Materials Literature
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Polypropylene(PP) had been compounded with bamboo charcoal(BC) modified by nano-TiO2 for preparing 3 wt% BC/PP masterbatch using a twin-screw extruder,and the BC/PP fibers were prepared using high-speed melt-spinning device.The particle size distribution and structure of BC powders were characterized by Mastersizer 20…
Water-soluble rare-earth upconversion nanophosphors(UCNPs) with oleic acid(OA) and poly vingl pyrrolidone(PVP) as cooperative surface ligands were prepared by hydrothermal synthesis in one step.The samples were well dispersed in water with average size of 16 nm.The as prepared nanoparticles show strong upconversion lu…
The radioiodine released in Windscale and Chernobyl nuclear accidents did large harm to human and environment,so people pay a great attention to the locating method of radioiodine.According to gaseous production and aerosols of radioiodine,the research development of solid sorbent and impregnant in locating radioiodin…
A series of Cu/ZrO2 catalyst samples with excellent catalytic performance for low-temperature water-gas shift(WGS) reaction were prepared by a two-step method.First,pure monoclinic ZrO2 support was prepared by hydrothermal synthesis,and then a certain amount of CuO was deposited on the support by deposition-precipitat…
La0.8-xGd0.2MgxNi3.1Co0.3Al0.1(x=0,0.1,0.15,0.2,0.25,0.3,0.4) alloys were prepared by induction melting followed by annealing treatment at 1173 K for 8 h in Ar atmosphere.Phase structure analyses show that main phase is the Ce2Ni7-type phase and the phase abundance of Ce2Ni7-and Gd2Co7-type is 98.8% at the lower Mg co…
The effects of deformation extent on the microstructure and mechanical properties of AZ80 alloy were studied.The results show that with the increase of deformation extent,the tensile strength increases,the elongation increases firstly and then reduces.After 25%,50% and 80% deformation,the yield strength of the samples…
Electric performance of polluted insulator string deteriorates in high altitude regions.Lots of researches on flashover performance of polluted insulators under high altitude conditions are performed in high altitude sites and in artificial climate chambers home and abroad,however,the research results related to the e…
The dyeing with traditional reactive dyes in aqueous bath has such disadvantages as low fixation rate,large electrolyte consumption,high polluted water emission,etc.These problems can be resolved by dyeing technology using the reactive dye/decamethyl cyclopentasiloxane(D5) suspension system.The technological condition…
Compatibility of TPI and NR blends was calculated by the application of molecular dynamics(MD) and dissipative particle dynamics(DPD) simulation method.The solubility parameters(δ) verse of the different repetitive units of pure substances was calculated by MD simulations with the COMPASS force field and determined a…
Study on the determination and migration of four kinds of plasticizer(DEP,DIBP,DBP,DEHP) from four kinds of simulation relocation of water,acetic acid,ethanol,n-hexane at 30 ℃-80 ℃.The result showed that the largest migration of the four kinds of plasticizer were in the context of n-hexane,and as the temperature incre…
This research used the environmental friendly flame retardants which were made of some industrial waste,i.e.,Gray aluminum and boron mud and had Layered Double Hydroxide(LDH) as its major component,and added these flame retardants into styrene butadiene rubber(SBR) to study its effect on the burning behaviour and mech…
Influence of secondary thermal cycle on microstructure of coarse grain heat-affected zone(CGHAZ) in a X100 pipeline steel was investigated by means of thermal simulation technique and microscopic analysis method.The property of the reheated CGHAZ was characterized by Charpy V-notch impact test.The results indicate tha…
The effect of water content and flow rate of crude oil on the corrosion behavior of X60 pipeline steel was studied by using weight loss method,scanning electron microscopic observation and energy dispersive spectrometric measurement,where mixed crude oil produced in Middle East was used as the corrosive medium,and a h…
A novel TiO2-aluminum silicate fiber nanocomposite was prepared by sol-gel method,and used to remove the elemental mercury from a simulated coal-fired flue gas under UV irradiation at a wavelength of 253.7nm.The effects of SO2,NO and temperature on the photocatalytic removal of mercury were tested.The result shows tha…
Calium oxalate (CaOx) biomineralization with diverse and species-specific morphologies and structures formed in specialized cells (idioblast) is a basic and important process in many plant families. During their formation there exist the synergetic interactions between cell growth/expansion and crystal nucleation/grow…
Rare earths are the most critical resources with great reserve in China.Rare-earth-containing luminescent materials have found wide applications in a few aspects,and have important potential applications in the aspect of exploitation of new energy resources and biomedical science.The Luminescent Mechanism of rare-eart…
Collagen fiber,cross-linked by glutaraldehyde,was used as an adsorbent for the chromatographic separation and purification of apigenin from the mixture of flavonoids of apigenin,quercetin and myricetin.It was found that the collagen fiber adsorbent shows difference on adsorption ability to apigenin,quercetin and myric…
The microstructure evolution and mechanical properties of Mg-10.73Li-4.49Al-0.52Y two-phase magnesium alloy processed by equal channel angular pressing(ECAP) from 1 pass to 6 passes at 573 K using route Bc were analyzed by OM,SEM and XRD,and the mechanical properties were tested at room temperature with strain rate of…
Reclaimed asphalt pavement (RAP) is used as a raw material in recycled hot mix asphalts. The old binder in the RAP (RAP-binder) is typically hard and brittle due to the aging of the bitumen. Conventionally softer bitumen grades have been used to compensate the hardness of the RAP-binder. When the amount of RAP in the…
Chitosan quaternary ammonium salt(HTCC) is a strong cationic water-soluble polymer.Bom byx Mori silk fabric was treated by HTCC and the salt-free reactive dyeing process and property of modified silk fabric were investigated.The results showed that the optimum salt-free reactive dyeing process of silk fabric treated b…