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- 저자 : 이광길 ( Kang Gil Lee ) (검색결과 3 건)
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최승주 ( Seung Ju Choi ),이광길 ( Kang Gil Lee ),신운철 ( Woon Chu Shin ),김영선 ( Young Sun Kim ) 한국안전학회(구 한국산업안전학회) 2012 한국안전학회지 Vol.27 No.5
This study is aimed to investigate the occupational safety and health management of contractor company in the steel industry, Many companies now only carry out core functions inhouse and ancillary functions have been outsourced, This results in transferring risk to the contractor, The questionnaire survey was conducted on the suppliers and contractors of steel industry. Data were collected from 29 companies and their 240 contractor companies. From the survey result, it was found that the level of safety and health management is above the average, To strengthen the relationship for safety and health management, the supplier should provide more data and design a curriculum to train workers of contractor company, Also it is needed that the supplier company employ the person in exclusive charge to support contractor.
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姜聲甫,閔宅基,李光吉 忠南大學校 産業技術硏究所 1995 산업기술연구논문집 Vol.10 No.2
This report deals with the mechanical properties when the friction welding between Al and Cu. Main results obtained are as follows; 1) With welding conditions of 2.6sec heating time, the tensile strength of weld interface was reached at that of Al base metal by 75% 2) The hardness of weld interface is considerably higher than hardness of Al base metal and top hardness of radial direction is at half position of periphery. 3) The structure of the joint was transformed as a fine structure in HAZ of meterials and the finest structure like band by high pressure and plastic deformation in weld interface adjacent to Cu.
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만성 HBsAg Carrier 에 있어서 복강경 검사하 간침생검소견에 관한 연구
전재윤,최흥재,이광길,강진경 대한내과학회 1987 대한내과학회지 Vol.32 No.3
Chronic HBsAg carriers is defined as those who have HBsAg in their sera longer than 6 momths persistently. In general, chronic HBsAg carriers have no subjective symptoms and their liver functions are normal so that they are often regarded as those who have no liver pathology at all. The hepatic status of chronic HBsAg carriers is still controversial, and the pathologic findings of asymptomatic chronic HBsAg carriers shows marked differences according to the investigators. To clarify this issue a prospective study was performed in 41 asymptomatic chronic carriers with normal liver functions and no hepatomegaiy. All the Chronic HBsAg carriers underwent peritoneoscopic liver biopsy using Vim-Silverman needle, Viral markers, age and sex distribution, occupations, reasons for HBsAg test, peritoneoscopic fingings, pathologic findings, and pathologic findings by HBeAg and anti-HBc status were analyzed in chronic HBsAg carriers. The results were as follows; 1) Both HBsAg and anti-HBc were positive and anti-HBs negative in all 41 carriers, HBeAg and anti-HBe were tested in 33 of 41 carriers. HBeAg was positive in 15cases (45.4%), anti-HBe positive in 16cases (48.5%), end both negative in 2cases (6.1%). 2) The peak incidence was in the 3rd and 4th decades (70.7%), and the female outnumbered the female at a rate of 1.73 to l. 3) In 46.4% of the carriers, the peritoneoscopic findings were consistent with chronic liver diseases. 4) In 34.1% of the carriers, the pathologic findings were consistent with chronic liver diseases including 2cases of chronic active hepatitis with cirrhosis, and 3cases of chronic active hepatitis. 5) Of the 15cases with HBeAg positive, 7cases (46.7 %) had chronic liver diseases, 5cases (33.3%) non- specific findings, and 3cases (20.3%) normal liver. Of the 16cases with anti-HBe positive, only 3cases (18.8%) had chronic liver diseases, 11cases (68.8%) nonspecific findings, and 2cases (1.4%) normal liver. In conclusion, 34,1% of chronic HBsAg carriers had chronic liver diseases even though their liver functions were normal and they had no hepatomegaly. It is recommended that a liver biopsy be done in evey chronic HBsAg carrier to confirm his undorlying liver disease although his liver functions are normal and he has no hepatomegaly.
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