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서울의 Penicillinase Producing Neisseria Gonorrhoeae 발생빈도(1996)
김재홍,황동규,전재홍,김윤석,김중환,김용준,이창균,임동진,김현수,조창근,김경문,박상훈,전우형,김희성,이호정,차명수,김갑형,김형석,김석우,황지환,박병순,권오상,이민수,송기훈,성소영,이인섭,부태성 대한화학요법학회 1999 대한화학요법학회지 Vol.17 No.2
Background : In recent years, gonorrhea has been panedemic and remains one of the most commom STDs in the world, especially in developing countries. Objective & Methods: For the detection of a more effective therapeutic regimen and assessing the prevalence of PPNG, we have been trying to study the patients who have visited the VD Clinic of Choong-Ku Public Health Center in Seoul since 1980 by means of the chromogenic cephalosporin method. Results: In 1996, 139 strains of N. gonorrhoeae were isolated, among which 53(39.0%) were PPNG. Conclusion: Our results suggests that after a peak of 74.3% in 1993, the prevalence of PPNG in Seoul is gradually declining.
만성두통 환자의 성격유형 A 행태, 스트레스, 우울 및 두통영향정도의 관계 연구
차남현,임사비나,정인태,김수영,안경애,김건식,이재동,이상훈,최도영,이윤호,이두익 EAST-WEST MEDICAL RESEARCH INSTITUTE KYUNG HEE UNI 2005 東西醫學硏究所 論文集 Vol.2005 No.-
To examine an estimate factor and grasp the relation of difference for Ype A Behavior Pattern(TABP), Perceived Stress Questionnaire. Depression and HIT-6 in the Chronic headache client. Method: Data collected by self-reported questionnaires from 38 client in S city who were selected by criteria of IHS, from the 19^(th) of October to 10^(th) of December, 2004. Result: 1) Differences between biographical data by TABP was significant by SaSang constitutions, by Stress was significantly influenced by age, and by Depression were significantly influenced health status and SaSang constitutions. 2) Correlations Coefficients among Study Variables were Stress and Depression(r=.494, p=.002) and Depression and HIT-6(r=.432, p=.010). 3) In regression analysis, HIT-6 were significantly influenced by Depression and Type A Behavior Pattern(TABP). These variables explained 38% and 34% respectively. Conclusion: The result suggest that chronic headache management with psychological aspect, as well as physical aspect should be a focus to enhance the quality of life.
차두송,최병구,고성대,오재헌 江原大學校 森林科學硏究所 2004 Journal of Forest Science Vol.20 No.-
본 연구는 산악지형에 적합한 임도노선을 개발하기 위한 기초 자료를 제공하기 위하여, 강원도 지역에 있어서 물리적으로 안정된 임도를 대상으로 지역별, 산지경사별, 토성별, 개설위치별에 따른 사면경사, 사명길이, 노폭 등의 임도구조요인의 변화에 대하여 분석하였다. 지역별 임도구조는 성토길이만 유의적인 차이가 없는 것으로 나타났으며, 그 이외의 지역은 각각 차이를 보이고 있었다. 산지경사별 임도구조는 노폭, 종단물매, 성토길이, 절토길이는 유의적인 차이가 보이지 않았으며, 성토경사는 30°이하·30~35°와 40°이상에서, 절토경사는 모든 지역에서 차이를 나타내고 있었다. 또한 토성별 임도구조는 노폭, 종단물매, 성토길이는 유의적인 차이가 없었으며, 그 이외의 요인은 서로 차이가 있는 것으로 나타났다. 개설위치에 따른 임도구조 변화는 절토경사는 유의적인 차이가 없는 것으로, 그 이외의 요인은 차이가 있는 것으로 나타났다. To provide the basic informations related to forest road construction of mountainous terrain, we analyzed changes of the road structure factors such as banking and cutting slope gradients, slope length, road width by the environmental factors such as locations, slope gradients, soil types, road position on physically stabilized forest roads constructed in Gangwon-do. All factors related to the road structures by locations were significant except for banking slope length. Road width, longitudinal gradients, banking and cutting slope length by slope gradients were not significantly different and banking slope gradients in the range less than 30°, from 30° to 35° and more than 40° and cutting slope gradients were significantly different for all areas. Road width, longitudinal gradients, banking slope length by soil types were not significantly different and others were significantly different. All factors related to the road structures by road position were significant except for cutting slope gradients.
한국해안으로부터 Purple, Non-Sulfur Photosynthetic Bacterium, Rhodobacter sp. EGH-24의 분리 및 특성
차미선,김기한,조순자,이나은,이정은,이재동,이상준,박재림 한국환경과학회 2003 한국환경과학회지 Vol.12 No.12
A species of facultative photo-organotrophic, purple, non-sulfur bacterium was isolated from the 47 point at west and south coast of Korea in September 2001. Separated 13 samples of changes with red color under 28~32 ℃, 3000 lux, anaerobe conditions for 7 days cultivated in basal medium. For pure isolation from 13 samples, we used agar-shake tube method (0.4 % agar) and separated 5 strains through 13-repetition test. EGH-24 and EGH-30 was identified as the same strain through the RAPD(Random Amplified Polymorphic DNA)-PCR of strain EGH-9, EGH-13, EGH-23, EGH-24, EGH-30. Four isolates cultivated in synthesis wastewater for wastewater biodegradation test. EGH-24 was selected with efficient wastwater treating strain. Based on the results obtained from morphology, nutrient requirements, major bacteriochlorophyll content, 16S-rDNA phylogenetic analysis, EGH-24 strain may be identified as a new strain of the genus Rhodobacter and named Rhodobacter sp. EGH-24.
간흡충 重複感染이 실험동물의 膽管에 미치는 병리조직학적 변화에 관한 연구
車聖昊,李在賢,林漢鍾 고려대학교 의과대학 1991 고려대 의대 잡지 Vol.28 No.3
The study was carried out to investigate the distingate the changes of the bile duct of the rats. the mice and the rabbits by the superinfection of Clonorchis sinensis. Experimental animals were devided into two larged groups. the single-infection groups and the superinfection groups. In single-infection groups. 40 rats and 40 mice were infected with 10 (Rt-Ⅰ group. Mo-Ⅰ group) and 50 (Rt-Ⅱ. Mo-Ⅱ) metacercaria to each animal respectively and 30 rabbits with 100 (Rb-Ⅰ) and 500 (Rb-Ⅱ) metacercaria. For the superinfection groups. the other 60 rats and 60 mice each were infected twice (Rt-Ⅲ. Mo-Ⅲ). three times (Rt-Ⅳ. Mo-Ⅳ), four times (Rt-Ⅴ. Mo-Ⅴ) and five times (Rt-Ⅵ, Mo-Ⅵ) in every 2 weeks with 10 metacercaria to each rat and mouse respectively and the other 20 rabbits each were given three times (Rb.Ⅲ) or five times (Rb-Ⅳ) in every 2 weeks with 100 metacercaria. In order to observe the histopathological changes of the bile ducts in these animals. 2 to 3 animals of each group were sacrificed in every 2 weeks. The result were as follows. In rats superinfected with C. sinensis, a lots of eosinophils was infiltrated around the bile duct after 2 to 4 weeks of each infestation of C. sinensis and after that the cells were reduced and replaced by massive mononuc1ear cells forming the follicles. In addition to these. Russell bodies the alteration of plasma cell were increased around the bile duct as the superinfection of C. sinensis. In the bile ducts of mice superinfected with C. sinensis. there were no any difference with those of the single-infected mice however the histopathological changes of the bile duct showed particular findings in comparison to the other animals. The epithelial cells of the bile duct were changed to secretary cells and these cells secreted the hyalinized materials into the lumen of vile duct (hyaline change). The inflammatory cells were infiltrated in the parenchyma of the liver and formed the microabscess. In rabbits, the preiductal fibrosis was progressive as the period of the infection and/or the superinfection of C. sinensis.
차준용,이정민,모상영,이재달,배기서,홍영기 忠南大學校 産業技術硏究所 1996 산업기술연구논문집 Vol.11 No.2
Fiber-reinforced composite materials are used in a wide variety of applications in the advanced field of industries such as electric clutch, motor, car, space and aviation etc. It is well known that the brake lining made of fiber-reinforced composites show excellent friction and wear properties compared to the conventional asbestos brakes and also are known to have high absorption energy and excellent high temperature properties in braking. In order to endow high friction and wear stability to the commercial brake lining, the waste fiber such as cotton, PAN, PET, nylon,kevlar, glass and it's binary mixture fibers were used the fiber reinforcements. The fiber/phenolic resin system has been carried out by preform molding method. The friction tester was especially designed and prepared for evaluation of frictional properties such as friction coefficient and stability. The physical properties of fiber reinforced composites were investigated in terms of the 3-point bending strength, the properties of friction, and morphology. The results obtained from the work are as follows ; 1. The friction properties of the cotton fiber reinforced composites were similar to those of the commercial brake linings, but in the cases of reinforcement of kevlar, glass. we can improve those properties, 2. The proper amount of organic and inorganic fiber mixtures can improve the properties of friction and the mechanical properties, 3. It is more desirable to manufacture hybrid fiber reinforced composites because single cotton or synthetic fiber reinforced composites aren't improved frictional properties, and 4. On evaluating frictional properties of waste fiber reinforced composites, frictional properties of waste fiber reinforced composites are superior to commercial disc lining. Therefore we can confirm practical possibility of waste fiber reinforced disc lining.