687 Result(s)
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Open AccessA hybrid encryption approach for efficient and secure data transmission in IoT devices
Security is a crucial concern in the Internet of Things (IoT) ecosystem. Due to IoT devices' constrained processing and storage resources, providing reliable security solutions is challenging. Encryption is on...
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Enhancement in the Hg0 oxidation efficiency and sulfur resistance of CuCl2-modified MnOx-CeOx nanorod catalysts
In this study, a series of CuCl2-modified MnOx-CeOx nanorods were synthesized for the oxidation of Hg0. The addition of CuCl2 resulted in an enhancement in the catalyst’s Hg0 oxidation ability, and Hg0 oxidation ...
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High-performance and multifunctional organic photovoltaic devices
Organic photovoltaic devices (OPVs) are emerging as a promising renewable energy source for the future. Their unique advantages, such as semitransparency, light weight, superior flexibility, and low cost, enab...
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Open AccessDetection research of insulating gloves wearing status based on improved YOLOv8s algorithm
The safety hazards may be caused by power grid operators not wearing insulating gloves according to regulations for live electrical working. Additionally, existing methods for detecting the wearing status of i...
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A learning-based control pipeline for generic motor skills for quadruped robots
Performing diverse motor skills with a universal controller has been a longstanding challenge for legged robots. While motion imitation-based reinforcement learning (RL) has shown remarkable performance in rep...
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Geometrical transition properties of vortex cavitation and associated flow-choking characteristics in poppet valves
Poppet valves have become increasingly significant in ensuring precise digital flow rate and pressure control in hydraulic systems, necessitating a more profound understanding of the geometrical properties of ...
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Corrosion behavior and protection mechanism of carbon steel coated with ethylene chlorotrifluoroethylene (ECTFE)
Ethylene chlorotrifluoroethylene (ECTFE) coating was applied to the surface of carbon steel through electrostatic spraying and low-temperature heat treatment. The morphology and structure of the coating were a...
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Monotonic mechanical behaviour of compacted completely decomposed granite with various inclusion levels of incineration bottom ash
**年来, 不断增加的生活垃圾产生了大量的焚烧残渣(IBA). 同时, 考虑到土建材料的巨大用量需求和有限的自然资源, 充分利用固废材料变得越来越重要. 本研究通过静三轴试验, 研究了在不同的IBA体积含量和不同的压实全分化花岗岩(CDG)压实度下, IBA对CDG试样静力学特性的影响. 结果表明, 随着IBA体积含量的增加, 最大偏应力或抗剪**度逐渐增大, 呈双线性增加趋势. 当IBA的体积含量超过某一特征值时, ...
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Open AccessInvestigating the effect of changing the geometric characteristics on the seismic behavior of the yielding shear panels
The use of different types of shear panels as a large group of yielding dampers has been investigated. Acceptable seismic behavior such as stiffness and high deformation capacity, appropriate lateral resistanc...
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Open AccessEnhanced Whale Optimization Algorithm for task scheduling in cloud computing environments
The escalation of cloud services, driven by their accessibility, improved performance, and cost-effectiveness, has led cloud service providers to consistently seek methods to expedite job completion, thereby b...
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Open AccessStudy on the resistance coefficient of hot dry rock cuttings in Herschel-Bulkley fluid: experiments and modeling
Most hot dry rock geothermal wells are small angle directional wells, and rock cuttings easily accumulate at the bottom of the borehole to form a cuttings bed, causing accidents such as drill sticking, reducin...
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Preparation and properties of poly(ethylene glycol)-b-poly(3-acrylamidophenylboronic acid) glucose responsive particles and their hyaluronic acid-based microneedle patches
To overcome the pain and risk of hypoglycemia in insulin administration, glucose-responsive microneedles have been developed by researchers, which could release insulin according to the blood glucose level. We...
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Comparative analysis between single-train passing and double-train intersection in a tunnel
Aerodynamic pressure significantly impacts the scientific evaluation of tunnel service performance. The aerodynamic pressure of two trains running in a double-track tunnel is considerably more complicated than...
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Emerging applicability of two-dimensional boron for energy catalysis
Due to their unique physical and chemical properties, two-dimensional (2D) boron nanosheets have received tremendous research attention and demonstrated substantial value in electronic devices, biomedicine, an...
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Investigation on the resilient modulus of soil mixture at various water contents and coarse grain contents under train moving loads
Interlayer soil in railway substructures is characterized by a fine/coarse soil mixture. Considering that the resilient modulus Mr of the mixture is influenced by the microstructure of fine soil, it is worthwhile...
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Open AccessPerformance analysis of deep learning-based object detection algorithms on COCO benchmark: a comparative study
This paper thoroughly explores the role of object detection in smart cities, specifically focusing on advancements in deep learning-based methods. Deep learning models gain popularity for their autonomous feat...
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Open AccessInvestigation of mechanical properties of high-performance concrete via optimized neural network approaches
In this paper, an artificial intelligence approach has been employed to analyze the slump and compressive strength (CS) of high-performance concrete (HPC), focusing on its mechanical properties. The importance...
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A method for support stiffness failure identification in a steel spring floating slab track of urban railway: a case study in China
The extensive use of steel spring floating slab tracks has effectively addressed the challenge of alleviating the environmental vibrations induced by urban rail transit systems. However, under the combined act...
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Recent progress in the development of dielectric elastomer materials and their multilayer actuators
Dielectric elastomers (DEs) have emerged as one of the most promising artificial muscle technologies, due to their exceptional properties such as large actuation strain, fast response, high energy density, and...
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Stress relaxation properties of calcium silicate hydrate: a molecular dynamics study
The time-dependent viscoelastic response of cement-based materials to applied deformation is far from fully understood at the atomic level. Calcium silicate hydrate (C-S-H), the main hydration product of Portl...