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Linux 플랫폼 상에서의 대용량 로그 처리 기법에 대한 연구
문세광(Moon, Sae-Kwang),윤한경(Yun, Han-Kyung) 한국정보전자통신기술학회 2008 한국정보전자통신기술학회논문지 Vol.1 No.3
네트워크 보안 장비에서 발생되는 대용량 로그를 syslog-ng을 이용하여 파일로 저장하도록 구현하고, 파일로 저장된 로그 메시지를 데이터베이스로 저장하기 위해 gcc를 이용하여 쓰레드 프로그램을 개발하였으며, 이것을 서버스크립트 언어인 PHP를 이용해 로그의 내용을 파악하는 웹기반 뷰어를 개발하였다. 또한 방화벽에서 발생되는 로그 메시지를 처리하는 패키지 상품과의 비교를 통해 성능을 분석하였다. In the course of research, the program that is able to process files through gcc and imput them into the database has been developed, using Syslog-ng based Unix system. PostgreSQL and PHP are used for database and Web-based server side script respectively.
白鼠肝臟의 組織酵素化學的 硏究 : 膽道를 中心으로 하여 Changes in biliary ducts
文世光 경북대학교 의학연구소 1966 慶北醫大誌 Vol.7 No.1
In a part of attempting to elucidate the metabolic functional activities of the liver, especially of the bile ducts, several enzymatic histochemical, such as acid phosphatse, alkaline phosphatase, adenosinetriphosphatase(ATP-ase), 5-nucleotidase, non-specific esterase, reduced nicotinamide adenine dinucleotide(NADH) diaphorase and succinic dehydrogenase(SD), activity patterns were studied in the variously proliferated bile ductds of CFA adult rat livers. These conditions were experimentally producd by means of the common duct ligation for 3 weeks and clonorchis sinensis infestation for 2 months, and comparative studies were carried out with normal ones. 1. On the distribution of acid phosphatase: In normal rat livers, a slight degree of enzymatic activities were observed in the epitheliar cyto-plasm of bile ducts. The pericanalicular enzymatic activities were markedly increased following the common duct ligation for 3 weeks, while slightly increased following the common duct ligation for 3 weeks, while slightly increased following clonorchis sinensis infestation for 3 weeks, while slightly increased following clonorchis sinensis infestation for 2 months. In the latter case, a slightly increased luminal surface area enzymatic activities of the relatively larger bile duct epithelium were observed. 2. On the distribution of alkaline phosphatase: The enzymatic activities in the periductal and ductular connective tissue were observed. Following the common duct ligation for 3 weeks, a slightly increased activities were observed in them. A slightly increased activities in the periductular connective tissue, but of moderate increase in the periductal connective tissue were observed in the case of clonorchis infestation for 2 months. 3. On the distribution of ATP-ase and 5-nucleotidase: Generally, staining reaction of 5-nucleotidase Scho‥nlein weaker than that of ATP-ase. In normal rat livers, the bile canaliculi were demonstrated brilliantly. The ATP-ase activity in the periductal connective tissue was more weakly stained than in bile canaliculi, but 5-nucleotidase revealed of reversed reactions. A slightly decreased ATP-ase activity was observed in bile canaliculi of the ligated common duct, but markedly increased picture was obtained in the periductal connective tissue. On the luminal surface of the ductal epithelium was observed a slight degree of the enzymatic activity. In the case of clonorchis sinensis infestation, the pictures of canalicular rupturing, distortion and small bud-like outpouching were very prominent, and ATP-ase activity was markedly decreased than in common duct ligation and normal control. Much increased enzymatic activity was observed on the luminal surface of the duct epithelium. However, 5-nucleotidase activity was same degree under these different conditions. 4. On the distribution of non-specific esterase: In normal rat livers, bile duct epitheliar cytoplasmic activity was observed, and following the common duct ligation a slightly increased activity was observed in both ductal and ductular epithelium. While in the clonorchis sinensis infested cases, the enzymatic activity was much more increased in the ductal epithelium than in ductular epithelium. Morever, accentuated activity was observed in the vicinity of the bile duct luminal surface. 5. On the distribution of NADH diaphorase and SD: Enzymatic activity in the bile duct epitheliar cytoplasm was observed. A slightly increased activity following the common duct ligation, but moderately increased in clonorchis sinensis infested cases were observed. In the latter case, the enzymatic activity was markedly increased in ductal epithelium than in ductular epithelium, and with association of markedly accentuated feature on the luminal border of the bile duct epithelium. Physico-pathological mechanisms studied by means of serveral enzymatic histochemical patterns of the rat livers were discussed.
배성조,문세광,도사금,임성이,곽철승,장세윤 대한내과학회 1986 대한내과학회지 Vol.31 No.3
This is a case of leukemia which was negative for peroxidase and PAS stain. However the perpheral blood smear showed l%. of hand-mirror ce1ls, bone marrow smear revealed markedly increased blast form leukocytes with the features of hand-mirror, teardrop and tadpole appearances in 50% of them. Based on the above findings, hand-mirror cell leukemia could be diagnosed.