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921
The preparation of magnesium ferrous sulfate from pre-oxidized acid mine drainage
Published 2025-01-01“…The results showed that the retention rate of nanofiltration for all metal ions reached over 93%, and the retention rate for iron and magnesium reached 98%. …”
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922
Application and Analysis of an Ionic Liquid Gel in a Soft Robot
Published 2019-01-01“…Because the traditional ionic electroactive polymers, such as ionic polymer-metal composites (IPMCs), contain water ions, a soft actuator does not work properly upon the evaporation of water ions. …”
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923
On the Primary Ionization Mechanism(s) in Matrix-Assisted Laser Desorption Ionization
Published 2012-01-01“…The laser irradiation leads to the cleavage of these hydrogen bonds, and theoretical calculations show that both [Ma+H]+ and [Ma-H]- ions can be formed through a two-photon absorption process. …”
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924
Hydrochemistry and Entropy-Based Groundwater Quality Assessment in the Suining Area, Southwestern China
Published 2021-01-01“…Piper trilinear diagram showed the hydrochemical type was characterized as Ca-HCO3. Correlations of ions and geomodelling revealed the concentrations of major ions were mainly determined by carbonate dissolution and ion exchange process, and NO3− concentrations were controlled by agriculture activities. …”
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925
Er<sup>3+</sup>,Yb<sup>3+</sup>:YGdSiO<sub>5</sub> Crystal as Gain Media for Lasers Emitting in the Spectral Range of 1.5–1.6 µm
Published 2022-04-01“…The energy transfer efficiency from ytterbium to erbium ions was estimated. The stimulated emission and gain cross-section spectra for Er3+ ions in YGSO were calculated.…”
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926
Physicochemical Performance of Portland-Rice Husk Ash-Calcined Clay-Dried Acetylene Lime Sludge Cement in Sulphate and Chloride Media
Published 2019-01-01“…In chloride solutions, the cement exhibited the highest leach in the selected ions except K+ and Na+ ions. The results further showed that PCDC exhibited lower pH in all the media compared to OPC and PPC. …”
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927
Chemical Compositions of Dew and Scavenging of Particles in Changchun, China
Published 2015-01-01“…The concentration of main ions in dew was 1.5–5.7 times higher than levels in rainwater. …”
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928
Durability of Steel Fibres Reinforcement Concrete Beams in Chloride Environment Combined with Inhibitor
Published 2016-01-01“…The steel surface immersed in the inhibitor free solution was seen to have been subject to chloride ions attacks as shown in this study. The interest to the field of the present study is the relatively higher durability of the performance when using the inhibitor. …”
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929
Adsorption of Pb2+, Zn2+ and Ni2+ from Aqueous Solution by Helix aspera Shell
Published 2009-01-01“…The adsorption potentials of Helix aspera shell is largely influenced by the ionic character of the ions and occurred according to the order Pb2+ > Ni2+ > Zn2+. …”
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930
Synthesis and Structural Studies of First Row Transition Metal Complexes with Tetradentate ONNO Donor Schiff Base Derived from 5-Acetyl 2,4-dihydroxyacetophenone and Ethylenediami...
Published 2011-01-01“…The Schiff base binds to metal ions in bis-multidentate ONNO mode leading to two dimensional Schiff base polymers. …”
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931
Why Do Tetrapropylammonium Chloride and Sulphate Salts Destabilize the Native State of Globular Proteins?
Published 2014-01-01“…This happens because TPA+ ions are so large in size and interact so weakly with water molecules, due to their very low charge density, to be able to counteract the electrostrictive effect of chloride and sulphate ions on the water structure, so that the density of their aqueous solutions is smaller or only slightly larger than that of water.…”
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932
Mass Fragmentation Characteristics of t-Boc Substituted Drug Precursors
Published 2025-01-01“…The main product ions of t-Boc substituted drug precursors are tert butyl ion (C4H9+), and product ions of [M−C4H8]+, [M−C4H9O•]+, and [M−C5H8O2]+ under EI mode. …”
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933
Disruption of zinc homeostasis reverses tigecycline resistance in Klebsiella pneumoniae
Published 2025-02-01“…However, bacteria have evolved mechanisms to expel excess zinc ions from their cells, enabling them to thrive in environments rich in metal ions at high concentrations. …”
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934
The Effect of Transition Metal Doping on the Photooxidation Process of Titania-Clay Composites
Published 2008-01-01“…We show that doping metal ions can also be delivered to the surface of the support by ion exchange and significantly alters the optical characteristics of the TiO2/clay composite.…”
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935
Comparison of spectrophotometric, potentiometric and voltammetric methodologies for the determination of nitrite and nitrate in industrial effluents and in watercourses
Published 2024-12-01“…The presence of nitrate and nitrite ions in these waters is a concern, as they are harmful to human health. …”
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936
Facile Synthesis of Graphene Oxide/Titanate Nanotube Composites and Their Application for Cobalt(II) Removal
Published 2022-01-01“…However, the existences of Cu2+, Cd2+, and Pb2+ ions would clearly have an effect on the Co(II) adsorption of the GTNT composites. …”
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937
Synthesis, Spectral Characterization, and Thermal and Cytotoxicity Studies of Cr(III), Ru(III), Mn(II), Co(II), Ni(II), Cu(II), and Zn(II) Complexes of Schiff Base Derived from 5-H...
Published 2018-01-01“…Coordination compounds of Cr(III), Ru(III), Mn(II), Co(II), Ni(II), Cu(II), and Zn(II) ions were synthesized from the furan ligand [5-hydroxymethylfuran-2-yl-methyleneaminoquinolin-2-one] (H-MFMAQ) derived from the condensation of 5-hydroxymethylfuran-2-carbaldehyde and 1-aminoquinolin-2(1H)-one. …”
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938
Acridine-2,4-Dinitrophenyl Hydrazone Conjugated Silver Nanoparticles as an Efficient Sensor for Quantification of Mercury in Tap Water
Published 2022-01-01“…Among all the added metal ions, only Hg2+resulted in significant quenching in the absorption intensity of ACR-AgNPs. …”
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939
Differentiation between 3,4- and 4,15-Epoxyeudesmanolides by Electrospray Ionization Tandem Mass Spectrometry
Published 2017-01-01“…However, we identified four product ions that allowed for the differentiation between 3,4- and 4,15-epoxyeudesmanolides. …”
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940
Comparative Study on Biosorption of Zn(II), Cu(II) and Cr(VI) from Textile Dye Effluent Using Sawdust and Neem Leaves Powder
Published 2010-01-01“…Removal of heavy metal ions from the textile dye effluent increases with increase in adsorbent dosage. …”
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