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유해화학물질 관련 대기오염사고 대응을 위한 화학물질사고대응정보시스템 (CARIS)
김철희 ( C. H. Kim ),박철진 ( C. J. Park ),임차순 ( C. S. Im ),김민섭 ( M. S. Kim ),박춘화 ( C. H. Park ),천광수 ( K. S. Chun ),나진균 ( J. G. NA ) 한국환경영향평가학회 2003 환경영향평가 Vol.12 No.1
The emergency response modeling system CARIS has been developed at CCSM (Center for Chemical Safety Management),NIER(National Institute of Environmental Research) to track and predict dispersion of hazardous chemicals in Korea. The main objective of CARIS is to support making decision by rapidly providing the key information on the efficient emergency response of hazardous chemical accidents for effective approaches to risk management. In particular, the integrated modeling system in CARIS consisting of a real-time numerical weather forecasting model and air pollution dispersion model is supplemented for the diffusion forecasts of hazardous chemicals, covering a wide range of scales and applications for atmospheric information. In this paper, we introduces the overview of components of CARIS and described the operational modeling system and its configurations of coupling/integration in CARIS. Some examples of the operational modeling system is presented and discussed for the real-time risk assessments of hazardous chemicals.
박병준,정세용,이정필,박병철,김철희,한상철,두승규,성태현,한영희,Park, B.J.,Jung, S.Y.,Lee, J.P.,Park, B.C.,Kim, C.H.,Han, S.C.,Du, S.G.,Sung, T.H.,Han, Y.H. 한국초전도학회 2009 Progress in superconductivity Vol.11 No.1
A superconductor flywheel energy storage(SFES) system is mainly act an electro-mechanical battery which transfers mechanical energy into electrical form and vice versa. SFES system consists of a pair of non-contacting High Temperature Superconductor (HTS) bearings with a very low frictional loss. But it is essential to design an efficient HTS bearing considering with rotor dynamic properties through correct calculation of stiffness in order to support a huge composite flywheel rotor with high energy storage density. Static properties of HTS bearings provide data to solve problems which may occur easily in a running system. Since stiffness to counter vibration is the main parameter in designing an HTS bearing system, we investigate HTS bearing magnetic force through static properties between the Permanent Magnet(PM) and HTS. We measured axial / radial stiffness and found bearing stiffness can be easily changed by activated vibration direction between PM and HTS bulk. These results are used to determine the optimal design for a 10 kWh SFES.
패혈증 환자에서 유전자 재조합 인 성장 호르몬 투여가 질소 균형에 미치는 효과
고정민(J . M . Koh),박중열(J . Y . Park),채희복,김진엽(J . Y . Kim),김철희(C . H . Kim),최철수(C . S . Choi),김양수(Y . S . Kim),임채만(C . M . Lim),고윤석(Y . S . Koh),이기업(K . U . Lee),김기수(G . S . Kim) 대한내과학회 1997 대한내과학회지 Vol.53 No.1
Background: Increased catabolism in patients with severe sepsis results in loss of body protein, which is associated with loss of skeletal muscle, impaired immune function and delayed wound healing. However, conventional nutritional support has been unsuccessful in inducing a positive nitrogen balance in septic patient. Recently, growth hormone (GH) has been reported to improve the nitrogen balance in patients with burns and multiple trauma. Methods: As a prospective, randomized, placebo-controlled trial, we studied the effects of 8 day treatment of recombinant human GH(rhGH) on nitrogen balance in patients with sepsis. Twenty four patients with sepsis admitted to medical intensive care unit from July, 1993 to June, 1995 were divided into GH-group(n=13) and control group(n=11). RhGH (EutropinR, Lucky) 0.4IU/kg or same volume of saline was administered once daily as subcutaneous injection for 8 days. Results: Twenty one patients((H group; 12, control group; 9) completed the study. Nitrogen balance was negative on day O, but became positive on day 2 and remained positive throughout the study period in the GH group. Mean nitrogen production rate [nitrogen excretion rate(g/day+△BUN(mmol/L/day)×0.019×body weight(kg)) was significantly lower in GH group than that in control group(12.8±3.9g/day vs. 16.8±4.1g/day p<0.05). Conclusion: GH treatment improved nitrogen balance in patients with severe sepsis and this improvement was associated with a decrease in nitrogen production rate. These results suggest that GH administration may be beneficial in nutritional sup- port for patients with severe sepsis.