• Title/Summary/Keyword: Internal evaluation

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Evaluation of Internal Stress and Dislocation Velocity in Creep with 25Cr-20Ni Stainless Steels (25Cr-20Ni계 스테인리스강의 크리프 변형중 내부응력과 운동전위밀도의 평가)

  • Park, In-Duck;Ahn, Seok-Hwan;Nam, Ki-Woo
    • Proceedings of the KSME Conference
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    • 2004.04a
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    • pp.296-301
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    • 2004
  • By the purpose to investigate the change of internal stress and mobile dislocation density in creep, the stress relaxation test is carried out in the condition of each strain. Mobile dislocation density increased until it reached minimum creep rate and after that, it decreased and internal stress didn't have the change approximately until it reached minimum creep rate and after that, it decreased. The stress relaxation rate is fast and approached zero after 1.5 seconds after the beginning of the stress relaxation. And the larger the applied stress is, the larger the internal stress is. By the evaluation of mobility of dislocation, the dislocations glide viscously in STS31OJlTB but it is the dislocations glide viscously which N passes by cutting Cr atom rather than typical viscosity movement after calculating mobility of dislocation.

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Evaluation of Non-Timber Forest Functions in the Research Forest of Kangwon National University Using GIS and Questionnaire Analysis (GIS와 설문분석에 의한 강원대 학술림의 비목재생산기능 평가)

  • Choi, Sang Hyun;Kim, Jin Kug;Woo, Jong Choon
    • Journal of Forest and Environmental Science
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    • v.29 no.1
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    • pp.99-108
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    • 2013
  • This study was conducted to evaluate the non-timber forest functions of the Research Forest area of Kangwon National University. In this study, forest recreation function was investigated through survey method answered by forest management experts. The evaluation factors for forest recreation function were separated into external and internal factors. Each factor was classified into intermediate element and detailed element. Therefore in this study, the evaluation factors of forest recreation function were divided into two groups which are the potential of external factors and the suitability of internal factors. Potential of the external factors were divided into accessibility, location, landscape and induction factors while the suitability of internal factor was divided into stand structure, forest structure and human impact. The priority of the potential of external factors was in order that location, accessibility, induction factors and landscape. The most important factors for the location, accessibility, induction and landscape factors are based on regional characteristics.

Types of Consumer Responses to Price Based on Price Search (의복구매 의사결정과정의 가격탐색에 따른 가격반응 유형)

  • Yoon, Nam-Hee;Rhee, Eun-Young
    • Journal of the Korean Society of Clothing and Textiles
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    • v.34 no.8
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    • pp.1403-1414
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    • 2010
  • Consumer decisions and responses about the price to pay vary. Some consumers might decide the appropriate price range prior to shopping, while others compare and evaluate prices. Especially, consumers can have different reference points for price evaluation based on various price searching behavior that represent heterogeneous responses for prices in the clothing purchase decision-making process. This research identifies how consumers evaluate the price and helps explain their decision-making based on price searches. By analyzing qualitative research, we found that consumers recalled price information as a representative indicator and product level price information through the internal search. Their level of internal references can be an important factor affecting price evaluations. In addition, each consumer groups were subdivided into high and low external searching. The four types of responses to price were classified in the price search process and the identified differences in the price evaluation. Therefore, pricing strategy needs to be differentiated for these various consumer types.

Developing a Standardized Patient Program using Internal Damage Fever Cases in Korean Medical Education (한의학 교육에서 내상발열(內傷發熱) 증례를 이용한 표준화환자 프로그램 개발 연구)

  • Jo, Hak-jun;Jo, Na-young
    • Journal of Korean Medical classics
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    • v.33 no.4
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    • pp.33-56
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    • 2020
  • Objectives : The objective of this paper is to develop a standardized patient program with a focus on diagnosis and treatment of internal damage fever in Korean Medical education. Methods : First, cases of diagnosis and treatment of internal damage fever were collected from various classical texts, then a module was developed according to pre-existing standardized patient program's protocols based on selected cases. Careful consideration was given to developing evaluation criteria on history taking and physical examination that are necessary to accurately differentiating the 9 types. Results : Nine types of differentiation models on internal damage fever were selected, which are qi deficiency from overexertion/fatigue and famish; blood deficiency from overexertion/fatigue, famish and fullness; fire stagnation from excessive eating and cold foods; food damage; yang deficiency; yin deficiency; phlegm; stagnated blood; liver qi stagnation. For each type, evaluation criteria in regards to history taking, physical examination, communication with patient, and patient education were developed. Conclusions : When developing a standardized patient program using internal damage fever cases, it would better reflect the characteristics of Korean Medicine in clinical education of Korean Medicine if the program is based on classical texts. It would also be useful in evaluating students' graduation competence in exams such as CPX.

The Impact of Hospital Selection Factors between Internal and External Customers on Hospital Image (내·외부고객의 병원선택요인이 병원이미지에 미치는 영향)

  • Lee, Hyun Sook
    • Health Policy and Management
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    • v.23 no.3
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    • pp.281-288
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    • 2013
  • Background: The purpose of this study is to grasp the factors forming hospital image and to measure evaluation of internal and external customers towards hospital choice factors. Methods: This study is based 4 types of choice factor such as physical, human, accessibility, and connection. Data were assessed using 98 patients and 96 internal employees who work at A general hospital in Seoul and 116 patients and 97 internal employees at B general hospital in Chunkcheongbuk-do. Data were collected with self-administered questionnaires from February 17 to April 29 in 2012 and analyzed SPSS ver. 18.0 by using frequency, t-test, analysis of variance, correlation, and multiple regression. Results: The results of this study show that factors affecting hospital image is significant different between internal and external customers of hospital A and B. Expecially the finding of this study will be applied to improve connection factors in administrative department of hospital for hospital image. Conclusion: This study presents primary data for correct decision making to authorities of local hospitals that have concern about marketing strategy for hospital image.

Internal evaluation of provisional restorations according to the dental CAD/CAM manufacturing method : Three-dimensional superimpositional analysis (치과 CAD/CAM 가공방식에 따른 임시보철물의 내면 적합도 : 3차원 중첩 분석)

  • Kim, Jae-Hong;Kim, Ki-Baek
    • Journal of Technologic Dentistry
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    • v.41 no.2
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    • pp.81-86
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    • 2019
  • Purpose: The purpose of the present study was to compare the internal fit of two different temporary restorations fabricated by dental CAD/CAM system and to evaluate clinical effectiveness. Methods: Composite resin tooth of the maxillary first molar was prepared as occlusal reduction(2.0mm), axial reduction(1mm offset), vertical angle(6 degree) and chamfer margin for a temporary crown and duplicated epoxy die was fabricated. The epoxy dies were used to fabricate provisional restorations by CAD/CAM milling technique or 3D-printing technique. The inner data from all crowns were superimposed on the master die file in the 'best-fit alignment' method using 3D analysis software. Statistical analysis was performed using a Wilcoxon's rank sum test for differences between groups. Results: It showed that the internal RMS(Root Mean Square) values of the additive group were significantly larger than those of other group. No significant differences in internal discrepancies were observed in the temporary crowns among the 2 groups with different manufacturing method. Conclusion: All the groups had the internal fit within the clinical acceptable range (< $50{\mu}m$). The continuous research in the future to be applied clinically for the adaptation of additive manufacturing technique are needed.

Development of Non-destructive Evaluation Method for Composite Structures using Tapping Sound (타격음을 이용한 복합재료 구조물의 비파괴 검사법 개발)

  • 황준석;김승조
    • Composites Research
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    • v.17 no.1
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    • pp.1-9
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    • 2004
  • A new non-destructive evaluation method using tapping sound is proposed. This method, named Tapping Sound Analysis, is using the difference between tapping sound data of healthy structure and defective structure as the criteria of determination of internal defect of composite structure. For the characterization of tapping sound, a feature extraction method based on wavelet packet transform is proposed. And a feature index is defined for the decision of existence of internal defects. To prove the possibility of proposed method as a non-destructive evaluation method, experimental study is performed. The tapping sound data of healthy structure and defective structure are measured and compared based on the proposed decision method. The experimental results showed that the feature index is a good indicator for the determination of internal defects.

Evaluation of Lighting Performance of Mixed Type Light-shelf in Residential Space According to Angular Variations (주거공간의 혼합형 광선반 각도 변화에 따른 채광성능 평가)

  • Chae, Woori;Lee, Heangwoo;Seo, Janghoo;Kim, Yongseong
    • Korean Journal of Air-Conditioning and Refrigeration Engineering
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    • v.26 no.9
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    • pp.424-433
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    • 2014
  • The purpose of this study is to evaluate the effectiveness in the lighting performance of mixed type light-shelf, by comparing and analyzing the internal light-shelf, external light-shelf, and mixed-type light-shelf. The performance of light-shelf was evaluated according to the angle of light-shelf at summer solstice, winter solstice, vernal equinox, and autumn equinox. The comparative analysis between the internal light-shelf, external light-shelf, and mixed-type light-shelf was carried out using the performance evaluation and analysis method. The result of performance evaluation is shown as follows. The mixed type light-shelf showed the highest lighting performance all at summer solstice, winter solstice, vernal equinox, and autumn equinox, followed by the external light-shelf and the internal light-shelf in the same order. The mixed type light-shelf was the most favorable for bringing daylight to indoors by adjusting the angle of light-shelf, and it also showed the highest lighting performance in terms of uniformity ratio of illumination which indicates the quality of light.

The Effects of Internal Accreditation on the Quality Improvement of Competency-Based Curriculum in Higher Education (대학 자체교육인증제가 역량기반 교육과정 질 향상에 미치는 영향)

  • Leem, Gwanghyun;Kang, Jihye
    • The Journal of the Korea Contents Association
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    • v.20 no.7
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    • pp.233-243
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    • 2020
  • This study investigated the internal accreditation system of A University which is a quality management system of curriculum that allows departments to examine the curriculum of itself. The results showed that the internal accreditation improved satisfaction of students in four areas: education goal & curriculum organization, curriculum implementation, support for curriculum, and curriculum development. It was also found that the system improved core competencies of students. Lastly, the students' evaluation for lecture was significantly improved compared with evaluation before internal accreditation. Based on these results, the study provided basic data for the design of internal accreditation system at A university.

Stability evaluation of reinforced earth walls based on large-scale modular blocks (대형 축조블록을 이용한 보강토옹벽의 안정성 평가)

  • Han, Jung-Geun;Kim, Min-Woo;Hong, Kikwon;Yun, Jung-Mann
    • Journal of the Korean Geosynthetics Society
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    • v.13 no.4
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    • pp.143-151
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    • 2014
  • This paper describes external and internal stability of reinforced earth wall using large-scale modular block and geogrid reinforcement. The evaluation for external and internal stability was conducted to analyze effect of wall height, reinforced soil (or backfill soils) and reinforcement strength. The external stability showed that the analysis cases were satisfied with design criteria, when the required minimum length and vertical spacing of reinforcement were 0.7H and 1m, respectively. The internal stability conformed that some cases were satisfied with design criteria in $25^{\circ}$ of internal friction angle of reinforced soil. Expecially, it will be applicable as wall structure considering a structural stability and economic efficiency based on evaluation of internal stability.