Báo cáo hóa học: " Inﬂuence of Surface Modiﬁed MWCNTs on the

Báo cáo hóa học: " Inﬂuence of Surface Modiﬁed MWCNTs on the Mechanical, Electrical and Thermal Properties of Polyimide Nanocomposites" ppt

... of MWCNT in case of former and with 5 wt% in case of the latter. Electrical Properties One unique property of the MWCNTs is their electrical conductivity because of their large aspect ratio and mobile ... to longer chains of amine groups present on the surface of the tubes. The longer alkyl chains provide more repulsion between the individual MWCNT, h...

Ngày tải lên : 22/06/2014, 01:20

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Báo cáo hóa học: " Research Article Robust Adaptive Modiﬁed Newton Algorithm for Generalized Eigendecomposition and Its Application" pdf

... results show that the approximation has little inﬂuence on conver- gence speed and estimation accuracy. Therefore, the approximation is a reasonable step in developing the adaptive mod- iﬁed Newton algorithm. We ... eigendecomposition problem is reinterpreted as an unconstrained nonlinear opti- mization problem. Starting from the proposed cost function and making use of an...

Ngày tải lên : 22/06/2014, 20:20

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Báo cáo hóa học: " Inﬂuence of GaAs Substrate Orientation on InAs Quantum Dots: Surface Morphology, Critical Thickness, and Optical Properties" docx

... applications [13–16]. To date, there are many experimental and theoretical studies on the inﬂuence of GaAs substrate orientation on the QDs. However, the formation and evolution of QDs on misoriented substrates ... strain relaxation inside the QD, E surface is the surface energy associated with increased surface area of the QD, and E edge is the energy...

Ngày tải lên : 22/06/2014, 19:20

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Báo cáo hóa học: "Inﬂuence of Cobalt Doping on the Physical Properties of Zn0.9Cd0.1S Nanoparticles" docx

... interactions between the band electrons and the localized d electrons of the Co 2? ions substituting host ions and is consistent with the reported results [41], giving an additional evidence of cobalt substitution. Figure ... cobalt concentration samples ([0.05 M) have more distortion of the tetrahedral coordi- nation of Co 2? and indirect band gap absorption. Conclu...

Ngày tải lên : 22/06/2014, 00:20

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Báo cáo hóa học: " Inﬂuence of Uniaxial Tensile Stress on the Mechanical and Piezoelectric Properties of Short-period Ferroelectric Superlattice " potx

... calcu- lated spontaneous polarization of 0.29 C/m 2 is less than the theoretical value of 0.81 C/m 2 of ground state PTO, but slightly larger than the value of 0.28 C/m 2 of tetragonal BTO (the other theoretical ... by the conclusion of uniaxial tensile stress dependency of elastic constant c 33 (see Fig. 2b). Note that the polarization under uniaxial stress remains alo...

Ngày tải lên : 22/06/2014, 00:20

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Báo cáo hóa học: "Inﬂuence of Rare Earth Doping on the Structural and Catalytic Properties of Nanostructured Tin Oxide" docx

... for the methanol decompo- sition and aldolization reaction between acetone and methanol [2–4]. However, the inﬂuence of the nature of the active sites (the surface basicity of the oxide) on the ... result of the modiﬁcation of the nanostructure and the basic sites of the particles. Another phenomenon starts to occur on the surface of doped...

Ngày tải lên : 22/06/2014, 01:20

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Báo cáo hóa học: " Inﬂuence of Nanogels on Mechanical, Dynamic Mechanical, and Thermal Properties of Elastomers" pdf

... effect of individual particles and the second power term is the contribution of particle–particle interaction. Another deﬁnitive equation for determining the modulus of a composite that contains spherical ... v 1 is the polymer–solvent interaction parameter, V, the molar volume of the solvent, and t r , the volume fraction of the rubber in the swollen gel. t r...

Ngày tải lên : 22/06/2014, 01:20

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Báo cáo hóa học: " Effects of silver impurity on the structural, electrical, and optical properties of ZnO nanowires" doc

... well as for their applications in nano-devices [18]. The success of nano- devices similarly trusts on the ability of controlling the transport and electrical properties of the semiconduc- tors, ... func- tions, and diverse applications [14-17]. 1D materials have received great attention because of their much potential for fundamental studies of the roles of dim...

Ngày tải lên : 20/06/2014, 22:20

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Báo cáo hóa học: " Research Article Edge Adaptive Color Demosaicking Based on the Spatial Correlation of the Bayer Color Difference" pptx

... direction on the Bayer pattern. In the conventional SSC-based methods, the smoothness of the Bayer color difference along an edge is examined, and the derivative of the differences along the hor- izontal ... focus on the local similarity of the Bayer color difference plane not only along the directional axis but also beside the axis within the local region. Si...

Ngày tải lên : 21/06/2014, 08:20

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Báo cáo hóa học: " Research Article Online Speech/Music Segmentation Based on the Variance Mean of Filter Bank Energy" pdf

... V l is the variance of the lth corresponding filter channel, l is the filter number index, L is the number of filters, and E l is the energy vector of the lth filter channel. Visual representation of the ... the potential beginning of the music segment and, at the same time, the measurement of segment duration begins. The algorithm then waits for the trans...

Ngày tải lên : 21/06/2014, 19:20

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