590 Result(s)
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Article
Electricity generated by upstream proton diffusion in two-dimensional nanochannels
The movement of ions along the pressure-driven water flow in narrow channels, known as downstream ionic transport, has been observed since 1859 to induce a streaming potential and has enabled the creation of v...
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Article
An effective defect engineering strategy for giant photoluminescence enhancement of MoS2 monolayers
Two-dimensional (2D) transition metal dichalcogenide (TMDC) materials are considered as promising candidates to extend Moore’s Law. However, the low photoluminescence (PL) quantum yield due to the inevitable d...
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Article
A review of ultrafast laser micro/nano fabrication: Material processing, surface/interface controlling, and devices fabrication
Ultrafast laser processing technology has offered a wide range of opportunities in micro/nano fabrication and other fields such as nanotechnology, biotechnology, energy science, and photonics due to its contro...
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Article
Defect-modulated and heteroatom-functionalized Ti3-xC2Ty MXene 3D nanocavities induce growth of MoSe2 nanoflakes toward electrocatalytic hydrogen evolution in all pH electrolytes
Reducing kinetic energy barriers and develo** accessible active sites are critical to deliver high hydrogen evolution reaction (HER) efficiency. In this paper, we synthesized defect-modulated and heteroatom ...
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Article
Synergy enhancement of Co single atoms and asymmetric subnanoclusters for Fenton-like activation
As a new water treatment technology, Fenton-like reaction has great potential. In this study, we successfully prepared an excellent Fenton-like catalyst, which is composed of cobalt monoatoms and asymmetric su...
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Article
More than just aligning the teeth: Clear aligners with multifunctional prowess
With the increasing demand for beauty and health, clear aligners (CAs) have been widely applied among patients with malocclusion. However, patients treated with CAs also face some potential complications, such...
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Article
Identification of working conditions and prediction of FeO content in sintering process of iron ore fines
The iron oxide (FeO) content had a significant impact on both the metallurgical properties of sintered ores and the economic indicators of the sintering process. Precisely predicting FeO content possessed subs...
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Article
Interaction mechanism between BaZrO3/Y2O3 refractory and Ti2Ni alloy melts
The titanium alloys with highly chemical activity require stable crucible refractories that can withstand the erosion of alloy melts. The phase composition and microstructure are crucial factors that affect th...
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Article
Elucidating the dependence of corrosion behavior and mechanical property on the grain structure of low-temperature as-extruded Mg–Zn–Ca–Zr alloy
In this work, the synergistic influences of grains structure, precipitate phase particles and crystal orientation on corrosion mechanism of low-temperature as-extruded Mg–4.6Zn–0.3Ca–0.4Zr (wt%) alloys were sy...
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Article
Effect of cooling method on TiN precipitation behavior of high-titanium high-strength steel during solidification
Metallographic microscopy, scanning electron microscopy and TiN growth thermodynamic and kinetic equations were used to investigate the morphology, quantity, and size of TiN in the center of high-titanium high...
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Article
Open AccessThe applications of flexible electronics in dental, oral, and craniofacial medicine
Dental, oral, and craniofacial diseases jeopardize health and reduce the quality of life. Accessing disease-related signals in advance is beneficial to prevent the occurrence or progression of those diseases. ...
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Article
Magnesium-containing pellet regulating blast furnace ferrous burden interaction: softening–melting behavior and mechanism
MgO participates in all stages of sintering, pelletizing, and blast furnace ironmaking, and synergistically optimizing the distribution of MgO in ferrous burden can effectively enhance the interaction within t...
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Article
Subsection cooling system of hot rolling silicon steel and its industrial application
An online subsection cooling method for hot rolling silicon steel was designed to achieve local adjustment of transverse roll gap. Particularly, it was able to meet the requirements of edge drop of the strip b...
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Article
Low-temperature deNOx performance and mechanism: a novel FeVO4/CeO2 catalyst for iron ore sintering flue gas
Develo** deNOx catalysts with lower activity temperatures range significantly reduces NH3 selective catalytic reduction (SCR) operating costs for low-temperature industrial flue gases. Herein, a novel FeVO4/CeO
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Article
Simultaneous Speech Extraction for Multiple Target Speakers Under Meeting Scenarios
The common target speech separation directly estimates the target source, ignoring the interrelationship between different speakers at each frame. We propose a multiple-target speech separation (MTSS) model to...
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Article
Influence of oxygen-rich hot air composite gas medium on sintering performance and function mechanism
Hot air sintering technology is used to improve the quality and production efficiency of sintered ore. However, the current thick layer condition highlights the disadvantage of the low oxygen potential of the ...
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Article
Experimental Study on Step-by-Step Electrical Discharge Machining of Square Blind Holes in TC4 Titanium Alloy
Square holes are characterized by high torque and good guidance. They are widely used in various industries, including aviation, aerospace, automobiles, and molding. In this study, a step-by-step electrical di...
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Article
Near-room-temperature water-mediated densification of bulk van der Waals materials from their nanosheets
The conventional fabrication of bulk van der Waals (vdW) materials requires a temperature above 1,000 °C to sinter from the corresponding particulates. Here we report the near-room-temperature densification (f...
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Article
Analysis of GaN crystal growth mechanism in liquid-phase epitaxial Na-flux method
The liquid-phase epitaxial growth (LPE) of GaN crystals on the MOCVD-GaN substrate using the Na-flux method was investigated under various growth times, 30, 60, 100, and 150 h. The morphology properties of as-...
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Article
Distinct element method simulation of mechanical properties of material layer of pellet belt roasting machine
The thick layer and graded feeding technology of a belt roasting machine is an effective method for improving the production efficiency and quality index of pellet production, and a reasonable design of the me...
