The mechanisms for evolution of a grain boundary population are investigated in sequentially strain annealed superpure nickel.
Homogeneous coarsening via continuous recrystallization of the ECAP microstructure is accompanied by minor changes in the ∼63% high-angle boundary population and a sharpening of the original ECAP texture.
When u gets into limits boundary, population of heat pumps will lose their adjustment ability (one population in centralized strategy and nine populations in distributed control strategy).
This helps to restrict the width of the boundary population to few (two-three) cells and contributes to polarizing ligand-receptor signaling towards the boundary and not against it, i.e. flanking ligands signal Notch towards the boundary but not against it since down-regulation of the Notch pathway in non-boundary cells inhibits the receptors' activity in those cells.
The highest intervariant boundary populations belonged to the 63.26°/[¯¯¯¯1055¯3] and 60°/[11¯20] misorientations, with length fractions of 0.38 and 0.3, respectively.
Microstructures, and especially grain boundary populations, are characterized in a γ/γ′ nickel-base superalloy submitted to various thermomechanical treatments involving hot deformation and subsequent supersolvus annealing.
Wars and their aftermaths frequently transform land use and ownership, reshaping 'post-conflict' landscapes through new boundaries, population movements, land reforms and conditions of access.
Important questions include what defines the size of a population (i.e., ''patch'') in a given body site, what defines the boundaries of distinct patches within a single body site, what are the factors that explain boundaries, population composition, and patterns across populations, and where and over what spatial scales within a body site are gradients detected.
The results showed that a dominant effect of deformed temperature is Σ3n (n = 0, 1, 2, 3) boundaries population increased with decreasing temperature, while they first increased and then reduced with increasing strain and strain rate.
There are several urban and rural classification criteria such as administrative boundaries, population size, population density, the percentage of the labor force in non-agricultural activities.
Contains complete Census 2000 redistricting (PL 94-171 redistricting), along with 1990 redistricting data, along with 2000 map boundaries, population and racial data, from the US Census Bureau at 19 levels of geography above the block level: tract, municipalities, legislative districts, etc.
