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周秀元 동아대학교 공과대학 부설 한국자원개발연구소 1985 硏究報告 Vol.9 No.2
The new epidemic model, while remaining essentially deterministic in nature, incorports a very desirable feature of stochastie models by representing the latent and infectious period of disease by their mean values and respective standard deviation. The effect of application and variation of each of the active and passive vaccination controls has also been studied.
周秀元,金權洙,鄭亨煥 동아대학교 공과대학 부설 한국자원개발연구소 1985 硏究報告 Vol.9 No.1
This study aimed at seeking system characteristic constant in power system as simple as possible and, by using it, calculating optimum reactive power source. The results are as follow. 1. The theory employed in this research showed the excellence of obtaining system characteristic constant as fast as possible. 2. Any system characteristic constant reasonable to the system's flow condition, whether it was on heavy or light load, was to be obtained. 3. The validity of the theory was affirmed by some calculating examples in terms of model system.