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Article
Open AccessSignificance of relative phase features for shouted and normal speech classification
Shouted and normal speech classification plays an important role in many speech-related applications. The existing works are often based on magnitude-based features and ignore phase-based features, which are d...
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Article
Effects of stochastic perturbations on the tree–grass coexistence in savannas
Savannas are widely distributed on the earth, and the growth of plants in savannas often encounters the environmental perturbations. In this research, based on a deterministic tree–grass savanna model proposed...
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Article
Insight into deformation allocation in the multi-pass roll forming of a double-walled brazed tube
Deformation allocation is an important factor that affects 720° curling forming from copper-coated steel strips to double-walled brazed tubes (DWBTs). In this study, four schemes of deformation allocation, con...
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Article
Open AccessHalloysite-gold core-shell nanosystem synergistically enhances thermal conductivity and mechanical properties to optimize the wear-resistance of a pheonlic-PBO/PTFE textile composite liner
Polymer-textile liner composites have potential applications in aerospace applications for reducing the abrasion damage of moving parts during operation owing to their self-lubrication, light weight, and high ...
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Article
Open AccessTopological structure of complex predictions
Current complex prediction models are the result of fitting deep neural networks, graph convolutional networks or transducers to a set of training data. A key challenge with these models is that they are highl...
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Article
Failure Envelopes of Single-Plate Rigid Helical Anchors for Floating Offshore Wind Turbine
Helical anchor is a kind of novel foundation for floating offshore wind turbines, which should be subjected to combined tensile loading caused by wind, wave and current. However, the research about the capacit...
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Article
Open AccessSynergistically assembled RGO/Si3N4 whiskers hybrid aerogels to endow epoxy composites with excellent thermal and tribological performance
Epoxy resin (EP) composites with satisfactory thermal and tribological performance are highly required for engineering moving components. However, the simple addition of fillers leaded to the serious filler ag...
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Article
Development of microstructure simulation methods of laser cladding layer
Laser cladding is a new additive manufacturing technology that has emerged in recent years. It offers the advantages of a dense cladding layer structure and good bonding with the substrate, making it suitable ...
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Article
Finite-time H∞ Control for Uncertain System With Time-varying Delay and Exogenous Disturbance
This paper is concerned with the problems of finite-time boundedness and finite-time H∞ control for a class of uncertain systems with time-varying delays and exogenous disturbance. By using appropriately chosen L...
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Article
Promotion of Ammonium Removal by a Synergistic System of Acinetobacter baumannii AL-6 and Modified Walnut Shell Biochar
Some severe conditions, such as acid conditions or high ammonium concentration, always inhibited biological ammonium removal in water. This study constructed a novel synergistic system of Acinetobacter baumannii ...
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Article
Biomimetic Preparation of Alumina Hierarchical Papillary Microrough Structure for Hydrophobic Improvement and Its Abrasion Resistance Finite Element Analysis
The surface of lotus leaves has a hierarchical micro–nano-rough structure. We determined that the papillary structure also possesses hierarchical features on the microscale. We used alumina particles as rough ...
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Article
Multi-indicator evaluation and material selection of hybrid additive-subtractive manufacturing to repair automobile panel dies and molds
Material selection has a decisive effect on the performance of products fabricated using hybrid additive-subtractive manufacturing (HASM). Current research is mainly focused on improving the mechanical propert...
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Article
Transient particle transport prediction based on lattice Boltzmann method-based large eddy simulation and Markov chain model
Fast and accurate prediction of particle transport is essential for the determination of as-needed mitigation strategies to improve indoor air quality. Several methods have been proposed to achieve this goal. ...
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Chapter and Conference Paper
Continual Learning for Morphology Control
In complex environment, the evolution of agent forms is pluralistic. How to evolve the ideal agent form in multiple environments is very challenging. In addition, the lifelong reinforcement learning of agents ...
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Chapter and Conference Paper
Velocity Control of Near Space Vehicle Based on Enhanced Pigeon-Inspired Optimization
The problem of near space vehicle (NSV) control has aroused widespread concern in recent years
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Chapter and Conference Paper
An Improved Siamese Capsule Networks Classification Method for Few Sample Remote Sensing Images
To address the problems of insufficient data and blurred details in remote sensing images under different scenarios, we propose a method to improve Siamese Capsule Networks for classification of remote sensing...
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Chapter and Conference Paper
Research on the Technology of Improving Flowback Performance of Fracturing Cleanup Additive
In order to enhance the flowback efficiency of fracturing fluid in the formation, improve the effect of oil well fracturing stimulation; we closed the more expensive non – ionic fracturing cleanup additive FT ...
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Article
Optimizing microstructure and mechanical properties of heat-treated Al-Zn-Mg-Cu alloy by indirect hot deformation technology
In this paper, the indirect thermal tensile experiments of 7075 aluminum alloy including the pre-deformation process at room temperature and the final heat tensile process were carried out, the plastic deforma...
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Article
Comparison of feasibility, microstructure and performance of hybrid laser arc, activated flux tungsten inert gas and friction stir welding for thick plate of innovative ultra-pure ferritic stainless steel
An innovative grade of ferritic stainless steel, ultra-pure 18Cr–2Mo thick plate, was designed and produced for special industrial application. In order to maintain its mechanical properties after joining, thr...
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Chapter and Conference Paper
Evolutionary Game of Green Credit Allocation in the Chemical Industry and Financial Institutions Under the Context of Carbon Neutrality
By constructing a game model involving chemical enterprises and financial institutions to analyze the logical motivation and game equilibrium results of various actors in the process of allocating green credit...
