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S.H. KWON(權臣漢),J.R. KIM(金在利),B.W. KIM(金病友),J.W. LEE(李鍾華) 한국육종학회 1978 한국육종학회지 Vol.10 No.1
The objective of this study was to investigate the effects of planting date and spacing in field performance of five soybean varieties different in plant types. The results obtained were summarized as follows: 1. Number of days of flowering, fruiting period, and maturity were reduced with delayed planting dates. Number of days to flowering of late maturing varieties was more affected than the early maturing varieties by delayed planting, but the influence was less remarkable than those to maturity date. There was significant differences between earlier and later plantings in such characters as seed weight, plant height, number of nodes and pods per plant. However, the reverse was true for the variety Clark and yield was remarkably reduced with later planting as compared to other varieties. 2. Plant spacing did not significantly affect on yield, seed weight and number of nodes per plant. Although plant height, number of branches and pods per plant were affected by spacing, the influence was less than those of planting date in these characters. 3. Maximum yield was observed in planting on May 21 and optimum spacing for high yielding was 60㎝×10㎝ in this experiment. 4. Interaction between planting date and spacing was closely related to yielding and it was considered that proper planting date and spacing were able to result in higher yielding.
김세호(S. H. Kim),이형욱(H. W. Lee),허훈(H. Huh),이종화(J. H. Lee),오승탁(S. T. Oh) 한국자동차공학회 1996 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1996 No.11_1
The finite deformation with self contact problem of C. V. joint boot is analyzed by using implicit finite element code ABAQUS. To Modify the leakage problem of grease, the length of the small radius part is enlarged. In this paper, the effect of the design modification in the small radius part on the leakage is examined using 2-D finite element simulation.<br/> <br/>
이종화,김홍진,배효원,Lee C. H.,Kim H. J.,Bae H. W. 한국응용곤충학회 1978 한국식물보호학회지 Vol.17 No.3
가. 인삼의 모잘록병을 방제하기 위하여 10종의 약제를 공시하여 실내 및 포장시험을 실시하였다. 나. 공시약제의 효과를 조사하기 위하여 실내에서 토양관법으로 그리고 포장에서는 모잘록병균을 인위적으로 접종한 균포와 자연발병상태의 균포에서 종자소독, 토양소독, 토양관주법으로 처리하였던 바, 다. 모잘록병 방제를 위해 기대되는 약제로는 Homai, Captan, Validamycin, Tachigaren등이 있다. 1. The trials were planned to test ten different fungicides for the control of ginseng damping off Caused by Rhizoctonia solani in the laboratory and in the field. 2. Fungicidal activity was tested by soil drenching in test tube in the laboratory and with seedlings in t he seedbed naturally and artificially infested with damping-off organisms. 3. Promising chemicals to control damping-off of ginseng without marked phytotoxicity were Homai, Captan, Validamycin and Tachigaren.
윤승원(S.W.Yun),조남효(N.H.Cho),이종화(J.H.Lee),유재석(J.S.Yoo) 한국자동차공학회 1997 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1997 No.6_1
The flow characteristics of engine intake system are closely related to the engine performance and intake system noise. Therefore many researchers have carried out to improve intake system design in view resistance, dust filtering and flow induced noise. The optimal design of intake system becomes more important as the requirement of high performance and long durability.<br/> In this study, flow rig was set up for the surveying the effect of air cleaner designarameters on the flow resistance and dust filtering. The pressure drop across the air cleanerwas measured. The flow in the air cleaner was visualized by tuft method and dust seeding method to identify dust filtering effect. The flow direction and recirculation zone of dust inside the air cleaner were observed.<br/>