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원태혁,이동초,오경재 원광대학교 대학원 2008 論文集 Vol.40 No.-
The palmoplantar keratoses comprise a heterogenous group of disorders of keratinization, which can be subdivided into hereditary and acquired forms. Epidermolytic palmoplantar keratoderma (EPPK) is an autosomal dominant disease which presents as abnormal thickening of the palms and soles with epidermolytic hyperkeratosis pathologically. We report a 18-month-old female baby showing the clinical and histologic features of EPPK without family history. She has been treated intermittently with topical urea and oral isotretinoin for 2 years, but the lesions remain unchanged.
이경원 忠州大學校 2002 한국교통대학교 논문집 Vol.37 No.2
The chemically modified chitosan was prepared from two kinds of the controlled molecular weight of crab shell. when the molecular weight and the degree of acetylation of chitosan formed was measured, the viscosity of A and B was 8.2x105 and 1.6x106, respectively. The optimal pH of dyeing wastewater is 6 when the input of chitosan was 2mL. With increasing the average viscosity molecular weight, the transmittance and the removal of color was very good.
李京遠 忠州大學校 1995 한국교통대학교 논문집 Vol.30 No.2
The measurement of the infrared absorlpstion speetrum of supporting reinforcing filler which is obtained from the domestic area of Korea, is used by the method of KBr pellt. According to the above phenomena, each filler seems to have a different characterestic infrared absorption band, we can find what filler is used for sample rubber.
金元鎰,金敬年 경남대학교 신소재연구소 1994 論文集 Vol.4 No.-
본 연구는 선반작업에 있어서 工具形象과 作業條件의 變化에 대하여 표면거칠기의 形成因子를 규명하기 위한 것이다. SNMG120404, SNMG1408과 DNMG150404, DNMG150408의 공구형상이 사용되었고, 절삭속도와 이송과 같은 작업조건이 변화되었다. 즉 절삭속도는 150, 200, 250m/min, 이송은 0.05, 0.1, 0.3mm/rev로 변화시켰다. 周波數分析 結果에 의하면, 표면거칠기는 移送에 가장 큰 영향을 받았으며 바이트의 떨림은 표면거칠기 뿐만 아니라 파상도에도 영향을 미치고 있었다. 아울러 主軸의 떨림은 표면거칠기에 약간의 영향을 미쳤으며 工具形象은 표면거칠기에 영향을 미치지 않았다. This study is to evaluate components of surface roughness in turning with respect to the tool configuration and the changes of working condition. Tool configurations of SNMGEB4.04, SNMGI20408 and DNMG 150404, DNMG150408 are used, and working conditions such as cutting speed and feed are adopted. The changes of cutting speed and feed are 150, 200, 250m/min and 0.05, 0.1, 0.3 mm/rev, respectively. From the results obtained by frequency analysis with spectrum, it is noted that the surface roughness was influenced most significantly by the feed, and the vibration of bite had an effect on both the surface roughness and the surface waviness. It is also observed that the vibration of the spindle had little influence on the suraface roughness and the tool configuration was not the components of the surface roughness
Poly (terephthaloyl dihydrazides)의 合成과 熱的特性에 關한 硏究
李京遠,李榮雨 忠州大學校 1982 한국교통대학교 논문집 Vol.15 No.2
Polyterephtaloyl oxamidrazone (PTA) and polyterphtaloyl oxldiimidacid dihydrazide (PTI) have been synthesized by polycondensation from equim olar amount of terephthaloyl chloride and oxamidrazone of oxaldiim idacid dihydrazide at low temperature in N-methyl pyrrolidone (5% Licl) solution. PTA has been cyclized by acidic and thermal treatment. The characterizations PTA, PTI and cyclized PTA have been studied by spectroscopic and thermal analysis. PTA and PTI had cyclization temperatures in the range of 250∼300℃ and these polymers are extremely thermally stable and decomposed between 400 and 600℃
송경용,김원철 동신대학교 2004 論文集 Vol.14 No.-
That truth that alien worker 80% is staying unlawfully now is ceilinged in current alien worker administration policy, employment licence system is presented by the policy alternative to solve problem of these unlawfulness stay and illegal employment. Of course, alien worker late dragon licence system can not solve all problems that current industrial technology trainee system happens. Result according to that fulfil law and promise, responsibility and duty that tooth system requires both business proprietor or employer how faithfully and manage also can appear as is different. However, instead of string water softener degree that is knowing structural problem that can not but mass-produce illegal employer, or coexist and it is actuality that employment licence system is getting much persuasive powers until present by the alternative to grope improvement of abroad human strength administration policy. The Ministry of Labor attempted abroad human strength policy amendment by employment licence system in 2000 years already in recongnition of these point, and plan extension of employment licence system personality as converting from 2+1 research study employment emperor to 1+2 research study employment emperor in 2001. Can no longer leave alien worker's administration problem which is dominating whole employed's l.5%, wage worker's 2.5% in easier method and paradoxical state. Deny actuality and actual state and estrangement by done policy pernicious evil widespread problem solve can. If alien worker's labor is need and inevitable in our economy, opening street could employ fairly to these rather than blindfold and do Aung in name of 'Research study', their staffingㆍemploymentㆍmanagement is transparent and it is no error that it is right policy direction that ready systematic device that can do rationally. According as method enactment that presuppose employment licence system introduction consists, basis frame of abroad human strength policy direction that become controversy meantime established but is knowing much subjects forward. So first, minimize trial and error because readying connected chain reaction through enforcement ordinance revision and so on since law enactment and must do so that system may can be settled early stage. Second, is not readied properly do demand adjustment chapter who become problem institution in connection with abroad human strength system meantime, although law that is established this time may get into new era of abroad human strength policy direction and because there is insufficient side systematically, way to minimize side effect that get domestic labor market and social economy may have to be considered. Third, do employment licence system by recent publication of simplicity function abroad human strength policy for long-term and industry research study system may have to settle by technology research study system in pure meaning, but must grope way for successful same time enforcement of two systems for the present.
불연속 구조물의 배치최적설계시 민감도 오차해석에 관한 연구
이광원,박경진 한양대학교 공학기술연구소 1995 공학기술논문집 Vol.4 No.1
Configuration optimization is a structural optimization method where the geometrical shape of the structures can be changed during the optimization process. Sensitivity informations are required in the general optimization and quite costly. Especially, they are extremely expensive in the structural optimization where the finite element analysis is utilized. Since the nodal coordinates are regarded as design variables in the configuration optimization, the sensitivities according to the nodal coordinates must be calculated. The characteristics of the configuration optimization is in that the transformation matrix in the finite element analysis is a function of design variables. Thus the sensitivity calculation in the configuration optimization is even more complicated. For the efficient sensitivity calculations, various methods have been proposed. They are the analytic method(AM), overall finite difference method(OFD), and semi-analytic method(SM). The semi-analytic method consists of the forward and central difference method. This study has been conducted to choose an appropriate method for compared based on the mathematical and numerical aspects. Some standard structural problems are selected for the evaluations.
정원교,김경민,김영균,김종원 동의대학교 한의학연구소 2001 동의ㆍ경산 한의학 학술대회 Vol.5 No.-
Panic disorder is one of common disease clinically, and it is included in the anxiety disorders. This case is about a patient who is 43 years old lady, suffered by a sense of unease, irritation, palpitation, chest discomfort, heating sense of the upper part, etc. This patient was treated by Bosimgunbitang(Buxin Jianpi Tang) in early stage, and Palmulgunzatang(Bawu Junzi Tang) in chronic stage. This paper describe the process and contents about the way the patient was treated.