Sentences with phrase «useful quantities»

The key to producing legitimately useful quantities of water, however, is going to be a matter of a fairly massive scale.

Although DNA can survive only up to 100,000 years and is rarely found in useful quantities in specimens even half that old, the team has found measurable amounts of osteocalcin in 120,000 - year - old bones.

The research could yield industrially useful quantities of bulk graphene and is described online in a new study in the American Chemical Society journal ACS Nano.

Two experiments at CERN are designed to make antihydrogen in useful quantities, but that goal is proving elusive

It also contains smaller but useful quantities of copper, phosphorous, manganese and zinc.