• Title/Summary/Keyword: quality standardization

Search Result 798, Processing Time 0.197 seconds

Changes of Distribution Coefficients of Cu, Cr, and As in Different Soil Matrix in a Laboratory Scale

  • Kang, Sung-Mo;Ra, Jong-Bum;Kim, Suk-Kuwon
    • Journal of the Korean Wood Science and Technology
    • /
    • v.37 no.2
    • /
    • pp.137-140
    • /
    • 2009
  • Chromated copper arsenate (CCA), a long history of successful preservative, have raised environmental concerns. Adsorption characteristics of domestic soils for chromium, copper, and arsenic were assessed by measuring distribution coefficient ($K_d$) values of these metal components in a laboratory scale. The results revealed that $K_d$ values were higher in chromium, followed by arsenic and copper in soil matrix. Different soil matrixes resulted in varying mobilities of CCA components. The values of $K_d$ for all three metals increased with organic matter contents. The results suggest that the mobility of metal components may be very limited to the surface area adjacent to CCA-treated wood due to their fairly large distribution coefficient ($K_d$). However, the metal components would be persistent and accumulated in the soil, resulting in high chemical concentration in service area of treated wood.

HPLC Analysis and Screening of Standard Compound on Saposhnikoviae Radix for Standardization of GCSB-5 Preparation (생약복합제 GCSB-5의 품질 표준화를 위한 방풍의 지표성분 탐색 및 HPLC 분석)

  • Cha, Bae-Cheon;Lee, Eun-Hee
    • Korean Journal of Pharmacognosy
    • /
    • v.40 no.2
    • /
    • pp.103-108
    • /
    • 2009
  • GCSB-5 preparation is a purified extract from a mixture of 6 medicinal plants(Acanthopanacis Cortex, Achyranthis Radix, Saposhnikoviae Radix, Cibotii Rhizoma, Glycine Semen Nigra, Eucommiae Cortex) that have been widely used for the treatment of various bone disorders. The aim of this study was to investigate HPLC analysis method and screening of standard compound on Saposhnikoviae Radix for quality standardization of a medicinal crude drug GCSB-5. Standard compound of Saposhnikoviae Radix was decided with cimifugin by isolation and instrumental analysis such as NMR. HPLC analysis method for the simultaneous determination of cimifugin was established for the quality control of the medicinal plants of Saposhnikoviae Radix species, GCSB-5 raw material and preparation. And validation of HPLC analysis methods were conformed for verification of HPLC methods by check to specificity, linearity, intra-day precision, inter-day precision and accuracy following ICH guideline.

Assessment of Nuclear Characteristics of NAA #1 Irradiation Hole in HANARO Research Reactor for Application of the $K_0$-NAA Methodology

  • Moon, Jong-Hwa;Kim, Sun-Ha;Chung, Yong-Sam;Dung, Ho-Mahn
    • Nuclear Engineering and Technology
    • /
    • v.34 no.6
    • /
    • pp.566-573
    • /
    • 2002
  • Neutron activation analysis based on $textsc{k}$$_{o}$-standardization method# ($textsc{k}$o-NAA) is Com as one of the most remarkable progresses of the NAA with advantages of experimental simplicity, high accuracy, excellent flexibility with respect to irradiation and counting conditions, and suitability for computerization. This study was carried out to determine the reactor neutron spectrum parameters, i.e. $\alpha$ and f as the main factors of irradiation quality at NAA #1 irradiation hole on HANARO research reactor, to evaluate peak detection efficiency of the gamma-ray spectrometer for the use in the $textsc{k}$$_{o}$ experiments and to compare the measured concentration results with the certified values of some SRMs applying the experimentally determined to-parameters.ers.

A Comparative Review of the International Occupational Health and Safety Management Systems for Global Standardization (국가별 산업안전관리 및 인증 체계와 산업안전보건 경영시스템의 국제표준화 방향)

  • 김상호
    • Journal of the Korea Safety Management & Science
    • /
    • v.3 no.2
    • /
    • pp.33-49
    • /
    • 2001
  • This article is concerned with various aspects of establishing the global standard for occupational safety and health management system (OHSMS). The notion, main features, and brief history of the OHSMS are presented. The OHSAS 18000, its assets and liabilities, are reviewed as a prototype of the global standard. It is also addressed the possibility of combining ISO 9000(quality management system), 14000(environmental management system) and the OHSMS into the integrated management system (IMS) as a whole. The concepts of internal and external customers are presented to explain why the environment, safety and health should be incorporated into the notion of total quality 'Participation of the members' and 'standardization of the 4Ms (Man, Machine, Materials and Method)'are emphasized as the major enablers of the IMS. Finally, the industrial, academic and governmental roles are discussed for developing the IMS and setting it down into the Korean industries.

  • PDF

Current Status of International Standardization for Durability Test Methods in Smart Clothing and Future Challenges in Enhancing Product Reliability and Quality Control (스마트 의류의 사용환경 내구성 시험에 대한 국제 표준화 현황과 제품의 신뢰성 향상 및 품질 관리를 위한 향후 과제)

  • Siyeon Kim;Ga-Young Lim;Sukyung Kim;Junghyun Lee
    • Fashion & Textile Research Journal
    • /
    • v.25 no.3
    • /
    • pp.398-408
    • /
    • 2023
  • Smart clothing products can experience a decrease in performance and reliability due to various mechanical, biological, and chemical stress factors that occur throughout their life cycle. These issues can hinder consumer acceptance of the products. This study aims to enhance the reliability of smart clothing and facilitate quality control by analyzing and identifying the current status of international standardization for smart clothing and electronic textiles (e-textiles). The focus of this analysis was on the durability test methods in the use environment. Furthermore, similar standards published by different standardization organizations for durability tests were compared in depth. The study showed that a total of 27 international standards have been developed or are currently under development. The current standardization efforts mainly aim to develop functionality and durability test methods for smart clothing and e-textile products. A detailed comparison was made between two international standards (IEC 63023-204-1:2023 and AATCC TM210:2019) specifically in relation to the washing durability test method and the electrical resistance measurement standards (BS EN 16812:2016 vs AATCC EP13-2021), before and after the environmental exposure tests. Based on this comparison, several suggestions have been made and discussed for the future revision of these international standards.

Sensor Data Standardization Trends for Smart Agriculture and Livestock (스마트 농축산 센서 데이터 표준화 동향)

  • Kim, Young-Dong
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
    • /
    • 2016.05a
    • /
    • pp.594-597
    • /
    • 2016
  • Smart agriculture and livestock is one of convergence technology which is combined smart technology based on ICT(Information and Communication Technology) and all processes of agriculture and livestock. Sensor data technology in smart agriculture and livestock is considered with important factor as base technology for measurement and collection of environment condition, management of product quality status. In this paper, Sensor technology and standardization trend for smart agriculture and livstock is investigated. Results of this study can be used as basic data for smart agriulture and livestock standardization which is curently under proecssing at domestic and abroad.

  • PDF

A Study on Strategy for Activating the Standardization in Construction Technology in Connection with Construction R&D Technology (건설R&D기술 표준화 특성 및 활성화 방안 도출에 관한 연구)

  • Lee, Kyo-Sun;Yun, Won Gun;Kim, Kyong Ju;Chin, Kyung-Ho
    • KSCE Journal of Civil and Environmental Engineering Research
    • /
    • v.35 no.6
    • /
    • pp.1387-1394
    • /
    • 2015
  • Recently, there is a growing interest in technical standardization all over industry, it is very important for survival in the global market to secure standard patent in almost all of company. Technology in construction industry is essential for quality of people's life and have large impact on national economy development. However, there is lack of investment and low interest in technical standardization in construction industry in comparison with another industries. Therefore this study aims at developing strategies for activating the standardization in construcion technology. Specially, this study carries market analysis and case study for domestic construction R&D Cases. Then, a structured survey and analysis is performed for standardization in construcion technology market to suggest alternative to secure national competitiveness.

A Study that Target Amount of Standardization by Menu Management Effect on the Job Efficiency (메뉴관리에 따른 조리 표준량 목표가 업무 효율성에 미치는 영향 연구)

  • Lee, Sang-Jung
    • Culinary science and hospitality research
    • /
    • v.16 no.2
    • /
    • pp.49-63
    • /
    • 2010
  • The purpose of this study is to investigate how menu management effect on job efficiency at a hotel restaurant. Target standardization amount is needed to set for effective menu management to give quality menu toward customers to do that bring effective job efficiency. The survey is conducted to employees who are working at hotel restaurant. To verify the hypotheses, set this study up frequency analysis, reliability analysis, factor analysis, and linear regression analysis. The collected questionnaires were analyzed through statistical package SPSS WIN 12.0. Moreover, adjusting regression analysis using multiplying matrix was carried to obtain the results of effectiveness. The results show that menu management is required to apply the target amount of standardization in order to increase the job efficiency. At a menu planning phase, managers are expected to compose menu after having full consultation with employees. During the process, the target standardization amount can play a key role to improve job efficiency. Conclusively, to get effective customer service performance, it is necessary to set the target amount standardization if you are considering a trend and taste of customers who should be kept being adjusted or supplemented in line with a trend.

  • PDF

ICT Standardization Strategy Item Analysis for Smart Farming and Livestock Farming (스마트 농축산업을 위한 ICT 표준화 중점항목 분석)

  • Kim, Dong-il
    • Journal of the Korea Institute of Information and Communication Engineering
    • /
    • v.21 no.3
    • /
    • pp.607-612
    • /
    • 2017
  • IT convergence with agriculture and livestock farming are expected to bring more efficiency and quality improvement in producing, distributing, consuming of agricultural products with the aid of information processing and autonomous control technologies of the IT area. The standardization work for smart farming and livestock farming based on networks is just at the beginning stage. And also, it is capable of coping with environment and technical problems with the actualized IT convergence case for agriculture. Hence, more studies on each point are required to finish the works including amendments and enhancements. More interests are expected to attain the successful results that ultimately contribute to innovate in the lifestyle. In this paper, it is analyzed strategy item and consider the actualized IT convergence case for agriculture and livestock, namely Smart Farming and Smart livestock Farming as a solution to cope the presented problems. In addition, suggest to ICT standardization road map for future planning.