Sentence examples for difficult to remove from from inspiring English sources

The pollution is extremely difficult to remove from the environment or trace back to its source.

"It had a thick gel center and seemed to be effective," she said, but was difficult to remove from its sheet without its "sticking back on itself".

Victor F. Petrenko, a professor at the Thayer School of Engineering at Dartmouth College, proposes using the electrical principle that makes ice so difficult to remove from sidewalks to create electronic brakes to slow skiers or snowboarders automatically before they get into trouble.

Clay is a common-place foulant and very difficult to remove from membranes.

Such products would be difficult to remove from the discharge tank in a practical setting.

Complexating agents are used to avoid side-reactions but are difficult to remove from mixture.

Heavy metals are very difficult to remove from the soil, Dr Caravanos pointed out.

Compared to Se (IV), Se (VI) is more bioavailable and much more difficult to remove from water.

Due to its high solubility over a wide pH range, it is notoriously difficult to remove from contaminated waters.

It is especially efficient toward Cs+ cations, the species that are among the most difficult to remove from the water.

As III) is more toxic than As V) and it is very difficult to remove from water.