The phrase "amount of impermeable" is not correct in standard English usage.
It is typically used in contexts discussing the quantity or extent of impermeable materials or surfaces, but it should be phrased differently for clarity.
Example: "The amount of impermeable surfaces in the city has increased significantly over the years."
Alternatives: "extent of impermeable" or "quantity of impermeable".
While an undeveloped site is able to absorb a significant amount of rainfall, impermeable surfaces like buildings and parking lots greatly increase the amount and speed of storm water flowing through and off the site, raising the risk of flooding.
Thus the amount of PrPC labelled with cell-impermeable biotin in neurones pulsed with 5 µM glimepiride for 1 hour remained low for 2 hours after the cessation of glimepiride treatment and only returned to the levels seen in untreated cells after 12 hours (Figure 2B).
No significant decrease was observed in body weight or residual amount of [H]dextran, which is an impermeable marker, in mouse brain up to 72 h after the administration (data not shown), suggesting that a single dose of 1,25(OH)2diddid not cause significant toxicity or disruption of BBB integrity.
The utilization of impermeable type of cover materials will only increase the confining leachate amount whereby the movement of leachate within the cell is hindered and reduce the effectiveness of landfill cell.
An amount of 600 kg was divided into sealed impermeable bags and placed at different spots in a prefabricated wooden house.
A superficial analysis of the hydrology would suggest that, if the soil surface is covered with a significant amount of stones, the run-off from this impermeable surface would increase the overall run-off.
In effect, social scientists treat the life sciences as enclosed within a kind of impermeable wall.
Vast swathes of impermeable concrete beneath the surface can prevent rainwater soaking away and increase the risk of flash flooding.
On top of the liner come two feet of impermeable clay, followed by one more foot of soil.
As a sunbaked desert of impermeable concrete and tarmac, the city is slowly being dried to death.
