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A Study on the Soft Ground Subsidence beneath the Jack-up Rig Working for Offshore Wind Turbine Installation (해상풍력발전 설치를 위한 jack-up rig 작업 시 연약지반에 발생하는 지반침하에 관한 연구)

  • Lee, Eui-Chang;Jang, Won-Yil;Shin, Sung-Ryul
    • Journal of Advanced Marine Engineering and Technology
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    • v.36 no.8
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    • pp.1136-1142
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    • 2012
  • With concern for new renewable energy sources rising, the offshore wind turbine energy market is growing. In order to install offshore wind turbines safely in a harsh environment, jack-up rigs need to be used. Recently, a WTIV(Wind Turbine Installation Vessel), which has a self-propelling system, was developed to replace traditional jack-up rigs. Since the jack-up rig works at 60 meters of depth in offshore and the seafloor is composed mostly of soft clay and sand, it is necessary to conduct a stability examination for ground subsidence before using it. This study conducts an improved numerical analysis of the effect of jack-up rig loading on the soft ground by using FLAC3D considering consolidation theory. This includes analyzing the amount of subsidence when applying different cases of surchargings. It can be concluded that the mid-loading method has an advantage as regards clay layers and the pre-loading method has an advantage as regards sand layers.

A Study on Hair and Make-up Design -Focus on the Hair and Make-up Trend Since the 2003s- (헤어·메이크업 디자인 연구 -2003년 이후에 나타난 헤어·메이크업 경향을 중심으로-)

  • Shon, Young-Mi;Lee, Hae-Jung
    • Fashion & Textile Research Journal
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    • v.7 no.6
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    • pp.657-664
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    • 2005
  • Man's search for beauty has been going on from prehistoric time until today, and the pursuit of beauty has been progressing, regardless of the times, as a human psychological desire. In the search for beauty, hair and make-up have been subjects of interest for a long time, but the development of designs for these two aspects are still behind compared to other areas. Therefore, this study aims to propose various new and creative hair and make-up designs and to suggest their possible development. Using existing literature, this paper studied the skin color and hair color of Koreans that had been studied in earlier papers. It also aimed to understand the hair color and hair color images that are suitable for each skin color, classify the modern hair and make-up trends into different images - natural, surrealistic, minimalist, and cyber look, and also analyze them. Actual hair and make-up were also designed based on these images. To depict the natural image, the make-up was made intentionally dark as the skin color; natural materials were used for hair decoration; brown and yellow were used for the eye shadow to express the natural and romantic image of autumn, in general. Second, in the work expressing the surrealistic image, the hair was creatively decorated with a collage of various objects; yellow, green, and red eye shadows and lip expression were used to visually achieve the surrealistic fantasy look. Thirdly, in the work expressing the minimalist image, hair style with bangs without any hair decoration was used; make-up colors were minimized as well, creating a generally simple image. Finally, for the work expressing the cyber image, metallic material decoration was used on a puff-up hair style; the cyber image was emphasized through the use of graphical elements in the make-up.

A Study on the Comparison of the Glam and Punk Make-up - Focused on the 1970s - (글램과 펑크 메이크업의 비교 연구 - 1970년대를 중심으로 -)

  • Chung, Hyun-Sook;Jeong, Hee-Young
    • The Research Journal of the Costume Culture
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    • v.17 no.1
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    • pp.76-89
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    • 2009
  • Popular music unites people who have different genders, ages, locals, and values. Through the popular music, youth interchange their emotion and create their fashion. Fashion and music formed the twin pillars on which the first historically significant youth sub-culture was built. Glam rock and Punk rock which won popularity in the 1970s influenced the fashion of the times. The purpose of this study is to compare Glam and Punk make-up which appeared as a symbol of the rebel against an older generation. The methodology utilized in this study was the analysis of materials from the survey through the literature, internet sites, and visual references. The results of this study are as follows: In face make-up, Glam used a white base to appear cosmic; on the other hand, Punk used a white base to appear pale and horrid. In eye make-up, Glam used black, pink, and blue eye shadow, and accented the eye by using black eye lines. Punk used black eye shadow, and drew black circles or squares around eyes. In lip make-up, Glam used pink, purple, red, and black lip color and silver and pink lip gloss to glitter. Punk used red and black lip color to appear horrid. In body make-up, Glam used glitter powder to appear with a bright skin. Punk drew tattoos and horror patterns in their body. The common themes of Glam and Punk make-up were rebellion, androgyny, and the beauty of ugliness as well as a self-created persona.

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REST-Based Open API Ontology Modeling and Automatic Mash-Up Method Using In/Output Properties (입출력 파라미터 특성을 이용한 REST 기반의 Open API 온톨로지 모델링 및 자동 매쉬업 방법)

  • Jung, Wan;Kim, Hwa Sung
    • The Journal of Korean Institute of Communications and Information Sciences
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    • v.39C no.8
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    • pp.626-636
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    • 2014
  • Existing mash-up services could not be offered in accordance with the purposes and preferences of all users because they are created by the service developers. Therefore some precedent studies, which enable for individual users to create their own mash-up services automatically, have been conducted. In order to create automatic mash-up services, it is important to find elements to distinguish the possibility of mash-up. The precedent studies determine the possibility of mash-up through comparison of the similarity between input/output parameter names in the REST-based Open API. Only using the similarity to distinguish the possibility of mash-up, however, some unintended mash-up results can be occurred because the property of input/output parameters are not considered. In this paper, we propose the method considering the properties of input/output parameters to decrease the unintended mash-up results and extend ontology proposed in precedent studies by applying this property. And we propose the algorithm to distinguish the possibility of mash-up using the expanded ontology and describe the result of automatic mash-up services.

A Case Study on the Advancement of Uni. Start-up Education (대학 창업교육 고도화를 위한 사례분석 -10개 대학 창업교육 컨설팅을 중심으로-)

  • Kim, Jae-Hyun;Lee, Sung-Ho;Nam, Jung-Min
    • Journal of Convergence for Information Technology
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    • v.10 no.6
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    • pp.96-108
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    • 2020
  • Through the case analysis of the college start-up education consulting operated by the Center for Start-up Education, this study presented the direction of Uni. start-up education, such as regular subjects, comparative studies, commercialization of start-up businesses, and supporting infrastructure, and understood the meaning of start-up education. This study was conducted in three stages of literature research at 10 universities, pre-diagnosis questionnaire for practitioners, and visiting consulting, and presented design direction by separating universities (four-year colleges) and colleges of specialties. Universities (four-year colleges) need to make continuous efforts to create a specialized start-up valley for universities and start-up businesses using infrastructure with existing quantitative growth, and colleges need to establish professional and infrastructure for start-up education to suit the characteristics of their departments. In addition, it was urgent to introduce differentiated evaluation indicators for universities (four-year colleges) and colleges.

Scale- Up of Water-Oil Hydrolysis System

  • Hur, Byung-Ki;Kim, Eun-Ki
    • Journal of Microbiology and Biotechnology
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    • v.9 no.6
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    • pp.773-777
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    • 1999
  • Scale-up experiments for hydrolysis of beef tallow, fat, and palm kernel with lipase derived from Candida cylindracea were carried out in 1-1, 100-1, and 10,000-1 reactors. The optimum agitation speed for the hydrolysis of the 1-1 reactor was investigated and found to be 350rpm, and this was a basis for the scale-up of agitation speed. The hydrolysis system in this work was the oil-water system in which the hydrolysis seems to process a heterogeneous reaction. An emulsion condition was the most important factor for determining the reaction rate of hydrolysis. Therefore, the scale-up of agitation speed was performed by using the power n = 1/3 in an equation of the rules of thumb method. The geometrical similarity for scaling-up turned out to be unsatisfactory in this study. Thus, the working volume per one agitator was used for the scale-up. In the case of scale-up from a 1-1 reactor to a 100-1 reactor, the hydrolysis of palm kernel was very much scaled-up by initiating the rules of thumb method. However, the hydrolysis of fat and beef tallow in a 100-1 reactor was a little higher than that of the 1-1 reactor because of the difference of geometrical similarity. The scale-up of hydrolysis from the 100-1 reactor to the 10,000-1 reactor was improved compared to that of the 1-1 to 100-1 reactor. The present results indicated that the scale-up of hydrolysis in the oil-water system by the rules of thumb method was more satisfactory under the condition of geometrical similarity. Even in the case where geometrical similarity was not satisfactory, the working volume per one agitator could be used for the scale-up of a heterogeneous enzyme reaction.

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Make-Up Behavior and Influential Factors - Focusing on Clothing Involvement, Age and Face Satisfaction - (화장행동과 영향 변인 연구 -의복관여도, 연령, 얼굴만족도를 중심으로-)

  • 백경진;김미영
    • Journal of the Korean Society of Clothing and Textiles
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    • v.28 no.7
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    • pp.892-903
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    • 2004
  • The purpose of this study was to analyze the differences in make-up behavior according to clothing involvement, age, and face satisfaction. Subjects of is study were the females in Seoul and Kyonggi, who were 20s and 40 $.$ 50s. Questionnaire was used as major method of gathering data. The data were collected from Sep. to Oct. in 2003 and analyzed by using SPSS 10.0 with various techniques such as the factor analysis, mean, percentage, cluster analysis, ANOVA, Duncan test, 1-test, Cronbach's $\alpha$, and $\chi$$^2$-test. The results of this study were as follows: 1. The consumers were classified into four categories by clothing involvement; high clothing involvement group, low fashion involvement group, middle clothing involvement group, low clothing involvement group. 2. The differences in make-up behavior according to the clothing involvement showed that make-up behavior was getting more aggressive as clothing involvement was getting higher. And generally Korean females thought the make-up was important. 3. The differences in make-up behavior according to the age revealed that 20s' make-up behavior was fashion oriented more than 40ㆍ50s, and 40ㆍ50s' make-up behavior was that they were taking a serious viewer than 20s' in interpersonal relationship oriented make-up behavior. 4. The result of differences in make-up behavior according to the face satisfaction was that no noticeable difference was found depending on the face satisfaction. This study revealed that the differences in make-up behavior according to clothing involvement and age were found and suggested that the cosmetic market segmentation could depend on clothing involvement market and two age group market such as younger and elder than 40ㆍ50s.

Nonlinear behavior of axially loaded back-to-back built-up cold-formed steel un-lipped channel sections

  • Roy, Krishanu;Ting, Tina Chui Huon;Lau, Hieng Ho;Lim, James B.P.
    • Steel and Composite Structures
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    • v.28 no.2
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    • pp.233-250
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    • 2018
  • Back-to-back built-up cold-formed steel un-lipped channel sections are used in cold-formed steel structures; such as trusses, wall frames and portal frames. In such built-up columns, intermediate fasteners resist the buckling of individual channel-sections. No experimental tests or finite element analyses have been reported in the literature for back-to-back built-up cold-formed steel un-lipped channel sections and specially investigated the effect of screw spacing on axial strength of such columns. The issue is addressed in this paper. The results of 95 finite element analyses are presented covering stub to slender columns. The finite element model is validated against the experimental tests recently conducted by authors for back-to-back built-up cold-formed steel lipped channel sections. The verified finite element model is then used for the purposes of a parametric study to investigate the effect of screw spacing on axial strength of back-to-back built-up cold-formed steel un-lipped channel sections. Results are compared against the built-up lipped channel sections and it is shown that the axial strength of un-lipped built-up sections are 31% lesser on average than the built-up lipped channel sections. It was also found that the American Iron and Steel Institute (AISI) and the Australian and New Zealand Standards were over-conservative by around 15% for built-up columns failed through overall buckling, however AISI and AS/NZS were un-conservative by around 8% for built-up columns mainly failed by local buckling.

An Empirical Study on the Influence of Store Entrepreneur's Start up Education and Experience before Start up to Performance of Stores (점포창업자의 창업 전 창업교육 및 현장체험이 점포의 운영성과에 미치는 영향에 관한 실증연구)

  • Kim, Choon Hwa;Kang, Byung Oh;Yun, Hyoung Bo
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.14 no.3
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    • pp.1135-1147
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    • 2013
  • This study is on the empirical results of correlation between start up education and experience before start up of a self employer entrepreneur with store and performance of the entrepreneur's store. Many latent self employers are lacking in education and experiences for start up. According to the result, first, practical education on start up influenced on entrepreneur's start up skill, and theoretical education influenced on entrepreneur's entrepreneurship. Second, entrepreneur's experience before start up influenced on both start up skill and entrepreneurship. Third, start up skill influenced on both financial and non financial performance of the entrepreneur's store. Finally, entrepreneurship influenced on both financial and non financial performance of the store.

EMG effects of abdominal muscle on multiple forms of exercise (여러 형태의 복부 운동에 대한 복근의 EMG 효과)

  • Yoon, Wan-Young;Cho, Seok-Cheol
    • Journal of the Korea Convergence Society
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    • v.10 no.2
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    • pp.309-313
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    • 2019
  • This study examined the response of the EMG of URA, LRA, IO, EO and RFM of various types of abdominal motion (crunch, spine V-up on ball, prone V-up on slide board, prone V-up on TRX, and prone V-up power wheel). The subjects performed anisometric contact of abs during these exercises. Tests have shown that there were no statistically significant differences between EO, URA and LRA between any movements. However, during the inspection of IO, the positive-wawed V-up motion showed significantly greater muscle activity than during the slide movement. Also, EMG activity during crunch was significantly lower than any other five exercises. These results indicate that in the implementation of equilateral absolutism, the equipment-free based exercise gives an impetus similar to equipment-based exercise. Abdominal muscle tissue is considered one of the five components that make up an individual's core. The abdominal muscles also ensure proper functioning of the lumbar spine. Although all abdominal muscles contribute to lumbar stabilization, TA & IO has been shown to perform major stabilizers.