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Activation of H2 Molecules on Platinum and Platinum–Vanadium Clusters: DFT Quantum Chemical Modeling
AbstractThe activation of H 2 molecules by Pt 4 and Pt 3 V clusters was studied by the nudged elastic band (NEB) DFT/PBE0/def2tzvp quantum chemical...
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Phase stability and role of mechanical activation in the chemical beneficiation of red mud
This paper focuses on the carbothermic reduction of red mud in the presence of sodium carbonate. The emphasis is on the reduction step in the ‘Elgai...
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The Effect of the Positive Electrode Properties on the Activation Time of the Lead–Perchloric Acid–Lead Dioxide-Based Reserve Chemical Power Sources
Abstract—The influence of the positive electrode properties on the activation time of the reserve chemical power sources based on the lead–perchloric...
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Chemical Kinetics
The stoichiometric equation for a chemical reaction documents the mass and mole balancesMole balance of the reactants and products. It primarily... -
Quantum-Chemical Study of C–H Bond Activation in Methane on Ni–Cu Oxide and Sulfide Clusters
AbstractDensity functional theory (DFT) (PBE) was used to simulate the breaking of C–H bond in methane on copper-enriched Ni–Cu clusters as the first...
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Chemical Activation of Lignite and Long-Flame Coal to Produce Magnetic Sorbents
AbstractSorbents are produced from Barandatsk lignite by single-stage chemical activation using a mixture of ZnCl 3 and FeCl 3 and from...
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Determination of chemical elements and natural radionuclides in shop** plastic bags using k0-neutron activation analysis
The neutron activation analysis technique was applied to determine several chemical elements in shop** plastic bags in order to evaluate their...
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Comparative assessment of chemical and biochemical approaches for the activation of lignocellulosic materials and emerging opportunities for expansin-related proteins
Cellulose activation is a necessary step in many industrial processes including production of cellulose derivatives, regenerated cellulose, biofuels...
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Investigation of different ways of activation of fly ash–cement mixtures: part 2—mechanical activation
Introducing supplementary cementitious materials (SCM), e.g. fly ash, into cement composite results in ecological benefits. However, in the case of...
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Substrate Patterning and Activation Strategies for DNA Chip Fabrication
The immobilization of nucleic acids onto substrates in array fabrication is a complex process involving three major steps: (i) the chemical... -
Chemical Kinetics
Pesticides and herbicides that are used to enhance crop production on the world’s farms are the application focus for this chapter on the rates and... -
Transition Metal Catalyzed σ-Bond Activation and Formation Reactions
The factors controlling the transition metal catalyzed σ-bond (including H-H, C-H and C-C) activation and formation, the fundamental steps of many... -
Chemical Modifications of Biomass
Biomass is a renewable resource that has several potential end uses, such as chemicals, biofuels, and cutting-edge materials. The carbon dioxide... -
Prompt gamma ray activation analysis for determining chemical composition of 3D printing and casting materials used in biomedical applications
Three-dimensional printing and casting materials were analyzed by prompt gamma-ray activation analysis (PGAA) to determine their suitability as human...
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A novel life management model consists of chemical aging model and electrical-thermal aging model for power transformers using a new activation energy calculation method
Power transformers aging is investigated by a chemical aging model and an electrical-thermal aging model. In the chemical aging model, oil and...
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Magnetic Carbon Nanocomposites: Preparation from Cellulose via Chemical Activation with FeCl3 and Characterization
AbstractWe have studied the preparation of magnetic graphitic carbon composites, which combine the adsorption properties of activated carbon with...
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Chemical Warfare Agents
This chapter describes the chemical-physical and toxicological properties of chemical warfare agents (CWA). The classification into irritants,... -
A small-molecule activation mechanism that directly opens the KCNQ2 channel
Pharmacological activation of voltage-gated ion channels by ligands serves as the basis for therapy and mainly involves a classic gating mechanism...
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Study of Technological Parameters of Activation Affecting the Characteristics of Nanoporous Carbon Material
AbstractNanoporous carbon materials exhibiting a high specific pore volume and specific surface area are the most effective for most applications in...
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Strategies to improve hydrogen activation on gold catalysts
Catalytic reactions involving molecular hydrogen are at the heart of many transformations in the chemical industry. Classically, hydrogenations are...