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- 저자 : 임경빈(K. B. Im) (검색결과 2 건)
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간척지 초지조성에 관한 연구 1 . 목초의 내염성 비교
임경빈,김동암,서성,송희복,이효원,임웅규,황종서 ( K . B . Im,D . A . Kim,S . Seo,H . B . Song,H . W . Lee,U . K . Lim,J . S . Hoang ) 한국축산학회 1981 한국축산학회지 Vol.23 No.1
Nine grass and forage legumes were sown on the reclaimed soil areas with three levels of salinity to determine the effects of saline conditions on the establishment, growth and yield of pasture plants. Monthly salt concentration of cultivated. soil layers of the experimental plots was also studied in the 1979-80 season. 1. The seasonal pattern of salt concentration of cultivated soil layers was closely related to the distribution of precipitation throughout the year. Although the salt concentration began to increase in spring and dropped after rainy season, it was again increased in autumn due to continuous favourable weather. 2. Cover degrees of pasture plants were much decreased according to the increasing levels of salt concentration, but those of tall fescue, tall wheatgrass, alkaligrass and alfalfa were usually more than 48% in the medium saline plot. 3. Tall fescue and alfalfa gave an appreciable dry matter yield, such as more than 600㎏/l0a in the low saline plot, however, the other pasture plants including orchardgrass and ladino clover showed an unfavourable yield. 4. Even though dry matter yields of all pasture plants in the medium and high saline plots were remarkably low compared with those of the low saline plot, tall fescue, tall wheatgrass and alfalfa appeared to be better adapted to salinity than the other pasture plants. 5. On the basis of the results obtained, it is suggested that the relative salt tolerance of tall fescue, tall wheatgrass and alfalfa should be considered in formulating seed mixtures for pasture establishment on the reclaimed salty areas in Korea.
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이재민(J. M. Lee),박영우(Y. W. Park),임경빈(K. B. Im) 한국정밀공학회 2005 한국정밀공학회 학술발표대회 논문집 Vol.2005 No.10월
A guitar pickup transforms the vibration of strings to the electric signals, and deliveres them to an amplifier. A piezo pickup has interference problem between strings. The paper aims to improve sound quality for an electro-acoustic guitar through the finite element analysis. Firstly the conventional pickup is modeled and analyzed with a commercial program called ANSYS. It is obvious that there exists interference between the strings. The structural modification of the pickup is performed, based on the beam theory. The modified structures are suggested, modeled and analyzed. Then the result are compared with those in the conventional pickup. It can be concluded that the interferences with the modified structures are much less than those with the conventional structure.
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