http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Paek, Seung-Min,Kim, Young-Il Elsevier 2018 Journal of solid state chemistry Vol.267 No.-
<P><B>Abstract</B></P> <P>Local structural aspects of complex perovskites BaM<SUB>0.2</SUB>Ta<SUB>0.8</SUB>O<SUB>3−<I>x</I> </SUB>N<SUB> <I>x</I> </SUB> (M = Li, Na, Mg) were studied by the extended X-ray absorption fine structure (EXAFS) and X-ray absorption near edge structure (XANES) spectroscopies at the Ta <I>L</I> <SUB>3</SUB>-edge, and also by the diffraction line broadening analysis of high-resolution synchrotron X-ray diffraction (XRD) data. The line broadening analysis based on the Williamson-Hall method indicated that the lattice periodicity of BaM<SUB>0.2</SUB>Ta<SUB>0.8</SUB>O<SUB>3−<I>x</I> </SUB>N<SUB> <I>x</I> </SUB> are disturbed remarkably, with a dependence on the size mismatch between M<SUP>+</SUP> <SUP>/</SUP> <SUP>2+</SUP> and Ta<SUP>5+</SUP>. The Ta <I>L</I> <SUB>3</SUB>-edge EXAFS revealed that part of the Ta−O/N bonds are contracted by the existence of the large alkali cation on the shared octahedral site. Meanwhile, the XANES implied the distortion of Ta(O,N)<SUB>6</SUB> from ideal octahedral geometry, where the curve fitting of the spectra provided additional information on the bonding character of Ta.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Local structures of <I>cubic</I> BaM<SUB>0.2</SUB>Ta<SUB>0.8</SUB>O<SUB>3−<I>x</I> </SUB>N<SUB> <I>x</I> </SUB> (M = Li, Na, Mg) were studied by X-ray. </LI> <LI> Diffraction line broadening and EXAFS manifest the irregular distortions around Ta. </LI> <LI> XANES provide information on the lattice covalency and band structure. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>Local distortions of cubic perovskites BaM<SUB>0.2</SUB>Ta<SUB>0.8</SUB>O<SUB>3−<I>x</I> </SUB>N<SUB> <I>x</I> </SUB> (M = Li, Na, Mg) are disclosed by diffraction line broadening analysis and X-ray absorption spectroscopy.</P> <P>[DISPLAY OMISSION]</P>
Kim, Seung-Wan,Cho, Il-Hoon,Lim, Guei-Sam,Park, Gi-Na,Paek, Se-Hwan Elsevier Applied Science 2017 Biosensors & Bioelectronics Vol. No.
<P><B>Abstract</B></P> <P>A hybrid-biosensor system that can simultaneously fulfill the immunoassay for protein markers (e.g., C-reactive protein (CRP) and procalcitonin (PCT)) and the enzyme assay for metabolic substances (e.g., lactate) in the same sepsis-based sample has been devised. Such a challenge was pursued through the installation of an enzyme-reaction zone on the signal pad of the typical immuno-strip for the rapid two-dimensional (2-D)-chromatography test. To minimize the mutual interference in the hybrid assays, a pre-determined membrane site was etched in a pattern and mounted with a biochemical-reaction pad, thereby allowing a loaded sample to enter and then stay in the pad for a colored-signal production over the course of an immunoassay. By employing such a constructed system, a serum sample was analyzed according to the vertical direction flowing along the strip, which supplied lactate to the biochemical-reaction zone and then protein markers to the immunological-binding area that was pre-coated with capture antibodies. Thereafter, the enzyme-signal tracers for the immunoassay and the substrate solution were sequentially furnished using a horizontal path for the tracing of the immune complexes that were formed with CRP or PCT. The color signal that was produced from each assay was detected at a pre-determined time and quantified on a smartphone-based detector. Under the optimal conditions, the dynamic ranges for the analytes covered the respective clinical ranges, and the total coefficient of variation was between 8.6% and 13.3%. The hybrid biosensor further showed a high correlation (R<SUP>2</SUP> > 0.95) with the reference systems for the target markers.</P> <P><B>Highlights</B></P> <P> <UL> <LI> A biosensor that can simultaneously fulfill immunoassay and enzyme assay was devised. </LI> <LI> Triple markers (CRP, PCT, and lactate) in the same sepsis-based sample were targeted. </LI> <LI> The color signal produced from each assay was quantified on a smartphone detector. </LI> <LI> The dynamic ranges for the analytes covered the respective clinical ranges. </LI> </UL> </P>
T-50 플러터/진동소음 비행시험 데이터베이스 시스템 개발
곽동일(Dong-Il Kwak),백승길(Seung-Kil Paek),박금당(Keum-Dang Park),김영익(Young-Ik Kim) 한국항공우주학회 2006 韓國航空宇宙學會誌 Vol.34 No.2
항공기의 플러터 및 진통소음 특성은 장기간에 걸친 다양한 비행시험을 통해서만 획득 가능하며, 생성된 방대한 양의 데이터를 효율적으로 축적하기 위해서는 특별히 설계된 데이터베이스 시스템이 필요하다. 이에 따라 MS-Access를 기반으로 하여 T-50 고등훈련기 비행시험 시 측정된 플러터/진동소음 환경 데이터를 처리하는 데이터베이스 시스템을 개발하였다. 개발된 시스템은 항공기 비행시험과 관련된 자료 항목, 관련 항목으로 구성된 테이블, 그리고 작성된 테이블들을 논리적으로 연결한 관계형 데이터베이스로 구성되며, 비쥬얼 베이직과 구조적 질의어를 이용한 데이터 검색 GUI(Graphic User Interface)를 구현하여 직관적인 검색이 가능하도록 되어 있다. 개발된 시스템을 이용하여 플러터/진동소음 데이터의 축적 및 요구도 검중에 효과적으로 활용하였다. The flutter/vibroacoustic characteristics can be acquired by conducting flight tests with various conditions for a long period of test. Accordingly it is indispensable to build a specially designed database system to efficiently accumulate the enormous data obtained from flight tests. Hence, T-50 Flight Test Database System(FTDS) based on MS-Access is developed to handle the flutter/vibroacoustic environment data obtained from flight tests. The developed system is structured with the items related to aircraft flight test, the tables composed of the relevant items and a relational database logically connecting the tables. The T-50 FTDS is implemented with data searching GUI(Graphic User Interface) programed with Visual Basic and Structured Query Language to make intuitive searches over the stored data. The developed system has been used for accumulating the flutter /vibroacoustic data and verifying vibroacoustic Specifications.