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901
Applications and challenges of capacitive deionization technology in selective separation
Published 2024-02-01“…The selective separation of ions in aqueous solutions is of significant importance for water purification and resource recovery. …”
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902
Valorization of Wasted Black Tea as a Low-Cost Adsorbent for Nickel and Zinc Removal from Aqueous Solution
Published 2016-01-01“…Maximum percentages of metal ions removal were recorded at pH 5, contact time 250 min, and 20 g/L of adsorbent concentration. …”
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903
The influence of cracks on the corrosion initiation time caused by chloride diffusion in concrete structures using the Boundary Element Method
Published 2025-01-01“… Abstract Reinforced concrete structures in coastal zones are subject to corrosion triggered by chloride ions. In contact with the concrete surface, such ions penetrate through the material’s porous microstructure, mainly by diffusion, and accumulate on the reinforcement’s surface, promoting a local breakage of the passive layer. …”
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904
Effect of Temperature on Synthesis of Hydroxyapatite/Chitosan Composite Using the <i>In-Situ</i> Method as a Heavy Metal Adsorbent
Published 2025-01-01“…The highest adsorption capacity value is found in the HAp/CTS 65 °C composite for both ions, 1.9979 mg/g for Cu2+ ions and 0.9965 for Pb2+ ions. …”
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905
Photocatalytic degradation of tetracycline by Fe-doped mechanically activated SrTiO3 powders in aqueous solution
Published 2024-01-01“…In the case of a lower concentration of dopant (1.5 wt%), there was a significant relative contribution of the substitution of Sr2+ ions by Fe3+ ions. In contrast, substituting Ti4+ ions with Fe3+ ions dominated samples with an increased concentration. …”
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906
Synthesis and optical properties of LaSrGaO4:RE3+ (RE = Sm, Eu, Ho) single crystals via optical float zone method
Published 2025-02-01“…Enhanced analyses of the luminescence mechanism of lanthanoid ions in various host compounds, which have captivated researchers for many years and culminated in the development of innovative materials for optical applications. …”
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907
Ultrasound and Microwave Coassisted Synthesis and Luminescent Properties of (Ln = La, Gd; ) Phosphors
Published 2013-01-01“…Their crystal structures and morphologies which have been verified by X-ray diffraction (XRD) and scanning electron microscopy (SEM) exhibited gradual changes due to the insertion of lanthanide ions (La or Gd) in calcium molybdates. Codoping of lanthanum ions () would enhance the emission intensities that were supported by fluorescent spectrophotometry (FL).…”
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908
Investigation of Optical and Dielectric Properties of Nickel-Doped Zinc Oxide Nanostructures Prepared via Coprecipitation Method
Published 2024-01-01“…Since more charge carriers enhanced after the nickel ions were exchanged for the Zn ions, the AC electrical conductivity (σa.c) improves by nickel doping compared to undoped zinc oxide.…”
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909
Electroanalytical Sensing of Bromides Using Radiolytically Synthesized Silver Nanoparticle Electrocatalysts
Published 2017-01-01“…All five Ag materials exhibited electroactivity for sensing of Br− ions, with pure Ag catalyst giving the best response to Br− ions presence in terms of the lowest limit of detection. …”
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910
Layered Double Hydroxides as Effective Adsorbents for U(VI) and Toxic Heavy Metals Removal from Aqueous Media
Published 2013-01-01“…Carbonate forms of LDHs turned out to be most efficient for recovery of Cu(II) from aqueous media with pH0≥7 owing to precipitation of Cu(II) basic carbonates and Cu(II) hydroxides. Chromate ions are efficiently adsorbed from water only by calcinated forms of LDHs.…”
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911
High-Coercivity Ferrimagnet Co₂FeO₂BO₃: XMCD Insights into Charge-Ordering and Cation Distribution
Published 2025-01-01“…The antiferromagnetic nature of the Co<sup>2+</sup>-O-Fe<sup>3+</sup> exchange interaction was confirmed by identifying the spin and orbital contributions to the total magnetization from Co (m<sub>L</sub> = 0.27 ± 0.1 μ<sub>B</sub>/ion and m<sup>eff</sup><sub>S</sub> = 0.53 ± 0.1 μ<sub>B</sub>/ion) and Fe (m<sub>L</sub> = 0.05 ± 0.1 μ<sub>B</sub>/ion and m<sup>eff</sup><sub>S</sub> = 0.80 ± 0.1 μ<sub>B</sub>/ion) ions through element-selective XMCD analysis. …”
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912
Chemical Fingerprints for PM2.5 in the Ambient Air near a Raw Material Storage Site for Iron Ore, Coal, Limestone, and Sinter
Published 2020-12-01“…The chemical fingerprints of the PM2.5 showed that water-soluble ions were the most important component in all sites. …”
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913
Adsorptive Applications of Montmorillonite Clay for the Removal of Ag(I) and Cu(II) from Aqueous Medium
Published 2019-01-01“…The present work aims to investigate the ability of Saudi clay containing montmorillonite to remove Ag(I) and Cu(II) ions from aqueous solutions for waste water purification. …”
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914
Structural and Mössbauer Spectral Studies of Nanosized Aluminum Doped Manganese Zinc Ferrites
Published 2008-01-01“…The particle size is found to very from 46 to 28 nm with increase of aluminum ions concentration. The unit cell parameter “aO” is found to decrease linearly with aluminum ions concentration due to smaller ionic radius of aluminum. …”
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915
Passivation and red-ox processes of refractory metals in carbamide-chloride melt
Published 2003-01-01“…The electrochemical behavior of refractory metals (Pt, Pd, W, Ti, Nb, Ta) in the low temperature carbamide-NH4Cl melt (texp=120 oC) and the structure of complex ions formed after anodic dissolution have been studied by cyclic voltammetry and spectroscopic methods. …”
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916
Development of simplified treatment methods for removal of Ra-226 and Ra-228 from sludge waste produced in natural gas processing plants
Published 2025-02-01“…The main radionuclides present in sludge waste of natural gas processing are Radium and its daughters due to their low solubility in the water they can form compounds with sulfate ions, carbonate ions, silicate ions, then precipitation scale or sludge. …”
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917
Efficient biosorption of cadmium by Eucalyptus globulus fruit biomass using process parameters optimization
Published 2024-01-01“…BACKGROUND AND OBJECTIVES: Industrial wastewater usually contains metal ions which are hazardous to human and aquatic organisms. …”
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918
Continuous electrocoagulation treatment of chromium from tannery wastewater in a cylindrical column
Published 2025-01-01“…In this study, a continuous electrocoagulation column was applied for the removal of chromium ions from tannery wastewater collected from local industry. …”
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919
All-natural charge gradient interface for sustainable seawater zinc batteries
Published 2025-02-01“…The gradually strengthened negative charges formed via diffusion-controlled electrostatic complexation of biomass-derived polysaccharides serve to repel the unfavorable accumulation of chloride ions while simultaneously accelerating the diffusion of zinc ions. …”
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920
Interaction of Cu(II) and Ni(II) with Ypk9 Protein Fragment via NMR Studies
Published 2014-01-01“…Both proteins are involved in the transportation of metal ions, including manganese and nickel, from the cytosol to the lysosomal lumen. …”
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