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RISS 인기검색어
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- 저자 : 이용필(Yong-Pill Lee) (검색결과 2 건)
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이용필(Yong-Pill Lee),여인선(In-Seon Yeo) 한국조명·전기설비학회 2018 조명·전기설비학회논문지 Vol.32 No.3
In this study, we established and devised optical design goals for the ‘ LED roadway lighting with low-level mounting’, which analyzes problems with existing streetlights and existing low-lightness problems. Further, the analysis of various types of light emitted and the suitability of road illumination performance indicators through the field survey process and the feasibility of evaluating the characteristics of various aspects, including maintainability, design, and standardization, were proposed.
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새로운 甘味資源植物 Stevia rebaudiana Bertoni의 栽培開發에 관한 硏究(II)
吳現道,李龍弼 제주대학교 1978 논문집 Vol.10 No.-
This study was made to know the growth and adaptability, according to the planting density, wintering, propagation. and photoperiod of Stevia rebaudiana Bertoni M. in Jeju-do. The result obtained are summarized as follows; The stalk grew in proportion to the temperature as the growth rate of stalk was progressed rapidly between the last of July and the last of August. The denser planted the Stevia, the quantity were increased. The wintering effect of stevia was the best in the polyethlene film tunnel, the next was polyethylene film mulching. And ashes mulching was not so effective entirely in soil temper- ature promotion. When Stevia was treated with the next plant growth regulators, the rooting rate was ordered as indole butyric acid, atonic, naphthalene acetic acid, tachigalen, rooton and control. The number of roots was ordered as indole butyric acid, naphthalene acetic acid, rooton, tachigalen, atonic and control. And length of roots was ordered as indole butyric acid, naphthalene acetic acid, rooton, tachigalen, atonic, and control. According to the different bed-soil, rooting rate was ordered as scoria, subsoil, stream sand, and seashore sand. The number of roots was ordered as scoria, sea-shore sand, subsoil, stream sand. And the length of roots was ordered as sea-shore sand, scoria, stream sand, subsoil. When treated in short day, flowering-bud appearance was reduced for about two weeks, and flowering for about a week, comparing with the control group.
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