نتایج جستجو برای: dispersive x

تعداد نتایج: 632880  

2017

Submit Manuscript | http://medcraveonline.com Abbreviations: MB: Methylene Blue; PEC: Photo Electrochemical; Isc: Short Circuit Current; Voc: Open Circuit Voltage; XRD: X-Ray Diffraction; FE-SEM: Field Emission Scanning Electron Microscopy; AOP: Advanced Oxidation Process; CBD: Chemical Bath Deposition; EDS: Energy Dispersive X-Ray Spectroscopy; BET: Brunauer-Emmer-Teller; FWHM: Full Width At H...

2016
W. B. Holzapfel

2014 In the first part, various techniques and examples for X-ray diffraction on polycrystalline samples under high pressure will be reviewed with special emphasis on a comparison between angular and energy dispersive techniques. The second part reviews X-ray diffraction techniques for single crystals under pressure and demonstrates on few examples typical applications. Revue Phys. Appl.19 (198...

2006
James Colliander

From the outset, mathematicians and physicists have been concerned with the ways in which solutions to this equation can be associated to classical particle motion, and the ways in which they cannot: the classical dynamical behavior of particles is intermixed with dispersive spreading and interference phenomena in quantum theory. More recently, nonlinear Schrödinger equations have come to play ...

2014
Piet Schönherr Liam J Collins-McIntyre ShiLei Zhang Patryk Kusch Stephanie Reich Terence Giles Dominik Daisenberger Dharmalingam Prabhakaran Thorsten Hesjedal

: High-density growth of single-crystalline Bi2Se2Te nanowires was achieved via the vapour-liquid-solid process. The stoichiometry of samples grown at various substrate temperatures is precisely determined based on energy-dispersive X-ray spectroscopy, X-ray diffraction, and Raman spectroscopy on individual nanowires. We discuss the growth mechanism and present insights into the catalyst-precur...

Journal: :Asymptotic Analysis 2009
Fernando Cardoso Claudio Cuevas Georgi Vodev

We prove optimal (that is, without loss of derivatives) dispersive estimates for the Schrödinger group e ) for a class of real-valued potentials V ∈ Ck(R), V (x) = O(〈x〉), where n = 4, 5, k > (n− 3)/2, δ > 3 if n = 4 and δ > 5 if n = 5.

Journal: :Asymptotic Analysis 2008
Simon Moulin

We prove dispersive estimates at low frequency in dimensions n ≥ 4 for the wave equation for a very large class of real-valued potentials, provided the zero is neither an eigenvalue nor a resonance. This class includes potentials V ∈ L∞(R) satisfying V (x) = O ( 〈x〉−(n+1)/2−ǫ ) , ǫ > 0.

Journal: :Chemical reviews 2008
Sidney J Omelon Marc D Grynpas

5. Inorganic Polyphosphate Chemistry 4699 5.1. History 4699 5.2. Definition 4699 5.3. Formation 4699 5.4. Hydrolytic Degradation (Hydrolysis) 4699 5.5. Analytical Methods 4700 5.5.1. Chromatography 4700 5.5.2. Hydrolytic Degradation Assay 4700 5.5.3. Titration 4700 5.5.4. Colorimetry 4700 5.5.5. Solubility Fractionation 4700 5.5.6. Gel Electrophoresis 4700 5.5.7. P NMR 4700 5.5.8. Infrared 4700...

2006
R. H. Bari L. A. Patil P. P. Patil

Thin films of copper indium diselenide (CIS) were prepared by chemical bath deposition technique onto glass substrate at 60C. The studies on composition, morphology, optical absorption, electrical conductivity and structure of the films were carried out. Characterization includes X-ray diffraction (XRD), Scanning electron microscopy (SEM), Atomic force microscopy (AFM), Energy dispersive x-ray ...

Journal: :Chemical communications 2003
Gareth R Williams Alexander J Norquist Dermot O'Hare

The intercalation reactions have been studied using in situ energy dispersive X-ray diffraction; ordered second stage heterostructures were observed as intermediate phases, which is almost unprecedented for rigid layer host materials.

Journal: :تابش و فناوری هسته ای 0
غلامرضا زارعی دانشکده مهندسی شیمی، نفت و گاز، دانشگاه سمنان، سمنان، ایران علی مالکی فارسانی سازمان انرژی اتمی ایران ، شرکت پسمانداری صنعت هسته ای ایران، تهران، ایران امیر حیدری سازمان انرژی اتمی ایران ، شرکت پسمانداری صنعت هسته ای ایران، تهران، ایران مسعود نصیری دانشکده مهندسی شیمی، نفت و گاز، دانشگاه سمنان، سمنان، ایران

in this paper, nano fibers (engelhard corporation titanosilicate number 10 / polyacrylonitrile) ets-10 / pan, as a composite exchanger to absorb heavy metals, were synthesized and optimized. several parameters were affected on this absorption. results show that the optimization sizes of the nano fibers are about 75 nanometers. structures were analyzed by scanning electron microscope (sem) and e...

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