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이혜윤,정용재,이규식,한성희,Lee, Hye-Yun,Chung, Yong-Jae,Lee, Kyu-Shik,Han, Sung-Hee 국립문화재연구소 2002 保存科學硏究 Vol.23 No.-
Sangyangmun is a written record which inform the date, time, history and reason of constructing a wooden building. We have conserved Sangyangmun which was discovered during the repairment and restoration of wooden building. From 1998 to 2002, We have completed the conservation of 27 pieces of 13 cases, for example Daeung-jeon, Bongjeonsa-Temple. First We investigated the material or damage condition of Sangyangmun, and carried out fumigation in order to prevent insects and fungi. Then Sangyangmun must be sealed hermetically using escal film in order to prevent the second damage.
온.습도 변화에 따른 양지의 손상원인 및 보존방안 연구
이혜윤,정용재,이규식,한성희,Lee, Hye-Yun,Chung, Yong-Jae,Lee, Kyu-Sik,Han, Sung-Hee 국립문화재연구소 2000 保存科學硏究 Vol.21 No.-
To examine the method for preservation of papers, 9 kinds of papers were purchased and pretreated for 6 months with various artificial conditions which were controlled as 3 temperature classes($20^{\circ}C$, $80^{\circ}C$, $-20^{\circ}C$&$20^{\circ}C$) and 4 humidity classes(40%, 60%, 80%, 100%).Whiteness, acidity and folding endurance were measured to examine the state of papers pretreated under each condition. From the resultexamining the state, all the papers were best condition at low temperature($20^{\circ}C$) and low humidity(40%) and damaged at high temperature($80^{\circ}C$) and high humidity(100%).The values of whiteness, acidity, and folding endurance were measure din relation with deterioration of papers. According to damage of papers caused by the chemical agent, papers became to be acidic, increased color difference and reduced the force of folding endurance. The effect of change of temperature($-20^{\circ}C$&$20^{\circ}C$) on degradation of papers was not well acquired. Because the period of investigation was not long enough to acquire the data. So the more studies are needed to find the cause of damage of papers.
기존의 경구용 혈당강하제로 혈당조절이 불량한 제2형 당뇨병 환자에 대한 한양방 병용 치료 1례
이혜윤,정은선,윤영주,이상엽,Lee, Hye-Yoon,Jung, Eun-sun,Yun, Youngju,Lee, Sang Yeoup 대한한방내과학회 2021 大韓韓方內科學會誌 Vol.42 No.4
This study presents a case of add-on traditional Korean medical treatments in a 77-year-old male patient with uncontrolled type 2 diabetes mellitus with conventional oral hypoglycemic agents. Chief complaints were uncontrolled glucose level and weight loss. The patient was treated with electroacupuncture (on ST36, CV4, and CV12), herbal medication, and lifestyle advice. The conventional oral hypoglycemic medications were maintained. After 12 weeks, the glycated hemoglobin A1c (HbA1c) decreased from 11.0% to 8.4%. There were significant abnormalities in the liver function and renal function tests, but no adverse event was reported. Further studies are needed to confirm the findings of this case.
이혜윤,한민수,정용재,송정주,Lee, Hye-Yun,Han, Min-Su,Chung, Yong-Jea,Song, Jeoung-Ju 국립문화재연구소 2005 保存科學硏究 Vol.26 No.-
In ancient times, many kinds of difference inorganic and organic pigment were used as colorants for making objects. This study has proved the damage regions on the aging conditions of the silk dyeing traditional pigment. so whiteness, tensile strength and digital-microscope were measured to examine the state of silk dyeing traditional pigments pretreated under each aging condition. From the result examining the state, all the silk dyeing traditional pigments were best condition at low temperature(-20/RT)and normal condition and damaged at high temperature($60^{\circ}C$) and 2ppm $SO_2$condition and UV condition. As a result of X-ray diffraction analysis of crystalline structure for the silk dyeing traditional pigments, most of specimens have nearly changed crystalline structure despite specimens had each other different conditions and times. Especially, specimens which was passing of 4-8 months have not changed in its crystalline structure. But some specimens like a Unghwang and Seokcheong have a little changed in its intensity in the XRD peak. Consequently, If we want to find out alteration of crystalline structure for the silk dyeing traditional pigments using scientific method according to change of environmental conditions, we must guarantee of equal state and strengthen of environmental conditions in specimen. Additionally, the term of experiment need to belong, and specimens which was experimented and analyzed must be same.
이혜윤,정용재,이규식,한성희,Lee, Hye-Yun,Chung, Yong-Jae,Lee, Kyu-Sik,Han, Sung-Hee 국립문화재연구소 1999 保存科學硏究 Vol.20 No.-
According to damage of papers by the chemical cause, papers become to acidify. Among the 3 kinds of method measuring the acidity of paper, one was nondestructive method measuring the surface of the paper by flat type electrode and the others were destructive methods measuring directly by cold water extract method and hot water extract method. In case of the cellulolytic cultural properties, the latter methods were not applied because those methods must bedissociated papers. To measure the paper acidity nondestructively, we investigated the correlation of the nondestructive method and the destructive methods. The conclusions are as follows. 1) In the relationship of the cold water extract method and the hot water extract method, It was indicated that the pH measured by the hot water extract method was high quality printing paper 0.08, rough printing paper 0.13, and Korean paper 0.29 higher than that by the cold water extract method.2) In the relationship of the cold water extract method and the surface measurement method, It showed that the pH value measured by the cold water extract method was high quality printing paper 1.86, rough printing paper 0.80,and Korean paper 0.58 higher than value that by the surface measurement.3) In the relationship of the hot water extract method and the surface measurement method, It showed that the pH value measured by the hot ABSTRACT water extract method was high quality printing paper 1.78, rough printing paper 0.66, and Korean paper 0.29 higher than that by the surface measurement. From the above-mentioned results, the pH value measured by the surface measurement was need to high about 1.78∼1.86 in high quality printing paper, 0.66-0.80 in rough printing paper, and 0.29∼0.58 in Korean paper and the surface measurement with flat type electrode was very available to measure the acidity of Korean papers actually.
낙동강 하구 표층 퇴적물의 지화학적 특성 및 오염도 평가
전혜린,이혜윤,양득석,김신,Jeon, Hye-Lyn,Lee, Hye-Yun,Yang, Deuk-Seok,Kim, Shin 한국환경과학회 2021 한국환경과학회지 Vol.30 No.6
To evaluate the geochemical characteristics and assess the pollution in surface sediments of the Nakdong River estuary, two sites adjacent to the estuary bank (Hh1 and Hh2) and one site at the upper part of the estuary bank (Hh3) were investigated. The surface sediments were analyzed for their contents of metals (Cu, Pb, Ni, Cr, Zn, and Al), organic matter (IL, COD, TOC, and TN), and grain size from 2018 to 2020. As a result of the pollution assessment, there was little anthropogenic contamination by most of the metals. The surface sediments in Hh2 had comparatively abundant silt and clay, whereas the other sites were mainly composed of sand. The organic index and contents of organic matter were highest at Hh2. Multivariate statistical analyses (cluster analysis and Pearson correlation analysis) showed that the contents of organic matter and pollution were associated with fine sediment. These results suggest that the geochemical characteristics were changed by the estuary bank built in the research area and that the increase in fine sediment attributable to the low-energy environment resulted in an increase in organic matter pollution.