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군사용 소형위성 발사체 소요결정 방법론 연구: 미사일 추진체 활용을 중심으로
이현무,박배선,서원익,강지수,최기영 한국국방연구원 2021 국방정책연구 Vol.37 No.2
This paper proposes the development of small satellite launch vehicles by using the method of solid rocket missiles. The requirements for military small satellites were assumed to be the number and capability of satellites required responding to TCT(Time Sensitive Target) in case of emergency. And the requirements of launch vehicle are the capability and quantity that can meet the small satellite requirements. As a result, in this paper, a method and a tool for verifying the performance of a launch vehicle are presented, and an alternative analysis procedure and method for determining the number of launch vehicle is presented.
Streptomyces lavendulae의 균사체 발달에 따른 ascorbate oxidase 동위효소 양상 변화
이현무,김재헌 한국미생물학회 1988 미생물학회지 Vol.26 No.2
pH decreased as the substrate mycelium developed, $\Delta$pH was 1.05-1.15, but increased after the aerial mycelium formation. The lactic acid content in culture solution showed no difference between 0.2% and 5% glucose, at which the aerial mycelium formation was repressed. The growth and development of mycelium was delayed by the lactate treatment. The activity of catalase was maximum in 24 hours after inoculation, and the wuperoxide dismutase activity showed a constant level during the developmental phases. The ascorbic acid accumulated after the aerial mycelium formation. The ascorbate oxidase isozyme of Rf 0.44 appeared, while the isozyme of Rf 0.36 desappeared during the development.