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2.081 Aktuelle Fachpublikationen zum Thema temperature

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Hydrocarbon generation from coal, extracted coal and bitumen-rich coal in confined pyrolysis experiments

16.09.2013 | Author(s): Erting Li , Changchun Pan , Shuang Yu , Xiaodong Jin , Jinzhong Liu, Organic Geochemistry, 2013

Publication date: Available online 13 September 2013 Source:Organic Geochemistry Author(s): Erting Li , Changchun Pan , Shuang Yu , Xiaodong Jin , Jinzhong Liu Three sets of pyrolysis experiments were performed on extracted coal (Ro% 0.39), coal (initial bitumen 13.5 mg/g coal) and ...

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Temperature-Dependent Crystal Structures and Unusual Dielectric Property in [Me2NH2]2[Ni(mnt)2]

16.09.2013 | Author(s): Ping-Ping Shi , Su-Wen Sun , Ming-Liang Liu , Li-Hui Kong , Qiong Ye, Inorganic Chemistry Communications, 2013

Publication date: Available online 12 September 2013 Source:Inorganic Chemistry Communications Author(s): Ping-Ping Shi , Su-Wen Sun , Ming-Liang Liu , Li-Hui Kong , Qiong Ye The title compound bis(dimethylammonium) bis(dicyanoethene-1,2- dithiolato)-nickel (II) undergoes a reversible ...

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Calcium-selective optodes for the management of plant nutrient solutions

16.09.2013 | Author(s): Matthew T. Bamsey , Alain Berinstain , Michael A. Dixon, Sensors and Actuators B: Chemical, 2013

Publication date: January 2014 Source:Sensors and Actuators B: Chemical, Volume 190 Author(s): Matthew T. Bamsey , Alain Berinstain , Michael A. Dixon Robust, real-time, ion-selective sensors are much needed by the greenhouse and controlled environment plant production sectors. ...

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Synthesis and Characterization of a Two‐Coordinate Manganese Complex and its Reaction with Molecular Hydrogen at Room Temperature

13.09.2013 | Prinson P. Samuel, Kartik Chandra Mondal, Herbert W. Roesky, Markus Hermann, Gernot Frenking, Serhiy Demeshko, Franc ..., Angewandte Chemie International Edition, 2013

The (cAAC)2Mn complex (cAAC=cyclic alkyl(amino)carbene) features a linear two‐coordinate Mn center. The antiferromagnetic coupling of a radical electron, delocalized on two carbene C atoms, with the central MnI having d6 electronic configuration, mainly contributes to the ST=3/2 ground state. ...

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Facile Rearrangement of 3-Oxoalkyl Radicals is Evident in Low-Temperature Gas-Phase Oxidation of Ketones

13.09.2013 | Adam M. Scheer; Oliver Welz; Darryl Y. Sasaki; David L. Osborn; Craig A. Taatjes, Journal of the American Chemical Society, 2013

The pulsed photolytic chlorine-initiated oxidation of methyl-tert-butyl ketone (MTbuK), di-tert-butyl ketone (DTbuK), and a series of partially deuterated diethyl ketones (DEK) is studied in the gas phase at 8 Torr and 550–650 K. Products are monitored as a function of reaction time, mass, and ...

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Stabilization of blue phase from hydrogen-bonded bent-shaped and T-shaped molecules featuring a branched terminal group

11.09.2013 | Yang Shi; Xinwei Wang; Jie Wei; Huai Yang; Jinbao Guo, Soft Matter, 2013

Stabilizing liquid crystalline blue phases (BPs) from novel hydrogen-bonded (H-bonded) bent-shaped and T-shaped assemblies (HBAs) was firstly described in this study. Different kinds of H-bonded bent-shaped and T-shaped molecules were assembled, and therefore were used to broaden the BPs ...

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High-temperature isothermal chemical cycling for solar-driven fuel production

11.09.2013 | Yong Hao; Chih-Kai Yang; Sossina M. Haile, Physical Chemistry Chemical Physics, 2013

The possibility of producing chemical fuel (hydrogen) from the solar-thermal energy input using an isothermal cycling strategy is explored. The canonical thermochemical reactive oxide, ceria, is reduced under high temperature and inert sweep gas, and in the second step oxidized by H2O at the same ...

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Mutual Interference between Intramolecular Proton Transfer Sites through the Adjoining π-Conjugated System in Schiff Bases of Double-Headed, Fused Salicylaldehydes

11.09.2013 | Hirohiko Houjou; Hajime Shingai; Keisuke Yagi; Isao Yoshikawa; Koji Araki, The Journal of Organic Chemistry, 2013

We synthesized two constitutionally isomeric bis(iminomethyl)-2,6-dihydroxynaphthalenes, namely, α,α-diimines 1 and β,β-diimines 2, which can be formally represented as fused salicylaldimines with resonance-assisted hydrogen-bonding sites. Spectroscopic data show that the OH/OH, NH/OH, and NH/NH ...

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Synthesis and CO2 Insertion Chemistry of Uranium(IV) Mixed-Sandwich Alkyl and Hydride Complexes

11.09.2013 | Jessica A. Higgins; F. Geoffrey N. Cloke; S. Mark Roe, Organometallics, 2013

A series of U(IV) mixed-sandwich alkyls of the form [U(COTTIPS2)Cp*R] (R = Me, CH2Ph, CH2TMS, CH(TMS)2; COTTIPS2 = C8H6(SiiPr3-1,4)2; Cp* = C5Me5; TMS = SiMe3) have been synthesized and structurally characterized, and their reactivity toward H2 and CO2 has been investigated. The alkyls R = Me, ...

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Functionality of Protein‐Fortified Extrudates

10.09.2013 | Li Day, Barry G. Swanson, Comprehensive Reviews in Food Science and Food Safety, 2013

Abstract Fortification of extrusion feed formulations with proteins from selected sources will improve the health‐promoting quality of snack and breakfast foods. Molecular interactions among proteins, starch, lipids, water, and other constituents in the extrusion “melt” are the basis for ...

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