• Title/Summary/Keyword: Physical part

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천연 접착제를 활용한 사찰벽화 화벽층의 충전 재료연구 (Study on the filling material for the painting wall layer of the temple wall painting using a natural adhesive)

  • 김순관;정혜영
    • 보존과학연구
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    • 통권29호
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    • pp.255-278
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    • 2008
  • Considering the physical quality of the wall body in this study we tried to select a replenishing that is proper for filling the cracked part of the painting wall layer and apply the natural adhesives that have traditionally been used, investigating whether it is possible to substitute those for the chemical adhesive which is used at present time. The result of this study showed the red algae adhesive was, in a weathering environment, as safe as the synthetic resin originated from the polyvinyl acetate which is used generally on the present spot, and it was concluded that although the starch adhesive displayed its superiority in enhancing the strength of the earth mortar and its work disposition, it seemed proper for it to be used as a filling adhesive for the first or midterm layer because it showed a surface hardening phenomenon. And also the glue and fish glue were judged they were not qualified as a filling adhesive due to mold occurring in a environment of high moisture that is a biological problem, showing at same time a weak physical feature in a weathering environment. Therefore it would be possible to use the red algae adhesive or starch one substituting them for the original one sold on the present market, if among natural adhesives the weak points of the them were to be corrected.

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경복궁 출토 기와의 자연과학적 조사 연구 - 소주방지, 흥복전지, 함화당지, 집경당지 출토 - (The Scientific Analysis of the roofing tiles excavated at Gyeong Bok Gung)

  • 홍종욱;박지희;이한형
    • 보존과학연구
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    • 통권29호
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    • pp.221-238
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    • 2008
  • Roofing tiles are very important archaeological artifacts which show science, architecture of that time, as well as information about the culture. It has been studied by many researchers steadily, but only focusing on archaeological, art historical and architectural study, so it is very difficult to find natural science research. Gyeongbokgung's roofing tiles were excavated from the ruins of same site, however glaze, body colour and shape of tiles are very diverse with the naked eye. Through natural science research which analyze the chemical composition and physical characteristics of roofing tiles's body and glaze examine the physical and chemical characteristics of each roofing tiles. the result of analazed roofing tiles is following. when roofing tiles were classified by 전암대자율 and chromaticity, each group has part of some matches. When you compare with green gazed traditional brick's glaze of Silla period, Gyeongbokgung roofing tiles have more $Al_2O_3$ and less PbO than Silla period's. We can see the technology of increasing firing temperature is better. and glaze colour depends on content of $Fe_2O_3$ and CuO. A lot of CuO tend to be more blue.

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마이크로비트 기반의 창의 컴퓨팅 교육 프로그램 개발 (The Development of A Micro:bit-Based Creative Computing Education Program)

  • 구덕회;우석준
    • 정보교육학회논문지
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    • 제22권2호
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    • pp.231-238
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    • 2018
  • 소프트웨어 교육이 교육 현장에서 다루어지기 시작했지만 현장 교사가 활용할 수 있는 피지컬 컴퓨팅 교구 및 수업 가이드라인이 부족한 실정이다. 따라서 본 연구에서는 마이크로비트라는 피지컬 컴퓨팅 교구를 활용한 창의 컴퓨팅 교육 프로그램을 제시하였다. 교육 프로그램에 적용된 동시따응발(MDIAP) 교수학습모형은 동기 유발, 시연하기, 따라하기, 응용하기, 발표하기의 5단계로 구성되었다. 교수-학습 과정은 마이크로비트의 기본 센서와 추가적인 센서, 구동장치를 활용한 메이커 학습으로 구성하여 나선형으로 제시하였다. 이러한 일련의 교수 학습 활동을 통하여 학생들의 창의 컴퓨팅 사고력을 키울 수 있을 것으로 기대한다.

성장기 여학생 (12~18세)의 체형 변이 및 체형 분류(제1보) (The Variation and Classification of Somatotype of Female Students Aged from 12 to 18 in Their Growth Period(Part I))

  • 이혜주;함옥상
    • 복식문화연구
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    • 제9권2호
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    • pp.319-332
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    • 2001
  • This study attempts to measure body sizes and somatotypes of 844 female middle and high students girls in their growth period and to investigate characteristics of each of the measured somatotypes. The data used for this study were 50 items of body sizes obtained from anthropometric measurements. The purposes of the study are as follows: 1. to analyze physical characteristics according to age. 2. to extract factors of somatotypes using factor analyses. 3. to classify somatotypes according to physical characteristics using cluster analyses. The study results were as follows: 1. TH anthropometric measurements indicated that three existed collective patterns of somatotypes across Group I(12∼13 years old), Group II(14∼15 years old), and Group III(16∼18 years old). 2. Through factor analyses, 6 factors were yielded from each age group. The cumulative proportions of these factors were 77% for Group I, 75% for Group II, and 72% for Group III. Factor I indicates a horizontal size factor and Factor 2 indicates a vertical size factor. 3. Group I and Group II ere classified into 5 types and Group III was classified as 3 types. In Group I, middle height and a little slim types were most prevalent(28%). In Group II, low height and very slim types were most prevalent(28.9%). Finally, In Group III, low height and slim types were most prevalent(4.6%)

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Effect of Growth Conditions on Saponin Content and Ginsenoside Pattern of Panax ginseng

  • Lee, Mee-Hyoung;Park, Hoon;Lee, Chong-Hwa
    • 고려인삼학회:학술대회논문집
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    • 고려인삼학회 1987년도 Proceedings of Korea-Japan Panax Ginseng Symposium 1987 Seoul Korea
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    • pp.89-107
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    • 1987
  • For the elucidation of significance of saponin as quality criterion of ginseng ginsenoside content(GC) and ginsenoside pattern similarity(GPS) by simple correlation were investigated in relation to red ginseng quality factors, age, plant part, harvest season, mineral nutrition, soil physical characteristics, growth light and temperature, shading material, growth location, physiological disease and crop stand through survey of ginseng plantstions, field experiments, water culture and phytotron experiments. Effect of tissue culture was also reviewed. GC was negatively correlated with good quality of red ·ginseng and positively with bad quality. Age did not show any consistency with GC but GPS was less with the increase of age difference. GPS was less or not significant between taproot that is lowest in GC and epidermis highest, and significant between leaf and taproot. Harvest season marked with the lowest GC and Pattern was also different. Nutrient imbalance, the increase of hazardous soil nutrient and physical condition to growth increased GC, but GPS was little different. The higher the growth lights intensity and temperature the higher the GC but GPS was little changed. Root rust increased GC, but root scab decreased it. Sponge-like and inside cavity phenomena increased GC. Ginsenoside pattern of cultured tissues and rootlet showed great variation. These results strongly indicate that there are optimum saponin content and ginsenoside pattern and that these are accomplished under the optimum growth condition.

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중국 성인 여성의 체형 연구 (제2보) -연령대별 북경과 상해에 거주하는 여성의 체형 비교를 중심으로- (A Study on the Body Types of Chinese Adult Women (Part ll) -With the Focus on the Comparison of the Women Residing in Beijing and Shanghai by the Age Range-)

  • 임순;석혜정
    • 한국의류학회지
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    • 제28권11호
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    • pp.1361-1371
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    • 2004
  • This was a follow-up study to the 'Study on the Body Types of Chinese Adult Women I,' which looked into the body types and classified them into representative body type groups, with the subjects of the women residing in Beijing and Shanghai, and it intends to compare the features of the body types by the residential area of each age range. The results were as follows: 1. The measurements physical items of the women residing in Beijing and Shanghai were compared by the age range, and differences were found in all age ranges. In particular, as the age ranges got higher, the differences in the physical measurements were significant. 2. The comparison of the factor score for the women residing in Beijing and Shanghai by the age range indicated the differences in all the age ranges, and the differences were larger as the age got higher. 3. The comparison of the type distribution for the women residing in Beijing and Shanghai by the age range indicated the differences in their 30's and 40's, while any differences in the type distribution were not found in their 20's.

경호원의 기본기량 향상에 관한 연구 (A Thesis on the Improvement of Basic Skills of Body Guards)

  • 김평섭
    • 시큐리티연구
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    • 제1호
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    • pp.73-98
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    • 1997
  • The thesis suggests the proper ftaining methods and their future direction in order for bodyguards to have a general idea of basic skills of escort and develop them. What is meant by basic skills are the basic abilities of bodyguards for escort indluding physical strength, martial arts, and manipulation of equipment. The equipment in the thesis is confined to guns. The following are the requircments for the training of basic skills; 1, A bodyguard should be careful not to expose any equipment he uses his basic skills so that he does not make others feel uncomfortable. 2. He should be trained to give the safety of the person(s) escorted the first priority. 3. He should have the ability to take care of at least one attacker. 4. He should be trained to be able to evaluate the trend of attacks and keep up with it. Training fo basic skills are divided into three parts-physical training, martial arts and use of equipment. Each part is divided into basic training, applied training, and professional training, which again are integrated in one master training program. Especially, development of equipment which helps to take care of attacker(s) quickly without casualties and learning to use the equipment efficiently will accelerate the improvement of basic skills. The author of the thesis worked for Presidential Security Service for fourteen years and suggests the most efficient, protection-oriented way of training based on his experience.

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사상체질이론의 간호학적 접근 (Nusing Approach of Four Conastitutional Theory)

  • 문희자;정숙자
    • 한국보건간호학회지
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    • 제10권1호
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    • pp.139-154
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    • 1996
  • In nursing, diet considering client's health condition is very important interention to maintin and improve client's health. The purpose of this stude is to verify the effect of dict considering four constituional theory. The sample of this study was the professors and instructors and assistant teacher of department of nusing in K university, The sample was randomized two groups. Both groups was taken pretest. And the one group(experimentl group)' s memberes ate four consitutional foods for 2 monthes which everyone maches his four constitutional theory, After 2 monthes, both groups was taken prottest. In this study, two tools were used, One was C.M.I(Conell Medical Index) checking preson's health state. The other was four consitntional dict tabal which was using the four constitutional department in Kyung Hee Oritental Hospital. Data was analyzed by SPSS. The result was that as follows 1. Both groups was very similary in general characteristics. except marital status. 2. Both groups's physical psychological healthy state were significantly different. especially digestive system, skin. fatigue, past illness part. 3. Physical. psychological health state of experimental group was significantly improved more than that of the control group So I suggest that this study should be repeatly taken on the other groups.

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서울지역 국민학생의 체위 상태와 식생활 양상에 관한 연구 (A Study on the Physical Status of Elementary School Children in Seoul and their Dietary Pattern)

  • 윤훈경;한용봉
    • 한국가정과교육학회지
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    • 제7권1호
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    • pp.133-148
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    • 1995
  • Recently, childhood obesity is increasing in Korea mainly due to westernized dietary pattern. The purpose of this study is to investigate diet pattern(habit and behavior), nutritional knowledge and taste favor in normal and obese children. We carried out anthropometries and self questionaire about life style among the 5th-grader in elementary school(88 boys, 102 girls) in Seoul. The results are as follows : Physical conditions are boys’average hight and weight 142.0cm, 37.5kg ; and girls’143.7cm, 35.6kg. BMI are normal group 38.7% and abnormal group 61.3%(obese 24.2% underweight 16.1% overweight 14.0% very underweight 7.0%) A great part of obese children live in apartment house(79.5% of obese children in southern Seoul; 60.2% in northern Seoul). Obese parents have obese children. Diet behavior, diet pattern, food habit and food preferance of children are similar to their parents, especially their mothers. Preferance in taste of children follows in order of hot, sweet and mild. Especially obese children favor sweet taste more than others. The 61% of them are interested in weight control. Their nutritional knowledges are poor(4.9/10). They like more westernized food(hamberger) than korean food(In-jul-me).

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STEP을 근거로 한 선체화물창부 구조 데이터 모델에 관한 연구 (A Study on the Ship Cargo Hold Structure Data Model Based on STEP)

  • 박광필;이규열;조두연
    • 한국CDE학회논문집
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    • 제4권4호
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    • pp.381-390
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    • 1999
  • In this study, a pseudo ship structure data model for the :.hip cargo hold structure based on STEP is proposed. The proposed data model is based on Application Reference Model of AP218 Ship Structure which is the model that specifies conceptual structures and constraints used to describe the information requirements of an application. And the proposeddata model refers the Ship Common Model framework for the model architecture which is the basis for ongoing ship AP development within the ISO ship-building group and the ship product definition information model of CSDP research project for analyzing the relationship between ship structure model entities. The proposed data model includes Space, Compartment. Ship Structural System, Structural Part and Structural Feature of cargo hold. To generate this data model schema in EXPRESS format, ‘GX-Converter’was used which enables user to edit a model in EXPRESS format and convert schema file in EXPRESS format. Using this model schema, STEP physical file containing design data for ship cargo hold data structure was generated through SDAI programming. The another STEP physical file was also generated containing geometry data of ship cargo hold which was extracted and calculated by SDAI and external surface/surface intersection program. The geometry information of ship cargo hold can be then transferred to commercial CAD system, for example, Pro/Engineer. Examples of the modification of the design information are also Presented.

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