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785 Result(s)
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Article
Electrical properties of highT c EuBa2Cu307-X
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Article
Magnetic properties of RE-Ba-Cu oxides in the normal and superconducting states
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Article
Slag foaming in bath smelting
Slag foaming measurements in terms of the foaming index (∑) were conducted on bath smelting-type slags (CaO-SiO2-FeO, CaO-SiO2-MgO-Al2O3-FeO) at 1773 K. It was found that the slag foam stability decreases with in...
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Article
The principal constructive process of unit cell in Bi-Based superconductors
In this paper, 2201 and 2212 phases as the corresponding precursor of forming 2212 and 2223 phases are discussed, and the constructive process of unit cell of 2201 phase is ascertained by XRD and chemical kine...
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Article
Stress and fatigue analyses of an induction hardened component
Stress analysis of an induction hardened shaft subjected to cyclic torsional loading is conducted. Finite difference method is employed with the application of an Armstrong-Frederick type cyclic plasticity mod...
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A thermodynamic study of BaO-BaF2-Cr2O3 system fluxes used for dephosphorization of chromium-containing iron melts
Activities of Cr2O3 in BaO-BaF2-Cr2O3 ternary fluxes are determined using a −Mo|Cr+Cr2O3‖ ZrO2(MgO)‖{Cu-Cr}alloy + (Cr2O3)fluxes|Mo+ solid electrolyte cell in conditions of BaO-BaF2-Cr2O3 system fluxes equilibriu...
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The effects of alkaline earth metal ions and halogen ions on the chromium oxide activities in alkaline earth metal oxide-halide-Cr2O3 system fluxes
The solid electrolyte cell — Mo|Cr + Cr2O3‖ZrO2(MgO)‖{Cu-Cr}alloy + (Cr2O3)fluxes|Mo+ is used at 1673 K to determine Cr2O3 activities in MO-MX 2-Cr2O3 (M = Ca2+, Ba2−, X = F− or Cl−) ternary fluxe...
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Article
Reaction synthesis, microstructure, and mechanical properties of in situ composite NiAl-Al2O3-TiC
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Article
Numerical simulation of high temperature air combustion flames properties
High temperature air combustion (HTAC) is an attractive technology of saving energy and controlling environment. The mathematical models of turbulent jet flame under the highly preheated air combustion conditi...
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Article
The ionic properties of CaSiO3 melt
Molecular dynamics simulation of CaSiO3 melt was carried out using the effective pair potential model, with reasonable values of the interaction parameter. The result of the partial radial distribution function, ...
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Article
Distribution behavior of collector in the desilication system of bauxite flotation
The distribution behavior of the HZB collector (a kind of long chain fatty acid) in the desilication system of bauxite flotation was studied. The results show that the collector tends towards froth products in...
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Article
Effect of the catalyzing combustion of coke breeze on the energy saving in sinter process
The mechanism of additive ZC-1 for catalyzing combustion of coke breeze in sintering of iron ore fines was studied by using X-ray Diffraction, TGA and GC(Gas Chromatographer), by which energy saving was achiev...
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Article
Effect of Palladium Incorporation on Isothermal Oxidation Behavior of Aluminide Coatings
A (Ni, Pd)Al coating has been prepared by low-pressure pack cementation on the nickel-base superalloy IN738 with a preplating of Pd–20 wt.% Ni alloy. The coating consists mainly of a single phase of β-Pd(Ni)Al...
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Article
Effect of infiltrating Si on friction properties of C/C composites
In order to improve the friction-wear properties of the C/C composites for aircraft brake pairs, the friction behavior of samples with infiltrating Si was investigated. The influence of Si smearing thickness o...
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Article
The contact angle between liquid iron and a single-crystal magnesium oxide substrate at 1873 K
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Article
Oxidation Kinetics and Scale Morphology of a Palladium-Modified-Aluminide Coating at High Temperature in Air
The isothermal oxidation behavior of a (Ni,Pd)Al coating was investigated in air over the temperature range of 800–1150°C by means of TGA, XRD, SEM/EDS. The oxidation kinetics of the (Ni,Pd)Al coating obey app...
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Article
Coordination properties and structural units distribution of Q T i in calcium aluminosilicate melts from MD simulation
The distribution of Al(j) and the structural units distribution of Q T i in calcium aluminosilicate me...
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Article
Purification technology of molten aluminum
Various purification methods were explored to eliminate the dissolved hydrogen and nonmetallic inclusions from molten aluminum alloys. A novel rotating impeller head with self-oscillation nozzles or an electro...
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Article
Event-based incremental updating of spatio-temporal database
Based on the relationship among the geographic events, spatial changes and the database operations, a new automatic (semi-automatic) incremental updating approach of spatio-temporal database (STDB) named as ev...
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Article
Road network extraction in classified SAR images using genetic algorithm
Due to the complicated background of objectives and speckle noise, it is almost impossible to extract roads directly from original synthetic aperture radar (SAR) images. A method is proposed for extraction of ...