Results 211 to 220 of about 276,008 (266)
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Mixed Crystal Formation in High Polymers
Nature, 1947AN interpolymer of ethylene and vinyl alcohol (prepared by co-polymerization of vinyl acetate and ethylene followed by hydrolysis1) has been found to give a crystalline X-ray diffraction pattern different from those of either polythene or polyvinyl alcohol. The fibre repeat distance is 2.5 A., corresponding to a single hydrocarbon chain zigzag.
C W, BUNN, H S, PEISER
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Crystal Growth Of Mixed Titanium Sillenites
Crystal Research and Technology, 2002AbstractFor Abstract see ChemInform Abstract in Full Text.
A. Majchrowski +5 more
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Mixing in continuous crystallizers
AIChE Journal, 1986AbstractThe review is concerned primarily with some aspects of mixing in continuous crystallizers and recognizes the central importance of the interplay between the mixing and crystallization (or precipitation) processes in the design and performance evaluation of industrial crystallizers.
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Optical dephasing in semiconductor mixed crystals
Physical Review B, 1992The influence of disorder and localization on optical dephasing of excitons in the semiconductor mixed crystals ${\mathrm{CdS}}_{1\mathrm{\ensuremath{-}}\mathit{x}}$${\mathrm{Se}}_{\mathit{x}}$ and ${\mathrm{Al}}_{\mathit{x}}$${\mathrm{Ga}}_{1\mathrm{\ensuremath{-}}\mathit{x}}$As has been investigated by means of time-resolved four-wave mixing and ...
, Siegner +11 more
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Journal of Physics: Condensed Matter, 1991
The simple example of phonons in a linear chain of atoms with substitutional disorder is reconsidered in order to determine the rearrangements of acoustic and localized mode branches with increasing concentration of light impurities. The coherent-potential approximation cannot be applies successfully to this problem.
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The simple example of phonons in a linear chain of atoms with substitutional disorder is reconsidered in order to determine the rearrangements of acoustic and localized mode branches with increasing concentration of light impurities. The coherent-potential approximation cannot be applies successfully to this problem.
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2000
Foreword. Mixing. CFD Modelling of Hydrodynamic Conditions within the Wake of Mixing Impeller Blades; G.D. Rigby, et al. Visualisation and quantification of laminar flow mixing in a stirred tank reactor; M. Liu, et al. Turbulence structure and isotropy in stirred vessels; K.C. Lee, et al.
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Foreword. Mixing. CFD Modelling of Hydrodynamic Conditions within the Wake of Mixing Impeller Blades; G.D. Rigby, et al. Visualisation and quantification of laminar flow mixing in a stirred tank reactor; M. Liu, et al. Turbulence structure and isotropy in stirred vessels; K.C. Lee, et al.
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Solid State Communications, 1974
Abstract Dispersion relations for the optic and acoustic phonons in mixed crystals are derived as a function of concentration. The dispersion curves show localized as well as band modes. It is shown that our theory leads to the MREI model of Chang and Mitra when the wave vector q = 0.
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Abstract Dispersion relations for the optic and acoustic phonons in mixed crystals are derived as a function of concentration. The dispersion curves show localized as well as band modes. It is shown that our theory leads to the MREI model of Chang and Mitra when the wave vector q = 0.
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Crystallization Kinetics of Calcium Lactate in a Mixed-Suspension-Mixed-Product Removal Crystallizer
Industrial & Engineering Chemistry Research, 1999Continuous crystallization of calcium lactate pentahydrate was investigated in a mixed-suspension-mixed-product removal crystallizer. Wide ranges of the mean residence time, relative supersaturation, and magma density were covered (40−215 min, 0.01−1.12, and 2−65 kg/m3, respectively). Crystal growth was found to be dependent on crystal size. The Abegg,
Z. Chemaly, H. Muhr, M. Fick
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Journal of Colloid and Interface Science, 1971
Abstract An equation is obtained which allows to predict the equilibrium spreading pressure of a monolayer spread from a mixed crystal as a function of the composition of the crystal, from parameters which may be evaluated from each component separately.
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Abstract An equation is obtained which allows to predict the equilibrium spreading pressure of a monolayer spread from a mixed crystal as a function of the composition of the crystal, from parameters which may be evaluated from each component separately.
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International Journal of Quantum Chemistry, 2004
AbstractThe character and the magnitude of magnetic interaction in 1‐D stacks of mixed molecular radical crystals (MMRCs) and mixed molecular ion radical crystals (MMIRCs) of alternant aromatic hydrocarbons have already been studied theoretically. In this work nonalternant 1‐D stacks built of π‐electronic subunits are considered. Some of the elementary
I. Minkov, A. Tadjer
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AbstractThe character and the magnitude of magnetic interaction in 1‐D stacks of mixed molecular radical crystals (MMRCs) and mixed molecular ion radical crystals (MMIRCs) of alternant aromatic hydrocarbons have already been studied theoretically. In this work nonalternant 1‐D stacks built of π‐electronic subunits are considered. Some of the elementary
I. Minkov, A. Tadjer
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