persistence

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persistence

[pər′sis·təns]
(electronics)
A measure of the length of time that the screen of a cathode-ray tube remains luminescent after excitation is removed; ranges from 1 for short persistence to 7 for long persistence.
A faint luminosity displayed by certain gases for some time after the passage of an electric discharge.
(meteorology)
With respect to the long-term nature of the wind at a given location, the ratio of the magnitude of the mean wind vector to the average speed of the wind without regard to direction. Also known as constancy; steadiness.

persistence

(programming)
A property of a programming language where created objects and variables continue to exist and retain their values between runs of the program.

persistence

(hardware)
The length of time a phosphor dot on the screen of a cathode ray tube will remain illuminated after it has been energised by the electron beam. Long-persistence phosphors reduce flicker, but generate ghost-like images that linger on screen for a fraction of a second.

persistence

(1) In a CRT, the time a phosphor dot remains illuminated after being energized. Long-persistence phosphors reduce flicker, but generate ghost-like images that linger on screen for a fraction of a second.

(2) In object technology, the storage of an object on a permanent storage device such as a disk or SSD. See persistent data and persistent name.
References in periodicals archive ?
There was some missing data (<5%) for the intention to persist variables so those participants were removed from future analyses.
22] must be > (d + r)/K for the pathogen to persist in the absence of input from [H.
Persist started with archiving, but they're doing a lot more than that now.
Persist is a productive and persistent cultivar that is adapted from the northern to the extreme southern range of the mid-southern USA.
Firethorn (Pyracantha) and red clusterberry (Cotoneaster) are known for their clusters of bright orange or red berries that begin to show themselves in late summer and persist on the plant through the end of winter.
The staff analysis suggested that the surge in household net worth over the past several years would help to support sizable, though gradually diminishing, gains in consumer spending; favorable cash flow affordability would underpin housing demand at a relatively high level; and substantial increases in capital spending would persist until slower growth in business sales and weaker profits began to have a restraining effect in 1999.
That this society can persist beneath our view suggests the possibility of survival, and Komunyakaa says, "I am drawn again/To conception & birth.
Like many journalists, business people need exposure to the often misunderstood field of public relations during their education, or their inaccurate perceptions will persist.
reinsurance market has entered the soft phase of the cycle, we can, assuming no mega-catastrophes, expect soft market conditions to persist for a number of years," said Sean Mooney, Guy Carpenter's Chief Economist.
ISLAMABAD -- Hot and dry weather will continue to persist in most parts of the country during the next 24 hours with no chances of any significant rain, said Pakistan Meteorological Department (PMD) on Wednesday.
In conjunction, DURECT remains responsible for the completion of the ongoing PERSIST Phase 3 clinical trial for POSIMIR as well as US FDA interactions through approval.