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109 Result(s)
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Article
Identification method for design parameters of single-action tapered spool restrictors
The performances of a hydrostatic bearing using the tapered-spool restrictors with appropriate design parameters is superior to other types of pressure compensation, that is the largest stiffness obtained unde...
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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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Article
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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Article
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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Article
Adaptive occlusion hybrid second-order attention network for head pose estimation
Head pose estimation (HPE) is a challenging and critical research subject with a wide range of applications in areas such as driver monitoring, attention recognition, and human-computer interaction. However, t...
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Article
Ferroelectric transistors based on shear-transformation-mediated rhombohedral-stacked molybdenum disulfide
To develop low-power, non-volatile computing-in-memory device using ferroelectric transistor technologies, ferroelectric channel materials with scaled thicknesses are required. Two-dimensional semiconductors, ...
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Article
Open AccessSolvent-free carbon sphere nanofluids towards intelligent lubrication regulation
By simply switching the electrical circuit installed on steel/steel contact, the tribological behaviors of nanofluids (NFs) can be regulated in real time, thereby achieving the desired performance of friction ...
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Article
Machining Feature Recognition Method Based on Improved Mesh Neural Network
Machining feature recognition, which bridges computer-aided design (CAD) and computer-aided process planning (CAPP) systems, is the key technology to achieve the integration of CAD, CAPP, and computer-aided ma...
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Article
Open AccessAutomatic and continuous blood pressure monitoring via an optical-fiber-sensor-assisted smartwatch
Automatic and continuous blood pressure monitoring is important for preventing cardiovascular diseases such as hypertension. The evaluation of medication effects and the diagnosis of clinical hypertension can ...
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Article
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
Open AccessExperimental investigation on the triaxial unloading mechanical characteristics of sandstone immersed in different brines
In this study, the stress–strain curves of sandstone soaked in 5% NaCl and 5% K2SO4 solutions under different loading and unloading paths were obtained by carrying out different paths of unloading confining press...
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Article
Open AccessAnion Defects Engineering of Ternary Nb-Based Chalcogenide Anodes Toward High-Performance Sodium-Based Dual-Ion Batteries
We developed an efficient and extensible strategy to produce the single-phase ternary NbSSe nanohybrids with defect-enrich microstructure.
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Article
Particle agglomeration behavior in fluidized bed during direct reduction of iron oxide by CO/H2 mixtures
The agglomeration behavior of particles significantly impacts on the defluidization occurring in a fluidized bed during the direct reduction process. The influence of CO/H2 ratio on surface diffusion of iron atom...
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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
Characterization of Cu2+ adsorption for eco-hydroxyapatite derived from limestone sludge via hydrothermal synthesis
This study developed a novel approach to the hydrothermal synthesis of eco-hydroxyapatite (eco-HPA) from recycled limestone sludge for the removal of Cu2+ from aqueous solutions. The resulting eco-HPA was charact...
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Chapter and Conference Paper
Study on Soaking Time of Replacement Oil by Water Injection Wells in Carbonate Fault-Controlled Reservoir
Carbonate fault-controlled volatile reservoir has the reservoir characteristics of high temperature, high pressure and weak volatility and the structural characteristics of weak dissolution-strong fracture. Co...
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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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Chapter and Conference Paper
Water Injection Effect Evaluation and Optimization Practice for a Giant Carbonate Reservoir in Middle East
Water injection evaluation and water injection optimization practice of a giant carbonate reservoir in Middle East was discussed. In view of water injection development contradictions and challenges faced by t...
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Chapter and Conference Paper
Development Strategy Optimization of a Giant Carbonate Reservoir in Middle East Under the Condition of Water Channeling Along High Permeability Layers and Interlayer Crossflow
In order to deal with development challenges such as low formation pressure and rapid water cut rise in water injection development of a giant bioclastic limestone M reservoir in Middle East, the water floodin...