• 제목/요약/키워드: MARK3

검색결과 802건 처리시간 0.026초

치기공과 임상실습 평가항목의 내용구성과 배점에 관한 연구 - 재학생 중심으로 - (A Study on Content Organization and Assigning Score of Evaluation Elements of Clinical Practice of Dept. of Dental Technology - Centering on the undergraduates -)

  • 이화식;배봉진;박명호
    • 대한치과기공학회지
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    • 제30권1호
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    • pp.73-82
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    • 2008
  • This study has been analyzed to write an ideal training evaluation table after analyzing validity of content organization and assigning score of evaluating elements of clinical practice of Dept. of dental technology. 220 junior students who are studying dental technology in D university in Daegu were questioned to analyze the relationship of content organization and score of clinical practice evaluation table. The corrected material has been inspected by SAS V8 for Windows. The results are as following. 1. The validity of content organization of clinical practice evaluation table has a result which can be reliable over than 70% but the validity of score shows low reliance. c 2. The validity of content organization of detail elements of clinical practice evaluation shows that overuse of material and attentiveness(3.78) and responsibility (3.60) are high response but in score organization, the validity shows that safety measure(2.36) when controling machines, arrangement(2.98) after use and ability (2.98) of solving problems are very low. 3. In the elements without interpersonal relation, it shows that those are related to each other. its grading is p < 0.01 so it appears to be meaningful. 4. In result of analyzing the effect to 'studying amount' mark in clinical practice evaluation mark, it appears the element of attitude for job to affect it. And in result of analyzing the effect to 'training attitude' mark, it appears the element of 'controling machines' to affect it. For these results, to be a better evaluation tool, it should be modified by continuous research with arranging evaluation elements to be marked differently in between elements.

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TRIGA Mark-III 원자로의 노심특성계산 (Calculation of Nuclear Characteristics of the TRIGA Mark-III Reactor)

  • Chong Chul Yook;Gee Yang Han;Byung Jin Jun;Ji Bok Lee;Chang Kun Lee
    • Nuclear Engineering and Technology
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    • 제13권4호
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    • pp.264-276
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    • 1981
  • TRIGA Mark-III 원자로의 핵특성을 실제운전상태와 유사하게 모사할 수 있는 해석절차를 개발하였다. 계산에 사용한 전산코드는 다군중성자확산 연소계산코드인 CITATION이고 채택한 중성자에너지군의 수는 TRIGA형 원자로에서 일반적으로 사용하는 7군(고속영역 3, 열영역 4)이다. 직접적인 3차원 계산이 현실적으로 불가능하므로 평면 2차원계산과 원통형 2차원 계산으로 3차원 효과를 기하였다. 연구로와 같이 노심이 작은 원자로에 대하여는 중성자평형에서 buckling에 의한 효과가 매우 크기 때문에 이를 정확하게 나타내는 방법의 개발에 중점을 두었다. 본 연구에서는 에너지군 또는 영역에 무관한 buckling을 중성자 수송이론으로 산출하는 전형적인 방법을 사용하지 않고 중성자 확산이론으로서 에너지군별, 영역별 buckling을 산출하였으며, 이를 이용하여 수행한 노심계산의 결과는 만족스러웠다. 계산시 노심은 원자로수조의 중앙부에 있는 것으로 하고 제어봉은 완전히 인출되었으며 동위원생산용 조사시료는 없는 것으로 가정하였다. 계산결과로서 연소에 따른 초과반응도가의 변화, 운전이력에 따른 Xe-135 독작용의 변화, 회전조사시료대의 반응도가를 산출하고 이를 실제 운전자료와 비교하였다. 또한 중성자속 및 출력분포, 노심 각 조사시설에서의 중성자 스펙트럼등에 대한 계산결과도 제시하였다.

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Neutronics analysis of TRIGA Mark II research reactor

  • Rehman, Haseebur;Ahmad, Siraj-ul-Islam
    • Nuclear Engineering and Technology
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    • 제50권1호
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    • pp.35-42
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    • 2018
  • This article presents clean core criticality calculations and control rod worth calculations for TRIGA (Training, Research, Isotope production-General Atomics) Mark II research reactor benchmark cores using Winfrith Improved Multi-group Scheme-D/4 (WIMS-D/4) and Program for Reactor In-core Analysis using Diffusion Equation (PRIDE) codes. Cores 133 and 134 were analyzed in 2-D (r, ${\theta}$) and 3-D (r, ${\theta}$, z), using WIMS-D/4 and PRIDE codes. Moreover, the influence of cross-section data was also studied using various libraries based on Evaluated Nuclear Data File (ENDF/B-VI.8 and VII.0), Joint Evaluated Fission and Fusion File (JEFF-3.1), Japanese Evaluated Nuclear Data Library (JENDL-3.2), and Joint Evaluated File (JEF-2.2) nuclear data. The simulation results showed that the multiplication factor calculated for all these data libraries is within 1% of the experimental results. The reactivity worth of the control rods of core 134 was also calculated with different homogenization approaches. A comparison was made with experimental and reported Monte Carlo results, and it was found that, using proper homogenization of absorber regions and surrounding fuel regions, the results obtained with PRIDE code are significantly improved.

중학생의 여가활동유형과 생활만족도간의 관계 연구 (The Relationships between Patterns of Middle School Students' Leisure Activities and Life Satisfaction)

  • 최미숙;최동숙
    • 한국가정과교육학회지
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    • 제15권1호
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    • pp.1-14
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    • 2003
  • This study was designed to contribute for improvements of middle school students' quality of life and to Present materials necessary for applying leisure activity Programs for them through an analysis of the patterns of the leisure activities and life satisfaction .For the statistical analysis. Cronbach α. t-test. ANOVA. Duncan's multiple range test were calculated. The Participants were 515 second glade students of middle school in Kangwon Province . The findings can be summarized as follows. 1) The average point of patterns of the subjects participating in leisure activities was 2.38. and activities. which are associated with computers. accounted for 3.35. the highest mark among the various patterns. 2) The patterns of the subjects' leisure activities varies significantly with sociodemographical variables such as sex. location. level of living. pocket money. and leisure expenditure Such factors as leisure time in weekends and the degree of interest in leisure made a significant difference in the patterns of leisure activities .3) The average Point of subjects life satisfaction was 3.49. and their family life satisfaction reached to 3.81 the highest mark. And the Patterns of leasure activity had a Positive relationship with the subjects' life satisfaction. consisting relatively low correlation. However, the more the subjects take Part in leasure. the more they were satisfied with life.

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양도락(良導絡) 연구동향(硏究動向)에 관한 문헌(文獻) 고찰(考察) (A Review Study on Ryodoraku Study Trend)

  • 김규태;김동훈;박영재;김정국;박영배
    • 대한한의진단학회지
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    • 제9권1호
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    • pp.69-83
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    • 2005
  • Background and purpose: The purpose of this study is to review the recent achievements on ryodoraku and suggest new ryodoraku studies. Methods: The study papers related with ryodoraku, published in foreign countries and Korea up to the present, were collected first by internet search & journal. And then the collected papers were classified and summarized. Results and Conclusion: There are three study trends. One is finding some effect and analysis for some symptoms, another is finding a distinguishing mark and a diagnostic index, and the other is raising several points & providing solution & studying about relativity with another diagnosis. Some studies finding some effect and analysis for some symptoms are to be classified into four items(1. effect of drugs medication. 2. effect of ryodoraku therapy. 3. effect of other treatments. 4. effect of other treatments with ryodoraku therapy). Other studies finding a distinguishing mark and a diagnostic index are to be classified into two items(1. diagnostic index of symptoms. 2. distinguishing mark of disease). The other studies are to be classified into three items(1. ryodoraku introduction and raising several points at issue. 2. improvement machinery and tools. 3. studying about relativity with another diagnosis). Finally we need solving the ryodoraku problems(the condition of measurement and reproducibility, relation with Kyung-rak(經絡) and Ryodoraku, the reason of Ryodoraku points producing and etc.).

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EMFG의 개선된 동작해석 알고리즘 (The Enhanced Analysis Algorithm for an EMFG's Operation)

  • 김희정;여정모;서경룡
    • 정보처리학회논문지A
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    • 제9A권3호
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    • pp.371-378
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    • 2002
  • EMFG(Extended Mark Flow Graph)는 이산시스템을 표현하는데 유용한 그래프 도구로 알려져 있다. 본 연구에서는 EMFG에서 각 트랜지션이 점화하였을 때의 입출력 박스의 마크 변화량을 입출력 행렬로 표현하였고, 이를 사용하여 EMFG의 접속행렬을 구하였다. 점화가능벡터를 구하기 위하여 각 트랜지션의 점화조건을 점화조건행렬로 표현하였으며, 각 트랜지션의 점화완료 상태를 판단하기 위하여 점화완료벡터를 도입하였다. 이들을 사용하여 EMFG의 모든 동작과정이 수학적으로 해석될 수 있도록 EMFG의 동작해석 알고리즘을 개선하였다. 제안된 알고리즘을 정회전과 역회전을 반복하는 시스템에 적용하여 알고리즘이 올바르게 동작하는 것을 확인하였다. 제안된 알고리즘은 다양한 이산 시스템을 분석하는데 유용하다.

건강증진프로그램을 이용하는 도시지역 여자노인의 식행동 및 영양상태 (Dietary Behavior and Nutritional Status of the Elderly Women Attending at the Health Promotion Program in an Urban Community)

  • 권진희;윤희정;이재무;이성국
    • 대한지역사회영양학회지
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    • 제7권6호
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    • pp.814-823
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    • 2002
  • This study was conducted to evaluate the nutritional status of the elderly women, who attended the Health Promotion Program of the Seogu Health Center in Daegu. The study subjects were 158 elderly women in an urban community. The general characteristics, dietary behavior (nutritional knowledge, nutritional attitudes and dietary habits), food and nutrient intake were surveyed by an individual interview. The average age of the study subjects was 70.9 $\pm$ 2.3 years of the subject group 79.1% ranged in age from 65 to 74 years and 20.9% were over 75 years. Their average score for nutritional knowledge, nutritional attitudes and dietary habits was 7.3 (total mark of 10), 7.2 (total mark of 10) and 9.1 (total mark of 22) respectively. Specifically, the level of the dietary habits of the study subjects was very low. In relation to food group intake of the study subjects according to age, their food intake was low. The total, plant. and animal food intake were 1078.9 g, 954.4 g (88.5%), and 244.4 g (11.5%), respectively. The mean daily energy intake and nutrient intake according to percentage of the Korean RDA were higher in the from 65 to 74 year group than in those people over 75 years. The average calories and the mean percentage of nutrient intake, except for vitamin C and phosphorus. were below 75% of the Korean RDA. It seems that the nutrient intake was very low. The mean nutrient adequacy ratio (MAR) was 0.59. Nutritional status of age over 75 years old was significantly lower than that of 6574 years old group (Mar = 0.60 VS 0.54, p < 0.05) The correlation coefficients between their dietary behavior (nutritional knowledge, nutritional attitudes, dietary habit) and their mean nutrient adequacy ratio (MAR) showed significant linear relations. In conclusion, if nutritional education is to affect the dietary behavior of elderly women, it should be included in a Program to Promote their nutrition and health status.

국민학교 교사들의 영양지식과 식습관 및 영양태도에 관한 조사연구 (A Study on the Nutritional Knowledge, Eating Habits and Nutritional Attitudes of Elementary School Teachers)

  • 유영상
    • 대한가정학회지
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    • 제33권3호
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    • pp.193-205
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    • 1995
  • This study was designed to observe the degree of nutritional knowledge, eating habits and nutritional attitudes of elementary school teachers in Seoul. Two hundred seventy eight teachers were examined on questionnaire I October. 1994. The results of this study are summarized as follows. 1. 82.7% of the subjects were not experienced the nutrition education after graduated. They had information about nutrition through the newspaper and magazine and only 26.4% of the subjects reflected in their daily lives the nutrition information. 2. More than 65% of the subjects took a regular meal and above 90% of the subjects took korean food style as breakfast and dinner and 71.5% of the subjects ate mixed food such as barley or bean. 3. 693% of the subjects pointed out the problem of meal pattern such as overeating, too salty and hot, and irregular meal time. 4. The average score of their nutritional knowledge was 21.88(the highest mark was 30.00) and related to the sex, age, monthly total income, the length of career in school lunch program. 5. The average score of their eating habits was 8.65(the highest mark was 16.00) and related to the sex, the number of family, monthly total income, the length of career in school lunch program. 6. The average score of their attitude toward the nutrition was 26.83(the highest mark was 45.00) and related to the only age. 7. Nutritional knowledge had positive correlation with their eating habits and nutritional attitude. Eating habits had positive correlation with nutritional attitudes, too. In this study, the subjects was poor in nutritional knowledge, attitude and eating habits. It is necessary to develop the nutrition education program to make us recognize the importance of nutrition and health.

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