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2.638 Aktuelle Fachpublikationen zum Thema temperature

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Influence of γ-ray modified MWCNTs on the structural and thermal properties of high-density polyethylene

24.04.2016 | Author(s): Bilal Ghafoor, Malik Sajjad Mehmood, Umair Shahid, Mansoor A. Baluch, Tariq Yasin, Radiation Physics and Chemistry, 2016

Publication date: August 2016 Source:Radiation Physics and Chemistry, Volume 125 Author(s): Bilal Ghafoor, Malik Sajjad Mehmood, Umair Shahid, Mansoor A. Baluch, Tariq Yasin This study aims to investigate the influence of adding 100kGy γ-irradiated multi wall carbon nano tubes ...

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Molecules, Vol. 21, Pages 521: Sorption Kinetics on Open Carbon Nanohorn Aggregates: The Effect of Molecular Diameter

21.04.2016 | Russell, Brice A.; Khanal, Pravin ; Calbi, Maria M.; Yudasaka, Masako ; Iijima, Sumio ; Migone, Aldo D., Molecules, 2016

We present the results of a study of the kinetics of adsorption on aggregates of open carbon nanohorns using argon and CF4 sorbates. We measured the equilibration times for each value of the sorbent loading along eight adsorption isotherms (four isotherms for each sorbate species). We found that: ...

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Effect of temperature and concentration of acetylated‐lignin solutions on dry‐spinning of carbon fiber precursors

20.04.2016 | Meng Zhang, Amod A. Ogale, Journal of Applied Polymer Science, 2016

ABSTRACT Carbon fibers derived from biomass such as lignin have received increasing attention due to the sustainability of the precursor. In this study, partially acetylated softwood Kraft lignin (Ace‐SKL) was investigated for the purpose of dry‐spinning into carbon fiber precursors. The ...

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Microwave Absorption of SiC/HfCxN1−x/C Ceramic Nanocomposites with HfCxN1−x‐Carbon Core–Shell Particles

20.04.2016 | Qingbo Wen, Yao Feng, Zhaoju Yu, Dong‐Liang Peng, Norbert Nicoloso, Emanuel Ionescu, Ralf Riedel, Journal of the American Ceramic Society, 2016

The dielectric properties of high‐temperature stable single‐source precursor‐derived SiC/HfCxN1−x/C ceramic nanocomposites are determined by microwave absorption in the X‐band (8.2–12.4 GHz) at room temperature. The samples synthesized at 1700°C, denoted as SiC/5HfCxN1−x/C‐1700°C and ...

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Effect of Carbon Chain Length of Organic Salts on the Thermodynamic Stability of Methane Hydrate

20.04.2016 | Yuan Su; Stefano Bernardi; Debra J. Searles; Liguang Wang, Journal of Chemical & Engineering Data, 2016

This study presents the phase equilibrium conditions for methane hydrate with one of the following organic ammonium salts differing in carbon chain length: tetramethylammonium bromide (TMAB), tetraethylammonium bromide (TEAB), tetrapropylammonium bromide (TPrAB), tetrabutylammonium bromide ...

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FDCCS16 In situ studies of materials for high temperature CO2 capture and storage

20.04.2016 | Matthew T Dunstan; Serena A. Maugeri; Wen Liu; Matthew G. Tucker; Oluwadamilola O Taiwo; Belen Gonzalez; Phoebe Alla ..., Faraday Discussions, 2016

Carbon capture and storage (CCS) offers a possible solution to curb the CO2 emissions from stationary sources in the coming decades, considering the delays in shifting energy generation to carbon neutral sources such as wind, solar and biomass. The most mature technology for post-combustion ...

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Palladium‐Catalyzed Dearomatizing Difunctionalization of Indoles and Benzofurans

19.04.2016 | Vincenzo Ramella, Zhiheng He, Constantin G. Daniliuc, Armido Studer, European Journal of Organic Chemistry, 2016

Abstract A palladium‐catalyzed dearomatizing difunctionalization of N‐Boc‐indoles and benzofurans to give tricyclic indolines and 2,3‐dihydrobenzofurans with a fully substituted carbon center is described. Product formation occurs under mild conditions at room temperature with commercially ...

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[Report] Pre-transmetalation intermediates in the Suzuki-Miyaura reaction revealed: The missing link

15.04.2016 | Andy A. Thomas; Scott E. Denmark, Science , 2016

Despite the widespread application of Suzuki-Miyaura cross-coupling to forge carbon-carbon bonds, the structure of the reactive intermediates underlying the key transmetalation step from the boron reagent to the palladium catalyst remains uncertain. Here we report the use of low-temperature rapid ...

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Rethinking Coal: Thin Films of Solution Processed Natural Carbon Nanoparticles for Electronic Devices

15.04.2016 | Brent D. Keller; Nicola Ferralis; Jeffrey C. Grossman, Nano Letters, 2016

Disordered carbon materials, both amorphous and with long-range order, have been used in a variety of applications, from conductive additives and contact materials to transistors and photovoltaics. Here we show a flexible solution-based method of preparing thin films with tunable electrical ...

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Laser Chemistry: Nanoporous Carbons Derived from Metal‐Organic Frameworks as Novel Matrices for Surface‐Assisted Laser Desorption/Ionization Mass Spectrometry (Small 15/2016)

14.04.2016 | Yung‐Han Shih, Chien‐Ping Fu, Wan‐Ling Liu, Chia‐Her Lin, Hsi‐Ya Huang, Shengqian Ma, Small, 2016

On page 2057, a Lewis acid porous carbon material with tunable hydrophilicity is prepared by temperature controlled pyrolysis of Al based metal‐organic frameworks, by C.‐H. Lin, H.‐Y. Huang, S. Ma, and co‐workers. This porous carbon highlights its low heat capacity, and high water uptake, which ...

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