scintillation

listen to the pronunciation of scintillation
الإنجليزية - الإنجليزية
The flash of light produced by a phosphor when it absorbs ionizing radiation
The twinkling of a star caused by turbulence in the Earth's atmosphere
A flash of light; a spark
The twinkling of stars or small bursts of light
{n} the act of sparkling or shining
Twinkling effect observed when light from a very small radiating source passes through a turbulent medium
The act of scintillating
a rapid change in brightness; a brief spark or flash
Generic term for rapid variations in apparent position, brightness, or color of a distant luminous object viewed through the atmosphere
The sparkle, which is the combination luster, brilliance, and dispersion when there is movement by the wearer or light source
Signal variation due to naturally-ocurring (or sometimes man-made) irregularities in the ionopshere The effect is the same as the visible twinkling of stars due to variations in the atmosphere Scintillation is readily identified in the data Scintillation is most easily explained by analogy to a diffraction grating Ionospheric irregularities are the equivalent of the diffraction grating The received signal is then the sum of signal from multiple paths As the path lengths change the signal varies due to constructive and destructive interference, hence the star twinkles In other words, scintillation is variations in amplitude, phase, polarization and angle of arrival of a radio wave upon passing through the ionosphere, such as would occur with a satellite signal Scintillations can be severe (especially near the equator) and present problems to communication services
the twinkling of the stars caused when changes in the density of the earth's atmosphere produce uneven refraction of starlight
a brilliant display of wit
The twinkling of a star caused by turbulence in the Earths atmosphere
(physics) a flash of light that is produced in a phosphor when it absorbs a photon or ionizing particle
the twinkling of the stars caused when changes in the density of the earth's atmosphere produce uneven refraction of starlight a brilliant display of wit (physics) a flash of light that is produced in a phosphor when it absorbs a photon or ionizing particle
{i} spark, flash, gleam; production of sparks, act of giving off sparks
  In electromagnetic wave propagation, a small random fluctuation of the received field strength about its mean value (188)  Note: Scintillation effects become more significant as the frequency of the propagating wave increases
The emission of light that occurs when electrons or positrons excite a substance in a transparent material they are passing through
A scintillation counter consists of a material that emits light when radiation passes through it Various liquid, plastic, and crystalline materials have scintillation properties Scintillation light is measured with photomultiplier tubes In general the amount of scintillator light detected is proportional to the energy of the radiation
A fluctuation of the amplitude or phase of a radio signal caused by irregular structure of the medium through which it is propagating, like the ionosphere
is the sparkling action associated with the Quickstep's crackling personality - the snappy foot-flicks and jumps that addd energy and joy to this dance or any other dance such as Jive, Samba, etc that exude the same energy and radiance
Effect that can cause loss of returns because of interference of signals from different objects within the same resolvable element causes large random amplitude variation
A random fluctuation of the received field strength caused by irregular changes in the transmission path over time
When light reflects from a diamond, the sparkling flashes that come from the facets of the gem are known as scintillation Shallow cut Cut refers to the angles and proportions a skilled craftsman creates in transforming a rough diamond into a finished diamond When a diamond is cut too shallow, it will lose or leak light through the side or bottom This results in less brilliance and value
the quality of glittering or sparkling brightly
The "twinkling" of a celestial object or the rapid variations in a star's brightness This twinkling is caused by changes of the air temperature in the Earth's atmosphere Changes in air temperature causes turbulence which varies the bending of the light entering the atmosphere
A spark or flash emitted in scintillating
scintillation cocktail
A solution of a beta particle emitter to be analysed in an organic solvent along with a fluor which emits a scintillation of light, which can then be detected by a liquid scintillation counter
scintillation cocktails
plural form of scintillation cocktail
scintillation counter
A detector of particles and ionizing radiation which uses a photomultiplier to generate flashes of light
scintillation vial
The laboratory apparatus in which a sample to be analyzed by scintillation counting is held in a scintillation counter
scintillation counter
device used to count the number of radioactive atoms that break down in a given period of time
scintillation counter
A device for detecting and counting scintillations produced by ionizing radiation
scintillation counter
counter tube in which light flashes when exposed to ionizing radiation
liquid scintillation
The scintillation of a solvent molecule when a radioactive solute molecule undergoes beta decay and emits an electron
liquid scintillation counter
A piece of laboratory equipment used to analyse solutions of a beta particle emitter by measuring the scintillations from a scintillation cocktail
liquid scintillation counters
plural form of liquid scintillation counter
scintillation
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