cationics造句

• Cationics are usually quaternary ammomium salts .
  阳离子表面活性剂通常为季铵盐类。
• Study on oil displacement mechanisms of quaternary cationics
  季铵盐型表面活性剂的驱油机理研究
• As for fine - grained ta - nb mineral , the flotation is generally adopted , and effective collectors is fatty acids , arsenic acids , phosphonic acids , hydroximic acids and cationics
  对细粒钽铌矿，一般采用浮选，其中比较有效的捕收剂有脂肪酸类、胂酸类、膦酸类、羟肟酸类和阳离子型捕收剂。