Báo cáo khoa học: "Stem basic density and bark proportion of 45 woody species in young savanna coppice forests in Burkina Faso" pdf

... High bark basic density, bark thickness and Original article Stem basic density and bark proportion of 45 woody species in young savanna coppice forests in Burkina Faso Robert Nygård * and Björn ... fuel-wood production in natural savanna forests. The aim of this paper was to determine stem wood basic density and bark proportion for...

Ngày tải lên: 08/08/2014, 14:21

... area in Scots pine (Pinus syl- vestris), Can. J. For. Res. 25 (1995) 970–977. [34] Mäkinen H., Effect of stand density on radial growth of branches of Scots pine in southern and central Finland, ... situation regarding the model- ling of the form and internal structure of trunks, by proposing a series of allometric models which are com- patible in terms of stem, ring...

Ngày tải lên: 08/08/2014, 14:20

... of radial growth and the beginning of branch shrinkage also coincided with the beginning of branching in a recently initiated tier (fig 9). Thus radial growth of branches lasted ... of branching in the recently initiated tier. The developing tier exhibited more and more branch buds, each of them expanding into a rosette of leaves and...

Ngày tải lên: 08/08/2014, 23:22

... 164° and )169° in the A-chain and B- chain of nPS, respectively. The v 1 torsion angle for Asp35 changes from ) 75.20° to )171.65° and )89.25° in the A-chain and B-chain of nPS, and in the case of His37, ... panto- ate-binding and ATP-binding sites of PS [11]. ATP caused additional changes in the spectrum, particularly for those residues that lie in the ATP-bindi...

Ngày tải lên: 16/02/2014, 09:20

... conforma- tion of His78 is virtually identical in the single and double mutants involving this residue (Fig. 5B,D). In both cases, the side chain is removed from the vicinity of Ser278 and Asp82 and the ... 7.0 and 4 °C for 6 h, followed by SDS ⁄ PAGE. The rate of ligation was estimated from percentage intensity of the band of the 57-kDa protein in a total of intensi...

Ngày tải lên: 19/02/2014, 07:20

... field for the investigation of the ele- ments involved in splicing regulation and the integra- tion of all these approaches will give us the best chance of finally understanding the splicing mechanism itself. An ... to demonstrate purifying selection at silent sites in the gene of interest and to demonstrate that such constraint is necessary to main- tain correct splicing of t...

Ngày tải lên: 06/03/2014, 09:22

... fragments and nonantibody small scaffold proteins from X-ray and NMR analyses enables the design of and screening for small binding proteins. The preparation of the small binding proteins with binding ... protein–protein interactions and selecting specific binders to novel target proteins, and the first and second minireviews focus on the detection of protein–protein interacti...

Ngày tải lên: 06/03/2014, 11:20

... thermal crack index is over 1.0 and a curing time of mass-section foundation decreases within 18 days through minimizing binders in concrete and adjusting hydration heat and delay setting time between ... concrete. The method of curing concrete is demonstrated in 3.3 and shown in Figure 6. Figure 6. Shape and curing plan of mat foundation 4.3 Thermal stress and...

Ngày tải lên: 07/03/2014, 03:20

... spectrum that includes not only t he amino acids glycine, alanine, serine and proline but also osmolytes such as sarcosine and betaine, and the D -enantiomers of serine and alanine. The apparent ... substrate w ithin the substrate binding site of PAT2, and this may simultaneously avoid the interference of the polar side ch ain w ith c orresponding amino acid residues in the...

Ngày tải lên: 07/03/2014, 16:20

... with 1 l M of HNE reporter peptide in coating buffer. After washing and blocking, 50 lL of 400 pM BH216 in dilution buffer, preincubated with twofold dilutions of the inhibiting peptide of interest, ... so that binding to the individual Fig. 1. Binding competition of mAb BH216 (20 n M ) to immobilized HNE reporter peptide in the presence of increasing concentrations of ox...

Ngày tải lên: 08/03/2014, 08:20