Two or more coils electrically connected in series opposition such that any electromagnetic condition which is not common to the areas of the specimen being tested or the test specimen and the standard will produce an unbalance in the system and thereby be detected.
Opposition, испанский (1) act of opposing or resisting. (2) confronting another
Crystal mosaics (ut), английский Two or more crystals mounted in the same plane in one holder and connected so as to cause all crystals to vibrate as one unit.
Net density (rt), английский Total film density less the base plus fog density.
