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申榮植,權宅鎭,姜文明 啓明大學校 産業技術硏究所 1980 産業技術硏究所 論文報告集 Vol.2 No.-
An elastic body that consists of many penetrated holes on it has characteristics properties. In this paper, such typical plate structure where the penetrated holes arrangement of perforated body might be considered as an istropic one on plane (i. e. a plane of xy coordinate system),was handled. At the same time, as the plate structure would be looked upon as a transverse orthotropic plate its elastic constant matrix was constructed. Therefore, the elastic moduli of the structure were gained with Finite Element Method and compared with results of other thesis.
施肥量 및 施肥方法이 黃色種 담배 初期生育 및 收量에 미치는 影響
卞珠燮,趙成鎭,盧載榮,申周植 충북대학교 엽연초연구소 1984 煙草硏究 Vol.11 No.-
This experiment was carried out to study the effects of different amount of nitrogen and potassium applied and dressing methods on the growth and yield components of flue-cured tobacco The results are summarized as follows. 1.Growth was promoted by increased nitrogen level in the plot of high potassium application. 2.In the low level of nitrogen applications early growth was good in the plot of planting hole application, but there were little differences of growth among the treatments after middle part of maximum growth stage. 3.Weight per leaf area decreased by the increasing level of nitrogen with high potassium application. 4.Except the highest level of nitrogen (15㎏/10a), the weight per cured leaf was larder in the plot applied basal application 33 : first top dressing 33 : second top dressing 33 than in the plot applied 50 : 25 : 25. 5.Increased amount of potassium application made the leaf area contract ion ratio low and specific leaf weight high.