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도심지 복합시설 BIPV 모듈의 특성을 고려한 태양광발전시스템 어레이설계 실증 연구
이안기(Ahn-Kee Lee),김재철(Jae-Chul Kim),최옥만(Og-man Choi),강병욱(Byoung-Wook Kang) 대한전기학회 2018 전기학회논문지 Vol.67 No.3
The BIPV system must be designed to reflect the architectural and electrical characteristics simultaneously because it replaces the role of the exterior material of the building, which makes it difficult to design the BIPV. The thin film type BIPV module has an electrical characteristic that the open voltage is higher and the short circuit current is lower than that of the crystalline type BIPV module. However, there are many differences in the design of the array, the collector distribution board, and the inverter in the system configuration since the crystal type BIPV module has the opposite feature. In this study, a crystalline BIPV module and a thinfilm BIPV module were applied to actual buildings. As a result, the elements to be considered in designing BIPV system were derived, and the architectural and electrical characteristics were mutually analyzed.
X - 선으로 진단된 Antral Gastritis 의 새로운 위내시경학적 검토
정규원,정환국,선희식,노재철,이안기,김선무 대한소화기학회 1977 대한소화기학회지 Vol.9 No.1
The diagncsis of amtral gastritis was rendered if UGI series demonstrated any of the three radiologic patterns characterized by a persistent flattened or narrowed antrum, abnormal mucosal crenulation and abnormal peristaisis manifested as antral spasm. This study was conducted to pursue the relationship between radiological diagnosis, endoscopical and pathological findings on 204 cases of antral gastritis based on radioglogical diagnosis. In 73 of 204 cases, endoscopic biopsy was performed and the results were as follows: 1. The sex distribution in 204 cases with antral gastritis was 11S cases in male and 86 cases in female and the sex ratio of male to female was l. 4 to l. 2. In 175(85.8%) of 204 cases, endoscopy showed only gastritis: among them, 119 cases(58.3%) showed mainly erosive gastritis, 42 cases(20.5%) ercsive and atrophic gastritis, and 14 cases, (6.9%) mainly atrophic gastritis. 3. In 29(14.2%) of 204 cases, gastritis and other pathological lesions were conccmitantly found endoscopically and pathologically. There was shallow gastric ulcer in 10 cases, gastric polyp and benign gastric ulcer in each 7, gastric carcinoma in 3, and chronic duodenal ulcer in 2. 4. Pathological findings of various gastritis were almost consistent with endoscopic diagnosi, and especially atrophic gastritis was closely correlated endoscopically and pathologically. In summary, antral gastritis diagnosed radiologically showed endoscopic findings of gastritis in all cases and by endoscopic examination more accurate classification of types of various gastrit was possible. Radiological diagnosis could be corrected in 14.2% by endoscopy and approximately over 80Po cf cases pathologic findings by multiple endcscopic biopsy were consistent with endoscopic diagnosis.