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2.915 Aktuelle Fachpublikationen zum Thema temperature

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The influence of nitrogen and oxygen additions on the thermal characteristics of aluminium-based thin films

23.08.2015 | Author(s): J. Borges, F. Macedo, F.M. Couto, M.S. Rodrigues, C. Lopes, P. Pedrosa, T. Polcar, L. Mar ..., Materials Chemistry and Physics, 2015

Publication date: Available online 19 August 2015 Source:Materials Chemistry and Physics Author(s): J. Borges, F. Macedo, F.M. Couto, M.S. Rodrigues, C. Lopes, P. Pedrosa, T. Polcar, L. Marques, F. Vaz The ternary aluminium oxynitride (AlNxOy) system offers the possibility ...

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Flexible Transparent Films Based on Nanocomposite Networks of Polyaniline and Carbon Nanotubes for High‐Performance Gas Sensing

21.08.2015 | Pengbo Wan, Xuemei Wen, Chaozheng Sun, Bevita K. Chandran, Han Zhang, Xiaoming Sun, Xiaodong Chen, Small, 2015

A flexible, transparent, chemical gas sensor is assembled from a transparent conducting film of carbon nanotube (CNT) networks that are coated with hierarchically nanostructured polyaniline (PANI) nanorods. The nanocomposite film is synthesized by in‐situ, chemical oxidative polymerization of ...

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Conformations of cationized linear oligosaccharides revealed by FTMS combined with in‐ESI H/D exchange

20.08.2015 | Yury Kostyukevich, Alexey Kononikhin, Igor Popov, Eugene Nikolaev, Journal of Mass Spectrometry, 2015

Previously (Kostyukevich et al. Anal Chem 2014, 86, 2595), we have reported that oligosaccharides anions are produced in the electrospray in two different conformations, which differ by the rate of gas phase hydrogen/deuterium (H/D) exchange reaction. In the present paper, we apply the ...

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Gas Phase Kinetics of 2,2,2-Trifluoroethylbutyrate with the Cl Atom: An Experimental and Theoretical Study

19.08.2015 | G. Srinivasulu; B. Rajakumar, Journal of Physical Chemistry A, 2015

The gas phase temperature dependent rate coefficients of Cl atoms with 2,2,2-trifluoroethylbutyrate, CH3CH2CH2C(O)OCH2CF3, were measured in the temperature range 268–343 K, at atmospheric pressures using the relative rate method, with ethyl acetate and ethane as reference compounds. The ...

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Experimental Study of Tetrahydrofuran Oxidation and Ignition in Low-Temperature Conditions

18.08.2015 | Guillaume Vanhove; Yi Yu; Mohamed A. Boumehdi; Ophélie Frottier; Olivier Herbinet; Pierre-Alexandre Glaude; Frédériq ..., Energy & Fuels, 2015

The chemistry associated with low-temperature oxidation and ignition of tetrahydrofuran (THF) has been probed through experimental work in two distinct devices: a rapid compression machine (RCM) and a jet-stirred reactor (JSR). Ignition delays of stoichiometric THF/O2/inert mixtures have been ...

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Numerical simulation of gas‐solid heat transfer behaviour in rectangular spouted bed

18.08.2015 | Chunhua Wang, Zhaoping Zhong, Xiaoyi Wang, Siti Aisyah Alting, The Canadian Journal of Chemical Engineering, 2015

Abstract In order to investigate heat transfer behaviour at an individual particle scale, the particle cooling process in a rectangular spouted bed is simulated by the Computational Fluid Dynamics‐Discrete Element Method (CFD‐DEM). As the inlet gas velocity increases, the gas‐particle ...

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Carbon Nanotube Synthesis Using Coal Pyrolysis

17.08.2015 | Kapil Moothi; Geoffrey S. Simate; Rosemary Falcon; Sunny E. Iyuke; M. Meyyappan, Langmuir, 2015

This study investigates carbon nanotube (CNT) production from coal pyrolysis wherein the output gases are used in a chemical vapor deposition reactor. The carbon products are similar to those using commercial coal gas as feedstock, but coal is a relatively cheaper feedstock compared to high ...

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Thermodynamic and kinetic stability of zwitterionic histidine: Effects of gas phase hydration

16.08.2015 | Author(s): Sung-Sik Lee, Ju-Young Kim, Yuna Han, Hyun-Jin Shim, Sungyul Lee, Chemical Physics Letters, 2015

Publication date: 16 September 2015 Source:Chemical Physics Letters, Volume 637 Author(s): Sung-Sik Lee, Ju-Young Kim, Yuna Han, Hyun-Jin Shim, Sungyul Lee We present calculations for histidine–(H2O) n (n =0–6) to examine the effects of micro-hydrating water molecules on the ...

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Sensors, Vol. 15, Pages 20069-20085: Gas-Sensing Performance of M-Doped CuO-Based Thin Films Working at Different Temperatures upon Exposure to Propane

14.08.2015 | Rydosz, Artur ; Szkudlarek, Aleksandra, Sensors, 2015

Cupric oxide (CuO) thin films are promising materials in gas sensor applications. The CuO-based gas sensors behaved as p-type semiconductors and can be used as part of an e-nose or smart sensor array for breath analysis. The authors present the investigation results on M-doped CuO-based (M = Ag, ...

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Entropy, Vol. 17, Pages 5829-5847: Parametric Analysis of a Two-Shaft Aeroderivate Gas Turbine of 11.86 MW

14.08.2015 | Lugo-Leyte, R. ; Salazar-Pereyra, M. ; Méndez, H. D. Lugo; Aguilar-Adaya, I. ; Ambriz-García, J. J.; Vargas, J. G. V ..., Entropy, 2015

The aeroderivate gas turbines are widely used for power generation in the oil and gas industry. In offshore marine platforms, the aeroderivative gas turbines provide the energy required to drive mechanically compressors, pumps and electric generators. Therefore, the study of the performance of ...

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