Air systems may leak under vacuum conditions.

The sample must be stable under high vacuum conditions and the electron beam, typically 15 to 25 kV.

On 27th March 2013 the engine was successfully tested under vacuum conditions.

After all, the Ishidas had more experience of vacuum conditions than any of them there.

Low volatility is important for use in lunar vacuum conditions.

None of them had had time to don their space-suits, and they were unprepared for vacuum conditions.

Some machines even have the possibility to do measurements at very high temperatures, up to 1750 C, or in vacuum conditions.

Under vacuum conditions these gases escape from liquid metal to the vacuum chamber.

They plan to improve the vacuum conditions, so that the intrinsic instrumental noise is reduced.

Pressure that would make the bottoms of our seas seem near vacuum conditions.