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이영(Young Lee),정기홍(Ki-Hong Chung),문성암(Seong-Am Moon),민순홍(Soon-Hong Min),강동주(Dong-Joo Kang) 한국SCM학회 2014 한국SCM학회지 Vol.14 No.1
There have been few studies on topology of whole supply chain network as a specific unit of analysis. In this paper we investigate the topological characteristics of a whole military supply chain network using NetworkX by Python, based on the database of 16,394,122 transactions. The result shows that connectivity distribution of military supply chain network follows power law. The degree exponents are 2.09 and 2.03, respectively in our study. It means that the military supply chain network is a typical scale-free network. Through this interdisciplinary research, it is expected that network science could be applied to the analysis of SCM as a effective tool to deal with the growing complexity of supply chain network.
복수암세포 lactic dehydrogenase isozyme 활성에 대한 항암제의 억제작용에 대하여
정기홍 中央醫學社 1968 中央醫學 Vol.15 No.4
1) The author in the present paper, investigated the inhibitory effects of 6-mercapto-purine and 5-fluorouracil on the activities of lactic dehydrogenase and its isozymes, H-and M-LDH respectively, to find out that these anti-tumor agents exerted selective action towards the 2 isozymes. 2) Both of the agents inhibited the activity of LDH of the Sarcoma-180 ascites cells, the effect exerted by 5-fluorouracil being far greater than the effect displayed by 6-mercaptopurine. 3) Both of the agents showed the inhibitory effects on the LDH isozymes, but the inhibition of M-LDH was more pronounced than the inhibition of H-LDH by both of the agents. 4) 5-Fluorouracil showed more marked inhibitory effect on the M-LDH than 6-Mercaptopurine.