By using special pretreating method before plating aiming at the characteristics of good chemical stability and hydrophobic behavior of PP.
针对PP化学稳定性好、憎水性强的特点,采用了特殊的镀前处理方法。
A pretreating method for waste nylon 6 short fiber was proposed to improve the adhesion between short fiber and waste PP matrix and the dispersion of short fiber in matrix.
出一种废尼龙6短纤维预处理方法。采用这种方法能提高短纤维与废pp基质的粘合性能并改善短纤维在基质中的分散。
Another pretreating method was that the sample was dissolved in nitric acid and perchloric acid. It proved that the method was simple and convenient with accurate results.
介绍了用硝酸及高氯酸处理试样后进行铁、铜含量的测定分析,方法简便,回收率高,分析结果令人满意。
Compared with common sample pretreating method of organic solvent extraction, this method showed the advantages of simple procedure, very little loss of analyzed sample, rapidity and sensitivity.
相比目前常用的有机溶剂萃取的样品处理方法,该方法显示了步骤简单、待分析物损失量小和快速灵敏的优点。