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골재의 온도 변화에 따른 저발열 포틀랜드 시멘트 콘크리트의 특성
조용진,박광수,신수균,원종필,Cho, Yong-Chin,Park, Kwang-Su,Shin, Su-Gyun,Won, Jong-Pil 한국농공학회 2004 한국농공학회논문집 Vol.46 No.4
Properties of concrete using low heat portland cement is different from using ordinary portland cement and temperature of aggregate can be expected to have an important influence on its properties. In this study, experiment by setting up 5 levels (40, 30, 20, 4, $-2^{\circ}C$) by temperature of aggregate for evaluation properties of concrete using low heat portland cement was conducted. The experiments include slump test, air content test, change of slump, change of air content and compressive strength of concrete test. As the result of experiments, slump and air content was decreased by increasing temperature of aggregate. But it was not exceeding it's limit. Change of slump and air content was rapidly decrease by decreasing temperature of aggregate. At early age, compressive strength was influenced by the temperature of aggregate.
조용진,정동윤,최홍대,박종희,손병화,Cho, Yong-Jin,Jeong, Dong-Youn,Choi, Hong-Dae,Park, Jong-Hee,Son, Byeng-Wha 한국생약학회 1998 생약학회지 Vol.29 No.3
Two isoflavonoids were isolated from the flowers of Pueraria lobata (Flos puerariae) guided initially fractionation based on brine shrimp lethality assay. The structures were identified as 4',5,7-trihydroxy-6-methoxyisoflavone (tectorigenin) and 4',7-dihydroxy-6-methoxyisoflavone (glycitein), respectively, on the basis of their spectroscopic and physicochemical evidences.
조용진(Chou, Yong-Jin),박경목(Park, Kyung-Mok),박진호(Park, Jin-Ho),최원호(CHoi, Won-Ho) 충남대학교 충청문화연구소 2014 충청문화연구 Vol.13 No.-
Yu, Gwan-Sun is an important symbolic figure in the history of independent movement of South Korea. When the Independent Movement occurred on March 1st, 1919, she was seventeen years old but she was a leader of the movement in Aune in Cheonan. She was sent to the Seodaemun Prison and died for the country there in 1920. Despite her sacrifice for the country, she has received some negative recognitions because of her look, which is sometimes described as ‘not pretty’ or ‘wicked’. This negative recognitions on her come from a photography that was taken in Seodaemun prison. This photography was taken just before she got severely tortured from the Japanese colonizers. In the picture, her left face looks badly swollen. This study restores her normal face by using 3D digital technology after getting rid of her swollen part. As the result, we confirmed that Yu’s face is slender and her lips are thinner than ones in the previous picture, looking a rather normal teenager. We examined her height along with her face. According to her prison record, she is 5尺 6寸, which means 169.68cm. But the examination tells us that 6 of 6寸 was misread. It rather should be ‘0’. Therefore, Yu’s height is 5尺 0寸, which means 151.5cm. As seen above, this study tries to restore a face and height of a historic figure, Yu, Gwan-Sun because we want Yu’s achievement and sacrifice to be reevaluated and want to inform the true historical facts. This study will contribute to reconsidering Yu’s life, which has been underestimate because of her look. This restored photos can be used in school textbooks and historic museums to teach the public her sacrifice for the country properly.
Golden Hour Thrombolysis in Acute Ischemic Stroke: The Changing Pattern in South Korea
Hyunsoo Kim,김준태,Ji Sung Lee,Beom Joon Kim,Jong-Moo Park,Kyusik Kang,Soo Joo Lee,Jae Guk Kim,Jae-Kwan Cha,Dae-Hyun Kim,Tai Hwan Park,Sang-Soon Park,이경복,이준,Keun-Sik Hong,조용진,박홍균,이병철,유경호,오미선,Dong-Eog Kim 대한뇌졸중학회 2021 Journal of stroke Vol.23 No.1
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