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1.764 Aktuelle Fachpublikationen zum Thema temperature

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Continuous Flow of Nitroso Diels-Alder Reaction

01.07.2015 | erika nakashima; Hisashi Yamamoto, Chemical Communication, 2015

Our flow reaction systems have provided quantitative yields of nitroso Diels-Alder products with no byproducts in cases of cyclic dienes without temperature and pressure controls. Additionally, the reaction times were significantly shortened by using homogeneous catalyst (CuCl) or heterogeneous ...

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Temperature Affects Human Sweet Taste via At Least Two Mechanisms

01.07.2015 | Barry G. Green; Danielle Nachtigal, Chemical Senses, 2015

The reported effects of temperature on sweet taste in humans have generally been small and inconsistent. Here, we describe 3 experiments that follow up a recent finding that cooling from 37 to 21 °C does not reduce the initial sweetness of sucrose but increases sweet taste adaptation. In ...

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High resolution far infrared spectroscopy of HFC-134a using a collisional cooling cell adapted to a synchrotron source

28.06.2015 | Author(s): Andy Wong , Chris Medcraft , Christopher D. Thompson , Evan G. Robertson , Dominique Appadoo , Don ..., Chemical Physics Letters, 2015

Publication date: 1 August 2015 Source:Chemical Physics Letters, Volume 634 Author(s): Andy Wong , Chris Medcraft , Christopher D. Thompson , Evan G. Robertson , Dominique Appadoo , Don McNaughton A low temperature (176K), high resolution far-IR spectrum of 1,1,1,2-tetrafluoroethane ...

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Pure H2 production through hollow fiber hydrogen‐selective MFI zeolite membranes using steam as sweep gas

27.06.2015 | Yuting Zhang, Qi Sun, Xuehong Gu, AIChE Journal, 2015

Abstract Hollow fiber MFI zeolite membranes were modified by catalytic cracking deposition of methyldiethoxysilane (MDES) to enhance their H2/CO2 separation performance and further employed in high temperature water gas shift membrane reactor (MR). Steam was used as the sweep gas in the MR for ...

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Alloy 800H under supercritical water conditions: a flow reactor study of corrosion and hydrogen evolution

26.06.2015 | K. I. Choudhry, I. M. Svishchev, L. Orlovskaya, Materials and Corrosion, 2015

Hydrogen evolution and corrosion rates for an Alloy 800H flow‐through reactor operating under supercritical water conditions were determined. Experiments were performed in the temperature range of 650 to 750 °C both with deoxygenated feed water, with an O2 concentration of less than 10 μg L−1 ...

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Development of a method using high‐performance liquid chromatographic fingerprint and multi‐ingredients quantitative analysis for the quality control of Yangxinshi Pian

24.06.2015 | Yerui Li, Kai Yang, Qiyuan Shi, Bowen Liu, Ye Jin, Xuesong Liu, Zuolin Jiang, Lianjun Luan, Yongjiang Wu, Journal of Separation Science, 2015

A simple and reliable method of high‐performance liquid chromatography with diode array detection was developed for fingerprint analysis and simultaneous determination of six compounds including puerarin, salvianolic acid B, berberine hydrochloride, palmatine chloride, dehydrocorydaline and ...

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Development of an extrusion die with rollers for foaming polymers

22.06.2015 | Boris V. Kichatov, Alexey M. Korshunov, Polymer Engineering and Science, 2015

Ideas concerning the use of a flat slot die with rollers in the technology of extrusion foaming of polymers are developed. Based on the experimental study of low‐density polyethylene foaming with isobutane, dependences of the cell density and foam density on the polymer solution viscosity, gap ...

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Elimination of C–Cl Bonds by a Homogeneous Conversion with Sufficient H2: An Attempt for the Control of Dioxin Emission in Municipal Solid Waste Gasification

18.06.2015 | Rui-zhi Zhang; Ren-hao Yin; Yong-hao Luo, Energy & Fuels, 2015

Thermochemical conversion has drawn much attention in the treatment of municipal solid waste (MSW). However, the formation of dioxins still cannot be efficiently avoided during the process. In dioxin molecules, C–Cl is the weakest bond and the major difference from common hydrocarbons. Thus, the ...

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Sensors, Vol. 15, Pages 14513-14525: The Role of Infrared Thermography as a Non-Invasive Tool for the Detection of Lameness in Cattle

18.06.2015 | Alsaaod, Maher ; Schaefer, Allan L.; Büscher, Wolfgang ; Steiner, Adrian, Sensors, 2015

The use of infrared thermography for the identification of lameness in cattle has increased in recent years largely because of its non-invasive properties, ease of automation and continued cost reductions. Thermography can be used to identify and determine thermal abnormalities in animals by ...

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Phase Coexistence in a Dynamic Phase Diagram

17.06.2015 | Luigi Gentile, Luigi Coppola, Sandor Balog, Kell Mortensen, Giuseppe A. Ranieri, Ulf Olsson, ChemPhysChem, 2015

Abstract Metastability and phase coexistence are important concepts in colloidal science. Typically, the phase diagram of colloidal systems is considered at the equilibrium without the presence of an external field. However, several studies have reported phase transition under mechanical ...

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