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2.524 Aktuelle Fachpublikationen zum Thema temperature

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Modal disorder and phase transition in Rb0.91Nb0.96W1.04O5.98. Interpretation of X-ray diffuse scattering using the group theory approach

26.07.2015 | Author(s): Dorota Komornicka, Marek Wołcyrz, Adam Pietraszko, Wiesława Sikora, Andrzej Majchrowski, Journal of Solid State Chemistry, 2015

Publication date: October 2015 Source:Journal of Solid State Chemistry, Volume 230 Author(s): Dorota Komornicka, Marek Wołcyrz, Adam Pietraszko, Wiesława Sikora, Andrzej Majchrowski A complex scheme of atomic displacements (modes) that break the Fd 3 ¯ m symmetry of the ...

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Oxygen interstitials and vacancies in LaSrGa3O7-based melilites

26.07.2015 | Author(s): Jungu Xu, Xiaohui Li, Fengqi Lu, Hui Fu, Craig M. Brown, Xiaojun Kuang, Journal of Solid State Chemistry, 2015

Publication date: October 2015 Source:Journal of Solid State Chemistry, Volume 230 Author(s): Jungu Xu, Xiaohui Li, Fengqi Lu, Hui Fu, Craig M. Brown, Xiaojun Kuang The Sr-rich composition of the layered tetrahedral meililite, La0.8Sr1.2Ga3O6.9, was synthesized and a structural ...

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The chemical behavior of terminally tert-butylated polyolefins

24.07.2015 | Dagmar Klein, Henning Hopf, Peter G. Jones, Ina Dix and Ralf Hänel, Beilstein Journal of Organic Chemistry, 2015

Abstract The chemical behavior of various oligoenes 2 has been studied. The catalytic hydrogenation of diene 3 yielded monoene 4. Triene 7 was hydrogenated to diene 8, monoene 9 and saturated hydrocarbon 10. Bromine addition to 3 and 7 yielded the dibromides 17 and 18, respectively, i.e., the ...

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Effect of Nitrogen Substitution in V2O3 on the Metal–Insulator Transition

23.07.2015 | Nitesh Kumar, M. B. Sreedhara, Summayya Kouser, Umesh V. Waghmare, C. N. R. Rao, ChemPhysChem, 2015

Abstract The effect of N‐doping on the paramagnetic–antiferromagnetic transition associated with the metal–insulator (M–I) transition of V2O3 at 150 K has been studied in bulk samples as well as in nanosheets. The magnetic transition temperature of V2O3 is lowered to ∼120 K in the N‐doped ...

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Energies, Vol. 8, Pages 7522-7541: Pyrolysis of Municipal Green Waste: A Modelling, Simulation and Experimental Analysis

23.07.2015 | Kabir, Mohammed J.; Chowdhury, Ashfaque Ahmed; Rasul, Mohammad G., Energies, 2015

Pyrolysis is the thermo-chemical conversion of carbonaceous feedstock in the absence of oxygen to produce bio-fuel (bio-oil, bio-char and syn-gas). Bio-fuel production from municipal green waste (MGW) through the pyrolysis process has attracted considerable attention recently in the renewable ...

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Properties of near‐surface layer of 64Zn+ ion hot‐implanted Si

22.07.2015 | Vladimir Privezentsev, Vaclav Kulikauskas, Eduard Steinman, Alexey Tereshchenko, Anatoly Bazhenov, Nataliya Tabachko ..., physica status solidi (c), 2015

Abstract We have investigated nanoparticles (NPs) formation in Si by 64Zn+ ion implantation at substrate temperature of 350 °C. Hot implantation was chosen to avoid amorphization of Si near‐surface layer. In as‐implanted samples the Zn crystal NPs were created. Then the samples were ...

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Stable Stoichiometry of Gas-Phase Manganese Oxide Cluster Ions Revealed by Temperature-Programmed Desorption

22.07.2015 | Kohei Koyama; Satoshi Kudoh; Ken Miyajima; Fumitaka Mafuné, Journal of Physical Chemistry A, 2015

Temperature-programmed desorption (TPD) experiments were performed on gas-phase manganese oxide cluster ions, namely, MnnOm+ (n = 3–20) and MnnOm– (n = 3–18). These cluster ions were prepared by laser ablation of a manganese rod in the presence of oxygen gas, and their composition was ...

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Energies, Vol. 8, Pages 7428-7440: Facile and Economical Preparation of SiAlON-Based Composites Using Coal Gangue: From Fundamental to Industrial Application

22.07.2015 | Li, Jinfu ; Yue, Changsheng ; Zhang, Mei ; Wang, Xidong ; Zhang, Zuotai, Energies, 2015

The present study aims to synthesize SiAlON-based composites utilizing coal gangue. Different types of SiAlON-based composites were synthesized using coal gangue by carbothermal reduction nitridation method through control of different reaction atmospheres. The experimental results indicate that ...

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Simultaneous Removal of NO and Hg0 from Flue Gas over Mn–Ce/Ti-PILCs

22.07.2015 | Yinyin Wang; Boxiong Shen; Chuan He; Shiji Yue; Fumei Wang, Environmental Science & Technology, 2015

A series of Mn–Ce/Ti-PILCs (PILCs, pillared interlayered clays) catalysts were prepared via impregnation method in simultaneous removal of NO and elemental mercury in simulated flue gas. The physicochemical properties of these catalysts have been examined by some characterization methods, such as ...

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Effects of Temperature, Oxygen Level, Ionic Strength, and pH on the Reaction of Benzene with Hydroxyl Radicals at the Air–Water Interface in Comparison to the Bulk Aqueous Phase

22.07.2015 | Aubrey A. Heath; Kalliat T. Valsaraj, Journal of Physical Chemistry A, 2015

Atmospheric aerosols (e.g., fog droplets) are complex, multiphase mediums. Depending on location, time of day, and/or air mass source, there can be considerable variability within these droplets, relating to temperature, pH, and ionic strength. Due to the droplets’ inherently small size, the ...

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