• 제목/요약/키워드: 동헌

검색결과 403건 처리시간 0.025초

한국 토양중의 총 수은 함량에 관한 연구 (Studies on the Contents of Total Mercury in Korean Soils)

  • 손동헌
    • 약학회지
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    • 제23권2호
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    • pp.95-104
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    • 1979
  • Total mercury content of Korean soils which were randomly sampled at 212 different localities were determined by quartz tube combustion-gold amalgamation method, 1) The mean and median values of total mercury content of Korean soils were 0.18PPM and 0.14PPM, respectively. 2) Among 212 localities, 14 have total mercury contents which are three times higher than the median value. The highest values was found to be 1.74PPM.

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핵석지반의 사면안정성 연구 (A Study on Slope Stability of Corestone)

  • 이수곤;금동헌
    • 한국지반공학회:학술대회논문집
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    • 한국지반공학회 2000년도 가을 학술발표회 논문집
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    • pp.551-558
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    • 2000
  • When cut slope is excavated, corestone in cut slope exists 20∼30%. In case of soil and soft rock mixing, people lay out gradient of 1 : 0.5, because of soft rock slope. In a case, slope that exists corestone between soil happens to large landslide. So, As a study performs geological survey, Analysis of slope stability reinforcement measures, etc, A study presents example meaures and analysis on slope stability of corestone.

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영상사진을 이용한 지반공학적인 선구조분석 연구 (A Study on Geotechnical Lineament Analysis by Image Processing Method)

  • 이수곤;금동헌
    • 한국지반공학회:학술대회논문집
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    • 한국지반공학회 2000년도 가을 학술발표회 논문집
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    • pp.593-600
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    • 2000
  • Most of ground investigations can be grasped geological distribution which like rock name, geological structure, soil condition, underwater condition, land slide, ground cave-in, ground collapse by geological survey. But geological survey is limited to part region geological structure, not wide region. Therefore, Image Processing Method must need to grasp wide region geological structure. The object of this research is presented analysis data of geotechnical engineering in first step investigation.

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단층파쇄대의 사면안정성 연구 (A Study on Slope Stability of Faultzone)

  • 이수곤;금동헌
    • 한국지반공학회:학술대회논문집
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    • 한국지반공학회 2001년도 봄 학술발표회 논문집
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    • pp.183-190
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    • 2001
  • There are complicated and big shear zone which is about several tens meter in the middle of the cutting slope in this study area. And slope stability analysis is very hard because many fault zones are gathered in the shear zone. This study furnish imformations of scrutinized geological survey, numerical stability analysis, reinforcement work analysis and computation of ground mass properties. Then this offer rational slope stability analysis, rock mass decision and counterplan.

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웹 기반 자바 가상교육센터의 설계 및 구현 (Design and Implementation of Web based Java Virtual Education Center)

  • 이승하;한동헌;김양우;유갑상
    • 한국정보과학회:학술대회논문집
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    • 한국정보과학회 2001년도 봄 학술발표논문집 Vol.28 No.1 (B)
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    • pp.643-645
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    • 2001
  • 자바 가상교육센터(Java Virtual Education Center)는 자바 프로그래밍 교육을 위한 가상교육시스템으로 인터넷과 웹 브라우저를 통해 사용자들에게 투명하게 자바 프로그래밍 실습 환경을 제공한다. 이것은 자바 컴파일러 실행을 웹 기반으로 구현함으로써 가능하게 된다. 본 논문에서는 자바 가상교육센터 구현에 적용된 자바 기술을 정리하고, 실제 자바 가상교육센터의 구조 및 동작원리를 설명한다. 또한 구현모델이 어떠한 설계개념을 가지고 구현되었는지를 살펴봄으로써, 향후 자바뿐 아니라 C나 C++와 같은 다른 프로그래밍 언어에도 적용할 수 있는 종합적인 프로그래밍언어 가상실습실의 구현 가능성을 제시한다.

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전방향 운동용 메카넘 바퀴의 기하학적 설계 (Geometry Design of Omni-directional Mecanum Wheel)

  • 신동헌;이인태
    • 한국정밀공학회지
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    • 제15권3호
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    • pp.11-17
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    • 1998
  • The mecanum wheel was originaly developed in sweden to realize the omni-directional motion of the cart. The circumference of each wheel is lined with rollers set at 45 degrees relative to the main wheel. This paper proves that the roller of the mecanum wheel shapes the ellipsoid, derives the kinematic relationships between the parameters of the wheel and rollers, and proposes the procedure to determine the parameters of the wheel. The result was implemented into the computer program for the design of the mecanum wheel.

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