622 Result(s)
within
Engineering
**-Peng Li
Article
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Article
Experimental investigation on bond performance of UHPFRC wet joint by direct tension test
Ultra-high-performance fiber-reinforced concrete (UHPFRC) is applied to joint nodes with its excellent mechanical properties, which helps to improve the force transfer performance of UHPFRC structures. The str...
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Interstitial Strengthening of a Cast and Wrought Ni-Based Heavy Density Matrix Alloy by Carbon Addition
An interstitial strengthened Ni-based heavy-density matrix alloy (Ni-37W-19Co-xC) was prepared by conventional casting and wrought metallurgy techniques, and the effect of carbon addition on the microstructure...
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Mechanical and dam** performances of TPMS lattice metamaterials fabricated by laser powder bed fusion
Lattice metamaterials based on three-period minimum surface (TPMS) are an effective means to achieve lightweight and high-strength materials which are widely used in various fields such as aerospace and ships....
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Enhancing Lateral Integrity of a Prestressed Concrete Box-Girder Bridge without Transverse Diaphragms: A Study on Strengthening Methods
This study established a finite element model to assess the impact of various transverse strengthening techniques on the **uzhen River Bridge, a prestressed concrete box-girder bridge. On-site experiments vali...
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Uniaxial Compression Testing of Sandstone under Microscope: Damage Characteristics and Failure Mechanisms
A compression module system placed under a microscope was utilized to conduct uniaxial compression testing of sandstone samples. The test system can acquire the image of crack propagation on the specimen surfa...
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Taas: Trust assessment as a service for secure communication of green edge-assisted UAV network
Green edge-assisted unmanned aerial vehicle (eUAV) network is an emerging network architecture enhanced with the energy efficiency technology that provides an ubiquitous communication for air and ground. It is...
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Power optimization in UAV-based wireless power transmission and collaborative MEC IoT networks
Internet of Things (IoT) devices will generate massive fragmented data that requires real-time computing and intelligent analysis, which makes it facing the challenge of insufficient computing resources and li...
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Crack Detection of the Urban Underground Utility Tunnel Based on Residual Feature Pyramid Attention Network
The defect detection in the urban underground utility tunnel faces the challenges of low illuminance and large shadow region. The images collected have problems such as noise and uneven illumination, posing hi...
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Three-phase-lag thermoelastic dam** analysis of graphene-reinforced laminated composite microplate resonators based on modified strain gradient theory
Functionally graded (FG) laminated micro/nanostructures reinforced with graphene nanoplatelets (GPLs) stand as one of the most promising candidates for composite structures due to the excellent thermo-mechanic...
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Stability Prediction of Surrounding Rock in Tunnel Crossing Fault Zone Based on Cusp Catastrophe Theory
To solve the practical engineering problem of cusp catastrophe theory in the prediction of surrounding rock stability. This paper establishes the cusp catastrophe equation in tunnel fault zones, according to t...
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Open AccessA gamepad-like nucleic acid testing device for rapid detection of SARS-CoV-2 via visible nested recombinase polymerase amplification
Nucleic acid tests are essential for the accurate diagnosis and control of infectious diseases. However, current assays are not easily scalable for a large population, due to the requirement of laboratory sett...
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Open AccessLightweight Intent Recognition Method Based on Diffusion Model
To address the challenges posed by imbalanced and limited battlefield data, which typically results in complex models prone to overfitting during training, we introduce a novel diffusion model grounded in Wass...
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An effective two-stage training scheme for boundary decision of imbalanced samples
How to categorize imbalanced data is an active research direction in data mining and machine learning research areas. In order to dynamically reduce the negative influence of imbalanced samples on the loss in ...
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Open AccessEmission characterizations and environmental impacts of off-road vehicles
This study measured particulate matter (PM) and gaseous pollutants in the exhaust of off-road vehicles (excavators, bulldozers) during idling and working. The fingerprint of metals in PM and the emission facto...
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Effect of Artificial Electric Field Surface by Wave-Driven Triboelectricity on Anti-Bioadhesion for Riser Protection
Biofouling has been a persistent problem in marine riser system, resulting in energy waste and equipment damage. In this study, a kind of water wave-driven contact-mode flexible triboelectric nanogeneration ha...
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Advances in information processing and biological imaging using flat optics
Flat optical components (metasurfaces) made from artificial electromagnetic materials (metamaterials) have opened new possibilities for the manipulation of electromagnetic waves within compact multifunctional ...
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Open AccessA lightweight contour detection network inspired by biology
In recent years, the field of bionics has attracted the attention of numerous scholars. Some models combined with biological vision have achieved excellent performance in computer vision and image processing t...
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Single image super-resolution via global aware external attention and multi-scale residual channel attention network
Recently, deep convolutional neural networks (CNNs) have shown significant advantages in improving the performance of single image super-resolution (SISR). To build an efficient network, multi-scale convolutio...
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High Temperature and High Pressure Sealing Performance Analysis and Optimization of Small Diameter Tubing Bridge Plug Rubber Tube
It is the key technology to reduce the pollution of production layer by using retrievable bridge plug to plug production string and carry out snubbing operation. This paper establishes the simulation calculati...
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Iron recovery and dephosphorization behaviors from high-phosphorus oolitic hematite by gas-based direct reduction and magnetic separation
With the depletion of high-quality iron ore resources, high-phosphorus oolitic hematite (HPOH) has attracted great attention due to its large reserve and relatively high iron content. However, HPOH is very dif...
