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5.279 Aktuelle Fachpublikationen zum Thema temperature

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Temperature dependence of the rate constant for hydrogen atom reaction with Cl2−• in water by pulse radiolysis of aqueous HCl solution

27.07.2015 | Author(s): L. Kazmierczak, J. Szala-Bilnik, M. Wolszczak, D. Swiatla-Wojcik, Radiation Physics and Chemistry, 2015

Publication date: December 2015 Source:Radiation Physics and Chemistry, Volume 117 Author(s): L. Kazmierczak, J. Szala-Bilnik, M. Wolszczak, D. Swiatla-Wojcik The temperature dependence of the rate constant for the reaction of dichloride anion radical ( Cl 2 - • ) with ...

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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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Cyclometalation of Phenylpyridines by Rhodium(I) via Room‐temperature C–H Bond Activation

24.07.2015 | Hans‐Christian Böttcher, Marion Graf, Peter Mayer, Zeitschrift für anorganische und allgemeine Chemie, 2015

Abstract A convenient synthesis of cyclometalated complexes [{Rh(μ‐Cl)(C N)2}2] [C N = ppy, 2‐phenylpyridinato (2); C N = ptpy, 2‐(p‐tolyl)pyridinato (3); 4‐Clppy = 4‐chloro‐2‐phenylpyridinato (4)] at room temperature is described. The compounds were obtained by the oxidative addition ...

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Entropy, Vol. 17, Pages 5157-5170: Non-Fourier Heat Transfer with Phonons and Electrons in a Circular Thin Layer Surrounding a Hot Nanodevice

24.07.2015 | Cimmelli, Vito Antonio; Carlomagno, Isabella ; Sellitto, Antonio, Entropy, 2015

A nonlocal model for heat transfer with phonons and electrons is applied to infer the steady-state radial temperature profile in a circular layer surrounding an inner hot component. Such a profile, following by the numerical solution of the heat equation, predicts that the temperature behaves in ...

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Thermoplastic softening behavior of organically modified polyoxotitanates: Effects of the amount of water and benzoylacetone for hydrolyzing alkoxides

23.07.2015 | Shinya Oda, Hiromitsu Kozuka, Hiroaki Uchiyama, Journal of Applied Polymer Science, 2015

ABSTRACT Organically modified polyoxotitanates were prepared by hydrolyzing titanium tetra‐n‐butoxide in the presence of benzoylacetone (BzAc) in solution at Ti(OC4H9)4 : BzAc : H2O : CH3COCH3 mole ratios of 1 : (1 or 2) : (1 or 10) : 20. The solutions were concentrated at 80°C and dried at ...

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Surface Activity and Aggregation Behavior of Siloxane-Based Ionic Liquids in Aqueous Solution

23.07.2015 | Guoyong Wang; Ping Li; Zhiping Du; Wanxu Wang; Guojin Li, Langmuir, 2015

Six novel siloxane-based surface-active ionic liquids (SAILs)—siloxane ammonium carboxylate [Si(n)N(2)-CA(1), (n = 3, 4)]—were designed and synthesized. Their melting points, surface activities, and self-aggregation behavior in aqueous solution were studied. The results showed that because of the ...

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Preparation and Cationic Dye Adsorption of Novel Fe3O4 Supermagnetic/Thiacalix[4]arene Tetrasulfonate Self-Doped/Polyaniline Nanocomposite: Kinetics, Isotherms, and Thermodynamic Study

22.07.2015 | Moslem Mansour Lakouraj; Rafieh-Sadat Norouzian; Soheila Balo, Journal of Chemical & Engineering Data, 2015

In this study, a novel magnetically separable nanoadsorbent, namely, Fe3O4@PAmABAmPD-TCAS consisting of a magnetite core and conductive terpolymer of aniline/m-aminobenzoicacid/m-phenilendiamine shell which was self-doped by protonic acid of thiacalixarene tetrasulfonate pendent groups has been ...

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Materials, Vol. 8, Pages 4593-4607: Engineering of Iron-Based Magnetic Activated Carbon Fabrics for Environmental Remediation

22.07.2015 | Haham, Hai ; Grinblat, Judith ; Sougrati, Moulay-Tahar ; Stievano, Lorenzo ; Margel, Shlomo, Materials, 2015

Magnetic Fe3O4, Fe and Fe/Pd nanoparticles embedded within the pores of activated carbon fabrics (ACF) were prepared by impregnation of the ACF in iron acetylacetanoate (Fe(acac)3) ethanol solution, followed by thermal decomposition of the embedded iron precursor at 200, 400 and 600 °C in an ...

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A New Insight into Growth Mechanism and Kinetics of Mesoporous Silica Nanoparticles by in Situ Small Angle X-ray Scattering

22.07.2015 | Zhifeng Yi; Ludovic F. Dumée; Christopher J. Garvey; Chunfang Feng; Fenghua She; James E. Rookes; Stephen Mudie; Dav ..., Langmuir, 2015

The growth mechanism and kinetics of mesoporous silica nanoparticles (MSNs) were investigated for the first time by using a synchrotron time-resolved small-angle X-ray scattering (SAXS) analysis. The synchrotron SAXS offers unsurpassed time resolution and the ability to detect structural changes ...

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Nitric Oxide Catalysis of Diazene E/Z Isomerization

22.07.2015 | D. Scott Bohle; Kristopher A. Rosadiuk, Inorganic Chemistry, 2015

Nitric oxide is an efficient catalyst for the cis-trans (E/Z) isomerization of diazenes. We compare the effect of room temperature solutions bearing low concentrations of nitric oxide, nitrogen dioxide, or oxygen on the rate of cis-trans isomerization, CTI, of the alkene bond in stilbene and on ...

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