Báo cáo khoa học: " Variation of moisture induced movements in Norway spruce (Picea abies)" pps

... speci- mens from tree f62. a) b) Original article Variation of moisture induced movements in Norway spruce (Picea abies) Charlotte Bengtsson* Chalmers University of Technology, Steel and Timber Structures, ... single best parameter, measured in this study, to predict swelling coefficients in all three directions. The variation in eigenfrequency explained 52% of...

Ngày tải lên: 08/08/2014, 14:21

... showing nutrient deficiencies may stimulate the absorbing capaci- ty of the tree root system by enlarging fine root standing crop and thereby improving uptake of mineral ... imbalance in uptake, an improvement of fertility and alkalinity (by lime) may increase fine root growth [9]. In the ten oak stands included in this work, liming gener...

Ngày tải lên: 08/08/2014, 14:21

... with increasing age of growth rings, an increase in the lumen diameter and in the number of vessels per unit area was observed (table III). However, an increase in the ... Control. Springer Series in Wood Science, Springer-Verlag, Berlin, 94 Original article Variation of vessel lumen diameter in radial direction as an indication of the...

Ngày tải lên: 08/08/2014, 19:21

... respon- sive hurst ecotype of Norway spruce. Contents of free polyamines (putrescine, spermi- dine, and spermine) were determined in different developmental stages of Norway spruce somatic embryos. MATERIALS ... level of spermidine (M et al. 1999). A high level of putrescine was determined in the pro-embryogenic tissue of Picea rubens, while spermidine was pr...

Ngày tải lên: 07/08/2014, 10:21

... fosfomycin binding due to charge–charge repulsions. Most interestingly, the uncharged valine side chain completely abolishes fosfomycin binding in the absence of UDPNAG. Clearly, UDPNAG binding creates additional ... not interact with R124 in the ternary complex [20]. Hence, the mechanism of binding of fosfomycin by reinforcement of an initial binding site (mainly K22 and R397) th...

Ngày tải lên: 19/02/2014, 13:20

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Ngày tải lên: 07/08/2014, 18:21

... collected mainly in only one area (Ovar, in the north of Portugal). This narrow genetic base and the danger of severe inbreeding became a concern when afforestation increased to provide in the growing ... HPLC. Kraft pulping was performed in 100 ml rotating stainless steel reaction vessels, immersed in a temperature controlled oil bath. Each charge consisted of 10 g of oven-...

Ngày tải lên: 08/08/2014, 14:20

... heritabilities of diameter and volume are high too, but these production parameters are also sen- sitive to thinning strength. ECOTYPES AND CLINAL VARIATION OF OAK IN THE REMAINING ... importance of oak for production of high quality wood and as a stabilizing and esthetic element of forests and landscapes has in recent years increased in...

Ngày tải lên: 08/08/2014, 19:21

... of the Effect of Radiation on Erlotinib -Induced Skin Rash. J Clin Oncol 2007, 25(15):2140. 19. Gerber PA, Enderlein E, Homey B, et al.: Radiation -induced prevention of erlotinib -induced skin ... EGFR - by directly blocking the extracellular EGFR receptor domain with monoclonal antibodies or by inhibiting the intra-cytoplasmic ATP binding site with tyrosine kinase inhibitors (TKI...

Ngày tải lên: 09/08/2014, 08:23

... staining and e) Rose bengal staining of the con- junctiva. A single examiner performed all of the tests and interviews during the examination in the department of ophthalmol- ogy. In all tests of ... compromising the general well-being of the patient. Amifostine is a unique drug selectively protecting non- affected tissues from CT-RT induced toxicity. Its efficacy in prevent...

Ngày tải lên: 09/08/2014, 09:22