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WEAK SOLUTIONS OF THE ASYMMETRIC ELASTICITY
Craciun 장전수학회 2009 Advanced Studies in Contemporary Mathematics Vol.19 No.2
In this paper, the boundary value problems of plane asymmetric elasticity of an isotropic, homogeneous, and centro–symmetric cylindrical body are de…ned and one of them (the Dirichlet problem) is studied in Sobolev spaces.
Contrast enhancement for ultrasound-guided interventions: when to use it and what to expect?
Zeno Sparchez,Tudor Mocan,Rares Craciun,Mihaela Sparchez,Christian Nolsoe 대한초음파의학회 2022 ULTRASONOGRAPHY Vol.41 No.2
The use of contrast-enhanced ultrasonography (CEUS) has recently become synonymous with high-standard ultrasonography (US). From expanding the reach of US diagnostics to improving the precision of various invasive procedures, CEUS is rapidly becoming a standard in numerous niches. However, proficiency in CEUS comes with a cost, both from a learning curve and material standpoint, and as every growing field, lacks firm evidence and standardization. Therefore, in the current paper, we aim to provide an evidence-based review of available methods and to discuss the advantages and pitfalls of CEUS in interventional procedures, trying to provide strong evidence whenever available, or at least an educated expert opinion if data are lacking.
Band Offsets in YSZ/InGaZnO<sub>4</sub> Heterostructure System
Kim, J.K.,Kim, K.-W.,Douglas, E.A.,Gila, B.P.,Craciun, V.,Lambers, E.S.,Norton, D.P.,Ren, F.,Pearton, S.J.,Cho, H. American Scientific Publishers 2014 Journal of Nanoscience and Nanotechnology Vol.14 No.5
The energy discontinuity in the valence band (Delta E-V) of Y2O3-stabilized ZrO2 (YSZ)/InGaZnO4 (IGZO) heterostructures was obtained from X-ray photoelectron spectroscopy (XPS) measurements. The YSZ exhibited a bandgap of 4.4 eV from absorption measurements. A value of Delta E-V = 0.57 +/- 0.12 eV was obtained by using Ga 2p(3/2), Zn 2p(3/2) and In 3d(5/2) energy levels as references. This implies a conduction band offset (Delta E-C) of 0.63 eV in YSZ/InGaZnO4 heterostructures and a nested interface band alignment.