122 Result(s)
within
**ao-xiang **e
Engineering
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Article
Influence of oxygen-rich hot air composite gas medium on sintering performance and function mechanism
Hot air sintering technology is used to improve the quality and production efficiency of sintered ore. However, the current thick layer condition highlights the disadvantage of the low oxygen potential of the ...
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Article
Corrosion behavior of as-cast Al0.75CoFeCr1.25Ni high entropy alloy in 0.5 mol/L NaOH solution
The corrosion behavior of an Al0.75CoFeCr1.25Ni high-entropy alloy (HEA) in 0.5 mol/L NaOH solution was investigated using a series of electrochemical and analytical techniques, including X-ray photoelectron spec...
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Article
Resourceful preparation of Sb2O3 in hazardous As-Sb dust from typical lead smelter
Hazardous arsenic antimony dust (HAAD), a perilous by-product with significant antimony and arsenic concentrations generated in lead smelters, poses a substantial environmental threat. The imperative of resour...
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Article
Enhanced transport of K-nZVI by bentonite suspensions in porous media
Due to high reactivity and relatively low cost, nano zero-valent iron (nZVI) has become an alternative material for in-situ remediation of contaminated sites. However, factors such as short transport distance ...
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Article
Effect of blade tilt angle on fluid flow characteristics in spray-blowing agitation composite process: a simulation
Aiming at the paddle tilt angle of the spray-blowing agitation composite process, the four-blade stirring and blowing composite desulfurization agitator was chosen as the research object, and the computational...
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Article
Propagation form of internal cracks induced by continuous casting soft reduction and control strategy for internal quality
The propagation form of internal cracks induced by continuous casting soft reduction and the control strategy for enhancing the internal quality of 45 steel through industrial trials and a three-dimensional fl...
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Article
DLF-YOLOF: an improved YOLOF-based surface defect detection for steel plate
Surface defects can affect the quality of steel plate. Many methods based on computer vision are currently applied to surface defect detection of steel plate. However, their real-time performance and object de...
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Article
Preparation and characterization of high hard and high tough ultrafine WC ceramics containing hybrid graphene and SiC nanowire
The aggregation of low-dimensional nanofillers in the host ceramic matrix significantly discounted their reinforcing efficiency. Herein, employing two-dimensional graphene (G) and one-dimensional SiC nanowire ...
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Article
Effect of slow shot speed on externally solidified crystal, porosity and tensile property in a newly developed high-pressure die-cast Al-Si alloy
The effect of slow shot speed on externally solidified crystal (ESC), porosity and tensile property in a newly developed high-pressure die-cast Al-Si alloy was investigated by optical microscopy (OM), scanning...
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Article
Migration behavior of solid fuel particles during granulation process and its influence on combustion property
Iron ore sintering process is the main CO2 emission source throughout the integrate steelworks, which primarily comes from the combustion of solid fuels. Improving the combustion efficiency and reducing the solid...
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Article
Laser-induced cavitation bubble near boundaries
Laser-induced cavitation bubble has been widely used to investigate the mechanisms of hydraulic machinery cavitation erosion and to explore applications in atomization, alloy strengthening, ultrasonic chemistr...
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Article
Effect of rare earth content on microstructure and corrosion resistance of hot-dip Zn–5Al alloy coated steel wire for bridge cables
The effects of the content of rare earth elements on the microstructure and properties of hot-dip Zn–5Al alloy steel wire for bridge cables were investigated. The microstructure of the hot-dip coating was anal...
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Article
Study on stability mechanism and control techniques of surrounding rock in gob-side entry retaining with flexible formwork concrete wall
Gob-side entry retaining (GER) is a technique in non-pillar mining, which maintains the original mining roadway along the edge of gob and retains it as a mining roadway for the subsequent working face. This te...
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Article
Performance degradation prediction of extra-wide concrete self-anchored suspension bridge under vehicle load considering time-dependent effects
In order to study the influence of concrete shrinkage and creep effect and temperature change on the extra-wide concrete self-anchored suspension bridge under vehicle load, the Hunan Road Bridge, which is the ...
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Article
Simulation of bubble breaking process in a jet mixing reactor for desulfurization of molten iron
The gas–liquid flow behavior of the stirred flow field, the different positions of a single bubble, the initial velocity, the surface tension and the agglomeration of multiple bubbles were studied by CFD numer...
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Article
Stress wave propagation attenuation law and energy dissipation characteristics of rock-barrier-coal composite specimen under dynamic load
The active attenuation method of rockburst stress wave is an important research problem in coal roadway safety control. In this study, the strengths of different propagation media were analyzed and a new type ...
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Article
In situ self-nucleophilic synthesis of nano-Li4Ti5O12/reduced graphite oxide composite with mesopore-oriented porous structure for high-rate lithium ion batteries
It is the core to improve the electron/ion transfer features of Li4Ti5O12 for achieving high-rate anode in lithium ion batteries. By directly using graphite oxide powder, nano-Li4Ti5O12/reduced graphite oxide com...
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Article
Review of elemental mercury (Hg0) removal by CuO-based materials
Mercury emission has become a great environmental concern because of its high toxicity, bioaccumulation, and persistence. Adsorption is an effective method to remove Hg0 from coal-fired flue gas, with adsorbents ...
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Article
La0.75Sr0.25Cr0.5Mn0.5O3−δ-Ce0.8Gd0.2O1.9 composite electrodes as anodes in LaGaO3-based direct carbon solid oxide fuel cells
Direct carbon solid oxide fuel cells (DC-SOFCs) are promising, green, and efficient power-generating devices that are fueled by solid carbons and comprise all-solid-state structures. Develo** suitable anode ...
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Article
Thrust force model for ultrasonic-assisted micro drilling of DD6 superalloy
As a typical refractory material, the DD6 nickel-based single-crystal superalloy has important applications in the aviation industry. Ultrasonic-assisted drilling is an advanced machining method that significa...
