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마르크 샤갈의 작품에 표현된 조형적 특성 분석을 통한 네일 디자인 연구
이주혁,이유나,임희경 한국미용예술경영학회 2015 미용예술경영연구 Vol.9 No.1
Today nail art is simply fingernails, toenails Do not really manage to raise the nail of people receiving stress management and their being used as a means of self-expression that can express your personality. That is today's nail art fashion, beauty was a part of and further enhance the personal charm can increase the good feeling through them, and has a big role in the self-satisfaction. Fashion, beauty nail art place to catch a variety of designs and this area is expressed in the concept of a planned theme nail art and has been developed with various designs are required for this look. These social requirements are simply nail in the design or configuration works not only as a coloring being affected by social and artistic zeitgeist, and it also has a big role to play in exploring and trying new design foundation. In this study, only the centuries have passed since we produce nail design based on work analysis exploring the emblematic nature as the work of a magician Marc Chagall's color being talked about even now motif of looking at the transition course of his life and works and works . Marc Chagall works were a total of four works were selected on the basis of analysis of the design magazines, books, Web sites, papers relating thereto prior to selecting a motif. Themes and lines appear in the Selected works motif, cotton, color analysis was divided into grasp the characteristics of color through color distribution, color analysis to analyze the formative characteristic configuration of the original design was shown to work was the design. Production method works with colors, geometric patterns, cotton, inspired by the lines of gradient nail art techniques, flat art techniques, hand-painting techniques, and creates works using a UV gel technique. The results of this study different techniques and colors contained Chagall's work was creative nail design based on the future We expect a high quality variety of nail design has created hope.
이주혁,이성필,김성진 경북대학교 센서기술연구소 1998 센서技術學術大會論文集 Vol.9 No.1
A humidity sensor using porous silicon layer as humidity-sensing material is developed. Its structure was designed monolithically to be compatible to the integrated circuit technology, and the porous silicon layer was formed on p-type wafers with the low resistivity of 0.01 Ωcm to be stable mechanically. Proto-type sensors were fabricated using processes such as localized formation of porous silicon, oxidation of porous silicon layer, and etching of oxidized porous silicon layer. The dependence of capacitance on relative humidity was measured at room temperature, where the capacitance increased from 0.3 nF to 1nF for the relative humidity of 55 to 90% over.
이주혁,박홍채,양태영,윤석영 한양대학교 세라믹연구소 2012 Journal of Ceramic Processing Research Vol.13 No.1
The sedimentation bulk density and rheology of TBA-based alumina and alumina/zirconia mixed suspensions have been studied in terms of oxide loading (20, 30 vol.%), and types of additives (dispersant, dispersant/binder, dispersant/surfactant, dispersant/surfactant/binder). Citric acid, ethoxylated acetylenic diol (Dynol 604), poly(vinyl butyral) (PVB), and tertiary-butyl alcohol (TBA) have been used as the dispersant, surfactant, binder, and liquid medium, respectively. The sedimentation density significantly increased upon adding the dispersant; the effect was more pronounced with an alumina/zirconia suspension most likely due to the high specific surface area of zirconia. With a further addition of the binder, the sedimentation density decreased. The suspension viscosity generally behaved in an opposite manner to the sedimentation density, i.e. a low sedimentation density gave a high low-shear viscosity, indicative of the formation of a highly ordered structure in the suspended particles. The low shear rate rheology showed a shear thinning; in a such case, the degree of shear thinning was greatly increased with a high solid loading (30 to 20 vol.%). TBA-based alumina/zirconia suspension mixed with 5 vol.%zirconia gave an intermediate sedimentation density and the rheological behavior of pure alumina and 15 vol.% zirconiacontaining alumina suspensions, implying the alumina and zirconia particles are non-interacting with each other.
금속성 동맥류 클립에 의한 자기공명영상의 인공물에 관한 연구
이주혁 대한영상의학회 1992 대한영상의학회지 Vol.28 No.2
To investigate MR artifacts induced by metallic implants, scans were obtained using both the ferromagnetic Drake clip and the nonferromagnetic Yasargil clip. Scans were taken through the area of clips using geometrical phantom. The MRI was performed by spin echo technique and gradient echo technique on both 2.0T and 0.5T MR unit. The authors evaluated the nature and differences of artifacts in each sequence and parameter. Artifacts induced by both clips were noted in the direction of frequency encoding gradient, and consisted of a region of signal loss abutted on one side by a curvilinear region of bright signal. Geometric distortion of image was marked in the Drake clip, but was minimal in the Yasargil clip under both 2.0T and 0.5T. Artifacts were more pronounced in the gradient echo technique than those of the spin echo technique on both 2.0T and 0.5T. Artifacts there were no differences in the nature of artifacts induced by the Drake clip among each parameter in the spin ec o technique under 2.0T, artifacts were slightly more pronounced in T2 weighted image under the 0.5T field, but no differences were found in the nature of artifacts induced by the Yasargil clip in the spin echo technique under both the 2.0T and 0.5T fields. Marked artifacts were induced through the small area of the Drake clip which were included in the scan plane, but induced artifacts were small when a small area of the Yasargil clip was included in the scan plane. It seemed likely that artifacts were slightly more pronounced in the 2.0T than the 0.5T field in both clips, but objective evaluation of the difference was difficult. In conclusion, these results can be an essential basis for the interpretation of MR images of patients with metallic implants.
이주혁,목영선 제주대학교 공과대학 첨단기술연구소 2005 尖端技術硏究所論文集 Vol.16 No.2
The injection of ozone, generally produced by a dielectric barrier discharge device, into the exhaust gas gives rise to a rapid oxidation of NO that is the main component of nitrogen oxides (NO_(x)) in most practical exhaust gases. Unlike NO, NO_(2) has a strong adsorptivity. Thus, once NO is converted into NO_(2), it can easily be removed by an adsorbent. The adsorbent used in this study was a mixture of activated carbon and calcium oxide. The present two-step process (NO oxidation followed by adsorption) was able to remove 55-80% of nitrogen oxides initially contained in the exhaust gas.