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391 Result(s)
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Article
Boosting Stability and Efficiency: Defect-Rich Pd/NC Catalysts for Nitric Acid Reduction to Methyl Nitrite
Reduction of nitric acid reaction (2NO + HNO3 + 3CH3OH → 3CH3ONO + 2H2O) can convert by-product nitric acid into raw material methyl nitrite in the coal to ethylene glycol (CTEG) technology. This not only realize...
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Article
Detection methods for antibiotics in wastewater: a review
Antibiotics are widely used as fungicides because of their antibacterial and bactericidal effects. However, it is necessary to control their dosage. If the amount of antbiotics is too much, it cannot be comple...
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Article
Dually Confined Ni-based Catalysts by Ion-Exchange Inverse Loading for Dry Reforming of Methane
Producing syngas from dry reforming of methane is fascinating but challenging because of coking and sintering. Herein, fine Ni nanoparticles surrounded by Al2O3 are constructed by ion-exchange inverse loading met...
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Enhancing CO2 Hydrogenation to Methanol via Constructing Cu–ZnO–La2O3 Interfaces
Catalytic conversion of CO2 to methanol with H2 from renewable energy has attracted increasing interest as a promising strategy for reducing excessive CO2 emissions. However, the performance of reported various c...
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Triggering effect of ultra small Pd nanoparticles on hydrogenation of tetraacetyldibenzylhexaazaisowurtzitane (TADBIW)
Herein, we prepared Pd nanoparticle (NP) catalysts using XC-72 carbon supports through a tailored deposition–precipitation method. Our primary objective was to unravel the size effects of Pd NPs on hydrogenati...
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Article
Monotonic mechanical behaviour of compacted completely decomposed granite with various inclusion levels of incineration bottom ash
**年来, 不断增加的生活垃圾产生了大量的焚烧残渣(IBA). 同时, 考虑到土建材料的巨大用量需求和有限的自然资源, 充分利用固废材料变得越来越重要. 本研究通过静三轴试验, 研究了在不同的IBA体积含量和不同的压实全分化花岗岩(CDG)压实度下, IBA对CDG试样静力学特性的影响. 结果表明, 随着IBA体积含量的增加, 最大偏应力或抗剪**度逐渐增大, 呈双线性增加趋势. 当IBA的体积含量超过某一特征值时, ...
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Article
Side-Chain-Type Polyimide-Cu Complexes with Suppressed Activation Energy of Relaxation for Advanced High-Temperature Capacitor
The burgeoning growth of the new energy vehicles and aviation industry has escalated the need for energy storage capacitors capable of stable operation in harsh environments. The advent of metal-polyimide comp...
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Article
Open AccessRecent Progress in Sodium-Ion Batteries: Advanced Materials, Reaction Mechanisms and Energy Applications
For energy storage technologies, secondary batteries have the merits of environmental friendliness, long cyclic life, high energy conversion efficiency and so on, which are considered to be hopeful large-scale...
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Article
Characteristic of AMPS-Based Self-Healing Material and the Effect on the Properties of Oil Well Cement Slurry
The self-healing cement used in oil wells aims to provide long-term interlayer isolation by enabling the cement system to repair itself. This paper compared the absorption properties of 2-acrylamido-2-methyl p...
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Article
Enzyme-assisted extraction of essential oil from Cinnamomum longepaniculatum (Gamble) N. Chao ex H. W. Li and anxiolytic activity
This work was designed to evaluate the effect of four enzyme-assisted extraction (EAE) combined hydrodistillation (HD) methods on the yield, microstructure and chemical composition of essential oil (EO) from l...
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Article
Dielectric Constant Calculation of Poly(vinylidene fluoride) Based on Finite Field and Density Functional Theory
In this study, we proposed a novel method that integrates density functional theory (DFT) with the finite field method to accurately estimate the polarizability and dielectric constant of polymers. Our approac...
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Article
Holographic Polymer Nanocomposites with High Refractive Index Modulation by Do** Liquid Crystal E6M
Holographic optical elements (HOEs) based on polymer composites have become a research hot spot in recent years for augmented reality (AR) due to the significant improvement of optical performance, dynamic ran...
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Article
Structural Properties of Ions and Polyelectrolytes in Aqueous Solutions under External Electric Fields: The Sign Effect
We utilize molecular dynamics simulations to investigate the microstructures of ions and polyelectrolytes in aqueous solutions under external electric fields. By focusing on the multi-body interactions between...
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Article
Fabrication of Molecularly Imprinted Electrospun Nanofibers with Mono-amidoxime Functional Ligand for Efficient Decontamination of Toxic Organophosphates
There is an urgent imperative to discover practical and efficacious artificial catalysts for the expeditious decontamination of toxic organophosphates. Herein, we propose a novel molecularly imprinted approach...
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Article
Highly Transparent Fire-resistant Coatings with Intumescent Three-source Integration
Wood, a readily available and sustainable natural resource, has found widespread use in construction and furniture. However, its inherent flammability poses a potential fire risk. Although intumescent fire-ret...
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Interaction Between Ru Nanoparticles and Pr6O11 Triggers Catalytic Ammonia Synthesis
The essential role of metal–support interaction in ammonia synthesis was investigated by using a Pr6O11 supported Ru nanoparticles (NPs) catalyst system. Loading of Ru NPs onto the Pr6O11 support with relatively ...
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Article
The Regulation of Surface Copper Species Coupled with Ammonia-Evaporation and Hydrothermal Aging Process to Enhance Catalytic Hydrogenation Properties of Cu–SiO2 Catalysts
The ammonia-evaporation method is one of the most commonly methods for preparing Cu–SiO2 catalysts, and the improvement of this method is desirable. This work showed that it could improve the catalytic performanc...
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Article
Solvent Shared Ion Pairs and Direct Contacted Ion Pairs in LiCl Aqueous Solution by IR Ratio Spectra
The local structure and molecular interactions of Li+ salt in aqueous solutions is important in many fields. However, whether solvent shared ion pairs and the direct contact ion pairs exist in aqueous LiCl soluti...
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Article
Increased hydrophilicity and anti-fouling effect of orthokeratology lenses coated with NVP and PEGMA by plasma-enhanced chemical vapor deposition
Plasma-enhanced chemical vapor deposition (PECVD) is a vacuum plasma treatment procedure for the deposition of thin film on a substance, which was first used on orthokeratology lenses (ortho-k lenses) in order...
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Significantly Enhanced Energy Storage Performances of PEI-based Composites Utilizing Surface Functionalized ZrO2 Nanoparticles for High-Temperature Application
Polymer dielectrics with a high energy density and an available energy storage capacity have been playing an important role in advanced electronics and power systems. Nevertheless, the use of polymer dielectri...