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132 articles for “Ions”
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Research ArticleOpen accessEvery word in the titleCircular Rydberg States of Lithium Atoms or Lithium-Like Ions in a High-Frequency Laser Field: The Break of the Algebraic SymmetryNikolay Kryukov, Eugene OksBeletsky, V. V. (2001). Essays on the Motion of Celestial Bodies (1st ed.). Birkhäuser Basel. https://doi.org/10.1007/978-3-0348-8360-3 Bethe, H. A., & Salpeter, E. E. (1957). Quantum Mechanics of One- and Two-Electron Atoms (1st ed.). Springer Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-12869-5 Kapitza, P. L. (1951a). A pendulum with oscillating suspension. Uspekhi Fizicheskikh Nauk, 44(1), 7–20. Kapitza, P. L. (1951b). Dynamic stability of a pendulum … …Physics International, Vol. 13, Issue 1 · 5 Mar 2022 · 7,161 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleThe Effect of Fluoride and Other Ions on Algae and Fish of Coastal Water of Mediterranean Sea, EgyptM. S. Masoud, W. M. El-Sarraf, A. A. Harfoush, G. F. El-SaidSea grass, marine algae and fish samples were collected from the Egyptian coast of Mediterranean Sea during September 2000 and March 2001. The contents of fluoride and some interfering ions (calcium, magnesium, sulphate, phosphorus and some heavy metals) ions and their concentration factors were determined in the dried samples. Fluoride contents in macrophytes, algae, muscle of fish samples were ranged … …American Journal of Environmental Sciences, Vol. 2, Issue 2 · 30 Jun 2006 · 7,265 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleComputer-Based Drift Radar System Design for Ionspheric Irregularities Measurements and AnalysisMusbah J. Aqel, Mohamd Al-EwiessiA computer based drift radar system has been designed for real time ionspheric irregularities measurements where closely spaced receiver technique has been utilized. A computerized interface with the system a long with real time software has been developed to keep tracking of the measured data for further analysis. The system has been implemented at locations and produced a reliable analysis. …Journal of Computer Science, Vol. 3, Issue 2 · 28 Feb 2007 · 6,725 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEffect of Metal Ions on The Functional Properties of Taro Protein IsolateYouru Huang, Yingtong Li, Zheng Zhang, Maoqiang ZhengThis study investigated the effects of metal ion species and concentrations on the functional properties of taro protein isolate (TPI), extracted from Colocasia esculenta corms. The results demonstrated that metal salt solutions could modulate the unfolding and aggregation of TPI, thereby altering its protein-protein and protein-water interactions and significantly affecting the functional properties. When monovalent cation concentration [M+] was less … …American Journal of Biochemistry and Biotechnology, Vol. 21, Issue 3 · 6 Jan 2026 · 2,012 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleTHE ASSOCIATION OF IONS IN THE SOIL SOLUTION OF SALINE SOILSA. P. Endovitsky, T. M. Minkina, V. P. Kalinichenko et al.The chemical equilibrium in the soil solution determines the dynamics of its material composition, migration and accumulation of salts. In the soil solution are formed electrically neutral ion pairs CaCO3°; CaSO4°, MgCO3°, MgSO4°, charged ion pairs CaHCO3+, MgHCO3+, NaCO3-, NaSO4-, CaOH+, MgOH+. The calculation method proposed for quantitative assessment of real ion forms in the soil solution of solonetz taking … …American Journal of Agricultural and Biological Sciences, Vol. 9, Issue 2 · 12 Feb 2014 · 8,048 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleBiosorption of Ternary Cadmium, Nickel and Cobalt Ions from Aqueous Solution onto Saccharomyces cerevisiae Cells: Batch and Column StudiesMaedeh Galedar, Habibollah YounesiThe aim of this study was to remove cadmium, nickel and cobalt ions from aqueous solutions using yeast, Saccharomyces cerevisiae, pre-treated with ethanol. The cells are immobilized using polysulfone in both batch and continuous systems. To optimize the adsorption capacity of the yeast biomass, a batch system was used to investigate the effects of initial pH, initial biomass dose and … …American Journal of Biochemistry and Biotechnology, Vol. 9, Issue 1 · 18 Mar 2013 · 7,948 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleKinetics and Thermodynamics of Cd(II) Ions Sorption on Mixed Sorbents Prepared from Olive Stone and Date Pit from Aqueous SolutionN. Babakhouya, S. Boughrara, F. AbadProblem statement: The aim of this study is to remove Cd(II) ions from aqueous solutions by adsorption. Mixed sorbent prepared from olive stone and date pit, an agricultural solid by-product was used as adsorbent. Approach: The adsorption experiments of Cd(II) onto the mixture of olive stone and date pit were conducted at different parameters such as, percent of olive stone … …American Journal of Environmental Sciences, Vol. 6, Issue 5 · 31 Oct 2010 · 6,916 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleComplexes of 2-Thioacetic Acid Benzothiazole with Some Metal IonsEmad Yousif, Yang Farina, Khawla Kasar et al.New metal complexes of the ligand 2-thioacetic acid benzothiazole with the metal ions Ni(II), Cu(II), Zn(II), Cd(II) and Sn(II) were prepared in alcoholic medium. The prepared complexes were characterized by FTIR Spectroscopy, electronic spectroscopy, 1HNMR, 13CNMR, magnetic susceptibility and conductivity measurements. From the spectral measurements, monomer structures for the complexes were proposed. Square planar geometry was proposed for the copper … …American Journal of Applied Sciences, Vol. 6, Issue 4 · 30 Apr 2009 · 7,846 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleInvestigation of Cadmium (II) Ions Biosorption onto Pretreated Dried Activated SludgeR. Darvishi Cheshmeh Soltani, A. Jonidi Jafari, Gh. Shams KhorramabadiProblem statement: Heavy metals have been one of hazardous components in industrial effluents that can be damaged on the environment by discharging uncontrolled wastewater. The aims of this investigation were biosorption of Cd (II) ions onto pretreated dried activated sludge and determination of kinetic and isotherm of biosorption. Approach: Activated sludge was obtained from Tehran municipal wastewater treatment plant. Activated … …American Journal of Environmental Sciences, Vol. 5, Issue 1 · 28 Feb 2009 · 7,706 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleChelation Study of Captopril with Cd2+ and Pb2+ IonsMohammad Joshaghani, M.B. Gholivand, A.R. MosavatThe protonation constants of Captopril, (1-(3-mercapto-2-(S)-methyl-1-oxopropyl)-S(L) proline, (CPL) and stabilities of its two divalent metal ions Cd(II) and Pb(II) were determined potentiometrically in two different metal to ligand ratio 1:1 and 1:2 systems and in water and methanol-water binary mixtures using the computer Best program. Two protonation constants were obtained which were assigned to the carboxylic and thiol groups. All … …American Journal of Biochemistry and Biotechnology, Vol. 4, Issue 3 · 30 Sep 2008 · 6,923 accessesView PDFCite