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난소 상피 종양에서 혈관 내피세포 성장 인자 발현 및 미세혈관 밀도와 예후에 관한 연구
최성란 ( Seong Lan Choi ),김지영 ( Ji Young Kim ),박일웅 ( Il Woong Park ),전현철 ( Hyun Chul Jun ),정두석 ( Du Suck Jung ),조중동 ( Joong Dong Cho ),김형석 ( Hyung Seok Kim ),이지신 ( Ji Shin Lee ),정종재 ( Jong Jae Jung ),최호선 대한산부인과학회 2003 Obstetrics & Gynecology Science Vol.46 No.3
Objective : It is still unclear whether angiogenic potential, which is believed to be a prerequisite for tumor development, is an important prognostic factor in ovarian carcinoma. The current study was designed to examine the relationship among Vascular e
석회석 미분말의 혼입율변화에 따른 고유동 모르터의 특성 분석
조중동,조병영,한민철,한천구 청주대학교 산업과학연구소 1999 産業科學硏究 Vol.17 No.1
In this paper, the application of limestone grain, which produced by being gathered electrically in the process of manufacturing cement, to high fluidity mortar are investigated. According to the experimental results, especially, high viscosity and the loss of air content are accomplished by applying limestone grain as the partial substitution of fine aggregates. In case of hardened mortar, high strength development at early age can be achieved by using limestone grain, but excessive dosage of limestone grain can cause high drying shrinkage.
E.P-Dust를 활용한 시멘트 모르터의 특성에 관한 실험적 연구
조중동,한민철,한천구 청주대학교 산업과학연구소 1998 産業科學硏究 Vol.16 No.-
The objective of this study is to investigate the possibility for the applications of E P-dust as both admixtures and fillers for aggregates under various mix-proportion, replacing method and the ratios of replacement. According to the experimental results, improvement of viscosity and reducing of segregation at fresh state and gain in strength at hardened state can be achieved by applying appropriate E P-dust. It can be considered from the results that applications of E P-dust in concrete will be mote efficient as fillers for aggregates than as binder.