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      • Correction: Rewritable full-color computer-generated holograms based on color-selective diffractive optical components including phase-change materials

        Hwang, Chi-Young,Kim, Gi Heon,Yang, Jong-Heon,Hwang, Chi-Sun,Cho, Seong M.,Lee, Won-Jae,Pi, Jae-Eun,Choi, Ji Hun,Choi, Kyunghee,Kim, Hee-Ok,Lee, Seung-Yeol,Kim, Yong-Hae The Royal Society of Chemistry 2018 Nanoscale Vol.10 No.47

        <P>Correction for ‘Rewritable full-color computer-generated holograms based on color-selective diffractive optical components including phase-change materials’ by Chi-Young Hwang <I>et al.</I>, <I>Nanoscale</I>, 2018, DOI: 10.1039/c8nr04471f.</P>

      • KCI등재

        포스트 모더니즘 의류광고에 대한 소비자 반응연구

        원을지(Ul Chi Won),이선재(Sun Jae Lee) 한국복식학회 1999 服飾 Vol.46 No.-

        The fashion advertisement is communication method between clothing and consumer. The development of mass communication accelerated that In modern society Post-modernism advertisement is a specialized and separated form so it confuses the consumers who are used in traditional AD. The peculiarities (non-form, destruction of description, compound of genre, mixing of reality and fiction) are more reflected in fashion advertisement. The sample consisted of 425 mail and female and the results were analyzed using frequency and percentage calculation, Close tabs, T-Test, Oneway Anova, Factor analysis, Chi-square Test, Regression, Correlation Analysis. The result of this study were as follows: The post-modernism fashion ad is the separated and reflected form for young age`s favorite. By the factor analysis of consumer response in each 5 emotional factors proved to be valid ones(fine, negative, sexual, stimulative, constructive aspects). The fine and negative aspects of the factors are very concerned with the consumer`s favorite attitude of fashion ad. There is no significant difference in age, job but sex has a significant difference. In according to the method of the ad expression consumer`s acceptance is difference in sex. There were no significant concern with excess effects and purchase intend in fashion advertisement.

      • 절수에 의한 Mongolian Gerbil 장기중량변화에 관한 분석연구

        김무강,이기훈,이강이,송치원,이경열,권효정,박미선,정승혁,이행연,김명철 충남대학교 수의과대학 동물의과학연구소 2000 動物醫科學硏究誌 Vol.8 No.-

        In this study, authors measured the each organ weight of the long term water deprived Mongolian gerbil, after then we calculated the mean, standard deviation, variance coefficient of the real measured organ weight and induced the organ weight change quantity, rate of quantity, deviation between measured and theological organ weight, deviation rate, sum of deviation rate, organ weight change rate, rate of organ weight by the mathematical formula. The results obtained as follow 1. The weight of the brains, lung, and testis were abruptly decreased after water deprived until the 5th day, after then slowly decreased until the 20th day. 2. The weight of the heart was decreased gradually from the first day until the 20th day. 3. The weight of the liver was abruptly decreased until the 10th day, after then the more slowly decreased until the 20th day. 4. The weight of the thymus, spleen, kidney, and pancreas were abruptly decreased until the 15th day, after then increased slowly until 20th day but the weight of the kidney was abruptly increased from the 10th day. 5. The organ weight change rate and the rate of the each day organ weight were very diversified.

      • 위의 상피성 종양에서 p53 암억제 유전자 및 EB 바이러스 RNA의 발현에 관한 연구

        원치규,이중달 한양대학교 의과대학 1996 한양의대 학술지 Vol.16 No.2

        Background: Mutant p53 gene and Epstein-Barr virus genome (EBER) are expressed in adenocarcinoma cells of the stomach, and their biologic significance involving in gastric carcinogenesis is evaluated. Method: A variety of precancerous and cancerous lesions including intestinal metaplasia(three cases), dysplasia(four cases), adenoma(three cases) and adenocarcinoma(11 cases) were investigated in formalin-fixed, paraffin-embedded tissue sections. Immunohistochemical reaction using monoclonal antibody for p53 gene and in situ hybridization using anti-sense probe for EBER were studied. Results: One of three adenomas and two of 11 adenocarcinomas expressed the p53, and EBER were expressed in one of 11 adenocarcinomas. Conclusions: Relaiton between their overexpression and histologic type of gastric adenocarcinomas was not found. Since the p53 and EBER wer overexpressed in different cases, their cooperative action involving gastric carcinogenesis was believed to be not present.

      • KCI등재
      • 엔진 다이나모메타의 토오크 제어를 위한 퍼지 로직 제어기 설계

        이상윤,신위재,김치원 慶南大學校 附設 工業技術硏究所 1996 硏究論文集 Vol.14 No.1

        최근 자동차 엔진의 공기 연료비의 정밀한 제어와 엄격한 배기가스 규제가 요구되고 있다. 그러나 엔진 성능을 개선하기 위해서는 우수한 측정 장비가 요구되어진다. 특히 다이나모메타 토오크 제어는 엔진 제어에 있어서 매우 중요하다. 왜냐하면 엔진 다이나모메타의 구조는 매우 복잡하며, 진동, 열, 냉각, 에너지 손실 등의 외란에 의한 비선형 제어요소를 가지고 있기 때문이다. 본 연구에서는 퍼지 룩-업 테이블을 사용한 다이나모메타 토오크 제어 방법을 제안하였고, 구현된 제어 시스템으로부터 만족 할 만한 결과를 얻었다. Recently, the automobile engine requires precision control of Air- Fuel rate and a rigid restriction of exhaust gas. We demanded a excellent measuring equipment to improve of engine performance. Especially, dynamometer torque control is very important part in the engine control. Because the structure of engine dynamometer system is very complicate and it has nonlinear elements which is influenced of disturbance about vibration, a heat, a cooling, energy loss and so on. In this paper, we propose Dynamometer torque control technique using Fuzzy Look-up table and we obtained the satisfying result from realized the control system.

      • 공정제어에의 應用을 위한 마이크로 콤퓨터 시스템의 개발

        李秀東,禹治水,李泰鎬,朴源深,黃德浩 울산대학교 1978 연구논문집 Vol.9 No.2

        마이크로 프로세서를 이용한 디지탈 공정제어 수단이 고찰되었다. 관심의 초점은 분산-종합제어에 적합한 단말제어 프로세서에 두었다. 시험 제작된 프로세서는 8개의 제어 루우프를 운전하는 독립된 제어장치이며 동시에 종합제어를 위하여 상위 전산기와 데이타 교환이 가능하도록 설계 되었다. 주기적 샘플링에 의한 비례-적분-미분(PID)제어방식을 기본으로 하고 있으며 파라메터 값에 의하여 PI,PD등으로 축소될 수 있도록 하였다. 시험 장치에서는 주기를 2초로 하였는데 A/D변환기의 적절한 선정에 의하여 0.2초정도 까지는 쉽게 단축할 수 있다. 조작자용의 프로세서에 대한 고찰은 최소한의 기능을 가진 것에 한정하였으며 이는 실제 적용 현장과 관련하여 기능이 확장되어야 할 것이다. 사용된 마이크로 프로세서는 범용의 것으로 단말용에는 M6800계통을, 조작자용에는 SC/MP계통을 사용하였다. A microprocessor based digital process controller has been studied. The objective was to develope a stand-alone terminal processor for distributed on-line control systems. The prototype terminal proposed in this paper has the capability of handling eight independent control loops under the supervisory control of main computer and/or operator console. The control algorithm follows analog PID action based on periodically sampled data. The control action can also be reduced to PI,PD and so forth through parameter assignment. Availability of A/D converters to the authors limited sampling period to 2 seconds, but it could easily be reduced to 0.2 sec. employing appropriate A/D devices. The number of operational functions of console processor is kept minimum in this study, the expansion of which should be done for particular application. Hardware implementation was done with general purpose microprocessors; M6800 system for terminal and SC/MP system for console.

      • 축하중과 첨가질량이 작용하는 적층복합판의 진동해석

        이봉학,김경진,원치문,성기태 江原大學校 産業技術硏究所 1995 産業技術硏究 Vol.15 No.-

        A method of calculating the natural frequency corresponding to the first mode of vibration of beams and tower structures, with irregular cross-sections and with arbitrary boundary conditions was developed and reported by D. H. Kim in 1974. IN this paper, hte result of application of this method to the laminated plates with axial forces and with attached point mass/masses is presented. Both N? and N? forces are considered. The solution for the laminated plates with arbitrary boundary conditions and irregular section can be obtained by simply obtaining the deflection influence coefficients by any method. The effect of neglecting the mass of the plates on the natural frequency, as the ratio of the point mass/masses to the plate mass increases, is thoroughly studied. The influence of N? and N? is also carefully investigated.

      • 오스테나이트系 스테인레스鋼의 熔接 入熱이 殘留應力과 收縮.變形量에 미치는 影響에 관한 硏究

        李允景,金治遠 慶南大學校 附設 工業技術硏究所 1992 硏究論文集 Vol.10 No.-

        오스테나이트系 스테인레스鋼(STS 304)은 여러가지 長點으로 인해 高級 製品의 素材로 각광을 받고 있는 반면에 또한 一般炭素鋼에 비해 낮은 熱傳導率과 큰 熱膨脹係數 때문에 鎔接施工時에 鎔接入熱에 의해 殘留應力 및 收縮, 變形量의 影響이 크게 나타난다. 이런 鎔接 施工上의 애로를 最少化하기 위해 鎔接入熱에 의해 殘留應力과 收縮 및 變形量에 대해서 검토하였다. Recently, the use of Austenite Stainless Steel has been increasing in wide applications, such as pressure vessels, heat excahngers for chemical plants, and especially component material of nuclear power plants, due to the good characteristics of high anti-corrosion, beautiful external appearance. richful dutility and high heat-resistance. etc. However, many difficulties have been encountered in the field welding and fabrication, because of the large residual stresses and shrinkage-deformations due to the heat-input during welding caused by the very low heattransfer compared with that of general carbon steel. In order to assist for the reduction of these quality problems, this study demonstrates the relationship between residual stresses and shrinkage-deformations caused by the heat-input of several typical welding processes and types of joint for Austenite Stainless Steel(STS304). And, for improving quality and satisfactory welding during field fabrication, the results of this experimental study for minimizing the residual stresses and shrinkage-deformations due to weld heat-input.

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