Materials Literature
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The alkaline hydrolysis of 4-nitrophenyl benzoate was studied in the presence and absence of CTAB,SDS and Brij35 surfactants in this paper. The experimental results indicated that CTAB and Brij35 micelles and premicelles strongly catalyzed the alkaline hydrolysis of 4-nitrophenyl benzoate, while SDS micelles and premi…
The development situation and main technique routing of antistatic textile product were illustrated.Based on some common testing technique and method of antistatic textile,our national testing technique and method of antistatic textile were analyzed and discussed.And some technique problem in detail were mentioned and…
The technology of electroless plating Ni-P alloy on AZ31B Mg alloy surface was studied.By SEM,EDS and measuring deposition speed.The results show that the best reduction agent of electroless plating Ni-P alloy is sodium hypophosphite,and the best content of reduction agent is 20 g/L.The plating has good corrosion-resi…
Within the framework of density functional theory(DFT),a free energy function was formulated in terms of modified fundamental measure theory(MFMT) for hard sphere repulsion and statistical mechanic theory with the weighted density approximation(WDA) for polymerization.A chemical potential for ABg hyperbranched polymer…
The samples can be extracted from the diesel engine loaded DPF,respectively before and after the DPF,and the not installed DPF using ELPI(electronic low pressure impactor).The situation of particulate matter emissions,as well as the particle size distributionthe of the number concentration and the mass concentration o…
Researches on β-FeSi2 thin film have been reviewed in details from its crystal structure,photovoltaic properties to the applications in the solar cell field.The paper reveals the field that should be strengthened in the future study.
AZ80 magnesium alloy was deformed in plane compression at 400 ℃,the influences of deforming times on microstructure and property of the alloy were studied.The results show that dynamic recrystallization occurs during deformation.The microstructure of the alloy effectively refines after deformation.Under the same heat…
Zirconium carbide with many excellent properties can be used in complicated and aggressive environments associated with hypersonic flight,atmospheric reentry,and rocket propulsion.The preparation of zirconium carbide coatings by chemical vapor deposition(CVD)is reviewed.The research achievements and open problems are…
Recently, the compute unified device architecture (CUDA) and the rapidly promoting ability of data-parallel processing and data transferring of graphic processing units (GPU) make an attractive area for general purpose computation based on CUDA. As the extraction of thermodynamic quantities in large scale molecular dy…
By using the variation of properties and microscopic structure under different conditions after normalization of steel,and combining with its CCT curves,the influence of critical cooling speed upon properties and microscopic structure of said steel has been analysed.Analysis shows that the WB36 steel after normalizati…
The metastable pitting characteristics of Ni/Ti alloy in phosphate buffer solution(PBS) was studied by electrochemical methods.Polarization experiments showed that the Ni/Ti alloy had good capabilities of corrosion resistance and passivation in PBS.During polarization,the number of metastable pits and the peak current…
Only considered the third nearest-neighbors spin interaction,we exactly solved strict analytical solution of three-dimensional face-centered cubic ferromagnetic crystal magnon's spectrum(spin wave spectrum) by using spin dynamics.The magnon's energy in the face-centered cubic ferromagnetic crystal system increased wit…
A series of dumbbell-shape barium carbonate crystal were successfully synthesized by complexing reaction and homogeneous precipitation method using barium chloride,urea,sodium hydroxide and ethylenediaminetetraacetic acid disodium salt ( EDTA) as raw materials. The obtained product was characterized by X-ray powder di…
First generation of benzophenone dendritic phthalocyanin zinc,tetra-[3,5-di(p-benzoyl-benzyloxy)benzyloxy]phthalocyanin zinc[ZnPc(C35H27O5)4],was synthesized from p-methyl-benzophenone by bromation with NBS to obtain p-bromomethyl-benzophenone(1),1 reacted with 3,5-dihydroxyl-phenmethylol to give 3,5-di(p-benzoyl-benz…
A dielectric barrier discharge non-thermal plasma reactor and a processing device for simulating diesel engine exhaust were designed and built to investigate the NO x conversion chemistry in non-thermal plasma,particularly the effect of O 2,C 3 H 6 and vapor in diesel engine exhaust on NO oxidation and reduction conve…
According to the resistance matching principle and electromagnetic spreading regulation,Polyurethane(PU) foam core sandwich absorbing composites were fabricated,the absorbing characteristics of the different structure matching in sandwich composites were discussed.The experiment showed that when the matching layer add…
Single phase La0.7Ca0.3MnO3(LCMO) powder was synthesized by a chemical solution deposition(CSD) method and the polycrystalline sample was prepared by pressureless sintering method.The magnetic moment properties,colossal magnetoresistance(CMR) effect and electric-pulse-induced switching of electrical resistance effect…
The interaction between carbon dots and lysozyme was studied with resonance light scattering technique.It was found that the negatively charged carbon dots could bind with positively charged lysozyme through electrostatic attraction,forming a large complex that has strong light scattering signals and is unlikely to be…
The characters,forming principle and conditions needed during the production of curved fabric are introduced in this paper.The warp-curved fabric is made by using V-shaped metal reed to move up and down in producing whilst the weft-curved fabric is dependent on each different shaped reed tooth and its gradually transi…
As one of the lightest engineering materials,magnesium alloy has extensive application prospect for its characteristics,such as high specific strength,good electromagnetic shielding property. However,poor corrosion resistance has been a problem to restrict its further development and application. At present,many kinds…