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5.187 Aktuelle Fachpublikationen zum Thema temperature

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Transformation of a layered perovskite to a defect perovskite via cooperative Li-insertion and O/N substitution

15.10.2014 | Jung-Mi Kim; Young-Il Kim; Chee-Sung Park; Cheol-Hee Park, Dalton Transactions, 2014

Defect perovskite oxynitrides containing lithium on the octahedral sites, i.e., Sr1−x(LixTa1−x)(O3.5−3x−3yN2y), were produced by the ammonolytic heating of a layered perovskite, Sr2Ta2O7, with Li2CO3. The above phase evolution involved the thermal diffusion of Li+ into the Sr2Ta2O7 lattice and ...

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Meditating relaxation and polarization of hydrogen-bond in water by NaCl salting and heating

14.10.2014 | Xi Zhang; Tingting Yan; Yongli Huang; Zengsheng Ma; Xinjuan Liu; Chang Qing Sun; Bo Zou, Physical Chemistry Chemical Physics, 2014

Infrared spectroscopy and contact-angle measurements revealed that NaCl salting effects identically to heating on O:H phonon softening and H-O phonon stiffening but the opposite on skin polarization of liquid water. The mechanics of thermal modulation of O-O Coulomb repulsion [Sun, et al., J. ...

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Improving the selectivity of a free base tetraphenylporphyrin based gas sensor for NO2 and carboxylic acid vapors

13.10.2014 | Author(s): M. Evyapan , A.D.F. Dunbar, Sensors and Actuators B: Chemical, 2014

Publication date: January 2015 Source:Sensors and Actuators B: Chemical, Volume 206 Author(s): M. Evyapan , A.D.F. Dunbar Langmuir-Schaefer (LS) films of a free base porphyrin 5,10,15,20-tetrakis[3,4-bis(2-ethylhexyloxy)phenyl]-21H,23H-porphine (EHO) are used in conjunction with a PMMA ...

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Di- and tetraosmium carbonyl complexes with dicarboxylato ligands serving as intramolecular rings and intermolecular bridges

13.10.2014 | Author(s): Audrey G. Fikes , Nigel Gwini , Soo Hun Yoon , Vladimir N. Nesterov , Gregory L. Powell, Journal of Organometallic Chemistry, 2014

Publication date: 1 December 2014 Source:Journal of Organometallic Chemistry, Volumes 772–773 Author(s): Audrey G. Fikes , Nigel Gwini , Soo Hun Yoon , Vladimir N. Nesterov , Gregory L. Powell The osmium(I) carbonyl complexes Os2(μ-sebacate)(CO)4(dmso)2 (1) and ...

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Modelling of pepsin digestibility of myofibrillar proteins and of variations due to heating

13.10.2014 | Author(s): Alain Kondjoyan , Jean-Dominique Daudin , Véronique Santé-Lhoutellier, Food Chemistry, 2014

Publication date: 1 April 2015 Source:Food Chemistry, Volume 172 Author(s): Alain Kondjoyan , Jean-Dominique Daudin , Véronique Santé-Lhoutellier Digestibility of myofibrillar proteins by pepsin was determined by in vitro trials and mathematical modelling. A primary model was developed ...

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High Temperature Oxidation Behavior of Hypoeutectic Mg–Sr Binary Alloys: The Role of the Two‐Phase Microstructure and the Surface Activity of Sr

10.10.2014 | Deniz S. Aydin, Zeynel Bayindir, Mihriban O. Pekguleryuz, Advanced Engineering Materials, 2014

The high temperature oxidation behavior of Mg–Sr hypoeutectic alloys was investigated. The oxide layer was characterized after isothermal heating experiments that were conducted at 500 °C in dry airflow for 12 h. It was seen that a non‐uniform oxide scale formed on hypoeutectic Mg–Sr alloys ...

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ChemInform Abstract: Reinvestigation and Characterization of the Magnesium Borate Fluoride Mg5(BO3)F.

10.10.2014 | Chunyan Bai, Shujuan Han, Shilie Pan, Qiang Bian, Zhihua Yang, Xingwen Zhang, Xiaoxia Lin, Qun Jing, ChemInform, 2014

Abstract The title compound is prepared by a two‐step process starting with heating a mixture of MgO, H3BO3, and Na2CO3 (Pt crucible, 1.

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ChemInform Abstract: Synthesis, Structure, and Properties of the Electron‐Poor II—V Semiconductor ZnAs.

10.10.2014 | Andreas Fischer, Daniel Ekloef, Daryn E. Benson, Yang Wu, Ernst‐Wilhelm Scheidt, Wolfgang Scherer, Ulrich Haeussermann, ChemInform, 2014

Abstract ZnAs is prepared by hot isostatic pressing of Zn and As (BN capsule, complex heating schedule up to 1273 K, 6 GPa).

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Mild P–P Bond Cleavage in the Methyldiphosphenyl Complex [Mo2Cp2(μ-PCy2)(μ-κ2:κ2-P2Me)(CO)2] To Give Novel Phosphide-Bridged Trinuclear Derivatives

10.10.2014 | M. Angeles Alvarez; M. Esther García; Daniel García-Vivó; Raquel Lozano; Alberto Ramos; Miguel A. Ruiz, Inorganic Chemistry, 2014

Reactions of the title diphosphenyl complex with [Fe2(CO)9] and [W(CO)4(THF)2] gave the trinuclear species [Mo2FeCp2(μ3-P)(μ-PCy2)(μ3-PMe)(CO)5] and [Mo2WCp2(μ3-P)(μ-PCy2)(μ3-PMe)(CO)6] following from formal insertion of the 14-electron fragments Fe(CO)3 and W(CO)4, respectively, in the P–P bond ...

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Materials, Vol. 7, Pages 6919-6929: Mechanical and Thermal Properties of Polypropylene Composites Reinforced with Lignocellulose Nanofibers Dried in Melted Ethylene-Butene Copolymer

09.10.2014 | Iwamoto, Shinichiro ; Yamamoto, Shigehiro ; Lee, Seung-Hwan ; Ito, Hirokazu ; Endo, Takashi, Materials, 2014

Lignocellulose nanofibers were prepared by the wet disk milling of wood flour. First, an ethylene-butene copolymer was pre-compounded with wood flour or lignocellulose nanofibers to prepare master batches. This process involved evaporating the water of the lignocellulose nanofiber suspension ...

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