مرور Volume 12, Issue 3 بر اساس تاریخ انتشار
در حال نمایش موارد 1 - 5 از 5
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Flame atomic absorption spectrometric determination of Cd(II), Zn(II) and Ag(I) in different matrixes after solid phase extraction on sodium dodecyl sulfate (SDS)-coated alumina as their 2,3 Di Hydro 2,3 para tolyl Qinazoline (1 H)- 4 one (DPTQO)
(Tehran, Islamic Azad University of Iran, Science and Research Branch, 2015-12-01)A sensitive and selective solid phase extraction procedure for the determination of traces of Cd(II),Zn(II) and Ag(I) ions has been developed. An alumina-sodium dodecyl sulfate (SDS) coated on with2,3 Di Hydro ...
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Theoretical Investigation of Hyper-coordinate Planar Si Clusters in [SiMnHn]q (M = Cu, Ni and n = 4, 5, 6)
(Tehran, Islamic Azad University of Iran, Science and Research Branch, 2015-12-01)In this study, the geometries of the [SiNinHn]q and [SiCunHn]q clusters, (n = 4,5,6 and q = 0,+1,-1) complexes have been optimized to form complexes with four, five and six planar and nonplanarsubstituents, ...
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Prediction of accurate pKa values of some α -substituted carboxylic acids with low cost of computational methods
(Tehran, Islamic Azad University of Iran, Science and Research Branch, 2015-12-01)The acidity constants (pKa) of thirty four (34) ;-substituted carboxylic acids in aqueous solution havebeen calculated using conductor-like polarizable continuum (C-PCM) solvation model. The gasphaseenergies ...
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Application of Graph Theory: Relationship of Topological Indices with the Partition Coefficient (logP) of the Monocarboxylic Acids
(Tehran, Islamic Azad University of Iran, Science and Research Branch, 2015-12-01)It is well known that the chemical behavior of a compound is dependent upon the structure of itsmolecules. Quantitative structure – activity relationship (QSAR) studies and quantitative structure –property ...
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A Survey of Direct Methods for Solving Variational Problems
(Tehran, Islamic Azad University of Iran, Science and Research Branch, 2015-12-01)This study presents a comparative survey of direct methods for solving Variational Problems. Thisproblems can be used to solve various differential equations in physics and chemistry like RateEquation for a ...
