Nuclear experts say that radiation from the core of a reactor can split water molecules in two, releasing hydrogen.
原子能专家说，核反应堆堆芯的放射线能够把水分子一分为二从而产生氢气。
The active core of a nuclear reactor splits atoms in two to produce bursts of energy and, as a byproduct, large masses of highly radioactive particles.
核反应堆的活动区将原子一分为二，从中产生大量的能量，同时作为副产品，会产生大量的发射性很高的物质。
The physical parameters of the reactor core are calculated by method of the two-group theory.
应用双群理论计算了反应堆堆芯物理常数。
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