24 Result(s)
within
English
Engineering
Engineering, general
Metallic Materials
**g-bing Wang
Article
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Article
P- and S-wave arrival time combined Bayesian location method for a microseismic event
Microseismic (MS) source location is a critical technology in MS monitoring. Traditionally, P-wave or S-wave travel time-based ray-tracing algorithms are adopted for a mine MS event location. However, only a f...
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Article
Experimental study on triaxial creep characteristics of the anthracite coal under low confining pressure
The creep characteristics of coal pillars left over from old mining directly affect the long-term stability of underground engineering. To study the creep characteristics and long-term stability of the No. 3 a...
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Article
Sol-gel synthesis of metal ions doped TiO2 catalyst with efficient photodegradation of dye pollutant
Water pollution problem is a significant trouble in our life. The photodegradation of organic pollutants in water, which is an environmentally friendly and economically feasible approach, has attracted conside...
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Article
Rockburst prediction in hard rock mines develo** bagging and boosting tree-based ensemble techniques
Rockburst prediction is of vital significance to the design and construction of underground hard rock mines. A rockburst database consisting of 102 case histories, i.e., 1998–2011 period data from 14 hard rock...
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Experimental simulation investigation of influence of depth on spalling characteristics in circular hard rock tunnel
A series of true-triaxial compression tests were performed on red sandstone cubic specimens with a circular hole to investigate the influence of depth on induced spalling in tunnels. The failure process of the...
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Article
Review of oxidant resistant coating on graphite substrate of HTR fuel element
The core components of HTR mainly consist of graphite, which is an excellent solid moderating material and structure material with good irradiation performance. However, graphite is easier to be oxidized at hi...
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Article
Kinematic analysis of geosynthetics-reinforced steep slopes with curved slo** surfaces and under earthquake regions
A procedure of kinematic analysis is presented in this study to assess the reinforcement force of geosynthetics required under seismic loadings, particularly for steep slopes which are hardly able to maintain ...
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Article
Red-blood-cell-like nitrogen-doped porous carbon as an efficient metal-free catalyst for oxygen reduction reaction
A red-blood-cell-like nitrogen-doped porous carbon catalyst with a high nitrogen content (9.81%) and specific surface area (631.46 m2/g) was prepared by using melamine cyanuric acid and glucose as sacrificial tem...
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Article
Two-step carbon modification of NaTi2(PO4)3 with improved sodium storage performance for Na-ion batteries
NASICON-type structured NaTi2(PO4)3 has been regarded as a promising anode material for non-aqueous and aqueous Na-ion batteries, whereas its sodium storage performance was greatly restricted by its inherent infe...
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Article
Calculations of stability of alloyed cementite from valance electron structure
Based on the empirical electronic theory of solids and molecules (EET), the actual model for unit cell of cementite (θ-Fe3C) was built and the valence electron structures (VES) of cementite with specified site an...
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Article
Effects of thermal treatment on physical and mechanical characteristics of coal rock
To study the physical and mechanical properties of coal rock after treatment at different temperatures under impact loading, dynamic compression experiments were conducted by using a split Hopkinson pressure b...
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Article
Application of multivariate statistical techniques in assessment of surface water quality in Second Songhua River basin, China
Multivariate statistical techniques, such as cluster analysis (CA), discriminant analysis (DA), principal component analysis (PCA) and factor analysis (FA), were applied to evaluate and interpret the surface w...
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Article
Effect of carrier gas pressure on vapor condensation and mass flow-rate in sonic nozzle
Non-equilibrium vapor condensation of moist gas through a sonic nozzle is a very complicated phenomenon and is related to the measurement accuracy of sonic nozzle. A gas-liquid two-phase model for the moist ga...
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Article
Assessment of temporal and spatial variations in surface water quality using multivariate statistical techniques: A case study of Nenjiang River basin, China
Assessment of temporal and spatial variations in surface water quality is important to evaluate the health of a watershed and make necessary management decisions to control current and future pollution of rece...
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Article
Numerical analysis of temperature rise within 70 MPa composite hydrogen vehicle cylinder during fast refueling
The numerical simulation model for predicting fast filling process of 70 MPa type III (with metal liner) hydrogen vehicle cylinder was presented, which has considered turbulence, real gas effect and solid heat...
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Article
Fluid flow characteristics of single inclined circular jet im**ement for ultra-fast cooling
The fluid flow characteristics of the single bunch inclined jet im**ement were investigated with different jet flow velocities, nozzle diameters, jet angles and jet-to-target distances for ultra-fast cooling...
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Article
Influence of sulfur addition/solids content ratio on removal of heavy metals from mine tailings by bioleaching
The effect of sulfur addition/solids content (SA/SC) ratio on heavy metals (e.g. copper, zinc and lead) obtained from mine tailings by indigenous sulfur-oxidizing bacteria was studied, and the changes in the c...
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Article
Longitudinal dynamic response of pile in layered soil based on virtual soil pile model
Taking the effect of finite soil layers below pile end into account, the longitudinal dynamic response of pile undergoing dynamic loading in layered soil was theoretically investigated. Firstly, finite soil la...
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Article
Rheological behavior of novel polyamide 6/silica nanocomposites containing epoxy resins
A novel polyamide 6/silica nanocomposite containing epoxy resins (EPA6N) was prepared via in situ polymerization using tetraethoxysilane (TEOS) as the precursor of silica. The dynamic rheological properties of...
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Article
Separation of aluminosilicates and diaspore from diasporic-bauxite by selective flocculation
The flocculation tests of four pure minerals (diaspore, kaolinite, illite, pyrophyllite) and bauxite ore were investigated by the sedimentation. The dispersion behavior of the four pure minerals shows a very g...
