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김명기,홍창희,최부귀,Kim, Myeong-Gi,Hong, Chang-Hui,Choe, Bu-Gwi 대한전자공학회 1978 전자공학회지 Vol.15 No.3
Cu2-xS-CdS PN 접합 태양전류의 효률 향상을 위하여 직렬저항을 감소시키는 방법을 고려하였다. Cu2-xS의 박막을 만들 때 도전율이 제일 큰 것은 기판온도 250℃에서 얻어졌다. CdS 박막도 기판의 온도가 250℃ 이상 300℃ 정도이고 증발원의 온도가 800∼850℃ 정도에서 만든 것이 도전율이 제일 컸으며 광도전특성도 좋다는 것을 확인하였다. 따라서 기판온도를 250℃로 하고 증발원 온도를 800∼850℃정도에서 증착된 박막형 CdS 태양전지를 만들었고 효율을 측정하였더니 6% 정도였다. In order to improve the efficiency of Cu2-xS-CdS PN junction type solar cell, a method of reducing the series resiatance is considered. In the fabrication of the thin film of Cu2-xS, what has the largest value of conductivity is fabricated at 250 $^{\circ}C$. The thin film of CdS which has beer fabricated at the temperature 250-30$0^{\circ}C$ of the substrate and 800-85$0^{\circ}C$ of evaporating material has the largest value of conductivity and also fairly good photoelectric characteristics. Therefore, the evaporated thin aim type CdS solar cell has been fabricated at the temperature 25$0^{\circ}C$ of the substrate and 800-85$0^{\circ}C$ of the evaporating material, and its efficiency is measured to he 6%.
단층촬영법에 의한 한국 성인의 성별, 연령 그리고 과체중 분류에 따른 복부부위의 체지방 분포의 차이
김명기(Kim Myeong Gi) 한국사회체육학회 2003 한국사회체육학회지 Vol.20 No.2
This study was performed to compared of subcutaneous and visceral fat distribution according to sex, age and overweight. The subjects were composed of 234(male:114, female:120) Korean adult men and women who were 20-81 years old. Abdominal fat depots were evaluated by computed tomography at one abdominal level. The population sample was categorized according to sex, age( age intervals : 20-39, 40-59, 60 more yr) and body mass index(BMI≤26 and BMI〉26.1; weight/hight2). The results were as follows: 1. Total fat and visceral fat area at abdominal level increased with aging in both male and female group. However Subcutaneous fat area decreased during aging in male group, and increased in female group. 2. 20-39 yr age group had higher subcutaneous fat area than the other groups, However Over the age of 60 had higher visceral fat area than the other groups in both male and female group. 3. The rate of S:V at abdominal level decreased during aging in both male and female. 4. Visceral fat area at abdominal level increased with aging in both male and female group by BMI<26.1, However Subcutaneous fat area was no difference among three group in female, and increased during aging in male. 5. Subcutaneous fat and visceral fat area at abdominal level increased during aging in both male and female group by BMI≥26.