It confronted him like a porous membrane in the foundation of time and space.

The water seeps through the hose's porous membrane, soaking into the soil right where the plants need it.

Here I have a strong container, divided into two parts by a porous membrane.

The performance of porous membranes are dependent on temperature as well as operating pressure and flow.

The porous membrane between Congress and lobbyists needs to be made public.

Dense and porous membranes are distinct from each other based on the size of separated molecules.

The latter are usually produced by a lamination of dense and porous membranes.

These two channels are separated by the hydrophobic, micro porous membrane.

The cells are sandwiched between two porous membranes in a plastic well.

In reverse osmosis, the salt water is pumped along a porous cylindrical membrane at high pressure.