• Title/Summary/Keyword: 품질관리요소

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A Study on the Case of Quality Innovation with Building Evaluation Method for System Diagnosis (시스템 진단 평가 체계 구축을 통한 품질 혁신 사례 연구)

  • Ryou, In-Ho;Shin, Hyun-Jong;Yun, Kwang-Dong
    • 한국IT서비스학회:학술대회논문집
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    • 2007.05a
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    • pp.431-438
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    • 2007
  • SI 프로젝트에서 품질을 혁신하기 위해서는 시스템 생명 주기 각 단계에서 품질 관리 활동을 강화해야 할 뿐만 아니라 통합된 시스템 관점에서 각 계층(Layer)별, 요소(Component)별 특성을 고려하여 체계적인 시스템 진단 평가 활동을 수행할 필요성이 있다. 시스템 진단 평가 활동은 품질 이슈를 찾아내는 작업과 품질 이슈를 해결하는 작업이 톱니바퀴처럼 맞물려 수행되어야 한다. LG CNS는 프로젝트의 품질 이슈를 적기 진단하기 위해서 시스템 진단 평가 체계를 구축했으며, 프로젝트 현장에서 이를 적용하여 품질 혁신에 기여하고 있다.

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Measurement uncertainty for QC/QA applied to the chemical analysis (화학 분석 결과의 QA/QC를 위한 측정 불확도)

  • Woo, Jin-Chun;Oh, Sang-Hyub;Kim, Byoung-Moon;Bae, Hyun-Kil;Kim, Kwang-Sub;Kim, Young-Doo
    • Analytical Science and Technology
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    • v.18 no.6
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    • pp.475-482
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    • 2005
  • The expression of uncertainty applied to the chemical analysis is highly recommended with increasing demands upon the systematic quality assurance and control(QA/QC) with ISO 17025. For the quantification of quality source, 7 major common sources of uncertainty, normally contributing to the quality of the chemical analysis, were selected from QA/QC literatures of chemical analysis. They were classified into repeatability, drift, uncertainty in standards, linearity of calibration, homogeneity, stability of sample, and matrix effect. And, the quantification of the sources by means of measurement uncertainty was proposed as a prerequisite steps for QA/QC. Examples applied to the quantification procedures of modelling, combination and expression of standard uncertainty for the 7 major common sources were presented as a reference guide for QA/QC in chemical analysis.

Pathological Factors Affecting DNA Quality in BRAF, EGFR, and KRAS Gene Molecular Tests (BRAF, EGFR, KRAS 유전자 분자병리검사에서 DNA 품질에 영향을 미치는 병리학적인 인자에 관한 연구)

  • Yun, Hyon-Goo;Kim, Bo-Ra;Lee, Joo-Mi;Song, Eun-Ha;Kim, Dong-Hoon
    • Korean Journal of Clinical Laboratory Science
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    • v.52 no.4
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    • pp.381-388
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    • 2020
  • The quality control of pathological specimens is important for accurate molecular pathology testing. This study evaluated that specimen factors affecting the DNA quality during tissue processing and sample types for BRAF, EGFR, and KRAS mutations tests. One thousand seven hundred and seventy-two molecular pathology tests were investigated for the factors influencing the DNA quality, such as sample type, formalin fixation time, and reexamination status. Cytology samples stored in a saline solution had better DNA quality than commercial cytology preservation. Tissue samples fixed in formalin within 24 hours had better DNA quality than the samples fixed over 24 hours. Between the types of samples, fresh tissue samples and tissue samples with a high tumor cell density had relatively better DNA quality than the formalin-fixed paraffin-embedded (FFPE) tissues and cytology specimens. Of real-time PCR, the non-PNA Ct value increased proportionally with samples held for longer than 24 hours in formalin, and that the formalin-fixed time affects the sample DNA quality. In conclusion, the appropriate tumor cellularity and 10% neutral formalin fixation time are the most important factors for maintaining the DNA quality. These factors should be managed properly for an accurate pathological molecular test to ensure optimal DNA quality.

A Study on Rapid Color Difference Discrimination for Fabrics using Digital Imaging Device (디지털 화상 장치를 이용한 섬유제품류 간이 색차판별에 관한 연구)

  • Park, Jae Woo;Byun, Kisik;Cho, Sung-Yong;Kim, Byung-Soon;Oh, Jun-Ho
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.20 no.8
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    • pp.29-37
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    • 2019
  • Textile quality management targets the physical properties of fabrics and the subjective discriminations of color and fitting. Color is the most representative quality factor that consumers can use to evaluate quality levels without any instruments. For this reason, quantification using a color discrimination device has been used for statistical quality management in the textile industry. However, small and medium-sized domestic textile manufacturers use only visual inspection for color discrimination. As a result, color discrimination is different based on the inspectors' individual tendencies and work procedures. In this research, we want to develop a textile industry-friendly quality management method, evaluating the possibility of rapid color discrimination using a digital imaging device, which is one of the office-automation instruments. The results show that an imaging process-based color discrimination method is highly correlated with conventional color discrimination instruments ($R^2=0.969$), and is also applicable to field discrimination of the manufacturing process, or for different lots. Moreover, it is possible to recognize quality management factors by analyzing color components, ${\Delta}L$, ${\Delta}a$, ${\Delta}b$. We hope that our rapid discrimination method will be a substitute technique for conventional color discrimination instruments via elaboration and optimization.

A Study of Web Application Security Quality Architecture Management Process referenced ISO/IEC9000 Model (ISO/IEC9000모델을 참조한 웹 애플리케이션 보안품질 관리체계 설계)

  • Kim, Jeom-Goo;Noh, Si-Choon;Lee, Do-Hyeon
    • Convergence Security Journal
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    • v.12 no.3
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    • pp.11-17
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    • 2012
  • According to ISO/IEC 9000, quality to satisfy users' requirements when using the product or service is defined as the characteristics of the synthesized concept. Secure web application coding information systems with the reliability and quality of service is one of the determining factor. Secure coding in order to achieve the quality based on the model is necessary. The reason is that the security is in quality properties in the range of non-functional requirements that necessitates. Secure coding for the design of quality systems based on the quality of the definition of quality attributes, quality requirements, quality attribute scenarios are defined, and must be set. To this end, referring to IEEE 1061 quality model for web application, quality model structure is developed. Secure web application architecture design is composed of coding quality of the model systems, web applications draw interest to stakeholders, decision drivers secure coding architecture, quality attributes, eliciting quality requirements of the security settings, creating web application architecture descriptions and security framework.

Study on the relationship among web characteristics, airline service quality and customer satisfaction (웹특성이 항공서비스 품질과 고객만족에 미치는 영향에 관한 연구)

  • Yoon Seung-Ja;Lee Sang-Shik
    • Journal of Korea Society of Industrial Information Systems
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    • v.10 no.3
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    • pp.64-73
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    • 2005
  • This paper is purposed to investigate the relationship among web characteristics, service quality and customer satisfaction. After analyzing the data collected from 137 customers, it was proved that web service did not affect on the customer satisfaction directly, but affected indirectly through service quality. Therefore we conclude that customer satisfaction efforts through web site are important as a competitive weapon in an airline industry.

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축산물의 냉동시스템

  • 이성주
    • The Magazine of the Society of Air-Conditioning and Refrigerating Engineers of Korea
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    • v.33 no.7
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    • pp.33-37
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    • 2004
  • 우리나라의 축산물은 소와 돼지가 주를 이루고 있는데, 이의 도축후 냉각에 있어 특별한 관리가 미흡한 실정이다. 그러나 유럽에서는 축산물 도축 후 냉각시스템은 육류의 품질관리에 가장 중요한 요소로 여겨지고 있다. 특히 도축전후의 냉동냉장 기술은 육질뿐만 아니라 중량의 감소를 최소화 할 수 있는 기술로서 중요한 관리점이 되고 있다. 본 고에서는 과거 우리나라에 일부 소개되었던 유럽의 축산물 냉각시스템의 내용 중 축산물 도축 후 냉각시스템을 중심으로 요약 정리하였다. (중략)

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A Case Study on the Ham Production Process

  • Cha, Young-Joon;Lee, Jae-Man;Hong, Yeon-Woong
    • 한국데이터정보과학회:학술대회논문집
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    • 2006.04a
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    • pp.221-227
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    • 2006
  • 본 연구는 경북에 소재한 식품회사인 S사의 햄 생산공정의 개선을 위하여 통계적 공정관리기법을 적용한 것이다. 햄의 중량은 햄의 품질에 대한 소비자의 신뢰와 기업의 수익성에 영향을 미치는 풍요한 요소이다. 연구의 목적은 햄 생산공정의 경제적 규격한계 확보를 통하여 기업의 이익을 극대화하는데 있나. 기본적인 통계적 공정관리 기법인 평균-범위 관리도, 공정능력분석, 측정시스템 평가분석 등을 이용하여 햄 공정을 분석하고, 최적 규격한계를 설정하였다.

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거푸집공사의 재해 위험성 평가에 관한 연구

  • 오준호;고성석
    • Proceedings of the Korean Institute of Industrial Safety Conference
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    • 2002.05a
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    • pp.109-114
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    • 2002
  • 건설공사의 공종 중 거푸집공사는 전체공사기간의 대략 25%를 차지하고 있으며 공사비 비율은 일반적으로 전체공사비의 10~15%, 철근콘크리트공사비의 20~30%를 차지하고 있어 구조물의 안전성, 경제성 및 작업성과 품질관리에 중요한 역할을 한다. 또한 거푸집은 콘크리트가 양생되면 곧 해체되는 가설구조물로써 작업상에서 많은 위험요소를 포함하고 있으며 특히, 아파트공사의 경우 전체 재해발생의 17%로 가장 높은 비율을 차지하고 있다. 이와 같이 거푸집공사는 가장 우선적으로 관리하여야 할 위험공종이며 전체공기를 좌우하는 주공정으로서 이를 재해발생의 측면에서 제어하는 것이 안전관리에 있어서 가장 효율적이며 큰 효과를 나타낼 수 있는 것으로 생각된다.(중략)

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E-book Customer Service Satisfaction by Using E-S-Qual (e-서비스 품질 평가모형을 이용한 전자책 서비스 이용자 만족도 연구)

  • Kim, Dong Eun;Ahn, Nah-Yeon;Lee, Kyoung-Ryul
    • The Journal of the Korea Contents Association
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    • v.14 no.7
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    • pp.559-570
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    • 2014
  • The purpose of this study is to derive the suggestion of satisfaction of e-book services on the basis of the recent literature on quality assessment for e-service which have been mainly studied on library realm. For this purpose, This study added post-management service which is applicable to measure satisfaction of e-book services based on E-S-Qual and Libqual. We expand our scope of service to using of e-book content and services for individual customers, and analyzed the relationship between satisfaction with the system, the content, the after-sale service. On this foundation, existing e-book service companies can offer their services more efficiently, thereby making the e-book content more diverse, along with developing specialized e-book service to increasing their customer's satisfaction. In addition, the latest and diversity is important as well. Moreover, performing rapid post-management services after the sale of the product or service, can be important variables for customer satisfaction. Therefore, not only the system and content, providing required level post-management services by customers can satisfy the existing customers and create new customers.