Báo cáo khoa học: "Water relations of adult Norway spruce (Picea abies (L) Karst) under soil drought in the Vosges mountains: water potential, stomatal conductance and transpiration" ppsx

... area of the stand, as stated in equation [5]. Original article Water relations of adult Norway spruce (Picea abies (L) Karst) under soil drought in the Vosges mountains: water ... — The effects of soil water depletion on sap flow, twig water potential, stomatal and canopy conductance were analysed in 2...

Ngày tải lên: 08/08/2014, 19:21

... 146-153 Original article Water relations of adult Norway spruce (Picea abies (L) Karst) under soil drought in the Vosges mountains: whole-tree hydraulic conductance, xylem embolism and ... noted at the beginning of the the sap flux through the plant, the soil water status and the total hydraulic conductance from the...

Ngày tải lên: 08/08/2014, 18:21

... parts of the stands) than in the Krušné hory Mts. (with underplanting realized inside the stands) was also a reason for the relative failure of underplanting in the existing spruce stands in the ... 11 Age (cm) Underplanting of present stands spruce Reconstruction of stands Underplanting birch Inspection Bohemian - Moravian upland Lineární (Underplanting of p...

Ngày tải lên: 07/08/2014, 03:22

... after the drought, the dominated roofed trees on D3 developed better in the following years than the trees of the other two roofs. The radial growth of the dominated trees was not affected by the ... sheeting and covers a ground area of 300 m 2 . The total precipitation falling on the roofs in the stand was directed by pipes to collecting tanks in the Gr...

Ngày tải lên: 08/08/2014, 14:20

... from the thiazolium ring of the cofactor to the surface of the protein. The entrance of the active site cleft is covered by the C-terminal helix and this part of the polypeptide chain must move in order ... during catalysis, and these structural features explain the lack of substrateactivationinZmPDC.InIPDC,theassemblyof the subunits in the tetramer res...

Ngày tải lên: 20/02/2014, 11:20

... of PKA in the mitochondrial targeting of CYP2E1 The role of PKA in mitochondrial targeting of CYP2E1 was investigated using two approaches. The first approach involved measuring the level of mito- chondrial ... resulting in the exposure of cryptic mitochondrial targeting signal, as in the case of CYP1A1 [4]; and (b) PKA- or protein kinase C-mediated phosphor...

Ngày tải lên: 18/02/2014, 16:20

... conformational transition upon binding to BchH may bring the integrin I domain of BchD into contact with the integrin-binding motif of BchH, simultaneously triggering porphyrin metallation. This would ... a release of the blockade of the ATP-binding site of BchI by the integrin I domain, triggering ATP hydrolysis [10]. It is still an open question which subunit provides t...

Ngày tải lên: 19/02/2014, 12:20

... Effect of echinomycin on HIF-1a protein level. HepG2 and HeLa cells were incubated for 5 or 16 h under hypoxia or normoxia in the presence or absence of increasing concentrations of echinomycin. ... echinomycin was added to the nuclear extracts before the assay, and of HIF-1, c-myc and AP-1 transcriptional activity (reporter system) in the presence of 10 n M echi...

Ngày tải lên: 16/03/2014, 05:20

... entrapment in this matrix. Because of the high demands of this method in terms of materials and time, and the inapplicability of simple optical assays for the determination of activity in opaque ... replacement of a lysine residue in position 35 confirms the findings of Cavins and Friedman [12] and Bordini et al. [16], who reported an interaction of acryl...

Ngày tải lên: 16/03/2014, 13:20

... re- sults. In this work, we have studied the effect of using a morphological analyzer to improve the performance of the tagger. We find that the use of morphology helps improve the accuracy of the ... Adverb and Interjection). 2.1.2 Features of the ME Model Experiments were carried out to find out the most suitable binary valued features for the POS tag...

Ngày tải lên: 31/03/2014, 01:20