Materials Literature
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In this paper, the process flow and the road performance properties of the straw complex fibre SMA pavement are introduced. Based on the project case, the economic benefit of the pavement is analyzed.
Probing into the method of tight-clothing structure design and pattern grading,the article determines the basic pattern design principle and general rules of pattern grading.Considering the shaping function in the aspect of structure design,materials used in the tight-clothing are all the fabric that with high elastic…
Objective:To study the effect of different mineralized water on the corrosion resistance of pure titanium.Methods:Compared with artificial saliva,electrochemical technique was used to measure the electric potential of corrosion(Ecorr),current density of corrosion(Icorr) and polarization resistance(Rp) of pure titanium…
This article briefly describes the development of compact spinning with features of two different compact spinning devices and performances of two kinds of different compact spun yarns compared.It holds that comprehensive performances of the yarn spun by compact spinning of three-roller type is better than that by com…
Toluene-2,4-diisocyanate(TDI) and glycerin(GCR) as the reactants,the active substrates with AB2 structure was synthesized at low temperature,and then hyperbranched polyurethane(HBPU) was synthesized after heat and catalyze those substrates.The HBPU properties are that the molecule weight is 1.1368×104,the degree of br…
The paper presents the shut-off and restart-up technology with large shunt when 306kA aluminium reduction cell is on power,which realizes the stability of potline current.It reaches significant results in the aspects of reducing the factor of anode effect,saving energy and reducing consumption.
Attapulgite/CeO_2 nanocomposite was prepared by homogeneous deposition method using Ce(NO3)3·6H2O as raw material,and HMT as precipitator.The catalytic activity of ATP/CeO_2 was investigated by oxygenating methylene blue dye wastewater with taking H2O2 as oxidant.The effects of ATP/CeO_2 amount and the loading amount…
Some problems involved in electroplating pretreatment of aluminum parts including alkaline rinsing, bright dipping, water rinsing, plating rack and clamping, zinc immersion temperature and process flow were introduced.
RRM(RNA recognition motif) is a conserved domain which exists widely in RNA binding protein.The cDNA,which encodes the protein containing RRM conserved domain,was identified from the cDNA library constructed from Bombyx mori pupae.We nominated it as Bmrrm(Bombyx mori rrm) and the GenBank accession number is DQ534196.F…
Electrochemical corrosion behavior of AA7075 deformed by equal channel angle pressing(ECAP) in 0.1 mol·L-1 NaCl solution was studied by using electromechanical techniques.The experimental results showed that self-corrosion potential and pitting potential of AA7075 deformed by the same ECAP pressing pass moved to negat…
2-ureido-4[1H]-pyrimidone(Upy)telechelic hyperbranched polymers were prepared and their coating performances were investigated.First,a secondary amine terminated hyperbranched poly(ester-amine)(HPEA)was prepared from piperazine and trimethylolpropanetriacrylate at secondary amine/acrylate group ratio of 2.25/1.At seco…
Some key technical problems in the localization process of final polycondensation reactor for Invista PET technology were introduced.The problems included the selection of material,the determination of processing technology,the design and manufacture of special technological equipment,how to guarantee the ellipticity…
The Sm/Cs/Zn(Y) catalysts were loaded on α-Al2O3 ceramic substrates,and their catalytic activity and sulfur-resistant capability were studied.The catalysts were characterized by TG-DSC and XRD,while their catalytic activities were tested by TPR.The results showed that the catalytic activity of the Sm/Cs catalyst perfo…
Using material simulation software——Materials Studio,α-C3N4 and β-C3N4's crystal structure,X-ray diffraction atlas were calculated and simulated.Then it was compared with the results gained through the experiment.Numerical simulation could offer official reference data for the experiment,and it could also examine the…
A new style nickel hydroxide material was prepared by chemical precipitation of cobalt,zinc,calcium,magnesium,copper and nickel elements followed by decoration or doping.The phase structure,surface microstructures and charge-discharge properties were analyzed using X-ray diffraction,scanning electron microscopy and ga…
Nano-sized Y2O3 powders were synthesized by a Reverse micelle and corbon adsorption method.The effect of the amount of added carbon on the nano-powder size was investigated.The optimum content of carbon was found.Then nano-sized Y2O3 powder was produced through calcining precursor at different temperatures.The calcine…
Effect of Al content(27%、33%、38%) on combustion synthesised Ti3AlC2 made from Ti、Al and C as raw materials with a molar ration of Ti/C of 2∶1 was studied The mechanism of influence of Al on Ti3AlC2 was investigated based on themodynamics and Ti-Al-C phase diagram.The experiment results show that the combustion synthes…
The influence of adding contents of nano CaCO3 with surface modify on polymerization process and mechanical property of PVC/CaCO3 nanocomposite were studied. After treatment nano CaCO3, surface of CaCO3 has 10 nm organic coating. The reaction time of polymerization was shortened when adding scope of nano CaCO3 was bet…
Acrylic ester emulsion was polymerized in the Discover Organic Synthesizing System with methyl methacrylate(MMA) and butyl acrylate(BA)as polymerizing monomer,potassium peroxydisulfate(KPS) as evocating agent,and sodium dodecyl sulfate(SDS) as emulsifier.In the process the mass of KPS,SDS,MMA and BA,as well as reactio…
A silicone rubber composite membrane with heavily crosslinked structure was prepared from silicone rubber containing 5% vinyl groups(molar fraction) and trimethylsilyl methylcellulose with silicone oil containing hydrogen as crosslinking agent and chloroplatinic acid as catalyst by solvent casting and vulcanizing at r…