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- 저자 : Ki-Hyun Gil (검색결과 325 건)
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崔生吉,孫泰鎭,柳顯紀,辛同寅,梁富弘,尹勝照,朴碩鉉 忠州大學校 1998 한국교통대학교 논문집 Vol.33 No.2
In order to understand the influence of colours on the urban design of a city, a portion of the central Chung-Ju was chosen as the study area, and three cases were researched as colours. These surveyed colours are analysed in their hue, value and chroma. It was necessary to determine the colours of 272 buildings exterior in all in order formulate the findings presented in this study. The result of this study can be briefly summerised as the following ; 1) The trends in the use of colour turn out like this ; 55.3% of the building were Y(yellow), YR(yellow-green), R(red) Family in Hue, abour 33.9% of them were within 8.0-8.9 and 26.6% were within 7.0-7.9 on the value scale, and about 48.5% of them were within 1.0-1.9, 2.0-2.9 and 3.0-3.9 on the chroma scale. 1) For case 1 on the exterior colours of buildings, about 57.8% were Y and YR family in Hue, about 53.7% were 8.0-8.9 and 7.0-7.9 in Value, and about 49.6% of them were within 1.0-3.9 in chroma. 2) For case 2 on the exterior colours of buildings, about 52.4% were Y and R family in Hue, about 65.1% were 7.0-8.9 in Value, and about 46% were 1.0-2.9 in Chroma. 3) For case 3 on the exterior colours of buildings, about 55.7% were Y and YR Family in Hue, about 72.1% were 7.0-8.9 in Value, and about 31.1% were 2.0-2.9 in Chroma. In summary, the colours of the building surveyed in central Chung-Ju can be characerized as Y, YR, R, N family in Hue, 7.0-7.9, 8.0-8.9 in Value registered in 1.0-1.9, 2.0-2.9, 3.0-3.9 in Chroma. The observed exterior colours show a tendency toward Yellow in Hue, High in Value and low in Chroma. Generally, the majority of the colours is light rather than strong in tone.
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김범철,박주현,이병진,허우명,황길순,최광순,채기숙 江原大學校 附設 環境硏究所 1998 環境硏究 Vol.15 No.-
The limnological survey of Lake Okjong was conducted for one year from June 1993 to May 1994 on the monthly basis. The loading of phosphorus, nitrogen and organic carbon from the watershed into the lake were monitored at the main in flowing sites. Secchi disc transparency , epilimnetic chlorophyll a, total nitrogen, total phosphorus concentration and primary production were in the range of 1.3~4.H m, 2.4~ 18.7 mg Chl/m³. 1.25~2.87 mg N/l, 7~65 mg P/m³, 325~2,113 mg C/m²/day, respectively. TN/Tl atomic ratio varled from 129 to 443. N/P ratio decreased in summer because phosphorus concentration was higher than in winter, while nitrogen did not vary much. The seasonal succession of phytoplankton was distinct. In winter and spring, diatoms, Aulacoseira granulata var. angustissima and Aulacoseira italica were dominant while cyanobacteria, Microcystis sp.,M. ichthyovlabe, Phormidium sp. and P.valderianum var. tenuis were dominant in warm seasons. The dominant zooplankton species were Thertmocyclops taihokuensis in warm seasons while Boosmina longirostris were dominant in cold seasons. The organic carbon, nirtogen and phosphorus content of lake sediment were 8.0~14.8, 0.59~0.71, 1.14~1.87 ng N/g, respectively. The sediment of Lake Okjong can be classified as oligohumic based on C/N ratio. The total phosphorus loading from the watershed and fishfarm were estimated to be 2.7g P/m²/yr, which far exceeded the critical loading for eutrophication. The organic carbon loading from the watershed and primary production were determined to be 998t C/yr, 6,348t C/yr, respectively. Most of organic carbon was contributed by autochthonous primary production of phytoplankton. Trophic state of Lake Okjong can be classified as eutrophic
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부상형 직파육묘방법에서 cell 크기에 따른 dibbling의 깊이가 담배 묘 생육에 미치는 영향
김영신,신주식,백기현,배길관 충북대학교 엽연초연구소 2001 煙草硏究 Vol.18 No.-
The objects of this study were to search ideal dibbling depth and cell size in direct-seeding improved float system. Percentage of dry cell was high in dibbling depth of 0.0mm and 7.5mm in every cell size. Dibbling treatment increased the seed germination rate. Germination power of the 128 cell was high in dibbling depth of 15.0mm or more, and that of the 162 cell and 200 cell was high in the depth of 12.5mm or more. Rate of usable plant of the 128 cell was high in dibbling depth of 15.0mm, and that of the 162 cell and 200 cell was high in the depth of 12.5mm. Compaction and low oxygen levels of media by deeper dibbling depth contribute significantly to spiral root. According to the interacting results of the treatments, dibbling depth of 15mm in 128 cell and that of 12.5mm in 162 cell and 200 cell were recommended to get high seed germination rate and good seedling growth.
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Dae Hyun Yoo,Hyun Kyung Kim,Hyun-Na Koo,Gil-Hah Kim 한국응용곤충학회 2014 한국응용곤충학회 학술대회논문집 Vol.2014 No.10
The insecticidal activities of materialsderived from Dryopteris crassirhizoma Nakai against third instar larvae of three species mosquitoes (Culex pipiens, Aedes albopictus and Anopheles sinnensis) were evaluated using a direct contact mortality bioassay. The methanol extracts of D. crassirhizoma showed 100%, 87.8% and 100% larvicidal activity at 1,000 ppm against Cx. pipiens, Ae. albopictus and An. sinensis, respectively. Hexane fraction showed 100% larvicidal activity three species mosquitoes at 500 ppm after 24 hrs. Purification of the biologically active constituents from the hexane extraction with larvicidal activity was done using silica gel column chromatography. H1 and H3 fractions gave 100% mortality to Cx. pipiens, Ae. albopictus and An. sinensis at 100 ppm. H1 fraction separated with methanol to give a H111 through centrifugation. Fraction of the biologically active constituents from the H3 fraction with larvicidal activity was done using methanol. H31 fraction was determined 100% mortality to Cx. Pipiens, Ae. albopictus and An. sinensis at 50 ppm, respectively. Two fractions were analyzed C14H22O (H111, MW206.0) and C11H14O4 (H31, MW210.08) by GC and GC-MS. D. crassirhizoma derived compounds described herein could be useful for managing filed populations as larvicide of Cx. pipiens, Ae. albopictus and An. sinensis.
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Seon-Woo Lee,Ki-Su Ahn,Hyun-Na Koo,Gil-Hah Kim 한국응용곤충학회 2012 한국응용곤충학회 학술대회논문집 Vol.2012 No.05
The cotton aphid, Aphis gossypii Glover is an important sap-sucking pest of many pant, including cucumber and pepper. The objective of the present study was to determine the effects of sublethal concentrations of two insecticides (imidacloprid and flonicamid) and the action mechanisms on the feeding behavior of A. gossypii. The median lethal concentrations (LC50) of imidacloprid and flonicamid for adult A. gossypii were 2.01 and 1.92 ppm, respectively. The sublethal concentrations of imidacloprid were 0.22 ppm (LC10) and 0.82 ppm (LC30), and those of flonicamid were 0.094 ppm (LC10) and 0.56 ppm (LC30). The developmental period of A. gossypii nymphs at LC30 was 3.6 days for both insecticide which shorter than controls (4.2 days). Adult longevities at LC10 and LC30 of imidacloprid were 15.2 and 13.6 days, respectively. Adult longevity at LC10 and LC30 of flonicamid was 11.1 and 9.9 days, respectively. Control adult longevity was 15.5 days. Total fecundity was decreased at both sublethal concentration of two insecticides. Feeding behavior analysis using an electrical penetration graph showed that sublethal doses of imidacloprid and flonicamid had significant effects on the duration of phloem ingestion. However, higher doses of flonicamid induced starvation by inhibition of phloem ingestion and higher doses of imidacloprid induced contact toxicity rather than inhibition of feeding behavior.
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Soon Gyu Lee,Hyun Kyung Kim,Hyun Na Koo,Gil Hah Kim 한국응용곤충학회 2014 한국응용곤충학회 학술대회논문집 Vol.2014 No.10
Temperature and insecticide are two important factors that affect survival, reproduction and other physiological processes of insects. To determine interactions of temperature and insecticide treatment on susceptible (S) and imidacloprid-resistant strains (IMI-R) of Aphis gossypii, adults were exposed to three temperatures (17, 22, and 28℃) or combinations of three temperatures (17, 22 and 28℃) and imidacloprid (LC20), and the expression of several genes (heat shock protein 70, cuticle protein, cytochrome P450, and elongation factor) were analyzed. The expression level at 17℃ of heat shock protein 70, cuticle protein, and elongation factor in S strain were up-regulated with increased time and higher than those of IMI-R strain. However, expression of cytochrome P450 was not affected by elevated temperature both S and IMI-R strain. Combined treatment of elevated temperature and imidacloprid were significantly up-regulated only cuticle protein in S strain and higher than those of IMI-R strain.
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Gil, Young-Chun,Lee, Shin-Hyo,Shin, Kang-Jae,Song, Wu-Chul,Koh, Ki-Seok,Shin, Hyun Jin Elsevier Science, Inc 2017 Dermatologic surgery Vol.43 No.12
<P>CONCLUSION When performing surgery in the medial forehead region, the surgeon must ensure that the dissection plane of forehead tissue is more superficial: superiorly within 1.5 cm from the supraorbital margin and medially within 1.0 cm from the vertical line through the apex of lacrimal caruncle.</P>
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Ecological preference of Monochamus saltuarius against various species of trees
Hyun Kyung Kim,Ju-Hwan Han,Il-Kwon Park,Gil-Hah Kim 한국응용곤충학회 2013 한국응용곤충학회 학술대회논문집 Vol.2013 No.10
Monochamus saltuarius, which mediates Bursaphelenchus xylophilus is one of the important vector of pine wilt disease recently. M. saltuarius showed difference with weight, growth, and oviposition according to species of trees. The most feeding amount and feeding area were determined in P. koraiensis. However, M. saltuarius almost did not feed and longevity was observed very short time only for 10 day in Sciadopitys verticillata. Weight, length and head width were measured the highest growth of M. saltuarius in P. koraiensis. Female of M. saltuarius was determined more growing than male of M. saltuarius in all species of trees. Tree preference for oviposition of M. saltuarius was the highest choice in P. densiflora. However, lots of scar for oviposition have observed but M. saltuarius laid less eggs in P. rigida. This result is related to bark thickness of trees. Ovipositional frequency has been consistently maintained to P. densiflora and P. koraiensis at 20 day intervals. In this study, physiological and ecological characteristic of M. saltuarius to preference of trees were researched could be helpful for managing of M. saltuarius.
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