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- 검색키워드
- 저자 : 朴善奎 (검색결과 810 건)
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朴善圭 우석대학교 의과대학 1967 우석의대잡지 Vol.4 No.2
In surgical cases infected outside of hospital, staphylococcal strains were isolated simultaneously from lesion and nasal cavity of the sate individual. 128 of respective strains, reaching a total of 256 were studied on several biological properties and the relationships of strains between the two groups. 1. Strains from infected lesion (L.S.) showed higher ability of coagulase producton than strains from nasal cavity of the same individual (N.S.) (78.8% : 60.9%). 2. Regardless of their isolation locality, coagulase positive strains fermented mannitol markedly more than coagulase negative strains (92.5% : 32.9%), and L.S. showed higher reaction of mannitol fermentation than N.S. regardless of coagulase production. Therefore it is assumed that the ability of mannitol-fermetation showed a close relationship between coagulase production and pathogenicity. 3. Regardless of the isolation locality, coagulase positive strains showed much higher β-hemolytic toxin productivity than negative strains (86.0% : 31.7% ), and L.S. showed greater β-hemolytic toxin production than N.S. regardless of coagulase production, It is obvious that a close correlation exists among β-hemolrtic toxin, coagulase and pathogenicity. 4. In coagulase positive strains, PC resistants of L.S. and N.S. were 85.7% and 76.7% respectively ; SM resistants were 48.9% and 53.3% ; OT resistants were 50.5% and 45.5%. 5. 86.0% of L.S. was phage typable and its distribution of type were Group Ⅱ (44.2%), 80/81 (18.6%), 80/81+(16.3%), Miscellaneous group (4.7%), Group Ⅲ (2.3%) in order, while 84.6% of N.S. was phage typable and its distributions of type were Group Ⅱ (35.9%), Group Ⅲ (18.0%), 80/81+(16.7% ), 80/81 (7.7% )Miscellaneous group (3.8%). Group Ⅰ (2.7%) in order. 6. Miscellaneous group and Group Ⅱ phage type were most predominant in skin infection and abscess: its phage patterns were 3A/3C, 3B/3C/55/77, and 80/81+ in skin infection, and 55/71 and 80/81+ were in abscess. 7. Both sources of strains of L.S. and N.S. in the same individual rhowed relatively high coincidence rate in the ability of coagulase production (55.1%), the fermentation of mannitol (85.7%), the production of β hemolysin (79.2%), and in the sensitivity to PC (54.1%), SM (56.3%), OT (55.5%), and in the phage type 50.7%). 8. A close correlation between L.S. and N.S. of the same individual is observed from the high coincidence rate shown above.
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비틀림을 받는 RC 및 PC부재의 균열폭 계산방법에 관한 연구
박선규 成均館大學校 科學技術硏究所 1996 論文集 Vol.47 No.2
Since the highstrengthed steel and concrete is used in RC and PC structure, more and detailed design method is used and the section of member has also reduced. The crack in the design became an importanen. When the highstrengthed steel inside the member is used under high stress, the width of crack in concrete is significantly generated. This crack is not only given a rough surface in the exterior but also deteriorated the durability of the structure due to eroding. By this time, the study of crack generated from bending and tensional force has been activited in many nations. In the design method to maintain the serviceability and the durability, the width of crack in the standard code used in present has proposed according to the enviromental condition. The crack problem of RC and PC member under the tensional force has not been enough studied. The objective of this study is to derive the formula for calculating the width of crack on PC member under the pure tensional force among the methods of restricting the width of crack. This study will be contributed to the design method for the evaluating of serviceability.
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정명선,박선규 木浦海洋大學校 1996 論文集 Vol.4 No.1
The changes of coastal water area due to the development of Mokpo harbour was carried out. Special problem was placed on the clarification of water level changes and coastal current structure, Daebul industrial complex and Halla shipyard etc. in this area. Specially Halla shipyard builded very large ships(more 50,000tons) continuously. And the VTS of passage need for the safety of passing ships. So I studied on the passage of Mokpo near sea area.
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朴成日,朴渲圭 木浦海洋大學校 1995 論文集 Vol.3 No.1
Salvage is defined as a voluntarily service which saves or contributes to save a vessel or cargo or the lives of persons on board when in danger at sea, in navigable waters or on the shore: or which recovers a wreck or the contents thereof. When the salvage services are voluntarily rendered to marine property in perils at sea, the persons rendering the services are entitled to reward under maritime law. And the aim of "Convention on Salvage, 1910" was to unify the law relating to assistance in salvage of ships, freight and passage money. Every act of assistance or salvage which has a beneficial result gives rise to equitable remuneration, but if there is no beneficial result then no remuneration is payable. Namely, "1910 Convention" adopted the strict principle of "No cure, no pay" for salvage. Moreover, the total amount that can be recovered is limited to the value of the property salved(in no case shall the sum to be paid exceed the value of the property salved). By the way "1910 Convention" like this was changed and amended in accordance with transition of marine transportation environment and recognizing the major contribution which efficiently, timely salvage operations rendered to the safety of vessels and any other property in danger and to the protection of the environment. That is, the aim of the "Convention of Salvage. 1989" is to reward(special compensation) salvors for their efforts in preventing or minimising environmental damage, whether by oil or other hazardous substances. Accordingly, synopsis of this paper is focused on the conception of salvage, the marine casualties influenced on change of law of salvage, and the major contents of "1910, 1989 Convention" and "LOF 1980, 1990, 1995".
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