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1.861 Aktuelle Fachpublikationen zum Thema temperature

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Gas-Phase Ozonolysis of Cycloalkenes: Formation of Highly Oxidized RO2 Radicals and Their Reactions with NO, NO2, SO2, and Other RO2 Radicals

01.10.2015 | Torsten Berndt; Stefanie Richters; Ralf Kaethner; Jens Voigtländer; Frank Stratmann; Mikko Sipilä; Markku Kulmala; H ..., Journal of Physical Chemistry A, 2015

The gas-phase reaction of ozone with C5–C8 cycloalkenes has been investigated in a free-jet flow system at atmospheric pressure and a temperature of 297 ± 1 K. Highly oxidized RO2 radicals bearing at least 5 O atoms in the molecule and their subsequent reaction products were detected in most ...


Synthesis of amine‐modified solid Fe‐Zr adsorbents for CO2 adsorption

29.09.2015 | Fan‐Ming Yang, Ying Liu, Lang Chen, Chak‐Tong Au, Shuang‐Feng Yin, Journal of Chemical Technology & Biotechnology, 2015

Abstract BACKGROUND With the aggravation of greenhouse effect, much attention is given to the capture of CO2 before its emission into the atmosphere. So far, various solid adsorbents were developed and used. Among them, the solid materials modified with organic‐amines are promising on ...


Analysis of Soot Formed during the Pyrolysis of Athabasca Oil Sand Asphaltenes

29.09.2015 | Vinoj Kurian; Nirlipt Mahapatra; Ben Wang; Mehdi Alipour; Frans Martens; Rajender Gupta, Energy & Fuels, 2015

Asphaltenes are formed during the primary upgrading process of bitumen. Gasification is considered as a good option for conversion of the low-value asphaltenes into syngas. Syngas can later be used in the generation of steam for steam-assisted gravity drainage, and the hydrogen from the syngas ...


Potassium Carbonate Slurry-Based CO2 Capture Technology

29.09.2015 | Shiwang Gao; Dongfang Guo; Hongguang Jin; Sheng Li; Jinyi Wang; Shiqing Wang, Energy & Fuels, 2015

Carbonate slurry process is considered to be one of the potential technologies for large-scale CO2 capture from coal-based power stations, as it can reduce the participation of water in stripper. In this work, constant volume method was adopted to measure the CO2 loading in aqueous potassium ...


In situ Al-doped ZnO films by atomic layer deposition with an interrupted flow

27.09.2015 | Author(s): Jheng-Ming Huang, Ching-Shun Ku, Chih-Ming Lin, San-Yuan Chen, Hsin-Yi Lee, Materials Chemistry and Physics, 2015

Publication date: Available online 26 September 2015 Source:Materials Chemistry and Physics Author(s): Jheng-Ming Huang, Ching-Shun Ku, Chih-Ming Lin, San-Yuan Chen, Hsin-Yi Lee In situ aluminum-doped ZnO (AZO) films were grown on glass substrates by atomic layer deposition (ALD) ...


Solid–Liquid–Vapor Etching of Semiconductor Nanowires

25.09.2015 | Ho Yee Hui; Michael A. Filler, Nano Letters, 2015

The vapor–liquid–solid (VLS) mechanism enables the bottom-up, or additive, growth of semiconductor nanowires. Here, we demonstrate a reverse process, whereby catalyst atoms are selectively removed from the eutectic catalyst droplet. This process, which is driven by the dicarbonyl precursor ...


Modeling and simulation of fiber‐reinforced polymer mold‐filling with phase change

24.09.2015 | Fang Wang, Junlin Li, Binxin Yang, Journal of Applied Polymer Science, 2015

ABSTRACT A gas‐solid‐liquid three‐phase model for the simulation of fiber‐reinforced composites mold‐filling with phase change is established. The influence of fluid flow on the fibers is described by Newton's law of motion, and the influence of fibers on fluid flow is described by the ...


Lifetime of Flow-Induced Precursors in Isotactic Polypropylene

23.09.2015 | Fawzi G. Hamad; Ralph H. Colby; Scott T. Milner, Macromolecules, 2015

Brief intervals of strong flow stretch chains in a semicrystalline polymer melt to form flow-induced precursors, which accelerate crystallization kinetics and transform the morphology. Using commercial isotactic polypropylene, the persistence and lifetime of flow-induced precursors were ...


Bismuth Self-Limiting Growth of Ultrathin BiFeO3 Films

23.09.2015 | Nitin Deepak; Patrick Carolan; Lynette Keeney; Panfeng F. Zhang; Martyn E. Pemble; Roger W. Whatmore, Chemistry of Materials, 2015

Bismuth ferrite (BiFeO3) is a widely studied material, because of its interesting multiferroic properties. Bismuth self-limiting growth of single-phase BiFeO3 (BFO) has previously been achieved using molecular beam epitaxy (MBE), but the growth of BFO by chemical vapor deposition (CVD) has proved ...


Pattern Formation in the Bromate–Sulfite–Ferrocyanide Reaction

23.09.2015 | István Molnár; István Szalai, Journal of Physical Chemistry A, 2015

Mixed Landolt-type pH oscillators are versatile systems that allow the experimental study of a wide range of nonlinear phenomena including multistability, oscillations, and spatiotemporal patterns. We report on the dynamics of the bromate–sulfite–ferrocyanide reaction operated in a open ...


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