Sentence examples for impermeable against from inspiring English sources

Most of these countries are either source and/or transit countries for irregular migration to the EU.5 Candidate countries, on the other hand, are already obliged to make their borders impermeable against irregular migrants and other undesirable persons.

This means that the hydroxyapatite was well encapsulated and protected with impregnated impermeable copolymers against acid demineralization and exposed collagen was also well enveloped and protected against NaOCl degradation.

It may be a definite advantage, since they do not constitute an impermeable barrier against natural water flows.

This bacterium has an unusual lipid-rich cell wall containing a vast repertoire of antigens, providing a hydrophobic impermeable barrier against chemical drugs, thus representing an attractive target for vaccine and drug development.

Results are compared to a control sample which was cast against impermeable plywood formwork.

These structural highs can form structural traps with up-dip closure against impermeable salt and provide excellent hydrocarbon plays.

To give one example, Duvigneaud, in his study of the "Écosystème Urbs" (Duvigneaud and Denaeyer-De Smet 1977) in Brussels, shows how the large quantity of rainwater runoff pouring into sewers is due to "the predominance of stone or other hard and impermeable materials, as against soft and water-permeable soil".1.1

Inorganic salts can exert even greater osmotic pressure against membranes impermeable to them than urea.

The measurements were compared to data obtained from a similar structure covered with impermeable plastic film and against the provisions of relevant standards.

They will sit flat against the impermeable metal below.

If the water is moving through the ground, it could load up against some more impermeable material, like silt or clay, and cause liquefaction against that boundary, too.