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1,716 Result(s)
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Article
Comparative study on a deactivation kinetic model based on fractional conversion of solid in fluid/solid heterogeneous processes
In this work, the definition of deactivation kinetic model (DKM) has been given under some assumptions and its features were illustrated through comparison with prior kinetic models such as DM (deactivation mo...
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Exploring the Predominant Factors Influencing the Oxygen Reduction Performance of PtCo/C Catalysts
PtCo nanoalloys (NAs) deposited on carbon black are emerging as robust electrocatalysts for addressing the sluggish kinetic issue of oxygen reduction reaction (ORR). However, develo** a simple and low-cost m...
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Upcycling waste sewage sludge into superior single-atom Fenton-like catalyst for sustainable water purification
The worldwide generation of waste sludge emanating from municipal wastewater treatment plants amounts to 80–90 million tons of dry matter annually and continues to escalate, posing a substantial economic and e...
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Efficient elimination of trace iodide ions from medical wastewater by Cu/Cu2O@AC composites
Cu/Cu2O-modified activated carbon composites (Cu/Cu2O@AC) were synthesized via an one-step solvothermal method. The characterization results indicated that copper was uniformly dispersed on the surface of AC as n...
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Article
Sustainable lignocellulosic-based sponge with Janus salt-tolerant structure for efficient solar steam generation
Solar Vapor Generation (SVG) is a new green production technology that is gaining increasing attention for obtaining fresh water from seawater or wastewater. Currently, the evaporator substrates face challenge...
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Theoretical Study of the Anti-CO Poisoning of Pt(111) Catalyst in the Presence of Nafion
The research on the anti-CO poisoning performance of Pt catalyst for direct methanol fuel cell (DMFC) has been the focus of scientists. Nafion membrane is one of the indispensable components in DMFC. In this p...
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Liquid-phase hydrogenation of dimethyl maleate to 1,4-butanediol over a sorbitol-modified Cu@C/ZnO catalyst
With the growing global demand for biodegradable plastics, the hydrogenation of dimethyl maleate (DMM) to produce 1,4-butanediol (BDO), raw materials for poly(butylene succinate), has become one of the hot spo...
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Article
Preparation and Characterization of Nb2O5/C-CNT Catalysts for the Selective Oxidation of Cyclopentene to Glutaraldehyde
A series of niobium-based catalysts with carboxylated multi-walled carbon nanotube (C-CNT) as support were prepared by modified wet-chemical technique under ultrasonication. Three types of catalysts with activ...
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Article
Effects of particle size and oil-immersed concentration on the dust layer minimum ignition temperature and combustion characteristics of oil-immersed coal
This paper studied the minimum ignition temperature of the dust layer (MITL) of oil-immersed coal and the heat effect and apparent activation energy (Ea) of raw coal and oil-immersed coal. Based upon the results,...
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Article
Insulation performance of a new annular heated air curtain in cold-region tunnels: numerical modeling, effects analysis, and prediction
In order to cope with the frost damage problems that occur in cold-region tunnels, the engineers have proposed the measure of setting up a heated air curtain at the tunnel entrance. In this paper, a three-dime...
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Article
Optimizing the π-Bridge of Non-fullerene Acceptors to Suppress Dark Current in NIR Organic Photodetectors
Recently, the rapid development of non-fullerene acceptors (NFAs) has laid the foundation for performance improvements in near-infrared (NIR) organic photodetectors (OPDs). However, reducing the bandgap of NFA...
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Correction to: Synthesis of Porous Polymer Based Solid Acid Catalyst towards Room Temperature Thioacetal/Thioketal Formation
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Article
Surface Ir-Ti Alloy Formed via Strong Metal − Support Interaction over Ir/TiO2
The strong metal-support interaction and its chemical nature was examined over a Ir/TiO2 catalyst, constructed by dispersing 2 nm Ir colloids on the {001} facets of anatase TiO2. Air-calcination of the Ir/TiO2 sa...
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Investigation of Diamond/Metallic Film Interface and Valence Electron Structure Analysis of Diamond Growth
The diamond/metallic film interface has been studied using transmission electron microscopy and electron backscatter diffraction. This interface is significant in the graphite/diamond transition procedure, whe...
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Identification of Active Phase for Complete Oxidation of Methane on Palladium Surface
Palladium (Pd)-based catalysts have received extensive attention for their outstanding performance in the complete oxidation of methane (CH4). A fundamental understanding of the reaction mechanism, particularly t...
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Unveiling the Influence of Metal Oxides on Multifaceted Polypyrrole Nanocomposite Properties
The addition of metals or metal oxides (MOs) into polypyrrole (PPy) could facilitate the effective incorporation of the features of a parent component into novel nanocomposites. As such, this present study use...
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Article
The effect of ester and ether ratio on air permeability, windproof and mechanical properties of solvent-free water-based polyurethane foam
Solvent-borne polyurethane (PU) is the main product in PU synthetic leather, which has soft handling, breathability, and moisture permeability properties by wet type. The PU film would produce the irregular fo...
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Article
Hollow Multishelled Structure: Synthesis Chemistry and Application
Hollow multishelled structure (HoMS), a promising and complex multifunctional structural system, features at least two shells that are separated by internal voids. The unique structure endows it with numerous ...
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Article
In situ Preparation and Visible-light-driven Photocatalytic Degradation Performance of Nano 3C-SiC@Multilayer Graphene Oxide Heterostructure
Nano 3C-SiC@multilayer graphene oxide (NS@MGO) heterostructure was in situ prepared by carbothermal reduction of pyrolyzed precursor composed of highly dispersed cured phenolic resin and silicon dioxide derived f...
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Viral metagenome reveals microbial hosts and the associated antibiotic resistome on microplastics
Microplastics provide a unique niche for viruses, promoting viral interactions with hosts and accelerating the rapid ‘horizontal’ spread of antibiotic resistance genes (ARGs). Currently, however, there is a la...