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RISS 인기검색어
- 검색키워드
- 저자 : 김지문(J.M.Kim) (검색결과 4 건)
- 무료
- 기관 내 무료
- 유료
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C. M. Kim(金智文),J. K. Kim(金淙根),H. W. Kim(金昊元),J. D. Moon(文章達) 한국육종학회 1972 한국육종학회지 Vol.4 No.2
In order to induce mutation, especially bud sports of cold hardiness, several varieties of Citrus Unshu were chronically irradiated to the γ-rays (⁶⁰Co) differing in dose rate and total dose during different growing stages. Scions and buds from the irradiated plants during dormant and growing stage were grafted on the stock of trifoliate orange and survival rate and growth of grafts were examined. Growth inhibition, deformation and mutation in the irradiated plants during the growing stage were observed. In April, cutting back method was applied to the irradiated plants during dormant stage. The results obtained were as follows: 1. Survival rates of scion grafts from the irradiated plants during dormant stage showed no differences compared with the control at the dose applied (7.69 kR, 15.1R/hr.) in four varieties. 2. In four varieties, survival rates of bud grafts from the irradiated plants during growing period were more than 50% (RD-50) as compared with the control even at the highest dose applied (34.7kR, 18.06 R/hr.). 3. In chronic irradiation during growing period internodial length, petiole length, leaf length, leaf width and leaf area were significantly decreased with increasing dosage. 4. Deformation following irradiation were mostly appeared at higher doses. Deformed leaves were characterized by asymmetry, bifurcation, irregular toothed margin, slender shape, thickness and dark greenness. Also, deformed fruits showed basal protuberance, rugous and thick rind and lower sugar content. Adventitious shoot with untoothed, round, large, thick and dark green leaves also developed from the base of stalk. 5. In three varietieties four individuals with small leaved and compact type were preliminarily selected as cold hardy character from cutting back treated plants.
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C. Harn(韓昶烈),C.M. Kim(金智文),J.L. Won(元鍾樂),J.O. Rhee(李鍾玉) 한국육종학회 1971 한국육종학회지 Vol.3 No.1
The variation of quantitative characters were studied on short culm mutants induced by means of gamma-ray from two leading varieties. Some results obtained are summarized as follows; In general the variation of grain density, grain yield, panicle number per plant and panicle length were found to vary relative to mother varieties. Clear correlationship was obtained between culm length and heading date, panicle length, lodging degree, grain yield, and between leading date and grain density or panicle length in short culm lines. Among the short culm mutants, some were desirable line with high yield characters. 水稻 두 奬勵品種의 種子 및 幼苗에 放射線을 照射하여 誘起, 選拔된 短稈變異系統의 量的形質에 對한 變異를 調査하였다. 一般的으로 着粒密度, 收量, 株當穗數 및 穗長 等의 形質의 變異幅은 넓다. 稈長과 出穗期, 穗長, 倒伏程度 및 收量과 出穗期와 着粒密度 및 穗長間의 相關에 있어서는 高度의 有意性이 있었으며, 그리고 短稈變異系統中에서 母品種에 比해 增收될 수 있는 몇有用한 系統을 選拔할 수가 있었다.
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이중분사식 수소기관의 개발에 관한 기초연구 (흡기관분사기관의 역화한계 다량비 및 확장)
백성호(S.H.Paik),박재범(J.B.Park),최경호(K.H.Choi),김지문(J.M.Kim),이종태(J.T.Lee) 한국자동차공학회 1994 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1994 No.11_1
Hydrogen fueled engine with external mixture is more efficient, and hydrogen fueled engine with internal mixture is more poweful. So, to make a hydrogen fueled engine with high efficiency and power, It is required that engine is drived by external mixture formation under low load, and by direct injection into cylinder under high load. To realize the duel injection hydrogen fueled engine, back fire limit equivalence ratio and possibility of expansion of that are examined and analyzed.<br/>
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백성호(S.H.Paik),이내현(N.H.Lee),김지문(J.M.Kim),이중태(J.T.Lee),이성열(S.Lee) 한국자동차공학회 1993 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Hydrogen car "Sung Kyun No.1" which adapted direct injection method to avoid back<br/> fire and used high pressure hydrogen tank has been developed.<br/> The developed hydrogen car was not different in a view points of startability,<br/> drivability, and safety from those of conventional gasoline engine. More studies are needed concerning some technical problems such as fuel injection valves, fuel supply<br/> and storage systems.<br/>
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