So the critical point drying method is better than the natural drying method for palynology research. 进行孢粉学研究，临界点干燥法优于自然干燥法。
In spray drying, a droplet of slurry of CaOH is introduced from the top, and a dry product results, after its contact with flue gas. 在喷淋干燥法中，氢氧化钙浆状物的液滴从燃烧炉的顶部加入，与燃烧废气接触后，变为干燥物。
