• Title/Summary/Keyword: Standard addition

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A Study on Improvement of Barrier Free Door Standard (Barrier Free 출입문 규격기준 개선에 관한 연구)

  • Kim, In-Bae;Kim, Won-pil
    • Journal of The Korea Institute of Healthcare Architecture
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    • v.23 no.4
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    • pp.7-15
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    • 2017
  • Purpose: The Korean government has implemented a Barrier Free Certification System since 2008 to create a secure and convenient environment for the socially disadvantaged. The drastic increase in the number of BF-certification facilities is expected due to the revision of the system and increasing the number of certification institutions. An analysis of individual evaluation items needs to be made for the BF-Certification with public confidence. Method: Korean standard, International Standard(ISO/FDIS 21542, 2011), German Standard(DIN 18040-1, 2010), Austrian Standard(${\ddot{O}}NORM$ B 1600, 2017) and Swiss Standard(Norm SIA 500 / SN 521 500, 2009) were investigated and analyzed. A comprehensive improvement plan is proposed by comparing details of the aforementioned standards and the evaluation items of BF-Certification. Results: Many problems arise in applying existing Barrier-free standards due to changes in population structure, environmental change and the use of powered wheelchairs. International standards are being improved to solve these problems. The korean standards also require improving of the Barrier Free Law and Certification System, which reflect these trends. In korean cases, standards such as the size of the doors (width and height), the Unobstructed Manoeuvring Space and Clear Space at the Latch side of the Door are required to improve standards in accordance with international standards. In addition, the expression of laws and evaluation items of BF-Certification should be clearly defined. And the application of visual contrast standards for the enhancement of perceptions presented in international standards should be considered. Implication: Barrier Free related legal standards and evaluation items of BF-Certification that are used in Korea are required to be revised in consideration of social and environmental changes. Comprehensive improvements should be made through detailed review.

A Comparison Study on Various Quantum Dots Light Emitting Diodes Using TiO2 Nanoparticles as Inorganic Electron Transport Layer (무기 전자 수송층으로 TiO2 나노입자를 사용한 다양한 양자점 전계발광 소자의 특성 비교 연구)

  • Kim, Moonbon;Yoon, Changgi;Kim, Jiwan
    • Journal of the Microelectronics and Packaging Society
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    • v.26 no.3
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    • pp.71-74
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    • 2019
  • In this study, we fabricated two standard and inverted quantum dot light emitting diodes (QLEDs) using $TiO_2$ nanoparticles (NPs) with lower electron mobility than ZnO NPs as inorganic electron transport layer to suppress electron injection into the emitting layer. Current density was much higher for the inverted QLEDs than the standard ones. The inverted QLEDs were brighter, but showed low current efficiency due to the high current density. In addition, as the current density was higher, the driving voltage was higher, and the red shift was confirmed in the emission wavelength spectrum. The low current density in the standard structured devices showed that the possibility that $TiO_2$ NPs could suppress the electron injection in the QLEDs.

Perception Survey on the Necessity of Improvement for the Standard Buoys Fouling Maintenance

  • Yoo, Yun-Ja;Kim, Tae-Goun;Gug, Seung-Gi
    • Journal of Navigation and Port Research
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    • v.43 no.2
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    • pp.93-100
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    • 2019
  • In 2001, about 20 years after the introduction of the standard buoys, the natural environment and maritime traffic flow changes in the waters near Korea and the necessity of improvement of the AtoN (Aids to Navigation) maintenance was suggested. The IALA provides guidelines for maintenance and management of AtoN, and Korea provides guidelines for the management and operation of standard buoys by means of the Enforcement on the AtoN laws. The objective of this study was to investigate the installation status and the repair status of the standard type buoys by sea area in order to improve the management and operation of the steel standard buoys. In addition, a survey was conducted on the improvement of the steel buoy fouling and the improvement of the lifting inspection cycle towards on the AtoN managers and producers of the representative authority by sea area. In the case of LL-26 (M) buoy type, the standard type buoy installation status of Korea in 2017 was 57.1%, and the LL-26 (M) type was 58.9% showing the highest repair rate. According to the results of the survey on buoys fouling, 51.2% were caused by the attachment of shellfish, and 43.2% were caused by bird feces. The results of the survey on the improvement of the regular buoy inspection cycle showed that the measures are to maintain the current inspection period of 2 years regardless of the characteristics of the sea area (water depth, inside and outside port, buoy size, etc.).

A Comparison of Compliance with Standard Precautions for Infection Prevention between Nurses at Accredited Korean Medicine Hospitals and Non-accredited Korean Medicine Hospitals (인증 한방병원과 비인증 한방병원 간호사의 감염예방 표준주의지침 수행도의 차이 비교)

  • Shim, Sean Ja;Park, Hyunju
    • Journal of East-West Nursing Research
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    • v.28 no.2
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    • pp.91-99
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    • 2022
  • Purpose: The purpose of this study was to compare compliance with standard precautions of infection prevention between nurses at accredited Korean medicine hospitals and non-accredited Korean medicine hospitals. Methods: Data were collected from a total of 138 participants (69 nurses from 3 accredited hospitals and 69 nurses from 3 non-accredited hospitals) in January of 2021 using structured questionnaires. Descriptive statistics, t-test, one-way ANOVA, and multiple regression analyses were carried using the SPSS Statistics 24.0 Program. Results: Results showed that the scores of nurses' compliance with standard precautions of infection prevention at accredited Korean medicine hospital (40.54±2.74) were significantly higher (p=.002) than the scores of nurses at the non-accredited Korean medicine hospitals (38.94±3.28). After controlling for covariates, the results were same. In addition, we found that scores of compliance with standard precaution for infection prevention in nurses at hospitals belong to university were significantly high compared to those of nurses at private hospitals. We also found that the scores of compliance with standard precaution for infection prevention in nurses with more than 5 years of experience were significantly higher than those of nurses with less than 3 years of experience (p=.039). Conclusion: Nurses working at the accredited Korean medicine hospitals showed higher scores of compliance with standard precaution for infection prevention. Therefore, it is suggested that the participation in the hospital accreditation program should be encouraged for the Korean medicine hospitals.

An Analytical Study of National and International Care Label Systems of Textile and Apparel Products

  • Sanad, Reham A.;Kang, Zi Young
    • Fashion & Textile Research Journal
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    • v.20 no.3
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    • pp.331-342
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    • 2018
  • This paper enables stakeholders involved in textile industry to gain an overview of standards used for care labelling and help establish a common standard that could be used as a universal standard. This study provides a comprehensive and detailed analytical study of care labelling standards adopted by common countries in the textile market. It was found that the development of a universal system for care labeling could enhance the trade of textile articles and assist consumers in caring for textile articles. Universal care label systems could be characterized by two main features of inclusiveness and comprehensiveness. The range of instructions and symbols presented were found different among standards. Insignificant differences in symbols' shapes were found between standards for bleaching, ironing and professional cleaning. The washing process had the widest variety of instructions; in addition, options were provided by stated standards. Different meanings were found for similar shapes in some tumble drying symbols. The study findings show the importance of enhancing text based standards or the development of an understandable format across as many cultures as possible. The unification of symbols and meanings may be needed to provide global consumers consistent guidance. The efficiency of a detailed standard that provides and covers a wide range of instructions is an important aspect. The visibility and practicality of offering variable options/symbols in one standard is an important aspect for developing a universal care label system.

Implementation of Demo Program for Visual Communication in Compliance with MPEG-21 Part 22: User Description (MPEG-UD 표준을 준수하는 비쥬얼 커뮤니케이션 데모 프로그램 개발)

  • Lim, Hea-Jin;Choi, Jang-Sik;Jeon, Jin-Young;Byun, Hyung-Gi
    • Journal of Sensor Science and Technology
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    • v.25 no.4
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    • pp.297-301
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    • 2016
  • ISO/IEC JTC1/SC29WG11 MPEG has been standardizing UD(user description) to give a user personalized recommendation services. Besides, CD(context description), service description(SD), and recommendation description(RD) are recently being standardized by UD Adhoc Group in MPEG with an advanced UD to cope with needs of current and upcoming services such as augmented reality and social network. The descriptions was reflected to MPEG-UD WD(Working Draft) at MPEG $107^{th}$ meeting and the document was finally approved as international standard by national bodies with standard number(ISO/IEC IS 21000-22 UD) at $114^{th}$ MPEG meeting. In addition, reference software WD to validate conformance of UD standard was approved at $113^{th}$ MPEG meeting. In this paper, we developed a demo program for visual communication according to guideline defined in reference software WD to validate the reference software as well as UD standard.

A Study on the Standard Nude Size for Making Men's Casual Wear for the 25~34 Age Group (남성 캐주얼 의류제작을 위한 호칭별 기준 누드사이즈 연구 - 25세~34세를 중심으로 -)

  • Sung, Ok-Jin;Yang, Chung-Eun
    • Journal of the Korean Society of Clothing and Textiles
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    • v.34 no.4
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    • pp.588-596
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    • 2010
  • This study suggest the size designation and standard nude size in relation to upper and lower garments for casual clothing brands targeting men aged 25 to 34. The nude size designation of upper garments was set at intervals of 5cm based on the bust (97cm). The clothing industry has used different nude size and designations; therefore, the following measurements were established to correspond to each other: bust 87cm- designation 90, bust 92cm- designation 95, bust 97 cm-designation 100, bust 102cm- designation 105, and bust 107cm- designation 110. The nude size designation of lower garments was set at intervals of 2cm based on the waist circumference (omphalion) and the nude size; the clothing designations were used equally. In addition, the standard nude size for upper and lower garments was set at intervals of bust (97cm) and of waist circumference (82cm), respectively, in order to suggest a detailed size.

Identity-based Threshold Broadcast Encryption in the Standard Model

  • Zhang, Leyou;Hu, Yupu;Wu, Qing
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • v.4 no.3
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    • pp.400-410
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    • 2010
  • In an identity-based threshold broadcast encryption (IDTHBE) scheme, a broadcaster chooses a set of n recipients and a threshold value t, and the plaintext can be recovered only if at least t receivers cooperate. IDTHBE scheme is different from the standard threshold public key encryption schemes, where the set of receivers and the threshold value are decided from the beginning. This kind of scheme has wide applications in ad hoc networks. Previously proposed IDTHBE schemes have ciphertexts which contain at least n elements. In addition, the security of theses schemes relies on the random oracles. In this paper, we introduce two new constructions of IDTHBE for ad hoc networks. Our first scheme achieves S-size private keys while the modified scheme achieves constant size private keys. Both schemes achieve approximately (n-t)-size ciphertexts. Furthermore, we also show that they are provablesecurity under the decision bilinear Diffie-Hellman Exponent (BDHE) assumption in the standard model.

Analysis and Implications of Staffing Standards for Public Library in Korea and Foreign Countries (국내외 공공도서관 직원배치기준의 분석과 시사점)

  • Yoon, Hee-Yoon
    • Journal of Korean Library and Information Science Society
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    • v.42 no.1
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    • pp.73-95
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    • 2011
  • The success or failure of the public library system depends upon the effective management of the human resources. It means that public library's staff is the most important resource in the operation and delivery of services. In order to provide the best service to the community, therefore, it is necessary to maintain excellent staff to make effective use of the information resources of the library and to meet the demands of the community. The goal of this study is to compare and analyse the staff standards and guidelines of public libraries in international organizations(IFLA/UNESCO, ISO), major developed countries(USA, UK, Canada, Australia, Taiwan, Japan), and Korea. In addition, the implications derived from this study will be used to provide a valuable theoretical background and rationale for the future research.

A Study of the Long-term Fuel Mix with the Introduction of Renewable Portfolio Standard (RPS(Renewable Portflio Standard) 제도 도입에 따른 국내 장기 전원구성 변화에 관한 연구)

  • Lee, Jeong-In;Han, Seok-Man;Kim, Bal-Ho H.
    • The Transactions of The Korean Institute of Electrical Engineers
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    • v.58 no.3
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    • pp.467-477
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    • 2009
  • Renewable Portfolio Standard (RPS) is a regulatory policy that requires the generation companies to increase the proportion of renewable energy sources such as wind, solar, LFG, fuel cell, and small hydro. Recently, Korean government decided to increase the portion of renewable energy to 3% to total electricity generation by 2012 from the current level of 0.13%. To achieve this goal, an innovative plan for market competitiveness would be required in addition to the present Feed-In-Tariff (FIT). That is Korean government has taken it into consideration to introduce a Renewable Portfolio Standard (RPS) as an alternative to FIT. This paper reviews the impact of RPS on the long-term fuel mix in 2020. The studies have been carried out with the GATE-PRO (Generation And Transmission Expansion PROgram) program, a mixed-integer non-linear program developed by Hongik university and Korea Energy Economics Institute. Detailed studies on long-term fuel mix in Korea have been carried out with four RPS scenarios of 3%, 5%, 10% and 20%. The important findings and comments on the results are given to provide an insight on future regulatory policies.