مرور Volume 21, Issue 6 بر اساس تاریخ انتشار
در حال نمایش موارد 1 - 10 از 10
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Stability of Binary and Ternary Copper (II) Complexes of 2((4-methyl-5-nitro-6-(pyrrolidine-1-yl)pyrimidine-2-yl)amino) propionic acid, in Aqueous Solution
(Sharif University of Technology, 2014-12-01)The acidity and stability constants of M (MNPPAP)[1] M: Cu2+, Cu (Bpy[2])2+, or Cu(Phen[3])2+ complexes, were determined by potentiometric pH titration. It is shown that the stability of the binary Cu (MNPPAP) complex is ...
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A New Segmental Local Composition Model for Calculation Thermodynamic Properties of Binary Polymer Solutions
(Sharif University of Technology, 2014-12-01)A new local composition model, Segmental-Wilson Non-Random Factor (S-Wilson-NRF), based on volume fraction is developed. The new activity coefficient model consists of combinatorial and residual terms that the combinatorial ...
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Sodium alginate: A renewable and very effective biopolymer catalyst for the synthesis of 3,4-dihydropyrimidin-2(1H)-ones
(Sharif University of Technology, 2014-12-01)A convenient and mild methodology is described for the preparation of 3,4-dihydropyrimidin-2(1H)-ones in the presence of sodium alginate as the biopolymer catalyst. The sodium alginate was found as a novel, very mild, ...
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Removal of Novacron black dye from aqueous solutions using low cost agricultural waste: Batch and fixed bed study
(Sharif University of Technology, 2014-12-01)The present study deals with the removal of Novacron Black dye with peanutpeels biomass, a low cost agricultural waste. The batch mode experiments were performed to compare the biosorption potential of selected biosorbent ...
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Numerical Study of the Agglomerates Dispersion Behavior in Shear and Elongational Flow Fields in Viscous Media Using Population Balance Modeling (PBM)
(Sharif University of Technology, 2014-12-01)In particulate systems, formation and fragmentation of agglomerates/aggregates are the major phenomena in the case of dynamic processing of suspensions. In the present work, the dispersion of the agglomerates was studied ...
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Citric acid as an e cient and trifunctional organo catalyst for one-pot synthesis of new indolenines by Fischer's method at reflux condition in ethanol
(Sharif University of Technology, 2014-12-01)New indolenines I(1-18) were prepared by Fischer indole synthetic reaction of hydrazines derivatives H(1-6) with isoproylmethylketone K1, 2-methylcyclohexanone K2 and diisopropyl ketone K3 in presence of citric acid as a ...
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Efficient synthesis of 9-aryl-1,8-dioxo-octahydroxanthenes using melamine trisulfonic acid under thermal, microwave and ultrasound conditions
(Sharif University of Technology, 2014-12-01)In this work, efficient synthesis of 9-aryl-1,8-dioxo-octahydroxanthene derivatives from 1,3-cyclohexanediones and arylaldehydes in the presence of catalytic amount of melamine trisulfonic acid (MSTA) is described. The ...
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Mn(III) complex catalyzed agreen synthesis of 2-amino-4H-chromen-5(6H)-onesin basic aqueous solution at ambient temperature
(Sharif University of Technology, 2014-12-01)An efficient and environmentally friendly method for the synthesis of 2-amino-chromen-5(6H)-onesas important pharmaceutical compounds has been developed using [N,N'-bis(benzoylacetone)-1,2-ethylenediimine]Mn(III) chloride ...
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Phthalic acid as a di-functional organocatalyst for the regioselective thiocyanation of aromatic compounds
(Sharif University of Technology, 2014-12-01)A green and simple procedure for the thiocyanation of aromatic and heteroaromaric compounds in the presence of a catalytic amount of phthalic acid in water/ethanol is described. The reactions proceed at high yields, short ...
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Lattice Boltzmann relative permeability for CO2-brine system in a 2D porous medium
(Sharif University of Technology, 2014-12-01)CO2 sequestration is a pretty new eld with little relevant published data considering the relative permeability of CO2-brine systems at in-situ conditions. Precise determinations of relative permeability data in gas ...
