本文论述了松香在蒸馏过程中，不同蒸馏阶段的馏出物的电性能。
The electric properties of distillates from various stages of rosin distillation were studied.
间歇式蒸馏时，原料的成分、所蒸馏的化合物的蒸汽及蒸馏物在蒸馏过程中是变化的。
In batch distillation, the composition of the source material, the vapors of the distilling compounds and the distillate change during the distillation.
通常添加不到4%的酒精在蒸馏过程中，可以达到更好的乳化精油的作用，并且可以延长成品的保存期限。
Some up to 4% of ethyl alcohol is added during the distillation process and it serves to achieve better emulsification of the oil and to some extend for preserving of the finished product.
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