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Cutis Marmorata Telangiectatica Congenita 의 1예
김용대,송준영,이원석,박의수 啓明大學校 醫科大學 1988 계명의대학술지 Vol.7 No.2
Cutis marmorata telangiectatica congenita is a rare congenital vascular anomaly, characterized by congenital cutis maromrata, phlebectasia, opider nevi, ulceration, and in most instances, steady improvement from birth. We report a case of cutis marmorata telangiectatica congenita in 3-month-old boy who has developed localized, dark red reticulated mottling with shiny atrophic scars on the inner side of the left leg. Diagnosis was confirmed by clinical and histopathologic features.
『辨證奇聞』의 醫學的 特徵에 關한 考察 : 傷寒門을 중심으로 In view of ShangHan
이원석,박선동,박원환,김준기,김종대 동국대학교 한의학연구소 1998 東國韓醫學硏究所論文集 Vol.6 No.2
『辯證奇聞』은 淸代(1687年) 陳土鐸이 著述한 醫書로서 126門의 형식으로 이루어져 있다. 내용을 보면 한의학적 理法方藥의 논리체계를 제시하였다고 볼 수 있다. 明末淸初이후 중국에서는 實證的인 學風의 등장에 따라 歷史理論에 대한 비판 및 정리작업이 활발히 이루어지기 시작하였으며, 이 시기에 저작된 『辯證奇聞』은 현재 우리나라 臨床家에서 널리 膾炙되고 있는 秘方과 관련된 醫書중의 하나로 이에 대한 내용을 정리함으로서 현대와의 연계를 도모해 볼 수 있었다. 주로 腑臟辯證論治에 대한 시각에 입각하였고, 「傷寒論」을 보완하면서 비판한면도 찾아볼 수 있었다. 약물은 體內의 津液損傷與否를 살펴 사용하였다. In order to find the characteristic medical mothods of 『BianZhengGiMun』by the author ChenshiTo, we have translated and analyzed the mentioned book. Upon analyses, the following facts were noted: 1) 『BianZhengGiMun』is written and composed of case studies. Prescriptive methods described here differ rather from previously known methods, where as our nation's Oriental medicine practioners refer and consider these methods as miraculous modern methodologies. 2) Book's content has much similarities to 『ShangHanLun』's original text. Moreover, the content is adjusted towards presenting methodologies not covered in 『ShangHanLun』's text, together with adding more information to converse 『ShangHanLun』's methods as well as to critique them. 3) Diagnostic methods mainly follow the ZangFuBianZheng(朧腑辨證)'s pattern, where it's recorded information and theories are valid. 4) 『BianZhengGiMun』's prescriptive methods usually follow BuYinShengJin(補陰生津)'s form, where they were appropriate for that period and circumstances. 5) In consideration of all of the above factors, ChenShihTo grasped ShangHan and WenBing(acute febrile disease due to exogenous factor) as WaiGanReBing(外感熱病)'s double sided characteristics, where this corresponds with the current belief. It is believd that this in turn would provide much practical value to the present time.
마이크로머시닝을 이용한 Bump형 Probe Card의 제조
최원익,김용대,심준환,이종현 경북대학교 센서기술연구소 1998 센서技術學術大會論文集 Vol.9 No.1
Probe card is the most important part of testing IC chips. This work was related to silicon vertical probe card which enabled to simultaneously test multiple semiconductor chips. We presented Bump-type vertical probe card. It was fabricated by dry etching using RIE technique, isotropic etching, and bulk-micromachining on SDB wafer. The process used in this work was very simple and reproducible, which had good controllability in the probe card dimension and spacing. It is expected that the fabricated probe card can reduce testing time, can promote productivity and enables bum-in test.
XRD와 Mo¨ssbauer 분광법을 이용한 제주도 송이의 연구
최원준,고정대,홍성락 濟州大學校 基礎科學硏究所 2001 基礎科學硏究 Vol.14 No.2
송이는 화산 활동시 생긴 여러 물질가운데서 다공질의 화산암, 화산사, 화산회형태로 이루어져있다. 본 연구에서는 X-선 회절분석과 (57)^Fe Mo¨ssbauer 분광법을 이용하여 제주도 서부 4개 지역의 송이에 관하여 연구하였으며, 300K에서 X-선 회절피크와 300K와 77K에서 Mo¨ssbauer 스펙트럼을 측정한 결과 송이의 중요 구성물질이 quartz, olivine, pyroxene, ilmenite, hematite, magnetite임을 확인할 수 있었다. Scoria was made of volcanic materials which are porous volcanic rock, volcanic sand and volcanic ashes. In this study, we are reporting the results of measurements of the x-ray diffraction and (57)^Fe Mo¨ssbauer spectrum for the powder samples of scoria taken from four seperated western sites on Jeju island. The analysis of XRD peak at 300K and Mo¨ssbauer spectra at 300K and at 77K shows that the major compounds of Jeju island are composed of quartz, olivine, pyroxene, ilmenite, hematite and magnetite.
스위치드 릴럭턴스 전동기를 위한 구동시스템의 역률개선과 고효율에 관한 연구
한대희,최준혁,윤용호,정동효,김도군,원충연 성균관대학교 2003 학술회의지원논문목록집 Vol.2003 No.-
Switched Reluctance Motor (SRM) offers the advantages of simple and robust motor construction, high speeds and high efficiencies over a wide operating range of torque and speed, excellent controllability. However, SRM has the disadvantages of high current harmonics, and low power factor because of a capacitor filter is inserted in the power converter and inductance of SRM is high, it has pulse waveform of current. This paper deals with an energy efficient converter fed SRM system with the reduced harmonics and improved power factor and with higher efficiency. The validity of the proposed scheme is verified via experiment. We are implemented the proposed control system using 8OC196KC micro-controller.