The very high value of the degradation constant of this polycondensate is probably a result of the presence, in this chain, of the very flexible tetramethylene segment.doi:10.1002/macp.1978.021790909Devaux JaquesGodard PierreMercier Jean‐PierreHüthig & Wepf VerlagDie Makromolekulare Chemie...
– Introduction of a methyl group in position 4 (angular position) has a deshielding effect on the proton located on carbon 5 (opposite angular position). – The main results are summarized in table I and figure 1.Martin, R. H.Université Libre de Bruxelles, Service de Chimie Organique, ...
doi:10.1002/recl.19010201203First page of articleCoopsG. HWILEY‐VCH VerlagRecueil des Travaux Chimiques des Pays-Bas et de la Belgique
doi:10.1002/recl.19020210402First page of articleDalle, P.John Wiley & Sons, Ltd.Recueil des Travaux Chimiques des Pays-Bas
Applications de la Spectrographie de R茅sonance Magn茅tique Nucl茅aire (R.M.N.) Dans le Domaine des D茅riv茅s Polycycliques A Caract猫re Aromatique IV. D茅riv茅s mono et bisubstitu茅s du dibenzo [g, p] chrys猫ne, benzo [a] ph茅nanthro [9,10-c] napthac猫ne-14,19-quinone ...
A fluorometric method is described for the estimation of di- and triphosphopyridine nucleotides (oxidized and reduced) in animal tissues.The continuous cycling reduction of DPN+ (or TPN+) in the presence of excess of ethanol and alcohol dehydrogenase (or glucose-6-phosphate and glucose-6-...
Deplacements superficiels et controle cli- matique des coulees a front pierreux de la Mortice, Haute-Ubaye, Alpes fran- caises du Sud. Permafrost and Periglacial Processes 11, 97e108.Todisco D., Bertran P. et Pech P., 2000 : Deplacements superficiels et controle climatique des coulees...