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2.015 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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Ceria–Zirconia Solid Solutions (Ce1–xZrxO2−δ, x ≤ 0.2) for Solar Thermochemical Water Splitting: A Thermodynamic Study

17.10.2014 | Yong Hao; Chih-Kai Yang; Sossina M. Haile, Chemistry of Materials, 2014

The redox behavior of ceria–zirconia solid solutions (or Zr-substituted ceria, ZSC) with a Zr content of up to 20 mol % is studied by thermogravimetry (TG) between 600 °C and 1490 °C under controlled atmospheres. Thermodynamic properties, specifically standard oxidation enthalpy, ΔHoxd⊖, and ...

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Stabilization of Homoserine-O-Succinyltransferase (MetA) Decreases the Frequency of Persisters in Escherichia coli under Stressful Conditions

17.10.2014 | Elena A. Mordukhova et al., PLoS ONE, 2014

by Elena A. Mordukhova, Jae-Gu Pan Bacterial persisters are a small subpopulation of cells that exhibit multi-drug tolerance without genetic changes. Generally, persistence is associated with a dormant state in which the microbial cells are metabolically inactive. The bacterial response to ...

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A Palladium Nanoparticle–Nanomicelle Combination for the Stereoselective Semihydrogenation of Alkynes in Water at Room Temperature

16.10.2014 | Eric D. Slack, Christopher M. Gabriel, Bruce H. Lipshutz, Angewandte Chemie International Edition, 2014

Abstract The addition of NaBH4 to Pd(OAc)2 in water containing nanomicelles leads to the generation of H2 and Pd nanoparticles. Subsequent reduction of disubstituted alkynes affords Z‐alkenes in high yields. These reactions are general, take place in water at ambient temperatures, and offer ...

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A Palladium Nanoparticle–Nanomicelle Combination for the Stereoselective Semihydrogenation of Alkynes in Water at Room Temperature

16.10.2014 | Eric D. Slack, Christopher M. Gabriel, Bruce H. Lipshutz, Angewandte Chemie, 2014

Abstract The addition of NaBH4 to Pd(OAc)2 in water containing nanomicelles leads to the generation of H2 and Pd nanoparticles. Subsequent reduction of disubstituted alkynes affords Z‐alkenes in high yields. These reactions are general, take place in water at ambient temperatures, and offer ...

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Effect of oven temperature profile and different baking conditions on final cake quality

16.10.2014 | Nur Syafikah Shahapuzi, Farah Saleena Taip, Norashikin Ab Aziz, Anvarjon Ahmedov, International Journal of Food Science & Technology, 2014

Summary This study discusses the effect of airflow on oven temperature profiles, the internal cake temperature and the final cake quality. It was found that the presence of airflow reduced the oscillation in the oven temperature profile from 12.98–30.27% to 3.17–4.02%. The bottom of the oven ...

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Sensors, Vol. 14, Pages 19242-19259: High Resolution Switching Mode Inductance-to-Frequency Converter with Temperature Compensation

16.10.2014 | Matko, Vojko ; Milanović, Miro, Sensors, 2014

This article proposes a novel method for the temperature-compensated inductance-to-frequency converter with a single quartz crystal oscillating in the switching oscillating circuit to achieve better temperature stability of the converter. The novelty of this method lies in the switching-mode ...

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Photodriven Transfer Hydrogenation of Olefins

15.10.2014 | Dasheng Leow, Ying‐Ho Chen, Tzu‐Hang Hung, Ying Su, Yi‐Zhen Lin, European Journal of Organic Chemistry, 2014

Abstract An improved practical method for the photodriven diimide reduction of olefins was investigated. This catalyst‐free procedure proceeds at ambient temperature, utilizes air as oxidant and a lower hydrazine loading, and produces inert nitrogen gas as the sole byproduct. Several ...

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Temperature‐Dependent Electrical Transport in Polymer‐Sorted Semiconducting Carbon Nanotube Networks

14.10.2014 | Jia Gao, Yueh‐Lin (Lynn) Loo, Advanced Functional Materials, 2014

The temperature dependence of the electrical characteristics of field‐effect transistors (FETs) based on polymer‐sorted, large‐diameter semiconducting carbon nanotube networks is investigated. The temperature dependences of both the carrier mobility and the source‐drain current in the range of ...

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Electrochemical reduction of CO2 in an aqueous electrolyte employing an iridium/ruthenium‐oxide electrode

14.10.2014 | Nehar Ullah, Irshad Ali, Maëlle Jansen, Sasha Omanovic, The Canadian Journal of Chemical Engineering, 2014

Abstract Electrochemical reduction of CO2 in an aqueous electrolyte (Briton Robinson buffer, pH= 5.82) was investigated using an Ir/Ru‐oxide coating deposited on a titanium substrate, as a function of electrode potential and temperature. The results demonstrated that the Ir/Ru‐oxide electrode ...

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