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오존에 의한 방수ㆍ방식재 표면의 품질변화에 대한 성능평가 연구
박연진(Park, Yeun-Jin),구경모(Koo, Kyung-Mo),김규용(Kim, Gyu-Yong),오상근(Oh, Sang-Keun),서현재(Seo, Hyun-Jae),미야우치 히로유키(Miyauchi Hiroyuki) 대한건축학회 2012 大韓建築學會論文集 : 構造系 Vol.28 No.3
This study, the introduction of ozone-treated water inside the concrete structure for anti-corrosive material in contact with ozone, in part or in such a possibility should be considered material for corrosion resistance. By ozone degradation of anti-corrosive material Preference greatly decolorization and melting occurs, and the process that occurs in water suggesting that threats these, water safety, and domestic anti ozone material not associated with KS specifications more difficult to manage. For this reason, structures with ozone resistance must be provided, at the national level of material development, performance evaluation of test methods have been emerging as enacted an urgent task. Through these four test methods sensual, qualitative and quantitative degree of degradation caused by ozone can be measured. Measurement of color difference, as the case of Schmidt hammer and is non-destructive test methods are found that can be utilized. Based on the above-mentioned information, chrominance and find a correlation between surface degradation study is further deemed necessary. In this study, four kinds of test methods utilizing ozone-resistant materials, assessment of performance is expected to be utilized as a method.
박병도 ( Byung Do Park ),황진석 ( Jin Seok Hwang ),정후곤 ( Who Kon Jeung ),허정수 ( Jeong Soo Heo ),정봉진 ( Bong Jin Jeung ),이기수 ( Kee Soo Lee ),박연진 ( Yeun Jin Park ),주경란 ( Kyong Ran Zoo ) 대한산부인과학회 2001 Obstetrics & Gynecology Science Vol.44 No.7
Mature cystic teratoma of the ovary is the most common ovarian germ cell neoplasm comprising (10-20%) of all ovarian tumors and almost always benign, but it can be developed into malignancy rarely. We have recently experienced one case of squamous cell carcinoma arising in mature cystic teratoma of the right ovary in 67-year-old postmenopausal woman. The ovarian tumor was measured 17 X 12.5 X 8 cm in size and had not intact capsule, and the peritoneal washing cytology was positive. The survival rate with cancerous dernoid is very poor. Neither of two forms of postoperative treatment (radiotherapy and chemotherapy) has any significant influence on survival. We report above case with a brief review of literature.
바탕모르타르 균열부의 탄산화에 미치는 표면마감재의 $CO_2$ 투과성능의 영향
미야우치 히로유키,구경모,최경철,김규용,박연진,신경수,Hiroyuki, Miyauchi,Koo, Kyung-Mo,Choe, Gyeong-Choel,Kim, Gyu-Yong,Park, Yeun-Jin,Shin, Kyoung-Su 대한건축학회 2012 대한건축학회논문집 Vol.28 No.3
The purpose of this study is to investigate the carbonation resistance of building coating materials applied to the mortar or concrete substrate including their cracked zone. The testing parameters for this experiment were the three crack widths in the substrate including non-crack, and two types of the coating materials. As results, the coating materials have good carbonation resistance against $CO_2$ penetration into mortar substrate even in cracked zone of substrate. Furthermore, the carbonation resistance of coating material was calculated by using their $CO_2$ permeability coefficient and discussed from viewpoint of durability design.
바탕모르타르 균열부의 탄산화에 미치는 표면마감재의 CO₂ 투과성능의 영향
미야우치 히로유키(Miyauchi Hiroyuki),구경모(Koo, Kyung-Mo),최경철(Choe, Gyeong-Choel),김규용(Kim, Gyu-Yong),박연진(Park, Yeun-Jin),신경수(Shin, Kyoung-Su) 대한건축학회 2012 大韓建築學會論文集 : 構造系 Vol.28 No.3
The purpose of this study is to investigate the carbonation resistance of building coating materials applied to the mortar or concrete substrate including their cracked zone. The testing parameters for this experiment were the three crack widths in the substrate including non-crack, and two types of the coating materials. As results, the coating materials have good carbonation resistance against CO2 penetration into mortar substrate even in cracked zone of substrate. Furthermore, the carbonation resistance of coating material was calculated by using their CO2 permeability coefficient and discussed from viewpoint of durability design.
박병도,황진석,정후곤,허정수,정봉진,이기수,박연진,주경란 대한산부인과학회 2001 Obstetrics & Gynecology Science Vol.44 No.9
Primary ovarian pregnancy is a rare form of ectopic pregnancy, and the prevalence rate is reported to be between 1/7,000 and 1/40,000 pregnancies. Ovarian pegnancy occurs within the ovary and on the corpus luteum, usually with rupture and massive bleeding. It is frequently misdiagnosed as a ruptured corpus luteum and the differentiation may be made only by micoroscopic examination of a tissue specimen. We have experienced four cases of ovarian pegnancy, which are presented with a brief review in the literature.