Báo cáo khoa học: "Tree water relations and climatic variations at the alpine timberline: seasonal changes of sap flux and xylem water potential in Larix decidua Miller, Picea abies (L ) Karst and Pinus cembra L " ppt

Báo cáo khoa học: "Tree water relations and climatic variations at the alpine timberline: seasonal changes of sap flux and xylem water potential in Larix decidua Miller, Picea abies (L.) Karst. and Pinus cembra L." ppt

... A., Water relations of adult Norway spruce (Picea abies (L. ) Karst .) under soil drought in the Vosgemountains: water potentials, stomatal con-ductance and transpiration, ... explain why the timberline occurs in different climatic regions. In continental alpine timberlines(e.g. Austrian Alps) an incomplete devel-opment of needle cuticles during ... Tranquillini W., Physiological ecology of the alpine timberline, Ecological Studies 31(197 9). [33] Tranquillini W., Havranek W.M., Influence of temperature on photosynthesis in spruceprovenances...

Báo cáo khoa học: "Leveraging Structural Relations for Fluent Compressions at Multiple Compression Rates" doc

... evaluation of the effect of syntac-tic and structural constraints at multiple levels of granularity on the robustness of sentence com-pression at varying compression rates. Our eval-uation ... maximum-entropy-inspired parser. In Proc. of NAACL. James Clarke and Mirella Lapata, 2007. Modelling Compression With Discourse Constraints. In Proc. of EMNLP-CoNLL. Koby Crammer and Y. Singer. 2003. Ultraconserva-tive ... While POS information helps the system to learn that the answering machine is a good POS sequence, we do not have information that links the correct article to the noun. Information from the...

báo cáo khoa học: " Oxymatrine induces human pancreatic cancer PANC-1 cells apoptosis via regulating expression of Bcl-2 and IAP families, and releasing of cytochrome " pptx

... Gellerich NF, Holtz J:Apoptosis-modulating interaction of the neuregulin/erbb pathway withanthracyclines in regulating bcl-xs and bcl-xl in cardiomyocytes. Journal of molecular and cellular ... cytosol, followed b y activation of caspapse-3 and finally lead to cell apopt osis. Moreover, down-regu-lation of IAP family members (Livin and Survivin) islikely to be involved in the oxymatrine-induced ... intrinsic and extrinsic pathways [19]. Figure 4 The ratio of Bax/Bcl-2 changes and Survivin/Actin and Livin/Actin changes. The ratio of Bax/Bcl-2 changes and Survivin/Actin and Livin/Actin changes...

Báo cáo khoa học: Retrocyclin RC-101 overcomes cationic mutations on the heptad repeat 2 region of HIV-1 gp41 ppt

... HOS-CD4-CCR5cells. (B) Pseudotypes that infected HOS cells very little or not at all in the absence of RC-101. (C) Pseudotypes that caused infection in amanner similar to the wild-type JR.FL molecular clone. ... RC-101, and then analyzed the HIV-1 sequence database at Los Alamos National Laboratory (NewMexico, USA) for residue variations in the heptad repeat 1 (HR 1) and HR2 segments that could plausibly ... pseudotypes (C). (D) All normally infectious mutants were inhibited similarly to the wild-type. In (A), ‘Hept.’ indicates heptamerlocation (‘a’–‘g ), as shown in Fig. 4(C). In (B)–(D), error bars...

Báo cáo khoa học: Protein oligomerization induced by oleic acid at the solid–liquid interface – equine lysozyme cytotoxic complexes potx

... accumulation of ELOA labelled with Alexa Fluor (shown in bright green) in the vicinity of live PC12 cells up to 58 min of coincubation. At 59 min, the cell wall was ruptured, allowing ELOA to ... penicillin(100 unitsÆmL )1 ) and streptomycin (100 lgÆmL )1 ). Averagecell density at plating was $ 1 · 105cellsÆcm )2 in 300 lLmedium. The cells were observed for 2–3 days afterplating.Trypan ... embryonic liver cell culturecoincubated with (A) ELOA and (B) oleicacid. Untreated cells were used as a control and their viability was set at 100% (blackbars). The viability of cells coincubated...

báo cáo khoa học: "Reaction to halothane anaesthesia among heterozygotes at the halothane locus in British Landrace pigs" doc

... compare the fit of models to the data. In this test,logLllu and logLH. are the maximum log-likelihoods under the null (Ho) or alternative(Ha) hypothesis. Therefore, ... of 0.12 in the foundation population to 0.06 in the SR line and 0.91 ini the SS line. Maximum likelihood (ML) estimates of genotype frequencies,shown in table 1, indicate ... the gene was stillsegregating in the SR line at generation 5, data from the selection lines and inter-linecrosses were pooled within generation, in order to provide...

báo cáo khoa học: "An attempt to modify allelic frequencies at the Adh locus of a Drosophila melanogaster population in a tropical environment" pot

... collecting samples at shorter time intervals. Also, the survival of the released fliescould be studied in an enclosed population. Presently available observations illustrate the ... in the natural population. Another sample was taken at the end of release. During the following weeks, new bananas were regularly added in order to settle the population ... number of flies genetically markedby a rare biochemical allele was released in a small, isolated natural population in tropical Africa. Surprisingly, only a slight, short-term...

Báo cáo khoa học: "Tree-based and Forest-based Translation" potx

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Báo cáo khoa học: "Tree canopy and herb layer transpiration in three Scots pine stands with different stand structures" potx

... species. All plots were pooledto calculate monthly averages of cover. We followed the nomenclature of Schmeil and Fitschen [21]. In three plots (0.25 m 2) per site all living ... pre-dawn water potential fell fromabove -0.5 MPa in spring to below -1.0 MPa at the end of July. In Neuglobsow trees reached the lowest needle water potentials with single ... leafarea index of these species (LAIpart ) was calculated. The LAI of the herbaceous layer is the sum of the LAIpart.2.7. Transpiration of the ground vegetationTranspiration...

Báo cáo khoa học: "Tree-ring characteristics of subalpine fir (Abies lasiocarpa (Hook.) Nutt.) in relation to elevation and climatic fluctuations" docx

... functions(lines) of the indices of the ring width (RW),latewood width (LW), percent latewood(LW %), and maximum density (MXD)chronologies for low- and high-elevation sub- alpine fir on the mean monthly ... and dry spring weather in low-elevation. Low summer temperature limited ring width in high-elevation and maximum latewood density and latewood width in low- and high-elevation, albeit the relationship ... not clearwhat will be the change in tree-ring properties of sub- alpine fir with increasing elevation, and whether the same climatic factors will affect low- and high-elevationtrees in the same...

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