Showing 1,241 - 1,260 results of 3,071 for search '"ions"', query time: 0.07s Refine Results
  1. 1241

    Nitric Acid-treated Bentonite Clay: A Novel Oxidation Supported Reagent by Charis R. Theocharis, John B. Tomlinson, Adam O. Whelan, George C.P. Zychowicz

    Published 1990-09-01
    “…The reactive species is believed to be nitrate ions present in the interlamellar species, together with an interlamellar acidic aluminium species which is useful in maintaining the crystallinity of the acid-washed clay. …”
    Get full text
    Article
  2. 1242

    Raman Spectra of PbTe- and GeTe-Based Monocrystalline Epitaxial Layers by N. Romcevic, B. Hadzic, P. Dziawa, T. Story, W. D. Dobrowolski, M. Romcevic

    Published 2024-01-01
    “…An improvement in the quality of thin films due to doping with Eu ions was also registered.…”
    Get full text
    Article
  3. 1243

    New Method for Removal of Organic Dyes Using Supported Iron Oxide as a Catalyst by Samia A. Kosa, Naha M. Al-sebaii, Islam H. Abd El Maksod, Eman Z. Hegazy

    Published 2016-01-01
    “…In this study, we perform a catalytic decomposition of organic dye over Fe2O3-CeO2-TiO2-γ-Al2O3 catalyst in the presence of molecular oxygen and chlorate ions. The results showed that organic dye acts as a sensitizer during this process. …”
    Get full text
    Article
  4. 1244

    Multi-Template Molecularly Imprinted Polymeric Electrochemical Biosensors by Meltem Agar, Maisem Laabei, Hannah S. Leese, Pedro Estrela

    Published 2025-01-01
    “…Dual/multi-template molecular imprinting techniques have been applied to identify, extract, and detect many targets, from heavy metal ions to viruses, by different methods, such as high-performance liquid chromatography (HPLC), liquid chromatography–mass spectrometry (LC-MS), and piezoelectric, optical, and electrochemical methods. …”
    Get full text
    Article
  5. 1245

    Development of an Environmentally Friendly Resist-Removal Process Using Wet Ozone by Hideo Horibe, Yousuke Goto

    Published 2012-01-01
    “…The polymers without C–C double bonds were not removed. Removal of B and P ion-implanted resists became difficult with increasing acceleration energy of ions at implantation. …”
    Get full text
    Article
  6. 1246

    Facile Preparation and Photoinduced Superhydrophilicity of Highly Ordered Sodium-Free Titanate Nanotube Films by Electrophoretic Deposition by Minghua Zhou, Huogen Yu

    Published 2012-01-01
    “…It was found that the self-assembled formation of highly ordered sodium titanate nanotube films was accompanied with the effective removal of sodium ions in the nanotubes during the electrophoretic deposition process, resulting in the final formation of protonated titanate nanotube film. …”
    Get full text
    Article
  7. 1247

    GENETIC VARIABILITY OF SPRING COMMON WHEAT VARIETIES IN ALUMINUM TOLERANCE by E. M. Lisitsyn, O. S. Amunova

    Published 2015-01-01
    “…Spring common wheat varieties display broad genotypic diversity in response to the stress impact of aluminum ions. The investigated set of varieties contained no sensitive ones. …”
    Get full text
    Article
  8. 1248

    Effect of Ferronickel Slag Powder on Strength of Soil in Marine Environment by Feng Chen, Shenghao Tong

    Published 2020-01-01
    “…In addition, the compound ferronickel slag powder has microaggregate effect, morphological effect, and activation effect, which not only improves compaction rate of soil-cement and prevents invasion of erosive ions in marine environment but also has positive effects on the performance of soil-cement.…”
    Get full text
    Article
  9. 1249

    Modification of Nanoclinoptilolite Zeolite with Hexadecyltrimethylammonium Surfactant as an Active Ingredient of Chromate-Selective Membrane Electrode by Alireza Nezamzadeh-Ejhieh, Gholamhosein Raja

    Published 2013-01-01
    “…The selectivity coefficients of the proposed electrode towards various interfering ions were determined by FIM and SSM methods. The sensor was successfully used as indicator electrode in the potentiometric titration of against Pb(II) and determination of chromium in an electroplating wastewater sample.…”
    Get full text
    Article
  10. 1250

    Effect of duration and pressure of carbonation curing on the chloride profile in concrete by Roberto Luiz Dias, Neusa Aparecida Munhak Beltrame, Jordi Rius Gonzalez, Ronaldo Alves Medeiros-Junior

    Published 2023-04-01
    “…Abstract Carbonation curing alters the characteristics of the concrete's microstructure and can interfere with the penetration of aggressive ions. The objective of this article was to evaluate the influence of CO2 pressure and carbonation cure time on chloride profiles. …”
    Get full text
    Article
  11. 1251

    Kinetics of atrazine degradation by photocatalytic process in aqueous solution by O. Zahraa, L. Sauvanaud, G. Hamard, M. Bouchy

    Published 2003-01-01
    “…The rate of degradation is found to be enhanced by the addition of persulphate ions. Competitive degradation between atrazine and other pollutants is satisfactorily interpreted as monitored by a competitive adsorption of the reactants. …”
    Get full text
    Article
  12. 1252

    Fast and Versatile Pathway in Fabrication of Polyelectrolyte Multilayer Nanofiltration Membrane with Tunable Properties by Ahmad M. Alghamdi

    Published 2021-01-01
    “…The suitability of the fabricated membranes for removal of divalent ions was investigated. It was found that the membrane consisting of (PEI/PSS)10–0.05 M NaCl showed MgCl2 rejection rate of 93.95% and permeation flux of 0.9 L/m2·h bar during tests performed using a crossflow permeation cell at a crossflow velocity of 0.65 m/s, MgCl2 feed concentration of 6530 ppm, pressure of 10 bar, temperature of 32.5°C, and pH of 6.5. …”
    Get full text
    Article
  13. 1253

    Visualisation of the interaction between Acidithiobacillus ferrooxidans and oil shale by atomic force microscopy by Milić Jelena S., Beškoski Vladimir P., Ranđelović Danijela V., Stojanović Jelica, Vrvić Miroslav M.

    Published 2012-01-01
    “…Combining AFM surface imaging and leaching analysis following bacterial colonisation of oil shale layers demonstrates that an initial attachment to the surface is necessary for the leaching and that later on, once a sufficient concentration of Fe2+ ions in the solution is achieved, cells detach to become free cells, and leaching occurs primarily by the Fe3+. …”
    Get full text
    Article
  14. 1254

    The Plastic Glial-Synaptic Dynamics within the Neuropil: A Self-Organizing System Composed of Polyelectrolytes in Phase Transition by Vera Maura Fernandes de Lima, Alfredo Pereira

    Published 2016-01-01
    “…The use of nonlinear thermodynamics supports experiments at convenient biological spatiotemporal scales, while an understanding of the properties of ions and their interactions with water requires explanations based on quantum theories. …”
    Get full text
    Article
  15. 1255

    Efficiency of Different Electrolytes on Electrochemical Chloride Extraction to Recover Concrete Structures under Chloride-Induced Corrosion by Thamara Tofeti Lima, Ki Yong Ann

    Published 2020-01-01
    “…Experimental results pointed to lithium borate as the most efficient electrolyte for extracting chlorides while calcium hydroxide was a better choice to repassivate the structure and even heal cracks, due to a possible electrodeposition of the electrolyte ions on the cement matrix. Thus, depending on the main goal of the treatment, different electrolytes achieve a better performance, which highlights the importance of pretreatment evaluation to see in which stage of corrosion damage is the structure.…”
    Get full text
    Article
  16. 1256

    Biologically Derived Gold Nanoparticles and Their Applications by Arpita Roy, Chetan Pandit, Amel Gacem, Mohammed S. Alqahtani, Muhammad Bilal, Saiful Islam, Md. Jamal Hossain, Mohammed Jameel

    Published 2022-01-01
    “…The metabolic activities of biological agents convert dissolved metal ions into nanometals. For biosynthesis of metal nanoparticles, various biological agents like plants, fungus, and bacteria are utilized. …”
    Get full text
    Article
  17. 1257

    In Vitro Bioactivity of Binary Nepheline-Fluorapatite Glass/Polymethyl-Methacrylate Composite by Dalia Y. Zaki, Esmat M. A. Hamzawy

    Published 2018-01-01
    “…Inductively coupled plasma (ICP) and pH changes were used in the determination of the ions released and the alkalinity, respectively, after the immersion in Tris-buffered solution. …”
    Get full text
    Article
  18. 1258

    Synthesis, Spectral, and Biological Properties of Copper(II) Complexes of Thiosemicarbazones of Schiff Bases Derived from 4-Aminoantipyrine and Aromatic Aldehydes by Ram K. Agarwal, Lakshman Singh, Deepak Kumar Sharma

    Published 2006-01-01
    “…These thiosemicarbazones are potential ligands toward transition metal ions. The reaction of copper(II) salts with 4[N-(benzalidene)amino]antipyrinethiosemicarbazone (BAAPTS), 4[N-(4′-methoxybenzalidene) amino] antipyrinethiosemicarbozone (MBAAPTS), 4[N-(4′-dimethylamino benzalidene) amino] antipyrinethiosemicarbazone (DABAAPTS), and 4[N-(cinnamalidene) amino] antipyrinethiosemicarbazone (CAAPTS) resulted in the formation of solid complexes with the general composition CuX2⋅(H2O)(L)(X = Cl, Br, NO3, NCS, or CH3COO; L = BAAPTS, MBAAPTS, DABAAPTS, or CAAPTS). …”
    Get full text
    Article
  19. 1259

    PM2.5 Emission Elemental Composition from Diverse Combustion Sources in the Metropolitan Area of Mexico City by V. Mugica, F. Mugica, M. Torres, J. Figueroa

    Published 2008-01-01
    “…Over 25 chemical species were quantified from the fine particles emitted by the different combustion sources investigated, including organic and elemental carbon, ions, and elements. The OC/TC ratio found in the different PM2.5 profiles was dissimilar as well as the sulfate, nitrate, ammonium, soil species, and trace element content. …”
    Get full text
    Article
  20. 1260

    The New Approach of Intercalation Material for The Application of Rechargeable Lithium Batteries by Shi-Jie Wen, Xiao-Tian Yin, L. Nazar

    Published 1994-01-01
    “…In these solid electrodes, black carbon serves to delocalize (transport) electrons for balancing the charges while zeolite and clay offer the neutrally reversible sites for lithium ions. This approach can hopefully become a guide for the designing of new intercalation material and so will be very important in the application of the lithium rechargeable battery.…”
    Get full text
    Article