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- 저자 : 김학수(Kim, Hak-Soo) (검색결과 696 건)
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천공지 유리 피판술을 이용한 소아 사지 연부조직 결손의 재건
김학수,김경철,김성언,Kim, Hak-Soo,Kim, Kyung-Chul,Kim, Seong-Eon 대한미세수술학회 2007 Archives of reconstructive microsurgery Vol.16 No.1
Perforator free flap (PFF) is currently a major reconstructive option for soft tissue reconstruction in adults. Although PFFs have been used commonly, most reconstructive surgeons still hesitate to perform PFFs in children. The main cause of concern is the perceived high failure rate related to the small diameter of children's perforator vessels. We present 8 consecutive cases of successful transfer of thoracodorsal artery (TDA) & anterolateral thigh (ALT) perforator flap in children. Between 2003 and 2005, 8 children(4 to 13 years old) with soft tissue defects of the extremities were reconstructed with TDA & ALT PFFs. All flaps completely survived. There were no problems relating to vascular spasm or occlusion. Range of motion of reconstructed extremities were fully recovered. Among 8 patients, only 1 patient was performed an additional flap thinning procedure. 8 cases of TDA & ALT perforator flaps were successfully transferred in children. PFF is an excellent option in reconstruction of children as well as in adults because of its thinness, long pedicle length, least donor site morbidity and acceptable donor site scar.
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김학수(Hak-Soo Kim),오연호(Yeon-Ho Oh) 한국언론학회 2003 한국언론학보 Vol.47 No.4
The purpose of this study is to theoretically examine and empirically explore the process of how come a citizen brings a collective problem to news of internet newspapers, for example, a Korea's well-known internet newspaper, Ohmynews. To reveal the process clearly, this study introduced Kim's model (김학수/Kim, H.-S., 1996) called as the potential-agenda-building process. It represents the process of a citizen's being exposed to collective problems, focusing attention on the most urgent problem of them, cognizing its definitions and solutions, and communicating (writing) those contents to a medium, for example, Ohmynews. We found that civic high engagement with a collective problem(that is, engagement with a collectivity) and collective topicality of the problem seemed to be key - determinants to successfully enabling such agenda-building from a citizen to Ohmynews. Finally, this study emphasizes that we should tum our study focus toward such an initial process as citizens' agenda-building more than toward media effects (eg., agenda-setting, framing, priming) or newsroom operations.
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김학수,Kim, Hak-Su 한국과학기술단체총연합회 1995 과학과 기술 Vol.28 No.5
갈등이 많은 나라, 인삼과 태권도 중심의 나라로 외국인의 눈에 비쳐지고 있는 한국, 중국이 상권을 ,일본이 자본과 기술을 지배하고 있는 동남아에서 한국이 설자리는 어디인가? 스위스가 정밀공학분야로 살아남앗듯이 우리한국은 온 국민을 과학기술에 매진케 하여 모든 국사가 그 기조위에서 이루어지도록 해애 할 것이다.
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김학수,김동환,Kim Hak-Soo,Kim Donghwan 한국재료학회 2005 한국재료학회지 Vol.15 No.10
We studied the possibility of $Zn_4O(Ac)_2(OH)$ formation as a precursor for ZnO nano particles in sol-gel method. Four different additives such as tetra methyl ammonium hydroxide, mono ethanol amine (MEA), LiOH, and $H_2O$ were used for zinc acetate dissolved in 2-methoxy ethanol. ZnO particles of 5-6 nm in size were observed. Existence of $Zn_4O(Ac)_6$ was not verified. $Zn_4O(Ac)_2(OH)$ molecules were observed and they were believed to be the precursors of ZnO. A peak at 275nm in UV-Vis analysis was observed In the case of MEA and $H_2O$ but no ZnO particles were detected in transmission electron microscopy.
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