.~ By measuring electrical or magnetic properties {2}
861.09
.~.~ Ionization type
DEFINITION
Classification: 73/861.09
Ionization type:
(under subclass 861.08) Subject matter wherein ions are produced in the fluid and the flow rate is determined by (a) the ion production rate, or (b) the rate of ion collection by ion collector means (e.g., electrodes).
SEE OR SEARCH THIS CLASS, SUBCLASS:
861.05, for detection of the transit time of an ionized tracer or tag.
861.07, for detection of the concentration of an ionized substance or solution injected into the fluid.
SEE OR SEARCH CLASS
250, Radiant Energy,
306+, for inspection of solids or liquids by charged particles.
324, Electricity: Measuring and Testing, 460+, for the measurement of gas pressures by means of