1. SY-BL energy saving alum billet heating furnace is an equipment which is necessary for alum profile factory and alum profile company. 铝型材短棒加热炉SY-BL SY-BL节能铝棒加热炉是一种铝型材生产厂家及铝型材企业必备的铝材生产装置。
3. Ammonium ferrous sulfate; Sulfuric acid, ammonium iron(2+) salt (2:2:1); ammonium iron sulfate; ammonium iron … 硫酸亚铁铵;硫酸亚铁(2+)铵(2:1:2);亚铁铵矾香港。
4. To evaluate the properties of alum and PAC used as aids of sizing, drainage and retention, it is necessary to study the charge characteristic of the stock added alum and PAC. 添加硫酸铝和聚合氯化铝的纸浆的电荷特征,是决定铝化物发挥功效的重要因素。
5. Conclusion: Alum and dried alum have significant bacteriostatic effect in… 结论:白矾及枯矾在体外有明显的抑菌作用。