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Analysis on the Reaction-to-fire's Performance of Sandwich Panel Systems by using ISO 5660-1 and EN 13823 Fire Tests (중소형 화재시험(ISO 5660-1 및 EN 13823)을 이용한 샌드위치패널 연소성능 분석)

  • Park, Kye-Won;Im, Hong-Soon;Jeong, Jae-Gun;Kim, Woon-Hyung
    • Fire Science and Engineering
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    • v.23 no.1
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    • pp.33-39
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    • 2009
  • In this study, the combustion properties, which are called the reaction-to-fire's performance, of sandwich panels were tested and analyzed according to both ISO 5660 (cone calorimeter method) and EN 13823 (SBI). Several variables including ignition time, mass loss, heat release rate, smoke production rate and $O_2$ density about four sandwich panels and four core materials (thermal insulation material) were evaluated. Combustion properties' similarity and difference of sandwich panels and core materials were compared by materials and test methods respectively. Finally test results were evaluated by Japanese standard building code, National Building code of Canada and EN 13501-1 as well.

An Implementation of Configuration Management in ISO 9000 Quality System (ISO 9000 품질시스템에서 형상관리의 구현에 관한 연구)

  • Chung, Nam-Kee;Choi, Jeong-Gil;Kim, Young-Sik;Park, Sang-Kyu;Kim, Jae-Jon;Hwang, Bu-Hyun
    • Journal of Korean Society for Quality Management
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    • v.28 no.2
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    • pp.176-191
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    • 2000
  • Configuration Management (CM) is a management discipline that applies technical and administrative direction to the development, production and support life cycle of a configuration item. This paper introduces an application of this disicipline to ISO 9000 quality systems. A proto type CM information system caned CM / ISO 9000 is implemented via a comparison and anal37sis of CM standards such as ISO 10007, MIL-STD-2549 and EIA Standard IS-649. This system demonstrates 4 basic CM functions consisting of configuratin identification, change control, configuration status accounting and configuration audit. In the system, configuration items such as documents and drafts can be managed to ensure effective ISO 9000 quality systems. Implementation is supported by IDEF0, IDFF1x in modeling, MS SQL Server Ver. 7.0 as DBMS and Visual Basic Ver. 6.0 for interface programming.

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A Study on Database Standardization Status and Plans (데이터베이스 표준화 현황 및 추진방향)

  • Ahn, Gye-Sung
    • Journal of Information Management
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    • v.29 no.4
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    • pp.1-22
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    • 1998
  • The domain of database standardization can be divided into three fields; general database, data, and database by basic reference model. The international activities for the database standardization are currently being proceeded variously and actively. This article analyzes the status of the activities of ISO/TC46 in the information & documentation and ISO/IEC JTC1/SC32 in the data management and interchange, and proposes a plan for strenthening the activities of the domestic technical committees related to these activities. This also presents the status of the legislative organizations of the domestic databases standardization and the directions of promoting their activities.

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Sensitive Determination of Alkylphenols, Chlorophenols, and Bisphenol A using GC/MS-SIM in Paper Materials (기체 크로마토그래피/질량분석기를 이용한 종이류 중 알킬페놀류, 클로로페놀류 및 비스페놀 A 정량)

  • Kim, Hyub;Kim, Jin-Ho
    • Environmental Analysis Health and Toxicology
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    • v.18 no.1
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    • pp.45-55
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    • 2003
  • The alkylphenols, chlorophenols and bisphenol A were determined by gas chromatography/mass spectrom-etry-selected ion monitoring (GC/MS-SIM) mode followed by two work-up methods for comparison; isoBOC derivatization method and TBDMS derivatization method. Eleven phenols in paper samples were extracted with acetonitrile. Also, solid -phase extraction (SPE) with XAD -4 and subsequent conversion to isobutoxycarbonyl derivatives or tert.-butyldimethylsilyl derivatives for sensitive analysis with the selected ion-monitoring (SIM) mode. The SIM responses were linear with the correlation coefficient varying 0.9717 ∼ 0.9995 (isoBOC derivatization), and 0.9842 ∼ 0.9980 (TBDMS derivatization). The recoveries were 82.4 ∼ 108.8%) by area ratio of phenanthrene -d$\_$10/ vs bisphenol A-d$\^$l6/. (isoBOC derivatization and TBDMS derivatization) The range of concentrations was respectively, 0.95 ∼ 1.44 ng/g in 2,4-dichlorophenol, 1.01 ∼ 1.17 ng/g in t-butylphenol,2.17 ∼ 5.84 ng/g in pentachlorophenol, 12.68 ∼ 14.88 ng/g in nonylphenol and 30.84 ∼ 153.72 ng/g in bisphenol A.

Consumer Importance-Performance Analysis on Writing Rules of Product User Guide Using IPA (IPA를 활용한 제품사용설명서의 작성원칙에 대한 소비자 중요도-만족도 분석)

  • Seo, JunHyeok;Bae, SungMin
    • Journal of Korean Society for Quality Management
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    • v.48 no.2
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    • pp.283-296
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    • 2020
  • Purpose: This study examined the importance and satisfaction of consumer's perception of the information delivery format of products and services required and recommended by KS A ISO / IEC Guide 13: 2003 and KS A ISO / IEC Guide 37: 2003. Methods: In this study, the importance and satisfaction of clarity, principles of information transfer, how to use expressions and technical terms, and technical terms, warning signs, and durability were investigated. Results: The t-test analysis of the importance and satisfaction of the Writing Rules of the product user guide showed that all items had statistically significant differences. The importance of the writing rules of the product user guide for the use of the product was in the order of warning signs (4.423), how to use expressions and technical terms (4.215), principles of information transfer (4.163), clarity (3.914), and finally durability (3.851). Conclusion: Among the 'explanation,' 'instruction' and 'warning' functions of the Product User Guide, the consumer uses the manual to identify the inherent dangers and misuse of the product. Besides, since the life of the product is prolonged, the Product User Guide also needs to improve the quality of the cover or paper so that it can use for a long time.

Effects of N & P Treatment Based on Liquid Organic Materials for Capacitive Deionization(CDI) (축전식 탈염 공정의 액상 유기물에 따른 질소(N) 및 인(P) 처리 특성)

  • Lee, Bo-Ram;Jeong, In-Jo;Park, Soo-Gil
    • Journal of the Korean Electrochemical Society
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    • v.16 no.3
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    • pp.123-128
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    • 2013
  • Organic carbons such as methanol, ethanol, iso-propanol, methoxy ethanol, glucose are added(1, 2, 3%) in the 2000 ppm $NH_3$ and $H_3PO_4$. As vol.%. cyclic voltammetry measurement of the capacity with the addition of organic carbon, the results of $NH_3$ + 3 vol.% Methanol Addition, $H_3PO_4$ + 2 vol.% iso-propanol addition of the increase in capacity was observed. Applying to the CDI Module cell with an addiction of organic carbon is confirm that remove $NH_4$-N and $PO_4$-P in sewage. Namely, the removal efficiency of $NH_3$ was increase of 16.4% during adsorption, 30.4% during desorption and the removal efficiency of $H_3PO_4$ was increase of 63% during adsorption, 54.7% during desorption. Therefore, the result of this research is confirm that effect of the N, P removal and considered that reduction of the operating costs without removing the organic matter in the influent wastewater.

Research about Integrated System construction design of ISO 9001;2000, KS and Product Safety Management by PL(Product Liability) law practice (PL법 실행에 따른 ISO 9001;2000과 KS 및 제품 안전경영(PSM) 통합시스템 구축의 설계에 관한 연구)

  • 유왕진
    • Journal of Korean Society for Quality Management
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    • v.31 no.4
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    • pp.184-193
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    • 2003
  • PL has been developed centering around England and America. Recently many countries are introducing PL system changing the world a single economic bloc based on the rapid development of Technology and Economy. This paper is studied with related literatures and theses, organizational consulting cases within the framework of the firm as the central operating bodies of PL system. In the past, Some papers about System Integration which was operated as a same Certificate System and enacted in a single organization, was studied and presented. But most of papers was a theoretical study related model and conception. In this situation Government supports PSMS of a single system at government expense to 100­200 companies for improving organizational confrontation ability of PL this year. This paper proposed a design and effect of Integration system model based on the analysis of ISO 9001:2000, KS, PSMS and ISO 14001. The integrated system has the following three distinctions. Firstly, KS is a national establishment, national leading certification and forcing standard. Secondly, ISO 9001:2000 and ISO 14001 are an international organization's establishment, non­official certification and optional standard. Finally, PSMS isn't a national law and forcing matter. And it isn't the concept of certification but the operational system by itself. Also if a lawsuit by defect is happened, it is very dangerous. This paper, which is integrated by four management systems and has many consulting cases, is the first in this department and is different from others. Also If people has the basic knowledge about management system, they can directly connect it to the organizational system according to this paper's guidance. It is very good result in this study because the law of PL is executed now.

Anesthetic and Cardiopulmonary Effects of Propofol as Infusion and Induction Anesthesia in Dogs (개에서 주사 및 도입마취제로서 Propofol의 마취효과 및 심폐기능에 미치는 영향)

  • Yoo, Jun-ho;Lee, Chung-ho;Kim, Wan-Hee;Nam, Tchi-chou;Kweon, Oh-kyeong
    • Korean Journal of Veterinary Research
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    • v.42 no.1
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    • pp.123-130
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    • 2002
  • To investigate the cardiopulmonary and anesthetic effects of propofol in dogs, experimental dogs were randomly divided into 4 groups (propofol infusion anesthesia, P/INF, propofol intermittent anesthesia, P/INTER, propofol induction anesthesia, P/ISO, thiopental Na induction anesthesia, T/ISO) and monitored analgesic and anesthetic effects, recovery time, body temperature, heart rate, mean arterial pressure, respiratory rate, systolic and diastolic pressure. In all groups, apnea was not observed. In the P/INF group, the respiratory rate(RR) was slightly decreased, but in the P/INTER group, RR was increased and shallowing. In the groups of P/ISO and T/ISO, the respiratory rate was decreased. Heart rate(HR) was increased after induction anesthesia in all groups, but gradually decreased. Mean arterial pressure(MAP) was decreased after injection anesthesia in the groups of P/INF and P/INTER. In the groups of P/ISO and T/ISO, however, MAP was slightly increased. Systolic and diastolic arterial pressure were gradually decreased after induction anesthesia, but not significantly. In the groups of P/INF and P/ISO, recovery time was shorter than the groups of P/INTER and T/ISO. In all groups, body temperature of animals was decreased gradually according to time but no significant changes were observed. Propofol injection doesn't make the complete loss of responses of animals, especially, in the P/INTER group. In the P/INF group, deep pain was present until the end of anesthetic period. During recovery period, any other side effects except incoordination were not monitored. The present study suggested that infusion anesthesia was superior to intermittent anesthesia as injection anesthetic agent, and propofol was better than thiopental Na as induction anesthetic agent.

A Study on Chinese Corporate Social Responsibility Management Mode in Economic Transition Age A Case Study of Beijing Retailing Industry (경제전환시대 중국 소매기업의 사회적 책임에 관한 연구 : 베이징(北京)의 소매기업을 중심으로)

  • Li, Dong?xin;Kang, Tae?won;Lee, Yong?Ki
    • The Korean Journal of Franchise Management
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    • v.2 no.2
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    • pp.134-149
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    • 2011
  • For decades, corporate social responsibility (CSR) has been a subject of intense debate among scholars and practitioners. Discussions have generally focused on the role of business in society and the nature of an enterprise's social responsibilities. The International Organization for Standardization (ISO) announced the implication of the ISO 26000 as the new guidance standard for social responsibility, which is built on the intellectual and practical infrastructure of ISO 9000 and ISO 14000. Although the enthusiasm for corporate social responsibility (CSR) has been echoed in the Chinese marketing literature, with the very low rate and level of CSR implementation in China's enterprises based on 2011 report of Chinese Academy of Social Sciences, this paper will give a general statement on the current status and future management mode of CSR in China.

Chlorine Dioxide Bleaching Properties of Sugarcane Bagasse Pulp and Oil Palm Trunk Pulp (사탕수수 부산물 펄프와 오일팜 줄기 펄프의 이산화염소 표백 특성)

  • Lee, Jai-Sung;Shin, Soo-Jeong
    • Journal of Korea Technical Association of The Pulp and Paper Industry
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    • v.47 no.4
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    • pp.13-20
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    • 2015
  • Soda-AQ pulp made from sugarcane bagasse (SCB) and oil palm trunk (OPT) were bleached in element chlorine free (ECF) sequence. Bleached SCB and OPT pulp was achieve higher brightness than 85.0% ISO. Viscosity of SCB bleached pulp and OPT bleached pulp were achieved 18-27 cPs and 18-26 cPs. In 7.8% active chlorine dioxide addition, bleached SCB pulp was shown 88.7% ISO brightness and 20.4 cPs viscosity. And bleached OPT pulp was shown 88.5% ISO brightness and 18.8 cPs viscosity with 7.8% active chlorine dioxide addition.