Materials Literature
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Objective To develop cisplatin-loaded long-circulating liposomes modified with transferrin(Tf-PEG-CDDP).Methods The blank liposomes were prepared by thin film dispersion-ultrasound method and cisplatin was packaged by ammonium sulfate gradient method.Tf-PEG-CDDP was prepared by binding transferrin to maleimide termina…
Simulation test of rolling and continuous annealing of a C-Mn-Si TRIP steel was carried out on a Gleeble-3500 thermal simulation tester.The effect of the process on microstructure and mechanical properties of the cold rolled TRIP steel was examined.The process was mainly characterized by coiling at lower temperature a…
By imitating the process of using polyester DTY in the weaving factory,creating a simple test equipment and making test code,the unwinding performance test of polyester DTY is carried out.It is to verify that when the materials,technology,equipment and other processing conditions change,the unwinding of the product pe…
Folic acid receptor(FR) was usually overexpressed in many cancer cells and was considered as potential target for targeted therapy agent.We decorated dendrimer polyamidoamine generation five-folic with acid and 1B4M-DTPA and then radiolabeled with ~(188)Re.Thes in vitro stability was evaluated.The labeling yield of th…
An ITO/NPB/PAA/Alq3:DCJTB/Alq3/Mg:Ag white organic light-emitting device based on PAA was fabricated.An excellent white light emission was achieved by mixing the blue light and the yellow light from PAA layer and Alq3:DCJTB layer,respectively.The turn-on voltage of the device is 4.6 V,the maximum luminance efficiency…
Due to the problem of unfitness of business wear and the design requirement of an emterprise,pattern design and ease design are analyzed.A new pattern design of jacket business wear based on human characteristics is put forward,the exact ease and relevant parts freedom of jactet business wear are determined by wearing…
Polybutylene terephthalate(PBT)was irradiated by electron accelerator.The influences of absorbed dose,crosslinking agent content and radiation atmosphere on gel content of PBT were investigated.The effects of radiation crosslink on the mechanical properties and crystal behavior of PBT were studied.The results indicate…
Transparent and conductive c-axis oriented aluminum-doped zinc oxide(AZO) films have been prepared on glass substrate by DC magnetron sputtering processing.For this purpose,a sintered ceramic disc of ZnO mixed with Al2O3 is used as the target.The microstructure of AZO ceramic target is characterized by micro-Raman spe…
Corrosion behaviors of Mg-4Zn-Y-xSb(x=0,0.5,1,2)alloys in the 3.5% NaCl solution were investigated,and effects of Sb addition on corrosion resistance of Mg-4Zn-Y alloys were also studied by optical morphology,electrochemical polarization curves and electrochemical impendence spectrum(EIS).The results show that the add…
To minimize nuclear waste disposal cost,improve solidification efficiency of radioactive incineration ash(RIA) and security of cement solidified waste,the research and development of cement solidified material for radioactive incineration ash with high waste loading is carried out.The results show that: new cement sol…
The curing process of epoxy resin/cyanate ester/novolac resin system was discussed by FITR and DSC.The copper clad laminate with high heat resistance,low Dielectric Constant and Dissipation Factor,excellent humidity resistance and flame retardance,good processing performance was made through the epoxy resin/cyanate es…
In order to research the effect of alloy preparation methods on the phase structure and hydrogen storage properties Mg70(Ni3La)30 alloys,the alloys were prepared by casting method,copper mould casting and melt-spinning technique respectively.Theresult showed that the low-temperature phase increased gradually with the…
The retained austenite content in bearing steel GCr15 was determined by magnetism method,metallographic analysis and X-ray diffraction measurement,its effects on the service life of bearing steel GCr15 were also discussed. The results show that magnetism method facilitates the determination of the retained austenite c…
We used anode slime sample by fire tries gold enrichment to form the conjunction of platinum and palladium.And we determinated the content of platinum and palladium by inductively coupled plasma spectrometer simultaneous.The detect limit for platinum is 0.015 ug/ml,and Palladium 0.020 ug/ml(K = 3).This method is accur…
The statistics,calculation and analysis are made on adjusting the middle(lower)pulling rod holes distance to adapt to the brake cylinder piston travel in overhaul of freight car bogies.It is found out that there is blackout area of adjustment in foundation braking of Zhuan K2 and Zhuan K6 bogies,especially for the Zhu…
To fulfill photocatalytic hydrogen production,Ag-doped ZnS photo catalyst was prepared by template hydrothermal method and solution infiltration and reduction method.The structure and optical property were studied by XRD,SEM and UV-vis,respectively.The photocatalytic activity of the catalysts was evaluated by splittin…
The phase composition,microstructure,micro-hardness and brittleness of gas nitriding layer and laser quenching-nitriding layer have been studied.The results show that the content of e-Fe3N in bright layer of laser quenching-nitriding layer increases from 14.74% to 69.45%,while the content of crisp and hard ξ-Fe2N drop…
Using MCM-41、 HZSM-5 and mordenite(MOR) as carriers,phosphotungstic acid as active components,a set of molecular sieve supported phosphotungstic acid catalysts were prepared by a wet impregnation method.The supported phosphotungstic acid catalysts was characterized by Fourier-transform infrared spectroscopy、 X-ray dif…
The isothermal crystallization behavior of polyphenylene sulfide(PPS)/carbon nanotube(CNT) composites have been investigated by means of differential scanning calorimetry(DSC).In order to study the kinetic parameters for crystallization of PPS as well as the crystallization activation energy,the Avrami equation was us…
Co-Na co-doped ZnO diluted magnetic semiconductor Zn0.87Co0.10Na0.03O films were prepared by sol–gel method and an-nealing in different atmospheres.The crystal structure,luminescence,electric and magnetic properties of the Zn0.87Co0.10Na0.03O film samples were determined,and the effects of annealing atmosphere on prop…