-
3401
Exploring the influence of copper precursors and solvents on catalyst performance in the hydrogenation of hydroxyacetone to 1,2-Propanediol
Published 2025-01-01“…Characterization by TPR allowed the identification of an unexpected consumption of hydrogen per copper atom, which was associated to the ability to localize hydrogen. The presence of Cu+ ions in the samples was investigated by CO chemisorption, N2O reactive frontal chromatography and XPS. …”
Get full text
Article -
3402
Evaluation of Hydrophilized Graphite Felt for Electrochemical Heavy Metals Detection (Pb2+, Hg2+)
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+. …”
Get full text
Article -
3403
Selective Electrochemical Conversion of CO2 into Methane on Ag‐Decorated Copper Microsphere
Published 2025-01-01“…Abstract We synthesized the silver‐decorated copper microsphere via the hydrothermal method followed by photoreduction of silver ions. Sub 100 nm Ag nanoparticles anchored on the surface of Cu microspheres enhance the electrochemical performance and the selectivity of the CO2 reduction into CH4. …”
Get full text
Article -
3404
3-(2-Hydroxyethyl)-1-(4-nitrophenyl)-1H-benzo[d]imidazol-3-ium bromide
Published 2024-12-01“…In the crystal, the bromide ions act as double acceptors for hydrogen bonds from a hydroxyl group (O—H...Br) and a fused imidazolium moiety (C—H...Br). …”
Get full text
Article -
3405
Influence of Ultrasonic Activation on the Physicochemical Properties of Calcium Silicate-Based Cements
Published 2021-01-01“…Ultrasonic activation favored the release of calcium ions from all cements. The SEM analysis showed, in general, that the ultrasonic activation reduced and altered the particle shape of the cement. …”
Get full text
Article -
3406
Composition Characteristics and Potential Regions of PM2.5 during Winter Haze Pollution in Typical Industrial Areas, NW-China
Published 2024-04-01“…Eighty-eight samples (including 44 quartz and 44 Teflon samples for PM2.5) were assessed for watersoluble ions (WSIIs), organic/elemental carbon (OC/EC) and inorganic elements. …”
Get full text
Article -
3407
Study of solid state interactions in the systems ZnFe2O4 - CaO, ZnFe2O4 - MgO and zinc cake with CaO and MgO
Published 2013-01-01“…It has been established that Ca2+ and Mg2+ ions exchange Zn2+ in ferrite partially and the solubility of zinc in a 7% sulfuric acid solution increases. …”
Get full text
Article -
3408
A Solution Study of Complex Formation of Some Diamines with Lanthanones
Published 2009-01-01“…Factors that affected the stability of the complexes are size and ionic potential of lanthanone ions, basicity of ligands, ring size and steric effect of ligands.…”
Get full text
Article -
3409
Distribution of Corrosion Attack in Chloride Exposed Concrete – Summary of Field Observations
Published 2024-12-01“…Depending on the moisture level, corrosion might initiate when aggressive agents like chloride ions reach the reinforcement surface. The propagation of active corrosion depends on both the moisture level and oxygen availability. …”
Get full text
Article -
3410
Two Kinds of Hydrogen Monomers Manifested in Plasma-Exposed Silicon
Published 2018-01-01“…In boron-doped silicon annealed in a plasma ambient (at 150°C), the reported hydrogen concentration profile and the hole profile cannot be simultaneously fitted assuming only one kind of in-diffusing hydrogen ions H+ of a definite parameter D+K (where D+ is the diffusivity of H+ and K is the equilibrium dissociation constant of the HB defect, the passivated boron). …”
Get full text
Article -
3411
Study of Dust-Acoustic Multisoliton Interactions in Strongly Coupled Dusty Plasmas
Published 2020-01-01“…The effect of the structure parameter on the compressibility of dust grains and soliton behavior in a dusty plasma system consisting of Maxwellian electrons, ions, and dust grains charged with a negative charge has been studied. …”
Get full text
Article -
3412
Adsorption of Copper on Transcarpathian Clinoptilolite
Published 1999-03-01“…Their effectiveness in extracting copper(II) ions under the desorption conditions employed amounted to 100%.…”
Get full text
Article -
3413
Determination of Thallium(I) by Hybrid Mesoporous Silica (SBA-15) Modified Electrode
Published 2016-01-01“…The selectivity coefficient calculated by match potential method (MPM) shows the high selectivity of electrode towards Tl(I) over other tested ions. The electrode was successfully applied as an indicator electrode for the titration of 0.01 M TlNO3 solution with standards EDTA solution and for sequential titration of mixture of different anions.…”
Get full text
Article -
3414
A Short Review on Synthesis, Characterization, and Applications of Zeolites
Published 2021-01-01“…Zeolite is a hydrated aluminosilicate having a tetrahedral structural framework; it contains channels and cages which are occupied by exchangeable active metal ions and water molecules. Zeolite was synthesized through different synthesis methods, particularly, hydrothermal and green synthesis methods. …”
Get full text
Article -
3415
PHYSICOCHEMICAL PROPERTIES AND PHARMACOLOGY OFAMLODIPINE BESYLATE A BRIEF REVIEW
Published 2024-10-01“…Its basic mechanism of action is the blockage of calcium ions influx into cardiac muscles and vascular muscles. …”
Get full text
Article -
3416
-
3417
Optimizing Phosphatic Fertilizer Drip Timing to Improve Cotton Yield in Saline–Alkali Soil and Mitigate Phosphorus–Calcium Binding Risks
Published 2025-01-01“…Adjusting phosphate fertilizer timing with water and fertilizer reduces phosphorus binding with calcium ions. Salt removal precedes phosphate application, enhancing soil phosphorus availability and promoting better growth. …”
Get full text
Article -
3418
Experimental Studies on Physicochemical Parameters of Water Samples before and after Treatment with a Cold Atmospheric Plasma Jet and its Optical Characterization
Published 2021-01-01“…In addition, the significant changes in the concentration and absorbance of nitrate, ferrous, and chromium ions with respect to treatment time were studied. …”
Get full text
Article -
3419
Antibiofilm and Anticancer Activity of Multi-Walled Carbon Nanotubes Fabricated with Hot-Melt Extruded Astaxanthin-Mediated Synthesized Silver Nanoparticles
Published 2025-01-01“…In addition, astaxanthin (AST) extract was used as a reducing agent for silver ions to enhance the antioxidant, antibiofilm, and anticancer activities of AgNPs. …”
Get full text
Article -
3420
Continuous-wave Laser on Er,Yb-Codoped Pentaborate Crystal
Published 2019-12-01“…A number of narrow lines were observed in the absorption spectra in the 1425–1575 nm spectral range (transition 4I15/2 → 4I13/2 of erbium ions). The lifetime of the upper laser level 4I13/2 of Er3+ ions was determined to be 390 ± 20 μs. …”
Get full text
Article