نتایج جستجو برای: type reaction

تعداد نتایج: 1699872  

Journal: :Acta Crystallographica Section A Foundations of Crystallography 2006

Journal: Journal of Nanoanalysis 2016
Ali Mohajeri, Mehdi Bakavoli Seyed Mohammad Seyedi Yahya Zamani

Oxidation of cyclooctene was studied in presence aqueous hydrogen peroxide (30%, v/v) over nano iron oxide. The catalyst prepared by microemulsion method and characterized using various techniques including XRD, TEM and BET techniques for evaluating phase, structure and morphology and surface area. In this study, we investigated the effects of varying the catalyst content, reaction temperature,...

Journal: :مجله دانشکده پزشکی دانشگاه علوم پزشکی تهران 0
پروین منصوری p mansouri شیدا شمس فریدون دواچی محمود اکبریان فرهاد شهرام

the skin hyperreactivity, detected by the pathergy test, is a well known phenomenon in behcet's disease. two different methods were used for the pathergy test. a) a needle prick, b) an intadermal injection of normal saline. in this study 83% of behcet's patients had a positive pathergy test. where as 44% was of pustule type and 39% of papule type. in 26% of patients the papule formati...

A protocol for the synthesis of 1,4-dihydropyridines (Hantzsch type-products) was developed by means of a three-component condensation of an aldehyde, a β-dicarbonyl compound, ammonium acetate and nano Al2O3/KF as catalyst. This reaction was carried out under different conditions including i) solvent-free ii) and reflux in different solvents. In all conditions, the desired products were obtaine...

Biginelli-type reaction was developed by means of a three-component condensation of analdehyde, ethyl acetoacetate, urea or thiourea and nano alumina sulfonic acid (Al2O3-SO3H)(NASA) as catalyzed. It is carried out under different conditions. In all conditions, the desiredproducts are obtained in high yields after relatively short reaction times. Nevertheless, thereactions proceeded faster and ...

Hossein Faramarzi, Mehdi Ebadi,

Background and Aims: The aim of present study was to investigate the molecular characteristic of Staphylococcus aureus to detect mec A gene and to type SCCmec in strain isolated from healthy worker at Larestan Hospital. Material and Methods: This study was carried out from the 250 nasal swab healthy worker  at Larestan hospital. Multiplex polymerase chain reaction for mecA gene was perf...

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