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1481
Geochemical Characteristics of Formation Water in Carbonate Reservoirs and Its Indication to Hydrocarbon Accumulation
Published 2022-01-01“…The hydrodynamic field controls the content of various ions in formation water and is an important participant in hydrocarbon evolution. …”
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1482
Bacterial Cellulose-Hydroxyapatite Nanocomposites for Bone Regeneration
Published 2011-01-01“…Fourier transformed infrared spectroscopy analysis showed bands assigned to phosphate and carbonate ions. In vivo tests showed no inflammatory reaction after 1 week. …”
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1483
Quantum order by disorder is a key to understanding the magnetic phases of BaCo2(AsO4)2
Published 2025-01-01“…This assumption is based on the distinctive characteristics of Co2+ ions (3d 7) within an octahedral crystal environment, resulting in spin-orbit-coupled J eff = 1/2 doublet states. …”
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1484
Optimization Conditions of Extracellular Proteases Production from a Newly Isolated Streptomyces Pseudogrisiolus NRC-15
Published 2012-01-01“…The culture conditions for higher protease production by NRC-15 were optimized with respect to carbon and nitrogen sources, metal ions, pH and temperature. Maximum protease production was obtained in the medium supplemented with 1% glucose, 1% yeast extract, 6% NaCl and 100 μmol/L of Tween 20, initial pH 9.0 at 50 °C for 96 h. …”
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1485
Enhanced Production and Characterization of a Solvent Stable Amylase from Solvent Tolerant Bacillus tequilensis RG-01: Thermostable and Surfactant Resistant
Published 2014-01-01“…The isolate showed maximum amylase production (8100 U/mL) in the presence of starch, peptone, and Ca2+ ions at 55°C pH 7.0 within 24 h of incubation. The enzyme was stable in the presence of n-dodecane, isooctane, n-decane, xylene, toluene, n-hexane, n-butanol, and cyclohexane, respectively. …”
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1486
Azimuthal asymmetries in lepton and heavy-quark pair production in UPCs
Published 2025-01-01“…Abstract Azimuthal modulations in lepton and heavy-quark pair production in ultraperipheral collisions (UPCs) of highly charged ions are investigated. The modulations in the azimuthal angles of the sum and difference of the transverse momenta of the pair of particles in the final state, as well as of the transverse impact parameter, arise from the collisions of unpolarized and polarized photons. …”
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1487
Study of effective removal of nickel and cobalt from aqueous solutions by FeO@mSiO2 nanocomposite
Published 2025-01-01“…In many regions of the world, water pollution from potentially harmful substances like nickel (II) and cobalt (II) ions is a recurring issue. The quality of rivers and lakes’ environments, wastewater discharge, and drinking water sources are all still significantly impacted by it. …”
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1488
Electrochemical Denitrification of Synthetic Aqueous Solution and Actual Contaminated Well Water: RSM Modeling, Kinetic Study, Monte Carlo Optimization, and Sensitivity Analysis
Published 2022-01-01“…In this study, Ti/RuO2 and graphite were used as anode and cathode electrodes, respectively, to treat synthetic aqueous solutions containing different concentrations of nitrate ions. Nitrate initial concentration (2.75–55 mg NO3-N/lit), voltage (2.5–30 V), pH (3–13), electrode distance (ED = 0.5–3.5 cm), and reaction time (10–180 min) were the main studied operating parameters for the electrochemical denitrification (ECD) reactor. …”
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1489
Fast and Selective Adsorption of Au (III) from the Waste Printed Circuit Boards Using a Low-Cost Adsorbent: Optimization by Central Composite Design Based on Response Surface Metho...
Published 2023-01-01“…Adsorption properties were investigated by the kinetic, isotherm, thermodynamic, and interference of coexisting metal ions at optimum conditions. The experimental adsorption percentage with three repetitions under the optimized conditions such as pH = 2, adsorbent mass = 23 mg, Au (III) concentration = 32 mg L−1, and contact time = 30 min was 97% and the highest adsorption capacity of the GA was 315.450 mg g−1. …”
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1490
Synthesis and Structural Studies on Transition Metal Complexes Derived from 4-Hydroxy-4-methyl–2-pentanone-1H-benzimidazol-2-yl-hydrazone
Published 2011-01-01“…Infrared spectral data suggest that the ligand HPBH behaves as a monobasic tridentate ligand with N: N: O donor sequence towards the metal ions. On the basis of the above physicochemical data, octahedral, tetrahedral and square planar geometries were assigned for the complexes. …”
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1491
Geopolymers in nuclear waste storage and immobilization: mechanisms, applications, and challenges
Published 2025-02-01“…However, recent studies show that geopolymer (GP), a novel class of cementitious materials, exhibit superior performance in immobilizing radioactive contaminants with reported compressive strength exceeding 50 MPa and leach rates for cesium and strontium ions reduced by over 95% compared to OPC based barriers. …”
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1492
Quenching dynamics in highly doped erbium fiber core-pumping, amplifier configuration
Published 2025-01-01“…This study examines the influence of quenching dynamics on the efficiency of erbium-doped fiber amplifiers (EDFAs) with high erbium-ion (E3+-ions) doping concentrations, comparing pulsed and continuous wave core-pumping methods. …”
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1493
Hydrogeology and Hydrogeochemistry of the Lauria Mountains Northern Sector Groundwater Resources (Basilicata, Italy)
Published 2019-01-01“…The processes contributing to the concentrations of major ions depend primarily on carbonate dissolution. The analysis, in all studied groundwater samples, shows that the facies groundwater type is Ca–HCO3, bicarbonate is the dominant anion, and calcium is the dominant cation with appreciable magnesium concentrations. …”
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1494
Snapshotting quantum dynamics at multiple time points
Published 2024-10-01“…We provide a proof-of-principle experimental demonstration of the proposed protocol using a dual-species trapped-ion system by employing 171Yb+ and 138Ba+ ions as the system and the ancilla, respectively. …”
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1495
Biosynthesis of Crystalline Silver and Gold Nanoparticles by Extremophilic Yeasts
Published 2011-01-01“…The extremophilic strain under study was able to grow up to an Ag ion concentration of 1.5 mM whereas an increase of Au ion concentration over 0.09 mM caused a strong inhibitory effect. …”
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1496
Ecofriendly Synthesis of Silver Nanoparticles from Garden Rhubarb (Rheum rhabarbarum)
Published 2016-01-01“…Bioreduction of silver ions following one pot process is described to achieve Rheum rhabarbarum (RR) based silver nanoparticles (SNPs) which is termed as “RR-SNPs.” …”
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1497
Genipin Cross-Linked Polymeric Alginate-Chitosan Microcapsules for Oral Delivery: In-Vitro Analysis
Published 2009-01-01“…Cross-linking by genipin substantially reduced swelling and physical disintegration of microcapsules induced by nongelling ions and calcium sequestrants. Strong resistance to mechanical shear forces and enzymatic degradation was observed. …”
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1498
Calcium-mediated mitochondrial fission and mitophagy drive glycolysis to facilitate arterivirus proliferation.
Published 2025-01-01“…Here, we report that infection with the swine arterivirus porcine reproductive and respiratory syndrome virus (PRRSV), manipulates mitochondria calcium ions (Ca2+) to induce mitochondrial fission and mitophagy, thereby reprogramming cellular energy metabolism to facilitate its own replication. …”
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1499
Application of Chitosan Composite Flocculant in Tap Water Treatment
Published 2018-01-01“…The chitosan is a good flocculant for tap water treatment because of its properties such as faster deposition rate and higher removal efficiency for COD (organic matter), SS (suspended solids), and metal ions. However, its high price limits the use in tap water treatment. …”
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1500
Numerical Simulation of Impact of Different Redox Couples on Flow Characteristics and Electrochemical Performance of Deep Eutectic Solvent Electrolyte Flow Batteries
Published 2025-01-01“…This finding underscores the importance of optimizing active redox ions transport in electrolytes to enhance electrochemical reactions in the proximal membrane region, which is crucial for improving flow battery performance.…”
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