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박흥식,정순재,오주성,최성관 東亞大學校 大學院 1999 大學院論文集 Vol.24 No.-
The economic impact on the environment and human health caused by conventional chemical intensive agriculture is causing scientist to re-assess the development of agricultural systems. Pesticides and processed chemical fertilizers have been shown to becausing environmental disruption which will nudermine the resource base on which agriculture production depends. The rise of sustainale agriculture, integrated pest management, organic agriculture, and other forms of alternative agriculture are a result of varmers and researchers searching for new solutions to the problem of food production which does not endanger the all important agriculture are a result of farmers and researchers endanger the all important agriculture resource base. Organic agriculture is one approach which has been developing more quickly in recent years with increasing consumer purchasing power. Organic agriculture has shown itself to be sa or more profitable, and in many cases as productive as conventional agricultural methods on some crops. Further development of organic agriculture, and low-input agriculture will require further modification of policies which overwhelmingly support high imput, chemical intensive agriculture.
박영수,김창오,김영근,홍성관,장경희,허애정,염준섭,송영구,김준명 대한감염학회 2001 감염 Vol.33 No.5
The Korean hemorrhagic fever (KHF) is an acute febrile disease with characteristic of fever, bleeding tendency, and renal failure. There are many complications of Korean hemorrhagic fever such as infection, anemia, internal bleeding, hypopituitarism, respiratory, and neurologic complication. A few cases were reported on acute pancreatitis with hemorrhagic fever abroad, but there was no case about Korean hemorrhagic fever with acute pancreatitis in this country. We experienced a case of Korean hemorrhagic fever associated with suspected acute pancreatits. With review of articles, we report a case of 51 year-old woman with KHF, where acute pancreatitis developed during management, (Korean J Infect Dis 33:376∼379, 2001)
裁植距離가 輸出用 가지(Solanum melongena. L)의 生育 및 收量에 미치는 影響
최성관,이재필,진동호,오주성,박흥식,정순재 동아대학교 농업생명과학연구소 2001 農業生命資援硏究 Vol.10 No.1
This study was carried out to investigate effect of the planting distance of Eggplant(Solanum melongena. L). These grafting seeding "Torobambica", rootstock "Jang Ja" and "Chuk Yang" were tested to investigate the differences between the growth of eggplants and the numbers of eggplants which can be influenced by the planting distance such as 100×50cm, 100×60cm and 100×70cm. The results are summarized as follows: 1.The plant height, leaf length, leaf, width, leaf area and the number were good for the growth change of each cultivar from planting distance such as 100×70cm. 2.The grafting seedlings "Chuk YanglTorobambica" grew and developed better than "Jang Ja" and "Jang Ja/Torobambica" 3.Effects of scion on the rootstock for planting distance "Chuk Yang" grew and developed better than "Jang Ja"
허성관,권오섭,최종탁,박동은 대구대학교 과학기술연구소 2001 科學技術硏究 Vol.8 No.2
In this paper, we study the effect analysis on the quality certification of ISO 9000 in a company. For this study, the correct understanding of management level, the effect of certification requisition, and the improvement effects of some problems happen to the company are studied, before and after introducing the quality management system of ISO 9000. To analyze the various effects of the quality management system of ISO 9000, some companies certificated by the ISO 9" are surveyed and analyzed. The aim of this study is to provide some information to a company that want to introduce the quality management system of ISO 9000.
허성관,이성우,박재훈 대구대학교 (한사대학) 산업기술연구소 1993 産業技術硏究 Vol.12 No.-
We calculate returning periods of investment by trial and error method and so on. But these methods were given difficult calculation and long time for calculating. This paper recommends new calculating methods about returning periods of investment in the economics of interest. Returning years were calculated by conversion of logarithm. New method attributes comfortable calculating and efficiency for returning periods.
Tomatotone과 Gibberellin(GA3)의 處理가 輸出用 가지(Solanum melongena. L)의 生育 및 收量에 미치는 影響
최성관,이재필,진동호,오주성,박흥식,정순재 동아대학교 농업생명과학연구소 2001 農業生命資援硏究 Vol.10 No.1
These grafting seeding "Torobambica", rootstock "Jang Ja" and "Chuk Yang" were tested to investigate the differences between the growth of eggplants and the number of eggplants which can be influenced by the growth retardant aerosol. For the test of the growth retardant aerosol, the flower clusters were sprayed with one hundred units of Tomatotone liquid and with three hundred units of GA3 on the day they flowered and sprayed two or three days before flowering. The results were as follows: 1.According to the growth retardant aerosol of Tomatotone, the plant height was the tallest at 226.21 cm with foliar spray and the high Marketable fruit was good at the percent of 77.38 with a flowering spray and Tomatotone on the day they flowered. 2.According to the growth retardant aerosol of GA3, the plant's height was the tallest at 229.27cm with foliage which was sprayed every week. The high quality fruit was good at the percent of 69.11 with a flowering spray and GA3 on the day they flowered. 3.According to Tomatotone and GA3 treatments of the plant growth regulators, the plant's height was the tallest sprayed every week and the high Marketable fruit was good at the flowering spray and Tomatotone on the day they flowered. and Yield per 10a was good at the flowering spray and Tomatotone on the day they flowered.
고정상세포분리기의 개발 및 Cyclosporin A 생산을 위한 고정화 연속배양공정에의 적용
이태호,박성관,장용근,전계택 한국미생물생명공학회 ( 구 한국산업미생물학회 ) 1996 한국미생물·생명공학회지 Vol.24 No.6
균사형성 미생물인 고정상곰팡이의 연속배양공정에 필수적인 효율적인 고정상세포분리기를 개발하고 이를 실제로 면역억제제인 cyclosporin A(CyA) 연속생산공정에 적용하였다. 점성이 큰 고분자인 carboxymethyl cellulose 용액을 이용한 실험에서 개발된 고정상 세포분리기는 분리능이 우수하여 고점도·고유속의 경우에도 고정성담체가 거의 유실되지 않았다. 이는 고정상세포분리기내에 설치된 공기유출관과 분리관의 역할에 기인하는 것으로 보인다. 또한 실제 곰팡이 세포를 이용한 고정상 연속배양(IPRS)의 경우 고정상세포분리기를 설치함으로써 담체밀도의 감소와 배양액내의 고농도(10g/l) 현탁 곰팡이 세포의 존재에도 불구하고 안정한 조업가능성을 보였다. 고정상 연속배양의 높은 희석속도에도 불구하고 균체 및 CyA의 생산성이 높게 나타났으며, 담체가 반응기 밖으로 거의 유출되지 않은 점으로 보아 고정상세포분리기의 우수한 성능 및 조업안정성을 확인할 수 있었다. We have developed an efficient immobilized cell separator for continuous operation of immobilized fungal cell cultures, and applied this separator to actual fermentation process for the production of cyclosporin A (CyA), a powerful immunosuppressant. In the experiments employing highly viscous polymer (carboxymethyl cellulose) solution, the decantor showed good separating performances at high solution viscosites and fast dilution rates. Air duct and cylindrical separator installed inside the decantor turned out to play key roles for the efficient separation of the immobilized cells. By installing the decantor in an immobilized perfusion reactor system (IPRS), continuous immobilized culture was stably carried out even at high dilution rate for a long period, leading to high productivities of free cells and CyA. Almost no immobilized biomass existed in effuluent stream of the IPRS, demonstrating the effectiveness of the decantor system for a long-term continuous fermentation. It was noteworthy that we could obtain these results despite of the unfavorable fermentation conditions, i.e., reduced density of the biosupports caused by overgrowth of cells inside the bead particles and existence of high density of suspended fungal ells (10 g/l) in the fermentation broth.