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이광형(Lee Kwang-Hying-Kyong),최민준(Choi Min-Jun),제이제민(Jay C. Jamin),김형주(Hyeong-Joo Kim) 한국지반신소재학회 2014 한국토목섬유학회 학술발표회 Vol.2014 No.11
A large-scale filled experiment for geotextile tubes was conducted at Saemangeum area in Gunsan. Constructability and economic analysis based on the field test observations for geosynthetic tubes are presented in this paper.
The Optimal Release Time in Cost Model Using PCLS Model
Kwang Yoon Song, In Hong Chang, Min Su Choi, Da Hye Lee 조선대학교 기초과학연구원 2016 조선자연과학논문집 Vol.9 No.3
The basic goal of software development is to produce high quality software at low cost. Therefore, when to stop software testing and release the software product is a significant point in the software development. The software cost model is an effective tool used to help software developers control costs and determine the release time. In this paper, we discuss the cost model to apply all 6 models with consideration of time to remove errors, cost of removing each error and risk cost due to software failure. We show the impact of cost coefficients and parameter values on the expected total cost by changing the values and comparing the optimal release times.
지하철보행공간의 환경개선을 위한 실내조경제안 -지하철역을 중심으로-
김선혜(Sun Hy Kim),방광자(Kwang Ja Bang) 한국실내조경협회 1999 室內造景 = Journal of the Korean institute of interior Vol.1 No.1
This study was carried out to suggest a technology of improving the underground environment with plantscape mainly. For this study, related literatures from abroad and domestic were reviewed in advance and then objectives were fixed to import the green with Korean traditional element to give the identity. Plant species were selected suitable for the underground atmosphere with emphasizing the native species for the easy maintenance and low energy consumption.<br/> By landscaping the underground subway station, more passengers might use the subway with comfortable physical environment and psychological safeness.<br/>
‘Noksu’, a New Late-Summer Season Pear Cultivar with High Fruit Quality and Green Skin
Sam Seok Kang(강삼석),Kwang Sik Cho(조광식),Jang Hoon Song(송장훈),Yoon Kyeong Kim(김윤경),Sang Bouk Jeong(정상복),Dong Su Son(손동수),Hyeon-Mo Cho(조현모),Kyung Hy Hong(홍경희),Myung-Su Kim(김명수),Il-Sheob Shin(신일섭),Yong-Uk S 한국원예학회 2008 한국원예학회 학술발표요지 Vol.2008 No.12
‘녹수’는 배시험장에서 1983년 ‘단배’에 ‘행수’를 교배한 품종으로 1997년에 1차 선발하고, 2005년에 품종으로 명명되었다. 수세는 강하고, 수자는 반직립성이다. 꽃가루가 풍부하고 주요 재배 품종과 친화성이 있으며, 포장에서 흑반병(Alternaria kikuchiana)에 저항성이다. 수확기는 나주에서 ‘행수’보다 5일 늦은 8월 25일이며, 녹색 과피로 새로움을 요구하는 소비자의 구매 요구를 만족시킬 수 있다. 과형은 모본인 ‘단배’를 닮아 편원형이며, 과피 색은 정상적인 수확기에 녹색이지만 완숙기에는 점차 노란색으로 변한다. 과중은 약 529g이고 당도는 11.9°Brix 이다. 육질은 유연하고, 과즙이 많아 식미가 우수하다. 상온 보구력은 약 10일 정도이다. ‘Noksu’ pear cultivar (Pyrus pyrifolia var. culta Nakai) originated from the cross between ‘Danbae’ and ‘Kosui’ in 1983 at Pear Experiment Station of National Horticultural Research Institute, Rural Development Administration, Korea. It was preliminarily selected in 1997 and named in 2005. The tree habit shows vigorous growth and upright spreading. It carries abundant pollen grains and shows cross compatibility with leading cultivars. Also it shows high resistance to black leaf spot (Alternaria kikuchiana) in the field condition. Optimum harvest time is around August 25, which is 5 days later than that of ‘Kosui’ in Naju area, and it could satisfy consumers’ curiosity by its green skin color. The oblate fruit shape resembles maternal parent ‘Danbae’ and skin color is green at normal harvesting time and gradually turns to yellowish green at full ripening state. Fruit weight is about 529 g, and the soluble solids content is 11.9°Brix. The flesh is soft and juicy and renders good eating quality. Shelf life of the fruit is about 10 days at ambient temperature.
수량예측을 위한 ‘Cupra’, ‘Fiesta’ 파프리카의 생육특성 및 수확량 패턴 분석
정경희(Kyong Hee Joung),진효정(Hy Jeong Jin),안재욱(Jae Uk An),윤혜숙(Hae Suk Yoon),오상석(Sang Suk Oh),임채신(Chae Shin Lim),엄영철(Yeong Cheol Um),김희대(Hee Dae Kim),홍광표(Kwang Pyo Hong),박성민(Seong Min Park) (사)한국생물환경조절학회 2018 생물환경조절학회지 Vol.27 No.4
파프리카 수확량 예측을 위한 목적으로 온실 환경과 작물의 생육 특성 및 수확량 패턴을 조사 분석하였다. 경남거창 지역(해발고도 667m)의 유리온실에서 적색계 파프리카 ‘Cupra’와 황색계 파프리카 ‘Fiesta’를 2016년 7월 5일 파종하고, 35일 후인 8월 10일 정식하여 2017년 7월 15일까지 재배하였다. 재식밀도는 두 품종 동일하게 3.66plants/㎡로 2줄기로 유인하였다. 정식 후 재배기간 동안 시설의 외부 평균 광량은 14.36MJ/㎡/day였고, 온실 내부의 관리에서 24시간 평균온도 20~22℃, CO₂ 400~700ppm, 24시간 평균 습도 60~75% 수준으로 유지하고자 하였다. 정식 42주 후까지 신장속도는 ‘Cupra’가 7.3cm/week, ‘Fiesta’가 6.9cm/week로 ‘Cupra’가 빨랐다. 첫 착과는 ‘Cupra’가 1.0마디, ‘Fiesta’는 2.7마디에서 나타났으며, 첫 수확은 정식 후 ‘Cupra’가 14주, ‘Fiesta’가 11주로 ‘Fiesta’가 빨랐다. 재배 종료 시까지의 10a당 수확량을 비교해 보면, ‘Fiesta’가 18,848kg, ‘Cupra’가 19,307kg로 ‘Fiesta’가 2.4% 높게 나타났으며, L 사이즈인 200g 이상의 과중 비율은 ‘Cupra’가 27.7%로 ‘Fiesta’보다 7.7%로 높았다. 6월까지의 수확량에서, 착과에서 수확까지의 평균 소요일수는 ‘Cupra’가 72.6일, ‘Fiesta’가 63.8일로 ‘Cupra’가 8.8일이 더 소요되었다. 수확소요일수와 그 기간 누적된 광량과의 관계를 보면, 광량이 증가하는 2월 이후 두 품종 모두 누적광이 많을수록 수확소요일수는 짧아지는 부의 관계를 나타냈다. 1월에 가장 긴 소요일수가 요구되었는데, 이는 낮은 광량으로 생육과 착색이 지연되어 소요일수가 늘어난 것으로 판단된다. 수확량과의 관계에서는 ‘Cupra’는 광량이 증가됨에 따라 수확량이 증가되는 반면, ‘Fiesta’는 불규칙적인 패턴을 보여 품종간의 차이를 보였다. This study was aimed at predicting the yield of paprika (Capsicum annuum L.) through analyzing the growth characteristics, yield pattern and greenhouse environment. In the greenhouse of the Gyeongnam area (667 m above sea level), the red paprika ‘Cupra’ and the yellow paprika ‘Fiesta’ were grown from July 5, 2016 to July 15, 2017. The planting density was 3.66 plants/㎡ and attracted 2 stems. During the cultivation period, the average external radiation of the glasshouse was 14.36 MJ/㎡/day and the internal average temperature was controlled as 20.1℃. After 42 weeks of planting, the growth rate of ‘Cupra’ was 7.3 cm/week and that of ‘Fiesta’ was 6.9 cm/week. The first fruit setting of ‘Cupra’ appeared at 1.0th node and ‘Fiesta’ at 2.7th node. The first harvest of "Fiesta" was 11 weeks after planting and "Fiesta" was 14 weeks. Comparing the yield per 10 a until the end of the cultivation in July, ‘Fiesta’ was 19,307 kg, which was 2.4% higher than that of ‘Cupra’. And the fruit weight ratio of over 200 g of ‘Cupra’ was 27.7% which was 7.7% higher than that of ‘Fiesta’. The average required days to harvest after fruit setting of ‘Cupra’ was 72.6 days and ‘Fiesta’ was 63.8 days. According to the relationship between the average required days to harvest and the cumulative radiation (during from fruit setting to harvest), the more radiation increases the less required days to harvest increases after February. In terms of yield, ‘Cupra’ increased in yield as the cumulative radiation increased, while ‘Fiesta’ showed an irregular pattern. Cumulative radiation from fruit setting to harvest was negatively correlated with required days to harvest after February in both cultivars. But in relation to yield, there were difference between ‘Cupra’ and ‘Fiesta’.