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**xi Ma
Engineering
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Article
Experimental Study on the Diesel Injection Pressure of Homogeneous Charge Induced Ignition for Multi-cylinder Operation
Homogeneous charge-induced ignition (HCII), which uses trace diesel to induce the ignition of gasoline pre-mixture, is characterized by rapid lean combustion and is generally regarded as efficient, clean and c...
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Article
Efficient evolutionary neural architecture search based on hybrid search space
Manually designed convolutional neural networks have demonstrated excellent performance in various domains, but designing neural networks suitable for specific tasks poses significant challenges, and the emerg...
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Article
Open AccessBifurcation in an modified model of neutrophil cells with time delay
The hematological stem cells model is introduced with neutrophil dynamics of two department model setting forth. During the cells differentiation and proliferation process, the neutrophils are functioned with ...
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Article
A mixed-coordination electron trap**-enabled high-precision touch-sensitive screen for wearable devices
Touch-sensitive screens are crucial components of wearable devices. Materials such as reduced graphene oxide (rGO), carbon nanotubes (CNTs), and graphene offer promising solutions for flexible touch-sensitive ...
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Article
Study on the Effect of Carbonation on the Mechanical Properties of Lime Modified Waste Clay
A large amount of waste clay is generated in shield tunnel engineering. Although the physical properties such as the unconfined compressive strength of the clay have been improved through lime modification, so...
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Article
Adaptive connected hybrid beamforming for energy efficiency maximization in multi-user millimeter wave systems
Energy efficiency (EE) is a key enabler for sustainable green millimeter wave (mmWave) communication. However, conventional hybrid beamforming methods suffer from energy efficiency performance loss due to hard...
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Article
Investigation on the focusing and separation of polystyrene microbeads in an integrated microfluidic system using magnetized functionalized flexible micro-magnet arrays
Focusing and separation of cells by microfluidic techniques are significant steps in many applications, such as single-cell analysis and disease diagnosis. Among the microfluidic techniques, passive magnetopho...
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Article
Open AccessMultifunctional Film Assembled from N-Doped Carbon Nanofiber with Co–N4–O Single Atoms for Highly Efficient Electromagnetic Energy Attenuation
Asymmetrically coordinated Co–N4–O sites on N-doped carbon nanofiber were prepared.
Co–O coordination along the axial direct...
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Article
Open AccessEvolution of Long-Term Load Reduction Using Borrowed Soil
The effectiveness of load-reduction techniques often diminishes due to creep behavior observed in geomaterials, as loess backfill is used, the load reduction rate of high-filled cut-and-cover tunnels (HFCCTs) ...
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Article
Open AccessEvaluation on Configuration Stiffness of Overconstrained 2R1T Parallel Mechanisms
Currently, two rotations and one translation (2R1T) three-degree-of-freedom (DOF) parallel mechanisms (PMs) are widely applied in five-DOF hybrid machining robots. However, there is a lack of an effective meth...
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Article
Diffraction of plane P waves by a circular unlined tunnel in an unsaturated poroelastic half-space
In the study of circular unlined tunnel, scholars commonly simplify the foundation to be single-phase or saturated soil. However, such conditions are relatively rare; unsaturated soil remains the predominant s...
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Article
Influence of Cathode Materials on the Characteristics of Lithium-Ion Battery Gas Generation During Thermal Runaway
Gas generation of Lithium-ion batteries(LIB) during the process of thermal runaway (TR), is the key factor that causes battery fire and explosion. Thus, the TR experiments of two types of 18,650 LIB using LiFe...
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Article
Aerosol injection in soft soils: permeability enhancement by fractures
In our recent paper, we reported the development and application of the aerosol injection technique to accelerate the consolidation in soft soils. Aerosol injection technique is a process that involves injecti...
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Open AccessDifferential characteristics of lithological assemblages and gas-bearing of the Permian Longtan Formation mudstone in well L3, southeastern Sichuan Basin
As the main reservoir of coalbed gas in southeastern Sichuan, the mudstone of the Permian Longtan Formation has been drilled to obtain industrial gas, but the level of exploration and development is low. The r...
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Article
A new MCDM integrating fuzzy rough set and TOPSIS method
In this paper, by integrating the advantages of multi-granulation fuzzy rough set (MGFRS) and variable precision fuzzy rough set (VPFRS), we introduce a new model of multi-granulation granular variable precisi...
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Article
CT-MFENet: Context Transformer and Multi-Scale Feature Extraction Network via Global-Local Features Fusion for Retinal Vessels Segmentation
Segmentation of the retinal vessels in the fundus is crucial for diagnosing ocular diseases. Retinal vessel images often suffer from category imbalance and large scale variations. This ultimately results in in...
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Article
On an Ambrosetti–Prodi type problem for a class of fourth-order ODEs involving Dirac weights
The aim of this paper is to establish an Ambrosetti–Prodi type result involving Dirac weights $$\begin{aligned} \left\{ \begin{array}{ll} u'''...
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Article
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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Article
Open AccessHigh Density 3D Carbon Tube Nanoarray Electrode Boosting the Capacitance of Filter Capacitor
A novel method is developed for precise control over the structure of 3D anodic aluminum oxide templates, enabling fine-tuning of both the vertical pore diameter and interspace...
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Article
Two-dimensional hyperchaotic effect coupled map** lattice and its application in dynamic S-box generation
This paper presents a method for the construction of dynamic S-boxes using the Two-Dimensional Hyperchaotic Effect Coupled Map Lattice (2D-HECML) system. Initially, we design an Enhanced M-Sequence for the sel...
