http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
구본진 ( Bon Jin Ku ),남명진 ( Myung Jin Nam ),황세호 ( Se Ho Hwang ) 한국지구물리·물리탐사학회 2012 지구물리와 물리탐사 Vol.15 No.4
In this study, we make simulation of density log using a Monte Carlo N-Particle (MCNP) algorithm to make an analysis on density logging under different borehole environments, since density logging is affected by various borehole conditions like borehole size, density of borehole fluid, thickness and type of casing, and so on. MCNP algorithm has been widely used for simulation of problems of nuclear particle transportation. In the simulation, we consider the specific configuration of a tool (Robertson Geologging Co. Ltd) that Korea institute of geoscience and mineral resources (KIGAM) has used. In order to measure accurate bulk density of a formation, it is essential to make a calibration and correction chart for the tool under considerations. Through numerical simulation, this study makes calibration plot of the density tool in material with several known bulk densities and with boreholes of several different diameters. In order to make correction charts for the density logging, we simulate and analyze measurements of density logging under different borehole conditions by considering borehole size, density of borehole fluid, and presence of casing.
장덕현,구본진,윤희윤,Jang, Durk-Hyun,Ku, Bon-Jin,Yoon, Hee-Yoon 한국도서관정보학회 2015 한국도서관정보학회지 Vol.46 No.2
현재 우리나라의 사서 계속교육은 도서관 확충과 교육수요 증가에 따른 대응, 교육과정 확대 및 충실화를 위한 전문인력 확보, 교육의 세분화 요구에 대처하기 위한 맞춤형 교육과정 개발 운영, 급변하는 지식정보 생태계에 대응하기 위한 사서직 역량 개발, 사이버 교육콘텐츠 확보 등 다양한 요구에 직면하고 있다. 이러한 문제에 근거하여 본 연구에서는 국내외 사서교육기관 현황을 분석하여 시사점을 도출하고, 발전 방향을 제안하였다. 특히, 사서 계속교육에 있어서의 국립중앙도서관의 역할을 중시하였다. 구체적으로는 정보환경과 교육수요 변화에 대응하고 사서계속교육의 국가 주도성을 강화하기 위하여 현재의 사서 계속교육 체제를 '교육원'과 같은 전문기관으로 개편하고, 이를 통하여 사서 교육전문인력을 양성하고 교육플랫폼의 변화를 수용한 새로운 형태의 교육 시스템을 구상할 수 있다고 보았다. Continuing education for librarians in Korea are coping with such problems as the inevitability of plans for the increasing demand for library education, needs for professional teaching personnel for the development of the curricula for the Continuing education, strategies to develop the competences of librarians for the new information ecology, designing e-learning contents for librarians, etc. In this regard, this study intends to analyze the current status of continuing education for librarians in Korea and in foreign countries. It attempts to draw some implications, and to present suggestions. It, specifically, focuses on the role of the National Library of Korea as main actor of continuing education for librarians in Korea. The suggestions made are to change the educational system with a creation of an independent institute, as it will bring up professional teaching personnel to work on continuing education for librarians, and will develop initiatives for the new educational system which embraces the changes in educational platforms.
한누리 ( Nu Ree Han ),남명진 ( Myung Jin Nam ),구본진 ( Bon Jin Ku ),김희준 ( Hee Joon Kim ) 한국지구물리·물리탐사학회 2012 지구물리와 물리탐사 Vol.15 No.2
This paper presents development of a three-dimensional marine controlled-source electromagnetic (mCSEM) modeling algorithm and its application to a salt and reservoir model to examine detectability of mCSEM for a reservoir under complex subsurface structures. The algorithm is based on the finite difference method, and employs the secondary field formulation for an accurate and fast calculation of modeling responses. The algorithm is verified for a two-layer model by comparing solutions not only with analytic solutions but also with those from other 3D modeling algorithm. We calculate and analyze electric and magnetic fields and their normalized responses for a salt and reservoir model due to three sources located at boundaries between a salt, a reservoir, and background. Numbers and positions of resistive anomalies are informed by normalized responses for three sources, and types of resistive anomalies can be informed when there is a priori information about a salt by seismic exploration.
김훈 ( Kim¸ Hoon ),순옌 ( Yan Sun ),이승민 ( Lee¸ Seung-min ),구본진 ( Ku¸ Bon-jin ),구윤모 ( Ku¸ Yun-mo ),김태연 ( Kim¸ Tae-yeon ),문명진 ( Moon¸ Myung-jin ) 한국유기농업학회 2021 韓國有機農業學會誌 Vol.29 No.4
Agricultural ecosystem biodiversity monitoring and community variation analysis of insects were conducted from 2016 to 2018 in selected conventional and organic farming fields in Goesan district, Chungcheongbuk-do, South Korea. The total number of 1,125 species in 16 orders and 207 families were identified. The numbers of species collected in the locations practicing organic farming were greater than the conventional farming both in the paddy fields (564 vs. 383 species) and the upland fields (471 vs. 365 species). Among them, Hemiptera had the most abundant of species, followed by Diptera, Hymenoptera, Coleoptera and Araneae. We calculated various index values of biodiversity (diversity index H’, richness index R, evenness index J’, dominance index D, and similarity index QS) based on quantitative measurements of species and individuals collected over three years of field monitoring. Variations in biodiversity index values in different agricultural systems show that the positive effect of organic farming is to produce more biodiversity than conventional farming systems. When compared to other index results reported in Korea, Japan and China, the richness index was higher and other index values were at similar levels.