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Ashbya gossypii JAG - 13 변이주에 의한 riboflavin 의 생산
심문보(Moon Bo Shim),염성관(Sung Kwan Yum),김만근(Man Keun Kim),방원기(Won Gi Bang) 한국응용생명화학회 1993 Applied Biological Chemistry (Appl Biol Chem) Vol.36 No.5
For the production of riboflavin, strain development of Ashbya gossypii NRRL Y-1056 was attempted by NTG(N-methyl-N`-nitro-N-nitrosoguanidine) treatment. The optimum composition of culture medium and other culture conditions for the production of riboflavin by selected mutant Ashbya gossypii JAG-13 were determined. The optimum composition of medium was 9% of corn oil, 3% of gellatone, 4% of CSL, 0.3% of glycine, 0.2% of S770. The optimum culture temperature and initial pH of medium was 28℃ and 6.5, respectively. oxygen was essential for the production of riboflavin, but excess oxygen inhibit the production of riboflavin. When Ashbya gossypii JAG-13 was cultured under above conditions for 12 days with a bioreactor, 6.9 ㎎/㎖ of riboflavin was produced.
심문보 한국환경정책학회 1998 環境政策 Vol.6 No.2
The purpose of this paper is twofold. The first is to identify factors that are giving great impact upon residents' protest against the sites for environmental infrastructure. The second is, based upon the result, to explore rational methods which can solve the conflicts between the resident and environmental manager of local government. Environmental infrastructure is regarded as a unwanted facility that residents do not like it in there front yard though they acknowledge that it is a necessary facility. Residents' protest against unwanted public facilities such at environmental infrastructure has been prevalent in every city in Korea because these facilities are believed to have a serious impact on the erlvironment. Until now, Most studies have usually employed ANOVA, regression analysis, and cross-tab, These analyses have the limit to do the analysis of quantification. Thus using the quantification type II, this study tried to analyze the difference between two groups related to siting of environmental infrastructure. This study has examined four questions concerning the site selection for an environmental infrastructure. The general questions are concerned with the items that must be considered, desirable site selection, institutional mechanism, and the compensation.
심문보,윤영채 한국환경정책학회 2000 環境政策 Vol.8 No.2
This study dealt with policy directions and strategies to efficiently manage the insanitary the landfills closed at the local level of government. The three of the many techniques for the maintenance or restoration of landfills were presented and discussed mainly. As such were stabilizing technique at the present place, excarvation & sorting technique, and transporting technique. In this study, they were analyzed and compared from the environmental and economic points of view, based on the experiences of the Province of Chungchongnam-do. The following polity implications were drawn from this study : First, the stabilizing technique may be best utilized in the area where is not only small in magnitude, but not emergent from the environmental perspective. Second, the excarvation & sorting technique, in the area where the magnitude is big and the environmental contamination in the surrounding areas is serious. Third, the transporting technique, in the area where is small and expected to be contaminated in the near future.
지방정부의 축산분뇨처리시설의 실태조사 및 운영효율화 방안에 관한 연구
심문보 한국환경정책학회 2001 環境政策 Vol.9 No.1
The objective of this research was to lay out a scheme to enhance an efficiency and a beneficial cost effect on those planned and existing livestock waste facilities through making alternative ideas after grasping those problems related with facility operation and management carried out by individual livestock farmhouse and public treatment facilities in a local government. The research was focused on such livestock farmhouses as to produce the largest waste loads among those located in Chungnam province. The literature review was conducted to catch hold of the waste productions and present treatment conditions based on the data furnished by the live stock·related departments. Moreover, fined investigations into actual conditions were carried out to seize the problems related with maintenance and management of livestock waste treatment facilities. Since the optimum breeding heads are about two hundreds, the appropriate treatment facilities may minimize the maintenance/management costs. Besides, it is necessary to set up such facilities with low maintenance/management costs, easy operation, and no additional process. In terms of the economy of scale, the supporting funds should be concentrated on such livestock farmhouses with 2000 heads In order to enhance price competitiveness.
지방정부의 축산분뇨처리시설의 실태조사 및 운영효율화 방안에 관한 연구
심문보 공주대학교 자원재활용 신소재 연구센터 2002 센터사업 성과집 Vol.- No.1
The objective of this research was to lay out a scheme to enhance an efficiency and a beneficial cost effect on those planned and existing livestock waste facilities through making alternative ideas after grasping those problems related with facility operation and management carried out by individual livestock farmhouse and public treatment facilities in a local government. The research was focused on such livestock farmhouses as to produce the largest waste loads among those located in Chungnam province. The literature review was conducted to catch hold of the waste productions and present treatment conditions based on the data furnished by the livestock-related departments. Moreover, fined investigations into actual conditions were carried out to seize the problems related with maintenance and management of livestock waste treatment facilities. Since the optimum breeding heads are about two hundreds, the appropriate treatment facilities may minimize the maintenance/management costs. Besides, it is necessary to set up such facilities with low maintenance/management costs, easy operation, and no additional process. In terms of the economy of scale, the supporting funds should be concentrated on such livestock farmhouses with 2000 heads in order to enhance price competitiveness.