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      • 北韓山 森林群落의 植物社會學的 硏究

        진희성,김광래,안봉원 경희대학교 부설 식량자원개발연구소 1982 硏究論文集 Vol.3 No.-

        The vertical distribution of the canopy trees in Mt. Bukhan was studied by quadrat method. In this mountain, there were distributed about 126 species of main trees and forest communities consist of Quercus mongolica, Pinus densiflora, Alnus hirsuta var. sibirica, Acer pseudo-sieboldianum var. koreanum, Sorbus alnifolia, Quercus acutissima and so on. The change of forest communities according to the elevation of this mountain was not conspicious. As the elevation heightened of this mountain, the importance value and summed dominance ratio of Fraxinus rhynchophlla and Acer pseudo-sieboldianum var. koreanum increased, while those of Quercus variabilis lowered. Through all the area of this mountain, mean importance value of Quercus mongolica was high. There appeared difference type of vegetation between valley and ridge area but no directional recognize in the kind of plant species though very few species were limited in a limitted part, such as Celtis aurantica of the ridge area, and Quercus acutissima × variabilis of Jeongnung valley. In each study area, Pinus densiflora on the floor was abundant and the summed dominance ratio of Sorbus alnifolia, Quercus serrata and Quercus aliena were high to the elevation range for 250-350m. As the elevation hghtened, the mean of total base value of soil samples in study area was high but the mean of O,M. and available phosphate value of those did not show a fixed tendency. The relationship of the importance value of Fraxinus rhynchophylla and the mean of total base value of soil in study area showed a significant and positive correlation. The index of similarity of the forest communities to the valley and ridge area, and to the southeast and northwest side of Mt. Bukhan were 63.7, 67.7% respectively.

      • KCI등재

        중이 콜레스테롤 육아종의 임상 분석

        진희성,한동열,장원익,이인효,김이석,이병돈 대한이비인후과학회 2009 대한이비인후과학회지 두경부외과학 Vol.52 No.12

        Background and Objectives The Cholesterol granuloma is often observed in middle ear surgeries. In the clinic, it can be found in a normal ear, but also as a recurrent serous otitis media in non-responding medical therapy. The purpose of this study is to analyze the clinical characteristics of cholesterol granuloma with or without cholesteatoma. Subjects and Method We performed a retrospective study of 40 patients who underwent tympanomastoidectomy between January, 2000 and January, 2009 for cholesterol granuloma. We divided patients into a non-cholesteatoma group and a cholesteatoma group and observed the following clinical manifestations: initial symptom findings, ear drum findings, preoperative audiogram, postoperative audiogram, operative technique and operative findings. Results Cholesterol granuloma was found in 10.2% of 393 cases (40 cases) who underwent chronic otitis media surgery. Of these, 5.3% (21 cases) was diagnosed with non-cholesteatoma group and 4.8% (19 cases) was diagnosed in the cholesteatoma group. Chief complaints were the difficulty of hearing in the non-cholesteatoma group and otorrhea in the cholesteatoma group. Ear drums were nearly retracted and perforated in both groups, although the cholesteatoma group had more damaged ear drum. Distinctive features of hearing were the conductive type with a moderate degree and ossicular destruction showed missing or eroded incus. Major sites of cholesterol granuloma were antrum, air cells and epitympanum. Conclusion Although ear drum was relatively preserved in the non-cholesteatoma group of cholesterol granuloma, the hearing level and the degree of ossicular destruction were not so much different between the two groups. Therefore, a complete removal of cholesterol granuloma and ossiculoplasty should be considered for better hearing restoration.

      • KCI등재

        회복도상에 (回復途上) 있는 참대림의 (林) 비배와 (肥培) 생장해석에 관한 연구

        진희성,정현배 ( Hee Sung Jin,Hyun Pae Chong ) 한국산림과학회 1982 한국산림과학회지 Vol.56 No.1

        The growth characteristics and appropriate fertilizer managements in the rejuvenating bamboo grove were studied with Phyllostachys reticulata. The bamboo soil was the sandy loam with rich humus. In the fertilized plots, the N-fertilizer was significantly absorbed, and it was necessary to fertilize the K-fertilizer continuously. According to the development of rejuvenating after flowering, the temperature and relative illumination became lower. while the moisture became higher. The relationship between the diameter at eye height (D) and the culm length (H) of each bamboo can be expressed as follow; H=2.5538D^(0.5031) The leaf area is the major factor for the production of the bamboo grove. Therefore in the rejuvenating grove, we should refrain form pruning or felling of not -flowering bamboo. The theoretical distribution of the internodal length was obtained by the distribution curve line of the internodal length derived from the regular distribution curve line. Relatively long and even internodal length was ound in the fertilized plots 2 and 4. The relation between D²H and dry weight of culm or dry weight of the above ground part were given by linear regression in both relations respectively on the logarithmic coordinates, but the propertional relation was not established in these relations. The biomass of the above ground part obtained by the allometry method showed high values in the fertilized plots 2.5 and 6. The appropriate amounts of the three elements, N, P and K for the maximum dry matter were 24.19, 15.51, 8.63 kg/10a, respectively.

      • KCI우수등재

        고등학교 전정의 공간 Image와 시각적 선호도 조사에 관한 연구

        진희성,서주환 한국조경학회 1985 韓國造景學會誌 Vol.13 No.2

        The purpose of this study is to present objective basic data for environmental design by the quantitative analysis of visual quality emboded in physical environment. For this, as for the front garden of high schools, the spatial image was measured by the S.D. Scale Method, Factor Analysis was proceeded by the principal component analysis and the visual preference was investigated by the Paired Comparision Method. The scale values of plain and unpleasant road surface and external appearance of buildings, which are related to emotions of simpleness fell from straightness and stability, were found to be high. But, except for the road surface of Kyunggi High School, scale values of variables explaining the variation of the quality of materials, level of floor and rythm were generally low. For all green spaces, scale values of variables explaining the degree of pleasantness was found to be generally high. And, those explaining tidiness and characteristics of green spaces were not in the same tendency. But, the green spaces of Youngdong High school can be considered to the space with plenty of visual absorption uniqueness were high. As for the correlation between variables, variables for green spaces(12 and 26) and those for overall view of front garden( 1 and 4) revealed high positive correlation. Also, "order - disorder" and "convenient- incovenient" included in road surface variable can be regarded to have the same meaning since the correlation coefficient between them is very high, 0.7045. Image variables including road surface, external appearance of buildings, green spaces and overall view of front garden showed 91.21~61.08% of total variance. Thus, the remains can be considered to be the error valiance or specific variance. In Fctor I, II and III, main components explaining the road surface image of front gardens are order, hardness, texture, color, gradient and rythm. As for the external appearance of b wilding, variables of color, hardness, stability, peculiality and shape revealed high values of factor load. For all variables, communality was drastically high and ellen values and common variance were found to be very high in Factor I. As for the front gardens, variables explaining volume and peculiarity were found to be the main components of Factor I. In Factor II and III, variables of factor load were tidiness, pleasantness.

      • 北漢山 森林群落의 植物社會學的 硏究

        진희성,김광래,안봉원 慶熙大學校 1982 論文集 Vol.11 No.-

        The vertical distribution of the canopy trees in Mt.Bukhan was studied by quedrat method. In this mountain, there were distributed about 126 species of main trees and forest communities consist of Quercus mongolica, pinus densiflora, Alnus hirsuta var. sibirica, Acer pseudo-sieboldianum var. koreanum, Sorbus alnifolia, Quercus acutissima and so on. The change of forest communities according to the elevation of this mountain was not conspicious. As The elevation heightened of this mountain, the importance value and summed dominance ratio of Fraxinus rhynchophlla and Acer pseudo-sieboldianum var. koreanum increased, while those of Quercus variabilis lowered. Through all the area of this mountain, mean importance value of Quercus mongolica was high. There appeared difference type of vegetation between valley and ridge area but no directional recognize in the kind of plant species though very few species were limited in a limitted part, such as Celtis aurantica of the ridge area, and Quercus acutissima x variabilis of Jeongnung valley. In each study area, Pinus densiflora on the floor was abundant and the summed dominance ratio of Sorbus alnifolia, Quercus serrata and Quercus aliena were high to elevation range for 250-350m. As the elevation hghtened, the mean of total base value of soil samples in study area was high but the mean of O,M. and available phosphate value of those did not show a fixed tendency. The relationship of the importance value of Fraxinus rhynchophylla and the mean of total base value of soil in study area showed a significant and positive correlation. The index of similarity of the forest communities to the valley and ridge area, and to the southeast and northwest side of Mt.Bukhan were 63.7, 67.7% respectively.

      • KCI우수등재

        입경의 의미체험에 따른 풍경개념의 구조에 관한 연구

        진희성,노재현 한국조경학회 1991 韓國造景學會誌 Vol.19 No.1

        In considering the relationship between natural beauty and the human frame of mind, or the interconnections between the Landscape and the point of view, we are concerned primaily with the external factors. Historically, certain physical features tended to cause shifts in human attitudes toward landscapes; We concentrate on this phenomenon of changeful scenery rather than on what psychological factors caused certain landscapes to be regarded as remarkable or unique. In a similar fashion we must ask ourselves what the basic elements in landscape are and attempt to ascertain their visual and spatial characteristics before we attempt to desingn environments that are fundamentally, physical in character. Futhermore, the experience of meanings, a part of literatual association process, appeared through the intension of nature study looking for the best landscape phenomena out of simple naturelooking. Of course, as the variable degree of landscapes changes, the dualistic relationship between humans and objects shows the different experience of meanings as the time changes even in landscapes which possess variable factors in same season. The study is conducted by defining the nature of recognizing and appreciating the logical structure of the concept "Landscape" after analysis of meaning context appeared in 'Kyung' which is consists of time, space and elements in landscape.

      • 全南地方 水稻品種의 物質生産과 生長解析에 關한 硏究

        秦熙成 朝鮮大學校 文理科大學 1975 論文集 Vol.2 No.-

        Two of rice varietes, Palgum and Suwoen, No.214, were used as testing materials; and the analytic results of their growth characteristics and dry matter production according to planting densityare as follows: 1. The volumes of total standing crop of the two varieties became remarkably larger as they continued growing in low density; but in a given density, the dry matter production of Suwoen No. 214 was richer than that of Plagum. 2. The in creasing rates of their leaf areas were higher at the tillering stage than those at the other stages, and also higher in low density than in high density. But in a given density, the LAI of Suwoen No. 214 was larger than that of Palgun. 3. C/F values of the two varieties were the greatest at the peak tillering stage. R/T ratios were comparatively less influenced by density; but at the tillering stage, the ratios fell down remarkably. 4. When the relationship of log w~log p between by dry matter and density was plotted on graph paper, there appeared a linear regression which says that the thicker the density is, the higher the slope degree is as if they were in a hard competition. 5. Regardless of variety and density, RGR and NAR were remarkably increased at the tillering stage; but their values grew higher as density got lower, and in a given density the RGR and NAR of Suwoen No. 214 were higher than those of Palgum. 6. At the peak tillering stage LAR of the varieties was the greatest in every density, and the LAR values were high in the higher densities. 7. CGR was increasing as the varieties continued growing and density got higher. This fact was the same as in the LAI changes. In a given density, CGR value of Suwoen No. 214 was higher than that of Palgum. 8. Eu. value got higher after the peak tillering stage, and then suwoen No. 214 was remarkably higher in Eu. value than palgum. 9. Suwoen No. 214 has the high analytic values of some characteristics of food production, and also has a high trasitional degrees of NAR, RGR, and CGR changes. In addition to these it has a high Eu. value. So suwoen No. 214 can be estimated as a variety for abundant crop.

      • 大豆와 수수 混作에 對한 施肥의 適正量 分析과 大豆의 生長解析에 關한 硏究

        秦熙成,文溶植 조선대학교 농업연구소 1978 農業硏究 Vol.1978 No.1

        大豆 品種인 光敎와 수수 優良系統인 1s-9456을 供示하여 物質生産과 生長特性 및 施肥 適正量을 分析 檢討하여 다음과 같은 詰果를 얻었다. 1. 大豆는 各區 共히 播種後 5週까지의 生育初期에 現存量의 增加率이 높았고 生育이 經過됨에 따라 低下되었으며 播種後 8週부터 25% 減肥區에서 種實의 現存量이 높은 傾向을 나타냈다. 2 葉面積과 LA1의 增加率로 各區 共히 生育初初期에 높았고 最大値는 播種後 11週에 25% 增肥區에서 나타났으며 specific leaf area는 全生育期를 通하여 50% 減肥區에서 높은 傾向을 보였다. 3. F/C ratio는 各區 共히 生育初期에 높게 나타났고 ‘光合成器官의 面積과 그 比率을 增加시키는 生長이 이루어졌으며 最大値는 0.98㎠/g로서 播種後 5週頃 50% 減肥區에서 나타났다. 4. R/T ratio는 各區 共히 生育初期에 높았으며 生育經過에 따라 低下되었으나 plot別의 差異는 현저하지 않았다. 5. 大豆의 RGR은 各區 共히 播種後 5週까지 현저히 높은 値를 보였고 最大値는 1.35g/g. week로 N_3區에서 播種後 3-4주사이에 나타났다. 6. 大豆의 NAR은 赤是 各區 共히 播種後 5遇까지 높았으며 生育이 經過됨에 따라 低下되었으나, 花器形成이 旺盛한 生育期부터 25%는 減肥區에서 높은 傾向을 보였다. 最大値는 6.89mg/㎠/wee로 25% 增肥區에서 播種後 3-4週사이에 나타났다. 7. 大豆의 CGR은 25% 增肥區에서 全生育期를 通하여 높은 傾向을 보였으며 LAI의 季節的인 畿化와 一致하였다. 8. 大豆의 RGR과 NAR은 平均氣溫과 22-28℃ 範圍內에서 各各 播種後 5週까지는 逆相關을 보였으며 生育後期에는 正相關의 關係를 나타냈다. 9. 大豆는 25% 減肥匿에서 收量生産이 가장 높았으며 總粒數의 增加, 空粒比率의 低下 및 100粒重의 增大가 增收要因으로 나타났다. 수수는 25% 增肥區에 增收되있으며 P_2O_5의 增施는 收量生産을 提高 할 수 있는 相關을 보였다. 10. 大豆와 수수의 混作栽培에서의 3要素 適正量은 N.P. 및 K가 各各 3.8 8.3, 7.5Kg/10a로 分析되었다. An experiment was made, for the improvement of cultivating, in companion cropping of soybean and sorghum in order to analyze their optimum quantity of fertilizers and growth characteristics, at the IIyeochun-dong experimental field which is one of the Bansan system fields around Kwangju area, during the period from May 20 to October 20, 1976. The experimental field was prepared after the randomized block design method, and the field was divided into three 25% minus plots, three 25% plus plots, three 50% minus plots, and three control plots, according to fertilizing quantity. Soybean was sowed on June 20, and sorghum was transplanted on July 1st, 1976. Sampling of each variety was taken once a week after sowing. The dry matter was weighed after it had been kept in 80℃ dry oven for three days. Drawing method was applied for the measurement of leaf area, Blackman law for growth analysis, and the monthly reports from the Kwangju Branch of Central Meteorological Observatory was used as valid data. For the analysis of soybean chlorophyll, A.O.A.C method was applied to the. calculation of chlorophyll concentration. The results from this experiment are as follows: 1. The increasing rate of standing crop in each plot was remarkably high for 5 weeks after sowing. This phenomena means that photosynthetic organsthrive rapidly. The standing crop of fruit was comparatively abundant in the 25% minus plots from 8 wee ksaofter sowing. 2. The increasing rate of leaf area index in each plot was higher in the earlier phase of growth and the maximum value of the index was shown in the 25% plus plots from 11 weeks after sowing.

      • SCOPUSKCI등재

        잔디깍기와 TIBA 처리가 잔디 인공군락의 (人工群落) 물질생산에 미치는 영향

        진희성(Hee Sung Jin),허준(Joon Huh) 한국식물학회 1987 Journal of Plant Biology Vol.30 No.2

        An experiment was made in order to analyze the growth characteristics and productivity of Zoysia japonica under control, mowing and TIBA treatment conditions at the experimental farm of Kyung Hee University. The field was planned by the split plot design method and each treatment was given to two plots (40×40 and 100×100 ㎜) and was replicated three times. Each plot was 9㎡ for Zoysia japonica. The sampling of each plot was taken once a week after sowing. In order to know the dry matter of total standing crops, each organ of plants was kept at 90℃ and weighed. Total leaf area of a plant was measured by drawing method. The author adopted the growth analysis of English School. Holocellulose analysis by sodium chlorite method was made. The increasing rate of LAI was high in all plots between 10th and 12th week after sowing and high growth rate of assimilatory organ was observed in low density area of TIBA plot. Between 10th and 12th week after sowing all the experimental plots showed high increasing rate of standing crop and in the process of growth each density area of TIBA plot recorded high increasing rate. In all the plots F/C ratio and RGR were high when the growth rate of assimilatory organ was increasing cosiderably, and the higher the planting density was, the higher F/C ratio was recorded. In all the plots NAR recorded maximum rate before the growth period to show a high increase of RGR. In the process of the growth TIBA plot showed high increasing rate of NAR. CGR showed high value in high density areas of all the plots and reached its maximum in the 13th week after sowing. Compared to the other experimental areas the low planting density areas of control plot and TIBA plot showed considerable earlier lignification indicating low Holocellulose content in the growth process.

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