The quantity of alkali has been reduced by adding various additives.
通过添加各种助剂，减少了碱的用量。
By adding various additives, properties of new PU sole such as abrasion resistance, oil resistance, electric insulation, antis.
通过增加各种添加剂，使聚氨酯鞋底在耐磨、耐油性、电绝缘、防静电和耐酸碱性能方面有了很大的提高。
Alumina support was treated by adding pore-enlarging additives and hydrothermal treatment respectively to study the effects of various pore-enlarging methods on the pore structure of alumina.
分别采用扩孔剂法和水热处理法对氧化铝载体进行处理，考察不同扩孔方法对氧化铝载体孔结构的影响。
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