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이유신,남태중 대한피부과학회 1979 大韓皮膚科學會誌 Vol.17 No.5
Traditionally the mast cell has been known to be a cell component dwells in connective tissue. But occasional epithelial mast cells were presented both in light microscopic and electron microscopic examinations. This study was undertaken to evaluate the presence of mast cell in epidermis of diseased skin. A total of 93 biopsy specimens obtained from the skin lesions of patients with various dermatological conditions were examined with light microscope after toluidine blue stain. The results are as follows: 1. Mast cells were shown in the epidermis of 2 patients with chronic eczema and one patient with pustular psotiasis. 2. Most of the epidermal mast cells were located in or nearby the basal cell layer. 3. Epidermal mast cells have an oval or round nucleus and variable amounts of granules in the cytoplasm. Some of the cells have a halo-like clear zone around them.
소형급 수직축 풍력발전의 로터 블레이드 유동해석에 관한 연구
이유신,박제웅 조선대학교 공학기술연구원 2019 공학기술논문지 Vol.12 No.2
This study is to examine the structural stability of 200W gyromill type vertical axis wind turbine system. Structural analysis by using commercial software ANSYS is performed to compute the displacement and strength ratio of filament wound composite blades. Evaluate the power performance through analysis and structural integrity through uni-directional FSI analysis in structure design of wind turbine blade. The results of CFD analysis show that the wind turbine reveals an enough structural safety. The maximum structural displacement occurs at trailing edge of blade and the maximum stress occurs at the strut.
장애인의 경제적 배경이 여가유형과 여가만족도에 미치는 영향
이유신 한국사회학회 2013 한국사회학회 사회학대회 논문집 Vol.2013 No.12
본 연구는 장애인의 경제적 배경과 여가 유형이 여가만족도에 미치는 영향을 탐색적으로 살펴본다. 구체적으로 1) 장애 외적요인(경제적배경)은 여가만족도에 어떠한 영향이 있는지, 2) 장애 요인(장애등급, 장애유형)은 여가만족도에 어떠한 영향이 있는지, 3)이와 같은 영향은 여가유형에 따라 어떻게 달라지는지 살펴보았다. 이를 위해 ?2008 장애인고용실태조사? 자료를 사용하여 여가만족도를 종속변수로 회귀분석을 실시하였다. 연구의 결과 사회경제적 배경과 장애 등급에 따라 여가의 유형은 달라지는 것으로 나타났다. 또한, 사회경제적 배경과 장애 등급은 모두 여가만족도에 유의미한 정의 영향을 미치는 것으로 나타났다. 여가유형 역시 어떠한 여가를 향유하느냐에 따라 여가만족도는 달라진다는 결과를 도출할 수 있었다. 이와 같은 논의를 바탕으로 학문적, 실천적 함의를 논의하였다.
이유신,유희준,임창운 대한피부과학회 1981 大韓皮膚科學會誌 Vol.19 No.4
Eosinophilic leukemia is a rare variant of granulocytic leukemia. It has distinct clinical features to involve central nervous system, heart, lung and skin more frequently than other leukemia and laboratory findings to reveal persistent eosinophilia with immature tendency, leukocytosis, anernia, thrombocytopenia and usually negative philadelphia chromosome in cytogenetic study. We describe a 33 year-old male patient who has suffered from generalizid weakness exertional dyspnea and has had well defined, hen eggs ized, oval shaped and non-in-durated ulcerative lesions on the right thigh since about 4 months prior to admission. The laboratory findings were persistent leukocytosis, eosinophilia and immature tendency in peripheral blood, nearly 100% cellularity and eosinophilic tendency (70%) in bone marrow aspiration and biopsy, and negative philadelphia chromosome in cytogenetic study. A biopsy specimen from ulcer margin showed relatively intact epidermis and heavy cellular infiltration composed of eosinophilic cytoplasm, dark and indented nucleus in entire dermis. Normal appearing skin also revealed same cellular infiltration in dermis with perivascular and periadnexal pattern.