Showing 141 - 160 results of 3,071 for search '"ions"', query time: 0.08s Refine Results
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    Numercial Analysis Of Steel Depassivation By The Action Of Chloride Ions In Reinforced Concrete Structures by Roberto Pettres, Ahiram Roquitski, Rafael Rocha

    Published 2024-12-01
    “…This paper presents an application of the Boundary Element Method (BEM) in engineering to simulate and numerically analyze the process of accumulation of chloride ions in a reinforced concrete structure. The study begins with a brief review of the origin of reinforced concrete and the phenomenon of depassivation of reinforcement. …”
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  6. 146

    Quasi-vertically asymmetric channels of graphene oxide membrane for ultrafast ion sieving by Changdao Han, Jie Jiang, Liuhua Mu, Wenhui Zhao, Junfan Liu, Jian Lan, Shouyuan Hu, Huan Yang, Shan Gao, Feng Zhou, Junlang Chen, Yan Fan, Xiangmei Duan, Pei Li, Liang Chen

    Published 2025-01-01
    “…The membranes achieved water permeance of 2647 L m−2 h−1 bar−1 while still maintaining an ultrahigh rejection rate of 99.9% for heavy metal ions, which is superior to the state-of-the-art 2D membranes reported. …”
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  7. 147
  8. 148

    Adsorption of Nickel Ion by Low Cost Carbon-Kinetic, Thermodynamic and Equilibrium Studies by V. Vijayakumaran, S. Arivoli, S. Ramuthai

    Published 2009-01-01
    “…A carbonaceous adsorbent prepared from an indigenous waste, by acid treatment was tested for its efficiency in removing nickel ion. The process parameters studied include agitation time, initial metal ion concentration, carbon dose, pH and temperature. …”
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  9. 149

    Separation effectiveness of ideal ion exchange membranes: Application of the Gibbs-Donnan theory. by Jacek Waniewski, Leszek Pstras, Mauro Pietribiasi

    Published 2025-01-01
    “…Ion exchange membranes (IEMs) are permselective membranes that, in principle, only allow the flow of ions with a specific charge sign, opposite to that of the fixed membrane ionic groups (counter-ions). …”
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  10. 150

    A New Two-Component Model for Hadron Production in Heavy-Ion Collisions by Xuejiao Yin, LiLin Zhu, Hua Zheng

    Published 2017-01-01
    “…Hence, a new two-component distribution, which is a hydrodynamic extension of the generalized FP solution accounting for the collective motion effect in heavy-ion collisions, is proposed in order to reproduce all the identified particle spectra. …”
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  14. 154

    X-Ray-Induced Changes to Passivation Layers of Lithium-Ion Battery Electrodes by Benjamin T. Young, David R. Heskett, Joseph C. Woicik, Brett L. Lucht

    Published 2018-01-01
    “…We report here on observed modification of the solid electrolyte interphase of a lithium-ion battery electrode during prolonged exposure to 4 keV SR. …”
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  15. 155

    Methods of Calculating Ionization Energies of Multielectron (Five or More) Isoelectronic Atomic Ions by Peter F. Lang, Barry C. Smith

    Published 2013-01-01
    “…Alternative simple quadratic expressions for calculating ionization energies of multielectron ions are discussed. A set of coefficients when substituted into a simple expression produces very good agreement with the literature values. …”
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  16. 156

    Chemical Modifications of Cassava Peel as Adsorbent Material for Metals Ions from Wastewater by Daniel Schwantes, Affonso Celso Gonçalves, Gustavo Ferreira Coelho, Marcelo Angelo Campagnolo, Douglas Cardoso Dragunski, César Ricardo Teixeira Tarley, Alisson Junior Miola, Eduardo Ariel Völz Leismann

    Published 2016-01-01
    “…Residues from the processing of cassava roots (Manihot esculenta Crantz), or cassava peels, are evaluated as chemically modified adsorbents with H2O2, H2SO4, and NaOH, in the removal of metal ions Cd(II), Pb(II), and Cr(III) from contaminated water. …”
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  17. 157

    p-Type Quasi-Mono Silicon Solar Cell Fabricated by Ion Implantation by Chien-Ming Lee, Sheng-Po Chang, Shoou-Jinn Chang, Ching-In Wu

    Published 2013-01-01
    “…Here, we evaluate the application of an advanced solar cell process featuring a novel method of ion implantation on p-type quasi-mono silicon wafer. …”
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  18. 158

    The Effect of Divalent Metal Ions on the Temperature Stability of Poly(I:C) Duplex by Evgeniya Usenko, Vladimir Valeev, Alexander Glamazda, Victor Karachevtsev

    Published 2020-01-01
    “…The observed difference in the influence of metal ions on the poly(I:C) thermal stability is explained by the different affinity of these ions to both the phosphate groups and the nitrogenous bases of the polynucleotides. …”
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  19. 159

    Ab Initio Study of Atropisomers of Derivatives of N-Benzyl-2-phenylpyridinium Ions by Firouzeh Nemati, Hossein Kiani

    Published 2012-01-01
    “…Ab initio calculation at RHF/6-31G* level of theory for geometry optimization of conformers of N-benzyl-2-phenylpyridinium ions are reported. The series of electron-withdrawing and electron-donating groups have been replaced by 3-H phenyl and benzyl of N-benzyl-2-phenylpyridinium ions and the energy difference between the syn- and anti- forms discussed in terms of π-π stacking.…”
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  20. 160

    Peculiarities of the Adsorption of Heavy-Metal Ions from Aqueous Media by Modified Cellulose by Tatiana E. Nikiforova, Vladimir A. Kozlov, Vera A. Loginova

    Published 2014-05-01
    “…In the aldehyde–bisulphite groups, two singly charged ions (Na + and H + ) are consequently replaced with two equivalents of metal ion resulting in the formation of colourless chelate complexes. …”
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