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RISS 인기검색어
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- 저자 : 윤용철 ( Yong Cheol Yoon ) (검색결과 97 건)
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원형 수평앵커를 이용한 파이프 골조 온실기초의 인발저항럭 개선에 관한 연구
윤용철,이근후,유찬,Yoon Yong Cheol,Lee Keun Hoo,Yu Chan 한국관개배수위원회 2003 한국관개배수논문집 Vol.10 No.2
Bench scale experiments have been carried out to evaluate the adaptability of the anchor for improving the uplift capacity of foundation of pipe framed greenhouse which is typically adopted in conventional plastic film glazing greenhouses, such as 1-2W ty
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윤용철 ( Yoon Yong Cheol ),이종창 ( Lee Jong Chang ),서원명 ( Suh Won Myung ),이근후 ( Lee Keun Hoo ) 한국농공학회 1999 한국농공학회 학술대회초록집 Vol.1999 No.-
This study was performed to figure out an optimum water environment and to obtain the fundamenLal data related with saving labor and water consumption for the chinese cabbages being grown in greenhouse. The productivity of cabbages cultivated in both pots and floor were compared to each other in the aspects of height and weight depending on the soil saturation levels. Obtained results are as follows; In case of pot cultivation, the height as well as weight of cabbage in 80% soil saturation level(P80) were measured to be larger than those in the other 2 soil saturation levels(P100 and P60). The weight of floor cultivated cabbages were relatively larger than that of pot cultivated ones. In accordance with saturation ratio, the general trend of water consumption rate was maximum in P80 and was decreased in the order of P80. PIOG and P60. And the average indoor temperature as well as the plant growth rate were found to be closely related with water consumption rate.
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윤용철 ( Yoon Yong Cheol ),이근후 ( Lee Keun Hoo ),서원명 ( Suh Won Myung ) 한국농공학회 1998 한국농공학회 학술대회초록집 Vol.1998 No.-
This study was performed to figure out water consumption of the twisted sweet pepper in a greenhouse. Obtained results are as follows; 1. The ambient temperature was nearly same as the normal year, while the average air temperature and the relative humidity in the green house were little bit higher than those of the outside condition. The transparency of the greenhouse roof was approximately 50%. The total amount of rainfall during the irrigation period was 1,040㎜ which is 350㎜ higher than 1997 during the same period. 2. In case of pot cultivation, as the saturation ratio was increased, the aeaf area and plant height and yield were also increased. The yield from the field cultivation was higher than the average yield from the pot cultivations which are treated by three levels of saturation ratio. 3. The variation of daily consumptive use of the twisted sweet pepper was very large in it's range. In case of the pot cultivation, as the saturation was increased, the daily and the total consumptive use were increased. 4. The daily consumptive use was strongly correlated with the ambient temperature, while it was weakly correlated with the relative humidity and solar radiation. 5. There were close correlation between plant environment; leaf area, plant height and yield, and consumptive use. As the saturation ratio was increased, the correlation between those plant factors and consumptive use was getting stronger.
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윤용철 ( Yoon Yong Cheol ),이근후 ( Lee Keun Hoo ),서원명 ( Suh Won Myung ) 한국농공학회 2000 韓國農工學會誌 : 전원과 자원 Vol.42 No.4
This study was carried out to investigate the water requirement of twisted sweet peppers which are cultivated in a green house. The meteorological conditions during the experiment period was close to that of normal year except the temperature and relative humidity. The growth status was improved with the increased saturation ratio. The range of the variation of daily water requirement were very large. The peak consumption occurred in the early August. And the higher saturation ratio resulted in higher water requirement. The total water requirement were about 57.180g/d/plant for pot with 100% (P100) of saturation, about 38.700g/d/plant for pot with 80%(P80) of saturation, about 23,720g/d/plant for pot with 60%(P60) of saturation, and about 53,390g/d/plant for field cultivation in the green house, respectively. The water requirement was correlated with average ambient temperature and growing status, while no significant correlation were found between water requirement and minimum relative humidity or intensity of solar radiation. And the higher correlation was shown as the saturation ratio was increased. The transpiration coefficients of twisted sweet pepper were 378.0g/g for field cultivation in the green house, 363.3g/g for P100, 338.7/g for P80 which was the smallest among pot cultivation, and 472.1g/g for P60 , respectively.
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윤용철(Yong Cheol Yoon),서원명(Won Myung Suh),이인복(In Bok Lee) (사)한국생물환경조절학회 2006 시설원예‧식물공장 Vol.15 No.2
본 연구에서는 큰느타리버섯 재배사의 환경조절을 최적화하고 시스템 설계에 대한 기초자료를 얻기 위하여 진주인근에 위치한 샌드위치패널을 이용한 영구형 재배사 2동을 대상으로 2003년 11월부터 2005년 10월까지 재배사 내부에서 측정한 환경인자들을 중심으로 검토하였다. 실험지역의 외기온은 평년의 것과 대체로 비슷한 경향을 보였다. 시스템 변경전의 경우, 동절기에는 전체적으로 설정온도보다 낮게 유지되었고, 또 최상부와 최하부의 최대온도 편차도 5.l℃ 정도로 상층이 가장 높게 나타났다. 그러나 시스템의 변경 후의 경우, 난방시 대체로 설정온도 범위에서 조절되는 경향을 보였고, 공기정체나 온도층의 역전현상이 나타나지 않았다. 상대습도는 시스템 변경 후, 80~100% 정도의 범위로서 권장상대습도 범위에 있었다. 전체 재배기간 동안 탄산가스 농도는 400~3,300㎎ㆍL¹ 정도의 범위에 있었다. 조도는 권장조도보다 전반적으로 낮게 유지되고 있음을 알 수 있었고, 산도는 대체로 일정하게 유지되었다. 수확량은 전체적으로 일정하지 않았고, 포기재배의 경우가 상대적으로 등외품이 적었으며, 증수 효과도 있었다. 전력소비량은 계절별로 일정한 경향이 있음을 알 수 있었고, 하절기보다 동절기에 전력소비량이 현저히 많은 것을 확인 할 수 있었다. Pleurotus eryngii is one of the most promising mushrooms produced on the domestic farms. The quality as well as quantity of Eryngii is sensitively affected by micro climate factors such as temperature, relahumidity, CO₂ concentration, and light intensity. To safely produce high-quality Eryngii all the year round, it is required that the environmental factors be carefully controlled by well designed structures equipped with various facilities and control systems. At the commercial mushroom cultivation houses of permanent frame type (A, B), this study was carried out to find out reasonable range of each environmental factor and yield together with economic and safe structures influencing on the optimal productivity of Eryngii. This experiment was conducted for about two-year from Nov. 2003 to Dec. 2005 in cultivation house. Ambient temperature during the experiment period was not predominantly different from that of a normal year. The capacity of the hot water boiler and the piping systems were not enough. Because the capacity of electric heater and air circulation were not enough, air temperatures in cultivation house before improvement of system were maintained somewhat lower than setting temperature, and maximum air temperature difference between the upper and lower growth stage during a heating time period was about 5.1. But the air temperatures after system improvement were maintained within the limits range of setting temperature without happening stagnant of air. Air temperature distribution was generally distributed uniform. Relative humidity in cultivation house before improvement was widely ranged about 44~100%. But as the relative humidity after improvement was ranged approximately 80~100%, it was maintained within the range of relative humidity recommended. And CO₂ concentration was maintained about 400~3,300㎎ㆍL¹ range. The illuminance in cultivation house was widely distributed in accordance with position, and it was maintained lower than the recommended illuminance range 100~200lx. The acidity of midium was some lower range than the recommend acidity range of pH 5.5~6.5. The yield was relatively ununiform. In case of bottle capacity of 1,300cc, the mushroom of the lowest grade was less than 3%. The consumption electric energy was quite different according to the cultivation season. The electric energy consumed during heating season was much more than that of cooling season.
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윤용철 ( Yong Cheol Yoon ),백종륜 ( Jong Ryoon Baek ) 대한골절학회 2016 대한골절학회지 Vol.29 No.2
Fractures and dislocation of the hand is a body injury involving complex structures and multiple functions, which frequently occur as they represent 10%-30% of all fractures. Such fractures and dislocation of the hand should be treated in the context of stability and flexibility; and tailored treatment is required in order to achieve the most optimal functional performance in each patient since deformation may occur if not treated, stiffness may occur with unnecessarily excessive treatment, and both deformation and stiffness may occur coincidently with inappropriate treatment. Stable injuries can be fixed with splintage whereas surgery is actively considered for unstable injuries. In addition, surgeons should keep in mind that as the surgical intervention is done aggressively, aggressive rehabilitation must be followed in correspondence with the surgical intervention. Successful outcome requires effort to prevent any potential complication including nerve hypersensitivity and infection. Finally, it is also important that the patient to know that swelling, stiffness, and pain may last for a long period of time until the recovery of fractures and dislocation of the hand.
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