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Lee, Jun Kyu,Yoon, Woo Young,Kim, Bok Ki The Electrochemical Society 2013 Journal of the Electrochemical Society Vol.160 No.9
<P>The effects of a diamond-like carbon (DLC) coating on a silicon monoxide-graphite composite electrode are studied in order to improve the electrochemical characteristics of silicon monoxide anodes. The DLC is applied through plasma-enhanced chemical vapor deposition and identified by high-resolution transmission electron microscopy, Raman spectroscopy, and electron microprobe analysis. DLC-coated silicon monoxide- graphite composite anode/LiCoO2 full-cells (CR2032) are then assembled in an argon-filled glove-box. The discharge capacity of the coated cell is 523 mA h g(-1) at the first cycle and 409 mA h g(-1) at the 100th cycle at a 0.5 C rate. The 100-cycle capacity retention is 78.2%, which is greater than that of the bare cell (52%). The improved electrochemical characteristics of the DLC-coated cell are determined through impedance, energy-dispersive X-ray, and scanning electron microscopy analyzes. Because the DLC has a high Young's modulus and chemical stability, the coated silicon monoxide- graphite composite maintains a high capacity during cycling. (C) 2013 The Electrochemical Society.</P>
폐암과 동반되어 나타난 기관기관지병증 골연골형성증 1예
이영진,전현수,박시형,김모세,김현주,이승헌,이영민,이현욱,이현경 仁濟大學校 白病院 2010 仁濟醫學 Vol.31 No.-
Tracheobronchopathia osteochondroplastica (TPO) is a rare benign disease of unknown etiology characterized by multiple cartilaginous or bony submucosal nodules, which project into the tracheobronchial lumen. Although some disorders were reported combined with TPO, these seemed to be considered casual. We report a case of TPO that combined with adenocarcinoma of lung. She was 50-year-old non smoking woman presented with chronic cough with right chest pain. Lung mass on right lower lobe was found on chest x-ray, so lung cancer was suspected. Multiple scattered whitish small elevations from trachea to bronchial trees were found on bronchoscopic exam. We mistook these lesions for metastases from lung cancer and biopsies of these lesions were done. Transbronchial biopsy for right lower lobe mass lesion was also done. But biopsies from trachea and bronchus revealed TPO rather than lung cancer. Transbronchial lung biopsy of right lower lobe mass was diagnosed adenocarcinoma of lung. So TPO combined with adenocarcinoma of lung was diagnosed.
이기원,박선화,김영유,안은준 公州大學校 基礎科學硏究所 2004 自然科學硏究 Vol.11 No.-
본 연구에서는 다공질규소의 온도를 상온에서부터 10K까지 감소시키면서 PL스펙트럼을 측정하여 PL의 온도의존성을 관찰하였다. 그 결과를 Lee가 제안한 세 가지 발광원인에 대한 에너지띠구조 모형을 도입하여 해석하였다. 그 결과 다공질규소 PL의 온도의존성은 Lee가 제안한 세 가지 발광원인이 규소화합물에 의한 발광, 계면에서의 발광, 양자구속효과에 의한 발광이라고 할 때 만족하게 설명되었다. In this research, we investigated temperature dependence of photoluminescence characteristics of porous silicon in temperature ranges from room temperature to 10K. the results, we analyzed it introduce electronic band structures suggest by Lee et al. It is about that three different luminescence origins. From results, we found that temperature dependence of porous silicon photoluminescence were explained properly when electronic band structure of three different luminescence origins is based on the chemical model and the interface region model and the quantum confinement model.
이병도,이완,팽준영,이준,최문기,손현진 대한구강악안면방사선학회 2009 Imaging Science in Dentistry Vol.39 No.3
The calcifying odontogenic cyst (COC) is a rare disorder of the jaws and shows various radiographic features. The purpose of this study is to describe the different radiographic appearances of 2 cases of COC. Case 1 was located in the posterior maxilla extending into maxillary sinus, showing unilocular radiolucency with a well-defined margin. Cortical bone expansion and thinning were prominent. Root resorption of adjacent teeth was apparent. Case 2 showed unilocular radiolucency with a calcified material. Calcification was supposed to be dystrophic dental hard structures, detected at the periphery of the lesion. Ghost cell and proliferation of ameloblastoma-like tissues were common features for these two lesions on histopathological findings. This reports presented common and atypical radiographic features of the COC. (Korean J Oral Maxillofac Radiol 2009; 39 : 169-73)
복합 운동프로그램이 초등학생의 신체구성, 혈중지질 및 체력에 미치는 영향
전종귀,이왕록,박희근,정준현,이영란,신동원,이경숙 충남대학교 체육과학연구소 2006 體育科學硏究誌 Vol.23 No.1
The purpose of the present study was to examine the effects of combined training on the changes of body composition, blood lipid profile and fitness in elementary school students. Thirty subjects participated in the present study. The subjects were divided into two groups either exercise group for 10weeks(15n) or control group for 10weeks(l5n) The results were described as follows; 1) There were significant differences in the body weight and lean body mass after the exercise program between two groups. 2) There were no significant differences in the blood TC, HDL-C, LDL-C, TG concentration after the exercise program between two groups. 3) There were significant differences in the sit-up and flexibility after the exercise group between two groups. In conclusion, it might be thought that the combined training improved the levels of body composition and health-related fitness in elementary subjects.
이승준,주석준,이상현,민경원,최문식,이영철 대한건축학회 2003 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.23 No.1(구조계)
This paper discusses System Identification using observer in time domain. It is carried out for a experimental Three story structure With Active Mass Damper(AMD). Applying gradually stable method. Observer Kalman Filter Identification(OKID) determines Maskov paramaters. System eigen value is presumed utilizing this variables. Simulation system is composed of this fluents's compounding. It is verticified to compare numerical simulation results with experimental measurements.