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김기태,김영재,박두희,Kim. Ki-Tae,Kim. Young-Jae,Park. Du-Hee 한국방재학회 2008 한국방재학회 학술발표대회논문집 Vol.2008 No.1
Generally numerical analysis of tunnel lining, under dynamic loading condition, performed not considering pore pressure. But if tunnel excavated under the surface of water, such as bottom of the sea, the river bed, tunnel lining can take pore water pressure. It may be different from evaluated numerical analysis not considering pore pressure. Therefore tunnel design should consider effect of water pressure acting on tunnel lining.
김기태,고흥,이은,Kim, Ki-Tae,Ko, Heung,Lee, Eun 대한한방내과학회 2006 大韓韓方內科學會誌 Vol.27 No.4
Objectives : This study investigated the actual condition of an oriental medical office in a public health center. Methods : We classified patients who visited an oriental medical office in the public health center of Gyeyang-gu over a 1-year period, according to age, sex, disease, etc. The number of patients was 6529. Results : Analyzing these 6529 persons, 65.8% were female, and 79.6% were seniors aged over 65. By disease category motor systemic disease or circulatory disease affected 84% of the patients. By medication or treatment category. O-Juk-San (五積散) at 38.3% was the greatest proportion, and Pal-Mul-Tang (八物湯) the second greatest. As to medical fee, 80.2% of the patients were not charged for treatment. Conclusions : The extract of herbal medication should be more expanded in the medical insurance, and should be improved in quality. The oriental medical office in a public health center should focus more on health promotion and disease prevention than patient care. For accomplishing this goal, the institutional position and rights of oriental medical doctors as civil officials should be equal to those of western medical doctors.
전투치열도를 고려한 후속 군수지원의 최적 보급로 구성에 관한 연구
김기태,조성진,Kim, Ki-Tae,Cho, Sung-Jin 한국군사과학기술학회 2010 한국군사과학기술학회지 Vol.13 No.6
Victory and defeat of the war depends on follow-on logistics support. The spending time of follow-on logistics support at combat area is greatly influenced by the degree of combat intensity. The main purpose of this study is to compose a optimal supply route for operational sustainability of combat unit at combat area using transport vehicles. This study suggests a composition of optimal supply route for follow-on logistics support which considers the degree of combat intensity. A mathematical programming model and a genetic algorithm suggest to minimize the total spending time of follow-on logistics support. The suggested mathematical programming model is verified by using CPLEX 11.1. This study computes supply route, total spending time, total travel distance, and the number of transport vehicle.
나노탄소섬유소재(Carbon fiber)를 활용한 로드형 자전거에서의 프레임 디자인 개발에 관한 연구
김기태,김현성,강승민,Kim, Ki-Tae,Kim, Hyun-Sung,Kang, Seung-Min 한국결정성장학회 2017 한국결정성장학회지 Vol.27 No.4
탄소섬유가 차세대 자전거 프레임의 소재로 자리잡아감에 따라 각 제조사별로 탄소섬유 프레임 개발을 위한 연구가 활발하게 진행되고 있으며, 현재도 탄소섬유의 강성, 내구성, 충격흡수, 경량화, 강도를 중시하며 개발되고 있다. 또한 탄소섬유 자전거모델은 고가 제품으로써, 이에 맞는 개성적이고 차별화된 디자인 컨셉의 제품이 필요하며, 기본적으로 요구되는 구조 역학적 프레임의 개발이 중요하고, 안전성과 조형성이 뛰어난 제품개발과 무엇보다도 자기만의 아이덴티티(Identity)가 필요하다. 본 연구에서는 소비자 요구의 조사연구와 이미지 분석의 과정을 통해 개성적이고 통일된 이미지를 도출하였고, 본 디자인 개발에서는 최근 수요가 급증하고 있는 로드형 자전거를 타켓으로 잡아 탄소섬유를 소재로 한 자전거 프레임 디자인을 개발하고 제안하였다. Carbon fiber frames are actively developed for developing carbon fiber frames as the material of the next generation of bicycle frames, and are currently being developed with carbon fiber frames, hardness, shock absorption, light intensity, and strength. The carbon fiber bike models require a premium, differentiated design concept, which is essential to the development of a conceptual and differentiated design, requiring the development of essential structural structures, safety and refinement, and more of their own identity. In this study, a personal and unified image was derived from the research of the needs of consumers and image analysis process and then in the practical design work, the road bike bicycle frame design was proposed targeting the frame on the basis of carbon fiber materials.
김기태,Kim, Ki-Tae The Korean Society of Economic and Environmental G 1972 자원환경지질 Vol.5 No.2
Bowen의 "Petrogeny's Residua System"으로 알려져 있는 NaAlSiO_4-KAlSiO_4-SiO_2-H_2O계(系)는 대륙지각(大陸地殼)에 있어 화성암(火成岩)과 변성암(變成岩) 간(間)의 상(相)의 관계(關係)를 이해(理解)하는데 대단히 중요(重要)한 것이다. 그럼에도 불구하고 이 계내(系內)의 상(相)의 관계(關係)는 아직 Mohorovicic 불연속면(不連續面) 이상(以上)의 위치(位置)의 P-T 범위(範圍)의 것 조차 완전(完全)히 알려져 있지 않다. 그러므로 이 상(相)들 간(間)의 관계(關係)를 알 필요(必要)가 있다. 본(本) 연구(硏究)는 Schreinemaker 법칙(法則)을 적용한 계내(系內)에 있는 불변점(不變點)(~5kb/${\sim}635^{\circ}C$) 부근(附近)에 있는 순서를 추이(推理)하였는데 이는 주(主)로 Morse (1969a&6) 실험자료에 근거하였다. 결론(結論)으로 불변점(不變點)(~5kb/${\sim}635^{\circ}C$) 부근(附近)에서의 P-T 곡선(曲線)의 순서(順序)는 각각(各各) P-T 투영(投影)에서는 (L), (Anl), (Or), (V), (Ne), 및 (Ab)의 순(順)이고 P-T 곡선(曲線) (L)은 P-T 구역(區域) 하부(下部)로 연장되며 (Anl) 곡선(曲線)은 불변점(不變點)보다 높은 온도(溫度)와 낮은 압력(壓力)의 구역(區域)으로 연장(延長)된다는 것을 알았다. The system NaAlSiO_4-KAlSiO_4-SiO_2-H_2O, Bowen's "Petrogeny's Residua System" of course is extremely important in understanding the phase relationships of igneous and metamorphic rock in the continental crust. The phase relationships in this system, however, have not been completely established in the P-T range above the Mohorovicic discontinuity. They need to be established. In this study, the most probable sequence of P-T curves around a quaternary invariant point(~5Kb/${\sim}635^{\circ}C$) in the system using Schreinemakers' rule, is deduced, essentially on the basis of Morse's(1969a and b) experimental data. Possible modifications of the sequence of the P-T curves considering likely changes of the invariant chemogram are also considered. It is concluded that the sequence of P-T curves around the invariant point (~5Kb/${\sim}635^{\circ}C$) is (L), (Anl), (Or), (V), (Ne) and (Ab) on the P-T projection, where the P-T curve (L) is extended towards lower P-T regions, and the (Anl) curve is extended towards a region of higher temperature and lower pressure from the invariant point respectively.
김기태,홍사원,원호식,김효준,박경배,조기승,Kim, Ki-Tae,Hong, Sa-Weon,Won, Ho-Shik,Kim, Hyo-Joon,Park, Kyung-Bae,Cho, Key-Seung 한국미생물학회 1998 미생물학회지 Vol.34 No.1
지네 Scolopendra subspinipes multilans L. Koch로부터 정제한 Centipedin의 gram-negative, gram-positive bacteria 및 fungi에 대한 광범위 항균 spectrum을 조사하였으며 액체배지를 사용하여 각 균주에 대한 minimal inhibitory concentrations(MICs)값을 측정하였다. 인체의 기관중 주로 폐에 감염되는 gram-negative bacteria인 Klebsiella pneumoniae ATCC 8308 균주에 대한 MIC값이 $2{\mu}g/ml$로서 가장 강한 항균력을 나타내었고 화농균인 Proteus vulgaris NRRL B-123 균주에 대해서도 MIC값이 $16{\mu}g/ml$로 비교적 높은 항균력을 나타내었으며 항균제로서의 작용 mechanism을 시험한 결과 prokaryotic RNA transcription을 억제함을 알 수 있었다. Human blood leukemia(HL-60)와 mouse B lymphocyte myeloma cell 등의 동물세포에 대한 Centipedin의 cytotoxicity는 없는 것으로 확인되었다. A broad spectrum of antibiotic action was studied with Centipedin purified from centipede Scolopendra subspinipes multilans L. Koch aganist gram-positive, gram-negative bacteria and fungi. The minimal inhibitory concentrations(MICs) were determined in liquid medium. The significant antibiotic activity was obtained aganist gram-negative Klebsiella pneumoniae ATCC 8308 responsible for causing infection at lung and intestine. The MIC value against Klebsiella pneumoniae ATCC 8308 was $2{\mu}g/ml$, and this Centipedin was active against Proteus vulgaris NRRL B-123. In addition, it has been shown that Centipedin blocks procaryotic RNA transcription and a little of DNA replication system in vitro. Centipedin did not exhibit any significant cytotoxicity against animal cells such as human blood leukemia (HL-60) and mouse B lymphocyte myeloma cell.