Materials Literature
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A new cotton linter pulping process,the cotton linter is beaten before cooking is introduced and patented in China(Patent No.: 201220611105.7),by using this new process more than 80% impurities in the linter can be removed,the waxy material in the pulp can be removed,and the brightness of the pulp can be increased whe…
Spinel-type NiCo2O4 powders were prepared by a sol-gel method, and Ni/NiCo2O4 electrode was prepared through composite sol method combined with sintering. The composition and structure of Ni/ NiCo2O4 were characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD), and energy-dispersive X-ray spectros…
Nanometer ZnO particles were synthesized by the homogeneous precipitation method from urea and zinc nitrate,with octyl phenol together ethylene(10) ether oxygen(OP-10) as the surfactant.Single factor experiments and orthogonal experiment were used to analyse the effects of operation parameters on the size of nanometer…
The PTT filaments were interwoven with PTT filaments,PET filaments,cotton yarns to develop PTT anti-crease plain weave fabrics.The wear comfortability,fabric handle and crease recovery property of the fabrics were tested,analysed and evaluated.It had found that the PTT anti-crease fabrics had good elastic performance…
A review was given about the application of anticorrosion coatings for corrosion prevention of the internal and external walls of pipelines for oil and gas transmission.The recent development of anticorrosion coating materials for oil and gas transmission pipelines was highlighted.The issues which were worthy of furth…
This paper prepares flame retardant silk fabrics using organic phosphorus compound dimethyl-2-methylacryloyl oxy-ethyl phosphate(DMMEP) and vinyltriethoxysilane(VETS) and discusses the performance change of silk fabrics after finishing,including whiteness,mightiness,combustion performance before and after washing,heat…
Typical anti-corrosion defects from the phase of design, manufacture, erection, testing have been discovered in an-corrosion management for NPS. Corrosion mechanism for head tank, lube oil tank,threaded bolt, lining, stainless steel and so on is analyzed. The improvement measures are suggested.The quality control fact…
Three limestone samples were quantitatively analyzed with Rietveld method using software of Jade7.0 and FullProf.The results of Rietveld and chemical analysis were compared to the reference which was based on the results of limestone obtained with comprehensive thermal analysis thermo-gravimetry-differential thermal a…
Rheological properties of polylactic acid( PLA) /sisal fiber composite with different lubricants were evaluated by the torque rheometer. The types of these two different lubricants were analyzed. The effect of different lubricants on the rheological properties was discussed. The results showed that the internal lubric…
The effect of electric field on the microstructure and aging kinetics of 2E12 aluminum alloy was investigated by differential scanning calorimetry(DSC),transmission electron microscopy(TEM) and resistivity measurement.The results show that the continued aging of 190 ℃,5 h aged pre-deformed 2E12 aluminum alloy is promo…
In this paper,morphological structure,hygroscopicity,electrical performance,friction performance and mechanical property of the flame retardant viscose fiber,the pearl viscose fiber and ordinary viscose fiber are compared.It shows that morphology of transverse and longitudinal of the functional fibers are similar to o…
Theoretically expression of Cu,Ni,W and Cu-W-Ni alloys electrodeposition possibility were thermodynamically analyzed by means of the potential-pH plots of Cu-H2O,Ni-H2O and W-H2O at 25 ℃ normal temperature.It is found that Cu-Ni alloys can be deposited together in the thermodynamical stable region of the Cu-H2O,Ni-H2O…
Poly-lactide-co-glycolide(PLGA),a synthesized polymer with controllable biodegradation rate,good biocompatibility and desirable mechanical strength,has been widely applied in 3D gene delivery system.The recent progress in the research of the commonly used preparation methods for porous PLGA scaffolds,their influence o…
Combined with engineering practice,this paper analyzed the process of the bore hole enlarging technology with high-pressure water jet,by using numerical simulation method coupled finite element method with smooth particle hydrodynamic which is one method of Meshless Method.The simulation determined the broken rock zon…
Fine grained 01420 Al-Li alloy sheets were produced by thermo-mechanical process( TMP). The effects of aluminum coating,preheating temperatures,intermediate annealing temperatures and cross-rolling on rolling cracks and grain refinement were investigated. The results show that aluminum coating can restrain rolling cra…
A kind of two-package automotive refinishing paint of superior performance was prepared from acrylic-polyurethanes modified by polyester resin.The effect of acrylic resin,polyester resin and its amount,curing agent,the molar ratio of —NCO/—OH,leveling agent,and anti-settling agent on the film properties was studied.Th…
Carbon coated lithium iron phosphate(LiFePO4/C) cathode materials were prepared with bamboo fiber as carbon source.Additive effects of bamboo fiber on the structure and electrochemical performance of material were studied.XRD analysis showed that the prepared material had an ordered olivine type structure.Charge-disch…
Glass transition refers to the amorphous polymer from the glassy state to the rubbery state(high elastic state) because of the heat or from the state transition to the glassy state by cooling.The glass transition has been recognized as one of the most important factors affecting food properties,processing characterist…
TiO_2/g-C_3N_4 composite photocatalyst with visible-light response was synthesized by the solvothermal method,and then the as-synthesized photocatalyst was protonated.The samples were characterized by X-ray diffraction(XRD),nitrogen absorption-desorption,scanning electron microscope(SEM),transmission electron microsop…
The polyvinyl acetate emulsion(PVAcEm) adhesive modified with oxidized starch for porous wood was synthesized.The viscosity,particle size and bonding strength of the PVAcEm adhesive were tested and the relative standard deviation(RSD)of bonding strength of the PVAcEm adhesive were calculated,the effects of viscosity,p…