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최근 9 년간 ( 1966 - 1975 ) 피부과 입원 환자의 통계적 관찰
김윤원,서정희,송준원 대한피부과학회 1976 大韓皮膚科學會誌 Vol.14 No.1
A statisticaI and comparative observations were made on 141 in-patients and 84,269 out-patients in the department of dermatology, Presbyterian Hospital, Taegu, Korea during the period from August 1, 1966 to August 31, 1975
Erythema elevatum diutinum 의 1 예
송준영,김윤원 대한피부과학회 1978 大韓皮膚科學會誌 Vol.16 No.3
A case of 40 years old female with E.E.D. is reported. The skin lesions were chare,- cterized by persistent several hard, reddish blue colored, dome and flatten shaped plaques on tbe dorsal surface of left band and left lateral malleolar area. Histopathological examination showed leukocytoclastic angiitis with neutrophils and their fragments in the walls of the small vessels and their immediate perivascular area of the dermis. Dermal infiltrate was polymorphous, with lymphocytes, and histiocytes, but the overwhelming majority were neutrophils, and the eosinophilic hya line material was noted witbin and around the vessel walIs. She was treated with D.D.S. for 3 months and favorable effect was noted. Literr-atures are briefly reviewed for discussion of clinical, histopathological findings and treatment of this disease.
송준영,김윤원 대한피부과학회 1975 大韓皮膚科學會誌 Vol.13 No.3
Trichoepithelioma is a heritable disorder of non sex linked autosomal dominant trait. A case of 31 years old male with trichoepithelioma is reported. The skin lesions are characterized by multiple waxy shiny, skin colored, firm papules scattered on the nasolabial folds, forehead and eyelids. Seven of his family, four males and three females, through three generations have similar skin lesions. Literatures are briefly reviewed for discussion of clinical and histopathological findings of this disease.
AE신호의 신경망 형상인식법에 의한 로터리 압축기의 결함 분류에 관한 연구
홍정기,이강용,이종명,황인범,김윤원 韓國非破壞檢査學會 1998 한국비파괴검사학회지 Vol.18 No.1
음향방출법을 이용하여 룸 에어컨에 사용되고 있는 로터리 압축기의 로울러와 베인의 마모결힘과 정상인 압축기, 축과 베어링의 scoring 결함과 정상인 압축기를 분류하기 위한 연구를 실사용 상태에서 수행하였다. 이를 위해 AE 신호 형상 인식법과 신경회로망 분류기를 사용하여 모두 완벽하게 분류하였다. 내부압력과 오일과 냉매는 로울러와 베인의 마모에 영향을 미친다. The specimen with the wear between a roller and a vane and a normal specimen are classified by AE signal pattern recognition method with a neural network classifier in airconditioning operation test. Also the specimen with the scoring between a shaft and a bearing and a normal specimen are classified by the same method. As the internal pressure increases, the wear between the roller and the vane increases. The different pairs of oils and refrigerants give the effect on the wear.
차창용,김윤원,황응수,정문현,오명돈,최강원 대한감염학회 1985 감염 Vol.17 No.2
The diagnostic value of ELISA for typhoid fever was tested with 43 sera from patients with enteric fever and 27 sera from patient who had no known history of enteric fever. IgG antibody was most commonly elevated (in 97.6%), followed by IgA (in 38.3%) and IgM antibody (in 65.1%). On the other hand, IgM and IgA antibody were found to be elevated in 40.7% of various infectious (notably due to M, tbc and gram negative enteric bacteria) and noninfectious conditions. On the contrary, IgG antibody was elevated only occasionally. (7.4%). IgG antibody was most sensitive and specific indicator for the S. typhi and S. paratyphi A infection.