Supported platinum catalyst(for recycling tritium from heavy water or for producing heavy water especially designed or prepared, used for acceler- ating hydrogen and water, the hydrogen isotope exchange reaction between) 載鉑催化劑(爲了從重水中回收氚或爲了生産重水而專門設計或制備，用于加速氫和水之間的氫同位素交換反應),
