At the turn of the seventeenth century, George Chapman's four French tragedies are one of the most significant testimonies on the political and philosophical mutations in the English society. Through the staging of the contemporary history of France under Henry III an...
The research's subject consists in studing the activity of the french companies on the outside markets and their effects on the moroccan economy. The present investigation means to explain that :. At the first time, the main reasons concerni...
In this study, the structure and activity of the nitrate-reducers community were analysed in bulk and rhizospheric soils from three different non-isogenic transgenic cultivars of maize (two Bacillus thuringiensis maize and one glyphosate-resistant maize) in a long-term field experiment. DNA was ...
The thermal history of the central part of the Paris basin is reconstructed using C 31 hopane S / R isomerisation ratios and organic matter transformation ratios measured on Lower Toarcian and Callovo-Oxfordian samples. Maximum burial palaeotemperatures range between 90 and 115°C for the Toarcian...
The existence of an equilibrium between the conformers caused by the different orientations of the nitrogen lone pair with respect to the carbonyl group can be forecast. This model enables the interpretation of the carbonyl absorptions of the α-substituted (methoxy and ethoxy) ethyl acetates....
Les lichens sur serpentine et amphibolite du plateau du mont Albert, Gaspesie, Quebec. Canadian Journal of Botany 66:851-862.Sirois, L., F. Lutzoni & M. M. Grandtner. 1988. Les lichens sur serpentine et amphibolite du plateau du Mont Albert, Gaspe´sie, Que´bec. Canadian Journal...