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3.896 Aktuelle Fachpublikationen zum Thema temperature

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A simple SVS method for obtaining large-scale WO3 nanowire cold cathode emitters at atmospheric pressure and low temperature

17.12.2014 | Zhuo Xu; Fei Liu; Daokun Chen; Tongyi Guo; Shunyu Jin; Shaozhi Deng; Ningsheng Xu; Jun Chen, CrystEngComm, 2014

Large-scale WO3 nanowire patterns have been successfully fabricated on a 3.5 inch glass substrate at atmospheric pressure by a simple no-catalyst method. The nanowires were observed to have a mean length of about 40 μm, and their aspect ratio reaches 200. The nanowires were proven to be single ...

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Fabrication and Evaluation of Porous Ti-HA Bio-Nanomaterial by Leaching Process

14.12.2014 | Author(s): A.M. Omran , Kee Do Woo , Duck Soo Kang , G.T. Abdel-Gaber , H. Fouad , Hany S. Abdo , Khalil Abdel ..., Arabian Journal of Chemistry, 2014

Publication date: Available online 8 December 2014 Source:Arabian Journal of Chemistry Author(s): A.M. Omran , Kee Do Woo , Duck Soo Kang , G.T. Abdel-Gaber , H. Fouad , Hany S. Abdo , Khalil Abdelrazek Khalil A porous surface of Ti-HA composite was successfully fabricated by pulsed ...

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Role of Hydrogen Abstraction Acetylene Addition Mechanisms in the Formation of Chlorinated Naphthalenes. 2. Kinetic Modeling and the Detailed Mechanism of Ring Closure

12.12.2014 | Grant J. McIntosh; Douglas K. Russell, Journal of Physical Chemistry A, 2014

The dominant formation mechanisms of chlorinated phenylacetylenes, naphthalenes, and phenylvinylacetylenes in relatively low pressure and temperature (∼40 Torr and 1000 K) pyrolysis systems are explored. Mechanism elucidation is achieved through a combination of theoretical and experimental ...

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Viscosity and Density of Aqueous Solutions of Carbon Dioxide at Temperatures from (274 to 449) K and at Pressures up to 100 MPa

12.12.2014 | Mark McBride-Wright; Geoffrey C. Maitland; J. P. Martin Trusler, Journal of Chemical & Engineering Data, 2014

The viscosity and density of aqueous solutions of carbon dioxide having mole fractions of CO2 of 0.0086, 0.0168, and 0.0271 are reported. The measurements were made in the single-phase compressed liquid region at temperatures between (294 and 449) K at pressures up to 100 MPa; additional density ...

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New Experimental Data and Reference Models for the Viscosity and Density of Squalane

12.12.2014 | Kurt A. G. Schmidt; Doug Pagnutti; Meghan D. Curran; Anil Singh; J. P. Martin Trusler; Geoffrey C. Maitland; Mark Mc ..., Journal of Chemical & Engineering Data, 2014

Empirical models for the density and the viscosity of squalane (C30H62; 2,6,10,15,19,23-hexamethyltetracosane) have been developed based on an exhaustive review of the data available in the literature and new experimental density and viscosity measurements carried out as a part of this work. The ...

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Unravelling the Dependence of Hydrogen Oxidation Kinetics on the Size of Pt Nanoparticles by in Operando Nanoplasmonic Temperature Sensing

11.12.2014 | Kristina Wettergren; Anders Hellman; Filippo Cavalca; Vladimir P. Zhdanov; Christoph Langhammer, Nano Letters, 2014

We use a noninvasive nanoscale optical-temperature measurement method based on localized surface plasmon resonance to investigate the particle size-dependence of the hydrogen oxidation reaction kinetics on model supported Pt nanocatalysts at atmospheric pressure in operando. With decreasing ...

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Sublimation Enthalpies of 5-Haloderivatives of 1,3-Dimethyluracil

11.12.2014 | Bruno Brunetti; Simona Irrera; Gustavo Portalone, Journal of Chemical & Engineering Data, 2014

Vapor pressure of solid 1,3-dimethyluracil, 5-fluoro-1,3-dimethyluracil, 5-bromo-1,3-dimethyluracil, and 5-iodo-1,3-dimethyluracil were determined by Knudsen effusion method. The sublimation enthalpies and entropies at the average temperatures of the experimental ranges were calculated from the ...

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Gas Production from Methane Hydrates in a Dual Wellbore System

11.12.2014 | Matilda Loh; Jun Lin Too; Simon Falser; Praveen Linga; Boo Cheong Khoo; Andrew Palmer, Energy & Fuels, 2014

In a previous study using a single wellbore production system, it was demonstrated that a combination of depressurization and wellbore heating is more efficient than depressurization alone, where the endothermic dissociation process rapidly consumes the specific heat of the formation, leading to ...

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Classical and Nonclassical Germanium Environments in High-Pressure BaGe5

11.12.2014 | Rodrigo Castillo; Wilder Carrillo-Cabrera; Ulrich Schwarz; Yuri Grin, Inorganic Chemistry, 2014

A new crystalline form of BaGe5 was obtained at a pressure of 15(2) GPa in the temperature range from 1000(100) to 1200(120) K. Single-crystal electron and powder X-ray diffraction patterns indicate a body-centered orthorhombic structure (space group Imma, Pearson notation oI24) with unit cell ...

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Molecules, Vol. 19, Pages 20594-20612: Vapour Phase Hydrogenation of Phenol over Rhodium on SBA-15 and SBA-16

10.12.2014 | Giraldo, Liliana ; Bastidas-Barranco, Marlon ; Moreno-Piraján, Juan Carlos, Molecules, 2014

In the present work, mesoporous SBA-15 and SBA-16 were synthesised using classical methods, and their physicochemical properties were investigated by X-ray diffraction (XRD), FTIR, TEM and N2 adsorption–desorption. Rhodium (Rh, 1 wt %) was loaded on the mesoporous SBA-15 and SBA-16 by an ...

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