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조선후기에 "카메라 옵스큐라"로 초상화를 그렸다 -정조 시절 정약용의 증언과 이명기의 초상화법을 중심으로
이태호 ( Tae Ho Lee ) 다산학술문화재단 2005 다산학 Vol.- No.6
Tasan put camera obscura which is a perspective of the pin-hole camera to the test and testimony in 1987, and there is a possibility of using in the portrait paintings drawn by Lee Myunggi. The fact that Lee drew portrait paintings using camera obscura would be just a hypothesis until the real documents come out. However the portrait paintings made by Lee having a expression of a three-dimentional effect on corrugation, taking a pose exposed hands, and handling oblique lines on the floor similar to perspective, have a new change by something external. At a guess the thing changed Lee`s art of drawing would be the influence of camera obscura coming from China. Especially at Yu Unho painting made in 1789 there is a phrase that YongCheJangHwal(容體長闊) ShiWonShinGamIlBan(視元身減一半) which it means the reduction ratio of a portrait. Making the recuction ratio of a portrait clear and the beauty of form show the certain fact of using camera obscura. Needless to say, by Tasan`s testimony we can be proud that camera obscura was used in the late Chosun. There are little cases on the evidence or document using camera obscura in the 16th to 19th centuries Western painting history. In this point, the thing which Tasan tested camera obscura and the portraits by it drew, is very valuable in the world scientific history and the painting history. In a way, Tasan and Lee`s test and testimony were very important, as the entering 19th century their achievements remained obscure. Choi Hangi, Lee Kyugyong, and others partly tested optical instruments, but realism of paintings rapidly declined. Lee`s portraits are simple and plain in comparison with Western portraits taking well lighting. But In Lee`s portraits are worth well seeing the using of camera obscura. In the view of exposing the truth of the object, the exploiting on the stereography suitable for our face and clothing is brilliant artistry. So Lee`s portraits can be a good classical example having realism and modernity in the late Chosun cultural history.
다발성 신경병증 및 근병증으로 추정되는 환자의 치료 2례에 대한 증례보고
이태호,황희상,장소영,차정호,정기훈,이은용,Lee, Tae-Ho,Hwang, Hee-Sang,Chang, So-Young,Cha, Jung-Ho,Jung, Ki-Hoon,Lee, Eun-Young 척추신경추나의학회 2007 척추신경추나의학회지 Vol.2 No.1
Objective : Poly neuropathy is disease that reveals musle relaxation or sensory disorder, and Myopathy is disease that reveals musle weakness, wasting, pain. These diseases occur in the lower or upper limbs. This is the clinical report about Poly neuropathy or Myopathy estimated patients. Method : Patients were treated by acupuncture, herb medicine, bee venom herbal-acupuncture, moxibustion. We evaluated the improvement of symptoms with ROM(Range of Motion) and MCR(Medical Research Council) standard. Result : Symptoms that patients have at admission improved and disappered gradually with oriental medicine therapy. Observing the change of ROM and MCR standard, they indicated us improvement of disease. Conclusion : We achived a desirable result from treatment of peripheral neuropathy or myopathy estimated patients. However, further studies are required to prove the effect of oriental medicine treatment.
탈염소화 미생물 부착 혐기성 고정막 반응기에 의한 테트라클로로에틸렌(PCE)의 분해
이태호,Lee Tae Ho 한국지하수토양환경학회 2004 지하수토양환경 Vol.9 No.3
A soil enrichment LYF-1 culture from a contaminated site, which could reductively dechlorinate 900 $\mu$M (ca. 150 mg/L) of tetrachloroethylene (PCE) stoichimetrically into cis-1,2-dichloroethylene (cis-DCE), was established and characterized. The enrichment culture can use yeast extract, peptone, formate, acetate, lactate, pyruvate, citrate, succinate, glucose, sucrose, and ethanol as electron donors for dechlorination of PCE. Addition of NO$_2$$^{[-10]}$ and NO$_3$$^{[-10]}$ as alternative electron acceptors showed complete inhibition of PCE dechlorination, but S$_2$O$_3$$^{-2}$ , SO$_3$$^{-2}$ and SO$_4$$^{-2}$ had no significant effect on PCE dechlorination. The enrichment culture was attached to ceramic media in an anaerobic fixed-bed reactor. The fixed-bed reactor showed more than 99% of PCE degradation in the range of PCE loading rate of 0.13-0.78 $\mu$moles/L/hr. The major end product of PCE dechlorination was cis-DCE. 염화에틸렌 화합물에 오염된 토양으로부터 고농도 (150mg/L)의 PCE를 cis-DCE까지 탈염소화하는 혼합미생물 농화 배양계 LYF-1을 구축하였다. LYF-1은 효모추출물, 펩톤, 포름산, 아세트산, 락트산, 피루브산, 시트르산, 석신산, 글루코오스, 수크로오스, 에탄올 등을 전자공여체로 이용하여 PCE를 탈염소화할 수 있었다. 한편, PCE를 대신할 수 있는 전자 수용체에 의한 PCE 탈염소화에 미치는 영향을 살펴본 결과, NO$_3$$^{-}$와 NO$_2$$^{-}$는 PCE의 탈염소화반응을 완전히 저해하였으나, S$_2$O$_3$$^{-2}$ , SO$_3$$^{-2}$ 및 SO$_4$$^{-2}$ 는 PCE의 탈염소화반응에 그다지 큰 영향을 미치지 않았다. LYF-1 혼합미생물을 혐기성 고정생물막 반응기내의 세라믹 메디아에 부착하고, PCE의 유입부하율 변화에 따른 처리 효율을 조사한 결과, PCE의 부하율 0.13-0.78 $\mu$moles/L/hr의 범위 내에서 99% 이상의 PCE 탈염소화 효율을 보였으며, PCE 탈염소화 반응의 최종산물은 cis-DCE이었다.
이태호,Lee, Tae-Ho 한국방위산업진흥회 1992 國防과 技術 Vol.- No.156
무궁무진한 대기속의 산소를 산화제로 사용함으로써 일반 로케트보다 월등히 높은 비추력을 얻을 수 있는 램제트는 유럽과 소련에서는 이미 실용화 되어 있으며, 미국에서도 활발한 연구가 진행되고 있다. 이러한 선진국들의 활발한 연구와 이의 실용화에 비해 국내에서는 이에 대한 연구가 거의 없는 상태이므로 앞으로 학계에서의 활발한 연구가 기대된다