• Title/Summary/Keyword: Korean industrial standard

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The establishing Korean Industrial Standard of the sound absorber for use in bildings (흡음률 평가방법의 KS 규격화 방안에 관한 연구)

  • Lee, Tai-gang;Song, Min-Jung;Kim, Sun-Woo
    • Proceedings of the Korean Society for Noise and Vibration Engineering Conference
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    • 2002.11a
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    • pp.391.2-391
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    • 2002
  • Recently Korean Industrial Standards has been revised and established newly accordance with the ISO system, especially ISO 140 series. This study aims to introduce and review ISO 11654 which contents rating of sound absorption, and then this study suggests to establish appropriate evaluating method and Korean Industrial Standard of the sound absorber for use in building.

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An Structural Model Study on the Effect of KS Certificate and the Enterprise Performance (KS표시 인증과 경영성과와의 영향력에 관한 구조모델연구)

  • Koo Il Seob;Kim Tae Sung;Yim Chun Soon
    • Proceedings of the Korean Society for Quality Management Conference
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    • 2004.04a
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    • pp.618-624
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    • 2004
  • Korean Standard Certificate , suitable for the korean industrial standards is one which was designed not only to spread and utilize the industrial standard established for the industrial standardization but to protect the consumer In this study, the practical effects of the Korean Standard Certificate will be examined in various fields, based on the small medium enterprises which achieved the K.S. Certificate In order to look into how the system has effects on the performance of the management in a company, the method of the actual approach will be used. In the end, the purpose of this study is to find the plan in which KS Certificate can be helpful to the development of the company.

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A Study on the Standards Evaluation Method Using Standards Networks (표준 연결망을 활용한 표준의 평가방법에 관한 연구)

  • Choi, Jae Jin;Chung, Soon Suk;Kim, Kwang Soo
    • Journal of Korean Society for Quality Management
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    • v.47 no.2
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    • pp.315-325
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    • 2019
  • Purpose: The purpose of this study was to propose useful standards evaluation method using standards networks by analyzing the relationship between normative references citation information list. Methods: The collected data through the survey were analyzed using social network analysis. The measurement tools used for this study were divided into three dimensions such as certificate standard, normative reference and degree centrality. Results: The results of this study are as follows; regarding the influence of standard information, It is meaningful that the research using normative reference item among the bibliography information that the standard itself possesses. The analysis of social network analysis data of population standard, normative reference and the correlation analysis with sales, a variable representing actual utilization performance, suggested the importance of the standard and how to evaluate it. Conclusion: In prioritizing standard maintenance, more efficient management will be possible if centrality figures of standard network information are analyzed and used for standard maintenance.

Estimation of Measurement Uncertainty in Evaluation of Tensile Properties (인장 물성 측정 불확도 평가)

  • Huh, Y.H.;Lee, H.M.;Kim, D.J.;Park, J.S.
    • Transactions of the Korean Society of Mechanical Engineers A
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    • v.34 no.1
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    • pp.73-78
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    • 2010
  • Estimation of tensile properties measurement uncertainty of material was carried out. Sources of uncertainty affecting the measurement of tensile properties were classified and analyzed. The models for uncertainty evaluation of measurands to be determined from tensile test, such as elastic modulus, yield strength and tensile strength, were suggested and derived from the mathematical relations, corresponding to the respective measurands, and the measuring quantities by calculating each sensitivity coefficient of the quantities. Based on these models, the uncertainty of the tensile properties was evaluated from the experimental data of SUS316LN determined according to ISO 6892.

Studies on Production of L-Glutamic Acid from Acetate by Microorganisms -part 1. Isolation and Identification of powerful Glutamic Acid producing Bacteria- (빙초산을 탄소원으로한 글루탐산 생성에 관한 연구 -제1보 고축적능균의 분리와 동정-)

  • Yoo, Young-Jin;Kim, Taik-Young;Park, Ke-In;Kim, Ki-Joo;Han, Deok-Bong;Song, Seok-Hoon
    • Korean Journal of Food Science and Technology
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    • v.5 no.4
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    • pp.197-200
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    • 1973
  • A bacterium strain, K-73-3, which was isolated from waste soil Korea brewing factory, could grow on acetate as the sole carbone source and accumulated a considerable amount of L-glutamic acid in the liquid culture medium (20 g/l). This strain was named Corynebacterium sp. by the standard method of taxonomy procedures given in the Manual Microbiological Methods.

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A Study on Worker Exposure Level and Variation to Asbestos in some Asbestos Industries (일부 석면취급사업장의 석면폭로 농도 및 작업환경관리 기준에 관한 연구)

  • Oh, Se Min;Shin, Yong Chul;Park, Doo Yong;Park, Dong Uk;Chung, Kyou Chull
    • Journal of Korean Society of Occupational and Environmental Hygiene
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    • v.3 no.1
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    • pp.100-109
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    • 1993
  • This study was performed to evaluate the asbestos exposure levels and variations in textile, brake lining manufacturing and slate manufacturing industries. For this study, fifteen plants of brake lining manufacturing industry, 7 plants of textile industry, and 2 plants of slate manufacturing industry were selected and surveyed. Geometric means (GMs) of airborne asbestos concentrations in textile, brake lining manufacturing, and slate manufacturing industries were 1.42 f/cc(0.07-6.1O f/cc), 0.19 f/cc(<0.01-2.67 f/cc) and 0.08 f/cc(0.02-0.67 f/cc), respectively. In textile industry overall GMs of airborne asbestos concentrations in plants with less than 50 workers and in plants with more than 50 workers were 1.60 f/cc and 0.3 f/cc, respectively. Therefore, the size of plant showed some difference in the airborne asbestos concentrations. Three out of 7(42.9%) exceed the Korean standard, 2 f/cc, and every plant exceed the USA standard, 0.2 f/cc of the OSHA-Permissible Exposure Level(OSHA-PEL). Especially, one plant showed the highest average concentration of 2.87 f/cc. In brake lining manufacturing industry, the plants with less than 50 workers showed 0.22 f/cc. The plants with more than 50 workers showed 0.18 f/cc. All plants showed the exposure level below the Korean standard. Five of 15 (33.3%) were above the OSHA-PEL. One plant showed the highest average concentraton of 0.84 f/cc. In slate manufacturing industry, the average exposure level was 0.08 f/cc, and all of the plants were below the Korean standard and the OSHA-PEL.

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A Study on the Standardization of Construction Material by the Use of Three-tier Classification System of Korean Industrial Standard (KS(한국산업 규격)의 3단계분류체계를 활용한 건자재 표준화 방안 연구)

  • Lim, Seok-Ho
    • Journal of the Korean housing association
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    • v.20 no.3
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    • pp.59-67
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    • 2009
  • Since 1990s, we have achieved a certain level of success in standardization of design, construction, and material on housing and public buildings with the national-level promotion. A practical connecting device that can synthesize all the serial processes is required to maximize the effect of construction material standardization. However, desired outcome of the standardization is not achieved yet because these serial standards and notification practices are decided by each part of the process and some are congested. In this study, we aim to improve a general organizational system of Korean Industrial Standard (KS) which is the most fundamental tool for the standardization of construction materials moving from a conventional idea that the standard is only for the material and components producers to a concept that can also be shared by the designers and construction workers. To achieve this, we propose an improvement plan for the Korean Industrial Standard in the perspective of three-tier classification system.

A Study on the standardization of Construction material by the use of three-tier classification system of Korean Industrial Standard (KS(한국산업규격)의 3단계분류체계를 활용한 건자재 표준화 방안 연구)

  • Lim, Seok-Ho
    • Proceeding of Spring/Autumn Annual Conference of KHA
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    • 2009.04a
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    • pp.236-239
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    • 2009
  • Since 1990s, we have achieved a certain level of success in standardization of design, construction, and material on housing and public buildings with the national-level promotion. A practical connecting device that can synthesize all the serial processes is required to maximize the effect of construction material standardization. However, desired outcome of the standardization is not achieved yet because these serial standards and notification practices are decided by each part of the process and some are congested. In this study, we aim to improve a general organizational system of Korean Industrial Standard (KS) which is the most fundamental tool for the standardization of construction materials moving from a conventional idea that the standard is only for the material and components producers to a concept that can also be shared by the designers and construction workers. To achieve this, we propose an improvement plan for the Korean Industrial Standard in the perspective of three-tier classification system.

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Atmospheric Concentration of Heavy Metals of Pusan Area (부산지역의 대기 중 중금속 농도)

  • Song, In-Hyeok;Cho, Gyu-Il;Moon, Deog-Hwan;Lee, Chang-Hee;Kang, Jung-Hak;Kim, Jong-Gab;Han, Yong-Soo;Lee, Chae-Un
    • Journal of Preventive Medicine and Public Health
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    • v.28 no.3 s.51
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    • pp.726-733
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    • 1995
  • This study was carried out to assess the present level of atmospheric metals. Five metals - lead, cadmium, chromium, manganese, vanadium - were checked on the industrial(Sasang) and residental area(Daeshindong) in the city of Pusan. Sampling period was the year of 1986, 1990 and 1994, and the sampling time was 2 days of each site. As the result of comparison with the atmospheric standard of ASHRAE(1980), the average concentrations of lead was above the standard, the average concentrations of chromium was around the standard, and the average concentrations of cadmium and vanadium was below the standard. The average concentrations of manganese was above the standard of industrial environment. And the average concentrations of five metals was higher in the industrial area than the residental area. The average concentrations of lead, cadmium and chromium showed the increase tendency by the year, and the average concentrations of vanadium showed no change, and the average concentrations of manganese showed the decrease tendency. As a result of correlation analysis, lead and cadmium(r=0.31), vanadium and manganese(r=0.24), vanadium and chromium(r=0.19) showed significance.

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A Subject on the Consolidation of South and North Korean Industrial Standard Preparing for Reunification (통일을 대비한 남북한 산업표준 통일화 과제)

  • 윤덕균
    • Journal of Korean Society of Industrial and Systems Engineering
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    • v.23 no.57
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    • pp.103-112
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    • 2000
  • Now, the possibility of Unification South and North Korea is much higher than any other times and the various fields of society, including politics, have been tried to overcome the differences between two nations. Most of all, overcoming the industrial differences for economic co-operation is one of the most important issues. About 50% of Export goods has been put in the claim in South Korea because of quality problems. And one of the important reasons is because of industrial standards. These kind of problems would be occur with economic co-operation. so the study about the standards of North Korean industries is much important before the trades is boomed. And this research would decrease the expense of unification of South and North before the difference would be larger than now. That's why the conference for industrial standards between South and North Korea should be held soon in order to overcome the differences of industrial standards. This paper not only suggested the difficulties and needs of the industrial standard unification, but also researched North Korean industrial standardization and quality inspection systems with specific examples. And this study proposed some subjects of the industrial standard unification and the present situation of standards between two nations.

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