transition region

transition region

(tran-zish -ŏn) See Sun. See also chromosphere.

transition region

[tran′zish·ən ‚rē·jən]
(astronomy)
A layer of the solar atmosphere only a few hundred miles thick between the chromosphere and the corona across which the temperature rises rapidly from a few times 104K to the order of 106K.
(solid-state physics)
The region between two homogeneous semiconductors in which the impurity concentration changes.
References in periodicals archive ?
Numerous models have been developed to simulate large deformation behavior of polymers in the glassy through the glass transition region.
60 cm;900 mA waterproof concrete exterior wall with perimeter insulation in the basement;approximately 4905 mA reinforced concrete wall construction EC to 8 OG;2,200 mA inside walls of reinforced concrete or masonry;approximately 8600 mA reinforced concrete flat slabs D = 30 cm;900 t reinforced concrete construction steel, mainly steel bars;50 t structural steel for the substitution in the transition region to new alto.
We' re close enough now that we' re just starting to see Pluto' s geology," said New Horizons program scientist Curt Niebur, "It' s a unique transition region with a lot of dynamic processes interacting, which makes it of particular scientific interest.
A proprietary switching scheme maximizes efficiency in the buck-boost transition region and uses a single inductor to further reduce board space.
The Bank's economists also issue a stark warning, "Permanently higher military spending in the transition region over the medium term, in response to the renewed geopolitical risks, could erode the peace dividend from the dissolution of the Soviet Union.
12 ft) represents the transition region where disturbances begin to receded and airflow stream lines begin to stabilize and fill the entire duct cross-sectional area.
The EBRDas economists see growth in the transition region of a modest 2.
The 97 papers here explore such areas as the solar interior and dynamo, the transition region and corona, flares and magnetic helicity, the three-dimensional structure of the outer atmosphere, solar wind and the interplanetary space, and possible anomaly in the current solar cycle.
Regardless of any variable -- fitness level, height, weight, leg length, the amount of time they were given for the trip, whether they were indoors or out -- all the students employed a mixture of walking and running when they were moving at speeds within the transition region.
In other words, the existence of solid particles induces the transition region move to the higher flow velocity region, which could be considered as re-laminarization phenomenon.
Other satellites include SOHO, the Solar and Heliospheric Observatory, which has been operating for 15 years, observing the chromosphere (a thin outer layer of the Sun's atmosphere) the corona and the transition region between the two.

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