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2.834 Aktuelle Fachpublikationen zum Thema temperature

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Gibbs Energy of Formation of Eu3O4 and EuO

22.04.2016 | Kallarackel T. Jacob; Arneet Rajput, Journal of Chemical & Engineering Data, 2016

Thermodynamic data for Eu3O4 are not available in standard compilations. However, data for EuO and Eu2O3 are available. Data for Eu2O3 in the compilations are in agreement while those for EuO differ significantly. Two solid–state electrochemical cells incorporating yttria–doped thoria as the ...

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NH4Cl Selective Leaching of Basic Oxygen Furnace Slag: Optimization Study Using Response Surface Methodology

21.04.2016 | Yong Sun, Jing Ping Zhang, Lian Zhang, Environmental Progress, 2016

The basic oxygen furnace slag (SL) was selectively leached by NH4Cl. Response surface methodology and the central composite design (CCD) were employed in determining the optimal condition. The process parameters such as leaching duration, NH4Cl concentration, liquid solid ratio (LSR), and ...

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Synergistic effects of a novel silicon‐containing triazine charring agent on the flame‐retardant properties of poly(ethylene terephthalate)/hexakis (4‐phenoxy)cyclotriphosphazene composites

21.04.2016 | Jiawei Li, Xiandong Zeng, Dizhu Kong, Hong Xu, Linping Zhang, Yi Zhong, Xiaofeng Sui, Zhiping Mao, Polymer Composites, 2016

A novel triazine oligoimides containing silicone charring agent (TSCA) was prepared and used as charring agents in poly(ethylene terephthalate) (PET)/hexakis (4‐phenoxy) cyclotriphosphazene (PNCP) flame retardant system. Limited oxygen index, microscale combustion calorimetry, thermogravimetric ...

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Effects of Thermal Electronic Excitations on the Diffusion of Oxygen Adatoms on Graphene

20.04.2016 | Tao Sun; Xinxin Yao; Stefano Fabris, Journal of Physical Chemistry A, 2016

We conduct first-principles calculations to study oxygen diffusion on the graphene surface as a function of temperature up to 3000 K. The minimum energy migration path and the corresponding activation energy are determined by the nudged elastic band method with explicit inclusion of thermal ...

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Materials, Vol. 9, Pages 300: Temperature-Driven Structural and Morphological Evolution of Zinc Oxide Nano-Coalesced Microstructures and Its Defect-Related Photoluminescence Properties

20.04.2016 | Lim, Karkeng ; Abdul Hamid, Muhammad Azmi; Shamsudin, Roslinda ; Al-Hardan, N.H. ; Mansor, Ishak ; Chiu, Weesiong, Materials, 2016

In this paper, we address the synthesis of nano-coalesced microstructured zinc oxide thin films via a simple thermal evaporation process. The role of synthesis temperature on the structural, morphological, and optical properties of the prepared zinc oxide samples was deeply investigated. The ...

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Formation mechanism of large SiC grains on SiC fiber surfaces during heat treatment

20.04.2016 | Shiyi Cao; Jun Wang; Hao Wang, CrystEngComm, 2016

Three low oxygen-containing SiC fibers with different surface compositions were heat treated at high temperature in argon, and large SiC particles were observed on the surfaces of SiC fibers with oxygen-containing surface layers. The SiC particles were identified as single crystal β-SiC. The ...

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Catalytic oxidation removal of gaseous elemental mercury in flue gas over niobium‐loaded catalyst

19.04.2016 | Honghu Li, Jiangjun Hu, He Wang, The Canadian Journal of Chemical Engineering, 2016

Abstract Nb‐Co‐Ce/Al2O3 catalysts prepared by impregnation, sol‐gel method, and co‐precipitation were examined for elemental mercury (Hg0) oxidation in a simulated coal combustion flue gas. The catalysts were characterized by SEM‐EDS, BET, XRD, FTIR, and XPS techniques. The performances of ...

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Influence of substrate temperature on the morphology of silicon oxide nanowires synthesized using a tin catalyst

18.04.2016 | S. Ya. Khmel, E. A. Baranov, A. O. Zamchiy, E. A. Maximovskiy, D. V. Gulyaev, K. S. Zhuravlev, physica status solidi (a), 2016

Silicon oxide nanowires SiOx were synthesized by the gas‐jet electron beam plasma chemical vapor deposition method. The synthesis of nanostructures was carried out on silicon substrates with thin tin film as a catalyst. The evolution in the morphology of the obtained structures was investigated ...

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The Effects of the Low Temperature Argon Plasma on Stem Cells Proliferation and Regeneration in Planarians

18.04.2016 | Artem Ermakov, Olga Ermakova, Alexander Skavulyak, Natalia Kreshchenko, Sergey Gudkov, Eugene Maevsky, Plasma Processes and Polymers, 2016

Effects of the low temperature argon plasma (LTAP) in intact and regenerating planarians are studied. The LTAP actions were specified as activating or inhibiting using stem cells proliferation and the regenerative blastema growth, and the expression level of wound‐specific genes responsible for ...

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Structural and Optical Properties of PECVD TiO2–SiO2 Mixed Oxide Films for Optical Applications

18.04.2016 | Dayu Li, Stéphane Elisabeth, Agnès Granier, Michèle Carette, Antoine Goullet, Jean‐Pierre Landesman, Plasma Processes and Polymers, 2016

TiO2–SiO2 mixed oxide films with variable compositions are deposited from oxygen/titanium tetraisopropoxide/hexamethyldisiloxane (HMDSO) inductively coupled radiofrequency plasmas at low temperature and pressure. The related structure, morphology, and optical properties are investigated. ...

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