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      • 만성 활동성 간염에 있어서 Ursodeoxycholic acid의 치료효과

        김성록,안병철,윤영미,탁원영,곽규식,최용환,정준모 慶北大學校 醫科大學 1991 慶北醫大誌 Vol.32 No.4

        The purpose of this study is to evaluate the clinical and biochemical effects of SGD-F^(R)(UDCA, Vitamin B_1, Vitamin B_2 complex) in chronic active hepatitis. Observed cases were given orally after each meal(three times a day) for 4 weeks. The results were as follows: 1. Among subjective symptoms, improvement rate showed in easy fatigability 86.7%, anorexia 68.0%, indigestion 80.0%, nausea and vomiting 72.7%, RUQ pain 83.3%. 2. Biochemical parameters such as SGOT, SGPT, showed to be improved significantly after the 4 weeks treatment.(p<0.01) 3. There was no specific side effect during the study period in all cases. In conclusion, SGD-F^(R) capsule may be safe and effective for chronic active hepatitis.

      • KCI등재

        소액 지불 전자상거래 환경을 위한 프로토콜의 설계 및 구현

        손병록,박기현,유상진 한국경영과학회 2001 經營 科學 Vol.18 No.1

        An electronic micropayment system, one of electronic payment systems, is suitable especially when a small amount of money is to be paid frequently in order to purchase on-line goods (i.e., database search, software distribution, electronic news service, etc). In addition, since the amount of payment is small, possible damages caused by system failures are lower than other payment systems. In this paper, a micropayment protocol in electronic commerce environments on the internet is proposed, based on the PayWord system. And a micropayment electronic commerce system which executes the protocol proposed is implemented. Unlike the PayWord system, however, the micropayment protocol proposed in this paper is designed in such a way that a merchant does not need to request a payment at the end of every business day since a customer cannot purchase goods beyond length of hash chains, which is specified on a certificate. In addition, the system is able to check the validity as well as the duplicate spending of hash chains. The electronic micropayment system with the proposed protocol is consists of Customers, Merchants, and Brokers. Customers are implemented on Windows NT 4.0 using VC ++. Merchants are implemented on Solaris 2.5.1 and gcc 2.8.0 using Netscape Web Server and CGI methods. HP UX 10.20 is used for Brokers.

      • KCI등재
      • KCI등재

        열간단조 후 공냉에 의해 제조된 내마모강의 마모특성

        최병영,김익수,장병록,이용희 대한금속재료학회 2003 대한금속·재료학회지 Vol.41 No.4

        Wear of blades, buckets, plates and chisel occurred in operation of construction machinery, agricultural equipments, earthmoving equipments and offshore structures cause earlier failure of the components, resulting in the increased energy consumption, cost of maintenance and replacement. To solve the problems, advanced materials with higher resistance to abrasive wear have been attempted to make through alloy design and hot deformation followed by air cooling. 0.25C-1.4Mn-1.0Cr-0.7Ni-0.2Mo-0.08V-0.02Cu steels produced by hot forging were cooled in air to form bainite, showing higher resistance to wear than any other steels with different chemical composition in the sliding wear tests under the applied load of 74N. Higher strain hardening during sliding wear of 0.25C-1.4Mn-1.0Cr-0.7Ni-0.2Mo-0.08V-0.02Cu steels to cause microploughing wear mode seems to be one of the main reasons for showing higher resistance to wear than any other steels in this study.

      • 세라믹 초전도체 YBa_(2-X)Ca_(X)Cu_(3)O_(7-Y)의 특성 비교

        이종록,정병두,김민경 梨花女子大學校 韓國生活科學硏究院 1993 韓國生活科學硏究院 論叢 Vol.52 No.-

        Ceramic superconductors YBa_(2-X)(A)_(S)Cu_(3)O_(7-Y), where A=Ca or Sr, were made for several different values of X X-ray powder diffraction, SEM, magnetigation, and resistivity versus temperature measurements were carried out to study the effects of Ca and Sr substitutions into 1:2:3 type superconductors on the superconducting characteristics. Both ca and Sr substitutions were observed to observed to suppress the critcal temperatuse strongly, but Sr substitution seems to the more effective in the suppression mechanism. The decrease of Tc seems to be due to the change in oxygen concentration induced by the Ca and/or Sr substitution. This implies that the variation of critical temperature has close relation with that of mobile hole concentration in the Cu-O planes.

      • KCI등재후보

        우리나라 제조물책임(PL)판례 : 2002년 7월 제조물책임법 시행 전 · 후 판례의 비교분석을 통하여

        최병록 慶北大學校 法學硏究所 2005 법학논고 Vol.22 No.-

        The theory of product liability has been developed by precedents in Korea. But the legislation of product liability in Korea has put in operation since July 1, 2002. This study is focusing on the comparison of product liability precedent of Korea before and after July 1, 2002. Especially, I study the change of product liability rule, producer as is responsible for the casualty and property damages from defective products, the concept of defect, burden of proof and statutes of limitation in precedents. The product liability case has been treated by the rule based on the establishment of negligence of producer in tort before 2002, but in future the liability rule by just the 'defect' without the establishment of fault of the producer will be applied in all of the product liability case.

      • 醫療保險制度의 變化에 따른 醫療利用 樣相과 病床利用度 比較硏究

        최병록,함정오,김화성,이병국 순천향의학연구소 1996 Journal of Soonchunhyang Medical Science Vol.2 No.2

        This study was conducted to identify the effects of rural-fishing village health insurance system and the whole national health insurance system on the number of out-patient and in-patient cases and the hospital bed utilization, and the number of hospital persons in a university located in Choong Chung Nam Do. The results were as follows. 1. The number of out-patients was increased by 6.8% and 18.8% after the implementation of the rural fishing village health insurance system and the whole national health insurance system respectively. The number of out-patient visit cases was increased by 31.5% and 63.5% after implementation of the rural fishing village health insurance system and the whole national health insurance system respectively. 2. The number of in-patients was increased by 13.8% and 22.8% after the implementation of the rural fishing village health insurance system and the whole national health insurance system respectively. The number of bed days was increased by 27.1% and 32.8% after the implementation of the rural fishing village health insurance system and the whole national health insurance system respectively. 3. The hospital bed utilization rates were 77.3% and 98.4% before and after the rural fishing village health insurance system respectively, and 102.6%, after the whole national health insurance system. The bed rotation rate was increased from 23.6 times before the rural fishing village health insurance system to 27.0 times after the system. After the whole national health insurance program, it was also increased to 29.1 times. The average length of stay was 11.9 days before the rural fishing village health insurance system and 13.3 days after that, and 12.9 days after the whole national health insurance system. 4. Before the rural fishing village health insurance system the physicians per 100 beds was 19.0 persons. The physicians per 100 beds was increased to 25.2 persons and 29.3 persons, after the rural fishing village health insurance system and the whole national insurance system respectively. Before the rural fishing village health insurance system the nurses per 100 beds was 26.8 persons. The nurses per 100 beds was increased to 35.4 persons and 38.3 persons, after the rural fishing village health insurance system and the whole national health insurance respectively. Before the rural fishing village health insurance system the manpower per 100 beds was 101.6 persons. The manpower per 100 beds was increased to 128.6 persons and 138.9 persons, after the rural fishing village health insurance system and the whole national insurance respectively.

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