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1.782 Aktuelle Fachpublikationen zum Thema temperature

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Ozonolysis of a Series of Methylated Alkenes: Reaction Rate Coefficients and Gas‐Phase Products

24.07.2015 | Tristan Braure, Véronique Riffault, Alexandre Tomas, Romeo Iulian Olariu, Cecilia Arsene, Yuri Bedjanian, Patrice Co ..., International Journal of Chemical Kinetics, 2015

ABSTRACT The gas‐phase ozonolysis of three methylated alkenes, i.e., trans‐2,2‐dimethyl‐3‐hexene (22dM3H), trans‐2,5‐dimethyl‐3‐hexene (25dM3H), and 4‐methyl‐1‐pentene (4M1P), has been investigated in the presence of sufficient hydroxyl radical scavenger in a laminar flow reactor at ambient ...

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Thermoplastic softening behavior of organically modified polyoxotitanates: Effects of the amount of water and benzoylacetone for hydrolyzing alkoxides

23.07.2015 | Shinya Oda, Hiromitsu Kozuka, Hiroaki Uchiyama, Journal of Applied Polymer Science, 2015

ABSTRACT Organically modified polyoxotitanates were prepared by hydrolyzing titanium tetra‐n‐butoxide in the presence of benzoylacetone (BzAc) in solution at Ti(OC4H9)4 : BzAc : H2O : CH3COCH3 mole ratios of 1 : (1 or 2) : (1 or 10) : 20. The solutions were concentrated at 80°C and dried at ...

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Effects of Temperature, Oxygen Level, Ionic Strength, and pH on the Reaction of Benzene with Hydroxyl Radicals at the Air–Water Interface in Comparison to the Bulk Aqueous Phase

22.07.2015 | Aubrey A. Heath; Kalliat T. Valsaraj, Journal of Physical Chemistry A, 2015

Atmospheric aerosols (e.g., fog droplets) are complex, multiphase mediums. Depending on location, time of day, and/or air mass source, there can be considerable variability within these droplets, relating to temperature, pH, and ionic strength. Due to the droplets’ inherently small size, the ...

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Photodrive of magnetic bubbles via magnetoelastic waves [Physics]

21.07.2015 | Naoki Ogawa; Wataru Koshibae; Aron Jonathan Beekman; Naoto Nagaosa; Masashi Kubota; Masashi Kawasaki; Yoshinori Tokura, Proceedings of the National Academy of Sciences current issue, 2015

Precise control of magnetic domain walls continues to be a central topic in the field of spintronics to boost infotech, logic, and memory applications. One way is to drive the domain wall by current in metals. In insulators, the incoherent flow of phonons and magnons induced by the temperature ...

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Determining Cooling Screen Slagging Reactor Operating Temperature

20.07.2015 | K. Froment; J. M. Seiler; J. Poirier; L. Colombel, Energy & Fuels, 2015

In the context of using ligno cellulosic or waste feedstock for energetic applications, it is essential to produce a clean syngas able to be used in further catalytic conversion. Entrained flow gasification is a very promising reactor technology. A slagging entrained flow reactor gives the ...

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Integrated utilization of red radish seeds for the efficient production of seed oil and sulforaphene

20.07.2015 | Author(s): Jie Zhang, Xing Zhou, Min Fu, Food Chemistry, 2015

Publication date: 1 February 2016 Source:Food Chemistry, Volume 192 Author(s): Jie Zhang, Xing Zhou, Min Fu Supercritical CO2 was used to obtain seed oil from red radish seeds. The influence of pressure, temperature, CO2 flow rate and time on extraction yield of oil were investigated ...

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Development of a high-performance liquid chromatography method based on a core–shell column approach for the rapid determination of multiclass polyphenols in grape pomaces

20.07.2015 | Author(s): Ariel R. Fontana, Andrea Antoniolli, Rubén Bottini, Food Chemistry, 2015

Publication date: 1 February 2016 Source:Food Chemistry, Volume 192 Author(s): Ariel R. Fontana, Andrea Antoniolli, Rubén Bottini A rapid and economically affordable reverse-phase chromatographic approach based on a core–shell column with high-performance liquid chromatography ...

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Impact of electrospinning process parameters on the measured current and fiber diameter

17.07.2015 | Siavash Sarabi‐Mianeji, Jennifer Scott, Danny J.Y.S. Pagé, Polymer Engineering and Science, 2015

In this article, polycaprolactone (PCL) nanofibres were processed by electrospinning using a 3:1 ratio of tetrahydrofuran to methanol as solvent. The solvent choice was motivated by the possibility of greener alternatives to the halogenated compounds most often used for electrospinning. The ...

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Effects of Particle Shrinkage and Devolatilization Models on High-Temperature Biomass Pyrolysis and Gasification

17.07.2015 | Xiaoke Ku; Tian Li; Terese Løvås, Energy & Fuels, 2015

The effects of two different particle shrinkage and devolatilization models on biomass pyrolysis and gasification behavior in a high-temperature (1400 °C) entrained-flow reactor have been studied employing a three-dimensional Eulerian–Lagrangian computational fluid dynamic model in the framework ...

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Hydromagnetic blasius flow of power‐law nanofluids over a convectively heated vertical plate

15.07.2015 | Waqar A. Khan, Richard Culham, Oluwole D. Makinde, The Canadian Journal of Chemical Engineering, 2015

Abstract In this study, the hydromagnetic Blasius flow of power‐law nanofluids is investigated numerically. A convectively heated impermeable vertical plate is used and a constant transverse magnetic field is applied at the plate surface. The characteristics of water‐based non‐Newtonian ...

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