• Title/Summary/Keyword: standards establishment

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Introduction to fire modeling for use in fire scene reconstruction (컴퓨터 화재 시뮬레이션을 이용한 화재조사)

  • Seok, Mi-Hye
    • Journal of Korean Institute of Fire Investigation
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    • v.10 no.1
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    • pp.77-86
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    • 2007
  • 컴퓨터 화재 모델링은 1960년대부터 연구 개발되어 왔지만, 화재조사 및 감식 분야에서는 미국의 NIST : National Institute of Standards and TechnologyNIST와 영국의 BRE : Building Research EstablishmentBRE를 중심으로 약 10여년 전부터 적용되기 시작했다. 처음 화재 모델링이 개발되었을 때에는 화재 자체의 물리적인 특성을 설명하는 데에만 사용되어 그 활용분야가 제한적이었으나, 방화공학적인 분석기법과 컴퓨터 기술의 발달로 요즈음에는 화재현장을 재현하고 예측하는데 많이 사용되고 있으며 앞으로 더 많은 활용이 예상된다. 따라서 본 글에서는 화재모델링을 이용한 시뮬레이션이 무엇인지를 배우고, 화재 조사에 적용된 구체적인 사례를 살펴봄으로써 컴퓨터 화재 시뮬레이션을 이용한 화재 조사에 대한 이해를 높이고자 한다.

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Establishment of Work and Time Standards in Machining rations including NC Machines (NC기계들이 포함된 기계공작공정에서의 작업연구)

  • 유인선;오근태
    • Journal of Korean Society of Industrial and Systems Engineering
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    • v.18 no.33
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    • pp.11-27
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    • 1995
  • This study sets a goal of establishing work standard and standard time in a machine tool process consisted of high-priced NC machine tools. Firstly, the theories of work standard and standard time in the field of NC machine tools are studies. Secondly, the theories are actually applied to a manufacturing company; work standard sheets are developed and applied to a machining center haying low operation rate, and then the increase in productivity is compared. Finally, problems to be studied later in relation to work standard and standard time are presented.

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Analysis of the Present Conditions of Recreation Resources Management Using Normative Approach and Establishment of Evaluative Standards -At Campgrounds in Chiri-Mountain National Park- (규범적(規範的) 접근방법(接近方法)에 의한 휴양자원관리(休養資源管理)의 실태분석(實態分析) 및 평가기준(平價基準)의 설정(設定) -지리산(智異山) 국립공원(國立公園) 야영장(野營場)을 대상(對象)으로-)

  • Kim, Sang-Oh
    • Journal of Korean Society of Forest Science
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    • v.85 no.3
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    • pp.360-371
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    • 1996
  • In order to manage forest recreation resources effectively, it is necessary to establish objective and quantifiable evaluative standards. They can be used to evaluate the present management conditions of recreation resources and to monitor the conditions continuously on the basis of the established evaluative standards. Normative approach is one of alternatives to help establish evaluative standards. Researchers and forest managers have been interested in the approach, and its usefulness in managing recreation resources has been emphasized. This paper evaluated the present conditions of the campgrounds on the basis of users' normative evaluative standards using the data collected by on-site survey at two campgrounds (Baemsagol Campground and Second Campground) in Chiri-Mountain National Park in 1.993. This paper established evaluative standards for eight impact indicators using normative approach, and it evaluated the present management conditions of the campgrounds on the basis of them. The present management conditions for noise time and littering behavior were worse than the evaluative standards at Baemsagol and Second Campground. Present conditions for inconsiderate behavior, number of tents, number of campers, and waiting time for using water supply were worse than the evaluative standards only at Baemsagol Campground. The present management conditions for distance between tents and waiting time for using restroom were better than the evaluative standards at both campgrounds. This study introduced how normative approach can be used to establish evaluative standards, and based on the study result, some management directions were suggested.

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A Study on the Change in Health Teacher Placement Standards and the Problems in the Placement Policy (보건교사 배치기준의 변천과정 및 배치정책의 문제 연구)

  • Kim, MiKyong
    • Journal of the Korean Society of School Health
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    • v.26 no.3
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    • pp.133-143
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    • 2013
  • Purpose: The purpose of this study is to provide basic data for a more reasonable health teacher placement policy sending teachers to more appropriate sites, by analyzing the change process of the health teacher placement standards and the problems caused by an unreasonable placement policy. Methods: This study mainly analyzed relevant research data and existing studies focusing on a literature analysis. Results: To date, the placement policy for health teachers has changed, going through expansion, reduction, and retrogression, since its establishment. The standard, placing health teachers only in elementary schools with more than 18 classes, was created in 1952. Despite the expansion of the role of health teachers and the revision of the school health law in 2007, this standard has been applied to date without modification. In the meantime, there have been many problems caused by inappropriate placement of health teachers. It was difficult for health teachers in large schools to carry out proper health education; and, in many schools, passive health management, such as first aid, health tests, and student health management, was mainly executed rather than active health management. Students in small schools were not even given an opportunity to receive health education and health management owing to the absence of health teachers. Also, compared to teachers teaching other subjects, health teachers have had very unfair placement standards. Conclusion: The placement policy for health teachers, which has been applied to the present, has never reflected social change, the increase of student health issues, and the demand from the school area. Although the role of health teachers expanded with the execution of health education, the current placement standards for health teachers are very unreasonable. Accordingly, it is necessary to review the health teacher placement policy in a reasonable manner and to revise the standards considering the reality.

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A Trend of the National and International Standards for LCD Backlights (LCD 백라이트 국내외 표준화 동향)

  • Cho, M.R.;Shin, S.W.;Lee, S.H.;Hwang, M.K.;Lee, D.Y.;Yang, S.Y.;Ham, J.K.
    • Proceedings of the Korean Institute of IIIuminating and Electrical Installation Engineers Conference
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    • 2007.05a
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    • pp.141-144
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    • 2007
  • BLUs are major component in LCD industry which occupies 90% or more of FPD market worldwide and BLU market is expected to be expanded continuously according to the trend of miniaturization, slimness, low power consumption and low weight. The larger the BLU market scale, the more important standardization of performance evaluation techniques to clearly prescribe the product specification. Currently the government is promoting the establishment of related laws and coincidence with international standards to cope with agreements such as WTO/TBT, but the nongovernmental standardization activities are not enough to be actualized. Furthermore, BLU related components such as CCFL, EEFL, inverter and reflector are already developed for localization to substitute imports with home products but collective standardization, national standardization, and international standardization are still not done. So, performance specifications and evaluation methods for normal fluorescent lamps or industrial lamps are being adopted and used as national standards and safety certification standards instead. Making these standards enables to prepare a chance to penetrate into global market and to promote world best products. Also, by making this collective standard, it provides chances to take part in international standardization activities, to protect domestic industries and technologies, to obtain the trend of advanced technologies, and to be predominant over other countries. That is to say, CCFL standardization helps raise 21st century national strategic technology policy and go ahead of globalization of core technologies.

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A Study of Conversion Techniques between Korea eBook Documents Standard and Related eBook Standards (한국 전자책 문서표준 및 관련 표준과의 변환 기법에 관한 연구)

  • 손원성;고승규;이경호;임순범;최윤철
    • Journal of Korea Multimedia Society
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    • v.6 no.5
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    • pp.876-888
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    • 2003
  • The U.S., Japan and Korea have realized the importance of establishing standards for eBook document formats and with government bodies, related industries and academic circles, OEB PS, JepaX and EBKS were established. However, compared to OEB of the U.S. and JepaX of Japan, EBKS contains different objective for establishment and different structures. As a result, for converting between documents of different standards, exact analysis of the document structures are called for and minimization of information loss when actually converting documents is required. Therefore, a method for explicit exchange between documents of different standards minimizing document structure is proposed and examples are looked at. As a result, in this paper, conversion possibilities between EBKS and OEB/JepaX are introduced and the result can be applied to cases when exchanging eBook standards and other formats.

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A Study on the Evaluation for Operations of Public Sewage Treatment Plants Using Statistics Technique (통계기법을 이용한 공공하수처리시설의 운영실태 평가방법 연구)

  • Choi, In-Cheol;Ahn, Tae-Ung;Yu, Soon-Ju;Chung, Hyen-Mi;Kwon, Oh-Sang;Kim, Won-Ky;Yeom, Ick-Tae;Son, Dae-Hee
    • Journal of Korean Society on Water Environment
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    • v.30 no.5
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    • pp.524-531
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    • 2014
  • Korea has been trying to manage water quality of rivers and lakes in many ways. Ministry of Environment is making continuous efforts of operation control improvement such as strengthening effluent standards in sewage treatment plants and expanding Tele-Monitoring System (TMS). However, evaluation method for operations of sewage treatment plants and establishment system of effluent standards are inadequate. The objective of this study is to evaluate for operations of sewage treatment plants using statistics technique such as frequency analysis, percentile, normal distribution analysis. We used the effluent data (BOD, COD, SS) collected at 299 plants in 2012. The values were very low by comparison with standards. The Data followed a normal distribution. We think that distribution characteristics are closely related with effluent standards, especially T-P and BOD. Statistics technique attempted in this study can be used to evaluate for operations of sewage treatment plants and assess the appropriateness of effluent standards based on TBEL(Technology-based effluent limitation). And, this technique can be used to figure out the overall level of plants, the status of each plant and the favorable treatment process for each item (BOD, COD etc.). Data acquired through this method can be used to improve facilities and operation techniques and decide on a sewerage policy.

A Delphi Survey for Establishment of Standards Development Strategy in Digital Publication (전자출판 분야 표준 개발 전략 수립을 위한 델파이조사 연구)

  • Oh, Mi-Ja;Cho, Yong-Sang;Shin, Sung-Wook
    • Journal of Internet Computing and Services
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    • v.14 no.3
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    • pp.1-13
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    • 2013
  • The recent emergence of diverse platform-based media devices such as smart phones and iPads has aroused interest of consumers all across the world. This interest has led to digitalization of paper books and a steep growth in the digital publishing industry at home and abroad. However, advent of various devices and content has caused the issue of compatibility and produced needs and demand for standardization to exchange and share content related to digital publication. Through collection of opinions of 16 stakeholders from the industrial, academic, research, and public sectors, this study aims to examine predictable future changes about content and its distribution, devices, standardization, technical protective measures, and obstacles in future digital publishing and eventually to draw out areas and elements for future standards development.

A Study on the Revisions of the School Facility and Equipment Standards with the Changes in Education Curriculum and Legislations of School Facilities and Equipment (교육과정과 학교 시설.설비 법령의 변천 비교에 따른 향후 개정 방향 연구)

  • Noh, Ran;Yoon, Sung-Hoon;Jung, Jin-Ju
    • Journal of the Korean Institute of Educational Facilities
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    • v.18 no.5
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    • pp.23-33
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    • 2011
  • To ensure the effective operation of a curriculum, facilities and equipments should be properly supported. Therefore, changes are required for educational facilities in accordance with the curriculum, revised 10 times in total from 1945 to 2011, but it's true that the facility and equipment laws, which are the standards of facility and equipment changes, did not adapt to the changes. After 'the Act on Standards of School Facilities' was repealed, 'the Act on Establishment and Operation of the Schools,' the corresponding law for the purpose of spatial configuration for teaching and learning methods, was enacted in Sept. 1997. This law has been active for 14 years and revised 11 times thereafter. It has also been decided to often revise the curriculum, so the 7th National curriculum has undergone 6 times of minor revisions. Among them, the most recently revised 2009 curriculum is to be applied for elementary school 1st and 2nd grade, middle school 1st grade, and high school 1st grade from the beginning of this year of 2011. Hereupon, the purpose of this study is to research on the revisions of the school facility and equipment standards which can support the curriculum revised in 2009 and thereafter by examining classrooms and facilities as the learning space that can respond to the changes of school functions and systems with curriculum transition, of teaching and learning systems, and of subjects.

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Study on Establishment of management standards of Chemistry laboratory handling harzadous substances and improvement of system (유해·위험물질 취급 화학실험실 관리 기준 정립 및 체계 개선에 관한 연구)

  • Cho, Nam-Joon;Lee, Man-Soo
    • Journal of the Korea Safety Management & Science
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    • v.18 no.4
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    • pp.57-72
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    • 2016
  • There are more than 30,000 chemical substances handled in domestic university laboratories. Among them, hazardous materials are selected and managed as designated substances by the standards of 19 Ministries and 16 Acts. However, domestic safety-related laws and regulations are used to manage industrial risk factors based on industrial activities. In case of installing a university chemical laboratory in accordance with the installation standards applicable to general workplaces. It is not suitable to use as a laboratory installation standard that can be applied to a chemical laboratory installed at a university such as a problem occurs in applying to a university using a small quantity of dangerous substances in a small amount. In order to establish the laboratory structure and facility standards that are appropriate for the laboratory characteristics and apply systematic laboratory safety, the National Security Administration shall apply the special handling standard of chemical experiment to places where handling less than 30 times the designated quantity of chemical substances for chemical experiments. On August 2, 2016, the regulations for the enforcement of the Dangerous Goods Safety Management Act and the standards for the structure and facilities of the university chemical laboratory were enacted. In this study, we investigated the domestic chemical substances laws and regulations to determine the chemical substances that are over-regulated in the relevant laws, and define them as substances against accidents. The management criteria for the substances were analyzed. The R value for the designation of the designated quantity by the concept of the space in the management standard was calculated.