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Naves YR. 1949. Etudes sur les matieres vegetales volatiles XC1. Presence d'apocynine (aceto-vanillone) dans I'huile essentielle d'iris. Helv Chim Acta 32: 1351.Naves, Y. R., and Grampoloff, A. V., Etudes sur les matieres vegetales volatiles XX. Sur la composition de l’extrit ...
Les problèmes fondamentaux de la géodésie et les solutions qui y ont été apportées grâce à l'observation des satellites artificiels的书评 ··· ( 全部0 条 ) 论坛 ··· 在这本书的论坛里发言 + 加入购书单 ...
Napus, by the comparison of the rates obtained in different crosses. I detected no effect of the divergence between A genomes of B. Rapa and B. Napus, but significant effects of both the B. Napus genotype and the structure of F& hybrids. The effet of the hybrid structure was considerable...
Additionally, there is a strong social incentive to reduce the carbon footprint due to mobile communications, which has notably increased in the last decade. In this context, the integration of femtocells in cellular networks is a low-power, low-cost solution to offer high data rates to ...
It has been proposed, mainly on the basis of spectral evidence, that the addition of chlorine top-benzoquinone gives thecis-dichloride, and that in an alcoholic solution this substance isomerizes to thetrans-dichloride, which then enolizes to the corresponding hydroquinone. Upon reexamination of...
An important issue in autoimmune diseases mediated by T cells, such as experimental allergic encephalomyelitis (EAE), is the affinity of the disease-inducing determinants for MHC class II proteins. Tolerance, either due to clonal deletion or anergy induction, is thought to require high-affinity ...
This PhD thesis manuscript is organized in two parts. The first, theoretical, part deals with fibre optical parametric amplification in conventional and highly non linear fibres. New amplifier schemes aimed at increasing the transmission rates of wavelength-division-multiplexed systems are proposed and ...
Three pulse generation models have been proposed on the basis of Markov chains for the purpose of generating daily intermittent streamflow time series in this study. The first one is based on two two-state Markov chains, whereas the second uses a three-state Markov chain. The third model uses...
In particular this indicated a rise in the peak flow towards the resort, which may activate erosive processes above the debris flow source areas. Aujourd’hui, l’homme, par les progrès techniques qu’il développe, défie les limites autrefois imposées par la nature, en colonisant des ...