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949 Aktuelle Fachpublikationen zum Thema temperature

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[Perspective] Why the Pacific is cool

27.02.2015 | Ben B. Booth, Science , 2015

After a period of rapid global warming, the rate of global temperature rise has slowed markedly in the past 10 to 15 years. Is this “hiatus” a result of natural climate variability, or does it signify a change in the drivers of global warming? On page 988 of this issue, Steinman et al. (1) ...

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Warning signals for eruptive events in spreading fires [Physics]

24.02.2015 | Jerome M. Fox; George M. Whitesides, Proceedings of the National Academy of Sciences current issue, 2015

Spreading fires are noisy (and potentially chaotic) systems in which transitions in dynamics are notoriously difficult to predict. As flames move through spatially heterogeneous environments, sudden shifts in temperature, wind, or topography can generate combustion instabilities, or trigger ...

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Dynamical Transitions in a Pollination–Herbivory Interaction: A Conflict between Mutualism and Antagonism

20.02.2015 | Tomás A. Revilla et al., PLoS ONE, 2015

by Tomás A. Revilla, Francisco Encinas–Viso Plant-pollinator associations are often seen as purely mutualistic, while in reality they can be more complex. Indeed they may also display a diverse array of antagonistic interactions, such as competition and victim–exploiter interactions. In some ...

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Suppression of phase separation and giant enhancement of superconducting transition temperature in FeSe1-xTex thin films [Applied Physical Sciences]

17.02.2015 | Yoshinori Imai; Yuichi Sawada; Fuyuki Nabeshima; Atsutaka Maeda, Proceedings of the National Academy of Sciences current issue, 2015

We demonstrate the successful fabrication on CaF2 substrates of FeSe1−xTex films with 0≤x≤1, including the region of 0.1≤x≤0.4, which is well known to be the “phase-separation region,” via pulsed laser deposition that is a thermodynamically nonequilibrium method. In the resulting films, we ...

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[Editors' Choice] A temperature probe for the ultracold

13.02.2015 | Ian S. Osborne, Science , 2015

Author: Ian S. Osborne

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[Report] Light-induced superconductivity using a photoactive electric double layer

13.02.2015 | Masayuki Suda; Reizo Kato; Hiroshi M. Yamamoto, Science , 2015

Electric double layers (EDLs) of ionic liquids have been used in superconducting field-effect transistors as nanogap capacitors. Because of the freezing of the ionic motion below ~200 kelvin, modulations of the carrier density have been limited to the high-temperature regime. Here we observe ...

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Selective Brain Cooling Reduces Water Turnover in Dehydrated Sheep

12.02.2015 | W. Maartin Strauss et al., PLoS ONE, 2015

by W. Maartin Strauss, Robyn S. Hetem, Duncan Mitchell, Shane K. Maloney, Leith C. R. Meyer, Andrea Fuller In artiodactyls, arterial blood destined for the brain can be cooled through counter-current heat exchange within the cavernous sinus via a process called selective brain cooling. We test ...

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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 Influence of Different Fever Definitions on the Rate of Fever in Neutropenia Diagnosed in Children with Cancer

11.02.2015 | Roland A. Ammann et al., PLoS ONE, 2015

by Roland A. Ammann, Oliver Teuffel, Philipp Agyeman, Nadine Amport, Kurt Leibundgut Background The temperature limit defining fever (TLDF) is based on scarce evidence. This study aimed to determine the rate of fever in neutropenia (FN) episodes additionally diagnosed by lower versus standard ...

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[Perspective] Taking temperature at the nanoscale

06.02.2015 | Christian Colliex, Science , 2015

Measuring temperature has become commonplace since Fahrenheit, Celsius, and others introduced thermometers and temperature scales in the 18th century. However, the definition of temperature is not at all obvious, as it is now described as a statistical quantity given by the rate of change of ...

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