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Gas diffusion in catalyst layer of flow cell for CO2 electroreduction toward C2+ products
The use of gas diffusion electrode (GDE) based flow cell can realize industrial-scale CO 2 reduction reactions (CO 2 RRs). Controlling local CO 2 and CO...
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Optimization of the Solution Composition for the Chemical Removal of a Diffusion Coating during the Repair of Gas Turbine Blades
AbstractThe results of choosing the solution composition for the chemical removal of diffusion coatings during the repair of gas turbine engine...
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Fractal Study on the Effective Diffusion Coefficient of Gases in Rough Porous Media
Since the internal structure of actual porous media has irregularity and complexity and is rough on the surface, it cannot be characterized...
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Gas diffusion electrodes and membranes for CO2 reduction electrolysers
The CO 2 reduction reaction (CO2RR) is a potential means of using renewable electricity to synthesize commodity chemicals and fuels. The CO2RR can be...
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Hydrophobic 1-octadecanethiol functionalized copper catalyst promotes robust high-current CO2 gas-diffusion electrolysis
The electrocatalytic reduction of CO 2 presents a promising strategy in addressing environmental and energy crisis. Significant progress has been...
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Diffusion in Channels and Channel Networks
A large variety of nanoporous materials host channel networks with pore diameters on the order of typical molecular dimensions. Molecular diffusion...
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Advances in Gas Sensors
Nanomaterials have gained the interest of researchers in the field of monitoring numerous contaminants of biological and environmental significance...
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Gas Nanosensors
The gas sensors are devices that allow to detect an analyte in the ambient atmosphere and determine its concentration from the sensor response. The...
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Integral Diffusion Model of the Kinetics of Growth of Nitrided Layer in Gas Nitriding of Armco Iron
The kinetics of gas nitriding of Armco iron is studied using an integral diffusion model. A system of differential equations is used to calculate the...
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Improved Hardness of Gas-Carburized 4Cr5Mo2V Tooling Steels by Modification of Vanadium Content
4Cr5Mo2V tooling steels are widely used in sha** of ferrous metals and non-ferrous metals. Present work aims to improve the hardness of gas...
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Diffusion and Transport of Hydrogen
Hydrogen diffusion coefficients in metals and their measuring methods, such as electrochemical permeation transients, are present. Effects of the...
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FBAR Gas Sensors
Small-sized, high-sensitivity, and low-cost sensors are required for gas-sensing applications because of their critical role in environmental...
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Precise control over gas-transporting channels in zeolitic imidazolate framework glasses
Porous metal–organic frameworks have emerged to resolve important challenges of our modern society, such as CO 2 sequestration. Zeolitic imidazolate...
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Preparation of ZnO nanorod-based gas sensor and its ethanol gas sensing performance
ZnO nanorods were prepared by a simple hydrothermal method using Zn(NO 3 ) 2 ·6H 2 O as a precursor, NaOH as precipitant, anhydrous ethanol as solvent and...
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Diffusion
Due to their extremely small size, hydrogen atoms acquire particular diffusivity features in the crystal lattice. For example, their diffusivity is...
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A multiscale ion diffusion framework sheds light on the diffusion–stability–hysteresis nexus in metal halide perovskites
Stability and current–voltage hysteresis stand as major obstacles to the commercialization of metal halide perovskites. Both phenomena have been...
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Carbon Nanostructures Functionalization for Gas Separation Membranes
The various low-dimensional allotropes of carbon that make up carbon nanostructures are referred to as carbon black, carbon fiber, carbon nanotubes,...
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Creep Property and Correlation of Diffusion-Welded Alloy 800H Tubes for Printed Circuit Heat Exchangers and Steam Generators
Thermal creep tests were conducted on diffusion-welded Alloy 800H tubes at 700 °C under various hoop stresses between 70 and 140 MPa using an in-situ...
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Effect of SILAR cycle on gas sensing properties of In2O3 thin films for CO gas sensor
In 2 O 3 thin films were deposited via Successive Ionic Layer Adsorption and Reaction (SILAR) method on glass substrates at 20, 30, 40, and 50 SILAR...
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Diffusion and Transport Studies
In this chapter, we include diffusion and transport studies. All particles (atoms, ions, radicals, molecules, etc.) have a diffusion associated with...