photomultiplier tube

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photomultiplier tube

[¦fōd·ō′məl·tə‚plī·ər ¦tüb]
(electronics)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

photomultiplier tube

A vacuum tube that converts light into electrical energy and amplifies it. Photomultiplier tubes are used in high-end drum scanners, because they are more sensitive to light than the CCD elements used in lower-cost devices.
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References in periodicals archive ?
Moreover, the previous PMT formula included indicators of household head's educational attainment and children's enrollment in school that are not easily observable and verifiable.
The agreements with FWO for construction of PMT and CPEC City have been signed and both housing schemes are now an advance stage for implementation, he explained.
This is expected to reduce the rural bias which was observed in the previous formula.The previous formula was allocating the same weight to demographics, dwelling characteristics, durables and productive assets in the calculation of the PMT score for all households of Pakistan, irrespective of their characteristics or location.
In Figure 4, the heatmap shows the weight corresponding to each PMT as obtained from the bottleneck neuron when searching for the first most important PMT.
In the PMT 401 instructional approach that incorporates the Action Learning method and ethos, one key distinguishing feature is that students do not start out with a preconceived problem.
Continued strong cash flows from PMT's existing investments, including $96.5 million in cash proceeds generated from the liquidation and paydown of distressed mortgage loans and real estate owned (REO) properties
The PMT was originally approved by the State Legislature in 2009 to address chronic funding shortages at the MTA, which currently faces a $15 billion funding gap for its five-year, $32 billion capital program.
PMT runs a wide range of engineering thermoplastics and produces parts in more than 50 colors.
The ministry in a letter on December 2 informed the Prime Minister's Office (PMO) that a consortium led by BG Group had caused a production loss of $ 5.6 billion in western offshore PMT fields by not completing committed work programme.
Earlier, Thailand's Senate Police Commission asked the National Anti-Corruption Commission to probe the role of some government officials in a 68-billion baht tax evasion case involving PMT.