Materials Literature
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In order to analyze the pyrophoric tendency of rust corrosion product eroded by hydrogen sulfide under aerobic condition,the reaction between rust(Fe2O3:75%,Fe(OH)3:7%,Fe3O4:18%) and H2S in sulfur containing oil tanks under aerobic condition was studied experimentally.H2S and O2 were mixed in different proportions to…
This paper modifies PET chip by using IPA and studying the influence of addition of IPA on properties of polyester fiber by processing double screw melt spinning into polyester fiber.The result shows that,with the increase of IPA content,the breaking strength of modified polyester fiber decreases,its elongation at bre…
The micro topography of phase interface of KDP(100) face under different supersaturation were investigated by using in situ and ex situ AFM technique.The recovery of crystal growth from the dead zone was observed.The in situ AFM images of the generating process of the macrostep were obtained for the first time.The for…
Magnesium alloy material has been widely applied in the field of aviation,aerospace,advanced equipment manufacturing and automobile.However,its application is bewildered by the problem of poor high temperature resistance.This paper reviews the research advances on two heat-resistant magnesium alloys,aluminum-containin…
Researched on the ammonia adsorption of the composite adsorbent in the condition of simulating industrial ammonia exhaust gas components.Result showed that the adsorption capacities of pure ammonia reached 0.25 g / g.The nitrogen hardly affected the ammonia adsorption capacities of composite adsorbent.The water vapor…
Using isopropyl amine as main raw material,isopropyl amine-N,N-dimethyl double phosphate is synthesized firstly,which then serves as space steric hindrance agent in the synthesis of nanohybrid material through the method of coprecipitation,whose kernel is amorphous nano calcium phosphate(ACP) and isopropyl amine group…
Injectable hydrogels are widely employed as biomaterials for biomedical applications.In this study,disulfide-containing dextran-phloretic acid conjugates(Dex-SS-PA) are synthesized.In the presence of horseradish peroxidase,Dex-SS-PA solutions gelate to form bioreducible dextran-based hydrogels via the enzymatic crossl…
The polymer nanoparticles and microspheres are usually prepared by the entrapment and attachment of the anticancer drugs using biodegradable polymer materials as the carriers.These drug delivery systems can not only increase anticancer efficacy,but also reduce the toxicity of drugs to normal tissues.In this work,the t…
The present paper aims to make clear the preparations of the lanthanum-doped iron-based composite desulfurizer and its desulfurizing performance at mid-temperature by taking the waste fly-ash from a power plant as a carrier. In our paper, we have managed to work out the efficient iron-based composite desulfurization a…
Fe3O4/(PNIPAAm-co-Am) magnetic thermosensitive composite microspheres were prepared by emulsifier free polymerization.Measurement of DLS was carried to investigate the thermosensitive properties.The drug release behaviors were investigated at different temperature or under alternating magnetic field.Results show the L…
According to the physical-chemical properties of cotton-like polyester filament,cotton-like fabric was developed by IAY(POY+FDY)/72F PET/PET complex filament through fabric structure design.The dyeing and finishing technologies of cotton-like fabric were optimized.The test results showed that the breaking strength,tea…
Free phenol in PF bonded panel was collected by steam distillation and cooking,and the feasibility of the two sampling methods was investigated by the authors.The results showed that the distillation efficiency was low,only a little free phenol was collected within 10 hours by steam distillation method(under 75,85 ℃),…
The cost and energy-saving,carbon emission reduction in aluminum industry have been introduced in this article.The shortages of equipment structure and combination to be used for traditional aluminum alloy smelting and casting have been discussed,and the disadvantages of smelting process have been analyzed as well.The…
Bis(4-dibutylamino-2-hydroxyphenyl) squaraine(SQ) was a kind of squaraine dye,with a conjugated structure,which had an absorption peak at visible region and can be excited by visible light.The centre of squaric acid enabled the SQ to react with propanethiol.The good optical property of SQ was used to design SQ/TiO2 fi…
Hydrogenated nitrile rubber(HNBR) is one of the rubbers having outstanding overall performance and has following character such as high strength,high tear resistance and high abrasion resistance.This paper analyzed the effects of heat ageing on the hardness,tensile strength and glass transition temperature of HNBRs,wh…
WE43 rare earth magnesium alloys have been prepared under cover protection,moreover,the evolution of microstructure as well as the variation of mechanical properties of alloys as-cast T4,T6 condition has been studied by means of SEM,EPMA and XRD.The results showed that the phase of the as-cast alloy was composed of Mg…
Study of the composite preserving techniques of sauce and pot-roast gooses were carried out by the coating storage technology with chitosan,natural biologic preservatives,vacuum packaging technology and pasteurized repasteurization.The result showed that the shelf-life of sauce and pot-roast goose could extended to 4…
The effects of the cold rolling reduction and annealing temperature on the texture and properties of Ni47Ti44Nb9 first and secondary cold-rolled plate were investigated by using XRD method.The results show that the major texture of the first cold-rolled plate is {111}-110- that is different from the hot-rolled texture…
Gating systems are designed for die casting of magnesium engine cylinder body by its structure characteristics. The filling and solidifying processes are simulated with finite element software. According to simulation results filling time, solidification time and the distribution and size of shrinkage porosity that ma…
A microporous permeable titanium-based β-PbO2 electrode was prepared using powder-sintered porous titanium plate as substrate through the following steps:(1) pickling with hydrochloric acid;(2) preparing an antimony-doped tin dioxide(ATO) intermediate layer by thermal decomposition;and(3) electrodepositing β-PbO2 coat…