The phrase "a mere decrease in the" is correct and usable in written English.
You can use this phrase to describe a minimal change in something. For example, "The recent decrease in temperatures was a mere decrease in the overall temperature average."
Furthermore, the essentially unaltered RV dimensions together with a concomitant reduction in RV performance as measured by RV strain and E′RV, suggests that the reduced LV filling might be the result of a reduction in the RV stroke volume rather than the consequence of a mere decrease in LV preload.
So far, efforts have mostly focused on a mere decrease in deployed warheads and nuclear-capable vehicles.
Altogether, these data suggest that a mere decrease in growth rate is not a prerequisite for suppression.
Electron micrographs confirmed the death of neurons and other glial cells, rather than a mere decrease in immunoreactivity of TH and Iba-1: in intact rat brain, neuron (N), astrocyte (A), and microglia (M) were shown whereas in ATP-injected brain, cellular structures were disrupted (Figure 1C).
While we do not know whether these cellular hallmarks are responsible for the observed increased lethality beyond the thermal limits, we note that a mere 10% decrease in embryonic viability is associated with readily observable cellular changes during the first cell cycle.
Similarly, a mere female team compared to a mere male team is related to a decrease in the odds to get published in the journals of the UTD list by less than four percent.
It is a mere cog in the machine.
A mere aberration in the world of electronic messaging?
However, this is a mere drop in the ocean.
The last case (38) is a mere split in the humerus.
