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Comparative Molecular Field Analysis(CoMFA) of Antitumor Benzo[c] phenanthridine Derivatives
Cho, Won Jea,Yoo, Su Jeong,Park, Myun Ji 전남대학교 약품개발연구소 1996 약품개발연구지 Vol.5 No.1
Comparative molecular field analysis (CoMFA) was applied to a set of antitumor benzo[c]phenanthridines as well as 3-arylisoquinolin-1(2H)-ores. The results indicate a strong correlation between the cytotoxic activity of these compounds against human colon tumor cell (HCT 15) and the electrostatic, steric, and cLogP factors, among which the contribution of electrostatic factor was the test important. CoMFA quantitative structure-activity relationship models exhibited considerable predictive ability.
Effects of HACCP System Implementation on Medicine Use and Productivity of Swine Farms in Korea
Jea Jin Cho,Seung Hee Baek,Dong Gyun Lim,Su Il Pyo,Won Cheol Lee,In Sik Nam 한국축산식품학회 2010 한국축산식품학회지 Vol.30 No.3
This study was conducted to examine the effect of HACCP implementation on the cost of medicine use, antibiotic utilization, and productivity of swine in Korea. Data were collected from forty-five swine farms before and after implementation of a HACCP system. The cost of medicine used, the number of different antibiotics used and the number of feeds containing antibiotic supplements added at the feed company tended to be lower (p>0.05) after HACCP implementation. Additionally, the number of feeds containing antibiotics supplemented at the farm was significantly lower after HACCP implementation (p
Power control strategies of a DC-coupled hybrid power system for a building microgrid
Cho, Jea-Hoon,Hong, Won-Pyo The Korean Institute of IIIuminating and Electrica 2011 조명·전기설비학회논문지 Vol.25 No.3
In this paper, a DC-coupled photovoltaic (PV), fuel cell (FC) and ultracapacitor hybrid power system is studied for building microgrid. In this proposed system, the PV system provides electric energy to the electrolyzer to produce hydrogen for future use and transfer to the load side, if possible. Whenever the PV system cannot completely meet load demands, the FC system provides power to meet the remaining load. The main weak point of the FC system is slow dynamics, because the power slope is limited to prevent fuel starvation problems, improve performance and increase lifetime. A power management and control algorithm is proposed for the hybrid power system by taking into account the characteristics of each power source. The main works of this paper are hybridization of alternate energy sources with FC systems using long and short storage strategies to build an autonomous system with pragmatic design, and a dynamic model proposed for a PV/FC/UC bank hybrid power generation system. A simulation model for the hybrid power system has been developed using Matlab/Simulink, SimPowerSystems and Matlab/Stateflow. The system performance under the different scenarios has been verified by carrying out simulation studies using a practical load demand profile, hybrid power management and control, and real weather data.
Cho, Won-Jea,Le, Quynh Manh,Van, Hue Thi My,Lee, Kwang Youl,Kang, Bok Yun,Lee, Eung-Seok,Lee, Sang Kook,Kwon, Youngjoo WILEY-VCH Verlag 2007 Chem Inform Vol.38 No.43
<P>ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.</P>