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김학열 ( H. Y. Kim ),이상종 ( S. J. Lee ),조방환 ( B. W. Cho ),박정노 ( J. R. Park ),유재영 ( J. Y. Yu ) 대한내과학회 1971 대한내과학회지 Vol.14 No.3
A wide variety of chemical substances of both natural and synthetic origin is known to effect reduction of glycemia on oral administration. During the past some ten years, investigators have demonstrated that oral administration of aryl. sulfonylureas can
공호성(H. Kong),한흥구(H.G. Han),김학열(H.Y. Kim),윤의성(E. S. Yoon) 한국트라이볼로지학회 2003 한국트라이볼로지학회 학술대회 Vol.36 No.-
In order to enhance the lubricity of solid lubricants, they were lubricated with grease. In this work, PTFE and MoS₂ bonded type lubricants were coated onto a steel specimen and lubricated by either silicone or teflon grease. For the laboratory test, a ball-on-disk type friction tester and a LFW-1 friction tester were used and compared in term of friction and wear resistance. Test results showed that lubricating property of solid lubricants was governed mainly by grease lubricants and a PTFE sheet lubricated with a silicone grease yielded the lowest friction. MoS₂ bonded type lubricants, on the other hand, revealed an improper tribological characteristics when lubricated with greases. It was considered that grease lubricants hindered a beneficial running-in process of MoS₂ particles in the sliding surface and the frictional characteristics in the intial stage was affected greatly by the topography of coated surface.
조방환 ( B. H. Cho ),이영선 ( Y. S. Lee ),이돈성 ( D. S. Lee ),김학열 ( H. Y. Kim ),이상종 ( S. J. Lee ) 대한내과학회 1970 대한내과학회지 Vol.13 No.6
Disturbances of gastric secretion as related to thyroidal gland dysfunction have been noted for many years. In both old and recent literature one finds conflicting statements regarding the gastric contents in thyroidal diseases. King stated that in exophth
증례 : 심한 단핵구증을 특징으로 한 급성 과립구성 백혈구 1 예
조방환 ( B. H. Cho ),김학열 ( H. Y. Kim ),이상종 ( S. J. Lee ),박정로 ( J. R. Park ),이유복 ( Y. B. Lee ) 대한내과학회 1970 대한내과학회지 Vol.13 No.11
Though many clinical studies of acute and chronic leukemias have been reported in this country, it was thought that there is lacking the report of acute granulocytic leukemia with monocytosis or myelomonocytic leukemia. We have seen recently such a patient