• Rapid Communication in Photoscience
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• v.1 no.2
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• pp.47-47
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• 2012

• Bulletin of the Korean Chemical Society
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• v.10 no.2
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• pp.208-210
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• 1989

• Journal of Korean Medical classics
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• v.6
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• pp.189-227
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• 1993

I have studied life of Yoon-Dong-Li(尹東里), who applied Un-Ki(運氣) theory to medicine during Suk-Jong(肅宗) to Joong-Jo(正祖) in Yi-Dynasty and also studied his existing writings named ${\ll}$Cho-Chang-kyeol${\gg}$ (草窓訣). The referenced original work prints were based on 1980's print of Chung-Ku oriental medical society and National Central Library and The academy a korean studies possessed print. Studied with these books, I have concluded as follows. 1. Yoon-Dong-Li(尹東里) courtesy name is Ja-Mi(子美), pen name is Cho-Chang(草窓). He was born in 1705, Suk-Jong(肅宗) 31yrs, and died in 1784, Jeong-Jo(正祖) 8yrs in Yi-Dynasty. He had lineage of third-generationed-doctor and learned medicine from his uncle, Yoon-Woo-Kyo(尹雨敎). His father Yoon-Yi-Kyo(尹이敎) gaved him second influence. 2. Confucianal physician in Ming Dynasty You-Bu(劉溥) respected Ju-Ryeom-Kye(周溓溪), confucianist in Song-Dynasty and You-Bu(劉溥) does not removed grass in front of window (because in chinese, Cho-Charig(草窓) means grass in front of window), and named himself Cho-Chang(草窓). Yoon-Dong-Li(尹東里) followed this suit so called himself Cho-Chang (草窓). 3. The main contents of ${\ll}$Cho-Chang-Kyeol${\gg}$ (草窓訣), (運氣衍論) was written in 1725, when Yoon-Dong-Li(尹東里) was 21yrs old and printed in 1736. The other part of ${\ll}$Cho-Chang-Kyeol${\gg}$ (草窓訣), (用藥篇) was written in 1746. These two parts were not written in the satre time. The (運氣衍論) was written llyears earlier than (用藥). Two parts were combined another day and named (草窓訣). 4. Existing ${\ll}$Cho-Chang-Kyeol${\gg}$ (草窓訣) is transcribed printing with the con tent of "Five elements motion and the six kind of natural factors theory" (五運六氣設). Each edition is generally similar in content, but also has different points each other so naw we hardly finds a complete set of works. 5. ${\ll}$Cho-Chang-Kyeol${\gg}$ (草窓訣) is a first technical book which treats of Un-Ki(運氣) theory in korea. 6. The contents of (運氣衍論) of ${\ll}$Cho-Chang-Kyeol${\gg}$ (草窓訣) is mechanism of diease according to excess and insuffciency of five elements motion and six kinds of nalural faclors.and symploms and priscriptions, includes variated priscriptions. 7. Two parts in (運氣衍論) of ${\ll}$Cho-Chang-Kyeol${\gg}$ (草窓訣), 'Sang-tong' (相通) and 'Kak-Tong' (各通), threats of mochanisim of the disease according to five elements. with the principle of inter-promoting and inter-acting, in the change of ten heavenly stems and five elements motion. 8. In the (用藥篇) of ${\ll}$Cho-Chang-Kyeol${\gg}$ (草窓訣) describes priscription for clinical application according to Un-Ki(運氣) and also records about misuse of medicine. 9. In the ${\ll}$Cho-Chang-Kyeol${\gg}$ (草窓訣), most of priscription are common using one, which also found in ${\ll}$Dong-$\breve{U}$i-Bo-Garm${\gg}$ (東醫寶鑑) and there are few of priscriptions hy Yoon-Dong-Li(尹東里).

• Nuclear Engineering and Technology
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• v.38 no.5
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• pp.423-426
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• 2006

A developed neutron activation analysis(NAA) and gamma-spectrometry were applied to improve the analytical sensitivity and precision of impurities in electronic-circuit raw materials. It is well known that soft errors in high precision electronic circuits can be induced by alpha particles emitted from naturally occurring radioactive impurities such as U and Th. As electronic circuits have recently become smaller in dimension and higher in density, these alpha-particle emitting radioactive impurities must be strictly controlled. Therefore, new NAA methods have been established using a HTS(Hydraulic Transfer System) irradiation facility and a background reduction method. For eliminating or stabilizing fluctuated background caused by Rn-222 and its progeny nuclides in air, a nitrogen purging system is used. Using the developed NAA and gamma-spectrometry, ultra trace amounts of U(0.1ng/g) and Th(0.01ng/g) in an alumina ball and high purity silica used for an epoxy molding compound (EMC) could be determined.

• Bulletin of the Korean Space Science Society
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• 2004.04a
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• pp.63-63
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• 2004

국가지정연구실 사업인 “인공위성 및 지구접근천체 감시연구(NEOPAT)”에서는 2001년부터 2004년까지 인공위성에 대한 광학관측을 추진하였다. 인공위성의 궤도에 관한 자료는 미국 NORAD에서 제공하는 TLE(Two Line Elements)를 이용하였으며, 한국천문연구원에서 개발한 KODAS(KAO Orbit Determination & Data Analysis System) 소프트웨어를 TLE에 사용하여 임의의 시각에서의 위성에 대한 위치 정보를 얻을 수 있었다. (중략)

• Bulletin of the Korean Space Science Society
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• 2004.04a
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• pp.65-65
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• 2004

국가지정연구실 사업인 “인공위성 및 지구접근천체 감시연구(NEOPAT)”에서는 인공위성에 대한 거리 정보를 광학 관측으로부터 결정하기위하여 2개의 관측소에서 동일한 시각에 동일한 위성에 대한 관측을 진행하는 스테레오 관측 연구를 진행하였다. 이를 위해서 대전에 위치한 한국천문연구원의 60cm 광시야 망원경과 천안 연세대 관측소의 50cm 광시야 망원경 그리고 200mm NIKON 렌즈에 2K CCD로 구성된 소형 위성관측 시스템(KASAT) 2기를 사용하여 2003년부터 2004년까지 고도별 위성들에 따른 동시 관측을 시도하였다. (중략)

• Macromolecular Research
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• v.15 no.1
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• pp.86-89
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• 2007

• Proceedings of the Korean Institute of Communication Sciences Conference
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• 2006.07a
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• pp.588-588
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• 2006

• 한국정보디스플레이학회:학술대회논문집
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• 2005.07b
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• pp.936-939
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• 2005

• Proceedings of the Korean Society of Precision Engineering Conference
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• 2009.06a
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• pp.1021-1022
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• 2009