semipermeable membrane

The human wore a breather, a semipermeable membrane that was nearly invisible over his face.

This has to do with osmosis or the diffusion of water across a semipermeable membrane.

Though the different systems are at equilibrium, there is still water passing through the semipermeable membrane.

Membrane processes use semipermeable membranes and pressure to separate salts from water.

At Caterpillar earlier this year, the picket line was a semipermeable membrane.

He states "only water molecules can pass the semipermeable membrane.

A material can be semipermeable, with the presence of a semipermeable membrane.

Osmosis is the transmission of a liquid through a semipermeable membrane.

With reverse osmosis, he said, water under pressure is passed through an extraordinarily fine semipermeable membrane.

In the situation most often encountered, the semipermeable membrane separates one liquid solution from another.