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      • SCOPUSKCI등재

        정상면역을 가진 성인에서 발생한 식도 방선균증

        김현수 ( Hyun Soo Kim ),천종운 ( Jong Woon Cheon ),김민수 ( Min Su Kim ),정창길 ( Chang Kil Jung ),김경록 ( Kyung Rok Kim ),최재원 ( Jae Won Choi ),강동우 ( Dong Woo Kang ),김선영 ( Sun Young Kim ) 대한소화기학회 2013 대한소화기학회지 Vol.61 No.2

        Hyun Soo Kim, Jong Woon Cheon, Min Su Kim, Chang Kil Jung, Kyung Rok Kim, Jae Won Choi, Dong Woo Kang and Sun Young Kim1 Departments of Internal Medicine and Pathology1, DongKang Medical Center, Ulsan, Korea Actinomycosis is a chronic suppurative disease and caused by Actinomycosis species, principally Actinomyces israelii, which are part of the normal inhabitant on the mucous membrane of the oropharynx, gastrointestinal tract, and urogenital tract. It usually affects cervicofacial, thoracic and abdominal tissue. Cervicofacial type has the highest percentage of occurrence with 50%. Actinomycosis frequently occurs following dental extraction, jaw surgery, chronic infection or poor oral hygiene. It may also be considered as an opportunistic infection in immunocompromised patients such as malignancy, human immunodeficiency virus infection, diabetes mellitus, steroid usage or alcoholism. But, actinomycosis rarely occurs in adults with normal immunity and rare in the esophagus. We report an unusual case of esophageal actinomycosis which was developed in a patient with normal immunity and improved by therapy with intravenous penicillin G followed oral amoxicillin, and we also reviewed the associated literature.

      • KCI등재

        강변여과에서 파일럿규모 수평집수관의 수두분포 연구

        정재민(Jae Min Jeong),박재영(Jae Young Park),이종진(Jong Jin Lee),김용운(Yong Woon Kim),김승현(Seung Hyun Kim) 大韓環境工學會 2013 대한환경공학회지 Vol.35 No.5

        강변여과용 수평집수관을 모사하는 파일럿 규모의 모래통 실험을 수행하였으며, 다양한 출구유속에 대한 수평집수관에서의 수두분포를 구하였다. Kim24)이 수행한 실험실 규모의 수평집수관에서의 손실수두에 Kim25)이 개발한 이론 즉, 작은 규모의 수평집수관에서의 손실수두로부터 큰 집수관의 손실수두를 계산하는 방법을 적용하여 본 연구의 관측치와 비교함으로써 Kim25)의 이론이 타당함을 알 수 있었다. 또한, 이들의 이론을 적용하여 본 연구에서의 관측치로부터 실규모 집수관에서의 수두분포를 구하는 방안을 예를 들어 설명함으로써 강변여과의 수평집수관 설계방법을 제시하였다. A pilot-scale sand-box experiment simulating a lateral of collector well used in riverbank filtration was performed, and hydraulic head distributions along the lateral were measured according to the various drawdowns at the well. The results of this experiment were compared to the predicted values obtained using a theory previously developed by Kim25) in order for its validation. This theory predicts the head loss in a large-scale lateral given the loss in a small-scale one, and to have actual values for comparison, the results from a lab-scale experiment previously performed by Kim24) were employed. Comparing the experimental values to the extrapolated value indeed confirmed the validity of the theory. A procedure to determine the hydraulic head distribution of a practical-scale lateral was also presented applying the theory to the experimental result of this study in an effort to show the process of lateral design for riverbank filtration.

      • KCI등재

        건물내장재(석고보드,합판)의 화재성능평가

        김충환,김종훈,김운형,하동명,이수경 한국화재소방학회 2001 한국화재소방학회논문지 Vol.15 No.3

        본 연구는 국내와 외국의 건물 내장재 화재성능평가방법을 고찰하고 국내에는 도입되지 않은 실대 화재 실험인 Room Corner Test를 국내 내장재중 석고보드와 합판을 대상으로 그 적용성을 위한 실험을 진행하였다. 현재 국내 내장재의 평가규정은 Bench-Scale Test에 의존하고 있으나, 미국, 일본 유럽등에서는 Room Corner Test를 적용한 실질적인 재료의 화재성능평가를 시행하고 있다. 실험 결과, NFPA 265에 의한 석고보드 및 ISO 9705에 의한 합판의 성능은 양호한 것으로 판단되었다. 현재 국내 내장재에 적용되는 등급분류의 평가방법은 재료의 실제 화재성능 평가에 한계가 있으므로 향후 Room Corner Test의 적용과 더불어 Bench-Scale Test 결과를 토대로 화재성능을 예측하는 화재모델을 이용하는 평가 방법의 도입이 필요하다. The fire performance evaluation methods in Korea and overseas for interior finish materials were analysed and tested with gypsum board and plywood by using room corner test not adopted by domestic code until now. The results of gypsum board (thickness: 8 mm) and plywood (thickness: 4 mm) applying NFPA 265 and ISO 9705 test respectively are satisfied the assessment criteria. To assess a actual fire performance and classify fore hazard levels for interior finish materials, room-corner test and flame spread models should be adopted in building code and fire code to overcome limitations of current bench-scale test method. Keywords : Fire performance evaluation, Room corner test, Gypsum board, Plywood

      • SCOPUSKCI등재
      • KCI등재

        치아종 제거후 시행한 자가치아이식술

        김종운,김수관,김수흥,정태영 대한악안면성형재건외과학회 2001 Maxillofacial Plastic Reconstructive Surgery Vol.23 No.3

        We report a case in which a right mandibular incisor was impacted beneath an odontoma in the anterior mandible. An odontoma at the symphyseal region was removed under general anesthesia, and bone was grafted. Tooth #41, which was beneath the lesion, was extracted and transplanted to its original site. It was splinted with resin for 2 weeks and was checked at intervals during that time. After 4 months, it was filled endodontically with calcium hydroxide.

      • 2,4,6-Collidinium Dichromate에 의한 알코올의 산화 특성 연구

        김선일,한종수,나재운 조선대학교 생산기술연구소 1991 生産技術硏究 Vol.13 No.1

        2, 4, 6-Collidinium dichromate(CDC) is more, stable. nonhygroscopic, and milder than other chromium(VI)oxidants. The new oxidant was characterized via rate of oxidation. CDC with pyridinium P-toluenesulfonate(PPTS) in dichloromethane was effective in oxidation of allylic, benzylic, and secondary alcohols to the corresponding carbonyl compounds at room temperature. while CDC alone did not oxidize above alcohols. Oxidation of ally lie and benzylic alcohols progressed more repididly than that of secondary alcohols. When molecular sieve(MS)was added to the CDC-PPTS system, rate of oxidation and yields increased. Saturated aliphatic primary alcohols were decomposed in two system, CDC-PPTS and CDC-PPTS system added MS. The oxidation selectivity of CDC-PPTS system was increased about 1.75 times than that of PDC-PPTS system.

      • 40X40 픽셀 어레이 CMOS 실리콘 망막칩의 설계 및 제조

        김종문,김호운,신장규,히로오 요네즈 경북대학교 센서기술연구소 1998 센서技術學術大會論文集 Vol.9 No.1

        In this research, we have designed and fabricated a 40X40 pixel array retina chip which performs edge extraction by using CMOS standard process. The functions of photoreceptors, horizontal cells and bipolar cells have been implemented with semiconductor devices and circuits. In previous retina chips, spatial smoothing of input image has been implemented by resistive networks, which occupy a large chip area with a reduced area for effective photosensing due to a large number of required metal wires for interconnection. In this research, we have fabricated a retina chip which simplifies the wiring between pixels by using distributed-MOSFETs.

      • Pseudo-Gitelman씨 증후군 1예

        김성렬,조영일,이해운,이정연,안해련,송종오,명승운 건국대학교 의과학연구소 2002 건국의과학학술지 Vol.12 No.-

        Gitelman's syndrome is a rare disorder with a characteristic set of metabolic abnormalities. These include hypokalemia, metabolic alkalosis, hypocalciuria and hypomagnesemia. The clinical manifestations of Gitelman's syndrome are very similar with those of Bartter's syndrome and diuretic abuse. Gitelman' syndrome and Bartter's syndrome can be distinguished by renal clearance study after administration of furosemide and thiazide, since the primary defect in each of these disorders is an impairment in sodium reabsorption in the distal tubule and loop of Henle, respectively. Pseudo-Bartter's syndrome due to diuretic abuse can be distinguished by history of diuretic use and a positive urine assay for diuretics. We have experienced a case of pseudo-Gitelman's syndrome in 56-year old woman with unexplained hypokalemic metabolic alkalosis, hypocalciuria, and hypomagnesemia. The patient denied ingestion of diuretic medication. The results of renal clearance study using furosemide and thiazide in this case suggested the presence of the primary defect of sodium reabsorption in the distal tubule rather than in the loop of Henle. These clinical and laboratory findings were consistent with those of Gitelman's syndrome. But, this case was confirmed as pseudo-Gitelman's syndrome since diuretics were detected by a urine assay for diuretics. Furosemide and hydrochlorothiazide were contained in the pill that she had been taking due to constipation. Herein, we report the case of pseudo-Gitelman's syndrome by abuse of cathartics containig diuretics presented as Gitelman's syndrome in renal clearance study.

      • 진주8경 사진에 나타난 경관자원에 관한 연구 : 제1회 진주8경 제정기념 사진공모전에 출품된 사진을 중심으로

        김종하,황용운 대한건축학회 2003 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.23 No.1

        This study focused on the points of viewing scenic resources in order to see local scenic resources in new light in developing the scene improvement plan. For the purpose of this study, the methods of viewing scenic resources and their contents were analyzed from the pictures displayed on the picture contest organized by Jinju City to publicize its newly designated Palkyong. 1) In terms of scenic resources used in the Palkyo˘ng, the pictures of the old Palkyo˘ng included many abstract contents as well as concrete elements, whereas those of the new Palkyo˘ng were mostly based on concrete and clear objects. 2) In terms of viewing types, both horizontal viewing type and overlooking viewing type were mostly used. It could be found, therefore, that Jinju's Palkyo˘ng are mostly viewed horizontally or downward from the viewing points. 3) In addition to seasonal factors, these characteristics of viewing play an important role in making scenic resources become beauty spots. This means that viewing angle and seasonal factors can have a significant influence on the scenic value of beauty spots. 4) Scenic resources were also analyzed in terms of viewing distances in order to determine structural elements of the Palkyo˘ng. It have been recognized that for Jinju Castle and Chokseoknu Pavilion, the downtown area is an obstructive or inharmonic element.

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