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이재진,민경욱,이은상,김준,LEE JAE JIN,MIN KYOUNG WOOK,LEE EN SANG,KIM JHOON 한국천문학회 2000 天文學論叢 Vol.15 No.suppl2
Two different types of plasma probes have been developed and are currently in operation on board the KOMPSAT-l. One is the cylindrical Langmuir Probe (LP) that measures the electron density and temperature from its current-voltage characteristics in thermal plasmas, and the other is the Electron Temperature Sensor (ETS) which directly gives the information of the ambient electron temperatures. These plasma probes provide the electron properties of the local nighttime ionosphere at the KOMPSAT-l altitudes. In this paper we briefly describe the probes and the initial results obtained from these probes since the beginning of their normal operation in April, 2000.
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탄소복합재 부품 파티션패널의 구조 강성/강도 신뢰성 평가에 관한 연구
이재진,문지훈,윤원호,강다경,안민수,노형진,강지헌,이재욱 한국기계가공학회 2019 한국기계가공학회지 Vol.18 No.10
In the case of a partition panel for a vehicle, it is used as a vehicle chassis component that serves to distinguish the indoor and outdoor spaces of a vehicle and is mounted on a backrest portion of the vehicle’s back seat to ensure the convenience of passengers by connecting the floor and the side of the vehicle. Because it is a relatively large-sized plate material among automobile chassis parts except the moving parts and non-ferrous materials can be applied, it is considered as a part having a large light-weight effect. However, the partition panel is one of the vehicle parts that must satisfy the light-weight effect as well as various structural reliability, such as torsional rigidity, vibration, and impact characteristics, for securing the running stability of the vehicle when driving at the same time. So, In this study, the possibility of replacing the aluminum partition panel as CFRP(Carbon Fiber Reinforced Plastic) partition panel is evaluated through comparing the two partition panels by using the structural reliability(stiffness/strength analysis), vibration analysis, impact analysis.
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기능성 소화불량증 환자에 대한 한약복합제형간의 비교 임상시험: 대조군 연구
이재진,손미원,홍권의,Lee, Jae-Jin,Son, Mi-Won,Hong, Kwon-Eui 대한약침학회 2009 Journal of pharmacopuncture Vol.12 No.2
Objective : Functional dyspepsia is a prevalent disease. It impedes subjective quality of life. The purpose of this research is to examine the equivalent effect of herb drug medicine treatment(H-D)and Over the Counter(OTC) for functional dyspepsia. Method : In this controlled study, we compared herb drug medicine(H-D) with Over the Counter(OTC) of functional dyspepsia. 30 volunteers who satisfied the requirements were enrolled in study. Severity of dyspepsia was measured by Nepean Dyspepsia Index(NDI-K) before and after treatments. Result : The results are summarized as follows. 1. In Herb drug medicine and Over the Counter groups, total key symptoms score of after treatment were significantly decreased and improve rate of key symptoms was higher than before treatment, but there were no statistical significance between two groups. 2. In Herb drug medicine and Over the Counter groups, each symptoms score of after treatment were significantly decreased and improve rate of key symptoms was higher than before treatment, but there were no statistical significance between two groups. 3. In Herb drug medicine and Over the Counter groups, quality of life score of after treatment were significantly decreased and improve rate of key symptoms was higher than before treatment, but there were no statistical significance between two groups. Conclusion : Herb drug medicine treatment(H-D) is effective to improve the symptoms and quality of life in patients with functional dyspepsia.
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린의 사고를 적용한 항공산업에서 프로세스 혁신에 관한 연구
이재진,황인극 한국산업경영시스템학회 2010 한국산업경영시스템학회 학술대회 Vol.2010 No.춘계
생산성 및 품질혁신을 위하여 Lean 6시그마에 대한 다양한 국외 적용사례는 존재하나, 고도의 하이테크 산업이며 품질을 최우선으로 삼는 항공산업에 적용 및 평가에 대한 국내 연구사례는 거의 전무한 것이 현실이다. 본 연구에서는 린 6시그마 기법이나 사상들이 국내 항공산업 프로세스의 생산성 및 품질을 향상시키는데 과연 적합한지 판단하여, 현장적용을 사례로 적용 방법론을 제안하는데 목적이 있다.
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