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  1. 1281

    Sensitivity of Nafion Films to Organic Substances, Especially Ketones by Alfredo Marquez Lucero, Miguel Orozco, Nancy Navarro, Virginia Collins

    Published 2022-01-01
    “…The main result of the present work is that Nafion can protonate gaseous ions from organic solvents, such as acetone and similar substances, which modify its electrical properties, presenting a differentiated behavior according to the chemical nature of these substances, which could lead to their identification, designing an electrical nose, because each behavior is a fingerprint of the substance to detect. …”
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  2. 1282

    Chloride Diffusivity in Blended Cement Made from Selected Industrial and Agrowastes by Jackson Muthengia Wachira, Joseph Mwiti Marangu

    Published 2019-01-01
    “…This paper reports study findings on the diffusivity of chloride ions in potential blended cement. The cement, abbreviated as PCDC, was made from blending ordinary Portland cement (OPC) with dried calcium carbide residue and an incinerated mix of rice husks, spent bleaching earth, and broken bricks. …”
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  3. 1283

    Epithelial Tight Junctional Changes in Colorectal Cancer Tissues by Xuexuan Wang, Owen Tully, Benjamin Ngo, Marc Zitin, James M. Mullin

    Published 2011-01-01
    “…Tight junctions (TJ) are well known for their function in controlling paracellular traffic of ions and molecules. It has become increasingly evident that TJs play a crucial role in maintaining cell-cell integrity, and the loss of cell junctional sealing could involve itself in the processes of carcinoma and cancer metastasis. …”
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  4. 1284

    Determination of Trace Amounts of Palladium in Water Samples by Graphite Furnace Atomic Absorption Spectrometry after Dispersive Liquid-Liquid Microextraction by Mohammad Reza Jamali, Yaghoub Assadi, Reyhaneh Rahnama Kozani

    Published 2013-01-01
    “…A simple, rapid, and powerful microextraction technique was used for determination of palladium (II) ion in water samples using dispersive liquid-liquid microextraction (DLLME) followed by graphite furnace atomic absorption spectrometry (GF AAS). …”
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  5. 1285

    A Thermo-Hygro-Coupled Model for Chloride Penetration in Concrete Structures by Nattapong Damrongwiriyanupap, Suchart Limkatanyu, Yunping Xi

    Published 2015-01-01
    “…The governing equations are taking into account the coupled transport process of chloride ions, moisture, and temperature. This represents the actual condition of concrete structures which are always found in nonsaturated and nonisothermal conditions. …”
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  6. 1286

    Solvent Extraction of Thorium Using 5,11,17,23-Tetra[(2-ethyl acetoethoxyphenyl)(azo)phenyl]calix[4]arene by Quang Hieu Tran, Van Tan Le, Van Cuong Nguyen

    Published 2016-01-01
    “…The tolerance limits for several metal ions were calculated. The proposed method was applied to the determination of thorium in synthetic solution and in the monazite sand samples with good results.…”
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  7. 1287

    Synthesis and study of superacid ZrO–SiO–AlO mixed oxide by Olena Inshina, Alexander Korduban, German Tel'biz, Volodymyr Brei

    Published 2017-06-01
    “…The generation of superacidity in ZrO 2 –SiO 2 –Al 2 O 3 matrix could be explained by formation of coordinatively unsaturated Zr 4+ ions which are strong L-sites. It was shown that superacid ZrO 2 –SiO 2 –Al 2 O 3 efficiently catalyzes polymerization of tetrahydrofuran in the presence of acetic anhydride at 40℃ with 68% yield of polytetramethyleneoxide acetate.…”
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  8. 1288

    Kinetics of photocatalytic decomposition of Fenuron over TiO2 in aqueous solution by Ouarda Brahmia, Abdelaziz Boulkamh, Tahar Sehili, Jean-Pierre Aguer, Claire Richard

    Published 2002-01-01
    “…The rate of the photocatalytic degradation increases upon addition of small amounts of hydrogen peroxide, but is slightly reduced by chloride ions.…”
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  9. 1289

    Simulation Investigation on Flame Retardancy of the PVAc/ATP Nanocomposite by Su Qiong, Wang Yanbin, Liu Li, Liang Junxi

    Published 2019-01-01
    “…As a result, the obvious improved flame retardancy was attributed mainly to the increased dispersion of Mg ions in the PVAc matrix due to the stronger interaction between PVAc and ATP and partially to the combustion temperature of PVAc released by the escaped H2O originating from the ATP dopant. …”
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  10. 1290

    Anticorrosion Nanocrystalline Beta Zeolite Thin Film for Advanced Applications by Maha Saud M. Al-subaie, Aisha Mahmood A. Al-Turkustani, Rosilda Selvin, Saedah Rwede Al-Mhayawi

    Published 2015-01-01
    “…However, the process suffers from the release of carcinogenic hexavalent chromium ions that needs to be replaced by an ecofriendly alternative. …”
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  11. 1291

    Protection of Steel Rebar in Salt-Contaminated Cement Mortar Using Epoxy Nanocomposite Coatings by The Huu Nguyen, Tuan Anh Nguyen

    Published 2018-01-01
    “…At this critical level, chloride ions initiated rebar corrosion through nanoparticles at the epoxy/rebar interface.…”
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  12. 1292

    3-Hydroxy-2-naphthoate Complexes of Transition Metals with Hydrazine - Preparation, Spectroscopic and Thermal Studies by N. Arunadevi, S. Vairam

    Published 2009-01-01
    “…Reaction of hydrazine and 3-hydroxy-2-naphthoic acid with some transition metal ions forms two types of complexes: (i) [M(N2H4){C10H6(3-O)(2-COO)(H2O) 2] where M=Ni, Co, Cd and Zn, at pH 9 and (ii) [M(N2H5)2{C10H6(3-O)(2-COO)} 2].xH2O where M=Ni & x =1; M=Co, Cd, Mn & x=3; and M=Zn, Cu & x =0 at pH 4. …”
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  13. 1293

    Effect of Aquo-glycolic Media and Added Anions on the Anodization of Zircaloy-4 in Sulphamic Acid by Viplav Duth Shukla, CH. Anjaneyulu

    Published 2011-01-01
    “…The presence of phosphate ions improved the kinetics of anodization to better extent.…”
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  14. 1294

    Relationship between clay minerals and microorganisms in underground hydrogen storage reservoirs: a mini review by Allison Clark, Shikha Sharma

    Published 2025-02-01
    “…Microbial-induced chemical weathering, through the production of organic acids and redox reactions, can degrade clay minerals, releasing metal ions and destabilizing the storage site. These interactions raise concerns about the long-term storage capacity of UHS, as microbial processes could lead to H2 loss and caprock degradation, compromising the storage system’s effectiveness. …”
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  15. 1295

    A Single Platinum Microelectrode for Identifying Soft Drink Samples by Lígia Bueno, Thiago R. L. C. Paixão

    Published 2012-01-01
    “…The electrochemical processes related to this potential are the reduction of hydrogen ions and inhibition of the platinum oxidation by the caffeine adsorption on the electrode surface. …”
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  16. 1296

    Fabrication of SO42--ISE based on Copolymer of Methyl methacrylate-butyl acrylate (MB28) Thin-film and Graphite Pencil Electrode (GPE) by Alva Sagir, Arwati I Gusti Ayu, Hasbullah Siti Aisyah, Aziz Aiman Sajidah Abdul, Khaerudini Deni Shidqi

    Published 2025-01-01
    “…Meanwhile, selectivity tests were carried out using the FIM, where SO42--ISE provides good selectivity to I-, Cl- and NO3- ions. This fabricated sensor can work for 12 days at pH 3-9 and provides performance comparable to the gravimetric method according to SNI 19-6964.5-2003.…”
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  17. 1297

    Evaluation of Hydrophilized Graphite Felt for Electrochemical Heavy Metals Detection (Pb2+, Hg2+) by Laila Bouabdalaoui, Benjamin Le Ouay, Thibaud Coradin, Christel Laberty-Robert

    Published 2015-01-01
    “…Hydrophilized graphite felt has been used, for the first time, for the electrochemical detection of Hg2+ ions both as single metal species and via its simultaneous detection with Pb2+. …”
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  18. 1298

    A Generalization of Electromagnetic Fluctuation-Induced Casimir Energy by Yi Zheng

    Published 2015-01-01
    “…Intermolecular forces responsible for adhesion and cohesion can be classified according to their origins; interactions between charges, ions, random dipole—random dipole (Keesom), random dipole—induced dipole (Debye) are due to electrostatic effects; covalent bonding, London dispersion forces between fluctuating dipoles, and Lewis acid-base interactions are due to quantum mechanical effects; pressure and osmotic forces are of entropic origin. …”
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  19. 1299

    A New Approach to Determine Gas Diffusion Coefficients in Porous Solids by EIS: Application for NH3 and CO2 Adsorption on Zirconia and Zeolite Type 5A by Tien-Quang Nguyen, Maja Glorius, Cornelia Breitkopf

    Published 2018-01-01
    “…In case of ammonia adsorption on sulfated zirconia, the diffusion coefficient was figured out to be approximately the mobility diffusion coefficient of ammonium ions: 1.2 x 10-7 cm2/s. The transport of carbon dioxide was examined for samples of zeolite type 5A in different hydration states. …”
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  20. 1300

    The efficiency of galvanic wastewater treatment facility 'Frad' in Aleksinac by Veličković Jasmina, Arsić Nebojša B., Stošić Ljiljana

    Published 2020-01-01
    “…A large number of contaminants (metal ions, cyanides, acids, bases, grease and oils, organic solvents, surfactants, phosphates, etc.), found in galvanic wastewater are treated through conventional methods (chemical oxidation and reduction, neutralization, sedimentation, coagulation and flocculation). …”
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