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허기중 ( Ki-joong Huh ),김혜선 ( Hye-seon Kim ),김한응 ( Han-eung Kim ),황선철 ( Seon-cheol Hwang ),최준기 ( Joon-ki Choi ) 한국고등직업교육학회 2002 한국고등직업교육학회논문집 Vol.3 No.4
This paper describes a method to design and construct a virtual education system(VES) of Induk Institute of Technology. Four main concepts were considered to design our VES. The first concept is the designer of lectures that is able to establish a strategy for effective lectures. The second is the consideration for students who should study hard and check processing status themselves. The third is how to design and compose virtual educational contents. And the last concept is how to set up the central systems and how to manage them. Our VES was designed and is being consturcted based on the above concepts successfully.
DMBA 매식과 방사선 조사로 유도된 백서 타액선 종양에서 H-ras 암유전자의 활성화
허기수,최종환,최순철,박태원,유동수,Hu Key-Soon,Choi Jong-Whan,Choi Soon-Chul,Park Tae-Won,You Dong-Soo 대한영상치의학회 1998 Imaging Science in Dentistry Vol.28 No.1
Cellular transforming genes have been identified in a number of different tumor cell lines and tumor types. A significant number of these oncogenes belong to the ras gene family. The ras gene family consists of three closely related genes:H-ras, K-ras and N-ras which code for a related 21 kDa protein. Mutations in codon 12, 13 and 61 of one of the three ras genes convert these genes into acute oncogenes. The presence of H-ras gene mutations has important prognostic implications in various tumors. Each genomic DNA was isolated from tumors induced by implantation with DMBA, or by treatment with DMBA -implantation/irradiation. When genome DNA was transfected into NIH 3T3 cells and investigated by two-step PCR-RFLP, the fOllowing results were concluded: 1. Transformation foci developed in two groups when the genome DNA of two experimental groups were transfected into NIH 3T3 cells. 2. Transformation efficiency was 0.01-0.02 foci/㎍DNA in the experimental group with the DMBA-implantation, 0.01-0.03 foci/㎍lgDNA in the experimental group with the DMBA-implantation/irradiation according to results of transfection assay. 3. When the point mutation of H-ras gene was investigated by a two-step PCR-RFLP, there was 13.9% (5/36) in the experimental group with the DMBA implantation, 15.4 % (6/39) in the experimental group with the DMBA -implantation/irradiation. 4. The point mutation in codon 12 and 61 of H-ras was 5.6%(2/36) and 8.3%(3/36) in the experimental group with the DMBA implantation. 5. The point mutation in codon 12 and 61 of H-ras gene was 7.7%(3/39) in the experimental group with the DMBA -implantation/irradiation.
許起道,趙在允 東義大學校産業技術開發硏究所 1987 産業技術硏究誌 Vol.1 No.-
The urban parks will contribute to comfort, health and safety of all citizens. In this context, this study aims to comprehend the function, quantity and quality of the urban park system in Pusan area. It is clear that the quantity is inappropriate. Because of inappropriate disposition and management, its coefficient of utilization is low. In view of the population and park ratio, Nam Gu. Dong Nea Gu. and Heawondea Gu have comparatively good environments. However, Dong Gu, Puk Gu and Saha Gu have less Geographical features. There are some methods to provide expansion of the aggregate area of urban parks, we can use the school-grounds and their facilities, which were moved from C.B.D. to the outskirts of Pusan, or some parts of urban redevelopment, or the riverside of Nakdong river.