The phrase "frequency dropped" is a correct and usable part of a sentence in written English.
It can be used to describe a decrease in the rate or occurrence of something. Example: "As the storm passed, the frequency of lightning strikes dropped, bringing relief to the frightened residents."
The median seizure frequency dropped by 55.6% in the whole group, with nine patients improving by at least 50%.
They found that the search trend had a six-day "half-life," meaning that search frequency dropped by 50percentt every six days.
As shown in Fig. 4A, the results showed that, with the LED switched on for 5 s, the resonant frequency dropped initially, possibly due to the photoinitiator decomposition.
In the third patient [42] attack frequency dropped from 30/day to sporadic attacks after 15 months of continuous stimulation.
In those initially receiving NTP who had TPM added, mean frequency dropped from 8.1 (SD 1.5) to 3.1 (SD 1.6), p < 0.001.
Among the 107 patients who improved, the frequency dropped in 93 (86.9%) patients, the duration was reduced in 17 (15.9%) and the intensity decreased in 64 (59.8%).
A threshold shear rate (1.5 ± 0.3 s−1) is observed below which the TT frequency drops to zero.
The temperature drift of resonance frequency drops down two orders of magnitude compared with that of uncompensated resonator.
Some relays are set to interrupt circuits if electric frequency drops too far below the standard 60 cycles per second, or if the voltage drops too low; both are signs of generation deficiency.
In the case of resonance test machines, the axle is determined to have been cracked when the testing frequency drops more than 0.5 Hz.
Consequently, small variations of the excitation frequency around the harvester's fundamental frequency drops its small energy output even further making the energy harvesting process inefficient.
