判断了钒氢化物的稳定性； 说明了氢含量对V-H体系相组成的影响。
The stability of hydrides and phase transitions of V-H system are discussed with enhancement of hydrogen concentration in the cell.
固体表面吸附的氢同位素具有自发与气相氢同位素交换并达到某种程度平衡的性质，这种交换作用在金属氢化物表面同样存在。
The hydrogen absorbed on solid surface can exchange with its isotopes in gas phase until equilibrium achieved. Such characteristic exists in metal hydride-hydrogen system, too.
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