The phrase "a discernable decrease in" is correct and usable in written English.
It can be used when discussing a noticeable reduction in a particular quantity or quality.
Example: "The study revealed a discernable decrease in the population of the species over the last decade."
Alternatives: "a noticeable decline in" or "an observable reduction in".
Single fiber tensile testing results demonstrate that the functionalization does not lead to any discernable decrease in the fiber tensile strength.
Thus, this study concludes that 0.5 wt.% Rh/Ni/YSZ is the best catalyst because it does not have excessive Rh content and also does not show any discernable decrease in the PSR performance.
However, a previous study has determined that inhibition of EADs and VT by nifedipine in the rabbit heart significantly preceded any discernable decreases in left ventricular developed pressure (LVDP) (Anderson et al. 1998).
Assemblages representing semiarid or seasonally wet conditions usually contain representatives from each size class, though with no discernable decrease in the proportion of larger size classes.
Full Scale IQ scores decreased steadily with increasing MnW, but a discernable diminution in IQ was present only at higher concentrations of MnH.
When considering protocol primary outcomes that were changed to secondary outcomes or not listed with any order of importance in the review (downgrades), there was no discernable decreased risk of obtaining a significant result in the meta-analysis than if there was no discrepancy (relatively risk 0.95 95% CI (0.41, 2.19, p = 0.90).
Orlov's recovery from offseason wrist surgery has lurched forward without a discernable end in sight.
Results suggest that C. alternifolius played a discernable role in removal of TN from wastewaters in the simulated VFCWs.
After months of this continued without a discernable timeline in sight, the seller walked away from the deal.
