Results 241 to 250 of about 220,900 (271)

Crack-Free Precision during Desiccation: Optimizing Aerosol Jet Printing for High-Performance Conductive Microstructure Manufacturing. [PDF]

Nano Lett
Li G, Sun Y, Tian Y, Yu J, Mejia-Centeno KV, Khan MD, Wang S, Arbiol J, Cabot A, Sun Q.   +9 more
europepmc   +1 more source

Ambient pressure ammonia decomposition using Ga-Co supported catalytically active liquid metal solutions.

Catal Sci Technol
Rothgängel P, Taccardi N, Folkard AL, Söllner J, Søgaard A, Körner A, Hutzler A, Thommes M, Haumann M, Wasserscheid P.   +9 more
europepmc   +1 more source

Mass transfer and hydrodynamic characteristics of a high aspect ratio self-ingesting reactor for gas–liquid operations

Chemical Engineering Science, 2007
Abstract The mass transfer performance of a gas–liquid self-ingesting stirred reactor is reported both for coalescing and non-coalescing systems. The vessel features are a high aspect ratio and a rather narrow multiple-impeller draft tube, through which the gas phase is ingested and led down to the vessel bottom, where it is finely dispersed into the
F. Scargiali, R. Russo, F. Grisafi, A. Brucato   +3 more
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Effect of Gas/Liquid Mass Ratio on the Penetration of Aerated Liquid Jet in Supersonic Cross Flow

44th AIAA Aerospace Sciences Meeting and Exhibit, 2006
The success of supersonic air-breathing propulsion systems will be largely dependent on efficient injection, mixing, and combustion inside the supersonic combustion chamber. Fuel/air mixing enhancement inside the combustion chamber will depend on the strategies used to control the fuel jet penetration and droplet's size, velocity and dispersion ...
Chaouki Ghenai, Hayri Sapmaz, Cheng-Xian Lin   +2 more
openaire   +1 more source

Influence of gas chromatographic parameters on measurement of 13C/12C isotope ratios by gas-liquid chromatography-combustion isotope ratio mass spectrometry. I

Journal of Chromatography A, 1996
A potential influence of gas chromatographic parameters on measured 13C/12C-isotope ratios of saturated fatty acid methyl esters in gas chromatography-combustion-isotope ratio mass spectrometry (GC-C-IRMS) has been studied. A dependence of measured isotope ratios on temperature gradients was observed and differences in measured δ13C-values for ...
W. Meier-Augenstein, P.W. Watt, C.-D. Langhans   +2 more
openaire   +1 more source

The determination of oxygen-18 to oxygen-16 ratios in inorganic phosphates by gas-liquid chromatographic-mass spectrometric examination of the tri-n-butyl derivative

The Analyst, 1975
Aqueous solutions containing inorganic orthophosphates from biological materials were purified on ion-exchange columns and the phosphate was precipitated as its silver salt. The dried silver phosphate was made to react with 1-bromobutane in dimethylformamide, yielding tri-n-butyl phosphate.
D, Barltrop, P A, Lewis
openaire   +2 more sources

Investigation of a packed bed in a mini channel with a low channel-to-particle diameter ratio: Flow regimes and mass transfer in gas–liquid operation

Chemical Engineering and Processing: Process Intensification, 2014
Abstract This work analyzes flow regimes and mass transfer in a miniaturized packed bed reactor under reacting conditions. The reactor consisted of a cylindrical channel with an inner diameter of 2 mm which was filled with spherical catalyst particles having an outer diameter of 0.8 mm.
Robert Langsch, Johannes Zalucky, Stefan Haase, Ruediger Lange   +3 more
openaire   +1 more source

Use of compounds naturally labeled with stable isotopes for the study of the metabolism of glycoprotein neutral sugars by gas-liquid chromatography-isotope-ratio mass spectrometry. Technical validation in the rat

Carbohydrate Research, 1992
In order to develop an alternative method to radioactive labeling for the study of the glycoprotein sugar metabolism in man, the possible use of stable isotopes provided by naturally, 13C-enriched dietary compounds has been explored in rat intestine and serum.
C, Rambal, C, Pachiaudi, S, Normand, J P, Riou, P, Louisot, A, Martin   +5 more
openaire   +2 more sources

In silico screening of venturi designs and operational conditions for gas-liquid mass transfer applications

Chemical Engineering Journal, 2020
Venturi ejectors are commonly used to facilitate gas-liquid mass transfer, but their mass transfer characteristics depend on various operational and ejector design parameters, which make experimental identification of optimal conditions cumbersome. A CFD
Mads Borgbjerg Jensen
exaly   +2 more sources