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이종철,최주호,박수연,최정화,김종한,Lee, Jong-Cheol,Choi, Joo-Ho,Park, Soo-Yeon,Choi, Jeong-Hwa,Kim, Jong-Han 대한한방안이비인후피부과학회 2012 한방안이비인후피부과학회지 Vol.25 No.2
Objective : We report the effects of Korean medical treatment for Verruca Plana. Methods : We used herbal treatment, acupuncture, herbal acupuncture. To evaluate the results of this treatment, we observed the patient's condition and photographed. Results : After Korean medical treatment, the patient's warts remarkably disappeared and there was no recurrence. Conclusion : We suggest that Verruca Plana can be treated by Korean medical treatment effectively. We expect these study results help provide useful evidence of Korean medicine as an effective treatment for Verruca Plana.
이종철,정광선,안병태,Lee, Jong-Chul,Jung, Gwang-Sun,Ahn, Byung-Tae 한국재료학회 2011 한국재료학회지 Vol.21 No.10
A high-quality CIGS film with a selenization process needs to be developed for low-cost and large-scale production. In this study, we used $Cu_2In_3$, CuGa and $Cu_2Se$ sputter targets for the deposition of a precursor. The precursor deposited by sputtering was selenized in Se vapor. The precursor layer deposited by the co-sputtering of $Cu_2In_3$, CuGa and $Cu_2Se$ showed a uniform distribution of Cu, In, Ga, and Se throughout the layer with Cu, In, CuIn, CuGa and $Cu_2Se$ phases. After selenization at $550^{\circ}C$ for 30 min, the CIGS film showed a double-layer microstructure with a large-grained top layer and a small-grained bottom layer. In the AES depth profile, In was found to have accumulated near the surface while Cu had accumulated in the middle of the CIGS film. By adding a Cu-In-Ga interlayer between the co-sputtered precursor layer and the Mo film and adding a thin $Cu_2Se$ layer onto the co-sputtered precursor layer, large CIGS grains throughout the film were produced. However, the Cu accumulated in the middle of CIGS film in this case as well. By supplying In, Ga and Se to the CIGS film, a uniform distribution of Cu, In, Ga and Se was achieved in the middle of the CIGS film.
탄약 비군사화 기술현황 분석-폐탄 및 불용탄 처리, 어떻게 할 것인가?
이종철,박방삼,고복남,Lee, Jong-Cheol,Park, Bang-Sam,Go, Bok-Nam 한국방위산업진흥회 2001 國防과 技術 Vol.- No.264
향후 우리 군은 작전소요 등 특별한 경우를 제외하고는 불용탄의 야외처리를 단계적으로 축소하지 않으면 안 될 것이며 이에 대한 환경감시는 더욱 강화될 것이다. 뿐만 아니라 NIMBY 현상 등 지역 이기주의에 따라 현재기술로 가장 안전하다고 입증된 소각 대체기술로서 환경과 폭발안전을 도모할 수 있는 새로운 기술이 요구되고 있다.
갑상선암 수술 후 재발한 경부림프절의 위치 확인에 있어서 초음파 유도하 참숯 현탁액 표식의 유용성: 예비보고
이종철,한명월,이정현,노종렬,남순열,김상윤,최승호,Lee, Jong Cheol,Han, Myung Woul,Lee, Jeong Hyun,Roh, Jong-Lyel,Nam, Soon Yuhl,Kim, Sang Yoon,Choi, Seung-Ho 대한기관식도과학회 2011 大韓氣管食道科學會誌 Vol.17 No.1
Objectives The high sensitivity of ultrasound and thyroglobulin determination for follow-up of differentiated thyroid cancer allows early detection of nonpalpable recurrences. Intraoperative localization of these small foci in previously dissected necks is a surgical challenge. We assessed the safety and effectiveness of ultrasound-guided tattooing (US-tattoo) with a charcoal suspension for localizing nonpalpable cervical recurrences after thyroidectomy for thyroid cancer. Subjects and Methods Between March 2009 and December 2010, we retrospectively reviewed 19 patients who underwent US-tattoo with injection of a charcoal suspension for recurrent thyroid papillary cancer on central neck compartment after thyroidectomy. All patients underwent the surgical dissection after US-tattoo. The complications and effectiveness of US-tattoo were evaluated. Results The technical success rate of US-tattoo for suspicious lesions was 100%. There was no complication with regard to US-tattoo. During surgery, all but one tattooed lesions were detected by surgeons. On final pathologic reports, all recurrence lesions but two cases were successfully removed. Conclusion Preoperative US-tattoo is a safe and effective method for successful reoperation of central neck compartment recurrences after thyroidectomy.
수도의 영화수성립과 수량에 미치는 기상환경의 영향에 관한 연구 II. 영화수 성립에 미치는 기상소모효과
이종철,안수봉,Lee, Jong-Chul,Ahn, Su-Bong 한국작물학회 1984 한국작물학회지 Vol.29 No.4
In order to confirm the effect of climatic consumption index (C C I) on the number of spikelets and yield of rice, 3 levels of shading rates such as 0, 25, 50% of full light were treated during the tillering stage, reproductive growth stage and ripening period, respectively, in a phytotron controlled with day/ night temperature of 20/10$^{\circ}C$ and 30/20$^{\circ}C$, and field at Crop Experiment Station, Suwon, Korea. The results are as follows: 1. As solar radiation decreased during the reproductive growth stage in 30/20$^{\circ}C$ or field condition, the number of spikelets per panicle was decreased due to the decrease of the number of differentiated secondary rachis branches and spikelets as well as the increase of the number of degenerated secondary rachis branches and spikelets. 2. Our results showed slight negative correlation between C C I of the reproductive growth stage and number of panicles per square meter and number of differentiated secondary rachis branches. On the other hand, there was highly significant positive correlation between C C I of the reproductive growth stage and the number of degenerated secondary rachis branches and spikelets, and negative correlation in number of differentiated spikelets. 3. The shading during the reproductive growth stage did not affect on the percentage of ripened grains and 1000 grains weight of hulled rice, whereas those were decreased with shading during the ripened period. 4. Influence of shading in each growing stage on the yield was severe in the order of ripened period, reproductive growth stage, tillering stage. 5. Respiration rate in Jinheung was higher than that of Tongil at low temperature, but reversed above 30$^{\circ}C$. Respiratory coefficients (Q$\sub$10/) of Tongil and Jinheung were 2.74 and 1.96, respectively. Respiration/ photosynthesis ratio in Jinheung was higher than that of Tongil at low temperature, while higher in Tongil above 32$^{\circ}C$. 6. Transportation of $\^$14/C was restricted at 20/10$^{\circ}C$ in Tongil, however, there was no differences at 30/20$^{\circ}C$ in both Tongil and Jinheung. The influence of shading on the transportation of $\^$14/C did not affect at 20/10$^{\circ}C$, but it was hampered with shading at 30/20$^{\circ}C$ in both varieties.
초임계 이산화탄소에 의한 금속 담지 활성탄으로부터 담지금속의 추출
이종철,류삼곤,Lee, Jong-Chol,Ryu, Sam-Gon 한국군사과학기술학회 2008 한국군사과학기술학회지 Vol.11 No.5
Metal ions such as Cu and Cr were extracted from the Cu, Cr and Ag impregnated active carbon by contacting the solid surfaces with supercritical carbon dioxide(Sc-$CO_2$) containing chelating agents. About 10g of the active carbon sample were loaded in a vertical tube extractor contacting with $CO_2$ flowing from the bottom of the tube for 6hrs. The ligands used were acetyl acetone(AA) and Cyanex-302(C-302). Water and methanol were used as entrainers to study the effect of co-solvent to $CO_2$. Experimental results showed that C-302 was more effective than AA in removing Cu with the maximum extraction of 42.0wt%, while 57.6wt% of Cr was extracted with AA from the sample.
기초연구 사업평가에 관한 연구-국과연 기초연구 실적 평가를 중점으로
이종철,이석훈,Lee, Jong-Cheol,Lee, Seok-Hun 한국방위산업진흥회 1992 國防과 技術 Vol.- No.165
국과연이 산.학.연에 지원하고 있는 기초연구사업의 2차년도 연구결과 발표회가 국과연 산학회관에서 10월27일부터 11월 4일까지 열렸습니다. 이번 발표회는 물리.광학.전기.전자, 화.공학, 수학.전산, 기계.항공, 해양.조선, 재료공학 등 7개 분과로 나뉘어 진행되었습니다. 국과연은 지난 91년 12월에 제1회 발표회를 가진바 있으며, 이번 네2회 발표회는 지난회의 48개 과제에 대한 중간 실적 평가와 함께 새로 선정된 29개 과제의 연구 결과 발표장이 되었습니다. 이에 이번호에는 사업평가에 관한 연구(총괄 p.p 26-33)와 함께 6개 부문별로 각각의 발표내용을 발췌하여 게재(p.p 34-45)합니다
국방 기초과학기술 연구의 특성화 및 집중화-연구센타 설치를 통한 대학의 기초연구 지원을 중심으로
이종철,Lee, Jong-Cheol 한국방위산업진흥회 1991 國防과 技術 Vol.- No.153
날로 고도 전문화, 거대화하는 현대기초과학기술의 전문성을 살리고 이의 국제화를 통한 연구영역을 확대하기위해서는, 기존 기초연구의 추진과 병행하여 연구의 특성화 및 집중화의 조기실현이 시급히 요구되고 있다. 이 글에서는 미국 국방부 및 유럽의 공동기술개발 노력과 국내 산.학.연 협동연구실태를 분석하여 향후 우리가 중점 육성해야할 기술을 도출하고 도출된 기술을 확보하기 위해 기존의 우수연구센터 활용과 국방 핵심기술 연구센터를 대학에 설치 운영하는 방안을 제시하고저 한다