Volume 21, Issue 3
مرور بر اساس
ارسال های اخیر
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Removal of Zirconium from Aqueous Solution by Aspergillus niger
(Sharif University of Technology, 2014-06-01)Removal of zirconium from its dilute aqueous solution by using Aspergillus niger as dried and living biomass was investigated. Through that, the effect of some operational parameters including pH, temperature, contact time, ...
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Effects of Breadfruit Seed Hull Ash Particles on Microstructures and Properties of Recycled Low Density Polyethylene/Breadfruit Seed Hull Ash Composites
(Sharif University of Technology, 2014-06-01)Renewable resources such as natural fillers in reinforced materials with their new range of applications represent an important basis of fulfilling the ecological objective of creating environmental friendly materials. ...
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Estimation of Naturally Fractured Oil Reservoir Properties Using Material Balance Method
(Sharif University of Technology, 2014-06-01)In fractured reservoirs, large variation of permeability due to the presence of fractures leads to the changes in production mechanism comparing to the conventional reservoirs. Hence, an appropriate model with ability to ...
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Investigating the Role of Ultrasonic Wave on Two-Phase Relative Permeability in Free Gravity Drainage Process
(Sharif University of Technology, 2014-06-01)In this work, the process of free gravity drainage under the influence of ultrasonic waves was investigated. A glass bead pack porous medium was used to perform the free fall gravity drainage experiments. The tests were ...
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A facile and green three-component synthesis of 2-amino-3-cyano-7-hydroxy-4H-chromenes on grinding
(Sharif University of Technology, 2014-06-01)A simple, efficient and one-pot method has been developed for the synthesis of densely functionalized aryl derivatives of 2-amino-3-cyano-7-hydroxy-4H-chromene by the domino Knoevenagel-Michael-cyclization reactions of ...
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Solvent-free synthesis of -benzylpyrano[3,2-c]pyran/chromene-2,5-diones via tandem reaction of 4-hydroxy-6-methyl-pyran-2-one and 4-hydroxycoumarin with Baylis-Hillman adduct acetates
(Sharif University of Technology, 2014-06-01)4-hydroxycoumarin 2a and 4-hydroxy-6-methyl-pyran-2-one 2b were applied in a one-pot reaction with Baylis-Hillman adduct acetates 1 to form novel 3-benzylpyrano [3, 2-c] pyran-2, 5-diones 3 in high yields (70-85%). The ...
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Dielectric Analysis of Novel Bipodal and Tripodal Piperidin-4-ones
(Sharif University of Technology, 2014-06-01)Novel bipodal, tripodalpiperidin-4-ones and their corresponding piperidin-4-ols were subjected to dielectric analysis which signifies drug delivery. The studies revealed that these compounds can exhibit better drug release ...
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An Efficient, Three-Component Synthesis of 1-Aryl-2,3-Dihydro-3-Phenyl- 1H- Naphth[1,2-e][1,3]Oxazines Derivatives; Using LaCl3/ClCH2COOH as Environmentally Benign and Green Catalytic System
(Sharif University of Technology, 2014-06-01)1-Aryl-2,3-dihydro-3-phenyl-1H-naphth[1,2-e][1,3]oxazines are synthesized in good to excellent yields in the presence of LaCl3/ClCH2COOH as an inexpensive and environmentally benign catalytic system under solvent-free conditions.
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Spectrophotometric determination of paracetamol using Hydrogel based semi solid-liquid dispersive microextraction
(Sharif University of Technology, 2014-06-01)A simple, fast and inexpensive method based on dispersive liquid-liquid microextraction (DLLME) and dispersive solid-phase extraction (DSPE) has been developed for preconcentration and spectrophotometric determination of ...
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An efficient synthesis of monoarylidene derivatives of pyran-4-one and piperidin-4-one
(Sharif University of Technology, 2014-06-01)A room-temperature procedure is developed for the direct synthesis of monoarylidene derivatives of pyran-4-one and piperidin-4-one systems under solvent-free conditions. Relatively high yields of products are obtained from ...
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Silica supported boron trifluoride nanoparticles(BF3-SiO2 NPs): An efficient and reusable catalyst for one-pot synthesis of benzo[a]xanthene-11-onederivatives
(Sharif University of Technology, 2014-06-01)Silica supported boron trifluoride nanoparticles(BF3-SiO2 NPs) as a mild solid acid catalyst has been used for an improved and rapid one-pot synthesis of benzo[a]xanthene-11-onederivatives using EtOH as a reaction medium. ...
