The mechanism of hydration processes of partially hydrated magnesium chloride was discussed in this paper. The balance pressure of water vapor during hydration processes of partially magnesium chloride was calculated.

• 摘要对低水合氯化镁的吸水过程进行了初步的探讨，并对低水合氯化镁吸水过程中与水蒸气的平衡分压进行了计算。