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A study on increasing KTX operation efficiency of long-distant transportation methods in Korea (고속철도 운영효율성 분석)

  • Lee, Yon-Jai;Oh, Tae-Wan
    • 한국벤처창업학회:학술대회논문집
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    • 2007.04a
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    • pp.125-152
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    • 2007
  • Last 1970's Korea opened the Kyoung-bu highways from Seoul to Pusan, and Korea government had change the transportation policy to focusing on the road and motors. but 1990's Korea had been the heavily traffic jam in long distant transportation system and logistics. That's why Korea government studied on feasibility survey of High-speed train. As the KTX opens, traffic networks covering large areas in Kyeongbu-line(Seoul-Daejeon-Busan) are expected to raise synergy effects in economics as well as in korean culture respects. Having been playing an important transportation role in Korea for the last 106 years. With opening of the high speed railway, KORAIL in inevitable to make a drastic reform. To achieve this purpose, it is necessary that KORAIL bas to be small and effective streamlined organization. In should increase traffic capacity by improving infra facilities. It need to also expand its internal functions by connecting the KTX with the conventional railroad system.

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A Study on Developing a Patient Gown for Spinal Surgery Patients - Focusing on Female Patients - (척추 수술 환자를 위한 환자복 개발에 관한 연구 - 여성 환자들을 중심으로 -)

  • Park, Jeong-Eun;Nam, Young-Ran;Choi, Hei-Sun
    • Journal of the Korean Society of Costume
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    • v.62 no.7
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    • pp.205-219
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    • 2012
  • The purpose of this study is to develop comfortable patient gown for spinal surgery patients. The results of the survey confirmed inconveniences and problems with the current gown, and a new gown style was recommended. The recommended changes addressed design, pattern, and materials. The final experimental design for the top of the new patient gown is a wrap style that moves the center opening of the gown to the side and enables patients to control the length of the sleeves by attaching two snaps. The cutting line is aligned with the back brace location, and the issue of repeated bunching of the gown material by the brace was solved by substituting 100% knitted structure fiber. The sleeve length can be adjusted with snaps on the sleeve cap and hem. When lifting up the gown for treatment on specific areas of the body, doctors open the edge of the right side of the gown in order to lift up the top. The bottom of the new patient gown was made from 100% cotton knitted structure fiber, and it enables patients to control the length of pants by attaching two snaps on the side. The results of an on-site dressing suitability evaluation and a flexibility evaluation with respect to dressing/undressing indicated that the new patient gown was much better received than the existing gowns (A and B). Our hypothesis regarding new patient gowns was supported in both the fit and design categories.

Emission Plasma Spectroscopy of High-pressure Microdischarges

  • Lee, Byeong-Jun;Ju, Yeong-Do;Kim, Seung-Hwan;Ha, Tae-Gyun;Gong, Hyeong-Seop;Park, Yong-Jeong;Park, Jong-Do;Nam, Sang-Hun
    • Proceedings of the Korean Vacuum Society Conference
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    • 2014.02a
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    • pp.253.2-253.2
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    • 2014
  • Micro hollow cathode discharges (MHCDs) are high-pressure, non-equilibrium discharges. Those MHCDs are useful to produce an excimer radiation. A major advantage of excimer sources is their high internal efficiency which may reach values up to 40% when operated under optimum conditions. To produce strong excimer radiation, the optimisation of the discharge conditions however needs a detailed knowledge of the properties of the discharge plasma itself. The electron density and temperature influence the excitation as well as plasma chemistry reactions and the gas temperature plays a major role as a significant energy loss process limiting efficiency of excimer radiation. Most of the recent spectroscopic investigations are focusing on the ultraviolet or vacuum ultraviolet range for direct detection of the excimer. In our experiments we have concentrated on investigating the micro hollow cathodes from the near UV to the near infrared (300~850 nm) to measure the basic plasma parameters using standard plasma diagnostic techniques such as stark broadening for electron density and the relative line intensity method for electron temperature. Finally, the neutral gas temperature was measured by means of the vibrational rotational structures of the second positive system of nitrogen.

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The Development of Multimedia Nutrition Education Program for Preschoolers (미취학 아동의 영양교육을 위한 멀티미디어 개발에 관한 연구)

  • Oh Yu-Jin;Kim Dong-Sik
    • Korean Journal of Community Nutrition
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    • v.11 no.3
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    • pp.338-345
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    • 2006
  • The purpose of this study was to design an interactive multimedia nutrition education program for preschoolers. Computer technology provides the opportunity to explore new and creative methods of delivering nutrition education to pre-schoolers. If this method is effective, more preschoolers can be reached with accurate and consistent nutrition education with less time and teaching staff. This program is a computer-based multimedia nutrition education program for pre-schoolers based on the Dick and Carey (Dick & Carey 2001) model of instructional design which includes analysis, design, development, and evaluation. The overall instructional goal was based on the needs of the target population. The needs assessment was a self-administered survey distributed to 1,426 parents of preschoolers, focusing on the need for preschoolers' nutrition education. The results of the survey indicated that parents wanted their children to learn reasons for eating nutritious food. Therefore, a program titled 'Nutrition Exploration' was developed with the instructional goal of teaching preschoolers the 5 Food Groups. To achieve this goal, the preschoolers were engaged in a game. They could earn colored jewels by completing the game in five sessions. The story line was that people living in a peaceful kingdom become sick after they lose the jewels. The learner takes an adventurous journey through five different countries to retrieve the jewels. These countries are 'Giwoon nahrah' (foods containing carbohydrates, such as rice and potatoes), 'Sangsang nahrah' (foods that are rich in vitamins and minerals, such as vegetables and fruits), 'Sooksook nahrah' (calcium-con-taming products such as milk), 'Teunteun nahrah' (protein-containing foods such as meat and fish) , and 'Gakeum nahrah' (products with high sugar and fat content, such as instant foods and soda). The learner who obtains five jewels in five different countries can save the kingdom. For the program to be effective and efficient, the multimedia had to be easy for the preschooler to enter, use, and exit. The verbal instructions enhanced child autonomy, and the program was developmentally appropriate so that the young child could easily manipulate the software. This research provides the basis for the continued development of computer-based nutrition education materials.

Design Edrcation of Elementary School in the Unite States-Design Principles, Color, and Design Related Area- (미술 교과서에 나타난 미국 초등학교 디자인 교육에 관한 고찰-조형 원리, 색채 및 분야별 디자인 교육을 중심으로-)

  • 박은덕
    • Archives of design research
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    • v.14
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    • pp.43-51
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    • 1996
  • To analyze the design education of elementary school in the united states, the content of Discover art, one of the popular art textbooks for elementary school student, has been examined. Focusing on the developmental stage and sequential curriculum across all grades, design principles, color and criteria of design are investigated. The subjects studied are as follows: an introduction of new word or concept of design principles and color, repetition of the learning, the number of color taught, looking at products of design and making design at each grade level. The curriculum of design principles is well composed, but line, shape and form parts are redundant throughout all grades. The learning order of the color at one grade is well organized but the repetition is too much. The portion of design part is too small. It is adequate that the history of design is introduced at grade 5 where children start to learn history. However, it should be more strengthened for the continuous development of design ability. Looking at product design is introduced before grade 4, and making product design is taught just once at grade 4, although sequential learning is necessary in late elementary grades.

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The Impact of Functionalism on Changes of Women's Sportswear - Focusing on the first half of the 20th century - (기능주의가 여성 스포츠웨어 변천에 미친 영향 - 20세기 전반기를 중심으로 -)

  • Lee, Yu-Kyung
    • Journal of the Korea Fashion and Costume Design Association
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    • v.12 no.4
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    • pp.43-59
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    • 2010
  • In the first half of 20th century, there was an abrupt change in society and social values. Therefore, a demand for functional women's sportswear started to increase. This paper has attempted to investigate the impact of functionalism on women's sportswear in the first half of the 20th century. The following results were obtained: First, anti-tradition was observed. There was a tendency to be separated from the past and against tradition. It was tried to pursue freedom, getting away from corset and petticoat. Second, structural functions were targeted. In other words, precise and efficient shapes and simple silhouette and line were emphasized. Third, fitness of purpose was found. More liberal and comfortable design has been targeted. That's why a variety of functional pants have been designed instead of skirts. Fourth, utility and practicality were found. Elastic fabrics such as wool and jersey and sweater have commonly used in sportswear. A variety of new fabrics have been used and details such as flare, slit and pleats have been designed. Lastly, non-ornamentality was found. The beauty of simple shape was pursued by omitting details or eliminating unnecessary ornaments. Monochrome and dark color were preferred and a use of accessories has declined. The result of this paper could be used in establishing a theoretical framework on the impact on social change, values and art and helpful In modern women's sportswear design and marketing which have become more important.

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A Study on the Fitness Evaluation to Korean Manufactured Apparels for the Chinese Women - Focusing on the Tailored Jacket and Slacks - (중국(中國) 여대생(女大生) 대상(對象) 한국의류제품(韓國衣類製品)의 맞음새 평가(評價) - 테일러드 재킷과 슬랙스를 중심(中心)으로 -)

  • Chang, Hee-Kyung;Sohn, Hee-Soon;Lim, Soon;Kim, Young-Sook
    • Journal of Fashion Business
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    • v.5 no.1
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    • pp.145-156
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    • 2001
  • The purpose of this study was to improve the fitness of Korean manufactured apparel products being exported to China and to provide for the basic data useful to the development of a torso prototypes for the Chinese women. For this purpose, Chinese college women aged between 18 and 24 were sampled to test the fitness of the Korean manufactured apparels for the Chinese women sample and address the problems of unfitness and thereupon. The results of this study can be summarized as follows; As a result of testing the fitness of the Korean manufactured apparels for the Chinese women, it was found that Chinese women felt more or less comfortable for the front of the jackets, but felt less comfortable with their side and back. Such a finding suggests that the Chinese women's postures are more turned back than the Korean women's. And also for the slacks, lack of a crotch length causes unnecessary pulls and creases from the back part to the crotch of a pair of slacks and the side line was not suitably placed. For this reason, the differences between the body shapes of Chinese and Korean women should be thoroughly considered when drawing the patterns to export to China.

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Development of a High Value Added Knit Structure for Middle-aged Women (중년여성을 위한 고부가가치 니트 조직 개발)

  • Lee, Insuk;Kim, Jiyoung
    • Journal of Fashion Business
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    • v.18 no.2
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    • pp.148-165
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    • 2014
  • The purpose of this study is to establish a theory about the necessary structure for knitwear design, and to propose it with the practical data through the actual development of a high value added knit structure. For this study, the market was conducted along with literature reviews on the existing studies and the relevant books about knit structures. The market research aimed at the products released in the spring/summer and fall/winter seasons of 2012-2013, focusing on brand for middle aged women. The utilization of the structure by item and the characteristics of knit design were studied. The research was conducted on S/S products in May and July, and F/W products in October and December. As a result of the market research, it was shown that the lightweight structures with permeability such as plain, lace, links and links, this is repeated and rib structure were frequently utilized during the S/S season, while double structures with good shape stability were greatly utilized during the F/W season. Also, during the F/W season, a cable structure and tubular jacquard that emphasized the volume or cubic effect were frequently used, and there were many jacquard structures where a change of color sense and motive were added. Concerning the knit structures development, the researcher designed the knit structure at the actual production site of the knit fashion. A total of 5 pieces of knit structures were developed by asking a professional for programming and knitting. To the developed structures, the study added a multi-gauged effect, herringbone transformation effect, 3-dimensional surface effect, color effects, geometric patterns, lace penetration effect, and soft surface effect in a water-drop shape. In addition, the structures had differences in the added values by mixing various structures and diversely expressing color sense on the knitting line. This study proposes the direction for 21st century knitwear product design, through the development of a high value added knit structure.

The Extraction of Railroad Alignment Information Using Digital Imagery (디지털 영상을 이용한 철도선형정보 추출)

  • Seo, Dong-Ju;Kim, Joung-Won
    • Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
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    • v.24 no.5
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    • pp.399-408
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    • 2006
  • Railroads have been developed as public transportation and made a great contribution to national economic growth. But after the mid-20th century, its qualities have been getting low because of focusing on the investment and development of cars and airplanes. Its role which is getting the excellent merits on the mass transportation, rapid transit, safety, state period, energy efficiency, and prevention of environmental pollution has been reconsidered. Elements of horizontal alignment are needed in the case where the existing railroad lines should be improved or moved. If its design drawing was lost or damaged, it is impossible to recover. It is not easy to repair for it as disasters. We must understand an existing railroad line to bring a function included a basic geography situation. In this study, we acquire, analyze, and process the digital images of the railroad and then reappear shape of three dimension. And we expect to be utilized to construct the facility information by extracting the alignment elements of existing railroad lines reversely.

Teachers' Participation and Mealtime Instruction in the Food Service at the Kwanak-gu Child-care Centers: Comparison between Child-care Teachers Caring Different Age Groups, Children Younger than Three Years and Those Three Years or Older (관악구 보육교사의 배식서비스 참여 및 식사지도 실태 : 영아반과 유아반의 비교)

  • Yeoh, Yoonjae;Kwon, Sooyoun;Yoon, Jihyun
    • Korean Journal of Community Nutrition
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    • v.18 no.2
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    • pp.112-124
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    • 2013
  • This study was conducted to investigate how child-care teachers participate, practice mealtime instruction, and perceive difficulties in food service, focusing on comparison between the teachers caring two different age groups: children younger than three years (Younger Group) and those three years or older (Older Group). Questionnaires were distributed to 151 child-care centers in Kwanak-gu, Seoul, Korea during December, 2011. Only the data from 25 child-care centers, where two respective teachers in charge of Younger Group and Older Group completed the questionnaires, were analyzed. The results showed that there was no difference in terms of child-care teachers' participation in food service practice between the two groups, except for serving method; 'Pre-plated' serving was used significantly more often in Younger Group, whereas 'Line-up' serving was used in Older Group. Approximately, three quarters of the child-care centers had policies or guidelines on mealtime instruction. During mealtime, child-care teachers tended to use frequently verbal instructions such as "sit up straight when you eat" about eating manner, "don't be picky with your food" about eating habit, and "wash your hands before eating" about eating procedure in both the groups. There was no statistically significant difference regarding child-care teachers' perceived difficulties in food service between the two groups. These results indicated that child-care teachers' participation and mealtime instruction in food service did not differ between the two age groups, although children's development of digestion and eating skill differed by age. Therefore, training should be provided to child-care teachers about food service practices and mealtime instruction appropriate to children's age.