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산 및 실란 처리방법을 이용한 탄소나노튜브/에폭시 복합재의 트라이볼로지 특성
이지훈,이경엽 한국공작기계학회 2008 한국공작기계학회 추계학술대회논문집 Vol.2008 No.-
Multi-walled CNTs(MWCNT) were functionalized via oxidation with a mixture of sulfuric acid (H2SO4) and nitric acid (HNO3). Then, the functionalized CNTs with oxidation were surface-modified using a coupling agent, 3-aminopropyltriethoxysilane. CNT/epoxy nanocomposites were fabricated using oxidized CNTs andsilane-modified CNTs, respectively, to investigate the effect of silane treatment on the tribological behavior of CNT/epoxy nanocomposites. Wear tests were performed on oxidized and silanized CNT/epoxy nanocomposites, at three different sliding speeds.
차량탑재형 전기자동차 완속충전제어시스템 구현에 관한 연구
이지훈,남규현,박준석 한국정보통신설비학회 2018 한국정보통신설비학회 학술대회 Vol.2018 No.08
Electric vehicles are attracting attention as a means of transportation in the future, and they are becoming popular throughout the world. In Korea, the number of registered electric vehicles has more than doubled from 10,855 in 2016 to 25,108 in 2017. The supply of charging infrastructure is an important factor for the stable operation of electric vehicles. Although it is trying to supply it nationwide, it is lacking in the supply of services considering installation cost and user convenience. As a solution to this problem, a charging service utilizing a public electric facility (commercial 220V outlet in a parking lot) has been commercialized, but additional construction is required and there is a problem of purchasing a dedicated charging cable. Therefore, in this paper, we propose a vehicle-mounted electric vehicle charging system that can charge an electric car with a commercial charging cable without any additional construction in a public electric facility. Particularly, contents of the charge control device capable of measuring and controlling the charge power will be described in detail.
이지훈,김광남,Lee, Ji-Hoon,Kim, Kwang-Nam 대한치과보철학회 1985 대한치과보철학회지 Vol.23 No.1
This study was designed to investigate the side shift of orbiting condylar movement by direct measurements from tracings of Denar pantograph. It is well known that side shift has much influence on the articulating surface of teeth. In this study, after locating the ture hinge axis point with Denar hinge axis locatior, the recordings of Mandibular movement were obtained from Denar pantographic recording assembly, and immediate side shift and progressive side shift were measured. For this study, 20 dental studnts who have no missing teeth and no difficulties of mandibular movement and 4 patients who were, treated by occlusal therapy were selected. The results obtained were as follows, 1. The prevalence of immediate side shift was 42%, and the immediate side shift of greater than 0.5mm was only 17%. 2. The mean of immediate side shift (20 of 48) was 0.38mm, that of right lateral excursion (7 of 24) was 0.27mm, and that of left lateral excursion (13 of 24) was 0.44mm. 3. The mean of progressive side shift was $7.21^{\circ}$ that of right lateral excursion was $6.46^{\circ}$, and that of left lateral excursion was $7.96^{\circ}$.
이지훈 全南大學校 人文科學硏究所 2003 용봉인문논총 Vol.32 No.-
Rewriting The Past: Jung Bok-Kun' s Early Plays Yì Ji-Hoon(Changwon University) Jung Bok-Kun, one of the few female Korean playwrights, has been writing for the stage since 1976. Her early plays, Dok-Bae (A Poisoned DrÏnk. 86). Pi-Tul-Jin-Jip (The House Not Upright, 88), and Sil-Bi-Myung (The Real Inscription , 89) capture our attention because they represent the Korean contemporary history, The first play, Dok-Bae focuses on the sociσ-political problems during the 80' s labour movement which is connected to the 5.16 Military Coup; the second one, pi-Tul-Oe-Jin-Jip, deals with the problem of rape in a modern society revealing the past history of the Japanese military sexual slavery; and the last one, Sil-Bi-Myung, deals with the tyrannical deeds by the military government in the 80' s, such as murder, kidnapping, and torture including sexual torture. Like the Ibsenite characters. Jung Bok-kun's characters are suffered by the past. The past still suppresses their lives and changes them. Nobody can get over their past and can move toward the future. They are imprisoned by the past and tortured by the deeds they have done and by what they have experienced in the past. The power and a1so the weakness of Jung Bok-Kun as a p1aywright is shown in her characterization. Her characters are not great heroes of tragedy but ordinary people who suffer in their time. like us. That is why they can't free themse1ves from the limit of the accepted ideas of the period and the society that they live in. They suffer. but just remain as cowards. except Hyunee in Sil-Bi-Myung. This a1so limits Jung Bok-Kun's perspective on the past(history). Like her characters. she can't create a new vision beyond the limit of accepted opinions of the time period. She attempts to confront the problems of past Korean contemporary history, but fails, Her trial remains only a sketch. Her failure seems to be from her limited vision to refuse the deconstruction of Korean history. Thus. she fails to see and rewrite it in a new perspective. In dealing with fema1e characters. she a1so fai1s to see them in feminist view. These are why her ear1y plays are not dynamic nor alive to the readers or the audience.
이지훈,김영호,김수용,장우익,권상옥,이동기,조휘율 대한소화기내시경학회 1990 Clinical Endoscopy Vol.10 No.2
Obstructive jaundice produced by periportal tuberculous adenitis in the absence of pulmonary tuberculosis is quite rare. We are reporting the case of a 58-year-old woman who presented with constitutional symptoms and biochemical evidence of biliary tract obstruction. By abdominal sonogram and CT scan, a mass around the head of pancreas and periportal area was detected. The ERCP showed fistula connected proximal common bile duct to lymph node. The patient underwent laparotomy and recognized tuberculous adenitis of periportal lymph node which caused biliary tract obstruction with fistula.