The high content of potassium and proper content of calcium and magnesium in tobacco leaf have good effect on the quality of Flue-cure tobacco.
烟叶高含量的钾、适宜的钙镁含量对烟叶品质有良好的作用。
2
Studying the absorption characteristic of SO2 flue gas is the base of online monitoring. The temperature and pressure have different effect on absorption cross-section.