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2.846 Aktuelle Fachpublikationen zum Thema temperature

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Chemical vapor generation from an ionic liquid using a solid reductant: determination of Hg, As and Sb by atomic fluorescence spectrometry

09.02.2016 | Xiaodong Wen; Ying Gao; Peng Wu; Zhiqiang Tan; Chengbin Zheng; Xiandeng Hou, Journal of Analytical Atomic Spectrometry, 2016

Generation of volatile hydrides and elemental mercury was accomplished in non-aqueous media by using a solid reductant of lithium aluminium tetrahydride (LiAlH4), stannous chloride dehydrate (SnCl2) or tetrahydroborate (THB) as a derivation reagent. A room temperature ionic liquid (RTIL) was used ...

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Sensors, Vol. 16, Pages 219: Poly(Ionic Liquid) Semi-Interpenetrating Network Multi-Responsive Hydrogels

06.02.2016 | Tudor, Alexandru ; Florea, Larisa ; Gallagher, Simon ; Burns, John ; Diamond, Dermot, Sensors, 2016

Herein we describe poly(ionic liquid) hydrogel actuators that are capable of responding to multiple stimuli, namely temperature, ionic strength and white light irradiation. Using two starting materials, a crosslinked poly ionic liquid (PIL) and a linear ...

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Sensors, Vol. 16, Pages 200: Mechanical Modulation of Phonon-Assisted Field Emission in a Silicon Nanomembrane Detector for Time-of-Flight Mass Spectrometry

05.02.2016 | Park, Jonghoo ; Blick, Robert H., Sensors, 2016

We demonstrate mechanical modulation of phonon-assisted field emission in a free-standing silicon nanomembrane detector for time-of-flight mass spectrometry of proteins. The impacts of ion bombardment on the silicon nanomembrane have been explored in both mechanical and electrical points of view. ...

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Sensors, Vol. 16, Pages 204: Plastic Deformation of Micromachined Silicon Diaphragms with a Sealed Cavity at High Temperatures

05.02.2016 | Ren, Juan ; Ward, Michael ; Kinnell, Peter ; Craddock, Russell ; Wei, Xueyong, Sensors, 2016

Single crystal silicon (SCS) diaphragms are widely used as pressure sensitive elements in micromachined pressure sensors. However, for harsh environments applications, pure silicon diaphragms are hardly used because of the deterioration of SCS in both electrical and mechanical properties. To ...

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A porous carbon derived from amino‐functionalized material of Institut Lavoisier as a solid‐phase microextraction fiber coating for the extraction of phthalate esters from tea

03.02.2016 | Weiqian Liang, Juntao Wang, Xiaohuan Zang, Chun Wang, Zhi Wang, Journal of Separation Science, 2016

In this work, a porous carbon derived from amino‐functionalized material of Institut Lavoisier (C‐NH2‐MIL‐125) was prepared and coated onto a stainless steel wire through sol‐gel technique. The coated fiber was used for the solid phase microextraction of trace levels of phthalate esters (diallyl ...

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Enantioselective separation and pharmacokinetic dissipation of cyflumetofen in field soil by ultra performance convergence chromatography with tandem mass spectrometry

02.02.2016 | Na Liu, Fengshou Dong, Jun Xu, Xingang Liu, Zenglong Chen, Xinglu Pan, Xixi Chen, Yongquan Zheng, Journal of Separation Science, 2016

Little data on the enantioselective separation of cyflumetofen exists, despite the fact that such data are essential to the assessment of the fate and potential toxic effects of cyflumetofen enantiomers. To address this issue, a simple and sensitive method for the enantioselective determination ...

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Sensors, Vol. 16, Pages 187: Pressure and Temperature Sensors Using Two Spin Crossover Materials

02.02.2016 | Jureschi, Catalin-Maricel ; Linares, Jorge ; Boulmaali, Ayoub ; Dahoo, Pierre Richard; Rotaru, Aurelian ; Garcia, Yann, Sensors, 2016

The possibility of a new design concept for dual spin crossover based sensors for concomitant detection of both temperature and pressure is presented. It is conjectured from numerical results obtained by mean field approximation applied to a Ising-like model that using two different spin ...

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Sensors, Vol. 16, Pages 176: All-Digital Time-Domain CMOS Smart Temperature Sensor with On-Chip Linearity Enhancement

30.01.2016 | Chen, Chun-Chi ; Chen, Chao-Lieh ; Lin, Yi, Sensors, 2016

This paper proposes the first all-digital on-chip linearity enhancement technique for improving the accuracy of the time-domain complementary metal-oxide semiconductor (CMOS) smart temperature sensor. To facilitate on-chip application and intellectual property reuse, an all-digital time-domain ...

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CE‐UV for the characterization of passion fruit juices provenance by amino acids profile with the aid of chemometric tools

23.01.2016 | Heloisa Moretti Passos, Zuzana Cieslarova, Ana Valéria Colnaghi Simionato, ELECTROPHORESIS, 2016

A separation method was developed in order to quantify free amino acids in passion fruit juices using CE‐UV. A selective derivatization reaction with FMOC followed by MEKC analysis was chosen due to the highly interconnected mobilities of the analytes, enabling the separation of 22 amino acids ...

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Non‐intrusive, in situ detection of ammonia in hot gas flows with mid‐infrared degenerate four‐wave mixing at 2.3 µm

22.01.2016 | A.‐L. Sahlberg, D. Hot, M. Aldén, Z. S. Li, Journal of Raman Spectroscopy, 2016

We demonstrate non‐intrusive, in situ detection of ammonia (NH3) in reactive hot gas flows at atmospheric pressure using mid‐infrared degenerate four‐wave mixing (IR‐DFWM). IR‐DFWM excitation scans were performed in the v2 + v3 and v1 + v2 vibrational bands of NH3 around 2.3 µm for gas flow ...

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