transition zone


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transition zone

[tran′zish·ən ‚zōn]
(fluid mechanics)
Those conditions of fluid flow in which the nature of the flow is changing from laminar to turbulent.
(geology)
A region within the upper mantle bordering the lower mantle, at a depth of 246-600 miles (410-1000 kilometers), characterized by a rapid increase in density of about 20% and an increase in seismic wave velocities.
A region within the outer core, transitional to the inner core.
References in periodicals archive ?
According to the features of [alpha]-NADH-diaphorase staining, the negative-stained zone represented the coagulation zone without any viable cells, the dark blue-stained zone represented the normal liver without any dead cells, and the light blue-stained zone represented the transition zone, indicating that the cells were damaged, and partial enzyme viability was preserved (15).
Lake Chad, which sits at the centre of this transition zone, serves as a bellwether for changing conditions in the Sahel.
Examining the diamond led researchers to believe that the diamond was formed in the transition zone, which implies that liquid water can be found in that layer of the Earth.
But for both oil-water and gas-water systems, Thompson did not consider the influence of transition zone [13].
But it also provides some heat transfer, and by effectively shortening the feed section you are not adequately preparing the granules for the transition zone. You may get by if you're molding amorphous resins, as they melt like butter.
Upon palpation of the transition zone, an area of rigid bowel contents was felt within the bowel loops suggestive of a bezoar (see Figure 2).
Scardino, "Sonographic measurements of transition zone of prostate in men with and without benign prostatc hyperplasia," Urology, vol.
The pathognomonic finding of Hirschsprung disease on contrast enema is a transition zone between the normal and aganglionic bowel, although approximately 10% of neonates with Hirschsprung disease may not have a demonstrable radiologic transition zone.
In the feed zone, solid plastic pellets are conveyed from the hopper to the transition zone where they are compressed by a change in screw geometry.
The cured material almost falls into the transition zone between an elastomer and a thermoset.
The run-of-mine stockpile was built 137,000 mt of ore at an average grade of 2.41g/mt, and mining had reached the harder rock in the transition zone of one of the pits.

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