Subjects: WATER quality monitoring; DOPPLER ultrasonography
Record details
Subjects: *Water levels; *Water quality monitoring; *Atmospheric pressure
Subjects: *Water quality monitoring; Doppler ultrasonography; Piping
Subjects: *Conservation of natural resources; Doppler ultrasonography
Subjects: *Conservation of natural resources; *Restoration ecology; Doppler ultrasonography
Subjects: INJECTORS; FUEL injection systems in automobiles; DOPPLER ultrasonography
Subjects: *ULTRASONIC imaging; *MAGNETIC resonance imaging; *MINIATURE electronic equipmentALLES, Erwin
Subjects: INTEGRATED circuits; ANALOG Devices Inc.; DEMODULATION