Báo cáo khoa học: "Un modèle de croissance en pessière hauteur des arbres pure irrégulière de montagne en" ppt

... bénéfique. Ce type de modèle peut permettre d’approfon- Article original Un modèle de croissance en hauteur des arbres en pessière pure irrégulière de montagne B Courbaud F ... de reproduire la diversité des formes des courbes de croissance en hauteur rencontrée en forêt irrégulière et les évolutions de la structure d’une...

Ngày tải lên: 08/08/2014, 23:22

... de petits arbres, ce qui renvoie en fait à un processus bivarié. Les marques des arbres sont tirées indépendamment les unes des autres et servent simplement à affecter les individus à l’une des ... la marque del’arbre dé- termine son processus de placement, qui s’effectue indé- pendamment des marques des autres arbres .; la marque de l’arbre détermine le positionnement...

Ngày tải lên: 08/08/2014, 14:20

... des valeurs successives obtenues pour le paramètre « p décrit ci-dessous. Le coefficient de pondération w de la somme des carrés des écarts est de la forme : w = 1!(X’’) ... (formats de lecture, choix des bornes et du pas de variation des exposants). - Lorsque l’on n’a aucune idée préalable des valeurs optimales des exposants, il...

Ngày tải lên: 09/08/2014, 02:21

... Pour des raisons ~videntes nous avons simplifi4 la representation dans eat exemple en d~finissant sur chaque point une par- tie de l'ensemble des valeurs de l'dtiquette as- socide ... 41~mentaire poss ~de ~galement un mode d'application permettant de limiter l'applicabi- lit4 des rAgles, cecl afin de d~finir un proces- sus transformationnel fini....

Ngày tải lên: 08/03/2014, 18:20

... stress; very long chain acyl-CoA dehydrogenase (VLCAD) de ciency Correspondence S. Tucci, Department of General Pediatrics, University Children’s Hospital, Moorenstraße 5, D-40225 Duesseldorf, Germany Fax: ... common b-oxidation defect of long-chain fatty acids, with an incidence of one in 55 000 to one in 100 000 births [1]. VLCAD de ciency (VLCADD) presents heterogeneous clinical phenotyp...

Ngày tải lên: 15/03/2014, 23:20

... Niessen PM & Rensen SS (2007) Smooth- elin in vascular smooth muscle cells. Trends Cardiovasc Med 17, 26–30. 35 Niessen P, Rensen S, van Deursen J, De Man J, De Laet A, Vaneerwinden JM, Wedel ... O (2005) Involvement of cyclic AMP-dependent and -inde- pendent mechanisms in the relaxation of rat detrusor muscle via beta-adrenoceptors. Eur J Pharmacol 518, 195–202. 22 van der Loop FT, S...

Ngày tải lên: 23/03/2014, 06:20

... The essen- tial characteristic of de nition questions is their aim for discovering as much as possible descrip- tive information about the concept being de ned (a.k.a. de niendum, pl. de nienda). ... promiment sense of the de nien- dum. But it often misses many pertinent nuggets, especially those that can be paraphrased in several ways; and/or those regarding ancillary senses of the de...

Ngày tải lên: 24/03/2014, 03:20

... pathway, which is dependent on membrane trafficking, there are also two membrane traffic-independent mannose salvage pathways [30]. The first involves the free mannose that is generated during glycoprotein ... traffic-independent salvage path- ways. Studies are underway to clearly de ne the relative contributions of these mannose salvage pathways. Experimental procedures Materials The ViraPower...

Ngày tải lên: 30/03/2014, 04:20

... snails, more evi- dence has emerged that they are phylogenetically diver- gent groups. These two groups of M-superfamily conotoxins differ with respect to signal peptide sequence, disul de linkage, ... to survive severe environmental pressures. Experimental procedures Peptide synthesis and refolding mr3e was chemically synthesized as described previously [9]. Linear peptide was oxidized by ....

Ngày tải lên: 30/03/2014, 09:20