate and validate a proposed work plan. Major limitations of the current DES method lie in the extensive time and efforts required for accurate digital simulation, which may be overcome through an automatic module for RULA data acquisition and a motion capture system.
흥동호(Dong Ho Hong),장호송(Hu-Song Zhang),김광호(Kwang-Ho Kim),길기현(Gi Hyun Gil),김재민(Jae Min Kim),한명규(Myong Kyu Han),배진숙(Jin-Sook Bae),김남두(Nam Du Kim),이현걸(Hyun Kul Lee),이정숙(Jung Suk Lee),이선경(Sun Kyung Lee),박찬구 한국독성학회 2004 Toxicological Research Vol.20 No.4
This study was performed to evaluate repeated-dose toxicities of CONP01 in Sprague-Dawley rats. CONP01, a new antiarthritic agent was administered orally to rats at dose levels of 0, 125, 500 and 2,000 mg/kg/day for 4 weeks. In present study, there were no dose response changes in mortality, clinical signs, body weight changes, food and water consumption, ophthalmoscopy, organ weights, urine analysis, hematological findings, and biochemical examination of all animals treated with CONP01. Gross and histopathological findings revealed no evidence of specific toxicity related to CONP01. These result suggest that no observed adverse effect level (NOAEL) of CONP01 may be over 2,000 mg/kg in rats.
새로운 관절염 CONP01의 생식독성연구: 랫드 배·태자 발생시험
이정숙(June-Suk Lee),홍동호(Dong Ho Hong),김광호(Kwang-Ho Kim),장호송(Hu-Song Zhang),길기현(Gi Hyun Gil),한명규(Myong Kyu Han),양현주(Hyun Ju Yang),배진숙(Jin-Sook Bae),김남두(Nam Du Kim),송시환(Si Whan Song) 한국독성학회 2005 Toxicological Research Vol.21 No.1
A developmental study of CONP01, a new antiarthritic agent, was conducted in Sprague- Dawley rats. Dosage of CONP01 0, 111, 333, and 1000 mg/kg/day were administered to dams orally from day 6 to day 16 of gestation. Two-third of dams per group were subjected to caesarean section on day day 20 of pregnancy for examination of their fetuses, and the remaining one-third of dams per group were allowed to deliver naturally for postnatal examination of their offspring. There was no change in the dams body weights, food consumptions, specific clinical sings and gross findings. There was significant decrease only in the absolute and relative weights of right ovary in 111 mg/kg treatment group, when compared with the vehicle control, whereas other organ weights were not changed. Moreover, no increase in the frequencies of external, visceral and skeletal malformation of fetuses were observed in the treated groups. These results suggest that the oral NOAEL (no observed adverse effect level) of CONP01 may be over 1,000 mg/kg in dams and fetuses of rats.