Sentences with phrase «higher ultrasonic frequencies»

Not exact matches

Small leaks in food packaging tend to produce a high - frequency sound which can be easily detected using the ultrasonic measurement test.

In contrast, rat laughter comes in the form of high - frequency 50 - kilohertz ultrasonic calls, or «chirps,» that are distinct from other vocal emissions in rats.

Most crickets distinguish between mates and predators based on the frequency of sound: male crickets produce low frequency calls to attract females, while bats produce high frequency (ultrasonic) sounds for echolocation.

Physicists from the UC Berkeley, have used graphene to create ultra-thin, lightweight microphones and speakers that enable high - quality, ultrasonic two - way communication and a frequency response that is claimed to be flat across the entire audible spectrum.

I use organic or wild crafted products that are toxin free in addition to using a LED lights, high frequency, microdermabrasion, plant based peels, ultrasonic exfoliation and cold therapy.

This involves the use of hand instruments and ultrasonic scalers utilizing high frequency sound waves which are emitted along with a steady spray of water from a hand piece, and polishing with a dental pumice.

This option is ultrasonic dissolution, in which high frequency ultrasound waves disrupt or break the stones into tiny particles that can then be flushed out of the bladder.

Cats can detect higher frequencies than dogs (e.g., a mouse's ultrasonic squeak).