Materials Literature
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The steady-state combustion model of magnesium-based hydro-reactive metal fuel was built based on the results of steam atmosphere experiment in order to study the combustion mechanism of water ramjet.The content of magnesium was more than 70%.The combustion process was divided into three zones: the inertia zone,the co…
The curing characteristics of the epoxidized styrene-isoprene-styrene(ESIS)/ methylnadic anhydride systems were investigated by DSC,FTIR,dynamic mechanical analysis(DMA),thermal gravimetric analysis(TGA) and tensile performance test.The results showed that MNA could react with a few epoxy groups of ESIS and slightly c…
The effects of intergranular corrosion and exfoliation corrosion exposure on the tensile properties of T6-,RRA-and T73-treated 7055 aluminum alloy sheets were investigated by ambient tensile test,optical microscopy,scanning electron microscopy and transmission electron microscopy.The results show that the strength and…
Based on the fact that both calcination and sulfidation of limestone in high-pressure gasifiers may occur simultaneously,simultaneous calcination and sulfidation experiments were carried out in a pressurized thermogra-vimetric analyzer under reducing atmosphere,and the effects of temperature(800—900,℃)and CO2 partial…
In this paper,the condition and methods of nano-semiconductor built-in electric field were analyzed in theory.The work function of semiconductors was then controlled by the modulation of built-in electric fields,and the relationship between built-in electric field and work function were carried out finally.The simulat…
Composite microporous polymer membrane based on poly(vinylidene fluoride)(PVDF),poly(ethylene oxide)(PEO),and La0.5Li0.5TiO3(LLTO)nanoparticle(denoted as PVDF–PEO/LLTO)was prepared by a simple phase inversion technique.LLTO nanoparticle can improve the electrochemical properties with forming new channels on its surfac…
This paper introduces the application of ABB industrial control system in broad CAPL of Stainless Steel Cold Rolling Mill of TISCO,expounds the application of ABB drive system and level 1 control system,and explains the phenomina of some typical faults and their removal.
ZnO/CdS quantum dots(QDs) were synthesized via sol-gel route and different colors of quantum dots were prepared by the adjusting the ratio of various precursors,These ZnO / CdS quantum dots′ color can be continuously adjusted and its excitation peak is at 450-460 nm,emission peak is at about 600 nm,the fluorescence ca…
An activated carbon(AC)/MnO2 composite electrode material(MAC) was prepared by vacuum impregnation and chemical precipitation methods.The as prepared MAC was characterized by means of SEM,EDS and XRD and its electrochemical performance was investigated by cyclic voltammetry,A.C.impedance and galvanostatic charge/disch…
Flame-retardant agents with different structures and self-made fluorinated water-repellent agent WR-1 were applied on cotton fabrics in one bath.The effect of one-bath finish on water-oil repellence,flame-retardant performance,free formaldehyde emission and mechanical properties of cotton fabrics were discussed.The re…
The printed circuit board has entered the lead-free age since the European Union RoHS directive is issued and implemented,which puts forward the heat resistance of printed circuit board higher requirements.The thermal analysis technology is a kind of technology which is used for analyzing and testing the relationship…
Cobalt oxide composites/ordered mesoporous carbon composites were prepared by combining incipient wetness impregnation and hydrothermal method.The samples were characterized by XRD,TEM,N2 adsorption/ desorption isotherms and electrochemical testing.The effect of hydrothermal temperature on the crystal structure and el…
A series of iridium(Ⅲ) complexes [(C^N)2IrL]+ [C^N=ppy,L=pzpy(1);C^N=dfppy,L=pzpy(2);C^N=ppy,L=pybi(3);C^N=tpy,L=acac(4);ppy=2-phenyl-pyridine,dfppy=2-(2,4-difluorophenyl)pyridine,pzpy=2-(1H-pyra-zol-1-yl)pyridine,pybi=1-phenyl-2-(pyridin-2-yl)-1H-benzoimida-zole,tpy=2-(4-tolyl)-pyridine,acac=acetoylacetonate] was inv…
Through comparing two kinds of drying technologies,i.e.whirlwind drying and rotational flow drying,for PVC slurry,it ws indicated that whirlwind drying technology had characteristics of less equipment and easy operation.Improvements made on equipment in the drying system,such as vibration sieves and air heaters,were a…
The aim of this study was to develop new application areas of chicken feather keratin,decrease dyeing pollution,and to utilize the waste effectively.Wool top was modified with chicken feather protein auxiliary and reactive cationic crosslinking agent WLS made by ourselves,and dyeing ability of the modified fiber dyed…
Damage precursors produced during grinding and polishing processes are the widely admitted damage initiators.Two models are built to examine the correlation between precursors and laser damage initiation.In the nano-absorber model,temperature field is simulated to describe the evolution of temperature at the hottest p…
Natto is a traditional food(fermented soybean) in Japan.It produces many kinds of functional factors.It can prevent blood clotting,anticancer,lower the blood pressure and so on,This paper outlines the basic nutritional value of natto and its bio-active substances,and the development prospect of natto.
Seven models of homogeneous spent fuel transmutation reactor(HSTR) core with different spent fuel composition and core power have been constructed to burn the actinides.The burnup variation of plutonium,neptunium and other long-life actinides is calculated by FMCHR to analyze its capability on burning actinides.The re…
With an n-AlGaN(4 nm)/GaN(4 nm) superlattice(SL) inserted between an n-GaN and an InGaN/GaN multiquantum well active layer,the efficiency droop of GaN-based LEDs has been improved.When the injection current is lower than 100 mA,the lumen efficiency of the LED with an n-AlGaN/GaN SL is relatively small compared to that…
According to the chemical composition and mechanical properties of hardfacing layer in Fe-Cr-C alloy,experimental program options were ensured after calculation and final test formula were ensured after test.A type of self-shielded surfacing flux-cored wire with high chromium cast iron was investigated.The experimenta…