共 10 条
[1]
PVDF-TRANSDUCERS FOR MHZ-PULSE-ECHO ATTENUATION MEASUREMENTS IN METALS AT LOW-TEMPERATURES (ADVANTAGES AND LIMITS)
[J].
IEEE TRANSACTIONS ON ELECTRICAL INSULATION,
1986, 21 (03)
:487-492
[6]
KRAUTKRAMER J, 1983, ULTRASONIC TESTING M, pCH7
[7]
SCRUBY CB, 1982, RES TECHNIQUES NONDE, V5, pCH8