The phrase "a fast drop of" is correct and usable in written English.
It can be used to describe a quick decrease in quantity, value, or intensity.
Example: "There was a fast drop of temperature as the sun set behind the mountains."
Alternatives: "a rapid decline of" or "a swift decrease of".
After that, a fast drop of the structure features (memory and spatial topology) occurs.
Khouri et al. have reported a fast drop of serum concentrations in patients with active ALL or CLL.
The quantity of barley meal was gradually increased from 0.5 to 1.5 kg (with 250 g increment per day) to prevent from a fast drop of pH that could have led to acute ruminal acidosis.
They raise doubt about the validity of previous claims suggesting equal telomere shortening in centenarians (Kimura et al., 2007) or a fast drop of telomere length between centenarians and semi-supercentenarians (Tedone et al., 2014) that were derived from very low numbers of participants.
We can see from Fig. 8 that a smaller temperature curve index will cause a faster drop of the temperature along the beam height.
The experimental results show a fast drop in shear or tensile strength of about 45% at the beginning of degradation.
Once aggressive species pierce through physical coating, the thin and porous aluminium oxide layer cannot remain as a reliable long-term protection; the fast drop of R ct for SHSC from the 15th day to the 35th day strengthens the above opinion.
This wave of concentration would explain the fast drop of the adsorption rate observed in the SC and DA samples around 100 200 min.
The scram function renders the core subcritical in response to plant upsets, which is realized by fast drop of the control rods.
An initial fast drop of ionized calcium was observed during the first 20 min of infusion followed by a fluctuation leading to a further drop until recumbency.
Similarly, higher values of λ correspond to a faster drop-off of pathogen levels from older epidemics.
