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An overlap syndrome of Churg-Strauss syndrome and rheumatoid arthritis
배승일,장종걸,김훈태,안희윤,김민정,김현제,이충기,홍영훈 영남대학교 의과대학 2015 Yeungnam University Journal of Medicine Vol.32 No.2
Churg-Strauss syndrome (CSS) is a necrotizing vasculitis with extra-, peri-vascular eosinophilic infiltration. Chronic symmetric polyarthritis with the presence of rheumatoid factor (RF) and anti-cyclic citrullinated peptide antibody are the mainstay of rheumatoid arthritis (RA) diagnosis. Mononeuritis multiplex is a peripheral neuropathy involving more than 2 separate nerve areas. A 62-year-old male patient was referred for left foot drop and polyarthritis of both hands and feet for 4 months. During evaluation, mononeuritis multiplex was detected on nerve conduction study and electromyography tests: vasculitis with neutrophil, eosinophil, and lymphocyte infiltration on peroneal nerve biopsy. A positive response to methacholin and bronchodilator was observed on the pulmonary function test. Radiologic tests showed peri-articular soft tissue swelling and osteopenia on both hand and foot. Marked peripheral eosinophilia, high RF, and positive perinuclear anti-neutrophil cytoplasmic antibody were detected on blood tests. Here, we report on a patient with overlap syndrome of CSS and RA with review of the relevant literature, from which a few references to overlap syndrome of CSS and RA were available.
농촌지역 돌발재해 피해 경감을 위한 USN기반 통합예경보시스템(ANSIM)의 개발
배승종,배원길,배연정,김성필,김수진,서일환,서승원 한국농촌계획학회 2015 농촌계획 Vol.21 No.3
The objectives of this research have been focussed on 1) developing prediction techniques for the flash flood and landslide based on rainfall prediction data in agricultural area and 2) developing an integrated forecasting system for the abrupt disasters using USN based real-time disaster sensing techniques. This study contains following steps to achieve the objective; 1) selecting rainfall prediction data, 2) constructing prediction techniques for flash flood and landslide, 3) developing USN and communication network protocol for detecting the abrupt disaster suitable for rural area, & 4) developing mobile application and SMS based early warning service system for local resident and tourist. Local prediction model (LDAPS , UM1.5km) supported by Korean meteorological administration was used for the rainfall prediction by considering spatial and temporal resolution. NRCS TR-20 and infinite slope stability analysis model were used to predict flash flood and landslide. There are limitations in terms of communication distance and cost using Zigbee and CDMA which have been used for existing disaster sensors. Rural suitable sensor-network module for water level and tilting gauge and gateway based on proprietary RF network were developed by consideration of low-cost, low-power, and long-distance for communication suitable for rural condition. SMS & mobile application forecasting & alarming system for local resident and tourist was set up for minimizing damage on the critical regions for abrupt disaster. The developed H/W & S/W for integrated abrupt disaster forecasting & alarming system was verified by field application.
배승묵,정화영,이종호,황진하 한국세라믹학회 2010 한국세라믹학회지 Vol.47 No.1
Among various fuel cells, solid oxide fuel cells (SOFCs) offer the highest energy efficiency, when taking into account the thermal recycling of waste heat at high temperature. However, the highest efficiency and lowest pollution for a SOFC can be achieved through the sophisticated control of its constituent components such as electrodes, electrolytes, interconnects and sealing materials. The electrochemical conversion efficiency of a SOFC is particularly dependent upon the performance of its electrode materials. The electrode materials should meet highly stringent requirements to optimize cell performance. In particular, both mass and charge transport should easily occur simultaneously through the electrode structure. Matter transport or charge transport is critically related to the configuration and spatial disposition of the three constituent phases of a composite electrode, which are the ionic conducting phase, electronic conducting phase, and the pores. The current work places special emphasis on the quantification of this complex microstructure of composite electrodes. Digitized images are exploited in order to obtain the quantitative microstructural information, i.e., the size distributions and interconnectivities of each constituent component. This work reports regarding zirconia-based composite electrodes.
MCP로 제조된 황화물 첨가에 의한 분말소결재료의 가공특성
배승열(Sung Yeal Bae),안인섭(In Shup Ahn),조권구(Kwon Koo Cho),김기원(Ki Won Kim),박동규(Dong Kyu Park) 한국생산제조학회 2006 한국공작기계학회 춘계학술대회논문집 Vol.2006 No.-
Metal sulfide(MeS)is well-known and widely used an additive for enhancing machinability, but the problems is extremely sensitive to reaction with moisture and thermal decomposition during sintering. In this study, micron or nano size compound powders of FeS were produced by mechano-chemical process. The machinability was also evaluated at the metal sulfide added sintered steel. Compared with the MnS additive, addition of the FeS powders to the iron resulted the formation of the sintering materials containing a spherical shape of pore, partly remained FeS rich-phase in iron matrix. Relative machinability behavior of sintering materials was investigated by the lathe manufacturing. Mechanical properties of sintering material with 1.2%FeS powders were improved rather than its using MnS powders.
Enthalpy Equation을 이용한 고층 건물의 제연해석
배승용,고권현,유홍선,노경철 한국화재소방학회 2010 한국화재소방학회논문지 Vol.24 No.4
Recently, increases of population density due to the industrialization in the metropolitan cities has caused the high-density and integration of life environment. Then various high-rise buildings are constructed for accommodation. However, high-rise building fires can cause high casualties due to increases of smoke spread velocity through the vertical shaft. In this study, the new program based on the enthalpy conservation for analysis of energy transfer for smoke control system, CAU_ESCAP,was developed. CAU_ESCAP was validated by comparing with the result of ASCOS. The characteristic of smoke control was analysed by using CAU_ESCAP for high-rise building fires. 최근 도시 중심의 산업화에 의한 도시 내 인구 밀도의 증가는 생활환경의 고밀화, 집적화를 초래하였다. 이에 따라 도시 내에는 다수의 인원을 수용할 수 있는 다수의 고층 건축물이 축조되고 있는 추세이다. 하지만 고층 건물은 건물의 구조적 특성에 의해 화재발생 시 수직적 통로를 통한 연기확산속도가 증가하게 되어 높은 인명피해를 야기하게 된다. 그러므로 본 연구에서는 고층건물의 제연해석을 위해 개발된ASCOS 프로그램을 기반으로 엔탈피 보존방정식을 추가하여 에너지 전달을 고려한 제연해석 프로그램(CAU_ESCAP)을 개발하였다. CAU_ESCAP는 ASCOS의 제연해석결과와 비교를 통해 프로그램의 타당성을 검증을 하였으며, 건물 내 화재 발생에 대해 적용하여 건물 내 제연 특성을 분석하였다.
배승은,권혁준,권선만,강충배,김진구 한국동물분류학회 2013 Animal Systematics, Evolution and Diversity Vol.29 No.4
A single specimen of the genus Sillago, collected from Gwangyang, Korea, in May 2009, is characterized by XI first dorsal fin spines, 3 or 4 rows of melanophore pattern along the second dorsal fin membrane, and a darkish posterior margin of the caudal fin. Our specimen was identified as Sillago sinica reported as a new species; this identification is confirmed by mitochondrial DNA cytochrome oxidase subunit I sequences, which show that our specimen corresponds to S. sinica (d=0.000) and differs from the congeneric species Sillago parvisquamis (d=0.170). Comparisons of Korean specimens previously reported as S. parvisquamis with specimens of S. sinica show that the S. parvisquamis specimens are actually S. sinica. We propose the new Korean name “buk-bang-jeom-bo-ri-myeol” for S. sinica.