The yield gap of global grain production-A spatial analysis

... produce grain close tothe estimated frontier yields while others show a large yield gap. These yield gaps are an indication for the potential to increase ac-tual grain yields. The maximum yield gaps ... of these studies lack a comprehen-sive analysis and discussion of the spatial variations of the yieldgap and production efficiencies within the region considere...

Ngày tải lên: 16/12/2012, 15:22

... A ˚ .We examine the variation of the direct band gap with width, as well as the nature of the band structure of the nanowires. We confirm previous observations ab out the direct or indirect nature of the ... oriented along the (1 0 0), (1 1 0) and (1 1 1) directions. We show that the nature of the band gap and the variation of the zone centre band gap...

Ngày tải lên: 16/03/2014, 15:18

... producers (USA+Japan+China), the relative importance of the forest sector for the whole economy is rather small  Forest sector plays an important role for economies of Finland, Sweden, Canada ... how they could impact the future  One pragmatic way to make assessment is the so called PESTE -analysis (see next slide)  PESTE analysis should include the detreminants of...

Ngày tải lên: 24/03/2014, 05:20

... identified these states as potentially carrying out state-level filtering. The lists used in the testing that forms the core Introduction 3 of our set of findings are the product of study of the political, ... much of each topic to filter (the depth of filtering). The results of these decisions are summarized in figure 1.1, comparing the breadth and depth of filtering...

Ngày tải lên: 25/03/2014, 11:05

... or another form of coordinated operation. Consequently, we shall not consider this element of the program in the analysis. The fourth goal of the program is to improve the income of the taxi ... characteristics of both the old taxis that are scrapped and the new vehicles introduced have not been available for the purpose of the analysis. We therefore con...

Ngày tải lên: 29/03/2014, 14:20

... Members of the subcommittees, and other Members in the order of their appearance, with seniority deter- mining the order of Members present at the fall of the gavel. Because of the size of the committee ... the committee and the importance of the issues, the time limit for our witnesses, the Chair will vigorously enforce the 5-minute rule. The Chair a...

Ngày tải lên: 29/03/2014, 18:20

... in the lower right corner. The global brand team must approve any deviations from that look. In another example, the global brand manager at Smirnoff has sign- off authority on the selection of ... credibility because of the resources and knowl- edge base that come with it. • Companies can signal the importance of the role through the title they give the manager. A...

Ngày tải lên: 24/10/2013, 08:20

Ngày tải lên: 13/02/2014, 12:20

... warming induced by the capping of SO x . Note that these climate calculations in Figure 6 omit the cooling effects of the CO 2 reductions caused by the lessening of the inhibition of the land sink ... to these caps due to the short air pollutant lifetimes and dominance of northern over southern hemispheric emissions (Figs. 4b and 4c). The northern hemisphere contrib...

Ngày tải lên: 17/02/2014, 22:20

... Here the x-axis points direction of the half- axis of the particular side of the reference axis in the DCS; and in the case of "in front of& quot; y is the perpendicular direction in the ... front of the "desk". Intuitively, the closer the "stool" is to the region of space defined by the projection of the desk's dime...

Ngày tải lên: 20/02/2014, 21:20