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석회보르도액 살포가 거봉포도의 노균병 발생에 미치는 영향
정성민,마경복,박서준,김진국,노정호,허윤영,박교선,Jung, Sung-Min,Ma, Kyeong-Bok,Park, Seo-Jun,Kim, Jin-Gook,Roh, Jeong-Ho,Hur, Youn-Young,Park, Kyo-Sun 한국유기농업학회 2011 韓國有機農業學會誌 Vol.19 No.4
Bordeaux mixture made with each grade of lime and copper sulfate was tested general property and disease control value. Bordeaux mixture was made by composition of each grade of lime (95%, 80%) with each grade of copper sulfate(98.5%, 95%). Phytotoxicity was evaluated to Bordeaux mixture made with each grade of lime and copper sulfate, and then low grade copper sulfate (95%) was more severely in the grapevine leaf. Bordeaux mixture, made with each grade lime and copper sulfate, were tried to evaluate control effects of downy mildew in field. As a result, Bordeaux mixture (95% of lime and 98.5% of copper sulfate, 6-6) applied 5 times at late in June was showed more effective disease control value than any other trials of Bordeaux mixture. There was no difference in nutrient status of petiole each treatment. But fruit characteristics were shown more slightly improved quality.
정성민(Sung Min Jeong) 한국기독교학회 2004 한국기독교신학논총 Vol.34 No.-
Tillich holds that one s existence is in the state of estrangement. That is to say, one is in the split between essence and existence. Essence can mean the original and uncorrupted nature of things from which being has fallen. For Tillich, essence gives the power of being to being, and, simultaneously, it becomes the law to judge it. If essence is united with existence. neither law nor judgment exists. However. if essence and existence are not united. essence. as law opposes all that is, and judgment is real in self-devastation. Existence can he interpreted as "the possibility of finding a thing within the whole of being," as "the actuality of what is potential in the realm of essences," as "fallen world," and as "a type of thinking which is aware of its existential conditions or which rejects essence entirely." Consequently, for Tillich, the separation of existence from essence is the separation of the actual from the created world. In contrast to the fact that the split between essence and existence in ones life is absolutely actual. God is beyond essence and existence. Consequently, estrangement means that one is separated from the "ground of being," from other being. and from himself. The word "estrangement" adequately displays one` s existential predicament. Accordingly, it is biblical to use the tens "estrangement" in portraying ones existential predicament because the word, "estrangement," is a reinterpretation of sin from a religious perspective. Accordingly. ones predicament is estrangement, which is sin. In this religious reinterpretation, sin is understood as one s estrangement from God, from men, and from himself. Since the opposite of estrangement is the reunion of the separated, estrangement is conquered by reunion. Accordingly, sin is mastered in love. which is the struggle for the reunion of the separated. In the state of estrangement, the relation of being to the ground of being is lost, and the domination of non-being over being is experienced. If one`s existence is united with essence. he is not threatened by non-being. That is to say, non-being is helpless where essence and existence are united. Unfortunately. however, every being is in the state of estrangement. One cannot avoid despair and anxiety caused by estrangement. Consequently, one must find the way to overcome estrangement between essence and existence, or seek someone who can unite essence with existence. According to the eschatological symbol, for Tillich, he who is the Christ brings "the new eon." This means that the Christ is the one who brings the new state of things, the New Being. Christianity claims that Jesus of Nazareth is the Christ. If this claim is wrong, Christianity is then a false religion. Tillich holds that "the affirmation that Jesus is the Christ is an act of faith and consequently of daring courage." The New Being has the power to conquer the gap between essence and existence because it is essential being underthe conditions of existence. Jesus could be the Christ by participating completely in existence. This means that, in order to be the Christ. Jesus had to take suffering and death upon himself. Moreover, this indicates, `:Jesus, like every man, is finite freedom"If Jesus is not equal with humankind, he cannot be the Christ. Since the being of Jesus is also the New Being, Jesus provides every being who participates in him with the power of being to overcome the forces of estrangement. That is. the New Being is universally valid for every human being. Tillich holds that Jesus as the New Being is the end of existence because the estrangement between essence and existence has been mastered by him. Tillich`s concept of estrangement shows that Tillich is different from the 19thcentury liberal theologians because for them, the idea of estrangement, that is. the reinterpretation of sin had been ignored. The concept of estrangement can make Tillich theology be understood as one of the neo-orthodoxy theologians who turned their p
Aspergillus 속 곰팡이에 오염된 포도로 제조된 포도주 및 시판 포도주의 Ochratoxin A 함량
정성민(Sung-Min Jung),장은하(Eun-Ha Chang),박서준(Seo-Jun Park),노정호(Jeong-Ho Roh),허윤영(Youn-Young Hur),류명상(Myeong-Sang Ryu),정석태(Seok-Tae Jeong) 동아시아식생활학회 2011 동아시아식생활학회지 Vol.21 No.2
The Aspergillus sp. is well known as a fungus that causes black mold disease and secretes ochratoxin A (OTA). Our study found that infection by this fungus via inoculation onto grapes produced more severe symptom in wounded berries than in fresh berries. Furthermore, OTA contents were higher on the grape skins than in the fleshy portions of the grapes. OTA accumulated during the first 3 days after inoculation, but then gradually decreased. The OTA contents in wine made from 5 kg of grapes which included 400 g of infected grapes ranged from 0.17 to 0.37 ㎍/㎖. An investigation of 25 marketed commercial wines showed the OTA contents were <1.2 ㎍/㎖ which is lower than the limit of 2 ㎍/㎖ established by the Korea Food & Drug Administration.
주행저항저감을 위한 초저공력차량형상 및 차량공력저감장치를 부착한 차량형상 매개변수 연구
정성민(Seong-Min Jeong),김태경(Tae-Kyung Kim),안상준(Sang-Jun Ahn),최중근(Joong-Keun Choi),김규홍(Kyu-Hong Kim),김광연(Kwang-Yeon Kim) 한국자동차공학회 2013 한국자동차공학회 부문종합 학술대회 Vol.2013 No.5
본 논문에서는 초저공력차량의 형상과 차량공력저감장치를 부착한 차량형상을 이용하여 주행저항 감소를 위한 형상 매개변수 연구를 진행하였다. 우선 기존의 초저공력차량으로 알려진 쿠페형 컨셉카의 형상을 전산 해석하여 항력계수와 공력저감의 주요 변수들을 확인 및 분석하였다. 그후 빠르고 간편하게 형상 변형이 가능한 수학적 형상 함수인 Vehicle Modeling Function을 통해 쿠페형 컨셉카의 기본 형상을 도출하였고, 앞서 구한변수들을 바꿔가면서 형상매개변수 연구를 수행하였다. 그리고 주행 저항이 감소된 VMF 차량형상에 차량 언더커버의 하부핀, 차량 하부 및 측면의 사이드에어댐, 차량후방의 리어디퓨져와 같은 공력저감장치를 설치후 형상 매개변수 연구를 통하여 차량의 주행 저항이 추가적으로 저감되는 경향을 확인하였다.