Báo cáo khoa học: "Nutrient cycling in deciduous forest ecosystems of the Sierra de Gata mountains: nutrient supplies to the soil through both litter and throughfall" ppt

... 36], taking into account the acidity of the soils of the Sierra de Gata mountains. The monthly variations in the potential return of elements to the soil through litter (table ... year -1), but they are Original article Nutrient cycling in deciduous forest ecosystems of the Sierra de Gata mountains: aboveground litter...

Ngày tải lên: 08/08/2014, 14:21

... bioelement supplies to the soil by the litter of these species and by throughfall with a view to defining their role in the soil and, more gen- erally, in ecosystem bioelement ... J.F., Martin A., Santa Regina I., Nutri- ent cycling in deciduous forest ecosystems of the Sierra de Gata mountains: aboveground litter produ...

Ngày tải lên: 08/08/2014, 14:21

... amount of protein. An understanding of why dual targeting occurs will require the evolution- arily history of dual targeting to be determined in more detail in terms of when it arose and whether ... mitochondria and chloroplasts. The structures of binding of targeting peptides to mammalian and plant Tom20s not only revealed the molecular details of binding [5...

Ngày tải lên: 07/03/2014, 03:20

... with the earlier shifts at 1977 and 1979, SMS messaging coincide with both the earlier and later shifts at 1979 and 1982, and the social networking sites, MySpace and Facebook coincide with the ... MySpace. In the future we plan on using age and other metadata to improve results in larger tasks such as identifying opinion, persuasion and power by targeting our...

Ngày tải lên: 07/03/2014, 22:20

... result of decreased caspase-8 (and probably caspase-9) activity, and the elevated protein (and also mRNA) levels of the inhibitors survivin and IAP2. As a result, the slow diminution of the protein level ... by 24 h in E2A )/) , i.e. the rate of decrease in the amount of ICAD in the mutant was slower than that in DT40. Thus, in E2A )/) , in the pre...

Ngày tải lên: 16/03/2014, 04:20

... g jk is the number of geodesics linking node j and k, g jk (n i ) is the number of geodesics linking the two nodes that contain node i. Betweenness centrality is widely used because of its ... with the actors denoted by the nodes and the relations by the edges or links. To determine which actors are prominent, a measure called centrality is intro- duced. In...

Ngày tải lên: 23/03/2014, 19:20

... 3-dea- zaThDP and oxalyl CoA was solved and this revealed both the CoA binding site and the ordering of the C-terminus of the protein to form a lid over the CoA chain (PDB entry 2JI6) [34]. In the case of ... the enzymes involved in thiamin biosynthesis, transport and the salvaging of precursors to the thiazole and pyrimidine moieties of ThDP. D...

Ngày tải lên: 29/03/2014, 23:20

... of microfibrils generated posi- tively in their axial direction and the com- pressive stress that is generated by the deposition of lignin into the gaps of the microfibrils ... of the other layers and the lumen, and converted it into digital images of 512 x 512 pixels, and the cross-sec- tional area of the gelatinous layers w...

Ngày tải lên: 08/08/2014, 19:21

... decrease in gross pho- tosynthesis of about 20 % for the summer period of 1994 indicates that the magni- tude of production loss in the region is considerable. In the ... conditions in the middle of the day, whereas similarity decreases at the onset and the end of the day, when the effect of tree capacitance increases and...

Ngày tải lên: 09/08/2014, 04:20

... evaluation of staining, manuscript. IN was involved in the evaluation of staining, results. MS, RH, CV were involved in clinical data and details, discussion. IH, BP were involved in sta- tistical ... sections were examined. In large tumors, espe- cially areas of the lateral and deep tumor borders (front of invasion) were investigated. The histomorphological diagno...

Ngày tải lên: 09/08/2014, 04:21