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멀칭재료 및 施肥條件이 감자(Solanum tuberosum L.)의 生育 및 收量에 미치는 影響
정원복,김기영,정순재,황필성 東亞大學校 大學院 2000 大學院論文集 Vol.25 No.-
This study was conducted to effect of mulching materials and fertilizer application level on Growth and Yield in potato. Mulching materials of Clear polyethylene film and Black plyethylene film, Fertilizer application level of Non-treatment, Chemistry fertilizer treatment, Compromise treatment, Fermentation Compost treatment was following, Percent emergence was increase vinyl mulched treatment plot, Stalk diameter and Fresh weight was increase clear polyethylene film+chemistry fertilizer treatment. Tuber Yield per 10a were significantly affected in the plot of clear polyethylene film+compromise treatment.
김정원,박인선,이영준,김유창,김필자,강동묵,이채언 대한산업의학회 2000 대한직업환경의학회지 Vol.12 No.2
Objectives : To report cubital tunnel syndrome due to repetitive motions. Methods : A worker complaining muscle weakness and atrophy of the right hand intrinsic muscles admitted to a hospital. We evaluated him with blood tests, neurophysio-logic studies (NCV & EMG), plain X-ray and US at the both elbows. We investigated his occupational history, and videotaped his work motions based on the work cycle at his previous work site. Finally, an ergonomics expert analyzed the motions using rapid upper limb assessment (RULA). Results : NCV & EMG studies reveals slow conduction velocity on both ulnar nerve across the elbow, more severely in the right side. US shows us compatible finding with diffuse neuritis of both ulnar nerves at both elbows. RULA score is 7. Conclusion : We confirmed that the worker's symptoms were related to his previous jobs demanding repetitive motions using the elbow joints. It is necessary that we should prepare appropriate measures to evaluate, prevent, rehabilitate, and help injured workers to return to work.
Li_2O-Al_2O_3-SiO_2계 結晶化유리에서 Al_2O_3·SiO_2 mole比에 따른 結晶化 및 特性變化에 관한 硏究
姜元浩,張筆淳 단국대학교 1994 論文集 Vol.28 No.-
The effect of Al_2O_3, SiO_2 mole ratio on the properties and crtstallization in Li_2O-Al_2O_3-SiO_2 glass-ceramics were investigated. the base glass composition range were Li_2O, 1-1.8 Al_2O_3, 4-8 SiO_2 with TiO_2 and ZrO_2 4wt% in same TiO_2, ZrO_2 mole ratio as a nucleation agents. the nucleation and crystallzation temp of the base glass were 790℃ and 1150℃ respectively. the main crystalline phases in glass-ceramics were β-spodumene and secondary crystal phas was β-eusryptite. As the mole ratio of Al_2O_3, transition temp and softening temp were increased, but according to the SiO_2 mole ration only these temps were decreased. Hardness according to the SiO_2·Al_2O_3 moral ratio was increased. the thermal expansion coefficient of glass-ceramic showed a low on below 10×10 exp(-7)/℃.
世界主要國의 初等敎員 養成敎育에 관한 比較硏究 : 韓國初等敎員 養成敎育의 現況과 問題點을 中心으로
李元必,金仁洙 釜山敎育大學 1975 부산교육대학 논문집 Vol.11 No.1
The purpose of this study is to present the improvement and the problem in srguments encouraging the primary school teacher cducation. This its system and curriculum, the relation between supply and demand are separately argued compared with foreign cases. The results of the study can be summarized as the following(about its improvement): ① Comprehensive institutes or universities are to be inevitablely established and four-year-course teachers' colleges as training organization of primary teachers is to be build urgently. ② The test of aptitudes or personalities available for teachers is regulated as selections of students, and the national organization of controling candidates should be instituted. ③ Professors can replenish the lack of the knowledge for action through the action researches. ④ It is important to keep the structure of curriculum as a whole well-balanced the person of chindren, the specialist, the genuine teacher. ⑤ In the professional courses the dual structure for instruction-al method and the direction of children should be contributed to the regular works of teachers. ⑥ It is necessary that conduct excises for student teacher sectioning the stage available for, extevd its term, and regulate the qualification of directing teacher. ⑦ The supply and demand fo teachers should be accurately planned.
崔源弼 慶北大學校 1979 論文集 Vol.28 No.-
This experiment was undertaken to determine the causative agent of dermatophytosis occured in the cat. Direct microscopic examination, culture and pathogenicity test were performed for the sample (hair and scale) obtained from the skin lesion of the affected cat. The causative agent was identified as Trichophyton mentagrophytes and the present report describes the first case fo the cat ringworm in Korea.