24 Result(s)
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Article
Surfactant-modified SiO2/FeS nanocomposites for remediation of cadmium pollution
To improve the remediation and antioxygenic properties of ferrous sulfide (FeS) nanomaterials toward heavy metals is the focus of current research. This study employed a combination of sodium carboxymethylcell...
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Cooperative effect of citric acid and pyrite on the slow-release of silicon from coal gangue and the stabilization of arsenic: Implications for soil remediation
The application of coal gangue as a soil amendment shows promise in increasing silicon availability, potentially serving as a silicon fertilizer in agriculture. However, the rapid release of silicon from coal ...
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Characterization of soil heavy metals at an abandoned smelting site based on particle size fraction and its implications for remediation strategy
Soil particle size plays a crucial role in the distribution and occurrence of soil heavy metals (HMs). Comparative studies on the distribution of HMs across soil particle sizes of various areas affected by sme...
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Article
Stability control of deep-buried roadways using large deformation and increasing resistance anchor cables
A new large deformation and increasing resistance anchor cable was developed. The energy absorption and pressure release were achieved through connecting six straight tube-shaped steel structures (thickness of...
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Preparation of arsenic-antimony from arsenic alkali residue by calcification transformation-carbonthermal reduction
Arsenic alkali residue is a hazardous solid waste typically produced during antimony smelting and its comprehensive utilization is relatively difficult, with problems such as low As and Sb recovery rates, inco...
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Article
Process and mechanism investigation on comprehensive utilization of arsenic-alkali residue
Arsenic-alkali residue is a solid waste produced by the antimony smelting industry, which can pose a threat to the environment and human health. The common wet treatment process of arsenic-alkali residue has a...
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Article
Microwave-assisted rapid synthesis of ovalbumin-stabilized gold nanoclusters for picric acid determination
In this work, ovalbumin-stabilized gold nanoclusters (OVA-Au NCs) fluorescent nanoprobes were synthesized by microwave heating and applied to detect picric acid (PA). The nanoprobes emitted red fluorescence wi...
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Article
Modeling of Time-Varying Surface Roughness Considering Wear Overlap Per Tooth in Ball End Finish Milling
In multi-axis ball end finish milling, the continuous change in cutting contact points produces complex wear overlap** zones. Moreover, each flute bears different actual cutting depths and contact points lea...
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Article
Prediction of structural and electronic properties of Cl2 adsorbed on TiO2(100) surface with C or CO in fluidized chlorination process: A first-principles study
Based on the first-principles calculations of density functional theory, co-adsorption models of C or CO with Cl2 on rutile TiO2 (100) surface were established. The adsorption structures and electronic properties...
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Article
A-BQ, a classification system for anisotropic rock mass based on China National Standard
The rock mass in nature is in most cases anisotropic, while the existing classifications are mostly developed with the assumption of isotropic conditions that not always meet the engineering requirements. In t...
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Article
Tunable left-hand characteristics in multi-nested square-split-ring enabled metamaterials
Left-hand materials have drawn increasing attention from many disciplines and found widespread application, especially in microwave engineering. A sandwiched metamaterial consisting of multi-nested square-spli...
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Article
Risk assessment of water inrush in tunnels based on attribute interval recognition theory
Water inrush is one of the most serious geological hazards in underground engineering construction. In order to effectively prevent and control the occurrence of water inrush, a new attribute interval recognit...
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Article
Evaluation on the Manufacturability of Solderable Sn Coatings Obtained by Employing Hot-Dipped Tinning Process
The lack of systematic evaluation on the feasibility of fabricating solderable coatings through a hot-dipped tinning process restricts the increasing applications of this process in the electronics industry. I...
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Numerical investigation on permeability evolution behavior of rock by an improved flow-coupling algorithm in particle flow code
Permeability is a vital property of rock mass, which is highly affected by tectonic stress and human engineering activities. A comprehensive monitoring of pore pressure and flow rate distributions inside the r...
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Article
Bubble behavior in aluminum reduction cell with inert anode
The bubble behavior is one of the key factors for the design and the process of aluminum reduction cell using inert anode. A see-through cell is constructed to investigate the bubble flow behavior and the elec...
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Article
Failure behavior around a circular opening in a rock mass with non-persistent joints: A parallel-bond stress corrosion approach
The stability of underground excavations is influenced by discontinuities interspaced in surrounding rock masses as well as the stress condition. In this work, a numerical study was undertaken on the failure b...
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Article
Effects of rapid solidification process and 0.1%Pr/Nd addition on characteristics of Sn−9Zn solder alloy and interfacial properties of Cu/solder/Cu joints
Rapidly solidified Sn-9Zn-0.1Pr(/Nd) alloy foils were prepared by melt-spinning method. Through comparison, the effects of rapid solidification process and 0.1%Pr/Nd (mass fraction) addition on the microstruct...
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Article
Microstructure & texture evolution and magnetic properties of high magnetic-induction 6.5% Si electrical steel thin sheet fabricated by a specially designed rolling route
Electrical steel sheets with 6.5% (mas fraction) Si with good shapes and superior magnetic inductions were successfully produced by a specially designed processing route including ingot casting, hot rolling an...
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Article
Spatial acoustic emission evolution of red sandstone during multi-stage triaxial deformation
Multi-stage triaxial compression tests for cylindrical red sandstone specimens (diameter of 50 mm, height of 100 mm) were carried out with a rock mechanics testing system and spatial acoustic emission (AE) loc...
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Article
Mechanical behavior and failure analysis of brittle sandstone specimens containing combined flaws under uniaxial compression
Based on the axial stress-axial strain curves, the effect of fissure angle on the strength and deformation behavior of sandstone specimens containing combined flaws is analyzed. The mechanical parameters of sa...
