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이정명,박훈,이종화 한국농화학회 1980 Applied Biological Chemistry (Appl Biol Chem) Vol.23 No.1
Crude fiber, ash and crude fat in various parts of root had highly significant correlation each other. In shoot, crude fiber showed highly significant negative correlation with crude fat or crude protein which were in highly significant positive correlation each other. In whole plant, crude fiber and ash, crude fat and crude protein, Mn and Cu, ash and Ca, and ash and B showed positive correlation respectively and negative between crude protein and crude fiber. Ash, crude fat and curde fiber showed highly significant positive correlation with all mineral nutrients in root while in shoot pairs having significant correlation were less and most of these were in negative correlation. Ash with Mg, K or Cu, crude fat with B, crude fiber with Cu, K, Mg in root and crude fat with Mn in shoot were specially high significant pairs. Ash with B and crude fat with Mn were significant in root, shoot and whole plant. Saponin contents in root showed highly significant positive correlation with crude fiber, crude fat, ash and with all other mineral nutrients except N, P, Mg while, in shoot, it showed, negative correlation with K and crude fiber, and positive with N, Mn, Cu, and crude fat. Saponin showed positive correlation with crude fat, Mn, Cu, in root, shoot and whole plant.
중국 북경 소비자의 샤인머스캣구매의향 결정요인 및 가격민감도 분석
이정명,김승규,최세현 한국유기농업학회 2020 韓國有機農業學會誌 Vol.28 No.2
The objective of this study is to analyze factors affecting purchase intention and conduct price sensitivity analysis of Korean Shine-muscat for Chinese consumers. Logit model has been set up to find purchase intention with survey data which was conducted in Beijing China. The results show that the high-income, unmarried consumers are more sensitive to the price of Korean Shine-muscat than low-income, married consumers, but have higher purchase intention. Also, consumers who perceive Korea positively and those who prefer Korean dramas are more sensitive to the price but have higher purchase intention. Consumers with a high monthly purchase frequency of Shine-muscat have higher purchase intention of Korean Shine- muscat, but are more sensitive to the price. The results of this study can be utilized as basic information for promoting the export of Korean Shine- muscat to China.
除草劑의 種類와 施用量 및 플라스틱 필름 멀칭이 雜草發生과 고추의 收量 및 生育에 미치는 效果
李政明,曺哉銑,崔根元 慶熙大學校 1983 論文集 Vol.12 No.-
Studies were conducted to investigate the effect of Lasso [Alachlor: 2-Chloro-2'6'-dimethyl-N-(methoxymethyl) acetanilied]on mulched and nonmulched hot pepper filed. Lasso treatment greatly inhibited weed growth and the granular formulation was more effective than emusifiable concentrate in controlling weed growth in both mulched and nonmulched plots. Lasso effect was not apparent about 50 days after treatment. The growth of pepper plant was greatly promoted by mulching and yield of green peppers was more than doubled by transparent polyethylene film mulching. There was no plant in the entire plot which showed apparent phytotoxicity by Lasso treatment.
이정명,( T. Sadhasivam ),임민화,문건오,박미정,노현준,정호영 한국공업화학회 2016 한국공업화학회 연구논문 초록집 Vol.2016 No.0
Recently, redox flow battery (RFB) in energy storage system with high-capacity has been actively reseaching and developing. Economical hydrocarbon membranes alternative to fluorinated membranes for RFB membrane are receiving attention. In this study, characteristics of sulfonated poly(phenylene oxide) (sPPO) were compared with expensive fluorinated membrane at VRFB (Vanadium Redox Flow Battery) unit cell operation condition. Permeability of vanadium ion through membrane, ion exchange capacity (IEC), change of OCV, swelling, charge-discharge curves and energy efficiency were measured. sPPO membrane showed lower permeability of vanadium ion, higher IEC and then higher energy efficiency compared with Nafion 212 membranes.
2018 대한부정맥학회 비판막성 심방세동 환자의 뇌졸중 예방 지침
이정명,정보영,차명진,이지현,임우현,김태훈,신승용,엄재선,임홍의,김진배,김준수 대한내과학회 2018 대한내과학회지 Vol.93 No.2
Atrial fibrillation (AF) is the most common cardiac abnormality associated with ischemic stroke. Anticoagulant therapy plays an important role in the prevention of stroke associated with AF. Risk stratification and selection of oral anticoagulants in patients with AF are usually performed according to international guidelines from Europe or the United States of America. However, pivotal trials enrolled only a small number of Asian subjects, limiting the application of international guidelines to Korean patients with AF. The Korean Heart Rhythm Society organized a Korean AF Management Guideline Committee and analyzed all available studies regarding the management of AF, including studies on Korean patients. Expert consensus or guidelines for the optimal management of Korean patients with AF were achieved after a systematic review with intensive discussion. This article provides general principles for appropriate risk stratification and selection of anticoagulation therapy in Korean patients with AF.
李政明,姜忠吉 경희대학교 부설 식량자원개발연구소 1982 硏究論文集 Vol.3 No.-
탄저 M-45에 依한 藥害는 農藥製造年度에 依해 影響을 받았으나 다이젠 M-45에서는 모두 藥害를 보이지 않았다. 撤布時 藥液酸度를 pH 8.0으로 調整한 處理에서 가장 藥害가 심하였으며 藥液調整後 長時間放置도 藥害를 增加시켰다. 午前處理 및 撒布前後의 灌水는 藥害를 顯著히 增加시켰으며 地接部位 被覆用土에서는 一般土壤被覆區에서 가장 심하였고 細砂, vermiculite, perlite, peatmoss 被覆區에서는 顯著히 藥害가 減少되었다. 탄저 M-45는 傷處날 本葉에 撒布되었을 때 本葉의 切斷部 및 他部位에 藥害를 誘發시켰으나 다이젠 M-45는 藥害를 보이지 않았다. Phytotoxicity caused by Tanzeo M-45 was influenced by the year the chemicals produced Dithane M-45 produced in 1980 and 1981, however, consistently showed little or no injury. Adjusting the colution acidity to pH 8.0 with 20% NaCH greatly increased phytotoxicity and sprays with aged solutions also increased phytotoxicity. Early morning spray and irrigation shortly before or after chemical spray significantly increased phytotoxicity. The soil media around the sterr base greatly influenced phytotoxicity. Severe injury was found in the seedlings of which the stem base was covered with field soil whereas slight or no injury was found in the seedlings covered with fine sand, vermiculite, perlite, or peatmess. Tanzeo M-45 sprays on injured leaves of muskmelon caused moderate injury on the leaf blade whereas no such injury was found in the seedlings sprayed with Dithane M-45.