Sentence examples for be kept pure from inspiring English sources

And the colonies had to be kept pure: mixed populations would inevitably generate mixed results.

These adolescents' organs must be kept pure because they are to be used by someone else.

A fuel cell is a complex system and the key problems are that the feedstock must be kept pure and power consumption minimized in the auxiliaries.

But in the zealots' view Burma, the last remaining home of what they claim to be "pure" Buddhism, must be kept pure.

A vast prophylaxis regulates every bodily activity and constantly reminds the Israelites of their responsibility: they must be kept pure, unique, chosen.

Tradition matters at Bonnaroo: not as something to be kept pure by simple preservation but as an ingredient worth drawing on.

Meanwhile, Kitson's standup shows have, on the face of it, been kept pure and free from theatrical flourishes, that is until his 2013 show After the Beginning Before the End, which came complete with a soundtrack manipulated onstage by a distinctly sat-down Kitson.

The hydrogen has to be kept extremely pure and at a stable pressure.

"It's a bean known for its beautiful deep crimson flowers… and the red colour of the flower is the result of a recessive gene… so in order to preserve it, it has to be kept absolutely pure".

The next years will show, whether these promises can be kept on a pure commercial basis for a whole process chain from algae cultivation to oil extraction during a whole year and on a real hectare.

Tc1 animals cannot be kept on a pure genetic background due to the loss of transmission of the Hsa21 [38].