báo cáo khoa học: "Croissance, indice de consommation composition corporelle de poulets des races Fayoumi, Rhode-Island et de leur croisement selon deux taux protéiques de la ratio" ppsx
Báo cáo khoa học: "Croissance des taillis de châtaignier en France : utilisation des données de l’Inventaire forestier national" potx
... de la croissance des rejets de souches, et des divers modes de fonc- tionnements de cette essence selon le régime sylvicole. Cet article fait suite à une première étude (Bédéneau, ... taillis pur. L’âge de la placette a été déterminé comme la moyenne des âges des arbres sondés, plus ou moins 5 ans. Cette contrainte est imposée par...
Ngày tải lên: 08/08/2014, 19:21
Báo cáo khoa học: "Croissance et assimilation nette foliaire de jeunes plants de dix arbres de la forêt guyanaise, cultivés à cinq niveaux d’éclairement" pdf
... colonisatrices des trouées) et tolérants (tardifs de la succes- sion) en fonction de la capacité des plants dans les jeunes stades à supporter l’ombrage [1, 30, 40] et de la place ... travers la voûte forestière [7] conditionnant à la fois l’assimilation carbonée, la demande évaporative et la survie des plantules. La survie d’une...
Ngày tải lên: 08/08/2014, 23:22
Báo cáo khoa học: "Croissance de la pousse annuelle au cours des deux premières années du développement des rejets de châtaignier (Castanea sativa Mill). Mise en évidence d’un rythme endogène, influence du facteur thermique" pps
... durée de la période de croissance de la pousse montre de fortes varia- tions individuelles. La variabilité de la durée de période de croissance des rejets de souche a été ... courtes (34 et 37 cm) s’allongent respectivement de 71 et 79 cm au cours de la seconde. Le plastochrone apparent Description des courbes Les pousses de...
Ngày tải lên: 09/08/2014, 03:24
Báo cáo khoa học: " Croissance de l’épicéa, du mélèze, du pin cembro et du pin à crochets en limite supérieure de la forêt dans quatre régions des Alpes françaises" ppsx
... du pin cembro et du pin à crochets en limite supérieure de la forêt dans quatre régions des Alpes françaises V Petitcolas’ C Rolland, R Michalet Laboratoire des écosystèmes ... moyen de cette méthode. L’homogénéité des courbes de croissance du pin à crochets d’une part et du mélèze d’autre part permet, pour chacune de ces deux essence...
Ngày tải lên: 09/08/2014, 04:20
Báo cáo khoa học: In vivo studies of altered expression patterns of p53 and proliferative control genes in chronic vitamin A deficiency and hypervitaminosis pot
... embryonic fibroblasts [27]. Fibroblasts lacking c-Jun exhibit a severe proliferation defect, because these cells accumulate the tumor suppressor, p53 and its downstream target, the cyclin-dependent kinase ... differentiation. Using mice de cient in retinaldehyde dehydrogenase-2 it has been shown that retinoic acid synthesized by the postimplanta- tion mammalian embryo is an essential developm...
Ngày tải lên: 08/03/2014, 08:20
Báo cáo khoa học: Ảnh hưởng của khẩu phần protein thấp được bổ sung d,l-metionin và l-lyzin.hcl đến sức sản xuất của đàn gà đẻ isa brown thương phẩm giai đoạn từ 23 đến 40 tuần tuổi docx
... SUMMARY An experiment was undertaken to determine effects of low-protein diets with supplementation of D, L-methionine and L- lysine on performance of ISA Brown laying hens during the period ... Nutrition, Czech Academy of Sciences. Results showed that compared to the control the low-protein diets supplemented with D, L-methionine and L-lysine had the same effects on the laying rate, eg...
Ngày tải lên: 27/06/2014, 11:20
Báo cáo khoa học: "Organic matter distribution and nutrient fluxes within a sweet chestnut (Castanea sativa Mill.) stand of the Sierra de Gata, Spain" pps
... A., Gallardo J.F., Santa Regina I., Dinámica de la descomposición de hojas de rebollo en cuatro ecosistemas forestales de la Sierra de Gata (provincia de Salamanca, España): Indices de descomposición, ... production et des récoltes sur la fertilité, des sols de forêt. Les effects de la sylviculture, Rev. For. Fr. 38 (1986) 105–123. [51] Rapp M., Cycle de la...
Ngày tải lên: 08/08/2014, 14:22
Tài liệu Báo cáo khoa học: Interaction between very-KIND Ras guanine exchange factor and microtubule-associated protein 2, and its role in dendrite growth – structure and function of the second kinase noncatalytic C-lobe domain docx
... 1238–1364 1461–1734 1742 α -FlagEGFP + α -Flag Δ KIND2-Flag v-KIND-Flag dendrite axon Δ KIND1-Flag Δ KIND1+2-Flag KIND1-Flag Δ RasN-Flag α -FlagEGFP + α -Flag KIND2-Flag Δ GEF-Flag A B Fig. 1. Domain ... v-KIND, full-length v-KIND; DKIND1, deletion of KIND1; DKIND2, deletion of KIND2; DKIND1 + 2, deletion of both KIND1 and KIND2; DRasN, deletion of RasN; DGEF, deletion of RasGEF; KIND1, KIN...
Ngày tải lên: 14/02/2014, 19:20
Tài liệu Báo cáo khoa học: The ubiquitin ligase Itch mediates the antiapoptotic activity of epidermal growth factor by promoting the ubiquitylation and degradation of the truncated C-terminal portion of Bid ppt
... of epidermal growth factor by promoting the ubiquitylation and degradation of the truncated C-terminal portion of Bid Bilal A. Azakir, Guillaume Desrochers and Annie Angers De ´ partement de sciences ... to detect ubiquityla- tion. Bands corresponding to mono- and poly-ubiqui- tylated tBid–GFP were only detected in cells expressing FLAG–Itch (Fig. 1E, lanes 1, 2). Treating the cells with...
Ngày tải lên: 16/02/2014, 09:20
Tài liệu Báo cáo khoa học: Expression and secretion of interleukin-1b, tumour necrosis factor-a and interleukin-10 by hypoxia- and serum-deprivation-stimulated mesenchymal stem cells Implications for their paracrine roles ppt
... secreted by MSCs. Results MSCs-CM inhibits cardiac fibroblast proliferation and collagen synthesis The effects of MSCs-CM on cardiac fibroblast prolifer- ation and collagen synthesis were detected ... was detectable in MSCs-CM using enzyme- linked immunosorbent assay (ELISA) analysis. To determine the reason for this lack of IL-1b and TNF-a secretion by MSCs, changes in these factors’ transla-...
Ngày tải lên: 18/02/2014, 04:20