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2.127 Aktuelle Fachpublikationen zum Thema temperature

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Synthesis of Carbon/Sulfur Nanolaminates by Electrochemical Extraction of Titanium from Ti2SC

25.02.2015 | Meng‐Qiang Zhao, Morgane Sedran, Zheng Ling, Maria R. Lukatskaya, Olha Mashtalir, Michael Ghidiu, Boris Dyatkin, Dar ..., Angewandte Chemie International Edition, 2015

Abstract Herein we electrochemically and selectively extract Ti from the MAX phase Ti2SC to form carbon/sulfur (C/S) nanolaminates at room temperature. The products are composed of multi‐layers of C/S flakes, with predominantly amorphous and some graphene‐like structures. Covalent bonding ...

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Curing processes simulation of complex shape carbon fiber reinforced composite components produced by vacuum infusion

21.02.2015 | D.A. Belov, I.V. Makarenko, A.V. Dunaev, A.V. Babkin, A.V. Solopchenko, M.Y. Yablokova, A.V. Kepman, A.V. Tretyakov, ..., Polymer Composites, 2015

Thermal processes of carbon fiber reinforced composite parts curing cycle were studied experimentally and by mathematical simulation. Flat panel, T‐stringer, and five‐stringer detail based on tetrafunctional MY721 epoxy resin were investigated. Application of standard curing cycle (heating ...

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Ionic Liquid-Derived Nitrogen-Enriched Carbon/Sulfur Composite Cathodes with Hierarchical Microstructure—A Step Toward Durable High-Energy and High-Performance Lithium–Sulfur Batteries

18.02.2015 | Artur Schneider; Christoph Weidmann; Christian Suchomski; Heino Sommer; Jürgen Janek; Torsten Brezesinski, Chemistry of Materials, 2015

We describe the preparation of turbostratic carbon in monolithic form by silica template method and its use as host matrix to trap polysulfides in Li–S batteries. The synthesized ionic liquid-derived carbon is hierarchically structured with pore size maxima around 6 nm and 750 nm, and it has a ...

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Experimental study on the oxidation reaction parameters of different carbon structure particles

17.02.2015 | Yang Zhao, Zhong Wang, Shuai Liu, Rui‐Na Li, Ming‐Di Li, Environmental Progress, 2015

This study explores the effect of the difference in the carbon structure of particles on their reactivity towards O2. Particles with three types of carbon structures were captured in the exhaust of a diesel engine fueled with blends of diesel with 0, 5, and 15 vol % methanol (designated here as ...

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Effect of Temperature and Pressure on the Kinetics of the Oxygen Reduction Reaction

16.02.2015 | Edmund C. M. Tse; Andrew A. Gewirth, Journal of Physical Chemistry A, 2015

Fundamental understanding of the oxygen reduction reaction in aqueous medium at temperatures above 100 °C is lacking due to the practical limitations related to the harsh experimental conditions. In this work, the challenge to suppress water from boiling was overcome by conducting the ...

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Simultaneous amperometric determination of malic and gluconic acids in wine using screen-printed carbon electrodes

15.02.2015 | Author(s): Begoña Molinero-Abad , M. Asunción Alonso-Lomillo , Olga Domínguez-Renedo , M. Julia Arcos-Martínez, Sensors and Actuators B: Chemical, 2015

Publication date: May 2015 Source:Sensors and Actuators B: Chemical, Volume 211 Author(s): Begoña Molinero-Abad , M. Asunción Alonso-Lomillo , Olga Domínguez-Renedo , M. Julia Arcos-Martínez The selective and simultaneous amperometric determination of malic and gluconic acids was ...

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Biomineralized Multifunctional Magnetite/Carbon Microspheres for Applications in Li‐Ion Batteries and Water Treatment

11.02.2015 | Hyun‐Woo Shim, Sangbaek Park, Hee Jo Song, Jae‐Chan Kim, Eunjin Jang, Kug Sun Hong, T. Doohun Kim, Dong‐Wan Kim, Chemistry - A European Journal, 2015

Abstract Advanced functional materials incorporating well‐defined multiscale architectures are a key focus for multiple nanotechnological applications. However, strategies for developing such materials, including nanostructuring, nano‐/microcombination, hybridization, and so on, are still ...

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Effects of Ocean Acidification on Temperate Coastal Marine Ecosystems and Fisheries in the Northeast Pacific

11.02.2015 | Rowan Haigh et al., PLoS ONE, 2015

by Rowan Haigh, Debby Ianson, Carrie A. Holt, Holly E. Neate, Andrew M. Edwards As the oceans absorb anthropogenic CO2 they become more acidic, a problem termed ocean acidification (OA). Since this increase in CO2 is occurring rapidly, OA may have profound implications for marine ecosystems. In ...

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The carbon isotope composition of semi-labile and stable pyrogenic carbon in a thermosequence of C3 and C4 derived char

06.02.2015 | Author(s): Christopher M. Wurster , Anna V. McBeath , Michael I. Bird, Organic Geochemistry, 2015

Publication date: Available online 3 February 2015 Source:Organic Geochemistry Author(s): Christopher M. Wurster , Anna V. McBeath , Michael I. Bird To better elucidate the reactions forming pyrogenic carbon (PyC) during pyrolysis, we investigated the carbon isotope fractionation trends ...

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Large‐scale plant growth chamber design for elevated pCO2 and δ13C studies

28.01.2015 | William M. Hagopian, Brian A. Schubert, A. Hope Jahren, Rapid Communications in Mass Spectrometry, 2015

Rationale Throughout at least the next century, CO2 fertilization and environmental stresses (e.g. nutrient, moisture, insect herbivory) are predicted to affect yields of economically important crop species. Stable isotopes of carbon are used to study plant stresses, which affect yields, but a ...

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