Báo cáo khoa học: " Réaction individuelle de hêtres (Fagus silvatica d’âges divers à diverses intensités d’éclaircie" pptx

... années de croissance), demanderait à être confirmé sur une plus longue période. Article de recherche Réaction individuelle de hêtres (Fagus silvatica L.) d’âges divers à diverses ... placettes monoarbres réparties en 8 blocs de 40 arbres : deux blocs de 37 ans, un de 48, trois de 58 et deux de 70 ans à la fin de 1976. Ce...

Ngày tải lên: 09/08/2014, 02:21

... (figure1) issues de la station Paracou, à 6 km des parcelles, indiquent que de mai à juillet la pluviométrie fut en moyenne de 297,8 mm/mois, et d’août à décembre de 137,5 mm/mois. ... d’août à décembre de 137,5 mm/mois. Ces deux périodes correspondent respectivement à la grande saison des pluies et à la grande saison sèche. La haut...

Ngày tải lên: 08/08/2014, 23:22

... trials: Hypothesis and design Hypothesis and study questions are designed to improve the understanding of the mechanism by which an intervention works Hypothesis and study questions are designed to facilitate decision ... well-defined, homogenous sample of patients Wide inclusion/exclusion criteria to reflect actual, often diverse, patient populations in clinical practices Practice setting Ho...

Ngày tải lên: 10/08/2014, 10:23

... for ThDP-dependent enzymes, be they 2-oxoacid decarboxylases or carboligases [examples of a non-oxidative decarboxylase yeast pyruvate decar- boxylase (YPDC; EC 4.1.1.1), an oxidative decarboxyl- ase, ... form of thiamin; benzaldehyde lyase; benzoylformate decarboxylase; CD; enamine intermediate; pyruvate decarboxylase; pyruvate dehydrogenase; thiamin diphosphate Correspondence N. S. Nemeria,...

Ngày tải lên: 29/03/2014, 23:20

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Ngày tải lên: 18/02/2014, 03:20

... hydrogen peroxide (Eqn 3). POX : pyruvate þ phosphate + oxygen + H þ ! acetyl phosphate + CO 2 +H 2 O 2 ð3Þ Phosphate-independent pyruvate oxidase from E. coli In E. coli , a related ThDP and FAD-dependent ... protonation of the lipoamide disul de, and a general base must be involved to deprotonate the a-OH of the HEThDP enamine. Structural and functional data implicate highly-conserved His...

Ngày tải lên: 18/02/2014, 08:20

... reactivity towards L-3TC nucleotides. Antiviral Res. 50, 147–156. 16. Lu, Q. & Inouye, M. (1996) Adenylate kinase complements nucleoside diphosphate kinase de ciency in nucleotide meta- bolism. Proc. ... Anne-Marie Gilles 2 and Dominique Deville-Bonne 1 1 Unite ´ de Re ´ gulation Enzymatique des Activite ´ s Cellulaires and 2 Laboratoire de Chimie Structurale des Macromole ´ cules, C...

Ngày tải lên: 08/03/2014, 02:20

... three parts. The de niendum is the element that is de- fined (Latin: that which is to be de ned). The de niens provides the meaning of the de niendum (Latin: that which is doing the de ning). De nien- dum ... glossary creation, the DEFINDER system combines shallow natural lan- guage processing with deep grammatical analysis to identify and extract de nitions and the terms they de ne...

Ngày tải lên: 08/03/2014, 21:20

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Ngày tải lên: 15/03/2014, 22:20

... Minimal De nite Descriptions Claire Gardent CNRS, LORIA, Nancy gardent@loria.fr Abstract The incremental algorithm introduced in (Dale and Reiter, 1995) for producing dis- tinguishing descriptions ... possible function of de nite descriptions is to identify a set of referents 1 : by uttering an expression of the form The N, the speaker gives sufficient information to the hearer so that s/he...

Ngày tải lên: 17/03/2014, 08:20