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  1. Activation of H2 Molecules on Platinum and Platinum–Vanadium Clusters: DFT Quantum Chemical Modeling

    Abstract

    The 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...

    N. S. Panina, T. M. Buslaeva, A. I. Fischer in Kinetics and Catalysis
    Article 05 October 2023
  2. 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...

    P. A. Shcheglov, D. A. Samsonov, ... A. M. Skundin in Russian Journal of Electrochemistry
    Article 01 December 2023
  3. 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...

    Rakesh Kumar, Thomas C. Alex in Journal of Thermal Analysis and Calorimetry
    Article 05 August 2023
  4. Chemical Kinetics

    The stoichiometric equation for a chemical reaction documents the mass and mole balancesMole balance of the reactants and products. It primarily...
    Chapter 2024
  5. Chemical Activation of Lignite and Long-Flame Coal to Produce Magnetic Sorbents

    Abstract

    Sorbents are produced from Barandatsk lignite by single-stage chemical activation using a mixture of ZnCl 3 and FeCl 3 and from...

    I. Yu. Zykov, N. N. Ivanov, Yu. N. Dudnikova in Coke and Chemistry
    Article 01 March 2022
  6. Quantum-Chemical Study of C–H Bond Activation in Methane on Ni–Cu Oxide and Sulfide Clusters

    Abstract

    Density 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...

    P. S. Bandurist, D. A. Pichugina in Kinetics and Catalysis
    Article 23 July 2023
  7. 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...

    A. H. Al-Ghamdi, Mahmoud Mohery, Mohamed Soliman in Journal of Radioanalytical and Nuclear Chemistry
    Article 06 November 2023
  8. 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...

    Salla Hiltunen, Janak Sapkota, ... Matti Ristolainen in Cellulose
    Article Open access 13 December 2023
  9. 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...

    Iwona Wilińska, Barbara Pacewska, Andrzej Ostrowski in Journal of Thermal Analysis and Calorimetry
    Article Open access 23 September 2023
  10. 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...
    Aránzazu del Campo, Ian J. Bruce in Immobilisation of DNA on Chips I
    Chapter
  11. 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...
    Michael Mosher, Paul Kelter in An Introduction to Chemistry
    Chapter 2023
  12. 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...
    Anu Mary Joseph in Handbook of Biomass
    Reference work entry 2024
  13. 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...
    Djamaladdin G. Musaev, Keiji Morokuma in Theoretical Aspects of Transition Metal Catalysis
    Chapter
  14. 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...

    Rick L. Paul, Matthew M. Mille, ... H. Heather Chen-Mayer in Journal of Radioanalytical and Nuclear Chemistry
    Article 05 June 2023
  15. 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...

    Ashkan Teymouri, Behrooz Vahidi, Peter van der Wielen in Cellulose
    Article 10 April 2022
  16. Magnetic Carbon Nanocomposites: Preparation from Cellulose via Chemical Activation with FeCl3 and Characterization

    Abstract

    We have studied the preparation of magnetic graphitic carbon composites, which combine the adsorption properties of activated carbon with...

    A. N. Prusov, S. M. Prusova, M. V. Radugin in Russian Journal of Inorganic Chemistry
    Article 01 July 2023
  17. 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...

    Shaoying Zhang, Demin Ma, ... Huaiyu Yang in Nature Chemical Biology
    Article 02 January 2024
  18. Chemical Warfare Agents

    This chapter describes the chemical-physical and toxicological properties of chemical warfare agents (CWA). The classification into irritants,...
    Chapter 2023
  19. Chemical Amplification Resists for Microlithography

    This chapter describes polymers employed in formulation of chemically amplified resists for microlithography, which have become the workhorse in...
    Chapter
  20. 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...

    Nikolaos Dimitratos, Gianvito Vilé, ... Robert Wojcieszak in Nature Reviews Chemistry
    Article 23 February 2024
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