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벼에 대한 Ethylene의 생리작용에 관한 연구 제 7 보. 벼의 Ethylene 생성량 및 생합성의 품종간 차이
이문희,Moon-Hee Lee,Yasuo, Ota 한국작물학회 1985 Korean journal of crop science Vol.30 No.3
특성이 다른 품종의 유묘기 에칠렌 생성량 및 함량의 차이를 구명하고, 또 메치오닌과 ACC 처리에 의한 에칠렌 생성량의 품종간 차이를 검토하여 다음과 같은 결과를 얻었다. 1. 일본형, 품종군은 인도형 품종군 및 인·일교잡 품종군 보다 에칠렌 생성량이 많았다. 2. 에칠렌 생성량이 많은 일본형 품종군은 유아가 짧고 유근이 길었으나, 에칠렌 생성량이 적은 인도형 및 인·일교잡 품종군은 유아가 길고 유근은 짧았다. 3. 유묘의 ACC함량은 에칠렌 생성량이 많은 품종에서 많았다. 4. 유묘에 메치오닌 및 ACC를 처리하면 에칠렌 생성량은 증가하나 그 증가정도는 일본형품종이 인도형 및 인·일교잡품종보다 현저하게 많았다. To know the varietal differences of ethylene evolution, 55 rice varieties were tested at seedling stage. And, also, 6 rice varieties were tested the biosynthesis of ethylene production. The group of japonica varieties produced higher amount of ethylene than the indica and indica x japonica crossed varieties. The content of ACC in rice seedlings of japonica varieties was higher than in seedlings of indica and indica x japonica varieties. And, also, the conversion rate of mathionine and ACC to ethylene in seedling of japonica varieties was higher than in seedling of indica and indica x japonica varieties.
수도에 대한 시비방법이 질소효율 및 잡초군락에 미치는 영향
이문희,Lee, M.H.,Datta, S.K. De 한국작물학회 1976 한국작물학회지 Vol.21 No.2
This experiment was conducted to find out how to increase efficiency of fertilizer nitrogen and how to change the weed population with different methods of nitrogen application. Mudball deep placement, at 10-12cm soil depth, produced significantly the highest grain yield within the application methods with same amount of nitrogen (60kg N/ha). It produced also same grain yield with conventional application methods, timely split application method, with 90kg N/ha. Basal application of nitrogen increased weed population and it showed higher dry weight of weed than top dressing methods at early growth stage of rice.
전남 농공단지 폐수처리장 방류수의 화학적/생물학적 독성평가
이문희,최익창,한상국,Lee, Moon-Hee,Choi, Ik-Chang,Han, Sang-Kuk 해양환경안전학회 2008 海洋環境安全學會誌 Vol.14 No.4
본 연구는 영산강유역 농공폐수처리장 방류수중의 유기오염물질 분포를 관찰하였다. 시료채취 지점은 영산강 유역에 존재하는 4지점의 농공단지 폐수처리장을 선정하였다. 본 연구에서 GC-Ion trap MS로 300종의 일반적인 화학물질을 ppt수준에서 검출할 수 있는 방법을 이용하여 분석하였다. 농공폐수처리방류수에서 검출된 주요 유기오염물질은 농약류, CH구조의 방향족, CHO구조의 프탈레이트류, 그리고 CHO(N) 구조의 아로메틱 아민류였다. 또한 diethylphthalate를 포함한 17종의 내분비계장애물질이 검출되었다. XTT assay를 이용한 세포독성 결과는 TV로 나타냈으며, 그들의 세포독성은 A지점에서 27.2, D지점에서 24.4로 가장 높게 나타났다. 한편 화학적 분석 결과와 생물학적 독성도와는 일치하지 않는 것으로 나타났다. The purpose of this study is to investigate the distributive property of organic pollutants in effluents of argo/industrial wastewater treatment plants in Jeonnam using simultaneous analysis method of 310 chemicals. The numerous organic pollutants were detected in four sampling sites and the major chemicals were pesticides, CH type chemicals such as polycyclic compounds, CHO type chemicals such as phthalates, and CHO(N) type chemical such as aromatic amines. Moreover, 17 kinds of endocrine disrupters which include diethylptbalate were detected in each sampling sites. TU (Toxic unit) indicated cytotoxicity of samples using XTT assay, it appeared highly at A point(27.2) and D point(24.4). Also, the results from the correlation between total concentration of pollutants and TU did not correspond to the results of chemical and biological analysis.
수도에 대한 Ethylene의 생리작용에 관한 연구 제4보 질소반응과 Ethylene생성의 품종간 차이
이문희,이종훈,태전보부,Lee, M.H.,Lee, J.H.,Ota, Yasuo 한국작물학회 1983 한국작물학회지 Vol.28 No.1
Rice plant was tested in the phytotron to know the varietal difference of ethylene production in different nitrogen levels. The high nitrogen concentrated varieties among tested varieties produced a large amount of ethylene. But high nitrogen concentrated leaf in the one variety produced less amount of ethylene. The varieties which produced a large amount of ethylene was remarkably increased ethylene in no nitrogen plot$(N_0)$ compare to standard level$(N_1)$. In contrast low ethylene producing varieties was remarkably decreased in double nitrogen level$(N_2)$.
액상소결 SiCf/SiC 복합재료의 미세조직 및 강도특성
이문희(Moon Hee Lee),조경서(Kyung Seo Cho),이상필(Sang Pill Lee),이진경(Jin Kyung Lee) 대한기계학회 2008 대한기계학회 춘추학술대회 Vol.2008 No.11
The efficiency of fiber reinforced CMC(ceramic matrix composite) on the SiC materials have been investigated, in conjunction with the fabrication process by liquid phase sintering and the characterization. LPS-SiC<SUB>f</SUB>/SiC composites was studied with the detailed analysis such as the microstructure, sintered density, flexural strength and fracture behavior. The applicability of carbon interfacial layer has been also investigated in the LPS process. Submicron SiC powder with the constant total amount and composition ratio of Al₂O₃, Y₂O₃ as sintering additives was used in order to promote the performance of the SiC matrix material. LPS-SiC<SUB>f</SUB>/SiC composites were fabricated with hot press under the sintering temperature and applied pressure of 1820℃ and 20㎫ for 1hr. The typical property of monolithic LPS-SiC materials was compared with LPS-SiC<SUB>f</SUB>/SiC composites.
이문희(Moon Hee Lee),홍성표(Sung Pyo Hong),현인규(In Gyu Hyun),이진(Jin Lee),손주현(Joo Hyun Sohn),곽상택(Sang Taek Kwak),주상언(Sang Aun Joo),김이수(Lee Su Kim),최원진(Won Jin Choi),최철순(Choi Chul Soon) 대한소화기학회 1994 대한소화기학회지 Vol.26 No.1
Benign and malignant tumors are rarely encountered in the small intestine. Moreover small bowel metastases arising from the lung carcinoma are very unusual. Previous studies reported that the most common metastatic site of lung carcinoma was the esophagus and the most common histologic type was the squarnous cell carcinoma type. This case was duodenal and jejunal metastases from squamous cell carcinoma of the lung. The patient in this case com- plained of hematemesis and presence of movable mass in the lower left abdomen. N odular ul- cerative mass on the duodenal bulb was found by duodenoscopy, and an endoscopic biopsy re- vealed squamous cell carcinoma. A bronchoscopic biopsy determined squamous cell carcinoma of the lung. Abdominal exploration confirmed multiple metastases on duodenum, two sites of jejunum and Douglas pouch. So we report the case of multiple small bowel metastases from primary squamous lung carcinoma. (Korean J Gastronterol 1994; 26: 191 196)
이문희(Moon-Hee Lee),이상필(Sang-Pill Lee),이진경(Jin-Kyung Lee),김동진(Dong-Jin Kim),조호준(Ho-Jun Cho),조경서(Kyung-Seo Cho),갈영민(Young-Min Gal) 대한기계학회 2007 대한기계학회 춘추학술대회 Vol.2007 No.6
The characterization of liquid phase sintered (LPS) SiC ceramics has examined in the present study. Commercial SiC powder with an average particle size of about 0.3㎛ had used as starting powder. The fabrication temperature for LPS-SiC ceramics was fixed as 1820 ℃. The characterization of LPS-SiC such density, microstructure and strength has evaluated according to several composition ratios (Al₂O₃/Y₂O₃; 0.4, 0.7, 1.5, 2.3) of oxide additives to derive stable microstructure and high strength. By using the nondestructive evaluation (NDE) technique, ultrasonic velocity and its attenuation coefficient of LPS-SiC have also investigated. LPS-SiC formed an amount of second phases like YAG in the microstructure. In addition, this method represented high strength of about 900㎫ and excellent density of 98% at an additive composition ratio of 1.5.