Results 21 to 30 of about 150,649 (280)

Reduction of diphenylacetylene using Al powder in the presence of noble metal catalysts in water [PDF]

open access: yes, 2016
Diphenylacetylenes can be reduced to the corresponding diphenylethanes (2) in water in excellent yield using Al powder and Pd/C at 60 °C for 3 h in a sealed tube.
Kowser, Zannatul   +3 more
core   +1 more source

Macromolecules and Enzymes: The Geneva Heritage from Kurt H. Meyer and Edmond H. Fischer

open access: yesCHIMIA, 2009
On the 26th May 2009, Edmond Fischer, winner with Ed Krebs of the Nobel prize in physiology or medicine in 1992, and his colleague at the time of his research activities at the Ecole de chimie of the University of Geneva, Alfred Piguet, met with
Edmond H. Fischer, Alfred Piguet
doaj   +1 more source

Development of an injectable composite for bone regeneration [PDF]

open access: yes, 2013
With the development of minimally invasive surgical techniques, there is a growing interest in the research and development of injectable biomaterials especially for orthopedic applications.
Amédée, Joelle   +18 more
core   +6 more sources

Erbium-doped nanoparticles in silica-based optical fibres [PDF]

open access: yes, 2012
Developing of new rare-earth (RE)-doped optical fibres for power amplifiers and lasers requires continuous improvements in the fibre spectroscopic properties (like shape and width of the gain curve, optical quantum efficiency, resistance to spectral hole
Blanc, Wilfried   +2 more
core   +3 more sources

On-line monitoring of the transesterification reaction between triglycerides and ethanol using near infrared spectroscopy combined with gas chromatography [PDF]

open access: yes, 2011
Many analytical procedures have been developed to determine the composition of reaction mixtures during transesterification of vegetable oils with alcohols.
Dubreuil, Brigitte   +4 more
core   +3 more sources

Dom André Gentil prieur de l’abbaye de Fontenay (Côte-d’Or), aux fondements de l’œnologie du xviiie siècle

open access: yesCrescentis
Il est communément admis de faire coïncider la naissance de l’œnologie moderne avec Chaptal et Lavoisier et le début du xixe siècle. Le premier pour avoir découvert la méthode éponyme de sucrage des vins et le second pour la mise en équation de ...
Dominique Delevoye
doaj   +1 more source

La chimie de A.-E. Baudrimont (1806-1880) : Prélude à la Chimie Physique

open access: yesPhilosophia Scientiæ, 2005
Science historians mainly know A.-E. Baudrimont as belonging to a group of French chemists from Haüy to Pasteur including Ampere, Gaudin, Laurent, Delafosse, who established links between crystallographic data and chemical reactions.In his 1844 book ...
Myriam Scheidecker-Chevallier
doaj   +1 more source

Corrigendum: Selective catalytic and kinetic studies on oxydehydrogenation of ethane with CO2 over lanthanide metal catalysts

open access: yesComptes Rendus. Chimie, 2020
This note corrects an issue that has been identified in the article in Comptes Rendus Chimie with the above title. It was published online on 6th June 2020 in Volume 23, Issue 1, 2020, pages 33–46, https://doi.org/10.5802/crchim.4.
Wang, Peng   +5 more
doaj   +1 more source

On the use of the IAST method for gas separation studies in porous materials with gate-opening behavior

open access: yes, 2018
Highly flexible nanoporous materials, exhibiting for instance gate opening or breathing behavior, are often presented as candidates for separation processes due to their supposed high adsorption selectivity.
Boutin, Anne   +3 more
core   +3 more sources

Synthesis of CoAl2O4 by double decomposition reaction between LiAlO2 and molten KCoCl3 [PDF]

open access: yes, 2008
Submicronic CoAl2O4 powders were prepared by double decomposition reaction between solid LiAlO2 and molten KCoCl3 at 500 ◦C for 24 h. The reaction mechanism involves the dissolution of LiAlO2 shifted by the precipitation of CoAl2O4 until complete ...
Durand, Bernard   +6 more
core   +2 more sources

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