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2.041 Aktuelle Fachpublikationen zum Thema temperature

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A new approach for pectin extraction: Electromagnetic induction heating

23.11.2014 | Author(s): Yamina Zouambia , Khadidja Youcef Ettoumi , Mohamed Krea , Nadji Moulai-Mostefa, Arabian Journal of Chemistry, 2014

Publication date: Available online 13 November 2014 Source:Arabian Journal of Chemistry Author(s): Yamina Zouambia , Khadidja Youcef Ettoumi , Mohamed Krea , Nadji Moulai-Mostefa Electromagnetic induction (EMI) and conventional (CV) heating have been employed to extract pectin from ...

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Anaerobic Fluidized Membrane Bioreactor Polishing of Baffled Reactor Effluent During Treatment of Dilute Wastewater

22.11.2014 | Ryunkyung Lee, Perry L. McCarty, Jaeho Bae, Jeonghwan Kim, Journal of Chemical Technology & Biotechnology, 2014

Abstract Background This is illustrated in the current study where an anaerobic fluidized bed membrane bioreactor (AFMBR) is added as a second stage to an operating anaerobic baffled bioreactor (ABR) termed the staged anaerobic baffled‐fluidized membrane bioreactor (SAB‐FMBR) at ambient ...

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Novel heterocyclic poly(pyridine‐imide)s with unsymmetric carbazole substituent and noncoplanar structure: High thermal, mechanical and optical transparency, electrochemical, and electrochromic properties

21.11.2014 | Ying‐Chi Huang, Kun‐Li Wang, Wei‐Yi Lee, Yi‐An Liao, Der‐Jang Liaw, Kueir‐Rarn Lee, Juin‐Yih Lai, Journal of Polymer Science Part A: Polymer Chemistry, 2014

ABSTRACT A diamine containing heterocyclic pyridine and unsymmetrical carbazole substituents, 4‐(9‐ethyl‐3‐carbazole)‐2,6‐bis(4‐aminophenyl)pyridine (CBAPP), was prepared for use in the synthesis of poly(pyridine‐imide)s PI‐1–8 by direct polycondensation with dianhydrides in ...

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Free Energy Simulations of Active-Site Mutants of Dihydrofolate Reductase

21.11.2014 | Dvir Doron; Vanja Stojković; Lokesh Gakhar; Alexandra Vardi-Kilshtain; Amnon Kohen; Dan Thomas Major, Journal of Physical Chemistry B, 2014

This study employs hybrid quantum mechanics–molecular mechanics (QM/MM) simulations to investigate the effect of mutations of the active-site residue I14 of E. coli dihydrofolate reductase (DHFR) on the hydride transfer. Recent kinetic measurements of the I14X mutants (X = V, A, and G) indicated ...

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Inactivation of Escherichia coli and Quality Changes in Black Mulberry Juice Under Pulsed Sonication and Continuous Thermosonication Treatments

19.11.2014 | Cüneyt Dinçer, Ayhan Topuz, Journal of Food Processing and Preservation, 2014

Abstract Effects of pulsed sonication and continuous thermosonication treatments on Escherichia coli ATCC 25922 inactivation in black mulberry juice were investigated at different acoustic power densities and different temperatures. The inactivation data were evaluated with five selected ...

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Recapillarity: Electrochemically Controlled Capillary Withdrawal of a Liquid Metal Alloy from Microchannels

19.11.2014 | Mohammad R. Khan, Chris Trlica, Michael D. Dickey, Advanced Functional Materials, 2014

This paper describes the mechanistic details of an electrochemical method to control the withdrawal of a liquid metal alloy, eutectic gallium indium (EGaIn), from microfluidic channels. EGaIn is one of several alloys of gallium that are liquid at room temperature and form a thin (nm scale) ...

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Chemically functionalized graphene/polymer nanocomposites as light heating platform

19.11.2014 | Cheng‐an Tao, Xiaorong Zou, Zhihong Hu, Huiping Liu, Jianfang Wang, Polymer Composites, 2014

Chemically functionalized graphene (CFG) is proposed as a novel nanoscale optical heater by uniformly dispersing it in poly(dimethylsiloxane) (PDMS) matrix. And subsequently, a simple, fast, and localized heating method on microfluidic chips is demonstrated. CFG is prepared through simultaneous ...

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Preparation of Large Granular Cu-Based Oxygen Carriers by Mechanical Mixing for Packed Bed Chemical-Looping Combustion

17.11.2014 | Zhiqi Wang; Yongqiang Liu; Jingli Wu; Tao He; Jianqing Li; Jinghu Wu, Energy & Fuels, 2014

Large granular oxygen carriers are proposed in packed-bed chemical looping combustion (CLC) reactors to facilitate the separation of fuel residues and oxygen carriers for solid fuels (especially biomass and combustible solid wastes) and avoid very large pressure drops for gas fuels, which require ...

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Reduction of N2 with H2 on palladium surfaces at low temperatures

16.11.2014 | Author(s): Junichi Murakami , Masayuki Futamata , Yukimichi Nakao , Shin Horiuchi , Kyoko Bando , Umpei Nagash ..., Chemical Physics Letters, 2014

Publication date: 2 January 2015 Source:Chemical Physics Letters, Volume 618 Author(s): Junichi Murakami , Masayuki Futamata , Yukimichi Nakao , Shin Horiuchi , Kyoko Bando , Umpei Nagashima , Kazuki Yoshimura Palladium is known to dissociate H2 and not to adsorb N2. We found N2 is ...

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Proposal and Verification of a Kinetic Mechanism Model for NOx Removal with Hydrazine Hydrate

15.11.2014 | L. Hong, L. J. Yin, D. Z. Chen, D. Wang, AIChE Journal, 2014

Abstract In this study, a relatively precise kinetic mechanism of NOx reduction using N2H4·H2O in a selective non‐catalytic reduction (SNCR) process was proposed and verified by experiment. The dominant radicals and reactions were confirmed, and the proper ranges of key parameters were ...

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