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Harvey Cleo,Vandenburg S.,Ellingboe A.R. 한국물리학회 2021 Current Applied Physics Vol.28 No.-
The design of a Very-High-Frequency (VHF) 162 MHz driven atmospheric-pressure Capacitively-Coupled-Plasma (CCP), with top and bottom electrodes operated in push-pull configuration, powered via a Power-Splitting- Transmission-Line-Driver (PSTLD), is presented. Application to the reprocessing of carbon dioxide into carbon-monoxide in this "high” VHF atmospheric plasma is presented, demonstrating some behaviour of the plasma source. rf power in the system is characterized using measured current (~ 1′ s Amps peak) and voltage (~ 10′ s Volts peak) waveforms at the electrode; Both are sinusoidal confirming a glow-discharge operational condition. Analysis of Optical Emission Spectra results find a highly non-equilibrium plasma, with high vibrational temperatures (from N2) in the range ~4000 K, while gas temperature, monitored by a thermocouple at the gas outlet, remains low ~300 K, and confirmed by analysis of the N2 rotational bands. The relative density of CO produced, as a by-product of CO2 dissociation, is measured optically using N2 as an actinometer. The CO density increases with rf power and longer gas residence times in the plasma volume. The high VHF atmospheric plasma is found to operate in pure CO2 flows (no helium) with minimal gas heating for the full range of power densities (specific energy input of 0.4–2 eV per molecule) investigated.
캐나다 토론토 H 정신건강협회 슈퍼비전 및 직원개발 체계
안정선,( Cleo An ) 한국사회복지슈퍼비전학회 2019 슈퍼비전과 실천연구 Vol.4 No.-
본 리뷰는 토론토 H 정신건강협회의 슈퍼비전 및 직원개발 체계의 현황과 발전방향을 살펴보고자 하는 목적으로 실시되었다. 이를 위해 H 협회에서 근무하는 사회복지사 2명을 대상으로 2019년 10월, 각각 60분-90분, 2회의 인터뷰를 실시하였다. 본 사례는 인터뷰 내용을 중심으로 요약, 발췌하였고 협회 소개, 협회의 슈퍼비전 및 직원개발 체계소개, 슈퍼비전과 직원개발 체계의 문제점 및 발전방향 등을 중심으로 정리하였다. 마지막으로 H 협회 사회복지사 인터뷰 결과를 토대로 한국 사회복지현장에의 함의를 제시하였다.
Syed, Ali Z.,Sin, Cleo,Rios, Raquel,Mupparapu, Mel Korean Academy of Oral and Maxillofacial Radiology 2016 Imaging Science in Dentistry Vol.46 No.1
The incidental finding of an enlarged mastoid foramen on the right posterior mastoid region of temporal bone is reported, together with a discussion of its clinical significance. A 67-year-old female underwent the pre-implant assessment of a maxillary left edentulous region. A cone-beam computed tomographic (CBCT) image was acquired and referred for consultation. Axial CBCT slices revealed a unilateral, well-defined, noncorticated, low-attenuation, transosseous defect posterior to the mastoid air cells in the right temporal bone. The borders of the osseous defect were smooth and continuous. No other radiographic signs suggestive of erosion or sclerosis were noted in the vicinity. The density within the defect was homogenous and consistent with a foramen and/or soft tissue. The patient's history and physical examination revealed no significant medical issues, and she was referred to a neuroradiologist for a second opinion. The diagnosis of an enlarged mastoid foramen was made and the patient was reassured.
Ali Z. Syed,Cleo Sin,Raquel Rios,Mel Mupparapu 대한영상치의학회 2016 Imaging Science in Dentistry Vol.46 No.1
The incidental finding of an enlarged mastoid foramen on the right posterior mastoid region of temporal bone is reported, together with a discussion of its clinical significance. A 67-year-old female underwent the pre-implant assessment of a maxillary left edentulous region. A cone-beam computed tomographic (CBCT) image was acquired and referred for consultation. Axial CBCT slices revealed a unilateral, well-defined, noncorticated, low-attenuation, transosseous defect posterior to the mastoid air cells in the right temporal bone. The borders of the osseous defect were smooth and continuous. No other radiographic signs suggestive of erosion or sclerosis were noted in the vicinity. The density within the defect was homogenous and consistent with a foramen and/or soft tissue. The patient’s history and physical examination revealed no significant medical issues, and she was referred to a neuroradiologist for a second opinion. The diagnosis of an enlarged mastoid foramen was made and the patient was reassured.
Thirty-Three Years Old Modified Senning Operation
Alkiviadis Michalis,Vassilios Thanopoulos, M.D.,Cleo Laskari, M.D.,Fotios A Mitropoulos, M.D., Ph.D.,Meletios A. Kanakis 대한흉부외과학회 2014 Journal of Chest Surgery (J Chest Surg) Vol.47 No.4
Numerous technical modifications and various complications of the Senning procedure have been described in the literature. We describe the excellent clinical status and anatomic result of a 33-year-old patient who underwent a modified Senning operation using the left atrial appendage for reconstruction more than 30 years prior to presentation.