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용액법으로 제작된 ZnSnO 박막트랜지스터의 전극 물질에 따른 계면 접촉특성 연구
정영민,송근규,우규희,전태환,정양호,문주호,Jeong, Young-Min,Song, Keun-Kyu,Woo, Kyoo-Hee,Jun, Tae-Hwan,Jung, Yang-Ho,Moon, Joo-Ho 한국재료학회 2010 한국재료학회지 Vol.20 No.8
We studied the influence of different types of metal electrodes on the performance of solution-processed zinc tin oxide (ZTO) thin-film transistors. The ZTO thin-film was obtained by spin-coating the sol-gel solution made from zinc acetate and tin acetate dissolved in 2-methoxyethanol. Various metals, Al, Au, Ag and Cu, were used to make contacts with the solution-deposited ZTO layers by selective deposition through a metal shadow mask. Contact resistance between the metal electrode and the semiconductor was obtained by a transmission line method (TLM). The device based on an Al electrode exhibited superior performance as compared to those based on other metals. Kelvin probe force microscopy (KPFM) allowed us to measure the work function of the oxide semiconductor to understand the variation of the device performance as a function of the types metal electrode. The solution-processed ZTO contained nanopores that resulted from the burnout of the organic species during the annealing. This different surface structure associated with the solution-processed ZTO gave a rise to a different work function value as compared to the vacuum-deposited counterpart. More oxygen could be adsorbed on the nanoporous solution-processed ZTO with large accessible surface areas, which increased its work function. This observation explained why the solution-processed ZTO makes an ohmic contact with the Al electrode.
여성 성기능장애의 보완대체의학적 치료에 관한 논문 연구
정영민 ( Young Min Jeong ),김송백 ( Song Baek Kim ),최창민 ( Chang Min Choi ),서윤정 ( Yun Jung Seo ),조한백 ( Han Baek Cho ) 대한한방부인과학회 2013 大韓韓方婦人科學會誌 Vol.26 No.2
Objectives: The aim of this study was to review systemically clinical trials on the trends of studies for Complementary and Alternative Medicine in the treatment of female sexual dysfunction and provide basic resource for future treatment and suggestions for improving research methods. Methods: Through medical website ``Pubmed``, foreign clinical literatures about female sexual dysfunction were searched and domestic clinical literatures about female sexual dysfunction were searched using internet websites ``National assembly library``, ``KISS``, ``RISS``, ``Korean traditional knowledge portal``. Results: Total 19 literatures were selected from January 2000 to June 2012. 15 foreign literatures were selected through medical website and 4 domestic literatures were chosen using internet websites or hand-searching. 5 literatures were published in 2008 and 13 literatures mentioned about age group of patients. FSFI is most common tool for female sexual dysfunction. 9 of 19 literatures were using Herbal medicine for treatment. 5 literatures were about CBT, 6 literatures were about Biofeedback and other one literatures are about Perineal massage. There were 14 Randomized controlled trials and 5 Non-randomized controlled trials. And randomized controlled trials were relatively low in risk of bias than non-randomized controlled trials. Conclusions: Upon these results, in similar future more clinical trials should be done and accumulate Evidence-based literatures.
정영민 ( Jeong Young-min ),김상찬 ( Kim Sang-chan ) 제주대학교 법과정책연구원 2018 法과 政策 Vol.24 No.2
빛은 인간의 삶에 필수적인 존재이지만 과도한 빛은 공해로서 인간을 비롯한 모든 생명의 존재에 지대한 영향을 미치며, 빛공해는 최근 수질오염, 대기오염에 이어 지구상에서 가장 빠르게 번지는 새로운 환경오염피해로 떠오르고 있다. 우리나라에서도 빛공해의 피해방지를 위하여 2012년 2월 1일 ‘인공조명에 의한 빛공해 방지법’(이하 ‘빛공해방지법’으로 약칭함)을 제정하여 2013년 2월 2일부터 시행하고 있으며, 2014년 5월에 환경부는 2018년까지 국토의 절반에 빛공해 기준을 적용하는 ‘제1차 빛공해방지종합계획’을 수립·발표하였다. 그리고 현재 15개 광역자치단체와 2개 기초자치단체가 빛공해 관련 조례를 제정·시행하고 있다. 빛공해에 관한 연구는 주로 전기공학, 특히 조명·전기·설비학 분야에서 이루어지고 있고, 법학에서는 환경법 분야에서 ‘빛공해방지법’을 중심으로 연구되고 있다. 한편 우리나라에는 아직 빛공해로 인한 손해배상에 관한 확립된 판결례는 찾아보기 어렵다. 이 논문에서는 빛공해의 의의와 종류, 그리고 그 특징을 살펴본 후, 이를 기초로 하여 빛공해로 인한 손해배상책임에서 고려되어야 할 요건과 감정에 있어서의 주의할 사항 등과 더불어 빛공해로 인한 손해배상에 관한 하급심 판례를 살펴보면서 빛공해의 합리적인 해결기준을 제시하고 있다. 실제로 빛공해로 인한 손해배상청구소송에서 주요 쟁점은 수인한도를 초과하였는지 여부가 될 것이고, 수인한도의 초과여부를 결정함에 있어서는 ‘빛공해방지법’상의 ‘빛방사허용기준’이나 중앙환경분쟁조정위원회가 정한 ‘불쾌글레어 지수’가 중요한 기준이 될 것임에 틀림없다. 그러나 이 기준을 넘었다고 하여 수인한도를 초과한 것이라거나 넘지 않았다고 수인한도를 초과하지 않았다고 섣불리 판단해서는 안되며, 기존의 일조권 침해에서의 수인한도론 관련 판례의 취지에 비추어 보면 ‘빛공해방지법’의 ‘빛방사허용기준’ 등을 준수했다 하더라도 실질적인 피해가 있으면 수인한도를 초과한 것으로 보는 것이 합리적일 것이다. 아직까지 빛공해에 의한 손해배상에 관한 대법원 판결이 존재하지 않는 현시점에서 기존의 수인한도 기준을 적용하기보다는 빛공해의 특성을 고려하여 수인한도를 판단하는 기준을 세분화하여 면밀하게 검토하고 개별 사건에 적용하여 판단하여야 할 것이다. Light is an essential element in human life, but it has a great effect on the existence of all lives including humans as pollution. Light pollution is recently emerging as a new type of environmental pollution damage following water pollution and air pollution. In Korea, ‘Act on Prevention of Light Pollution by Artificial Light’(hereinafter ‘Light Pollution Prevention Act’) was established on February 1, 2012 and enforced from February 2, 2013. In May 2014, the Ministry of Environment established and announced ‘the 1st Light Pollution Prevention Plan’ that applies light pollution standards to half of the country until 2018. Currently, 15 large unit local governments and 2 primary local governments established and enforced light pollution related ordinances. Studies on light pollution are mostly done in the field of electric engineering, especially in lighting, electric and equipment fields. Regarding the field of law, it is researched in the field of environment law focusing on ‘Light Pollution Prevention Act’. In Korea, there is no judicial precedent about liability for damages caused by light pollution in Korea. In this study, after the meaning, types and characteristics of light pollution are researched, requirements that should be considered in the liability for damages by light pollution are covered along with the precautions in evaluation and lower instance precedents about liability for damages caused by light pollution, and proper solution standards of light pollution are suggested. The major issue in damage claim suit by light pollution can be whether unbearable pain is exceeded, and in deciding whether unbearable pain is exceeded, ‘light-emitting acceptable standard’ of ‘Light Pollution Prevention Act’ or ‘unpleasant glare index’ decided by National Environmental Dispute Resolution Commission must be an important criterion. However, it is important not to judge hastily that the unbearable pain is exceeded if a case is beyond this standard, or that unbearable pain isn't exceeded because it doesn't reach the standard. It might be more reasonable to consider a case with actual damages as excess of unbearable pain even if it obeys ‘light-emitting acceptable standard’ of ‘Light Pollution Prevention Act’ considering the intention of the precedents regarding the theory of unbearable pain. In the current situation when there is no Supreme Court's decision on liability for damages caused by light pollution, it is necessary to specify the standards that judge unbearable pain by considering the characteristics of light pollution, to review in detail and to apply them to individual cases rather than applying the existing standards of unbearable pain.
배발효 음료가 천식이 유발된 생쥐의 기도 과민성 및 면역 글로불린 분비에 미치는 영향
정영민 ( Young Min Joung ),김형우 ( Hyung Woo Kim ),정희진 ( Hee Jin Chung ),최유진 ( Eu Gene Choi ),도윤호 ( Yoon Ho Do ),최정식 ( Jeong Sik Choi ),조수인 ( Su In Cho ) 대한본초학회 2009 大韓本草學會誌 Vol.24 No.4
Objectives: This study was designed to investigate the effects of alcoholic fermentation beverage using pear, Bae Ro Mi In (BRMI) on airway hyperresponsiveness and immunoglobulin production in asthmatic mice Methods: We investigated the effects of BRMI on airway hyperresponsiveness by measurement of enhanced pause (Penh), and also investigated the effects on production levels of antigen specific antibody and subclasses such as IgG1, IgG2a and IgE by using ELISA methods. Prednisolone (PD, 5 ㎎/㎏) was used as positive control. Results: Treatment with BRMI did not lowered airway hyperresponsiveness, but PD lowered significantly. Oral administration of BRMI lowered production level of ovalbumin (OVA) specific total antibody significantly. Especially, BRMI decreased IgE levels compared to non-treated control effectively. Treatment with PD lowered production levels of total antibody, IgG1 and IgE. Conclusions: These result suggest that BRMI can lower production levels of antigen specific total antibody and IgE in asthmatic mice. We also suggest that BRMI has the possibility to prevent or cure asthma through regulation of antigen specific antibody production.
헥사메틸렌테트라민 농도에 따른 수산화니켈 입자의 특성 분석 및 의사커패시터 응용
김동연,정영민,백성호,손인준,Kim, Dong Yeon,Jeong, Young-Min,Baek, Seong-Ho,Son, Injoon 한국분말재료학회 (*구 분말야금학회) 2019 한국분말재료학회지 (KPMI) Vol.26 No.3
Ni hydroxides ($Ni(OH)_2$) are synthesized on Ni foam by varying the hexamethylenetetramine (HMT) concentration using an electrodeposition process for pseudocapacitor (PC) applications. In addition, the effects of HMT concentration on the $Ni(OH)_2$ structure and the electrochemical properties of the PCs are investigated. HMT is the source of amine-based $OH^-$ in the solution; thus, the growth rate and morphological structure of $Ni(OH)_2$ are influenced by HMT concentration. When $Ni(OH)_2$ is electrodeposited at a constant voltage mode of -0.85 V vs. Ag/AgCl, the cathodic current and the number of nucleations are significantly reduced with increasing concentration of HMT from 0 to 10 mM. Therefore, $Ni(OH)_2$ is sparsely formed on the Ni foam with increasing HMT concentration, showing a layered double-hydroxide structure. However, loosely packed $Ni(OH)_2$ grains that are spread on Ni foam maintain a much greater surface area for reaction and result in the effective utilization of the electrode material due to the steric hindrance effect. It is suggested that the $Ni(OH)_2$ electrodes with HMT concentration of 7.5 mM have the maximum specific capacitance (1023 F/g), which is attributed to the facile electrolyte penetration and fast proton exchange via optimized surface areas.