نتایج جستجو برای: waterlimited yield
تعداد نتایج: 194159 فیلتر نتایج به سال:
Traditional farming practices suggest that cultivation of a mixture of crop species in the same field through temporal and spatial management may be advantageous in boosting yields and preventing disease, but evidence from large-scale field testing is limited. Increasing crop diversity through intercropping addresses the problem of increasing land utilization and crop productivity. In collabora...
• Why do we need to estimate the entire distribution? The distribution of an economic entity is of fundamental importance to decision makers, especially if they are risk averse and the underlying distribution is not Gaussian, a situation that calls for consideration of factors beyond the usual mean variance analysis. In particular the tail distribution plays a particularly crucial role in risk ...
Many ways to outsource test activities has been explored, especially in these last troubled years. Often subcontractors have been employed to design portion of devices or entire circuits. Often we also discovered that transferring DFT and test methodologies outside the originating company is critical indeed. The efficiency of test development, and also the quality of product test can be affecte...
OBJECTIVE To report our experiences of surgical diagnostic procedures in patients with unidentified mediastinal pathology. METHODS From July 1995 to July 1999, 72 patients with mediastinal pathology had 73 surgical procedures for the purpose of tissue diagnosis. Of the 72 patients, 39 were female and 33 male, with an average age of 54 years. Mediastinoscopy and anterior mediastinotomy were pe...
Consider the following heuristic for planar Euclidean instances of the traveling salesman problem (TSP): select a subset of the edges which induces a planar graph, and solve either the TSP or its graphical relaxation on that graph. In this paper, we give several motivations for considering this heuristic, along with extensive computational results. It turns out that the Delaunay and greedy tria...
A method has been developed in the present study for the determination of the sediment yield from a catchment using a GIS. The method involves spatial disaggregation of the catchment into cells having uniform soil erosion characteristics. The surface erosion from each of the discretized cells is routed to the catchment outlet using the concept of sediment delivery ratio, which is defined as a f...
Shear bands form in most bulk metallic glasses (BMGs) within a narrow range of uniaxial strain ey @ 2%. We propose this critical condition corresponds to embryonic shear band (ESB) propagation, not its nucleation. To propagate an ESB, the far-field shear stress s1 Eey/2 must exceed the quasi-steady-state glue traction sglue of shear-alienated glass until the glass transition temperature is appr...
The different regimes of flow when separating two solid rough surfaces in contact via a layer of a simple yield stress fluid are identified. Generic scalings for the adhesion energy and for the geometrical characteristics of the final deposits (after separation) as a function of the initial aspect ratio of the sample are found. We show that there is a strong pinning effect which might be at the...
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