Aktinyum-224'ün yarı ömrü 2.7 saattir.
- The half life of actinium-224 is 2.7 hours.
Aktinyum 1051°C'de erir.
- Actinium melts at 1,051°C.
... Governments, in part, are supposed to be there to act in ...
... Act in terms of what's going to be good for all of us over ...