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경남지역의 사무직 노동자와 육체적 노동자의 요통특성에 관한 조사 연구
이한기,구봉오,문상은,김경,조희선 마산대학 보건과학연구소 2002 保健科學論集 Vol.3 No.-
This study has been attempted to be helpful for the back rehabilitation of Korean workers by analyzing the general, occupational, social aspects of low back pain and to identify possible risk factors for back pain in White and Blue collar workers. The primary data collected from 339 workers in Kyungnam by means of a questionnaire with random which was distributed from January 10 to 18, 2001. For the test of statistical significance, chisquare analysis was used to compare the back pain characteristics between the two groups. The results were as follows: 1.The incidence of low back pain in all workers studied was 81.1 %. The incidence of Blue collar with low back pain(88.2%) was higher than that of White collars(74.1%) (p<0.01) 2.With regard to the relationship of back pain to the occupational characteristics, statistically significant differences were observed between workers with and without back pain concerning the job factors on work-time, mental stress, work posture, trunk rotation, weight lifting, vibration, and heavy noise(p <0.05). 3.With regard to the relationship of back pain to the social characteristics, there were no differences with respect to traffic time. However, significant differences were showed between no pain and pain groups for the using bed, sleeping posture, walking amount, body type, health state, and physical exercise(p<0.05). 4.The comparative analysis of back pain related to work factors showed significant differences with respect to mental stress, work posture, trunk rotation in White collar group(p<0.05); and mental stress, trunk rotation, work posture, monotonus repetitive work, weight lifting, exposure to vibration in blue collar group(p<O.05). 5.The comparative analysis of social factors in two groups showed differences with respect to the using bed, walking amount, health state, physical exercise in White collar group(p<0.05); and walking amount, physical exercise in Blue collar group (p<0.05). Especially, Blue collar group showed high differences with respect to the health state(p<0.01). 6.In regard to the general aspects of back pain between two groups, there were differences concerning etiolgy of back pain, pain duration, counselling partners, treatment types, and sick-leaves(p<0.05), except awareness of back pain.
에폭시 수지 복합재료의 트래킹열화에 미치는 충전제와 자외선의 영향
박용관,조한구,김희곤 成均館大學校 科學技術硏究所 1994 論文集 Vol.45 No.1
This paper studies on the effect of ultraviolet light and filler on the tracking characteristics of epoxy resin which is widely used to enhance the insulation capability of materials. The specimens employed in the study were bisphenol and cycloaliphatic epoxy resins filled with Si0_2. A low-pressure mercury lamp was used as the source of UV light. In order to see the phenomena of tracking of the specimen, the expoerimentation is performed to the tracking apparatus(IEC, Publication 587) which mainly used under severe ambient conditions.
임응찬,한인웅,이승준,박재호,조방현,서형수,정구용,한기원,김진원,임상규,이재윤 三陟大學校 1996 論文集 Vol.29 No.2
By impproving the educational program of the Department of Architectural Engineering and studying the theory of learning and the applied method necessary for the development of nation and society, we should develop a satisfying course of education to meet the demand and skill in the industralized society for the purpose of cultivating men of baility with great personalities and creative minds. Therefore, this study focused on classifying several kinds of occupations in the prart of architectured related to what graduates from the department of Architectural Engineering go with into the society. Accordingly after choosing some works adequate to each occupation by the proposed curricula, we tried to establish the scope of education and courses corresponding to the jobs and thus and develop a satisfying curriculum.
김진원,한인웅,이승준,박재호,조방현,정구용,한기원 三陟大學校 1999 論文集 Vol.32 No.2
Education of technology should renew itself according to the demand of the change of times. Especially college of industrial technology is encouraged to develop diverse educational methods and continual educational process for the purpose of offering life-time educational opportunities, bringing up professional technicians, and re-educating the work-forces in the industry sector. Therefore, to make the education of architectural engineering substantial, the department of architectural engineering is working to develop a practical educational process by taking the following several things into consideration: job analysis of industrial society, development of educational process in the line of special necessities of college of industrial technology, actualization of subject course, industrial-academic cooperation secure of training equipment, readjustment of educational period.
이승준,한인웅,정구용,조방현,한기원,박재호,김진원 三陟大學校 2000 論文集 Vol.33 No.2
In order to solidify the architectural education in university, we should enlarge the opportunity of field training and develop the field training course system as a part of industry-scholastic cooperation. And we should develop new educational process to bring up potent engineers adaptable to the training affairs, faithful to the educational object of the industrial university.
α1,3-Gal Knock out Pigs Increases N-Glycolylneuraminic Acids
Jong-Yi Park,Mi-Ryung Park,Hong-Thuy Bui,Deug-Nam Kwon,Min-Hui Kang,Mihye Oh,Jae-Woong Han,Ssang-Goo Cho1,Chankyu Park,Hosup Shim,Hye-Min Kim,Man-Jong Kang,Jin-Ki Park,Jeong-Woong Lee,Kyung-Kwang Lee 한국동물번식학회 2012 Reproductive & Developmental Biology(Supplement) Vol.36 No.2s
In this study, we examined whether Hanganutziu-Deicher (H-D) antigens are important as an immunogenic non-a1,3-galactose (Gal) epitope in pigs with a disrupted a1,3- galactosyltransferase gene. The targeting efficiency of the AO blood genotype was achieved (2.2%) in pig fibroblast cells. A total of 1800 somatic cell nuclear transfer (SCNT) embryos were transferred to 10 recipients. One recipient developed to term and naturally delivered two piglets. The a1,3-galactosyltransferase activity in lung, liver, spleen, and testis of heterozygote a1,3-galactosyltransferase gene knockout (GalT-KO) pigs was significantly decreased, whereas brain and heart showed very low decreasing levels of a1,3- galactosyltransferase activity when compared to those of control. Enzyme-linked lectinosorbent assay showed that the heterozygote GalT-KO pig had more sialyla2,6- and sialyla2,3- linked glycan than the control. Furthermore, the heart, liver, and kidney of the heterozygote GalT-KO pig had a higher N-glycolylneuraminic acid (Neu5Gc) content than the control, whereas the lung of the heterozygote GalT-KO pig had Neu5Gc content similar to the control. Collectively, the data strongly indicated that Neu5Gc is a more critical xenoantigen to overcoming the next acute immune rejection in pig to human xenotransplantation.
음료 및 세제류의 혼입이 콘크리트의 특성에 미치는 영향
한천구(Han Cheon-Goo),한민철(Han Min-Cheol),조병영(Cho Byoung-Young) 대한건축학회 2009 大韓建築學會論文集 : 構造系 Vol.25 No.5
This study investigates experimentally the effect of the concrete by adding the beverage and detergent on physical properties of concrete. The results are summarized as following. The slump is gradually increased corresponding to increase of the detergent content. The air content of all factors are satisfied with the target air content except the soybean milk, coffee, and detergent. The air content of the soybean milk and coffee is decreased about 1~2%, and it is extremely increased for the detergent. The setting time is greatly delayed when the tonic beverage, coffee, and lactic acid drink, which contain high saccharinity, are mixed, and it is also delayed on the detergent. The compressive strength is slightly increased on the additive containing the high saccharinity, but it is remarkably declined when the detergent is used as the additive. For the investigation of the SEM about the Plain and Cider. it could be confirmed that the cement hydroxide is formed thickly, but it is not progressed on the detergent.