• 제목/요약/키워드: JPA

검색결과 13건 처리시간 0.019초

사용자 친화적인 컴퓨터 견적 생성 웹 사이트 개발 (Develop User Friendly Website for Computer Estimate)

  • 조규철;이재윤
    • 한국컴퓨터정보학회:학술대회논문집
    • /
    • 한국컴퓨터정보학회 2023년도 제68차 하계학술대회논문집 31권2호
    • /
    • pp.409-412
    • /
    • 2023
  • 검색을 통해 찾은 컴퓨터 부품의 정보(가격, 호환 여부, 성능) 등을 자동으로 체크 해주고 이를 통해 만든 컴퓨터 견적을 여러 사람과 공유 및 열람을 할 수 있고 대화창과 같은 게시판을 통해 서로의 지식과 정보를 쉽게 공유할 수 있는 웹 사이트를 개발하였다. 이 사이트가 사용자들의 합리적인 소비로 이어지기를 기대한다.

  • PDF

국내 소에서 Neospora caninum의 분리 (In vitro isolation of a bovine Neospora in Korea)

  • 김재훈;손현주;황의경;황우석;허권;진영화;이병천;이재진;강영배;야마네 이츠로;김대용
    • 대한수의학회지
    • /
    • 제38권1호
    • /
    • pp.139-145
    • /
    • 1998
  • The Neospora sp. was isolated from the brain of 1 calf via continuous in vitro cultivation in Vero cell. Neospora tachyzoites were observed 45 days after inoculation of the homogenized brain suspension into the Vero cell. The isolated parasite (named tentatively as NCKB-1) was morphologically and ultrastructurally similar to the previously reported Neospora sp isolated in cattle (BPA-1, JPA-1). A comparison of the antigenic reactivity of cultivated tachyzoites with polyclonal antisera to Neospora caninum and Toxoplasma gondii confirmed that this protozoal isolate was similar to N caninum. This is the first report of successful isolation of Neospora sp from cattle in Korea.

  • PDF

터널 굴착면 여굴 최소화를 위한 발파암 분류(안) 및 공법 개발 연구 (A Study on the Development of the Rock Blastability Classification and the Methods for Minimizing Overbereak in Tunnel)

  • 이태노;김동현;서영화
    • 한국지반공학회:학술대회논문집
    • /
    • 한국지반공학회 2002년도 가을 학술발표회 논문집
    • /
    • pp.303-310
    • /
    • 2002
  • Overbreak occurred inevitably in a tunnel excavation, Is the main factor for increasing cost and time in tunnel projects. Furthermore the damage to the remained rock mass related to the overbreak can give rise to a serious safety problem in tunnels. As a rule of thumb, causes for the overbreak are inaccuracy in drilling, the wrong design of blasting and selection of explosives, and heterogeneity in rock mass. Specially, the geological features of the rock mass around periphery of an excavation are very important factors, so a lot of researches have been conducted to describe these phenomena. But the quantitative geological classification of the rock mass for the overbreak and the method for decreasing the amount of the overbreak have not been established. Besides, the technical improvement of the charge method is requested as explosives for the smooth blasting have not functioned efficiently. In this study, the working face around periphery of an excavation has been continuously sectionalized to 5∼6 parts, and the new Blastability Index for the overbreak based on 6 factors of RMD(Rock Mass Description), UCS(Uniaxial Compressive Strength) JPS(Joint Plane Spacing), JPO(Joint Plane Orientation), JPA(Joint Plane Aperture) and FM(Filling Material) is proposed to classify sections of the working face. On the basis of this classification, the distance between contour holes and the charging density are determined to minimize the overbreak. For controlling the charging density and improving the function of explosives, the New Deck Charge(N.D.C) method utilizing the deck charge method and detonation transmission in hole has been developed.

  • PDF