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1.702 Aktuelle Fachpublikationen zum Thema temperature

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Rheological behavior of uncured styrene‐butadiene rubber at low temperatures, pure and filled with carbon black

18.04.2015 | Alice Crié, Claire Baritaud, Rudy Valette, Bruno Vergnes, Polymer Engineering and Science, 2015

The flow behavior of an uncured styrene‐butadiene rubber (SBR) has been studied by using a specific preshearing capillary rheometer in the range of temperatures encountered in extrusion, i.e. between 40°C and 90°C. A pure SBR and various SBR compounds filled with different amounts of carbon ...

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Continuous Operation of Interconnected Fluidized Bed Reactor for Chemical Looping Combustion of CH4 Using Hematite as Oxygen Carrier

14.04.2015 | Jinchen Ma; Haibo Zhao; Xin Tian; Yijie Wei; Yongliang Zhang; Chuguang Zheng, Energy & Fuels, 2015

Chemical looping combustion (CLC) is a novel technology for CO2 capture with low energy penalty. This technique involves the operation of the interconnected fluidized bed reactors, within which solid oxygen carrier particles circulate to provide active lattice oxygen for fuel combustion. An ...

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Sensors, Vol. 15, Pages 8624-8641: Magnetic Nanoparticle Thermometer: An Investigation of Minimum Error Transmission Path and AC Bias Error

14.04.2015 | Du, Zhongzhou ; Su, Rijian ; Liu, Wenzhong ; Huang, Zhixing, Sensors, 2015

The signal transmission module of a magnetic nanoparticle thermometer (MNPT) was established in this study to analyze the error sources introduced during the signal flow in the hardware system. The underlying error sources that significantly affected the precision of the MNPT were determined ...

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[Report] Eddy-driven subduction exports particulate organic carbon from the spring bloom

10.04.2015 | Melissa M. Omand; Eric A. D’Asaro; Craig M. Lee; Mary Jane Perry; Nathan Briggs; Ivona Cetinić; Amala Mahadevan, Science , 2015

The export of particulate organic carbon (POC) from the surface ocean to depth is traditionally ascribed to sinking. Here, we show that a dynamic eddying flow field subducts surface water with high concentrations of nonsinking POC. Autonomous observations made by gliders during the North Atlantic ...

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Hybridized Electromagnetic–Triboelectric Nanogenerator for Scavenging Air-Flow Energy to Sustainably Power Temperature Sensors

08.04.2015 | Xue Wang; Shuhua Wang; Ya Yang; Zhong Lin Wang, ACS Nano, 2015

We report a hybridized nanogenerator with dimensions of 6.7 cm × 4.5 cm × 2 cm and a weight of 42.3 g that consists of two triboelectric nanogenerators (TENGs) and two electromagnetic generators (EMGs) for scavenging air-flow energy. Under an air-flow speed of about 18 m/s, the hybridized ...

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Fast Surface Diffusion of Amorphous o-Terphenyl and Its Competition with Viscous Flow in Surface Evolution

06.04.2015 | Wei Zhang; Caleb W. Brian; Lian Yu, Journal of Physical Chemistry B, 2015

Surface self-diffusion coefficients have been measured for the model molecular glass o-terphenyl (OTP) through surface-grating decay driven by capillarity. The decay mechanism transitions from viscous flow at high temperatures to surface diffusion at low temperatures; for 1000 nm wavelength ...

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Influence of Jet Fuel Composition on Aircraft Engine Emissions: A Synthesis of Aerosol Emissions Data from the NASA APEX, AAFEX, and ACCESS Missions

02.04.2015 | Richard H. Moore; Michael Shook; Andreas Beyersdorf; Chelsea Corr; Scott Herndon; W. Berk Knighton; Richard Miake-Ly ..., Energy & Fuels, 2015

We statistically analyze the impact of jet fuel properties on aerosols emitted by the NASA Douglas DC-8 (Tail No. N817NA) CFM56-2-C1 engines burning 15 different aviation fuels. Data were collected for this single engine type during four different, comprehensive ground tests conducted over the ...

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Reactive melt blending of low-density polyethylene with poly (acrylic acid)

29.03.2015 | Author(s): Tahseen A. Saki, Arabian Journal of Chemistry, 2015

Publication date: March 2015 Source:Arabian Journal of Chemistry, Volume 8, Issue 2 Author(s): Tahseen A. Saki Reactive melt blending of low-density polyethylene LDPE with a low molecular weight poly (acrylic acid) PAA in the presence of benzoyl peroxide (BPO) free radical initiator was ...

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The linear rheological responses of wedge‐type polymers

28.03.2015 | Miao Hu, Yan Xia, Christopher S. Daeffler, Jinhua Wang, Gregory B. McKenna, Julia A. Kornfield, Robert H. Grubbs, Journal of Polymer Science Part B: Polymer Physics, 2015

ABSTRACT The linear rheological responses of a series of specially designed wedge‐type polymers synthesized by the polymerization of large molecular weight monomers have been measured. These wedge polymers contained large side groups which contained three flexible branch chains per polymer ...

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Gas‐Phase and Solid‐State Simultaneous Mechanism for Two‐Step Carbothermal AlON Formation

27.03.2015 | Xiumin Xie, Ying Wang, Jianqi Qi, Nian Wei, Qiwu Shi, Shanshan Wang, Huajun Wu, Tiecheng Lu, Journal of the American Ceramic Society, 2015

AlON powders were synthesized by two‐step carbothermal reduction nitridation method, which includes thermal treatment of Al2O3/C mixtures at 1200°C–1600°C for 2h, followed by subsequent heating at 1750°C for 1.5h in N2 flow. The effects of soaking temperatures of the first step on phase ...

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