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自轉車 利用 活性化 方案에 관한 硏究 : 全州市를 中心으로 Focused on Chon-Ju
양승진,유응교 全北大學校 附設 都市및環境硏究所 1999 都市 및 環境硏究 Vol.14 No.1
Bicycles are now considered as a useful transportation means to cope with the traffic problems. This study is to propose some proper some proper ways to revitalize cycling from the viewpoints of transportation facilities based on the investigation of present condition and the questionnaire survey for Chon-ju citizens. The conclusion are as follows. First, it is inevitable to settle the major demand of cycling. Second, the bicycle road networks should be organized. Last, various bicycle-related facilities matching with the conditions of Chon-Ju should be equipped.
Characterization of Poly(epoxyimide) on polyimide and epoxy structure
양승진,김도완,이호성,이춘근,한학수 한국화학공학회 2007 화학공학의이론과응용 Vol.10 No.1
Poly(epoxyimide) film was prepared by reaction between hydroxyl group containing soluble copolyimide and commercial epoxy resins at 220℃ for 2hours. The poly(epoxyimide) exhibited higher thermal stability, lower dielectric constant, and low residual stress than commercial flip-chip package material. Thermal stability of poly(epoxyimide)s was 1.4 ~ 2 times higher than the commercial flip-chip package material. And thermal stability was increased by increasing crosslink density and decreasing easily decomposable bulky CF3 group. Dielectric constant of poly (epoxyimide)s was 1.1 ~ 1.3 times lower than the commercial flip-chip package material which highly desirable for microelectronic packaging industry. Dielectric constant was decreased dramatically introducing bulky CF3 group and low epoxy functionality. Residual stress, slope in cooling curve, and Tg of poly(epoxyimide)s were measured by TFSA. But commercial flip-chip package material``s high shrinkage effect prevented thin film formation which is desirable.
탄성파반사자료(彈性波反射資料)에서 지하물질(地下物質)의 음향계수(音響係數) 추출(抽出)
양승진,안대영,Yang, Sung-Jin,Ahn, Dae-Young 대한자원환경지질학회 1986 자원환경지질 Vol.19 No.4
Accoustic impedances of subsurface layers are determined from the amplitudes of reflections from the layers. Densities of the layers can also be calculated from the accoustic impedances in case where velocities are known by velocity analysis of reflection data or any other method. The accoustic impedance is a good information for direct identification of the kind of some subsurface material like coal or oil.
양승진,유해수,박석재,Yang, Seung-Jin,You, Hai-Soo,Park, Suk-Jae 대한자원환경지질학회 1992 자원환경지질 Vol.25 No.1
An Interpretation technique is presented to determine strike, dip, velocity and depth of 3-D planar layers from refraction or reflection traveltime curve. This interpretation technique determines the direction of emerging ray from the slope of the traveltime curve and traces the emerging ray to the refractor or reflector. The ray direction in the last layer is used to decide the normal vector to the refractor or reflector from whick its dip, strike and velocity are calculated. The vertical depth to the refractor or reflector is computed by using the intercept or zero-offset time and the ray direction in each layer. Some tests on the interpretation method are performed for the sysnthetic traveltimes generated in 3-D model layers and show that the paramerters of the model layers are accurately determined.
양승진,김원식,유해수 대한자원환경지질학회 1999 자원환경지질 Vol.32 No.5
Common-mid-point (CMP) seismic data on a dipping layer have have a stacking different from a horizontal layer velocity and the reflection points on data are dispersed to many positions. Therefore, the CMP data are not stacked well by the conventional stacking method using the horizontal layer velocity. The CMP gather can ideally stacked by applying dip-moveout(DMO) processing. Hence, modern seismic processing indludes DMO as an essential routine step. DMO processing techniques are broadly categorized by two, Fourier transform and integral methods, each of which has many different computational schemes. In this study, the dip-decomposition technique of the Fourier transform method is used to test the DMO effect on the synthetic scismic data generated for dipping structures. Each of constnat offset sections NMO corrected by using the layer velocity of the model and DMO processed. The resulting zero-offset sections for many offsets are stacked. The stacked sections with DMO processing show the structural boundaries of the models much better than those without DMO processing.
의복 디자인 감각 선호와 라이프 스타일의 관련성에 관한 고찰
양승진 淸州大學校 1992 淸藝論叢 Vol.6 No.-
This paper has discussed and summarized the relationship between the image preferences of clothesdesings and the styles of life on the basis of previous studies. The studies done in Korea regarding to the relationship between the image of clothes-designs(or the image of clothes-brand) and the styles of life were as followings ; 1)The revolutionary and fashion pursuing group, actively idea leading type, preferred progressive, modernized, and manish design-feelings. 2)The status symbols recognizing group, brand concious and formal value seeking type, preferred the elegant design-feelings. 3)The improvement pursuing group in practical life, economical and practical type, preferred the casual, manly design-feelings. 4)The group inclined to feminity preferred the womanly elegance, charming images, and full dresses. 5)The group inclined to masculinity preferred the casual, sporty design-feelings. 6)The conservative group preferred the formal design-feelings.
부지(敷地)의 지질조건(地質條件)과 지진위험도(地震危險度)와의 관계(關係)
양승진,전명순,Yang, Sung Jin,Jun, Myung Soon 대한자원환경지질학회 1981 자원환경지질 Vol.14 No.3
Seismic risk maps in Korea are made using Korean historical and modern earthquake data. The risk maps made by several method are presented in contour line of vibratory ground motion(acceleration, velocity, and displacement). The method used are Kawasumi (1951), Kanai (1968), and Hsich et al (1975) method. The maps made by Kawasumi (1951) method represent the acceleration distribution ground and those by Kanai (1968) method show the acceleration, velocity, and displacement at bed rocks, The risk analysis by the method of Hsich et al (1975) shows the probability of acceleration at each of soft, medium and hard grounds in each tectonic province in Korea.