• 제목/요약/키워드: Interface Agent

검색결과 377건 처리시간 0.041초

플라즈마 표면처리에 따른 고분자절연재료용 유리섬유의 표면개질 (Surface Modification of Glass Fiber for Polymer Insulator by Plasma Surface Treatment)

  • 임경범;이덕출
    • 대한전기학회논문지:시스템및제어부문D
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    • 제52권5호
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    • pp.206-206
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    • 2003
  • It is hard to expect excellent electrical, mechanical and chemical properties from most of the composite materials presently used as insulators due to insufficient wettability property caused by the difference of interfacial properties between the matrix material and the reinforcer. Therefore, various interfacial coupling agents have been developed to improve the interfacial properties of composite materials. But if the wettable coupling agents are used outdoor for a long time, change in quality takes place in the coupling agents themselves, bringing about deterioration of the properties of the composite materials. In this study, glass surface was treated by plasma to examine the effect of dry interface treatment without coupling agent. It was identified that the optimum parameters for the best wettability of the samples at the time of generation of plasma were oxygen atmosphere, 0.1 torr of system pressure, 100 W of discharge power, and 3 minutes of discharge time. Also, the surface resistance rate and dielectric property were improved.

플라즈마 표면처리에 따른 고분자절연재료용 유리섬유의 표면개질 (Surface Modification of Glass Fiber for Polymer Insulator by Plasma Surface Treatment)

  • 임경범;이덕출
    • 대한전기학회논문지:전기물성ㆍ응용부문C
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    • 제52권5호
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    • pp.206-212
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    • 2003
  • It is hard to expect excellent electrical, mechanical and chemical properties from most of the composite materials presently used as insulators due to insufficient wettability property caused by the difference of interfacial properties between the matrix material and the reinforcer. Therefore, various interfacial coupling agents have been developed to improve the interfacial properties of composite materials. But if the wettable coupling agents are used outdoor for a long time, change in quality takes place in the coupling agents themselves, bringing about deterioration of the properties of the composite materials. In this study, glass surface was treated by plasma to examine the effect of dry interface treatment without coupling agent. It was identified that the optimum parameters for the best wettability of the samples at the time of generation of plasma were oxygen atmosphere, 0.1 torr of system pressure, 100 W of discharge power, and 3 minutes of discharge time. Also, the surface resistance rate and dielectric property were improved.

반응성 플라즈마 표면 처리기법을 도입한 새로운 유리섬유 강화 복합재료의 개발 및 물성연구 (New Glass Fiber Reinforced Composite Insulating Material by Reactive Plasma Surface Treatment)

  • 성열문;하흥주;문상룡;조정수;김규섭
    • 한국전기전자재료학회:학술대회논문집
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    • 한국전기전자재료학회 1994년도 춘계학술대회 논문집
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    • pp.141-143
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    • 1994
  • One of the Principal problems encountered in the use of filer reinforced composites is to establish an active fiber surface to achieve maximum adhesion between resin and fiber surface. Now, we want to develope new process that will overcome the disadvantage of the chemical coupling agent and achieve maximum adhesion at the interface between resin and fiber by active plasma treatment on the glass fiber surface. In this study. we investigated the effect of plasma treatment on the wettability of glans surface .

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보강된 단순지지 철근 콘크리트 슬래브의 구조 성능 (Structural Performance of Strengthened Reinforced Concrete Slabs with Simple Supports)

  • 신영수;이차돈;홍기섭;최완철
    • 한국구조물진단유지관리공학회 논문집
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    • 제1권1호
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    • pp.89-96
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    • 1997
  • The paper presents the results of experimental studies on two strengthening methods for reinforced concrete (RC) slabs. Bending tests on RC slabs have been carried out to investigate the influence of the increased thickness and externally bonded carbon fiber sheets. The interfaces of new and old concrete of increased thickness specimens have been chipped and treated with bonding agent. The conclusions have been reached as followings. (1) The behavior of specimens with chipped interface is good enough to calculate flexural strength of RC slabs for increased depth. (2) The flexural stiffness of increased depth specimen is severely increased and the deformation of RC slabs is controled. (3) The specimens with externally bonded carbon fiber sheets can be assumed to behave monolithically.

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모바일 단말기에서 사용자의 의미기반 검색을 위한 인터페이스 설계 (The Design Interface for Retrieval Meaning Base of User Mobile Unit)

  • 조현섭;오훈
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 2007년도 제38회 하계학술대회
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    • pp.1665-1667
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    • 2007
  • Recently, retrieval of various video data has become an important issue as more and more multimedia content services are being provided. To effectively deal with video data, a semantic-based retrieval scheme that allows for processing diverse user queries and saving them on the database is required. In this regard, this paper proposes a semantic-based video retrieval system that allows the user to search diverse meanings of video data for electrical safetyrelated educational purposes by means of automatic annotation processing. If the user inputs a keyword to search video data for electrical safety-related educational purposes, the mobile agent of the proposed system extracts the features of the video data that are afterwards learned in a continuous manner, and detailed information on electrical safety education is saved on the database. The proposed system is designed to enhance video data retrieval efficiency for electrical safety-related educational purposes.

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IEC 61850 기반 FRTU 개발에 관한 연구 (IEC61850 Based FRTU Development Scheme)

  • 관창;최면송;한승수
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 2007년도 제38회 하계학술대회
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    • pp.497-498
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    • 2007
  • When we implement the substation automation, the largest problem is that IEDs may come from different vendors, which will result in the reduction of the reliability of communication between IEDs. To solve the problem IEC61850 is investigated, which uniforms the communication interface. However, in order to communicate with an IEC61850 implanted IED, FRTU (Feeder Remote Terminal Unit) need to be compatible with IEC6185 consequentially. A new IEC61850 based FRTU development scheme is proposed. The performance shows his compatibility with other IEC61850 IED, which has already been tested in ARET (Agent-based Reliability Enhancement Technology) system.

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그리드 기반 분산 객체지향 가상환경 시스템에서의 웹서비스 통신기법 (Web service communication method on Distributed Object-Oriented Virtual Environment System on Grid)

  • 이기호;김형래;정창성
    • 한국정보과학회:학술대회논문집
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    • 한국정보과학회 2006년도 가을 학술발표논문집 Vol.33 No.2 (A)
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    • pp.522-525
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    • 2006
  • 그리드 기반 분산객체지향 가상환경 시스템인 DOVE-G는 많은 리소스를 요구로 하는 분산된 그리드 컴퓨팅 어플리케이션에서 효율적인 병렬프로그래밍 환경을 지원하는데 이에 웹서비스를 이용해 다양한 어플리케이션에서 고급 그리드 컴퓨팅 환경을 제공할 수 있다. 본 논문에서는 웹서비스를 이용해 DOVE-G의 implementation을 모르더라도 DOVE-G 서비스를 쉽게 이용할 수 있도록 해주는 Interface Object와 Agent Object 두 개의 DOVE-G Object를 이용한 통신기법을 제시한다.

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APPLICATION OF KOREAN TEXT-TO-SPEECH FOR X.400 MHS SYSTEM

  • Kim, Hee-Dong;Koo, Jun-Mo;Choi, Ho-Joon;Kim, Sang-Taek
    • 한국음향학회:학술대회논문집
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    • 한국음향학회 1994년도 FIFTH WESTERN PACIFIC REGIONAL ACOUSTICS CONFERENCE SEOUL KOREA
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    • pp.885-892
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    • 1994
  • This paper presents the Korean text-to-speech (TTS) algorithm with speed and intonation control capability, and describes the development of the Voice message delivery system employing this TTS algorithm. This system allows the Interpersonal Messaging (IPM) Service users of Message Handling System (MHS) to send his/her text messages to user via telephone line using synthetic voice. In the X.400 MHS recommendation, the protocols and service elements are not specified for the voice message delivery system. Thus, we defined access protocol and service elements for Voice Access Unit based on the application program interface for message transfers between X.400 Message Transfer Agent and Voice Access Unit. The system architecture and operations will be provided.

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Enantiomeric Separation of Amino Acids Using N-alkyl-L-proline Coated Stationary Phase

  • Lee Sun Haing;Oh Tae Sub;Lee Hae Woon
    • Bulletin of the Korean Chemical Society
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    • 제13권3호
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    • pp.285-289
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    • 1992
  • Enantiomeric separation of underivatized amino acids using N-alkyl-L-proline (octyl, dodecyl or hexadecyl) coated HPLC has been accomplished. The anchoring N-alkyl groups of L-proline provides a permanent adsorption of there solving chiral agent on the hydrophobic interface layer of a reversed phase. The factors controlling retention and enantioselectivity such as the Cu(II) concentration, pH of the eluent, the type and concentration of organic modifier in the hydroorganic eluent, and extent of coating were examined. The elution orders between D- and L-amino acids were consistent, L-forms eluting first, except histidine and asparagine. The extremely high enantioselectivity $(\alpha$ upto 13 for proline) is observed. The retention mechanism for the chiral separation can be illustrated by a complexation and hydrophobic interaction.

태스크 특성 및 사용자 성별이 챗봇의 기대 성별에 미치는 효과에 관한 연구 (Male, Female, or Robot?: Effects of Task Type and User Gender on Expected Gender of Chatbots)

  • 김수민;이서영;이준환
    • 한국멀티미디어학회논문지
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    • 제24권2호
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    • pp.320-327
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    • 2021
  • We aim to investigate the effects of task type and user gender on the expected gender of chatbots. We conducted an online study of 381 participants who selected the gender (female, male, or neutral) for chabots performing six different tasks. Our results indicate that users expect human- gendered chatbots for all tasks and that the expected gender of a chatbot is significantly different depending on the task type. Users expected chatting, counseling, healthcare and clerical work to be done by female chatbots; professional and customer service work were expected to be done by male chatbots. A tendency for participants to prefer chatbots of the same-gendered as themselves is revealed in several tasks for both male and female users. However, this homophily tendency is stronger for female users. We conclude by suggesting practical guidelines for designing chatbot services that reflect user expectations.