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      • 中風에 活用된 吐法에 對한 文獻的 考察

        成彊慶,金世吉 圓光大學校 韓醫學硏究所 1993 원광한의학 Vol.3 No.1

        This study has been carried out to investigate the indication of the method of inducing vomiting applied in apoplexy by referring to literatures. The results were as follows : 1. The method of inducing vomiting was applied for the sputum in the upper portion of the body cavity in the early atage of aopolexy based on the therapeutic principle of jumping over the high. 2. The method of inducing vomiting was applied for the obstruction of airways or esophagus with sputum as a first aid to aopplexy based on the principle of treating the outward symptom in the emergency. 3. The method of inducing vomiting was forbidden to the weak. These results suggests that the method of inducing vomiting was applied for the sputum in the upper portion of the body cavity in the early stage of appoplexy and that further study should be ensued.

      • DES와 RSA의 결합 모델 기반의 채팅 프로그램

        길정수,강상엽,권호열 강원대학교 정보통신연구소 2001 정보통신논문지 Vol.5 No.-

        With the rapid development of communication technology and widespread uses of internet service, we showed on interest in information security. This environment was required protection of personal information and keeeping of data transmission secure. In this paper, we will enhance safty of RSA and the high speed processing of DES with the system. This chatting program is based on JAVA

      • Trithioformaldehyde(TTFA)가 백서에서 사염화탄소 투여에 의한 간 손상에 미치는 영향에 대한 형태학적 연구

        강병길,김창진,강상균 순천향대학교 1992 논문집 Vol.15 No.2

        Carbon tetrachloride is not only toxic to the liver causing centrilobular necrosis and fatty change, but also harmful to the kidney, the lung and the nervous system. It causes hepatic injury constantly regredless of the routes of administration, so that it is used in the animal model of toxic hepatic injury. It is metabolized by microsomal enzyme, cytochrome p-450, to produce trichloromethyl and monoatomic free radicals, which have toxic effects on cell membrane and cytoplasmic organelles. Their toxic effects can be lessened by antioxidant vitamin E or methionine and glutathione Trithioformaldehyde(TTFA) is a synthetic cyclic aliphatic compound containing three sulfur atoms. This study is done to evaluate the protective effects of TTFA on the hepatic injury caused with carbon tetrachloride by light and electron microscopic examination. The results are as follows. 1. TTFA administration increased SGPT and SGOP compared to the control group. 2. Pretreatment of TTFa before carbon tetrachloride administration decreased SGOT and SGPT compared to the carbon tetrachloride alone administration. 3. TTFA administration brought slightly irregular hepatic cell cords light microscopically and dilattion of RER and mitochondria electron microscopically. 4. Carbon tetrachloride administration brought extensive severe centrilobular hepatic necrosis and fatty change light and electron microscopically. 5. Pretreatment of TTFA before carbon tetrachloride administration brought centrilbular necrosis but the fatty change was minimal compared to carbon tetrachloride alone administration. Electron microscopically, the cell necrosis and degeneration were also in lesser degree compared to the carbon tetrachloride alone administration. The above results suggest that TTFA might lessen the hepato-toxic effects of carbon tetrachloride, but further studies are needed to elucidate it.

      • Clay/Epoxy 하이브리드 나노복합재료의 합성

        강재현,유성구,서길수 영남대학교 공업기술연구소 1999 工業技術硏究所論文集 Vol.27 No.2

        In this study, octadecyltrimethylammonium ion was intercalated in the gallery space of layered sodium montmorillonite(MMT) via an ion-exchange reaction. The gallery space was further modified by grafting of the aminopropyl groups via a reaction between a octadecyltrimethyl-ammonium-MMT intercalation compound and 3-aminopropyltriethoxysilane(APS) in order to use as a filler for epoxys-clay hybrid nanocomposites. The interlayer modification of MMT was confirmed by XRD, IR, and 29Si MAS NMR. Furthermore, the resulting hybrid nanocomposites were characterized by XRD, transmission electron microscopy(TEM) and scanning electron microscopy(SEM). The results proved that the organomontmorillonite could be exfoliated into ca. 100Å thickness and uniformly dispersed in the epoxy matrix.

      • 傳統武藝 단지 조성을 위한 조사 : 한국 골굴사와 중국 소림사 사례 비교를 중심으로 With compared reference of Golgulsa in Korea with Shaolinsi in China

        강태호,정길상 동국대학교 관광산업연구소 2000 관광·호텔경영연구 Vol.2 No.1

        This is the basic study for service the traditional military arts site in Gyeongju. We've compared Golgulsa(骨堀寺) in Korea with Shaolinsi(少林寺) in China. Shaolinsi is located at Songshan(嵩山), which is one of the five sacred mountains in China. Therefore, it has plenty of cultural properties, which has much values as various resources for sightseeing such as beautiful scenery, miliary arts, history, and religion. Golgulsa has very similar cultural and historical background with Shaolinsi. And its peculiar practicing form Sunmudo(禪武道) interested in by many foreign lover of military arts. The transportational and geographical condition of Golgulsa is better than that of Shaolinsi. They can be so easily connected with the traffic network such as airplane, road, railroad that they can be utilized as resources of sightseeing. Therefore, if we develop the Taekwondo(跆拳道) park area connected with Sunmudo, which is our traditional and Buddhist military arts, as the articles of tourist. It will be much contributed on the development of Gyeongju tourist.

      • Al과 Cu의 마찰용접시 접합부의 기계적 성질

        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.

      • 담낭종양에서 CD24의 역할

        임성철,이용,김동출,강길,변익건,박정희,최석민 朝鮮大學校 附設 醫學硏究所 2004 The Medical Journal of Chosun University Vol.29 No.2

        CD24 is a small heavily glycosylated glycosylphosphatidylinosito-linked cell surface protein, which is expressed in hematologic malignancies as well as in a large variety of solid tumors, It appears to function as a ligand of PUselectin, an adhesion molecule that is present in activated platelets and endothelial cells. The authors aimed to evaluate CD24 protein expression in adenoma and adenocarcinoma of gallbladder to correlate to clinicopathologic data. The staining- was evaluated as stainability (negative, weak-, moderate-, strong-positive) and staining' patterns (membranous vs. intracytoplasmic) for statistical analysis. A highly significant association of cytoplasmic CD24 expression with adenocarcinoma compared to the adenoma of gallbladder was demonstrated. The present study demonstrates that CD24 was abundantly expressed on adenocarcinoma rather than on adenoma, but it was not statistically significant, Interrelation between the stainability or intracytoplasmic staining of CD24 and lymph node metastasis was not statistically significant. The authors conclude that CD24 is involved in tumorigenesis of gallbladder mucosa and intracytoplasmic expression of CD24 is an important molecular marker for malignant transformation.

      • A2024와 SM45C 마찰용접의 열전달 해석

        이상윤,고준빈,명태식,김기길,강형모 大田産業大學校 2001 한밭대학교 논문집 Vol.18 No.-

        The heat transfer mechanism initiating the friction welding is examined and a transient three dimensional heat conduction model for the welding of two dissimilar cylindrical metal bars is investigated. The cylindrical metal bars are made of materials made of A2024 and SM45C. Numerical simulations of heat flow are performed using the finite volume method. Respectively, Commercial FLUENT code is used in the heat flow simulation and maximum temperature and distribution of temperature are calculated. Temperature of friction welded joining face is compared with the temperature distribution measured by experiment and numerical simulation. The maximum temperature of friction welded joining face is lower than melting point of A2024-T6 aluminum alloy using insert metal. The temperature distribution of friction welded joining face with insert metal is more uniform than that of without insert metal

      • Pb의 노출에 따른 넙치, Paralichthys olivaceus, 치어의 생존, 성장 및 산소소비율의 변화

        김성길,김재원,장석우,김상규,강주찬 한국어병학회 2002 한국어병학회지 Vol.15 No.3

        Experiments were carried out to investigate the effects of lead exposure on survival, growth and oxygen consumption of juvenile oliver flounder, Paralichthys olivaceus. Survival rate of the oliver flounder was significantly affected above 150㎍/L. Growth of the olive flounder exposed to ≥ 150 ㎍/L of lead concentration was significantly lower than that of fish reared in normal condition. Metabolic rate of fish exposed to lead ≥ 80 ㎍/L concentration was significantly reduced with increasing lead concentration than that in normal condition. This study revealed that high lead concentration (≥ 80 ㎍/L) reduced growth and metabolic rates of juvenile olive flounder suggesting potential influence of lead on the natural mortality of olive flounder in the coastal areas.

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