Sentences with phrase «prevent hydrogen escape»
All of the remaining reactors, however, will remain offline until they have been upgraded to meet extended safety requirements, such such as the provision of alternative power supplies, multiple sources of cooling water, back - up control rooms and venting to prevent hydrogen escape.
http://www.world-nuclear-news.org/ Not exact matches
If the earth were slightly larger, having a stronger gravitational force, it would prevent hydrogen, a light gas, from escaping at a specified rate, building up in our atmosphere and eventually rendering our planet lifeless.
Once the venting go - ahead was given, crews were unable to begin until 2:30 p.m., almost 24 hours after the accident began, and by that time, it was too late to prevent hydrogen from escaping the containment and gathering at the top of Unit 1.