Báo cáo khoa học: " Méthode de comparaison d’images satellitaires pour la détection des changements en milieu forestier Application aux monts de Lacaune" ppsx

Báo cáo khoa học: " Méthode de comparaison d’images satellitaires pour la détection des changements en milieu forestier. Application aux monts de Lacaune" ppsx

... de ces images pour l’enrichissementet la mise à jour des cartes de peuplements de l’IFN.L’enrichissement de l’informationcontenue sur la carte des types de peu-plements ... changements L’évaluation de la méthode pour la détection des changements s’est faite dans 2 «sens» :- d’une part, en allant des images vers le terrain pour vérifier si les endroits détectés ... détection des changements en milieu forestier. Application aux monts de Lacaune (Tarn, France)S DurrieuM Deshayes1 Inventaire forestier national, BP 1, 34970 Maurin;2 Laboratoire...

Báo cáo khoa học: " Biomasse et minéralomasse d’une plantation d’épicéa commun (Picea abies Karst) de forte production dans les Vosges (France)" pot

... la pousse de l’année en moyenne des classes définies arbitraire-ment. La comparaison des moyennes des classes n’est pas significative. La valeur de 0,4 peut être retenue ... sa compilation des données du PBI, obtient des valeursmoyennes de 39 kg de N, 5 kg de P, 25 kg de K, 35 kg de Ca et 6 kg de Mg pour lespeuplements de conifères. ... les différentsécosystèmes mondiaux (Cole et Rapp,1981). Malgré cela, la grande diversité des situations, des climats, des sols, des es-pèces et des traitements sylvicoles,...

Báo cáo khoa học: "Méthode pour caractériser l’irrégularité de la forme des tiges en section transversale et son évolution au cours du temps" pot

... (≥16).CONCLUSION La méthode proposée tente de rendrecompte de la déformation de la section des tiges et de son évolution au cours dutemps.Elle prend en compte l’excentricité des tiges ... les travaux servent de base à la présente étude.Principes de la méthode proposée par Marutani et alSoit une rondelle prélevée perpendiculaire-ment à l’axe de la tige ... &jadnr;T et de GT ont pour valeur :...

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

... solution.Following differential display PCR, radiolabeled cDNAfragments were electrophoretically separated on 4.5%polyacrylamide gels under denaturing conditions in aGenomix LR DNA sequencer (Genomix, Beckman). ... at 22 °CCorrespondence to J. R. Vinã, Departamento de Bioquı´mica yBiologıá Molecular, Facultad de Medicina, Universidad de Valencia, Avenue. Blasco Iban˜ez 17, Valencia-46010, Spain.E-mail: ... andvitamin A -de cient rats with p53 cDNA fragment confirmed its dif-ferential expression. Panel B, another differentially displayed fragmentwas detected, isolated and identified as a 0.9-kb fragment of...

Báo cáo khoa học: Activation of cathepsin D by glycosaminoglycans docx

... means ± SEM,n = 3. Control, no GAG; deS, desulfated MH; de2 ⁄ 3S, de- 2 ⁄ 3O-sulfated MH; de2 ⁄ 3S ⁄deNS, de- 2 ⁄ 3O- ⁄ de- N-sulfated re-N-acetylated MH; de6 S, de- 6O-sulfated MH;CR, carboxyl reduced ... stim-ulatory effect. In addition, the stimulation was dependent on the length ofthe GAG chain, as larger GAGs were more potent in their ability to stimu-late proCD than shorter fragments. In ... the presenceof glycosaminoglycans. FEBS Lett 579, 1285–1290.28 Laurent-Matha V, Derocq D, Prebois C, Katunuma N& Liaudet-Coopman E (2006) Processing of humancathepsin D is independent of...

Báo cáo khoa học: Inhibition of the D-alanine:D-alanyl carrier protein ligase from Bacillus subtilis increases the bacterium’s susceptibility to antibiotics that target the cell wall potx

... membrane.Reductions in the d-alanyl content of the cell wallinﬂuences directly the autolysis mechanism [2,10,11]and renders bacteria sensitive to so-called host defensepeptides as well as other intrinsic ... residues guided by the nonribo-somal code of NRPS A-domains [19,33]. Both studiesled independently to the determination of d-Alaselectivity for DltA, further substantiating thenonribosomal code. ... functional analogy inspired us todesign an inhibitor, which should efﬁciently blockthe aminoacyl adenylation step catalyzed by DltA. Thedesign of the inhibitor was encouraged by the knowninhibitors...

Báo cáo khoa học: Redox-sensitive loops D and E regulate NADP(H) binding in domain III and domain I–domain III interactions in proton-translocating Escherichia coli transhydrogenase potx

... doi:10.1046/j.1432-1033.2002.03144.xsurrounded by helices and irregular loops. All dIIIstructures were solved using dIII with NADP+bound ina nonclassical binding mode of the substrate, i.e. ascompared to other NADP(H)-dependent enzymes,NADP+in ... colitranshydrogenaseCarina Johansson1, Anders Pedersen1,B.Go¨ ran Karlsson2and Jan Rydstro¨m11Department of Biochemistry, Go¨teborg University, Sweden;2Department of Molecular Biotechnology, Chalmers University ... sequence of ecIII and secondary structure ele-ments based on NMR data. Secondary elements were based on resultsfrom NMR experiments [10]. Black shaded residues are conserved, andgreen-shaded...

Báo cáo khoa học: "Kỹ thuật tìm đ-ờng đi ngắn nhất trên bản đồ" pdf

... tắt: Bi báo nói về kỹ thuật tìm đờng đi có độ di ngắn nhất của hai điểm bất kỳ trên bản đồ v đề xuất một số ứng dụng kỹ thuật ny trong thực tế. Summary: In this paper we consider the details ... mối liên kết với các segment thiết lập nên cạnh đó. Khi đÃ xác định các đỉnh chứa đờng đi ngắn nhất tức là xác định đợc các segment gọi lại thủ tục vẽ các véc tơ của segment đó tức là đÃ vẽ đồ ... trong lý thuyết bản đồ số. ở đây nêu lại khái niệm segment có liên quan tới bài toán. - Một đoạn đờng độc lập (không rẽ nhánh) đợc gọi segment (tạm dịch phân đoạn) tơng đơng với đờng đi độ dài...

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

... 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 matière organique et des élé-ments minéraux dans quelques ... sur la fertilité, des sols de forêt. Le cycle biologique en forêt, Rev. For. Fr. 36 (1984)93–112.[50] Ranger J., Bonneau M., Effects prévisibles de l’intensi-fication de la production et des ... the attendantuptake and nutrient management have been widely stud-ied over the last few decades [10, 16, 17, 22, 30, 44].The role of nutrients in forest ecology and productivi-ty has recently...

Báo cáo khoa học: "Factorizing Complex Models: A Case Study in Mention Detection" pdf

... setof identified properties has also been extended toinclude the mention type of a reference (whether itis named, nominal or pronominal), its subtype (amore specific type dependent on the main entitytype), ... of mention detection, the subtype task isdependent on the entity type; one could not have aperson with the subtype non-profit. On the otherhand, the mention type is relatively independent ofthe ... assignment (besides identifying the syn-tactic parse, also label the constituent nodes withtheir functional category, as de ned in the PennTreebank (Marcus et al., 1993)), and, to a lesserextent,...

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