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전성영,장진요 대한피부과학회 1977 大韓皮膚科學會誌 Vol.15 No.3
Psoriasis vulgaris is a common skin disease usually affects the traumatic joints and scalp in young adult. I reviewi 14l6 patients and the results were as follows; 1. Sex incidence was 991 in male and 425 in female(2.3: 1). 2. The peak age at onset of disease was between from 11 to 80 year of age. 3. The onset of psoriasis showed higher incidence in summer and lower in autumn. 4. Sites affected by psoriasis were most frequent in elbow joint(31.8%), 5. Koebner Phenomenon was found in 12.9% and the incubation period was 16 days on the average. 6. Family incidence was found in 198 cases(13.9%). 7. Joint pain was associated in 155 cases(10.9%), mainly in knee joint. 8. Nail involvement was in 84 cases(5.9). 9. Mucous membrane involvement was in 103 cases(7. 2% ). 10. Other skin diseases in those study were variable but the predominated in neurodermatitis, ll. A significant difference between man and woman for the medication, man was treated by specialist while the woman was medicated by pharmacist advised 12. Approximately half of the cases(56.6%) were ignorant for psoriasis. 13. A significant difference between man and woman about psychiatric problem, was observed. The man had a sought of incurability while the woman had anxiety for the life threaten.
이유신,전성영 대한피부과학회 1970 大韓皮膚科學會誌 Vol.8 No.1
Two cases of pseudoxanthoma elasticum associated with angioid streaks in both eyes were presented and the literatures were reviewed. The affected sisters were 15 and 18 years female among the five siblings. They had pin head sized yellowish maculopapular eruptions on the sides of the neck and axillae, and also visual distubance of the both eyes. They seemed to be autosomal recessive inberitance in their family background. There were no other complications.
게이트와 Glass Fiber 함유량이 사출품의 변형에 미치는 영향에 대한 연구
문성민,전성영,김성교,윤재웅 한국금형공학회 2024 한국금형공학회지 Vol.18 No.1
In this study, in order to minimize the deformation of the end-plate of plastic injection products used as automobile battery parts, we compared and studied the effect on the amount of product deformation by changing the number and position of gates and the glass fiber content of the injection raw material. To compare the amount of deformation, a molding analysis program was used, and 5 points on the main flat surface of the product were selected to compare the amount of product deformation. The amount of product deformation was compared by changing the number and location of gates to 5 types, and the amount of product deformation was compared by changing the glass fiber content of the raw material to 4 levels. The effect of improving the amount of deformation of the product was confirmed by changing the glass fiber content of the gate and raw materials, and it was confirmed that the addition of glass fiber had a significant effect on the amount of deformation of the product. Compared to products that did not contain glass fiber, the amount of deformation in products containing 30% glass fiber was reduced the most, and it was confirmed that the amount was reduced by about 80 to 90%.