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강상욱,권오민,최형민,곽영제,Kang, Sang-Wook,Kwon, O-Min,Choi, Hyung-Min,Kwark, Young-Je 한국섬유공학회 2008 한국섬유공학회지 Vol.45 No.6
Nanofibers of phenylsilsesquiazanes (SSQZ), as a precursor of inorganic silicon nitride nanoweb, was prepared using the electrospinning process. The SSQZ was prepared by ammonolysis of phenyl trichlorosilane and condensation of the resulting aminosilanes. The molecular weight of resulting SSQZ increased with initial concentration of phenyl trichlorosilane, reaching plateau above 20wt% of the silane. When the SSQZ was electrospun alone, it did not form fiber even with 20wt% concentration of SSQZ. However, it was possible to prepare fibers by adding poly(ethylene oxide) (PEO) as a viscosity enhancer. The diameter the of electro spun fibers was modified by the total polymer content and the content of PEO. The best result was obtained when the total concentration of the polymer was in the range of 15 to 20 wt% while the SSQZ/PEO ratio was 95/5.
액와접근법을 이용한 무기하 내시경적 갑상선 절제술: 634예에 대한 수술 결과
강상욱,정종주,윤지섭<SUP>1<,SUP>,성태연,이승철,이용상,남기현,장항석,정웅윤,박정수,Sang-Wook Kang,Jong Ju Jeong,Ji-Sup Yoon,<SUP>1<,SUP>,Tae Yon Sung,Seung Chul Lee,Yong Sang Lee,Kee-Hyun Nam,Hang Seok Chang,Woong Youn Chung,and Ch 대한갑상선-내분비외과학회 2008 The Koreran journal of Endocrine Surgery Vol.8 No.1
시장지배적 지위남용행위로서의 불이익 강제행위에 관한 소고
강상욱 ( Kang Sang Wook ) 한국경쟁법학회 2016 競爭法硏究 Vol.33 No.-
The Supreme Court issued its first decision about the meaning of transaction refusal as an abuse of dominant market position and the conditions on unreasonableness of transaction refusal to be the abuse of dominant market position in so-called Posco case in 2007. About a year later, the Supreme Court made its second decision on the abuse of dominant market position by giving coercive disadvantage to other business operators for an abuse of dominant market position, which is referred to as T-broad case. Both activities belong to unreasonably interfering with the business activities of other business operators as the abuse of dominant market position, but the type and characteristics of them are significantly different. Nonetheless, the Supreme Court applied identical legal principles of the Posco case to in T-broad case. According to the conventional meanings of the phrases, however, unreasonable interference with business activities of others is more like unfairness of transaction rather than a restriction on competition. And the grounds of the regulations cannot be identical for each case. So the unfairness of transaction can also be considered as a ground of the regulations in addition to the restriction on competition applied to the Posco case. When the court examines a lawsuit case of new type of the abuse of dominant market position in the future, it is desirable to develop a criterion reflecting its own characteristics under the general principles of law interpretation.
연료 최소화를 위한 지구-달 천이궤적의 Delta-V 분석
강상욱(Sang-Wook Kang),주광혁(Gwanghyeok Ju),류동영(Dong-Young Rew),이상률(Sang-Ryool Lee) 한국항공우주학회 2012 韓國航空宇宙學會誌 Vol.40 No.1
1990년대 들어 달 탐사가 재개 된 후 2000년대부터 세계우주선진국들을 중심으로 달을 선점하기 위한 치열한 달 탐사 경쟁이 벌어지고 있다. 우리나라도 2020년경 자력 달 탐사를 목표로 선행연구를 수행 중에 있다. 본 연구에서는 한국형 달 탐사를 대비하여 지구에서 달로 가는 천이궤적 중 연료 최소화를 위해 다양한 천이궤적의 Delt-V를 비교 분석하였다. 시뮬레이션을 통해 한국형 달 탐사에 가장 적합한 지구-달 천이궤적을 확인하였으며, 실제 한국형 달 탐사시 유용한 자료로 사용될 것이다. After lunar explorations were restarted in 1990s, the world space advanced countries have been competing actively to preoccupy the Moon from the 2000s. Korea has been also conducting precedent study on lunar exploration to carry out that by ourselves in 2020. This study analyzed delta-V of various Earth-Moon transfer trajectories for minimization of fuel consumption. Through the simulation, the best Earth-Moon transfer trajectory for Korean lunar mission is suggested and it will be used as useful materials of Korean lunar mission.