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전용두,이금배,박진양,고석보,전희호 公州大學校 工學硏究院 生産技術硏究所 2005 論文集 Vol.13 No.-
Although the importance of good conservation of historic sites including ancient royal tombs is well aware, still not much attention has been paid for the facilities and systems to preserve those historic sites, which includes precious artifacts as wall paints and carved works, etc. Even the general understanding about the environment of the underground space of tombs is not satisfactory. In Korea, researchers have recently begun addressing the above issue and are making efforts to develop suitable HVAC(heating, ventilating and air-conditioning) systems for conservation of tombs. An experimental investigation was carried out to study the behavior of the HVAC system installed for a tomb. This tomb resembles in size and shape the original stone built tomb of Baek-je Dynasty, which dates back to 6th Century in southwest part of Korean peninsula. In this study, an HVAC system for a tomb(D×W×H=1.3m×3.0m×1.2m) was installed to maintain sui표 indoor conditions for conservation of tomb. The temperature and humidity inside the tomb were measured different of the setting. Finally, performance of the HVAC system is presented and discussed.
전용두,이금배,김홍기,고석보 공주대학교 문화재보존과학연구소 2004 문화재과학기술 Vol.3 No.1
개방된 고분의 장기보존은 조상의 얼이 담긴 문화재를 길이 후손에 물려주어야 하는 우리들의 시대적 사명이라 할 수 있다. 그런데 고분 내부의 공기조화를 필요로 하는 경우 설비측면에서 고분내부의 공기조화 문제를 검토한 사례는 그 동안 많지 않았다. 특히 고분 내부환경에 관한 온·습도 자료는 매우 제한적으로 알려져 있는 상태이다. 본 연구는 고분의 공기조화와 관련하여 부하산정 등의 기초자료로 활용하기 위한 고분내부의 온·습도자료를 원격측정 기술을 적용하여 획득한 결과를 소개하며, 이를 통하여 고분내부의 실내환경 조건에 대한 일반의 이해를 돕고, 더 나아가 공조기 설치에 필요한 기초자료를 제공하고자 수행하였다. 측정 연구대상은 충남 공주시 신관동에 소재한 신관리석실고분(충청남도 기념물 제 7호)으로서 백제후기의 횡혈식 석실고분으로서 현실의 크기는 폭 1.25m, 깊이 2.73m 그리고 높이 1.50m이며, 현실입구는 개방된 상태에서 실내 5채널 및 실외공기에 대하여 각각 온도와 습도를 측정하였으며, 본 본문에서는 동절기(12월부터 다음 해 3월까지)의 자료를 소개한다. In recent years the importance of the preservation of cultural artefacts like ancient tombs has been widely accepted domestically and internationally as the quality of life improves. However not much attention has been paid for the facilities and systems to preserve those artefacts. Even the general understanding of the preservatory environment of the underground space as tombs is poor. In the present study, the temperature and relative humidity inside a selected artefact, Shinkwan-ri tomb, are monitored to improve the understanding of the indoor thermal environment, which may possibly be used when one consider air-conditioning for preservation. Total of 12 channel data are collected by using remote data acquisition system based on the cdma(Code Division Multiple Access) technology. Three-month-data representing winter season is reported with discussions.
이금배,전용두,고석보,김홍기 公州大學校 工學硏究院 生産技術硏究所 2003 論文集 Vol.11 No.-
본 연구는 여러 가지 문화재 보존영역 중 개방된 고분의 장기보존을 위한 최적 공기 조화 시스템의 개발을 목표로 하여 수행되었다. 고분의 장기보존을 위해서는 고분 내 공기조성, 온ㆍ습도 및 기류환경을 모니터하여 고분내 자연 실내환경의 기초자료를 확보한 수 고분의 주 구성요소인 석재 및 전재의 보조측면에서 문제점을 검토하여 최적 유지환경조건을 정의하고, 이상의 요구조건을 실현할 수 있는 공조시스템의 적용이 필요하다. 본 논문은 이 중 모형고분에 적용된 공조시스템의 동계운전성능에 대하여 소개한다.
Influence of Amylose Content and Particle Size on Physicochemical Properties of Rice Flours
Kum, Jun-Seok,Lee, Hyun-yu The Korean Society of Food Science and Nutrition 1999 Preventive Nutrition and Food Science Vol.4 No.1
Seven rice varietes(Suweonjo, Suweon232 , BG276-5, IR44, IR41999-139, Suweon230 and Yongjubyeo) were used to study the influence of amylose content and particle size on the physicochemical properties of rice flours. Suweonjo has the highest amylose content (27.1% amylose content) had the finest flour particle as supproted by scanning electron microscopy (SEM). Suweonjo had the highest value in hardness of rice grain but the lowest length/width ration. There were no significant differences in color values among the rice flours. Data of brabender visco/amylograph was not associated with amylose content. Yongjubyeo had the highest maximum viscosity and breakdown value while Suweonjo had the lowest maximum viscosity , setback value and breakdown value. Yongjubyeo had the lowest water solubility index (WSI). The Suweon232 rice variety absorbed more water than any other varieties but rice varieties and amylose contents affected water absorption a little.
Influence of Amylose Content and Particle Size on Physicochemical Properties of Rice Flours
Jun-Seok Kum,Hyun-yu Lee 한국식품영양과학회 1999 Preventive Nutrition and Food Science Vol.4 No.1
Seven rice varieties (Suweonjo, Suweon232, BG276-5, IR44, IR41999-139, Suweon230 and Yongjubyeo) were used to study the influence of amylose content and particle size on the physicochemical properties of rice flours. Suweonjo had the highest amylose content (27.1%) and particle size distribution of rice flour prepared in a pin mill revealed that Yongjubyeo (17.2% amylose content) had the finest flour particle as supported by scanning electron microscopy (SEM). Suweonjo had the highest value in hardness of rice grain but the lowest length/width ratio. There were no significant differences in color values among the rice flours. Data of Brabender visco/amylograph was not associated with amylose content. Yongjubyeo had the highest maximum viscosity and breakdown value while Suweonjo had the lowest maximum viscosity, setback value and breakdown value. Yongjubyeo had the lowest water solubility index (WSI). The Suweon232 rice variety absorbed more water than any other varieties but rice varieties and amylose contents affected water absorption a little.