• 제목/요약/키워드: Korean Standard

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대학수학능력시험 점수산정시스템의 품질 제고를 위한 연구 (A Study on the Quality Improvement of College Scholastic Ability Test Scoring System)

  • 박영선
    • 품질경영학회지
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    • 제50권2호
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    • pp.199-220
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    • 2022
  • Purpose: The purpose of this study is to analyze the score data released by the Korea Institute of Curriculum and Evaluation to find out the problems with the current scoring system provided by the College Scholastic Ability Test and to suggest improvement measures to solve these problems. Methods: We calculated the descriptive statistics of the standard scores using the frequency distribution table of the standard scores and identified the characteristics of the standard scores by expressing the distribution as a graph. Also, we developed an index to evaluate whether each stanine level was stably assigned and calculated the indexes for each area/subject by using the data on the number of examinees for each level. Results: We found that the relationship of conversion from raw scores to integerized standard scores is different depending on the size of the standard deviation of the raw scores, and identified the problem that the raw score information is not fairly reflected in the calculation of the percentile and level as the two raw scores are converted to one standard score. This problem can be solved by calculating the standard score to a decimal point. Conclusion: In this study, as a way to improve the quality of the scores of the current CSAT, the standard score and percentile decimal notation, the specific regulations of the standard score and stanine level calculation method, and the expansion of the open range of the scores were suggested.

역대(歷代) 약물(藥物) 비표준(非標準) 계량단위(計量單位)의 고찰(考察) (A Historical Study of Non-standard Weight and Measuring Units)

  • 윤성중;문영춘;김지훈;정기은;김윤경
    • 대한한의학방제학회지
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    • 제24권4호
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    • pp.335-351
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    • 2016
  • Objective : This study was done to clarify ambiguous non-standard weight and measuring units in medical classics. Methods : Using medical classics and research dissertations, we studied the basic definitions of weight and measuring units and the types of non-standard weight and measuring units. We compared non-standard weight and measuring units in the reference literatures, to determine the dose of herbs in the prescriptions. Results : There are three types of units in non-standard weight and measuring units. These are 'Quantity measuring unit', 'Resembrance measuring unit', and 'Eye measuring unit'. And we found historical efforts and progresses for proper ways to convert non-standard weight and measuring units to standard weight and measuring units. Conclusions : This research will be the basic data for the standardization of prescriptions. Additional study was still required for precise weighing and measuring in Korean medicine and pharmacy.

토목공학을 위한 표준 이수체계도에 관한 연구 (A Study on the Standard Flow Chart for Civil Engineering)

  • 최세휴;박성식
    • 공학교육연구
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    • 제15권1호
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    • pp.3-8
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    • 2012
  • This study present the standard flow chart for civil engineering considering Korean education environment. The flow charts of USA's 20 universities and Korea's 6 universities are investigated. The standard flow chart are proposed based on the standard curriculum of civil engineering and flow charts of USA and Korea though analyzing of prerequisite of each subject. The proposed standard flow chart is expected when used to improve korean universities curriculum.

물질안전보건자료 및 표시 제도의 개선 방향 제안 - 미국 유해정보소통기준(HCS)의 비판적 고찰에 기초하여 (How to improve the reliability of MSDS and labels?: A critical review on the U.S. Standard 29 CFR Part 1910 Hazard Communication)

  • 김신범;이윤근;최영은
    • 한국산업보건학회지
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    • 제25권1호
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    • pp.1-12
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    • 2015
  • Objectives: The major objectives of this study are to review the U.S. Standard which affected Korean worker's Right-to-Know Standard and to propose the way of improving the reliability of MSDS and labels. Methods: To review the U.S. Standard historically, we used the Federal Register, other criteria documentation and peer-reviewed literatures. Then we analysed major issues in the historical debatement on the worker's Right-to-Know Standard. Results: Korean MSDS Standard benchmarked the U.S. Hazard Communication Standard which finally established by President Reagan in 1983. Reagan's Hazard Communication Standard was aimed to preempt States Right-to-Know Acts for chemical industry and not to improve the awareness of workers on chemical hazards. Too much protection on trade secrets and low reliability of hazard information were key problems of the U.S. Standard. Conclusions: We recommend some ways to improve Korean MSDS and Label Standard. First, A new analysis frame is needed to understand the U.S Standard. Second, hazard identification is the key element of reliable information and chemical name and CAS number should be on the label of the container. Third, trade secrets should be limited to low hazardous substances and be permitted by government before the chemical product is on the market.

열차제어용 표준 통신 프로토콜의 안전 특성 분석 및 평가 (Safety Characteristics Analysis of Korean Standard Communication Protocol for Railway Signalling)

  • 황종규;조현정;이재호
    • 한국철도학회논문집
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    • 제10권3호
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    • pp.365-371
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    • 2007
  • The communication protocol for interface among railway signalling systems is designed and established as national standard in Korean from a few years ago. So the communication link for information transmission among railway signalling system can be a good example of application of this standard. Communication protocol which is standardized among Korean railway signalling is considered to apply information transmission. And we confirmed there is no the states of deadlock of livelock in std. protocol which is applied formal verification which is one of the analytic method for inspection of safety characteristics in the design course of protocol. But the safety of protocol has to necessarily accomplish this normal analysis approach about satisfying requirement matters with such this analytic approach. In this paper we analyzed the safety characteristics of standard protocol for Korean Railway signalling through the requirement matters for safety transmission of railway transmission system which is required in international standard. So through this study we confirm whether it satisfies safety requirement matters of the level which require in international standard and tried to confirm whether standard protocol has enough safety character in the real railway field.

Thermal and Non-thermal Heat Flow in a Large Crystal Detector for Neutrinoless Double Beta Decay Search

  • Kim, G.B.;Lee, S.J.;Jang, Y.S.;Lee, H.J.;Lee, J.H.;Lee, J.Y.;Lee, M.K.;Yoon, W.S.;Kim, Y.H.
    • Progress in Superconductivity
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    • 제14권2호
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    • pp.87-91
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    • 2012
  • Metallic magnetic calorimeters (MMCs) are one of the most competitive low temperature detector (LTD) readout sensors. They have the advantages of high time resolution, no heat dissipation, and a wide range of operating temperature. We apply MMCs to our neutrinoless double beta decay ($0v{\beta}{\beta}$) search experiment. A $CaMoO_4$ crystal was employed as both a source of $0v{\beta}{\beta}$ and an energy absorber. The crystal was thermally connected to a MMC sensor. We set a simple thermal model for this detector and measured pulse shapes are compared with a numerical solution of the thermal model.

수정 BOM 을 이용한 조립제품의 표준시간 산출 (Determining Standard Times of Assembly Products using A Modified BOM)

  • 엄광용;이문규
    • 산업공학
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    • 제11권3호
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    • pp.103-114
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    • 1998
  • This paper suggests a computer software system which generates standard times for assembly products. The system called "computer aided logical system for standard times(CALS4ST)" incorporates a modified bill of materials, BOM4ST(BOM for standard time) to deal with auxiliary operations which are not directly related to parts and assemblies listed in the standard BOM. Typical examples of the operations include inspection, adjustment, and repairing works to be done before or after assembly operations. Once standard time data bases for both the part assembly operations and the auxiliary operations are set up, the system relates the BOM4ST to the standard time data bases so as to calculate the standard time for a assembly part concerned. According to the structure of parts and auxiliary operations in the BOM4ST, their standard times stored in the data bases are to be sequentially added up considering the specified assembly-operation characteristics. To illustrate the feasibility of the system, the case study of L company is provided.

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18~24세 한국인 여성의 표준체형에 관한 연구(제2보) -표준프로포션과 표준체형에 대하여- (The Study on Standard Bodytype for Korean Women between the ages of 18 and 24 years old(Part II) -Standard proportion and Standard bodytype-)

  • 이정임;남윤자
    • 한국의류학회지
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    • 제26권6호
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    • pp.801-810
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    • 2002
  • The purpose of this study is to suggest standard bodytype which offers criterion for the sizes and shapes to interpret various bodytypes, to estimate fitting, and to construct ready-made clothing. There were two ways of analyzing bodytypes of subjects from the viewpoint of statistic and beauty. We had carried on the analysis from the viewpoint of statistic in the Part(1) and we carried on the analysis from the viewpoint of beauty in this Part(2). Taken as a sample, the subjects were ninety-seven females who were between the aloes of 18 and 24 rears o1d. They were measured on November 1999. The data of seven hundred and four females,18∼24 year-old, from the National Somatometry Survey of 1997 were used for analysis, too. The first analysis from the viewpoint of beauty was executed to the front and side photographs of the subjects to analyze the general traits of the beautiful bodytype. The second analysis from the viewpoint of beauty was executed to subjects who were in both High-frequency proportion range and Beautiful bodytype group. As the result, four groups in Beautiful and High-frequency proportion range were selected. The standard proportion was analyzed with the size and shape of four groups. Based on the standard proportion, the size, shape and silhouette of the standard bodytype were analyzed. To verify the size, shape and silhouette of the standard bodytype, the location of the standard bodytype in the 1997 National Somatometry Survey group was analyzed. As the result, the standard bodytype was verified as proper criterion to interpret various bodytypes, to estimate fitting, and to construct ready-made clothing.

대학도서관기준의 동향분석과 개정안 연구 (Trend Analysis and Revision of the University Library Standard in Korea)

  • 윤희윤
    • 한국도서관정보학회지
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    • 제42권2호
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    • pp.5-28
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    • 2011
  • 대학도서관의 궁극적인 사명은 대학의 교육, 연구, 사회봉사를 지원하기 위한 다양한 정보서비스를 제공하는데 있다. 이러한 사명을 성취하려면 대학도서관의 운영지침, 평가도구로 활용될 수 있는 최적의 기준을 개발하고 적시에 개정해야 한다. 이에 본 연구는 주요 국가(미국, 캐나다, 영국, 일본, 대만)의 대학도서관기준이 함축하는 동향과 특징을 개관 비교하고, 국내의 법적 및 권장기준에 내재된 문제점과 한계를 분석하여 장서, 직원, 시설 중심의 개정안을 제시하였다.