The phrase "a fast decrease" is correct and usable in written English.
It can be used to describe a rapid reduction in quantity, size, or intensity of something.
Example: "The company experienced a fast decrease in sales during the last quarter, prompting management to reevaluate their marketing strategy."
Alternatives: "a rapid decline" or "a swift drop".
Conclusions: Studying the kinetics of plasma progesterone after surgical treatment of ectopic pregnancies revealed a fast decrease in progesterone.
BMDTB was normal at diagnosis, with a fast decrease in the first 32 weeks, in which chemotherapy was relatively intensive.
High permeability of the sand packs is conductive to increase gas production rate, but it can also induce a fast decrease on temperature and pressure.
Quantum yield of Photosystem II (PSII) photochemistry showed a fast decrease with increasing irradiances in the morning and an increase with decreasing irradiances in the afternoon.
Spectrophotometric analysis demonstrated that an increase in [Fe(II)]0 led to a fast decrease of the dissolution time (tdis) as long as the concentration of Fe II/III) was smaller than that needed for saturation of the IER.
The magnetic interaction between the steerers and the undulators may lead to additional optical phase errors: auxiliary poles have been added to obtain a fast decrease of the fringe field.
This faster decrease in central CRH release would lead to a faster decrease in the ACTH release in the LR than HR subjects and as result to a faster return to the pre-stress or even below the pre-stress levels.
Higher chloride concentrations led to a faster decrease in total organic carbon (TOC), chemical oxygen demand (COD), and absorbance values at 228 nm.
At transmembrane pressures slightly higher than the capillary pressure, a faster decrease in the interfacial tension resulted in the spontaneous formation of smaller droplets with a narrower droplet size distribution.
Neutrophils of cows in SCHI had a faster decrease in cytosolic iCa2+ after stimulation with ionomycin (9.9 ± 1.0 vs. 13.6 ± 1.4 Fluo-4 Fura Fluo-4 Furad Redio) in vitro.
The pH decreased slightly over time with a faster decrease in samples containing sludge.
