Using the hydrogen flame polar capillary vessel gas phase chromatography to replace the original packingcolumnmethod, isobutyl alcohol in waste gas was determined.
采用氢火焰极性毛细管气相色谱法代替原来的填充柱法，测定空气和废气中的异丁醇。
2
The design method for optimizing an absorption unit in chemical processes is discussed and a process approach for optimizing a plate or packingcolumn is proposed.
本文探讨了化工过程中吸收装置设计的优化途径，提出对板式或填料吸收装置施行优化设计的工艺方法。
3
The wet method of packingcolumn is decided by comparing dry method and wet method.