http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
윤용한(Yoon Yong-Han),임금광(Yim Geum-Kwang) 한국철도학회 2005 한국철도학회 학술발표대회논문집 Vol.- No.-
This paper presents a development and evaluation of a spring type tensioning device for Korea railroad. The wheel type tensioning device used in the Korea railroad requires much time and labor for maintenance including wire replacement and oil application. So, we found it necessary to develop a new type of maintenance-free tensioning device. In this paper, we introduced a spring type tensioning device for Korea railroad.
윤용한 ( Yong Han Yoon ),김원태 ( Won Tae Kim ),박봉주 ( Bong Ju Park ),김현정 ( Hyun Jung Kim ) 한국녹지환경디자인학회 2007 녹지환경학회지 Vol.3 No.1
The present study examined how to improve soil from construction sites in order to reuse waste soil from construction sites, which is piled up at waste processing companies around the Sudokwon Landfill Site, as soil for planting. We selected calcium superphosphate and peat moss to resolve constraints in reusing waste soil for planting, and mixed 10.4kg of calcium superphosphate and 15L of peat moss with 1m3 of soil from construction sites. As a result, we could lower the acidity of the soil down to pH 6.5, the target of improvement of effective soil layer. We also increased organic matter contents but only up to around a fourth of 30g·kg-1, the target of improvement of organic matter contents. According to the results of herbaceous plant growth experiments using soil before and after improvement and mountain soil as a control, all seeds in mountain soil germinated within 7 days from sowing, but seeds in waste soil from construction site before and after improvement germinated 70% and 90%, respectively, on day 30 from sowing. In addition, compared to mountain soil, improved waste soil from construction site showed a difference of over 14 days in germination time. By sample soil, plant height on day 30 was 162mm in mountain soil, and next 15.0mm in improved soil, and 13.1mm in unimproved soil. Undried weight measured after the growth experiment was 6.811g per individual in mountain soil, and next 5.955g in improved soil and 5.616g in unimproved soil. The results show that the studied sample soil from construction sites can be reused as soil for planting through improvement. In addition, by accumulating research data like our results, we expect to supply soil demanded for the top soil layer of Sudokwon Landfill Site and the post-management of landfill sites and to solve environmental problems such as fly dust and spoiled landscape by abandoned heaps of waste soil from construction sites.
윤용한(Yong Han Yoon),배병호(Byung Ho Bae) 한국환경생물학회 2002 환경생물 : 환경생물학회지 Vol.20 No.1
N/A In order to investigate relation between park scale and temperature decrease in and near parks, temperature distribution was observed and was analyzed in four parks of different scales. Relation between the temperature decrease and ratio of green coverage was also analyzed by using regression analysis. Lower temperature was observed in and near the parks and larger cooling effect was implicated near the larger parks. The result of regression analysis showed that the increase of green coverage ratio leads the decrease of the temperature in the parks. The degree of the temperature decrease varied according to the types of the coverage.
녹지주변의 토지이용형태가 녹지내의 기온저감효과에 미치는 영향
윤용한(Yoon Yong-Han),조계현(Cho Gye-Hyun),백승엽(Baik Seoung-Yeob),김승태(Kim Seung-Tae),김원태(Won-Tae Kin) 한국잡초학회·한국잔디학회 2003 Weed & Turfgrass Science Vol.17 No.1
본 연구는 녹지주변의 토지이용형태의 차이가 녹지내의 기온저감효과에 미치는 영향을 정략적으로 파악하기 위해 녹지내외의 기온분포를 관측하였다. 그 데이터를 바탕으로 녹지내의 토지피복현황과 기온, 녹지주변의 기온저감효과와 그 영향범위 및 수목그루와 기온저감효과와의 관련성을 회귀분석 등에 의해 해석하였다. <br/> 그 결과 녹지내의 고온역은 포장면, 나지 주변에서 저온역은 수림지, 주변에서 형성되었다. 또한 녹지를 중심으로 풍하 쪽의 관측치는 최저기온보다 최고기온이 편차가 크지만, 전체적으로는 녹지에 가까워질수록 기온이 낮아지는 경향을 보였다. 토지피복비율과 기온과의 관계를 보면, 수림지, 초지 및 수면은 기온저감에 효과적이고, 그 토지피복율의 증감에 따라 기온저감효과가 서로 달랐다. 녹지주변의 토지이용형태의 차이가 녹지내의 기온저감효과에 미치는 영향은 Shakuzopark(주거전용지역)보다 Ageomaruyama Park(시가화조정구역) 상대적으로 효과가 컸다. The purpose of this study was to find out how different types of land use around green belts affect temperature decrease effects. For this, temperatures within and outside of green belts were measured. Based on the collected data, the study analyzed the land cover status and temperatures within green belts, temperature decrease effects and the range of effects around green belts, and the correlation between trees and temperature decrease effects by way of regression analysis. <br/> As a result, areas of the high temperature within green belts were formed on paved surfaces, whereas areas of low temperature were formed around forests or water surfaces. In addition, deviation was bigger in the highest temperature than the lowest one for areas of Leeward around green belts, but in general, there was a tendency that temperature became low near to green belts. As for the relation between land cover rate and temperature, what was effective to temperature decrease included forests, pasture and water surfaces. On the other hand, the effects of temperature decrease varied depending on increase or decrease of land cover rates. As for the influence of the different land use types around green belts on temperature decrease effects, the Shakuzi Park showed relatively stronger effects than the Ageomaruyama Park.
윤용한 ( Yong Han Yoon ),주진희 ( Jin Hee Ju ),김원태 ( Won Tae Kim ) 한국환경과학회 2010 한국환경과학회지 Vol.19 No.12
In recently, building greening to improve the urban environment is a very important areas. Thus, in order to promote the building greening is needed for the arrangement of its related system. In this study, analyzed the related system in Japan and the results obtained are as follows. Related system in Japan are to promote the spread of compulsory and dissemination of guidance. And to promote the spread of dissemination of guidance are to allowed a system to be included in green area of the site required, plans to loan the costs of greening, plans to subsidize the cost of greening, tax reduction and exemption, incentive on floor area ratio, plant supply and other technical guidance system. In conclusion, in order to promote the building greening note the related system of Japan and our related system should be arranged.
가로변 완충녹지의 조성유형에 따른 음이온 농도 비교 분석
윤용한 ( Yong Han Yoon ),주창훈 ( Chang Hun Joo ),박헌 ( Hun Park ),김정호 ( Jeong Ho Kim ) 한국환경과학회 2014 한국환경과학회지 Vol.23 No.7
This study were performed on roadside buffer green in Songpa-dong, Songpa-gu, Seoul in order to analyze the anion concentration according to the type of composition of roadside buffer green. Buffer green separating the physical structure of the measurement points and measurement locations were separated by roadside, green interior, the other side of the road. planting density and deposit of trees per each buffer green was measured in the order of mounding type> slope type> the plain type. If the measured temperature of the location-specific weather elements roadside> inside> the other side of the road in order of measurement and the temperature is lowered farther away from the road. If the relative humidity of the road on the other side> inside> the roadside in order to measure and this is the opposite of the temperature tendency. According to physical structure reduction of the temperature on the other side of the road and roadside in order of mounding type> the plain type> slope type was measured. As a result of measuring a anion therefore concentration of the anion inside of melt is in order of mounding type> the plain type> slope type, tended to match the melt characteristics. According to measured positions anion concentration is in the order of the other side of the road> inside> the roadside was measured. As a result of correlation analysis, in the case of measurement location-specific weather and anions the temperature is positive correlation, relative humidity is negative correlation and that`s results of previous studies were supported.