177 Result(s)
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Article
Influence of pier height on the safety of trains running on high-speed railway bridges during earthquakes
Sudden earthquakes pose a threat to the running safety of trains on high-speed railway bridges, and the stiffness of piers is one of the factors affecting the dynamic response of train-track-bridge system. In ...
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Article
Abnormal Cu Grain Growth by External Stress on Electroplated Cu Films
In this study, the effect of external stress on the Cu microstructure evolution of electroplated Cu films was studied. We found that, with applying external compressive stress, abnormal grain growth occurred i...
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Article
Dissolution Behavior of Cu-2.0 wt.% Be (Alloy 25) and Cu-0.1 wt.% Fe (C19210) Substrates in Molten Sn-9 wt.%Zn Solder
This study investigates the dissolution behavior of the Cu-2.0 wt.% Be (Alloy 25) and Cu-0.1 wt.% Fe C19210 substrates in Sn-9 wt.%Zn solder (SZ) at temperatures of 240°C, 270°C, and 300°C for 5–100 min. The c...
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Article
Open AccessInterleaved step-down converter with capacitor-diode voltage splitter and minimum switches for low current ripple and extra-low voltage ratio
This paper proposes an interleaved step-down converter (ISDC) with a capacitor-diode voltage splitter. Even though the ISDC only utilizes two active switches, it can significantly step down a high input voltag...
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Article
Research progress of permanent ferrite magnet materials
Permanent ferrite magnet materials are extensively employed due to their exceptional magnetic properties and cost-effectiveness. The fast development in electromobile and household appliance industries contrib...
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Article
Enhancing cadmium biosorption capacity in E. coli through heterologous expression of metal-chelating proteins: Insights into bioremediation potential and mechanisms
Cadmium (Cd) is a biologically non-essential and toxic heavy metal that enters the environment through natural emissions or anthropogenic activities, posing threats to human health. The efficient expression of...
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Adsorption of Cr(VI) on calcined MgAl-layered double hydroxides and recycling of spent adsorbents for the removal of organic dyes
Adsorption is considered an effective strategy for removing Cr(VI) from wastewater, but disposal of spent adsorbents is still a thorny problem. This work aims to develop an efficient adsorbent for Cr(VI) remov...
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Experimental study on electrode materials characteristics for dewatering and remediation of copper-contaminated sediment from Tai Lake based on vacuum electro-osmosis
The vacuum electro-osmosis method enables integrated treatment of heavy metal-contaminated sediments by simultaneously removing water and pollutants. This study focuses on the dredged sediments from Tai Lake a...
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Article
Bearing effect of arched frame structures with longitudinal connections in large-section tunnels
Aiming to improving the out-of-plane instability of I-steel arches in large-section tunnels, this study conducted the full-scale test of a single arch, the numerical test of the arched frame structures formed ...
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Article
Damage mechanism and fracture evolution of rock containing defects with LCEM-GFEM method under explosive load
Defects in rock masses have significant influence on the fracture propagation during blasting. In this study, a numerical model is developed using the local cohesive element based on the global finite element ...
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Article
Gradient descent based restoration method of track irregularity in asymmetric chord reference method
This paper proposes a gradient descent based restoration method of track irregularity. Based on the theory of asymmetric chord-reference method (CRM), the restoration of track irregularity is described as an o...
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Open AccessEditors’ Choice 2023
The Editorial Board and Editorial Team are delighted to present a selection of short Research Highlights describing some of our favourite Communications Engineering publications of 2023.
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Article
Review of the development status of rock burst disaster prevention system in China
Deep-land resource exploitation is a crucial focus of future scientific and technological development in China. However, with the increasing depth of coal mining, rock burst disasters occur frequently, posing ...
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Article
Open AccessFabrication and performance of highly stacked GeSi nanowire field effect transistors
Horizontal gate-all-around field effect transistors (GAAFETs) are used to replace FinFETs due to their good electrostatics and short channel control. Highly stacked nanowire channels are widely believed to enh...
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Article
Open AccessSelf-supervised deep learning for tracking degradation of perovskite light-emitting diodes with multispectral imaging
Emerging functional materials such as halide perovskites are intrinsically unstable, causing long-term instability in optoelectronic devices made from these materials. This leads to difficulty in capturing use...
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Hollow structured SnO2/NxC composites: Preparation approach and promising performance in lithium-ion battery
Despite the high theoretical capacity as the anode material adopted in lithium-ion batteries, SnO2 materials undergo rapid capacity fading and low-rate performance due to the significant volume change and poor co...
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Experimental study on influence of lithology on directional propagation law of type-I cracks
To study the influence of lithology on the directional propagation law of rock type-I cracks, a simple crack directional propagation device was used to conduct loading tests on three rock types. The acoustic e...
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Article
Investigating particle breakage and compressibility characteristics of unbound aggregate materials recycled from building demolition wastes
The use of recycled building demolition wastes (BDWs) as unbound aggregate materials (UAMs) is one of the resource-conserving, economical, and eco-friendly alternatives for pavement base/subbase construction. ...
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Article
Synthesis of hetero-site nucleation twisted bilayer MoS2 by local airflow perturbations and interlayer angle characterization
Twisted bilayer transition metal dichalcogenides including MoS2 have attracted great interest due to their unique Moiré superlattice induced electronic flat bands. High-quality twisted bilayer TMDs with uniform M...
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Estimating crack closure and damage stress thresholds of rock during uniaxial compression based on axial plastic strain
The quantitative determination of crack stress thresholds is of great significance to comprehend the deformation and failure of rock. In the study, we proposed a new model to estimate the crack closure and cra...
