Separation of a liquid solution (homogeneous mix) into its components through evaporation and condensation. In a fractionary distillation the process is repeated several times in a column.

• 14通过采用蒸发和冷凝的方法，使均匀混合的液体溶液中的各个组分分离出来。在蒸馏过程中，蒸发和冷凝这个步骤反复进行了很多次。