The effects of different pretreatment methods on straw powder saccharification yield were investigated.
研究不同预处理方法对稻草粉纤维素糖化率的影响。
2
Process for electrostatic spraying of powder coatings onto bicycle parts was presented. Choice of powder and requirements on pretreatment were discussed.
介绍了自行车零件上粉末静电喷涂的工艺，讨论了粉料的选择和前处理的要求。
3
It is also indicated that pretreatment of rice hull powder under acid condition is helpful to improve its thermostability.