hard tube

hard tube

[′härd ‚tüb]
(electronics)
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References in periodicals archive ?
If you just want a good hard tube to run from an oxygen tank to a mask, you probably don't need silicone.
Pterobranches are creatures, which secrete a substance that builds up into a hard tube around their soft body.
The 525-million-year-old fossil belongs to a group of tentacle-bearing creatures, which lived inside hard tubes.
95 payable to `poster offer' and we will send your poster in a hard tube.
Each worm lives in a hard tube it has built on the coral.
These modulators have performance characteristics similar to high power hard tube modulators at a lower cost and higher efficiency.
These MOSFET arrays achieve performance comparable to high power hard tube modulators.
These modulators offer characteristics comparable with high performance hard tube modulators with the reliability and convenience of solid-state electronics.
If you prefer, we can post and pack your poster in a tough 66cm hard tube, so it arrives in pristine condition with no creases, for only pounds 1.