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주광로,최성복 서강정보대학 1996 論文集 Vol.15 No.-
As the development of infocommunicational technologies and the increase of computer utilization have accelerated the information-oriented society, the security problem of information systems is getting a growing interest and the importance of regulations and procedures for the security problem is increasing. Information systems have to secure the auditability in order to prevent the illegal leakage of information and to track down the violators of control principles. And they also need an audit trail mechanism in order to clarify the information system managers' liabilities and to visualize those users' behaviors. Fundamentally, the audit trail is used as a method for the statistical accountability that tracks down who used which resources in what time and in which order and for the claim of using charge, the maintenance of statistics, the backup and so on. Recently, with the addition of security issues that supervise and log the inappropriate use of system resources, how to track down the illegal access to the information system has become the main issue. In order to construct the audit trail mechanism as above-mentioned, this study proposes a logical model for safe audit logging system based on UNIX system, according to the utility, the security and the perpetuity of audit log and the implantation onto the existing systems.
윤광로,박상주 中央大學校 食糧資源硏究所 1992 食糧資源硏究所 論文集 Vol.4 No.1
시판 농후 발효유의 저장 중에 유산균수, Bifidus균수의 경시적 변화를 조사하였다. Bifidus균의 검출에서 혐기적으로 BL배지에서 NNL용액에 5ml을 첨가하여 배양하는 방법이 간편 방법으로 적합하였으나, 시료별 유산균수에 비하여 Bifidus균의 검출이 감소되었으며 5℃에서 유효기간 동안 Bifidus균의 변화는 거의 없었다. 총 유산균수(혐기적 배양)는 ?? ∼?? 정도였으며 Bifidusr균은 시료별 많은 편차를 보였다. B,N,Y,S회사제품은 유효기간 동안 ??을 유지하여 큰 차이를 보이지 않았으나 M 회사 제품만이 유산균수, Bifidus균수도 적게 검출되었다. Bifidus균의 증식촉진 여부를 알아보기 위하여 SMP배지에서 oligo당을 첨가한 결과, 산도나 pH, Bifidus균수의 차이를 발견하지 못하였으며, 이는 SMP배지 자체가 생장 영양원으로 충분하였던 것으로 판단되었다. The counts of Bifidobacterium in commercial products of stirred yogurt were detected in order to investigate the consecutive changes of this bacteria. An anaerobic culture method was chosen to isolate the lactic acid bifidobacteria. This method using BL agar media containing NNl solution was found to be the most convenience and suitable for detect the total counts of Bifidobacterium. With this method, it were found that total counts of Bifidobaterium in samples were ranged over ?? ∼?? whereas that of total lactic acid bacteria cultured in anaerobic condition were ?? ∼?? /g. Among sample products made by B, N, S and M company, only a sample of M company was found to have lower level of total counts of lactic acid bacteria than other samples, B, N, Y and S. Commercial samples from B, N, Y and S company indicated consistently the average total counts of Bifidobacterium to ?? /g.
P200 : Phototrichogram analysis of normal scalp hair characteristics with aging
( Jung Eun Kim ),( Joo Hyun Lee ),( Kwang Hyun Choi ),( Won Soo Lee ),( Gwang Seong Choi ),( Oh Sang Kwon ),( Moon Bum Kim ),( Chang Hun Huh ),( Chull Wan Ihm ),( Young Chul Kye ),( Byung In Ro9 ),( W 대한피부과학회 2013 대한피부과학회 학술발표대회집 Vol.65 No.2
Background: Phototrichogram analysis of normal scalp hair characteristics in Asian populations is not well characterized. Objectives: To investigate the normal hair characteristics of South Koreans using a phototrichogram. Methods: We enrolled 674 males and 683 females between the ages of 10 and 69. Hair density, thickness and the white hair percentage were measured via phototrichogram. Six scalp sites, including front, top, the peak between top and back, back, and the right and left sides were targeted. Results: The mean hair density, hair thickness, and the white hair percentage were not significantly different between genders at any scalp site. The mean hair density and thickness were significantly different according to scalp sites. Hair density declined with age, especially at the peak between top and back. Males and females showed different patterns of aging in hair density. Hair thickness changed little with age. But, mean hair thickness generally tended to increase until the 20s, reach a plateau between the 20s and 50s, and decrease after the 50s. The mean white hair percentages were 1.84 ± 4.24% in males and 1.66 ± 4.21% in females. The mean white hair percentages were significantly increased in subjects greater than 40 years of age. Conclusion: We described the normal characteristics and aging patterns of scalp hair in a Korean population.
Joo, Kwang Ro,Shin, Hyun Phil,Cha, Jae Myung,Nam, Sua,Huh, Youngbuhm Lippincott Williams Wilkins, Inc. 2009 PANCREAS Vol.38 No.6
OBJECTIVES:: Korean red ginseng (KRG) is a representative herbal remedy in Korea. We examined the effects of KRG treatment on superoxide dismutase inhibitor-induced experimental pancreatitis. METHODS:: Sprague-Dawley rats and KRG from the roots of a 6-year-old fresh Panax ginseng C. A. Meyer plant were used in this study. Pancreatitis was induced by intraperitoneal injection of diethyldithiocarbamate for 4 weeks. Korean red ginseng was fed orally to rats for the next 3 weeks. At week 7, all rats were killed, and pancreatic tissues were analyzed. RESULTS:: No histological alterations were detected in the pancreata of normal and KRG control groups. Tissues from the non-KRG-treated pancreatitis group exhibited marked pancreatic damage including changes in histological architecture, acinar cell necrosis and degeneration, and cytoplasmic vacuolization. However, tissues from the KRG-treated pancreatitis group exhibited no cellular damage and had normal histological pancreatic architecture. Immunohistochemical examination revealed that the expressions of nuclear factor &kgr;B, tumor necrosis factor α, inducible nitric oxide synthase, and the oxidant stress markers, malondialdehyde and 4-hydroxynonenal, were significantly decreased in the KRG-treated pancreatitis group as compared with the non-KRG-treated pancreatitis group. CONCLUSIONS:: Our results suggest that KRG has antioxidant therapeutic effects on superoxide dismutase inhibitor-induced pancreatitis by inhibition of nuclear factor &kgr;B.
주광로 ( Kwang Ro Joo ) 대한내과학회 2008 대한내과학회지 Vol.75 No.6
Gallstones form as the culmination of a complex series of events that results in precipitation of insoluble substances including cholesterol or bilirubin in the gallbladder. Bile formation is essential for lipid digestion and the removal of excess cholesterol from the body either by direct excretion or after conversion to bile acids. Gallstones occur when insoluble lipids and inorganic salts secreted by the liver cannot be solubilized as they normally are in bile by the detergent properties of bile salts. For this to occur, metabolic events must take place to produce bile that contains excess amounts of either cholesterol or bilirubin (supersaturation), both of which are relatively insoluble in aqueous solution. Additionally, physical factors must allow rapid nucleation within the residence time of bile in the biliary tree. (Korean J Med 75:607-615, 2008)