Method and apparatus for acoustic detection of mines and other b
Method and apparatus for acoustic sensing of structures
Method and apparatus for acoustic wave measurement
Method and apparatus for acoustically investigating a casing wit
Method and apparatus for acoustically measuring the volume of an
Method and apparatus for controlling or measuring the thickness
Method and apparatus for detecting a defect of an object to be m
Method and apparatus for detecting a load change upon a...
Method and apparatus for detecting and discriminating objects un
Method and apparatus for detecting defects and different-hardnes
Method and apparatus for detecting defects in an object by vibra
Method and apparatus for detecting dissolution of a solid in a l
Method and apparatus for detecting misapplied caps on...
Method and apparatus for determining material fatigue by measuri
Method and apparatus for determining material structural integri
Method and apparatus for determining resonant frequency of a tur
Method and apparatus for determining seismic vulnerability of a
Method and apparatus for determining the coefficient of internal
Method and apparatus for determining thickness of a...
Method and apparatus for dynamic determination of the thickness