Results 171 to 180 of about 7,030 (197)

Catalizadores de Pt sobre distintas zeolitas y su comportamiento en la hidrogenación enantioselectiva del piruvato de etilo [PDF]

, 2011
Aramendía, M.A., Boráu Bolós, Victoriano, Marinas, Alberto, Marinas, José María, Montes, V., Urbano Navarro, Francisco José   +5 more
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Ultrasound-assisted Extraction of Ursolic Acid from the Flowers of Ixora coccinia Linn (Rubiaceae) and Antiproliferative Activity of Ursolic Acid and Synthesized Derivatives.

Pharmacogn Mag, 2017
Alves Monteath SAF, Maciel MAM, Vega RG, de Mello H, de Araújo Martins C, Esteves-Souza A, Gattass CR, Echevarria A.   +7 more
europepmc   +1 more source

Calidad agroindustrial del aceite de higuerilla (Ricinus communis L.) para la producción de bioenergéticos en Mexico. [PDF]

, 2012
BONILLA, J. L. S., COLMENERO, A. Z., CRUZ, M. H., VALENCIA, B. B. M.   +3 more
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Estudio experimental de la biotransformación y neurotoxicidad de los derivados del n-hexano

, 1991
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Estudio de la separación de n-hexano-acetato de etilo por destilación extractiva

South Florida Journal of Development, 2022
Se simula mediante Aspen plus el procedimiento de destilación extractiva para el sistema binario de Acetato de etilo-N-hexano. Después del análisis de un conjunto de solventes en base a su polaridad principalmente se eligió el DMF como el disolvente. Se enfocó el estudio en la columna de destilación extractiva, se diseñó para la separación de la mezcla.
Hanoi Abdel Pérez- Ramírez, Silvia Cecilia Carrillo- Mastache, Javier Temoltzi Ávila, Sergio Damián Vázquez, Rene Camacho, Miguel Ángel Rodríguez Rodríguez, Emilio Nezahualcóyotl García Pérez, Hebert Lugo Granados   +7 more
openaire   +1 more source

Multi-step reaction pathways in the decomposition of ionised n-hexanoic acid

International Journal of Mass Spectrometry and Ion Physics, 1982
Abstract Metastable molecular ions of n-hexanoic acid ( 1 ) decompose unimolecularly to C2H5 and protonated methacrylic acid ( 5 -H+). Investigation of the mechanism reveals that 1) the branched cation radical 11 must be regarded as the essential intermediate in the course of the rearrangement/dissociation reaction and 2) the process ...
H. Schwarz, T. Weiske, K. Levsen, A. Maquestiau, R. Flammang   +4 more
openaire   +2 more sources

FT-IR study of micelle formation in aqueous sodium n-hexanoate solutions

The Journal of Physical Chemistry, 1980
The application of Fourier transform infrared (FT-IR) spectroscopy to the study of aqueous surfactant solutions is shown to give valuable information concerning the the self-association of such systems. In the case of aqueous sodium n-hexanoate, progressive aggregation and sodium ion binding are demonstrated to commence at a concentration of ...
Junzo Umemura, David G. Cameron, Henry H. Mantsch   +2 more
openaire   +1 more source

The action ofn-butyric,n-hexanoic andiso-butyric acids on the respiration ofCandida tropicalis

Antonie van Leeuwenhoek, 1973
The action ofn-butyric,n-hexanoic andiso-butyric acids on the respiration of resting cells ofCandida tropicalis was studied at pH 4.5 and 5.7 using a Warburg respirometer. In each case the rate of respiration rose as the concentration of acid was increased until a maximum was reached.
G H, Bell, P, Trancart
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Deuterium and carbon-13 NMR of the solid polymorphism of benzenehexoyl hexa-n-hexanoate

Journal of the American Chemical Society, 1987
Deuterium and carbon-13 NMR of specifically labeled benzenehexoyl hexa-n-hexanoate in the various solid-state phases are reported. The spectra exhibit dynamic line shapes which change discontinuously at the phase transitions. The results are interpreted in terms of sequential melting of the side chains on going from the low-temperature solid phases IV,
Lifshitz, E., Goldfarb, D., Vega, S., Luz, Z., Zimmermann, H.   +4 more
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“Vapor–liquid” equilibrium measurements and modeling for the cyclohexane+n-hexanoic acid binary system

Fluid Phase Equilibria, 2011
Abstract To simulate cyclohexane to cyclohexanol oxidation reactors, the acquisition and modeling of vapor–liquid equilibria of the key components, under the process conditions, are essential. n-Hexanoic acid is a co-product of the reaction. Vapor–liquid equilibrium data are reported for the cyclohexane + n-hexanoic acid binary system at four ...
Alain Valtz, Chien-Bin Soo, Christophe Coquelet, Dominique Richon, Daniel Amoros, Hubert Gayet   +5 more
openaire   +1 more source