4,077 Result(s)
-
Article
Study on the Mechanism of the Influence of Passenger Load on the Vibration Characteristics of Railway Vehicles Based on Modal Characteristics
In order to investigate the effect of passenger load on the vibration of rail vehicles, a modal experiment was conducted on a certain type of high-speed train under empty-load, rice counterweight, and passenge...
-
Article
Enhanced recoverable energy density in Ca0.7Sm0.2TiO3-modified Bi0.5Na0.5TiO3–SrTiO3 ceramic capacitors
Ceramic capacitors are receiving increasing interest because of their applications in pulsed-power devices. The perovskite oxide Bi0.5Na0.5TiO3 (BNT)-based ferroelectric ceramics are regarded as prospective lead-...
-
Article
Open AccessResearch on reasonable coal pillar staggered distance in shallow multi-seam mining
In shallow buried closely spaced multi-seam mining in Jurassic Coalfield in western China, due to specific reasons, it is inevitable that the lower and upper coal seam working faces and coal pillars are overla...
-
Article
Open AccessQuantifying short-range order using atom probe tomography
Medium- and high-entropy alloys are an emerging class of materials that can exhibit outstanding combinations of strength and ductility for engineering applications. Computational simulations have suggested the...
-
Article
Microstructures and thermal stability of high-entropy decagonal quasicrystal approximant micropillars
Parallel micropillars of quasicrystal approximants are fabricated in Al20Si20Mn20Fe20Ga20 high-entropy alloy via melt spinning, and their micromorphology is observed by scanning electron microscopy. Unlike the tr...
-
Article
Perfluorosulfonic acid membranes with reduced hydrogen permeation by filling with carbon quantum dots for fuel cells
Carbon quantum dots (CQDs) are compatible with perfluorosulfonic acid (PFSA) polymers due to their rich hydrophilic functional groups and nanoscale particle size, making them suitable as inorganic fillers for ...
-
Article
Study of SiO2 aerogel/CNTs photothermal de-icing coating for wind turbine blades
Ice on the surface of wind turbine blades may result in power production losses and unsafe operations. An effective technological solution to the ice issue is coating de-icing. This study first constructed SiO2 a...
-
Article
Multi-scale synergistic regulation of hierarchical porous Ni@NiSe cathodes with low voltage gap, high capacity and long-term cycling stability in Li–CO2 battery
The Li–CO2 battery often suffers from high overpotential and limited capacity due to the challenges associated with the adsorption of Li+ and CO2 and the decomposition of Li2CO3. Herein, hexagonal rich-stepped Ni...
-
Article
Revealing the role of electrode potential micro-environments in single Mn atoms for carbon dioxide and oxygen electrolysis
Elucidation the relationship between electrode potentials and heterogeneous electrocatalytic reactions has attracted widespread attention. Herein we construct the well-defined Mn single-atom (MnSA) catalyst wi...
-
Article
Polyethylene terephthalate composite and foam with superior mechanical properties from the synergistic simultaneous in situ fibrillation of liquid crystal polymer and polytetrafluoroethylene
Liquid crystal polymers (LCP) and polytetrafluoroethylene (PTFE) were in situ fibrillated to produce polyethylene terephthalate (PET)/LCP/PTFE composites using a simple and scalable extrusion drawing technique...
-
Article
Improving both performance and stability of n-type organic semiconductors by vitamin C
Organic semiconductors (OSCs) are one of the most promising candidates for flexible, wearable and large-area electronics. However, the development of n-type OSCs has been severely held back due to the poor sta...
-
Article
Naked-eye visualization of lymph nodes using fluorescence nanoprobes in non-human primate-animal models
Despite sufficient studies performed in non-primate animal models, there exists scanty information obtained from pilot trials in non-human primate animal models, severely hindering nanomaterials moving from ba...
-
Article
Tensile properties and deformation characteristics of nickel-iron-based superalloys for steam turbine rotors
This study investigates the microstructural evolution and tensile properties of a new nickel-iron-based high-temperature alloy, HT700R, after solution treatment and ageing treatment. The results show that the ...
-
Article
2D metal azolate framework for efficient CO2 photoreduction
Visible-light-driven conversion of CO2 into value-added fuel is a clean and renewable technology to retard global warming and address energy shortages. Two-dimensional metal-azolate frameworks (2D MAFs) have rece...
-
Article
CBF-Based Distributed Model Predictive Control for Safe Formation of Autonomous Mobile Robots
A distributed model predictive control (DMPC) method based on robust control barrier function (RCBF) is developed to achieve the safe formation target of multi-autonomous mobile robot systems in an uncertain d...
-
Article
Unveiling the relationship between dislocation structure evolution and strain hardening behavior of S32654 super-austenitic stainless steel
Understanding the relationship between dislocation structure evolution and strain hardening behavior is crucial for the development of high-strength and high-ductility alloys. In this work, the strain hardenin...
-
Article
Flat Zn deposition at battery anode via an ultrathin robust interlayer
Rechargeable aqueous zinc (Zn) ion batteries (AZIBs) using low-cost and safe Zn metal anodes are considered promising candidates for future grid-scale energy storage systems, but the Zn dendrite problem severe...
-
Article
High temperature polyimide nanocomposites containing two-dimensional nanofillers for improved thermal stability and capacitive energy storage performance
Future electronic devices toward high integration and miniaturization demand reliable operation of dielectric materials at high electric fields and elevated temperatures. However, the electrical deterioration ...
-
Article
Microstructure, Mechanical Properties, and Corrosion Resistance of ER2209 Duplex Stainless Steel Manufactured by Plasma Arc Welding
The thin-walled part of ER2209 duplex stainless steel was prepared by plasma arc welding on the surface of Q235 substrate. The microstructure, mechanical properties, and corrosion resistance of the thin-walled...
-
Article
Graphite Wrapped FeNi3/Co with Carbon Nanotubes Anchored on MgO@Carbon Fiber Reinforcements via Continuous Fabrication for High-Efficiency Microwave Attenuation
Carbon fiber (CF) has emerged as a promising candidate for microwave absorbers to resolve the escalating electromagnetic wave (EMW) pollution issue, not just serving as a structural reinforcement. However, the...
