单词	fluidize
释义	fluidize /ˈfluːɪdʌɪz / (also fluidise) verb [with object] technical Give (a finely divided solid) the characteristics of a fluid by passing a gas upwards through it: the massive kimberlite was fluidized and carried upwards at low temperatures... Fluidization experiments show that as flow velocities increase small grains can be carried through fluidizing beds containing a mixture of coarse and fine grains. They occur when a layer of unconsolidated sediment is fluidized and transport of fluid and suspended grains takes place through overlying sediment to the sediment-water interface. In most basins sands that can be fluidized are interbedded with ‘leaky’ shales of high permeability (for shales) that do not sustain high overpressure during normal compaction. Derivatives fluidization /fluːɪdʌɪˈzeɪʃ(ə)n / noun ... Deformation bands and early calcite cement develop upon wall-rock contraction after fluidization ceased and fluid pressures dropped. The formation of pockmarks within muddy sediments is suggested to be caused by the interaction between sediment fluidization and bottom currents. After fluidization ceased and the fluid pressure dropped, walls contracted, resulting in increased grain contact stresses, and bands parallel to the margins developed.
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