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этимология

Что (кто) такое heat emitter - определение

Lyman α emitter; Ly-α emitter; Lya emitter; LyA emitter; Lyα emitter; Lyman-alpha emitters; Lyα galaxy; Lyman a emitter; Ly-a emitter; Lya galaxy; Lyman alpha emitter; Lyman alpha radiation; Lyman-alpha radiation

Heterostructure-emitter bipolar transistor

TRANSISTOR USING HETEROSTRUCTURE CONFINEMENT IN THE EMITTER

Heterojunction emitter bipolar transistor; Heterostructure emitter bipolar transistor

The Heterojunction-emitter bipolar transistor (HEBT), is a somewhat unusual arrangement with respect to emitter blocking of minority carriers. This is accomplished by using heterostructure confinement in the emitter, introducing an energy barrier to minority-carrier charge flow from the base.

https://en.wikipedia.org/wiki/Heterostructure-emitter_bipolar_transistor

Emitter Coupled Logic

HIGH-SPEED INTEGRATED CIRCUIT BIPOLAR TRANSISTOR LOGIC FAMILY

Emitter Coupled Logic; Positive emitter-coupled logic; Positive Referenced Emitter Coupled Logic; Emitter-Coupled Logic; Current switch emitter follower logic; Emitter coupled logic; Low Voltage Positive Emitter Coupled Logic; Positive Emitter Coupled Logic; Current steering logic; Low-voltage positive emitter-coupled logic; LVPECL; ECL signal; RSPECL; Positive-referenced emitter-coupled logic; Emitter-follower logic; Single-ended ECL; Single-ended emitter-coupled logic; Differential emitter-coupled logic; Differential ECL; SECL; DECL; Emitter-follower-coupled-switch; MECL; MECL I; MECL II; MECL III; Motorola ECL; Motorola ECL I; Motorola ECL II; Motorola ECL III; Motorola emitter-coupled logic

(ECL) (Or "Current Mode Logic") A technology for building logic gates where the emitter of a transistor is used as the output rather than its collector. ECL has a propagation time of 0.5 - 2 ns (faster than TTL) and a power dissipation 3 - 10 times higher than TTL. (1994-11-09)

Heat

ENERGY THAT IS TRANSFERRED FROM ONE BODY TO ANOTHER AS THE RESULT OF A DIFFERENCE IN TEMPERATURE

Heating; Heat change; Heat energy; Heat (thermodynamics); Sources of heat; Thermal enegy; Heat as energy; Heat source

·noun Sexual excitement in animals.

II. Heat ·noun Fermentation.

III. Heat ·noun Animation, as in discourse; ardor; fervency.

IV. Heat ·noun Agitation of mind; inflammation or excitement; exasperation.

V. Heat ·Impf & ·p.p. Heated; as, the iron though heat red-hot.

VI. Heat ·vt To excite or make hot by action or emotion; to make feverish.

VII. Heat ·noun Utmost violence; rage; vehemence; as, the heat of battle or party.

VIII. Heat ·vt To excite ardor in; to rouse to action; to excite to excess; to inflame, as the passions.

IX. Heat ·vt To make hot; to communicate heat to, or cause to grow warm; as, to heat an oven or furnace, an iron, or the like.

X. Heat ·noun A single complete operation of heating, as at a forge or in a furnace; as, to make a horseshoe in a certain number of heats.

XI. Heat ·vi To grow warm or hot by the action of fire or friction, ·etc., or the communication of heat; as, the iron or the water heats slowly.

XII. Heat ·vi To grow warm or hot by fermentation, or the development of heat by chemical action; as, green hay heats in a mow, and manure in the dunghill.

XIII. Heat ·noun A violent action unintermitted; a single effort; a single course in a race that consists of two or more courses; as, he won two heats out of three.

XIV. Heat ·noun High temperature, as distinguished from low temperature, or cold; as, the heat of summer and the cold of winter; heat of the skin or body in fever, ·etc.

XV. Heat ·noun The sensation caused by the force or influence of heat when excessive, or above that which is normal to the human body; the bodily feeling experienced on exposure to fire, the sun's rays, ·etc.; the reverse of cold.

XVI. Heat ·noun Indication of high temperature; appearance, condition, or color of a body, as indicating its temperature; redness; high color; flush; degree of temperature to which something is heated, as indicated by appearance, condition, or otherwise.

XVII. Heat ·noun A force in nature which is recognized in various effects, but especially in the phenomena of fusion and evaporation, and which, as manifested in fire, the sun's rays, mechanical action, chemical combination, ·etc., becomes directly known to us through the sense of feeling. In its nature heat is a mode if motion, being in general a form of molecular disturbance or vibration. It was formerly supposed to be a subtile, imponderable fluid, to which was given the name caloric.

Википедия

Lyman-alpha emitter

A Lyman-alpha emitter (LAE) is a type of distant galaxy that emits Lyman-alpha radiation from neutral hydrogen.

Most known LAEs are extremely distant, and because of the finite travel time of light they provide glimpses into the history of the universe. They are thought to be the progenitors of most modern Milky Way type galaxies. These galaxies can be found nowadays rather easily in narrow-band searches by an excess of their narrow-band flux at a wavelength which may be interpreted from their redshift:

1+z={\frac {\lambda }{1215.67\mathrm {\AA} }}

where z is the redshift, $\lambda$ is the observed wavelength, and 1215.67 Å is the wavelength of Lyman-alpha emission. The Lyman-alpha line in most LAEs is thought to be caused by recombination of interstellar hydrogen that is ionized by an ongoing burst of star formation. Such Lyman alpha emission was first suggested as a signature of young galaxies by Bruce Partridge and P. J. E. Peebles in 1967. Experimental observations of the redshift of LAEs are important in cosmology because they trace dark matter halos and subsequently the evolution of matter distribution in the universe.

https://en.wikipedia.org/wiki/Lyman-alpha emitter