National Bureau of Standards Handbook, Issue 64

0.1 percent added filter air absorption alinement attenuation beam diameter Bureau of Standards C₁ calibration capacitance capacitor coefficient collecting potential collection region collector and guard collector electrode collector length collector plate computation constant potential X-ray contact potential difference Cryogenic Cu+1 curve cylindrical diaphragm aperture distance dose rate Electrical electrometer electron-produced ionization electronic equilibrium Engineering error field distortion filtration of approximately free-air chamber guard electrodes guard plates guard wires high-speed electrons high-voltage plate hole inherent filtration ionization chamber ionization current ionization density ionization loss ionization produced kv kv kv Loss of electron-produced mass of air material meter National Bureau parallel-plate chamber Physics plane of definition potential X-ray beams potentiometer principle of electronic radii Radio Propagation radius resistor saturation current scatter secondary instruments standard chamber Swedish chamber temperature tion total electron ionization tungsten alloy two-dimensional voltage divider voltage source water vapor wires or strips X-RAY TUBE ст