Volume 1, Issue 1
مرور بر اساس
ارسال های اخیر
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Direct oxidation of benzene to phenol in liquid phase by H2O2 over vanadium catalyst supported on highly ordered nanoporous silica
(University of Kashan, 2011-01-01)Vanadium supported on highly ordered nanoporous silica (VOx-LUS-1) was synthesized and characterized by XRD, Nitrogen adsorption‑desorption isotherms and UV-visible spectrophotometer. Direct oxidation of benzene to phenol ...
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Laminar mixed convection of Cu-water nano-fluid in two- sided lid-driven enclosures
(University of Kashan, 2011-01-01)The fluid flow and heat transfer in lid-driven enclosures filled with Cu-water nanofluid is numerically investigated. The moving vertical walls of the enclosure are maintained in a constant temperature, while the horizontal ...
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A chemoselective and green reduction of nitro arenes to aromatic amines with FeSO4, NaBH4, H3PW12O40 in water at room temperature
(University of Kashan, 2011-01-01)A new efficient and practical method for the room-temperature reduction of aromatic nitro compounds employing FeSO4. 7H2O, NaBH4, H3PW12O40 system in H2O under mild conditions is reported. The method is simple, inexpensive, ...
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Deconvoluted Si 2p Photoelectron Spectra of Ultra thin SiO2 film with FitXPS method
(University of Kashan, 2011-01-01)The main impetus for our research is provided by the growing interest worldwide in ultra thin silicon dioxide on silicon based nano devices. The obvious need for better knowledge in the ultra thin gate silicon dioxides, ...
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Synthesis and characterization of manganese oxide and cobalt oxide nano-structure
(University of Kashan, 2011-01-01)The preparation of nanostructure type manganese oxide and cobalt oxide materials with the smallest particle size is reported here. The nanorod manganese oxide and cobalt oxide nanotube were prepared via a sol-gel reaction ...
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Thermo-elastic behavior of a thick-walled composite cylinder reinforced with functionally graded SWCNTs
(University of Kashan, 2011-01-01)In this article, thermo-elastic-behavior of a thick-walled cylinder made from a polystyrene nanocomposite reinforced with functionally graded (FG) single-walled carbon nanotubes (SWCNTs) was carried out in radial direction ...
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Synthesis and characterization of high-temperature ceramic YBCO nanostructures prepared from a novel precursor
(University of Kashan, 2011-01-01)As a new precursor, [tris(2-hydroxyacetophenato) triaqua(III)], [Y(HAP)3(H2O)3]; complex was used in thermal decomposition process for the synthesis of rod-like high-temperature ceramic YBCO with length of about 320-350 ...
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Immobilization of a molybdenum complex with tetradentate ligand on mesoporous material MCM-41 as catalyst for epoxidation of olefins
(University of Kashan, 2011-01-01)Covalent grafting of MCM-41 with 3-chloropropyl trimethoxysilane and subsequent reaction respectively with acacdien and complexation with MoO2(acac)2 afforded MoO2acacdien@MCM-41. X-ray diffraction and nitrogen sorption ...
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Synthesis and characterization of the Pt/SiO2 nanocomposite by the sol-gel method
(University of Kashan, 2011-01-01)The silica supported platinum nanoparticles was synthesized by using the sol-gel method. The possibility of using diamminedinitro platinum (II) as Pt precursor and effect of metal precursor concentration on the final Pt ...
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Chemico- thermal synthesis of nano-structured cobalt with distinct magnetic property
(University of Kashan, 2011-01-01)The synthesis of nano- structured cobalt through a controlled chemical process followed by heat treating at various temperatures is studied. The product is characterized by ICP, XRD, FESEM , and TEM, indicating that the ...
