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870 Aktuelle Fachpublikationen zum Thema temperature

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Energies, Vol. 7, Pages 6689-6720: Seismic Velocity/Temperature Correlations and a Possible New Geothermometer: Insights from Exploration of a High-Temperature Geothermal System on Montserrat, West Indies

17.10.2014 | Ryan, Graham Alexander; Shalev, Eylon, Energies, 2014

In 2013, two production wells were drilled into a geothermal reservoir on Montserrat, W.I. (West Indies) Drilling results confirmed the main features of a previously developed conceptual model. The results confirm that below ~220 °C there is a negative correlation between reservoir temperature ...

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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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Editors' Choice

17.10.2014 | Caroline Ash, Science , 2014

Charting the course of antibiotic failure | Protein sorting sets digit number | Unraveling ringwoodite hydration in mantle | Meat-eater lived in extinction's wake | A costly reluctance to speak out | How many lakes are there on Earth? | Taking the temperature of virulence | Finding ways to reach ...

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Soil Temperature Determines the Reaction of Olive Cultivars to Verticillium dahliae Pathotypes

17.10.2014 | Rocío Calderón et al., PLoS ONE, 2014

by Rocío Calderón, Carlos Lucena, José L. Trapero-Casas, Pablo J. Zarco-Tejada, Juan A. Navas-Cortés Background Development of Verticillium wilt in olive, caused by the soil-borne fungus Verticillium dahliae, can be influenced by biotic and environmental factors. In this study we modeled i) the ...

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Caenorhabditis elegans RSD-2 and RSD-6 promote germ cell immortality by maintaining small interfering RNA populations [Genetics]

14.10.2014 | Aisa Sakaguchi; Peter Sarkies; Matt Simon; Anna-Lisa Doebley; Leonard D. Goldstein; Ashley Hedges; Kohta Ikegami; St ..., Proceedings of the National Academy of Sciences current issue, 2014

Germ cells are maintained in a pristine non-aging state as they proliferate over generations. Here, we show that a novel function of the Caenorhabditis elegans RNA interference proteins RNAi spreading defective (RSD)-2 and RSD-6 is to promote germ cell immortality at high temperature. rsd mutants ...

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In This Issue [This Week in PNAS]

14.10.2014 | Proceedings of the National Academy of Sciences current issue, 2014

Rapid transitions in viral DNA packing during infection Top view (Left and Center) and side view (Right) schematics of encapsidated DNA transitions with increasing temperature. Viral replication can begin only after a virus successfully ejects its genome into a host cell. To investigate how a ...

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Energies, Vol. 7, Pages 6571-6592: Modeling and Control of a Parallel Waste Heat Recovery System for Euro-VI Heavy-Duty Diesel Engines

14.10.2014 | Feru, Emanuel ; Willems, Frank ; de Jager, Bram ; Steinbuch, Maarten, Energies, 2014

This paper presents the modeling and control of a waste heat recovery systemfor a Euro-VI heavy-duty truck engine. The considered waste heat recovery system consists of two parallel evaporators with expander and pumps mechanically coupled to the engine crankshaft. Compared to previous work, the ...

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Energies, Vol. 7, Pages 6492-6508: Prognostics of Lithium-Ion Batteries Based on Battery Performance Analysis and Flexible Support Vector Regression

10.10.2014 | Wang, Shuai ; Zhao, Lingling ; Su, Xiaohong ; Ma, Peijun, Energies, 2014

Accurate prediction of the remaining useful life (RUL) of lithium-ion batteries is important for battery management systems. Traditional empirical data-driven approaches for RUL prediction usually require multidimensional physical characteristics including the current, voltage, usage duration, ...

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Energies, Vol. 7, Pages 6382-6400: Performance Evaluation of a Continuous Operation Adsorption Chiller Powered by Solar Energy Using Silica Gel and Water as the Working Pair

09.10.2014 | Hassan, Hassan Zohair, Energies, 2014

In the present study, dynamic analysis and performance evaluation of a solar-powered continuous operation adsorption chiller are introduced. The adsorption chiller uses silica gel and water as the working pair. The developed mathematical model represents the heat and mass transfer within the ...

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Scaling description of the yielding transition in soft amorphous solids at zero temperature [Physics]

07.10.2014 | Jie Lin; Edan Lerner; Alberto Rosso; Matthieu Wyart, Proceedings of the National Academy of Sciences current issue, 2014

Yield stress materials flow if a sufficiently large shear stress is applied. Although such materials are ubiquitous and relevant for industry, there is no accepted microscopic description of how they yield, even in the simplest situations in which temperature is negligible and in which flow ...

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