29 Result(s)
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Article
Electrochemical conversion of furfural to furoic acid: a more stable, efficient and energy-saving system
The paired electrolytic system is constructed by combining the valuable organic electro-oxidation and electro-reduction reactions, which can replace the ineffective water splitting half-reaction. By reducing t...
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Article
Open AccessLead-Carbon Batteries toward Future Energy Storage: From Mechanism and Materials to Applications
The lead acid battery has been a dominant device in large-scale energy storage systems since its invention in 1859. It has been the most successful commercialized aqueous electrochemical energy storage system ...
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Article
Experimental and Internal Flow Investigation on the Performance of a Hydraulic Retarder with Different Liquid-Filled Amount and Blade Inclination Angles
In order to study the variation of brake torque, vibration, pressure fluctuation, exterior noise and internal flow for a hydraulic retarder with different inclination angles and liquid-filled amount, a bench-s...
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Article
Boundedness of commutators of \(\theta \) -type Calderón–Zygmund operators on generalized weighted Morrey spaces over RD-spaces
Let \(({\mathcal {X}},\,d,\,\mu )\) ( X , ...
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Article
Open AccessApplications of various range shifters for proton pencil beam scanning radiotherapy
A range pull-back device, such as a machine-related range shifter (MRS) or a universal patient-related range shifter (UPRS), is needed in pencil beam scanning technique to treat shallow tumors.
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Article
Template-free synthesis of lignin-derived 3D hierarchical porous carbon for supercapacitors
A facile synthesis strategy for lignin-derived three-dimensional hierarchical porous carbon (LHPC) was developed in this work. The LHPC was synthesized by a one-step carbonization-activation process using lign...
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Article
Weighted estimates for iterated commutators of multilinear Calderón-Zygmund operators on non-homogeneous metric measure spaces
Let ( \({\cal X}\) X , d,μ) be a non-homogeneous metric measure space satisfy...
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Article
Weighted Norm Inequalities for Local Fractional Integrals on Gaussian Measure Spaces
In this paper, the authors establish the weighted norm inequalities associated with the local Muckenhoupt weights for the local fractional integrals on Gaussian measure spaces. More precisely, the authors firs...
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Article
A Hydraulic Performance Comparison of Centrifugal Pump Operating in Pump and Turbine Modes
The modifications of impeller may show diverse impact on centrifugal pump operating in pump and turbine modes. To clarify this problem, the hydraulic performance of a low specific speed centrifugal pump operat...
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Article
Analysis of In Situ Synthesis and Cross-Sectional Evolution of Wear Scars of TiAl-Ag Composites
The need for reducing the energy consumption and volume of materials used in the aerospace industry has been driving the further optimization of the behavior of TiAl alloy under friction and wear. Therefore, i...
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Investigation of Silver Synthesis to Reduce Friction and Wear of TiAl-Based Composites
The urgency of development in the aviation industry has motivated further optimization of TiAl alloys with respect to friction and wear. In this paper, dendritic silver has been prepared to improve the behavio...
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Article
Prediction of the Sunspot Number with a New Model Based on the Revised Data
Sunspot-number prediction plays a very important role in space-weather forecasts and environmental research. In 2015, the international relative sunspot-number publisher released a new version of the data. Com...
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Article
A Synergetic Effect of Silver and Carbon Nanotubes on the Tribological Behavior of TiAl-Based Composites
This work explores the addition of silver and multiwalled carbon nanotubes (MWCNTs) for acquiring a better tribological property at the lowest cost. The friction and wear behavior of TiAl-Ag-MWCNTs at 0-160 mi...
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Article
Determination of short-period terms of total solar irradiance
In addition to the evident 11-year periodic changes, Total solar irradiance (TSI) also has some short-period processes. We carried out the wavelet analysis for TSI observational series and its inter-annual tim...
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Article
Laser Additive Manufacturing of (Ti-6Al-4V)/10 wt.% Ag Composite Using Spherical Powders to Reduce Wear and Friction
In order to extend the service lifetime of Ti-6Al-4V-based components, friction and wear behaviors of Ti-6Al-4V alloys needed to be further improved. Laser additive manufacturing with a moving laser beam was u...
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Article
Facile Self-templating Melting Route Preparation of Biomass-derived Hierarchical Porous Carbon for Advanced Supercapacitors
Biomass-derived porous carbons show great potential as electrode materials for supercapacitors due to the environmental friendliness. However, most of the carbonaceous electrode materials suffer from low speci...
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Article
Effect of Supercritical Carbon Dioxide Conditions on PVDF/PVP Microcellular Foams
Supercritical carbon dioxide (ScCO2) was used as a physical foaming agent to prepare poly(vinylidene f luoride)/poly(N-vinyl pyrrolidone) (PVDF/PVP) microstructure material. The effects of foaming conditions incl...
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Article
Open AccessFlexible PVDF membranes with exceptional robust superwetting surface for continuous separation of oil/water emulsions
Instability of superwetting surface is the stumbling block of flexible polymeric membranes for continuous separation of water-in-oil or oil-in-water emulsions. Manipulation of rigid superwetting nano-TiO2 on hier...
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Article
Boundedness of certain commutators over non-homogeneous metric measure spaces
Let \((\mathcal {X},d,\mu )\) ( ...
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Article
Thermal transfer during the activation process in LiSi/FeS2 thermal batteries
Thermal batteries(TBs) as primary power sources are widely applied in defense and military affairs, and used in electronic packages and nuclear weapons. The activation time(AT) of TBs restricts the reactive sp...
