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2.058 Aktuelle Fachpublikationen zum Thema temperature

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Short-Term Coral Bleaching Is Not Recorded by Skeletal Boron Isotopes

14.11.2014 | Verena Schoepf et al., PLoS ONE, 2014

by Verena Schoepf, Malcolm T. McCulloch, Mark E. Warner, Stephen J. Levas, Yohei Matsui, Matthew D. Aschaffenburg, Andréa G. Grottoli Coral skeletal boron isotopes have been established as a proxy for seawater pH, yet it remains unclear if and how this proxy is affected by seawater temperature. ...

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A Regioselective Synthesis of Benzopinacolones through Aerobic Dehydrogenative α‐Arylation of the Tertiary sp3 CH Bond of 1,1‐Diphenylketones with Aromatic and Heteroaromatic Compounds

13.11.2014 | Nagnath Yadav More, Masilamani Jeganmohan, Chemistry - A European Journal, 2014

Abstract A regioselective synthesis of symmetrical and unsymmetrical benzopinacolones through aerobic dehydrogenative α‐arylation at the tertiary sp3 CH bond of substituted 1,1‐diphenylketones with aromatic and heteroaromatic compounds, in the presence of K2S2O8 in CF3COOH at room ...

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Energies, Vol. 7, Pages 7266-7281: Performance Analysis of Cold Energy Recovery from CO2 Injection in Ship-Based Carbon Capture and Storage (CCS)

12.11.2014 | You, Hwalong ; Seo, Youngkyun ; Huh, Cheol ; Chang, Daejun, Energies, 2014

Carbon capture and storage (CCS) technology is one of the practical solutions for mitigating the effects of global warming. When captured CO2 is injected into storage sites, the CO2 is subjected to a heating process. In a conventional CO2 injection system, CO2 cold energy is wasted during this ...

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Multiferroicity of Carbon‐Based Charge‐Transfer Magnets

11.11.2014 | Wei Qin, Maogang Gong, Xiaomin Chen, Tejas A. Shastry, Ridwan Sakidja, Guoliang Yuan, Mark C. Hersam, Manfred Wuttig ..., Advanced Materials, 2014

A new type of carbon charge‐transfer magnet, consisting of a fullerene acceptor and single‐walled carbon nanotube donor, is demonstrated, which exhibits room temperature ferromagnetism and magnetoelectric (ME) coupling. In addition, external stimuli (electric/magnetic/elastic field) and the ...

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An Efficient Nanoscale Heterogeneous Catalyst for the Capture and Conversion of Carbon Dioxide at Ambient Pressure

10.11.2014 | Xiao‐Huan Liu, Jian‐Gong Ma, Zheng Niu, Guang‐Ming Yang, Peng Cheng, Angewandte Chemie, 2014

Abstract Silver nanoparticles were successfully supported on the zeolite‐type metal–organic framework MIL‐101 to yield Ag@MIL‐101 by a simple liquid impregnation method. For the first time, the conversion of terminal alkynes into propiolic acids with CO2 was achieved by the use of the ...

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Quantum Mechanics/Molecular Mechanics Modeling of Photoelectron Spectra: The Carbon 1s Core–Electron Binding Energies of Ethanol–Water Solutions

07.11.2014 | T. Löytynoja; J. Niskanen; K. Jänkälä; O. Vahtras; Z. Rinkevicius; H. Ågren, Journal of Physical Chemistry B, 2014

Using ethanol–water solutions as illustration, we demonstrate the capability of the hybrid quantum mechanics/molecular mechanics (QM/MM) paradigm to simulate core photoelectron spectroscopy: the binding energies and the chemical shifts. An integrated approach with QM/MM binding energy ...

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Influence of Spark Plasma Sintering (SPS) Conditions on Transmission of MgAl2O4 Spinel

06.11.2014 | Koji Morita, Byung‐Nam Kim, Hidehiro Yoshida, Keijiro Hiraga, Yoshio Sakka, Journal of the American Ceramic Society, 2014

The effects of the spark plasma sintering (SPS) parameters, such as heating rate α, temperature T and soak time ts, and impurities on in‐line transmission Tin were examined in MgAl2O4 spinel. The SPS processing at T=1300°C for ts=20min with a low heating rate of α=10°C/min is a preferable ...

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Integration of 2D and 3D Thin Film Glassy Carbon Electrode Arrays for Electrochemical Dopamine Sensing in Flexible Neuroelectronic Implants

06.11.2014 | Jules J. VanDersarl, André Mercanzini, Philippe Renaud, Advanced Functional Materials, 2014

Here we present the development and characterization of a flexible implantable neural probe with glassy carbon electrode arrays. The use of carbon electrodes allows for these devices to be used as chemical sensors, in addition to their typical use as electrical sensors and stimulators. The ...

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Diamond Nanowires: Fabrication, structure, Properties, and Applications

05.11.2014 | Yuan Yu, Liangzhuan Wu, Jinfang Zhi, Angewandte Chemie International Edition, 2014

Abstract C(sp3)C‐bonded diamond nanowires are wide band gap semiconductors that exhibit a combination of superior properties such as negative electron affinity, chemical inertness, high Young’s modulus, the highest hardness, and room‐temperature thermal conductivity. The creation of 1D ...

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A Diruthenium μ-Carbido Complex That Shows Singlet-Carbene-like Reactivity

04.11.2014 | Shin Takemoto; Jun Ohata; Kento Umetani; Masahiro Yamaguchi; Hiroyuki Matsuzaka, Journal of the American Chemical Society, 2014

Low-temperature deprotonation of the cationic μ-methylidyne complex [(Cp*Ru)2(μ-NPh)(μ-CH)][BF4] (Cp* = η5-C5Me5) with KN(SiMe3)2 affords a thermally unstable μ-carbido complex [(Cp*Ru)2(μ-NPh)(μ-C)] (2), as evidenced by trapping experiments with elemental S or Se and 13C NMR spectroscopic ...

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