- ionization region
- 電離區域
English-Chinese dictionary. 2013.
ionization region
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E region — the region of the ionosphere in which the E layer forms. [1935 40] * * * ▪ atmospheric science also called Kennelly heaviside Layer, ionospheric region that extends from an altitude of 90 kilometres (60 miles) to about 160 kilometres… … Universalium
Rydberg Ionization Spectroscopy — Rydberg statesAtoms and molecules have ionization energy thresholds associated with the energy required to remove an electron from the ionic core. (The Rydberg formula describes the energy level series of a Rydberg atom.) Rydberg series describe… … Wikipedia
Hot filament ionization gauge — Infobox Laboratory equipment name = Hot filament ionization gauge caption = Bayard Alpert hot thoriated iridium filament ionization gauge on 2.75 in conflat flange acronym = other names = Hot cathode gauge Bayard Alpert gauge uses = Pressure… … Wikipedia
Low-ionization nuclear emission-line region — cite journal author= L. C. Ho, A. V. Filippenko, W. L. W. Sargent title=A Search for Dwarf Seyfert Nuclei. III. Spectroscopic Parameters and Properties of the Host Galaxies journal=Astrophysical Journal Supplement year=1997 volume=112… … Wikipedia
H I region — An H I region is an interstellar cloud composed of neutral atomic hydrogen (H I). These regions are non luminous, save for emission of the 21 cm (1,420 MHz) region spectral line. This line has a very low transition probability, so requires large… … Wikipedia
Impact Ionization Avalanche Transit Time Diode — Die IMPATT Diode ist ein Hochfrequenz Halbleiter Bauelement der Mikroelektronik, das als Diode zu den elektronischen Bauelementen gehört. Der Name leitet sich von der englischen Bezeichnung Impact Ionization Avalanche Transit Time Diode ab, im… … Deutsch Wikipedia
Fast Low-Ionization Emission Region — Fast Low Ionization Emission Regions (FLIERs) are volumes of gas with low ionization near the symmetry axis of many planetary nebulae. Their outflow speeds are significantly higher than the nebulae in which they are embedded, and their… … Wikipedia
Impact ionization — is the process in a material by which one energetic charge carrier can lose energy by the creation of other charge carriers. For example, in semiconductors, an electron (or hole) with enough kinetic energy can knock a bound electron out of its… … Wikipedia
Depletion region — In semiconductor physics, the depletion region, also called depletion layer, depletion zone, junction region or the space charge region, is an insulating region within a conductive, doped semiconductor material where the mobile charge carriers… … Wikipedia
F region — The F region of the ionosphere is home to the F layer of ionization, also called the Appleton layer , after the English physicist Edward Appleton. As with other ionospheric sectors, layer implies a concentration of plasma, while region is the… … Wikipedia
Solar transition region — The solar transition region is a region of the Sun s atmosphere, between the chromosphere and corona. It is visible from space using telescopes that can sense ultraviolet. It is important because it is the site of several unrelated but important… … Wikipedia
