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 ?
The MBIL thus aims to support sustainable regional growth in Lower Saxony, part of which is an EU transition region.
The glass transition region shifted to lower temperatures when xanthan gum was added.
Heat transfer at the location was different from that in initial heating period but the same with the form of heat transfer in transition region. It was seemingly the heat transfer form of subcooled boiling.
The stratosphere is the transition region which interacts with the climate systems in the lower atmosphere and the richly ionized upper atmosphere.
Movement elements at other side of transition region, as shown in figure (12).
Its contribution to the transition process has, however, varied across the post-communist transition region.
"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."
PRECIPITATION-TYPE TRANSITION REGIONS. The region between snow on one side and rain on the other spans distances from a few kilometers to a few hundred kilometers and is referred to by several names including precipitation-type transition region (used here), transition region, rain-snow boundary, and transition zone.
2 to lie in a transition region. The pressure gradient by the C-Y model is 2.027 Pa [m.sup.-1]', that by the local power-law model 2.030, and that by the truncated power-law model 2.528, the latter two from Eqs.
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."
The EBRDas economists see growth in the transition region of a modest 2.7% in 2014, virtually unchanged from the November forecast, and after expansion of 2.0% in 2013.
We define a semi-infinite 1D domain of a non-damped medium, where at the end of it a transition region is defined by using the potential profile; see (11).

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