These codes are used within the pro
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G CRAMP
One in the shape of a G, with a screw passing through one end. The shoe is sometimes swivelled to enable the cramp to be used on tapered surfaces. Also G clamp.
G-GAS
Gaseous mixture based on helium and isobutane used in low-energy beta counting eg of tritium by gas-flow proportional counter. See gas-flow counter.
G-STRING
Colloquiallism for single-wire transmission line loaded with dielectric so that surface-wave propa
G-VALUE
A constant in radiation chemistry denoting the number of molecules reacting as a result of the absorption of 100 eV radiation energy.
G-Y SIGNAL
Component of colour TV signal which, when combined with the Y signal produces the green chrominance signal.
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