例句與造句

1. However, if a sufficient quantity of uranium-235 could be isolated, it would allow for a fast neutron fission chain reaction.
2. In some fast reactor designs, up to 20 % of fissions can come from direct fast neutron fission of uranium-238, an isotope which is not fissile at all with thermal neutrons.
3. This would be extremely explosive, a true " atomic bomb . " The discovery that plutonium-239 could be produced in a nuclear reactor pointed towards another approach to a fast neutron fission bomb.
4. It's difficult to find fast neutron fission in a sentence. 用fast neutron fission造句挺難的