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김형화 건국대학교 자연과학연구소 1997 建國自然科學硏究誌 Vol.8 No.-
Recently the high value added agricultural products are increased in the world market trade. This means that any country which is poor in resources of the agricultural products would be able to produce and export them in the world market with keen competition edge. Korea is importing a lot of bulk commodities from foreign countries, and such a tendency is intensified every year. But she is relatively specialized in exporting food preparations of cereals. According to this analysis it would be possible for Korea to export the products processed with the imported bulky agricultural products, so that Korea can enjoy the high value added through processing.
金炯華 건국대학교 1995 學術誌 Vol.39 No.1
This study is aiming at discussing about the reasons why the Korean poultry industry has been shrieked and the ways how to develope it. In the initial stage the poultry industry could rapidly be expanded due to increased demand of chicken, which is relatively elastic to income. However, according to increasing income of the consumers, chicken can not be chosen as a high quality flood any longer, and consequently the real demand has been decreased having lower income elasticity. Under such situation, the policies should fundamentally be altered.
지역사회에서 형성된 사회적 지지와 근로자의 사회심리적 스트레스간의 관련성
임화영,김형수,최영환,장성훈,이건세,정최경희,오원기,최재욱,정춘화 대한산업의학회 2006 대한직업환경의학회지 Vol.18 No.4
Objective: This study was performed to examine the relationship between community-based social support and psychosocial distress in workers. Methods: The study subjects were 596 workers recruited from 11 companies in Chungju city. A structured questionnaire was used to assess sociodemographics, health-related behaviors, job characteristics, job stress, work-based social support, community-based social support and level of psychosocial distress. Results: Hierarchical multiple regression analysis showed that workers with no chronic disease, exercise and sufficient sleep had a higher score of psychosocial distress than those with chronic disease, no exercise, and not enough sleep. Coworker's work-based social support and community-based social support were negatively associated with psychosocial distress. The R square value of total independent variables on psychosocial distress was 0.409, and that of community-based social support on psychosocial distress was 0.052. Conclusion: This study showed that community-based social support served as a protective factor against psychosocial distress in some workers. We recommend the establishment of a worksite stress reduction program in occupational level as well as community-based social support.
한국과 일본 양국 농가 경제에서 농업생산성의 비교 연구
김형화 建國大學校 自然科學硏究所 2004 建國自然科學硏究誌 Vol.15 No.-
This study is a comparative analysis of agricultural productivity in the farm economy between Korea and Japan. The farms in Korea and Japan altogether have very small scales with around lha of arable land. Nevertheless the land productivity of the farmers in Japan is 1.5 times higher than that of Korea. This is not because of the natural and social conditions in agriculture, but because of the difference in the economic development between two countries. This analysis implicates that the productivity of the Korean farmers can be increased without enlarging the land scale. However we note that the Korean farmers should make the new agricultural production system with capital intensive and high technology production.
鉛暴露 作業者의 鉛中毒 早期發見을 위한 集團檢診法 改善方案에 관한 硏究
홍대용,김장락,정주화,최현림,윤형렬 慶尙大學校 1995 論文集 Vol.34 No.1
This study was carried out to evaluate the feasibility of current lead indicators used in screening lead who were sspeted to have been exposed to lead were selected as 'case'and 207 female workers from non-lead industry were selected for 'control'. The results obtained were as follows: 1. The mean values of blood lead for case and control were 31.4㎍/dl, 22.2㎍/dl,respectively. The difference observed in the mean concentration between case and control was statistically signifi-ant(P<0.01) 2. The mean values for blood ZPP by hematofluorometer for case and control were 31.3㎍/dl, 25.4㎍/dl,respectiely. And difference between two groups was statistically significant(P<0.01). 3. No statistically significant correlation was found between working duation and blood lead, blood ZPPlovel. 4. According to the simple correlation analysis,ZPPand urine lead were found to be statistically correlated with blood lead(P<0.01) 5. According to the discriminant analysis using blood lead as a dependent variable, it showed 89.1% predictability when using 40㎍/dl as a cutting value which is used as a screenig cutting value for industry workers health examination, while 81.8% for 30㎍/dl,77.54% for 20㎍/dl, respectively. 6. Lead related simptons which is used for screening the lead ntoxicated patients were used as a dependent variables in multiple regression analysis to find useful lead indicator. And significant independent variables were found to be ZPP, Age, and Hct. 7. Above results suggest that objective evalution of feasibbility of several lead indicators should be developed to correct the disutility of current lead screeng system in Korea.
Hyeong Hwa Ha,김정규,Jong Wook Lee 한국응용곤충학회 2011 Journal of Asia-Pacific Entomology Vol.14 No.4
Korean species of the genus Cleptes Latreille were taxonomically reviewed, and seven species were confirmed. Among them, C. fudzi and C. japonicus were new to Korea, and C. metallicorpus was new to science. A C. seoulensis male was described for the first time. Cleptes nitidulus was tentatively excluded from Korean fauna. A key to Korean Cleptes species, diagnostic descriptions for all treated species and digital images are provided.