35,024 Result(s)
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Article
Systematic Narrowing of ZIF-8 Apertures via Controlled 2-Ethylimidazole Do** for Hydrogen/Carbon Dioxide Separation
Sodalite (SOD) zeolitic-imidazolate frameworks (ZIFs) with uniform angstrom scale apertures can offer high gas sieving ability for separation applications. Fixed apertures of ZIFs can effectively separate spec...
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Article
Change of Mechanical Properties of e-PTFE Support by Electrochemical Degradation in Polymer Electrolyte Membrane Fuel Cell
In polymer electrolyte membrane fuel cell (PEMFC), the cost and durability are main challenges to commercialization. To achieve the long-term durability target, the durability of PEMFC materials should be furt...
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Article
Balanced Fracturing and Cold-welding of Magnesium during Ball Milling Assisted by Carbon Coating: Experimental and Molecular Dynamic Simulation
The lignite-derived carbon from self-protection pyrolysis was employed to balance the fracturing and cold-welding of magnesium during ball milling. Particle size analysis indicates that the introduction of lig...
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Article
Effect of Fluoride on the Ion-association of Calcium Phosphate and Crystallization of Hydroxyapatite
Using a titration setup to accurately control the reaction conditions and in situ monitor the reaction, we showed that fluoride exhibited negligible effects on the ion association process of calcium and phosph...
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Article
Ultrathin GaN Film Derived from Amorphous Ga2O3 Film
It remains a big challenge to synthesize two-dimensional (2D) GaN material for applications in power nanodevices. Traditional synthetic methods require complex equipment and processes and time consuming. Here,...
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Article
Frequency-dependent Electrical Capacitance and Resistance of Ultra-high Performance Concrete and Their Responses to Compressive Strain
The frequency-dependent electrical properties and strain self-sensing behaviour of ultra-high performance concrete (UHPC) as cement-based stress/strain self-sensing (CBSS) smart materials were investigated in ...
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Article
Reward Function Design Method for Long Episode Pursuit Tasks Under Polar Coordinate in Multi-Agent Reinforcement Learning
Multi-agent reinforcement learning has recently been applied to solve pursuit problems. However, it suffers from a large number of time steps per training episode, thus always struggling to converge effectivel...
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Article
Recent Advances in Co3O4-Based Hybrid Structures for Water Electrolysis
Water electrolysis in association with electrocatalysts, has been indicated as a pivotal pathway to produce hydrogen and could tackle the issues related to the carbon footprint. Co3O4-based hybrid structural mate...
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Article
Effect of Fe2O3 on the Structure, Physical Properties and Crystallization of CaO-Al2O3-SiO2 Glass
The calcium aluminosilicate-based glasses (CaO-Al2O3-SiO2, CAS) with different Fe2O3 content (0.10wt%, 0.50wt%, 0.90wt%, and 1.30wt%) were prepared by traditional melt-quenching method. The glass network structur...
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Article
Path Planning Based on A-Star and Dynamic Window Approach Algorithm for Wild Environment
The path planning problem of complex wild environment with multiple elements still poses challenges. This paper designs an algorithm that integrates global and local planning to apply to the wild environmental...
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Article
Plastic-Derived Solid Acid Catalysts for the Production of Methyl 2-Hydroxyisobutyrate via Esterification
In this study, we successfully prepare solid acid catalysts using plastic as the starting material for the production of methyl 2-hydroxyisobutyrate (HBM) through the esterification of 2-hydroxyisobutyric acid...
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Article
Furfural Recovery from Kenaf Using High-Pressure CO2 for 1,4-Butanediol Production
This study aimed to propose a method for producing 1,4-butanediol (1,4-BDO) from inedible lignocellulosic biomass (e.g., kenaf). The process involved high-pressure CO2-catalyzed hydrolysis and dehydration to obta...
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Article
Temperature-controlled DCP Fluorescent Probe Based on Hydrogel-immobilized Quantum Dots Composite
A composite was created by incorporating the quantum dot-enhanced SiO2 nanoparticles within this hydrogel. Based on this composite, a temperature-controlled fluorescent probe for DCP was developed. A meticulous e...
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Article
Deterioration Reason and Improvement Measure of the Retarding Effect of Protein Retarder on Phosphorus Building Gypsum
The retarding effect of protein retarder on phosphorus building gypsum (PBG) and desulfurization building gypsum (DBG) was investigated, and the results show that protein retarder for DBG can effectively prolo...
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Article
Preparation and Thermal Stability of AlMoON Based Solar Selective Absorption Coating
AlMoON based solar selective absorption coatings were deposited on stainless steel substrate by magnetron sputtering. The coatings included infrared reflection layer Mo, absorption layer AlMoN, absorption laye...
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Article
Green Synthesis of Iron (II, III)-polyphenol Nanoparticles and Their Adsorption of Malachite Green
Three kinds of iron nanoparticles (FeNPs) were prepared via green route based on pomegranate (PG), green tea (GT), and mulberry (ML) extracts under ambient conditions. The obtained materials were characterized...
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Article
Influence of Mass Ratio of Resin and Stabilizer on Mechanical Properties of Mo Fiber-reinforced Granite Polymer Composite
Because inferior mechanical strength of granite polymer composite (GPC) has become the main drawback limiting its application and popularization, Mo fibers were added into (GPC) to improve its mechanical stren...
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Article
Leader-Following Consensus of Multi-Agent Systems via Fully Distributed Event-Based Control
This paper aims to study the leader-following consensus of linear multi-agent systems on undirected graphs. Specifically, we construct an adaptive event-based protocol that can be implemented in a fully distri...
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Article
Heuristic evaluation for progressive additive manufacturing of industrial bending tubes based on reconfigurable transfer learning
This paper introduced a heuristic evaluation method for progressive additive manufacturing (AM) of industrial bending tubes by integrating transcendental simulations based on reconfigurable transfer learning (...
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Article
Preparation of Manganese Oxide and Its Adsorption Properties
The in-situ oxidation of manganese sulfate solution with H2O2, sodium hypochlorite, potassium permanganate and oxygen as oxidants was investigated by means of SEM, EDS, XRD, BET and infrared analysis, and the eff...
