The phrase "accompanied by a progressive decrease in" is correct and usable in written English.
It can be used when describing a situation where one phenomenon occurs alongside a gradual reduction in another variable or factor.
Example: "The study found that the increase in temperature was accompanied by a progressive decrease in ice thickness."
Alternatives: "coupled with a gradual decline in" or "alongside a steady reduction in".
This was accompanied by a progressive decrease in the power density spectrum, amplitude, number, and duration of the uterine wall and abdominal surface electrical bursts.
Investigators have noticed that the ROS level was specifically high in developing chondrocytes of the embryonic limb, and chondrocyte maturation was accompanied by a progressive decrease in catalase activity in growing cartilage (Salas-Vidal et al., 1998; Schnabel et al., 2006).
This was accompanied by a progressive decrease in sensitivity.
This has to be accompanied by a progressive reduction in noise ascribable to aircraft.
This is accompanied with a progressive decrease in the time needed to initiate the straight line walking (Figure 4D) as the cranio-caudal maturation is completed.
Development of GS was characterized by a progressive decrease in B, CD4 T and NK lymphocytes.
When used at a particle dose of 25 μg/mL (that includes 0.6 and 6 μg/mL PTX and GEM, respectively) for 0 24 h, dual drug delivery by LB-MSNP could be seen to induce a progressive decrease in CDA expression, accompanied by a rapid and sustained increase in HO-1 expression over time.
This shift was accompanied by a progressive, long-term decrease in peak A-type K+ current amplitude that outlasts the observed A-channel inactivation curve shift.
This condition is accompanied by a progressive, age-related decrease in pancreatic insulin release.
In all study groups, a progressive decrease in the number of sucks/min accompanied by an increase in the number and duration of pauses/min along the feeding period was observed.
Upon addition of cycloheximide to inhibit protein synthesis, there was a progressive decrease in very-HMW-SUMO in the WSS1 strain accompanied by an increase in intermediate-HMW-SUMO, while the SUMO conjugates of type III showed only slight decline.
