https://pubs.kist.re.kr/handle/123456789/75392 2026-04-15T17:43:31Z 2026-04-15T17:43:31Z Do, Choon Ho Pyun, Chong-Hong Yu, Byung-Yong Bae, Jung Hyun https://pubs.kist.re.kr/handle/201004/115448 2024-01-26T06:02:56Z 2013-01-01T00:00:00Z

Title: Metal Plate Connectors and Iron Nails on the Tripitaka Koreana Printing Woodblocks Authors: Do, Choon Ho; Pyun, Chong-Hong; Yu, Byung-Yong; Bae, Jung Hyun Abstract: The compositions of the metal plate connectors and nails that make up the Korean Buddhist Tripitaka (Canon) Printing Woodblocks, carved between AD 1236 and 1251 were determined using X-ray fluorescence spectroscopy (XRF), electron probe micro-analyzer (EPMA) and scanning electron microscopy. Copper was the main component of the metal plate connectors, as determined by XRF analysis. The composition of the nails used to connect the end pieces and the main printing wooden plate was mainly iron according to EPMA results. The iron nails were made through hand-forging of sponge iron.

2013-01-01T00:00:00Z Jung, Ji-Hyun Kim, Se-Yun https://pubs.kist.re.kr/handle/201004/115447 2024-01-26T06:02:53Z 2013-01-01T00:00:00Z

Title: Analysis of Cross-Borehole Pulse Radar Signatures on a Half Water-Filled Tunnel Authors: Jung, Ji-Hyun; Kim, Se-Yun Abstract: The effect of the water collected in the bottom of an empty tunnel on cross-borehole radar signatures is analyzed using the finite-difference time-domain (FDTD) method. The cross-borehole pulse radar is represented by 3-dimensional model and B-scan images are calculated in two cases of fully air-filled and half water-filled tunnels. The first positive peak in the B-scan image appears in a later time and moves upward direction than the tunnel center as the water is collected in tunnel. To estimate the central position of the half water-filled tunnel, the first negative peak is adopted here and its utility is described clearly.

2013-01-01T00:00:00Z Ahn, Sangchul Yoo, Byounghyun Ko, Heedong https://pubs.kist.re.kr/handle/201004/115446 2024-07-12T02:30:18Z 2013-06-01T00:00:00Z

Title: A Comparative Study of 3D Web Integration Models for the Sensor Web Authors: Ahn, Sangchul; Yoo, Byounghyun; Ko, Heedong Abstract: To facilitate the dynamic exploration of the Sensor Web and to allow users seamlessly to focus on a particular sensor system from a set of registered sensor networks deployed across the globe, interactive 3D graphics on the Web, which enables sensor data exploration featuring a good level of detail for a multi-scaled Sensor Web, is necessary. A comparative study of decent approaches to integrate Sensor Web information with the latest 3D Web technology and the geospatial Web has been conducted. We implemented prototype systems in three different 3D Web integration models, i.e., a common X3D model, the X3DOM integration model, and a webized AR content model. This paper presents examples of our prototype implementations using various approaches and discusses the lessons learned.

2013-06-01T00:00:00Z Kim, Eungyeong Lee, Seok Kim, Jae Hun Byun, Young Tae Lee, Hyuk-Jae Lee, Taikjin https://pubs.kist.re.kr/handle/201004/115445 2024-01-26T06:02:49Z 2013-01-01T00:00:00Z

Title: Implementation of novel model based on Genetic Algorithm and TSP for path prediction of pandemic Authors: Kim, Eungyeong; Lee, Seok; Kim, Jae Hun; Byun, Young Tae; Lee, Hyuk-Jae; Lee, Taikjin Abstract: The present study proposes a proposed algorithm in order to predict the moving-path of infectious diseases in Korea based on Traveling Salesman Problem (TSP) and Genetic Algorithm (GA). This system considers the changing elements of environments to trace the path of diseases by setting different intercity error rate. In particular, it includes transportation as the diseases' movement method showing the rapid change in modern society. Movement patterns are reviewed with environmental elements such as mountains and rivers around the site considered. This study allows us to detect the infection of the area and use vaccine more efficiently through the estimation of disease expansion areas. It may reduce not only direct treatment cost but also indirect expenses nationally. It can be used as important materials for effective control as it allows us to make strategic plans to respond against contagious diseases in advance.

2013-01-01T00:00:00Z