The text had discussed influence of the ratios of grain to mother liquor and massecuite consistency on fouling deposit rate, the deposit rate without grain was 20 times or more than that with grain.

• 探讨晶液比和糖膏浓度对积垢形成速率的影响，无晶体存在时积垢率是含有晶体条件的20倍以上。