mean effective life

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mean effective life

A generic term for the average time that a particular process or thing is in use or fulfils its designated role as intended. The term has been applied to a range of items, including patents (intellectual property), pesticides, PEG and NG tubes, and roofing material.
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References in periodicals archive ?
Ensuring electronic device restoration mean time requirements
[T.sub.man]--yearly mean time to failure removed by manoeuvres, [h/year];
In the mean time we have to put up with getting first-class mail five days after it's due and second-class mail whenever they feel like it.
OptiView Link Analyzer 6.1 helps network managers reduce mean time to resolution for network problems and ensure maximum productivity with network/application resources.
Mean time between assist is improved by minimizing material build up at the zero cavity nozzle.
In a subsequent, related study (Hsieh et al., unpub, data), retrospective statistical analysis of the laboratory confirmed case data conducted with a two-sample t test indicated that the mean time from initial diagnosis of patients with suspected SARS to reclassification as probable SARS, improved significantly after May 10.
Greenwich mean time was established in 1884, just in time for the development of mass networks of trains requiring schedules and accurate timekeeping.
This lowers the mean time to discover, diagnose and repair customer-affecting problems.
In the mean time, is it any wonder so many around the world hate being so dependent on America?
The increase in bearing performance offers pump designers and manufacturers vital new design options, including those for downsizing or extending mean time between failure (MTBF).
Before the railways, local mean time was the time kept by local municipal clocks.
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