• Title/Summary/Keyword: web materials

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Development of Internet Web - based RADIANCE Rendering System : I. Establishment of the Luminaire Database (인터넷 웹기반 RADIANCE 가시화 시스템의 개발 : I. 조명기구의 데이터베이스 구축)

  • Choi, An-Seop;Lee, Jung-Eun;Oh, Eun-Suk;Song, Kyoo-Dong
    • Journal of the Korean Institute of Illuminating and Electrical Installation Engineers
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    • v.18 no.5
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    • pp.1-8
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    • 2004
  • In the present, most lighting simulation programs are based on luminaires data produced at overseas. Currently, it is difficult to use proper domestic luminaire database in most lighting simulation programs, because there are only oversea luminaire database available. Therefore, in this study, domestic luminaire database were developed and categorized, and applied to Internet Web-based RADIANCE rendering system. Luminaire database are constructed with 3D modeling, materials, and IES candlepower distribution data of each luminaire.

Development of Web-based Design Compatibility Assessment Program for High Temperature Reactor (고온로 설계 적합성평가 프로그램 개발)

  • Cho, Doo Ho;Surh, Han Bum;Choi, Jae Boong;Huh, Nam Su;Choi, Young Hwan
    • Transactions of the Korean Society of Pressure Vessels and Piping
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    • v.9 no.1
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    • pp.48-55
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    • 2013
  • In this paper, W-DCAP-HTR(Web-based Design Compatibility Assessment Program for High Temperature Reactor) which will be used to check the design criteria for high temperature reactor is newly proposed. To do this, the assessment procedure of the ASME Sec.III Div.5 such as time-dependent primary stress limit, accumulated inelastic strain, and creep-fatigue damage evaluation were investigated. Furthermore, the trend of candidate materials for high temperature reactor was also reviewed. Then, all assessment procedures for high temperature reactor have been computerized to enhance the efficiency and to reduce the possibility of human error during calculating procedure by hand calculation. It can be directly conducted by adopting the actual thermal and structural analysis results. The validation of W-DCAP-HTR has been demonstrated by benchmark analysis.

BDM Rolling of Middle Sized H-beams from a Bloom (블룸을 이용한 중형 H 형강 BDM 압연 공정 연구)

  • Kim, J.M.;Kim, K.W.;Kim, B.M.
    • Transactions of Materials Processing
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    • v.25 no.1
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    • pp.43-48
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    • 2016
  • H-beams are generally produced by hot rolling composed of a Break Down Mill (BDM) and a Finishing Mill (FM). The goal of the current study was to develop BDM rolling of H300x300 beams from blooms slit from slabs. In order to manufacture H300x300 beams, the caliber design and the pass schedule of BDM rolling were proposed for a bloom instead of a beam blank. The proposed BDM caliber design and pass schedule were tested using FE-simulation and pilot tests. For the major shape dimensions, such as flange width, web height, web thickness, as well as BDM rolling loads, a comparative analysis between the FE-simulation and the pilot rolling tests was conducted. The results of FEM analysis and pilot rolling tests showed good consistency. Moreover, BDM rolling loads were predicted to be in the range of allowable rolling loads. It was concluded that the designed BDM rolling is suitable for implementation within current manufacturing capacity.

Comparison of the Users' Assessment about Internet and OPAC Based on Toolbar (툴바 제공에 의한 인터넷과 OPAC의 이용자 평가 비교연구)

  • Lee, Hyun-Sil
    • Journal of the Korean BIBLIA Society for library and Information Science
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    • v.21 no.2
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    • pp.145-157
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    • 2010
  • University library users prefer the internet to OPAC, when they search for information. It is necessary to develop interface of OPAC that is nearly as convenient as the internet. This study provides users with University Library Toolbar which is one of the ways to implement Web 2.0, and proved that OPAC is also a convenient and useful searching tool by offering the toolbar. In addition, the causes of the preferences of the internet sites surveyed for this study and the point shown in the comparison between the internet and OPAC are going to be essential materials to implement more convenient OPAC and Library 2.0.

ON-LINE PSEUDO-DYNAMIC NETWORK TESTING ON BASE-ISOLATED BRIDGE USING WEB-BASED JAVA MONITORING SYSTEM (자바 모니터링 서버를 이용한 면진교량의 온라인 네트워크 유사동적 실험)

  • Park, D.U.;Yun, C.B.;Lee, J.W.;Nagata, K.;Watanabe, E.;Sugiura, K.
    • Proceedings of the Earthquake Engineering Society of Korea Conference
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    • 2005.03a
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    • pp.477-486
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    • 2005
  • 본 논문에서는 한국과 일본에 위치한 여러 연구기관들 사이에서 수행된 온라인 네트워크 유사동적 실험 결과에 대해 나타내었다.예제 구조물로는 4경간 연속의 면진 교량을 이용하였다. 실험 장비를 보유하고 있는 두 연구기관에서 면진 장치의 비선형 거동에 대한 실험을 수행하고 각 실험 결과를 조합하여 전체 구조의 동적 해석을 수행하였다. 본 논문에서는 먼저 인터넷을 이용한 두 가지 데이터 전송기법을 이용하여 두 기법의 효율성을 비교, 분석하였다. 또한 최근 국내에 위치한 두 연구기관 사이에서 수행된 실험 결과에 대해 논의하였다. 본 연구에서는 상대 연구기관의 실험 상황 및 수행된 실험 결과의 효율적인 모니터링을 위하여 웹 기반의 자바 모니터링 시스템을 개발하였다. 마지막으로 유선과 무선 인터넷을 이용한 온라인 실험 기법에 대하여 나타내었다. 그 결과, 온라인 네트워크 실험에 소요된 실험 시간은 데이터 전송 기법과 실험장비에 따라 매 시간 단계의 데이터 전송에 0.2-15초, 각 연구기관의 유사동적 실험에 1-10초의 시간이 소요되어 매우 큰 폭으로 변화함을 알 수 있었다. 또한 무선 인터넷을 이용한 온라인 실험의 경우, 뛰어난 이동성과 인터넷 보안성 등과 같은 여러 가지 장점을 가지고 있음을 알 수 있었다.

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Development of Various Inorganic Crystal Structure Database Retrieval System (다양한 무기결정구조데이터베이스(ICSD) 검색 시스템 개발)

  • 김지영;이상호;한정민
    • Proceedings of the Korea Contents Association Conference
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    • 2004.05a
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    • pp.529-534
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    • 2004
  • KISTI has intended to provide domestic researchers of chemistry and materials with the Inorganic Crystal Structure Database free of charge. Therefore, we construct the database and develop new web-based information searching system with the use of the ICSD data licensed by the FIZ Karlsruhe, Germany. We organize several menus possible to search the structure of crystal in a variety of ways on the web and the search results show not only numerical data of the structure of crystal but also the graphic of X-ray diffraction pattern and the 3-dimension structure of crystal. The data will be updated continuously and the searching system will be improved in order to provide researchers with information easily and swiftly.

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Analysis of Baby Bath Preparation (소아용 입욕제품의 분석 및 고찰)

  • Lee, Hye-Lim;Han, Jae-Kyung;Kim, Yun-Hee
    • The Journal of Pediatrics of Korean Medicine
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    • v.25 no.2
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    • pp.102-110
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    • 2011
  • Objectives: The purpose of this study is to analyze the baby bath preparation and provide necessary information on the upcoming herbal bath preparation for atopic dermatitis. Methods: We selected 113 baby bath preparation by searching typing in "baby bath preparation" in 6 major web-search-engines, and 17 web shopping malls in Korea. 11 items were evaluated under three criteria : type of product, function and ingredient of goods. Results: Result showed that the most common type of bath preparation were liquid type. 96% of the products contained medical agents. Ingredients of the medical agents were herbal medicine, aroma oil, spring and sea ingredients, vitamin and extract. 33% of the products were bath preparation for the atopic dermatitis and 74% of the products were only for the baby. Conclusions: It is necessary to make a government level guideline for natural materials used in bath preparation, and to develop new products contained herbal medicine abide by oriental medical theory.

A Study on Web-based Electronic Reference Services of Academic Libraries (대학도서관의 웹기반 전자참고정보 서비스에 관한 연구)

  • 유재옥
    • Journal of the Korean Society for information Management
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    • v.17 no.4
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    • pp.171-186
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    • 2000
  • The slody examined whethcr academe libraries deliver web~hased electronic relerencc services lo remole users. Amo~~g 178 acadclnlc lihraies. only 25.5% prolide reference services of inlroducing eleclronic reference materials and 20.8% o f h electron~c rdel-coce mquq rcwices. However, the use oi electronic access to reference inquuy was weak. One acarlcmic llbrarr reccived on avn-agc 3.2 queslions pcr monlh ovw elecmnic reference inquiries Irom remo~e users. Among the 1,128 questions i-cccived eleclroo~ci~lly, oldy 19.8% were reyardcd as real rekrencc queslmns.

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Improvement in Operation Efficiency for Chip Mounter Using Web Server

  • Lim, Sun-Jong;Joon Lyou
    • International Journal of Precision Engineering and Manufacturing
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    • v.4 no.6
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    • pp.5-11
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    • 2003
  • The number of the enterprises which utilize network technology has been increasing for solving problems such as productivity improvement, market trend analysis, and material collection for making decision. Especially, the management of equipment and the recovery time reduction when machines break down are very important factors in productivity improvement of the enterprise. Currently, most of the remote trouble diagnosis of equipment using the internet have just one function of transmitting the trouble information to the user. Therefore it does not directly reflect the user's recovery experience or the developer's new recovery methods. If the user's experienced recovery methods or the developer's recovery methods as well as the basic recovery methods are reflected online or on the internet, it makes it possible to recover faster than before. In this paper, we develop a Remote Monitoring Server (RMS) for chip mounters, and make it possible to reduce the recovery time by reflecting the user's experience and developer's new methods in addition to presenting the basic recovery methods. For this, trouble recovery concept will be defined. Based on this, many functions(trouble diagnosis, the presentation of the basic recovery methods, user's and developer's recovery method, counting function of the trouble number of each code, and presentation of usage number of each recovery methods) were developed. By utilizing the reports of the actual results of chip mounter and the notice function of the parts change time, the rate of operation of the chip mounter can be improved.

Analysis of the Metal Flow in H-Beam Rolling using Beam Blank (빔 블랑크를 이용한 H 형강 압연 거동 연구)

  • Kim, J.M.;Choi, W.N.;Park, C.S.;Kim, K.W.
    • Transactions of Materials Processing
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    • v.22 no.7
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    • pp.383-388
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    • 2013
  • Metal flow of the beam blank during H-beam rolling was examined in order to correlate the rolling defects with the beam blank configuration. For this purpose, H-beam rolling was performed on the beam blank where stainless steel bolts were inserted as the marker at the web and flange. The positional variation of the marker was monitored at each rolling pass, and the result was compared with the 3D FEM simulation employing the point tracking function. The simulation results were reasonably agreed with the experimental within the error of 0.5~1mm on both web and flange of the H-beam. It is anticipated that the 3D FEM simulation employing the point tracking function provides the guidance information on analyzing the correlation between the rolling defects and the beam blank configuration in H-beam rolling.