Materials Literature
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This paper introduces technological difficulties and process requirements in producing cotton/Viscose/polyester compact Siro yarn.Cotton,polyester and Viscose of different characters are blended to improve product performances and reduce production cost.Taking 18.3tex 70/20/10 cotton/Viscose/polyester blended yarn as…
In this paper organic dye eosin Y was used as removal aim to investigate adsorption property of MCNTs and MWNTs treated with KOH as adsorbent by UV-Vis spectroscopy.The structure of actived carbon nanotubes was analyzed by SEM,X-ray diffraction and BET.The results showed that under the same tested condition MWNTs trea…
Application of a new activated carbon desulphurization technology in treatment of tail gas from sulphuric acid plant based on off-gas is described,with emphasis on reaction principle,process arrangement,technical features,main equipment and actual operation.The production practices showed that treated tail gas could m…
Diatomite-supported Co-Cu-Zn-La and Pd-Cu-Zn-La composite metal catalysts were prepared by the modified coprecipitation method of adding cationic surfactant CTAB.The prepared catalysts were characterized by SEM,TEM,XRD,FT-IR,TPR and other techniques in terms of their surface morphology,composition and reduction proper…
The inverse numerical design of the die for extrusion of a T-shaped strip was finished by means of Polyflow software.The configuration and dimension of the die were worked out and the melt velocity distribution during extrusion as well as the die swell were traced out.It was showed that the inverse numerical design wa…
The effects of Si content on the microstructures and corrosion properties of AM60 magnesium alloy were investigated.The results indicate that the Chinese character type Mg2Si phases are formed with addition of Si into AM60 magnesium alloy.The morphology of the Chinese character type Mg2Si phases are unchanged after T4…
In view of three known methods for bore fatigue life at home and abroad,the FEM numerical simulation was applied to the research of bore fatigue life.The FE model of bore,band and projectile were established based on the elastic-plastic finite element theory.Johnson-Cook constitutive model was introduced in the band m…
In this experiment,porous silicon cabide/mullite composite ceramics were prepared by adding pore-forming material method from SiC powder, calcined kaolin and aluminum hydroxide powder. The influence of pore-forming material, sintering additives, and sintering temperatures on the properties of porous silicon cabide/mul…
In order to develop the high-performance microwave attenuating ceramics used for Ka-band(26.5-40 GHz) microwave tube,on the basis of Al2O3-TiO2 microwave attenuating ceramics,the affection of adding of tungsten powder,the changing of sintering method on the electromagnetic parameters and thermal conductivity of materi…
ZnO/TiO2 nanocomposite powders were synthesized by hydrothermal method with titanium tetrachloride and zinc chloride as raw materials. With the antibacterial circle size as the evaluation pointer, the antibacterial properties of ZnO/TiO2 nanocomposite powders on Escherichia coli and Staphylococcus aureus were studied…
T700/9916 composite laminate specimens are tested according to ASTM D 5528 standards,and the fiber bridging effect on Model I interlaminar fracture toughness is investigated in double cantilever beam(DCB) tests.From experimental observation,a model with single(s zone) and double fiber bridging zone(d zone) is proposed…
The influence of modification of TiN nano particles on the microstructure and properties of A356 aluminum alloy was investigated.The results show that the shape and distribution of silicon phases are modified and refined by TiN nano particles plated with Ni.The tensile strength and elongation of modified alloys are in…
Based on the corrosion issue of cooling water system in Tianwan nuclear power plant,the corrosion electrochemistry of inhibition on copper and stainless steel was studied using electrochemical method.Results show that inhibitor have excellent corrosion inhibition efficiency on copper in low chloride concentration solu…
By applying the atom-bond electronegativity equalizationσπmodel(ABEEMσπmodel),a large number of quantum chemistry calculations were performed to determine the ABEEMσπparameters of aluminum metalloenzymes.Then these parameters were employed to study the charge distributions and Fukui function of aluminum metalloenzymes…
The effect of heat treatment on structure and property of magnesium alloy vacuum assisted die casting is studied.The results show that the mechanical properties of the magnesium alloy of vacuum assisted die casting may be improved by heat treatment process.The comprehensive mechanical properties of the vacuum assisted…
Brief introduction is done to the factors impacting the loom efficiency including the quality of winding,warping,sizing and the weft yarn formation.It is pointed out that the process configuration is also important.Some advice against the defects including broken edge,worn-out edge,weft skip are put forth with the des…
The photocatalyst of Ag / AgBr was prepared from AgNO 3 and KBr by way of mixed solvothermal method; the obtained products were characterized by X-ray diffraction( XRD),transmission electron microscopy( TEM),scanning electron microscopy( SEM),electron diffraction spectroscopy( EDS) and UV-visible( UVVis) spectroscopy.…
With Zn(Ac)2·2H2O、NaI and N2H4·H2O as raw material,ZnO nanorods were prepared by a simple hydrothermal method without using any surfactants. The products were characterized by XRD,SEM and TEM. Photodegradation of the methyl orange(MO),in aqueous solution was investigated by using ZnO nanorods as photocatalyst. The rat…
In order to analysis the partial discharge(PD) progress in void of Solid insulation theoretically,and research its harm,The model based on semi-conductive process of resistance in PD is corrected,the new physical model of PD based on the plasma theory is constructed.The PD process of single void in epoxy resin was sim…
In order to achieve both high energy output and low vulnerability of explosive,a new composite explosive DN-1,which takes 2,4-dinitroanisole(DNAN) as the carrier,was developed.The energy output characteristic of this explosive was systematically investigated by blast pressure test system.Shock sensitivity of DN-1 was…