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구리전선을 전파하는 화염에 대해 전기장 인가에 따라 발생하는 현상에 대한 연구
강민성(M. S. Kang),박순호(S. H. Park),임인권(L.I. Kwon),이대근(D. K. Lee),김승곤(S. G. Kim),곽영태(Y. T. Guahk),권오붕(O. B. Kwon),박정(J. Park),정석호(S. H. Chung) 한국연소학회 2019 KOSCOSYMPOSIUM논문집 Vol.2019 No.11
An Experimental study on effect of AC electric fields on flame spread over electrical wire with a copper (Cu) metal insulated by Polyethylene (PE) was conducted with applying AC electric fields in a single-electrode configuration. The size, inclination, and shape o f s pr eading f lame as well as the dynamic behavior of molten PE were influenced appreciably by ionic wind effect when AC electric field is applied to wire, there by modifying FSR.
오일프리 주공기 압축기 진동 및 소음관련 최적화 방안 연구
김민경(M. K. Kim),김철수(C. S. Kim),안찬회(C. H. An),김승곤(S. G. Kim),한재진(J. J. Han),정승섭(S. S. Jung),조용성(S. Y. C),양성화(S. H. Yang) 대한기계학회 2017 대한기계학회 춘추학술대회 Vol.2017 No.11
주행성능과 승차감에 영향을 미치는 진동 및 소음 영향인자를 차량운용자 관점에서 고찰하고자 한다. 기존차량과 신조차량시 설계되는 부분이 다른 만큼 각각의 운용적인 조건을 개발 과정에서 수렴하여 설계시 최적화를 고려하는 것이 필요하다. 본 연구에서는 기존 차량운행시 설계사양에서 제시된 사양과 향후 부품교체에 따라 신규로 적용될 부품간 운용자, 고객 입장을 고려하기 위하여 영향인자를 분석 제안하였다. The vibration and noise influencing factors affecting driving performance and ride comfort are examined from the viewpoint of vehicle operator. It is necessary to consider the optimization in the design by converging the operational conditions of each existing vehicle and the new vehicle as different parts are designed. In this study, we analyzed the influential factors to consider the new operator`s position between the part and the customer according to the specifications given in the design specifications and the parts replacement in the existing vehicle.
Staphylococcus aureus동정에 있어서 Staphyslide-Test(Slide agglutinotion)의 고찰
김성권,석종성,김승곤 최신의학사 1984 最新醫學 Vol.27 No.9
The coagulase test in used to differentiate species within the genus staphylococcus. A positive coagulase test (tube or slide) is usually final diagnostic criterion for the identification of staphylococcus. But this test has many advantages such as the preparation of plasma, the appearance of false positivity by other bacteria and long incubation of negative coagulation. Staphyslide test (Slide agglutination) is known to use the principle that a protein receptor capable of combing with fibrinogen in on staphylococcus aureus. Staphyslide- test is more sensitive and specific than other test for the identification of staphylococcus aureus. 1. Among the total of 104 strain of staphylococcus, illustrations shown positivity in the tests of staphyslide test and coagulase test were 76 strain (73.0%) and 72 strain (69.2%) in each cases. Among the 76 strain those illustrated positive result in staphyslide-test, the four 4 strain illustrated dormant results in the normal coagulase test and coincided point ratio was 94.7%. 2. Among the strain those have illustrated analysis of mannitol in mannitol salt agar, strain shown positive vesulte in the test of staphyslide test and normal coagulase test were 76 strain (93.8%) and 72 strain (88.9%) in each cases. 3. In comparison with 100% of veappearance, repeated test of staphyslide test, the coagulase tube test showed occasional dormancy and reapprearnace was 87%. 4. In staphyslide test, showed good sensibility, peculiarity and reappearance in comparison with the normal coagulase test in metivation of S. aureaus, so it is believed that it has a strong point to obtain prompt results.