Sentence examples for ultrasonic frequencies from inspiring English sources
Ultrasonic frequencies, which are high-pitched, can be harnessed and directed.
The researchers found that the whales emitted a series of very short directional clicking sounds at ultrasonic frequencies.
Kelders, L., Lauriks, W. & Allard, J. F. Surface waves above thin porous layers saturated by air at ultrasonic frequencies.
To sample at higher rates is a complete waste of time -- all it does is to extend the frequency response to ultrasonic frequencies that are completely inaudible.
They turned voice commands into ultrasonic frequencies that can be heard and used to control devices but are inaudible to humans.
The latest fish-finders combine different ultrasonic frequencies and beam angles to probe the water around a boat.
The operating principles associated with the process of ultrasonication and the influence of various operating conditions including ultrasonic frequency, power intensity, ultrasonic duration, reactor designs and kinetics applied for ultrasonic intensification are also described.
Ultrasonic frequency, acoustic power, and methanol concentration have been considered as variables in the experiments.
Temperature and ultrasonic frequency were kept at 20 30 °C and 25 kHz, respectively.
Although the ultrasonic frequency increased, pitting and erosion phenomena did not appear on the plated surface.
The extraction yields were optimized by varying the solvent concentration, ultrasonic frequency, temperature and time of ultrasonic treatment.
