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2.479 Aktuelle Fachpublikationen zum Thema temperature

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Photochemical Hydrogen Doping Induced Embedded Two-Dimensional Metallic Channel Formation in InGaZnO at Room Temperature

01.10.2015 | Myeong-Ho Kim; Young-Ahn Lee; Jinseo Kim; Jucheol Park; Seungbae Ahn; Ki-Joon Jeon; Jeong Won Kim; Duck-Kyun Choi; H ..., ACS Nano, 2015

The photochemical tunability of the charge-transport mechanism in metal-oxide semiconductors is of great interest since it may offer a facile but effective semiconductor-to-metal transition, which results from photochemically modified electronic structures for various oxide-based device ...


Design, Synthesis, and Conformational Analysis of a Proposed β‐Turn Mimics from Isoxazoline‐Cyclopentane Aminols

29.09.2015 | Misal Giuseppe Memeo, Mariella Mella, Valentina Montagna, Paolo Quadrelli, Chemistry - A European Journal, 2015

Abstract Constrained aminols from oxazanorbornene derivatives have the geometrical features to be used as β‐turn inducers. Four different stereoisomers were prepared and spectroscopically characterized (MD calculations, NMR‐titration and VT‐NMR experiments). Temperature coefficients in DMSO ...


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 ...


Interionic Interactions of Aqueous Mixtures of Ionic Liquid 1-Hexyl-3-methylimidazolium Chloride with Phosphate Salts at T = (288.15 to 308.15) K: Volumetric, Acoustic and UV Absorption Studies

29.09.2015 | Harsh Kumar; Chanda Chadha, Journal of Chemical & Engineering Data, 2015

The interactions of phosphate salts like disodium hydrogen phosphate (Na2HPO4) and dipotassium hydrogen phosphate (K2HPO4) with 1-hexyl-3-methylimidazolium chloride ([C6mim][Cl]) as a function of temperature have been investigated by combination of volumetric and acoustic measurements. Densities, ...


Elimination of ketone vapors by adsorption on spherical MCM-41 and MCM-48 silicas decorated with thermally activated poly(furfuryl alcohol)

27.09.2015 | Author(s): Kamil Machowski, Piotr Kuśtrowski, Barbara Dudek, Marek Michalik, Materials Chemistry and Physics, 2015

Publication date: Available online 26 September 2015 Source:Materials Chemistry and Physics Author(s): Kamil Machowski, Piotr Kuśtrowski, Barbara Dudek, Marek Michalik Spherical MCM-41 and MCM-48 silicas with different arrangements of mesopores were synthesized in a water–alcohol ...


Frontispiece: Monitoring and Understanding the Paraelectric–Ferroelectric Phase Transition in the Metal–Organic Framework [NH4][M(HCOO)3] by Solid‐State NMR Spectroscopy

23.09.2015 | Jun Xu , Bryan E. G. Lucier , Regina Sinelnikov, Victor V. Terskikh, Viktor N. Staroverov, Yining Huang, Chemistry - A European Journal, 2015

Solid‐State NMR Spectroscopy The [NH4][M(HCOO)3] (M=Mg, Zn) metal–organic framework (MOF) undergoes a paraelectric/ferroelectric phase transition below room temperature. In situ variable temperature 25Mg, 67Zn, 14N, and 13C solid‐state NMR (SSNMR) experiments permit detailed investigation of ...


Conversion of Condensable Hydrocarbons in a Dual Fluidized Bed Biomass Gasifier

23.09.2015 | Mikael Israelsson; Teresa Berdugo Vilches; Henrik Thunman, Energy & Fuels, 2015

Biomass gasification is a primary process in the thermochemical conversion of biomass into biofuels, chemicals, and electricity. The produced raw gas consists of permanent gas species, such as hydrogen (H2) and carbon monoxide (CO), with variable amounts of heavier/larger species, depending on ...


Sulfur Reduction in Acid Rock Drainage Environments

23.09.2015 | Anna P. Florentino; Jan Weijma; Alfons J. M. Stams; Irene Sánchez-Andrea, Environmental Science & Technology, 2015

Microbiological suitability of acidophilic sulfur reduction for metal recovery was explored by enriching sulfur reducers from acidic sediments at low pH (from 2 to 5) with hydrogen, glycerol, methanol and acetate as electron donors at 30 °C. The highest levels of sulfide in the enrichments were ...


Kinetics of the Hydrogen Abstraction Reaction From 2-Butanol by OH Radical

23.09.2015 | Jingjing Zheng; Gbenga A. Oyedepo; Donald G. Truhlar, Journal of Physical Chemistry A, 2015

The kinetics of the hydrogen abstraction from 2-butanol by hydroxyl radical have been studied using multipath variational transition-state theory with the multidimensional small curvature tunneling approximation. The rate constants for each of the five hydrogen abstraction sites (C1, C2, C3, C4, ...


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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