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김재중,김철현,김영의 동아대학교 건설기술연구소 1996 硏究報告 Vol.20 No.1
The concept of wave spectrum which represents the random characteristics of waves is introduced and analyzed in this study. Also time series analyses are done by using numerical model that computes the random wave transformation in the nearshore region. The characteristics of shoaling and refraction of random waves which is incident on the straight shorelines with parellel bottom contours are studied using the stecturm analysis. JONSWAP spectum in the deep water depth was converted into TMA specturn in the shallow water detph. TMA spectrum computes the spectrum of wind waves in finite water depth as a funtion of frectrum. This study way be helpful to determining the representative wave height and period for the random deseign waves of coastal structures in the shallow water.
김재홍,김한중,노영석,김영태,김중환,황규홍,이정덕,백승철,김건우,조상현,김준영,김석민,김영호,김상순,이승한,김방순,전덕규,하상근 대한화학요법학회 1992 대한화학요법학회지 Vol.10 No.2
The prevalence of PPNG among pretreated gonorrhoeae cases isolates at the VD clinic of Choong-ku Public Health Center in Seoul has been studied and reported annually since 1981. In 1990, 162 strains of N.gonorrhoeae were isolated, among which 80 were PPNG. The prevalence of PPNG in Seoul showed increased tendency till 1987, thereafter, it has been stationary.
수종의 항생제에 대한 임질후요도염의 발생빈도에 관한 고찰
김재홍,김한중,김영태 한양대학교 의과대학 1991 한양의대 학술지 Vol.11 No.1
Several gonococcal therapeutic regimens in Korea were compared in respect to te incidence of postgonococcal urethritis(PGU). In ofloxacin and norfloxacin, which belong to fluoroquinolone, the incidence of PGU were respectively 32.6% and 6.4%. But the PGU rates of other drugs (talampicillin, fortified procaine penicillin G, kanamycin, spectinomycin, clavulanate-potentiated amoxycillin, ceftriaxone) ranged from 43.3% to 75.0%. All these therapeutic regimens shpwed the highly curable results for gonococcal urethritis over 95%. Then, some fluoroquinolone derivatives may be recommendable agents for gonococcal urethritis because of the relatively lower incidence of PGU in addition to the good therapeutic effectiveness for gonococcal urethritis.
프리캐스트 포스트텐션 콘크리트 넓은 보-기둥 내부 접합부의 비탄성 거동
황재환,최윤철,김영찬,김대중,임재형,권기혁,문정호,이리형 대한건축학회 2003 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.23 No.2(구조계)
The purpose of this paper is to evaluate the response of Precast Prestressed Concrete Interior Wide Beam-Column Joint subjected to cyclic lateral loading. To this end, the experimental investigation was performed with six half-scale specimens of interior connection. The design parameters are the beam to column depth ratio, and the number of tendons within column core. One of the specimens, IJH-6, is modeled for the connection at the top floor of a structure. The test results showed that the specimens sufficiently resist up to limiting drift ratio of 0.035 in accordance with the provisional standard by ACI of acceptance criteria for concrete special moment frames.
일정전압 조건하에서 Rose Bengal과 Nal로 감응 및 초감응된 광전류의 전기화학적 고찰
윤길중,김재훈 金烏工科大學校 1989 論文集 Vol.10 No.-
Rose Bengal sensitized and NaI supersenitized photocurrent on an amorphous SnO₂semiconductor was analized electrochemically under the potentiostatic condition. The results indicated that electron was injected from adsorbed and excited dye molecule into the conduction band and surface of SnO₂.
자연 교과에서 地域 地質素材의 活用에 관하여 : 지묘동 일대 암석을 중심으로 focusing on the rocks in Chimyo-dong area
金在慶,金重旭 大邱敎育大學校 科學敎育硏究所 1989 과학·수학교육연구 Vol.13 No.-
The field geologic materials which are applicable to the geology unit in science textbook are investigated in Chimyo-dong area. It is found that this area offers several unique advantages in topography and geology which are as follows. First, this area is geographically located in the suburbs of Taegu and thus is easily accessible by bus. Secondly, the principal rock units in this area are composed of conglomerate, sandstone, mudstone, shale, basalt, granite, and gneiss etc. Thirdly, many outcrops are topographically exposed along the road cut and streams crossing the rock units. These outcrops are densely spotted to narrow area of Chimyo-dong and show large three-dimensional views of tops or bottoms freshly. And finally, geological features and data of each site are applicable to the learning subjects in teacher's guidebook for the science textbook. It is suggested that Chimyo-dong area is very suitable to field trip for further understanding of the geology units in science textbook of primary school.
김중환,김재홍,김영태,소순남 대한감염학회 1988 감염 Vol.20 No.4
Secondary syphilis is a great immitator. When syphilis produce unusual skin lesions, the diagnosis is often difficult and delayed. We report a case of secondary nodular syphilis with features of cutaneous lymphoma. A 52-year-old male patient has had erythematous to brownish nodules with pruritis and generalized lymphadenopathy for about 5 weeks prior to visit to our clinc. The diagnosis was eventually made by a skin biopsy and serologic tests for syphilis. Histopathologically, numerous plasma cells around blood vessles and endothelial hyperplasia were ween in the dermis and Warthin-Starry stain shows Treponema pallidum. Serologic tests revealed that VDRL was reactive at 1:64 dilutions and TPHA was reactive.
질감특징과 BP를 이용한 문서영상의 새로운 블록추출 및 유형분류 기법
김중수,심재창 安東大學校 工業技術硏究所 1994 공업기술연구논문집 Vol.1 No.1
Document analysis can be composed of four steps such as block segmentaion, features extraction of the block, block classification, and recognition of character image. This paper introduces a new segmentation and classification techniques for image blocks in document images. Image blocks are segmented by the enhanced smoothing method and Sobel operator is used to reduce the backgroud noises. The classifiction of the segmented image blocks are carried out by BP(back propagation) with the 7 textural features obtained from SGLDM(spatial gray level dependence matrix). This method shows excellent results without the misclassification through the wide range of classification.