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Archive for July, 2011
Modeling of Cracks with Nonlinear Effects at the Tip Zones and the Generalized Energy Criterion July 26th, 2011
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Local Defects are Always Neutral in the Thomas–Fermi–von Weiszäcker Theory of Crystals July 26th, 2011
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Energy Dissipation and Regularity for a Coupled Navier–Stokes and Q-Tensor System July 26th, 2011
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Entire Solutions to Equivariant Elliptic Systems with Variational Structure July 26th, 2011
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Dynamics of ions produced by laser ablation of ceramic Al2O3 and Al at 193 nm July 26th, 2011
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Erratum to: Reports of the IAU Working Group on Cartographic Coordinates and Rotational Elements: 2006 & 2009 July 26th, 2011
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Symplectic adaptive algorithm for solving nonlinear two-point boundary value problems in Astrodynamics July 26th, 2011
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Noninvasive methods of measuring oxygen saturation in venous blood July 26th, 2011
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The feasibility of measuring oxygen saturation in venous blood both by artificial modulation of the volume of tissue filled
with blood and by determining the respiratory rhythm from a Fourier spectrum is demonstrated. Both methods have advantages
and limitations. The results obtained by the two methods correlate well with one another and with published data.
Content Type Journal ArticlePages 1-8DOI 10.1007/s10812-011-9473-2Authors
S. S. Yesman, Institute of Applied Problems in Physics and Biophysics, National Academy of Sciences of Ukraine, Kiev, UkraineS. A. Mamilov, Institute of Applied Problems in Physics and Biophysics, National Academy of Sciences of Ukraine, Kiev, UkraineM. M. Asimov, B. I. Stepanov Institute of Physics, National Academy of Sciences of Belarus, 68 Nezavisimosti Ave., Minsk, 220072 BelarusA. I. Gisbreht, Institute of Electronics, Bulgarian Academy of Sciences, Sofia, Bulgaria
Journal Journal of Applied SpectroscopyOnline ISSN 1573-8647Print ISSN 0021-9037
Solid-state reaction between p-benzoquinone and 4,4′-biphenol: a THz time-domain spectroscopic study July 26th, 2011
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Terahertz time-domain spectroscopy (THz-TDS) was employed to record the progress of the reaction between p-benzoquinone (BQ)
and 4,4′-biphenol (4BP) in the solid state. Through the THz-TDS, distinct absorption peaks of reactants and products were
obtained. Sample preparations in the solid state, with and without grinding, influenced the conversion kinetics. Several kinetic
equations or models were tried to fit the reaction data. A kinetic rate constant was obtained, with the reaction observed
to be consistent with diffusion-controlled mechanisms. Differential scanning calorimetry and X-ray powder diffraction analyses
were also used to characterize the solid-state reaction and products. The study shows that THz spectroscopy is a promising
tool in evaluating the complex formation through solid-state reactions.
Content Type Journal ArticlePages 1-8DOI 10.1007/s10812-011-9465-2Authors
Guifeng Liu, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, 201800 Shanghai, People’s Republic of ChinaHongwei Zhao, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, 201800 Shanghai, People’s Republic of ChinaXiaohong Liu, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, 201800 Shanghai, People’s Republic of ChinaWenfeng Wang, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, 201800 Shanghai, People’s Republic of China
Journal Journal of Applied SpectroscopyOnline ISSN 1573-8647Print ISSN 0021-9037
