An algorithm is present in this paper for determination of the two-layer atmospheric mean extinction coefficients from sun-photometers *** atmospheric layer is assumed as uniform parallel spherical surfaces in this st...
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An algorithm is present in this paper for determination of the two-layer atmospheric mean extinction coefficients from sun-photometers *** atmospheric layer is assumed as uniform parallel spherical surfaces in this study,which is more reasonable for the true atmospheric *** algorithm is applied to the data measured by means of the CIMEL CE-318 instrument and the reasonable results are obtained.
Mechano-chemical treatment of a konjac glucomannan(KGM) powder with alkali in a dry vibrating mill resulted in the removal of acetyl group from the KGM.
Mechano-chemical treatment of a konjac glucomannan(KGM) powder with alkali in a dry vibrating mill resulted in the removal of acetyl group from the KGM.
Sandwich-type MWCNT/ZnS/SiO heterostructures have been synthesized by a solution chemical route followed by a facile modified St(o|¨)ber *** thickness of the silica shell can be tuned easily in the range of 5-5...
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Sandwich-type MWCNT/ZnS/SiO heterostructures have been synthesized by a solution chemical route followed by a facile modified St(o|¨)ber *** thickness of the silica shell can be tuned easily in the range of 5-50nm by controlling the experimental *** experimental results show that charge transfer would proceed from ZnS nanocrystals to the nanotube in the ZnS-carbon nanotube *** special heterostructures still show better stability even after heat-treatment at 400℃,which makes them appealing for practical applications in biochemistry and biodiagnostics.
In this paper,Pressure drop of cyclone under severe operating conditions has been numerically simulated on the platform of commercial computational fluid dynamics(CFD) software package,FLUENT *** of the cyclone pressu...
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In this paper,Pressure drop of cyclone under severe operating conditions has been numerically simulated on the platform of commercial computational fluid dynamics(CFD) software package,FLUENT *** of the cyclone pressure drop with operational temperature,pressure and dust loadings are numerially examined with a wide variety of magnitudes,and a pressure drop coefficient correlation,which includes cyclone's structural and operational parameters,is *** comparison between the experimental data and calculations shows that present correlation formula is more suitable for calculating the pressure drop of cyclones operated at high temperature,high pressure and high dust loadings conditions.
The expressions of the Mie coefficients for computing light scattering by magnetic core-shell spheres are *** algorithm is given by introducing the logarithmic derivatives and ratios of the Riccati-Bessel functions,wh...
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The expressions of the Mie coefficients for computing light scattering by magnetic core-shell spheres are *** algorithm is given by introducing the logarithmic derivatives and ratios of the Riccati-Bessel functions,which can be stably calculated with the relevant *** algorithm is used for the case studies,one of which is the light scattering by core-shell or homogenous spheres with the same value of the ratio of the relative dielectric constant to the relative magnetic permeability and another discussed the possibility to monitor the coating of particles based on the extinction measurement.
ZrO nanopowders based stearic acid phase change materials(PCM) were prepared by high-energy *** concept of Heat Capacity Factor(HCF) was applied to analyze the thermal properties of the *** heat storage property o...
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ZrO nanopowders based stearic acid phase change materials(PCM) were prepared by high-energy *** concept of Heat Capacity Factor(HCF) was applied to analyze the thermal properties of the *** heat storage property of PCM,with the same mass ration of stearic acid to the starting materials 23%,synthesized by different technical processes were investigated by using *** was found that the influence of different dispersants on the heat capacity is greatly *** sample prepared with chloroform provided the best ability of heat storage in all samples.
The effect of the inhomogeneity of particles on the band-gap of silica colloidal crystals fabricated by vertical deposition method was *** optical properties of silica colloidal crystals were *** scanning electron mic...
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The effect of the inhomogeneity of particles on the band-gap of silica colloidal crystals fabricated by vertical deposition method was *** optical properties of silica colloidal crystals were *** scanning electron microscope images and the transmission spectrum of these crystals showed that the inhomogeneity of particles not only affected the ordering but also the midgap position of silica colloidal crystals.
In this paper,according to the results of an operation test carried out in a 50MW circulating fluidized bed(CFB) boiler,the measured combustion properties of anthracite with chip-shaped morphology particles are *** ot...
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In this paper,according to the results of an operation test carried out in a 50MW circulating fluidized bed(CFB) boiler,the measured combustion properties of anthracite with chip-shaped morphology particles are *** other coals combustion in CFB boiler,this kind of coal,Krumbein sphericity of bed material equal to 0.35-0.55,in combustion process could cause fluctuations in the furnace temperature,superficial gas velocity and furnace *** granularities of bed material and cold ash draining are also varied with the bed *** effects caused by the chip-shaped morphology particle are *** promising results obtained here would be expected to provide the basis for the design of the large-scale CFB boiler.
A hybrid systems of mesoporous silica(MS) particle incorporated with dendrimer-encapsulated platinum nanoparticles (Pt-DENs) were constructed in a neutral aqueous solution through electrostatic *** MS-Pt-DENs composit...
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A hybrid systems of mesoporous silica(MS) particle incorporated with dendrimer-encapsulated platinum nanoparticles (Pt-DENs) were constructed in a neutral aqueous solution through electrostatic *** MS-Pt-DENs composite particles immobilized glucose oxidase(GOx) were used to modify a glassy carbon electrode(GCE) for detecting the electrocatalytic response to the reduction of *** structure of composite particles and the performance of biosensors were characterized by cyclic voltammetry(CV) and amerometric measurements,*** sensors,which had a fast response of glucose oxidase less than 10s,could be used for the determination of glucose oxidase ranging from 0.02 to *** detection limits were 4μM at 3σ.
A BSTO dielectric ceramic was prepared with the starting materials of SrTiO and BaTiO powders which were synthesized by hydrothermal *** morphology of the ceramic was observed with ***,Dielectric properties including ...
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A BSTO dielectric ceramic was prepared with the starting materials of SrTiO and BaTiO powders which were synthesized by hydrothermal *** morphology of the ceramic was observed with ***,Dielectric properties including the temperature and frequency dependence of dielectric constant,the dielectric loss,were *** results show that the samples can be sintered at 1120℃;the grain size is smaller than 3μm;the dielectric loss is 3.5×10 at 1kHz and is 2.0×10 at 1MHz;the Curie temperature is -2℃;the tunability is 15%under applying 1kV/mm dc bias field.
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