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2.977 Aktuelle Fachpublikationen zum Thema temperature

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Lanthanides and Actinides: Annual Survey of their Organometallic Chemistry Covering the Year 2013

19.10.2014 | Author(s): Frank T. Edelmann, Coordination Chemistry Reviews, 2014

Publication date: Available online 14 October 2014 Source:Coordination Chemistry Reviews Author(s): Frank T. Edelmann This review summarizes the progress in organo-f-element chemistry during the year 2013. The year 2013 witnessed a significant increase of contributions in the fields of ...

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Reaction Kinetics of Carbon Dioxide (CO2) Absorption in Sodium Salts of Taurine and Proline Using a Stopped‐Flow Technique

18.10.2014 | Ahmed Sodiq, Aravind V. Rayer, Akinola A. Olanrewaju, Mohammad R. M. Abu Zahra, International Journal of Chemical Kinetics, 2014

ABSTRACT The pseudo–first‐order reaction rate constants (k0, s−1) for the reaction of carbon dioxide in aqueous solutions of sodium taurate (NaTau) and sodium prolinate (NaPr) were measured using a stopped‐flow technique at a temperature range of 298–313 K. The solutions concentration varied ...

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Mechanical and thermal properties of potassium salts of poly(ethylene‐co‐ethylacrylate): Polyolefin ionomers in the absence of acid groups

18.10.2014 | Masataka Aoyama, Tomonori Koda, Ken Miyata, Taichi Nishio, Akihiro Nishioka, Polymer Engineering and Science, 2014

The thermal and mechanical properties of ionomers prepared by partial saponification of poly(ethylene‐co‐ethylacrylate) (EEA) with potassium were investigated by using differential scanning calorimetry (DSC) and dynamic mechanical analysis (DMA). The Vicat softening temperature (VST) and bending ...

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Preparation and evaluation of nonphosphate terpolymer as scale inhibitor and dispersant for Ca3(PO4)2, BaSO4, and Iron (III) hydroxide scales

18.10.2014 | Yunyun Bu, Yuming Zhou, Qingzhao Yao, Yiyi Chen, Wei Sun, Wendao Wu, Journal of Applied Polymer Science, 2014

ABSTRACT The polymeric scale inhibition and dispersion agents (PAYS) were prepared by graft copolymerization of acrylic acid, allylpolyethoxy carboxylate (APEY) and 2‐acrylamido‐2‐methyl‐propanesulfonic acid by using ammonium persulfate as a radical initiator in aqueous solution, among which ...

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Lipozyme RM IM-Catalyzed Acidolysis of Cinnamomum camphora Seed Oil with Oleic Acid To Produce Human Milk Fat Substitutes Enriched in Medium-Chain Fatty Acids

17.10.2014 | Xian-Guo Zou; Jiang-Ning Hu; Man-Li Zhao; Xue-Mei Zhu; Hong-Yan Li; Xiao-Ru Liu; Rong Liu; Ze-Yuan Deng, Journal of Agricultural and Food Chemistry, 2014

In the present study, a human milk fat substitute (HMFS) enriched in medium-chain fatty acids (MCFAs) was synthesized through acidolysis reaction from Cinnamomum camphora seed oil (CCSO) with oleic acid in a solvent-free system. A commercial immobilized lipase, Lipozyme RM IM, from Rhizomucor ...

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Sulfamic acid heterogenized on functionalized magnetic Fe3O4 nanoparticles with diaminoglyoxime as a green, efficient and reusable catalyst for one‐pot synthesis of substituted pyrroles in aqueous phase

15.10.2014 | Hojat Veisi, Pourya Mohammadi, Javad Gholami, Applied Organometallic Chemistry, 2014

Surface functionalization of magnetic nanoparticles is an elegant way to bridge the gap between heterogeneous and homogeneous catalysis. We have conveniently loaded sulfonic acid groups on amino‐functionalized Fe3O4 nanoparticles affording sulfamic acid‐functionalized magnetic Fe3O4 ...

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Toward Molecular Mechanism of Xenon Anesthesia: A Link to Studies of Xenon Complexes with Small Aromatic Molecules

15.10.2014 | Natalya N. Andrijchenko; Alexander Yu. Ermilov; Leonid Khriachtchev; Markku Räsänen; Alexander V. Nemukhin, Journal of Physical Chemistry A, 2014

The present study illustrates the steps toward understanding molecular mechanism of xenon anesthesia by focusing on a link to the structures and spectra of intermolecular complexes of xenon with small aromatic molecules. A primary cause of xenon anesthesia is attributed to inhibition of ...

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Fabrication of highly sensitive uric acid biosensor based on directly grown ZnO nanosheets on electrode surface

13.10.2014 | Author(s): Rafiq Ahmad , Nirmalya Tripathy , Na Keum Jang , Gilson Khang , Yoon-Bong Hahn, Sensors and Actuators B: Chemical, 2014

Publication date: January 2015 Source:Sensors and Actuators B: Chemical, Volume 206 Author(s): Rafiq Ahmad , Nirmalya Tripathy , Na Keum Jang , Gilson Khang , Yoon-Bong Hahn Here we report the direct synthesis of ZnO nanosheets (ZnO NSs) on the electrode surface by one step low ...

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Materials, Vol. 7, Pages 6982-6999: Statistical Optimization for Acid Hydrolysis of Microcrystalline Cellulose and Its Physiochemical Characterization by Using Metal Ion Catalyst

13.10.2014 | Karim, Md. Ziaul; Chowdhury, Zaira Zaman; Hamid, Sharifah Bee Abd; Ali, Md. Eaqub, Materials, 2014

Hydrolyzing the amorphous region while keeping the crystalline region unaltered is the key technology for producing nanocellulose. This study investigated if the dissolution properties of the amorphous region of microcrystalline cellulose can be enhanced in the presence of Fe3+ salt in acidic ...

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Organogelation by 4-(N-Tetradecanoyl)aminohydroxybutyric Acids: Effect of Hydrogen-Bonding Group in the Amphiphile Head

13.10.2014 | Amrita Pal; Joykrishna Dey, Journal of Physical Chemistry B, 2014

The major driving force for organogelation is known to be hydrogen bonding for gelators containing functional groups capable of forming hydrogen bond(s). In order to examine this, we have investigated the gelation behavior of two 4-(N-tetradecanoyl)aminohydroxybutanoic acid amphiphiles in a ...

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