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6.526 Aktuelle Fachpublikationen zum Thema temperature

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Hot Fusion: An Efficient Method to Clone Multiple DNA Fragments as Well as Inverted Repeats without Ligase

31.12.2014 | Changlin Fu et al., PLoS ONE, 2014

by Changlin Fu, William P. Donovan, Olga Shikapwashya-Hasser, Xudong Ye, Robert H. Cole Molecular cloning is utilized in nearly every facet of biological and medical research. We have developed a method, termed Hot Fusion, to efficiently clone one or multiple DNA fragments into plasmid vectors ...

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Energies, Vol. 8, Pages 319-337: Hydrogen Storage in Boron Nitride and Carbon Nanomaterials

31.12.2014 | Oku, Takeo, Energies, 2014

Boron nitride (BN) nanomaterials were synthesized from LaB6 and Pd/boron powder, and the hydrogen storage was investigated by differential thermogravimetric analysis, which showed possibility of hydrogen storage of 1–3 wt%. The hydrogen gas storage in BN and carbon (C) clusters was also ...

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Sustainability, Vol. 7, Pages 384-397: Maize Production Responsiveness to Land Use Change and Climate Trends in Cameroon

31.12.2014 | Epule, Terence Epule; Bryant, Christopher Robin, Sustainability, 2014

Most studies on the responsiveness of maize production to various variables have dwelled on the responsiveness of maize production to variations in precipitation or temperature. This study seeks to verify the response of maize production in Cameroon to both climate trends and land use change. ...

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Effect of N2 on emission profile and excitation temperature in axially viewed plasma-ICP OES

30.12.2014 | Dirce Pozebon; Guilherme Luiz Scheffler, Journal of Analytical Atomic Spectrometry, 2014

Fundamental studies were conducted in order to gain useful insights about energy transfer that takes place when a low flow (20 mL min-1) of N2 is introduced into the central channel of the Ar-ICP source in inductively coupled plasma optical emission spectrometry (ICP OES). Axial and radial ...

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Maternal temperature history activates Flowering Locus T in fruits to control progeny dormancy according to time of year [Plant Biology]

30.12.2014 | Min Chen; Dana R. MacGregor; Anuja Dave; Hannah Florance; Karen Moore; Konrad Paszkiewicz; Nicholas Smirnoff; Ian A. ..., Proceedings of the National Academy of Sciences current issue, 2014

Seasonal behavior is important for fitness in temperate environments but it is unclear how progeny gain their initial seasonal entrainment. Plants use temperature signals to measure time of year, and changes to life histories are therefore an important consequence of climate change. Here we show ...

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Reply to Abatzoglou et al.: Atmospheric controls on northwest United States air temperatures, 1948-2012 [Physical Sciences]

30.12.2014 | James A. Johnstone; Nathan J. Mantua, Proceedings of the National Academy of Sciences current issue, 2014

We recently documented a strong relationship between northeast Pacific sea-level pressure (SLP) and coastal North American sea surface temperature (SSTs) and surface air temperatures (SATs), concluding that atmospheric circulation changes produced nearly all observed coastal warming from 1900 to ...

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Electronic evidence of an insulator-superconductor crossover in single-layer FeSe/SrTiO3 films [Physics]

30.12.2014 | Junfeng He; Xu Liu; Wenhao Zhang; Lin Zhao; Defa Liu; Shaolong He; Daixiang Mou; Fangsen Li; Chenjia Tang; Zhi Li; L ..., Proceedings of the National Academy of Sciences current issue, 2014

In high-temperature cuprate superconductors, it is now generally agreed that superconductivity is realized by doping an antiferromagnetic Mott (charge transfer) insulator. The doping-induced insulator-to-superconductor transition has been widely observed in cuprates, which provides important ...

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Questionable evidence of natural warming of the northwestern United States [Physical Sciences]

30.12.2014 | John T. Abatzoglou; David E. Rupp; Philip W. Mote, Proceedings of the National Academy of Sciences current issue, 2014

Johnstone and Mantua (1) claim that changes in atmospheric circulation were the primary cause of the observed warming of sea surface temperature around the northeastern Pacific margins and surface air temperature (SAT) in Northern California, Oregon, and Washington from 1901 to 2012. The results ...

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Comparison of reduced and sulfided CoMo/γ‐Al2O3 catalyst on hydroprocessing of pretreated bio‐oil in a continuous packed‐bed reactor

29.12.2014 | Divya R. Parapati, Vamshi K. Guda, Venkata K. Penmetsa, Sathish K. Tanneru, Brian Mitchell, Philip H. Steele, Environmental Progress, 2014

Pretreated bio‐oil was hydroprocessed with conventional sulfided CoMo/γ‐Al2O3 catalyst in a continuous packed‐bed reactor. Hydroprocessing experiments were performed at a temperature of 350 to 400°C, 1500 psig hydrogen pressure, using a hydrogen flow rate of 500 mL/min at a liquid hourly space ...

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Investigation on the Applicability of the Effervescent Atomizer in Spray Drying of Foods: Influence of Liquid Viscosity on Nozzle Internal Two‐Phase Flow and Spray Characteristics

29.12.2014 | Philipp Stähle, Volker Gaukel, Heike P. Schuchmann, Journal of Food Process Engineering, 2014

Abstract The influence of viscosity of a food‐based model liquid on the flow patterns inside an effervescent atomizer as well as on the spray was investigated. Viscosity ranged from 0.001 to 0.308 Pa·s. The flow pattern inside the atomizer changes from annular to an unfavorable slug flow for ...

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