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Chapter and Conference Paper
Research on Elastic Wave Reverse Time Migration Method for Single Component Data
The seismic waves propagating in actual earth media include longitudinal and transverse waves, which are coupled together and have vector characteristics of multi-wave and multi-component. At present, land sei...
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Article
Integrating machine learning and CALPHAD method for exploring low-modulus near-β-Ti alloys
Traditional theoretical and empirical calculation methods can guide the design of β- and metastable β-alloys for bio-titanium. However, it is still difficult to obtain novel near-β-Ti alloys with low modulus. ...
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Article
A New Hybrid Cuckoo Quantum-Behavior Particle Swarm Optimization Algorithm and its Application in Muskingum Model
Based on the Cuckoo Search Algorithm (CSA) and the Quantum-Behavior Particle Swarm Optimization (QPSO), this paper propose a hybrid cuckoo quantum-behavior particle swarm optimization (C-QPSO). At first, the Q...
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Article
Richardson extrapolation method for 2D-SPP on VB mesh singularly perturbed convection–diffusion problem on a Vulanović–Bakhvalov mesh
This paper discusses the Richardson extrapolation technique of an upwind finite difference scheme on a modified Bakhvalov-type mesh (named Vulanović–Bakhvalov mesh) for a model singularly perturbed convection–...
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Chapter and Conference Paper
Automatic Construction Method of Training Samples for Deep Seismic Weak Signal Reconstruction
At present, many key exploration targets have the problems of deep burial, chaotic reflection, weak effective signal and low signal-to-noise ratio. It is necessary to effectively recover or reconstruct the dee...
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Article
A novel parameter-uniform numerical method for a singularly perturbed Volterra integro-differential equation
A novel parameter-uniform finite difference scheme on a Shishkin-type mesh for a singularly perturbed Volterra integro-differential equation is studied. The problem is discretized by the variable two-step back...
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Chapter and Conference Paper
Multi Information Joint Near Surface Q Modeling Method and Its Application
After decades of development, exploration and development of many old oilfields have been very deep, and fine exploration of complex subtle reservoir becomes one of the main directions. The absorption and atte...
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Article
Multilevel augmentation methods for eigen-problems of compact integral operators
In this paper, we combine the ideas of multilevel augmentation methods for solving integral equations and the shifted-inverse power method to develop a new multilevel augmentation method for solving eigen-prob...
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Article
Pseudo-spinodal mechanism approach to designing a near-β high-strength titanium alloy through high-throughput technique
The main reason for the high strength in near-β titanium alloys is the ultrafine precipitation of the acicular secondary α phase in the β matrix. The purpose of this study is to use the pseudo-spinodal mechani...
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Article
Decreased Plasma Pituitary Adenylate Cyclase Activating Polypeptide (PACAP) Levels are Linked with Disease Severity in Patients with Liver Cirrhosis
Pituitary adenylate cyclase activating polypeptide (PACAP) is a neuropeptide that has been found to reduce liver inflammation and protect liver from steatosis. We aimed to measure the level of plasma PACAP in ...
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Article
Open AccessAn efficient adaptive grid method for a system of singularly perturbed convection-diffusion problems with Robin boundary conditions
A system of singularly perturbed convection-diffusion equations with Robin boundary conditions is considered on the interval ...
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Chapter and Conference Paper
An Efficient Numerical Method for Reaction-Diffusion Problems Based on Particle Swarm Optimization Algorithm
In this paper, based on the standard particle swarm optimization algorithm, an efficient numerical method for solving a singularly perturbed reaction-diffusion problem on a Shishkin mesh. An upwind finite diff...
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Article
Highly Stretchable, Compressible, Adhesive, Conductive Self-healing Composite Hydrogels with Sensor Capacity
The design and fabrication of conductive hydrogels with high stretchability, compressibility, self-healing properties and good adhesion remains a significant challenge. We have fabricated composite hydrogels b...
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Article
Experimental Investigation of Phase Equilibria in the Fe-Cr-Si Ternary System
Isothermal sections of the Fe-Cr-Si ternary system at 1000 and 1100 °C were studied using x-ray diffraction, scanning electron microscopy and electron probe micro-analysis. Isothermal sections were identified ...
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Article
An improved Gaussian frequency domain sparse inversion method based on compressed sensing
The traditional compressed sensing method for improving resolution is realized in the frequency domain. This method is affected by noise, which limits the signal-to-noise ratio and resolution, resulting in poo...
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Article
A posteriori error estimation in maximum norm for a system of singularly perturbed Volterra integro-differential equations
In this paper, a system of singularly perturbed Volterra integro-differential equations is considered. The backward Euler formula is used to discretize the differential part and the right-hand rectangle rule i...
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Article
Open AccessNoninvasive model for predicting future ischemic strokes in patients with silent lacunar infarction using radiomics
This study aimed to investigate integrating radiomics with clinical factors in cranial computed tomography (CT) to predict ischemic strokes in patients with silent lacunar infarction (SLI).
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Article
A posteriori error estimation for a singularly perturbed Volterra integro-differential equation
A singularly perturbed Volterra integro-differential equation with an integrable singularity in the integral term is considered. The upwind difference method is used to discretize the singularly perturbed Volt...
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Article
A robust adaptive grid method for a nonlinear singularly perturbed differential equation with integral boundary condition
In this paper, the numerical solution of a nonlinear first-order singularly perturbed differential equation with integral boundary condition is considered. The discrete method is generated by a backward Euler ...
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Article
Erratum to: New high-strength Ti−Al−V−Mo alloy: from high-throughput composition design to mechanical properties
The original version of this article unfortunately contained a mistake.
