A new type of Y-base heavy rare earth modificator was developed.

研制了一种钇基重稀土变质剂。

The result showed that titanate modificator is better than siloxane and PVA (polyvinyl alcohol).

实验表明，钛酸酯的表面修饰效果优于聚乙烯醇和硅氧烷。

The experiment results showed the structure was refined and the properties were enhanced after adding modificator, such as rare-earth ferrosilicon.

采用稀土硅铁、低碳铬铁和复合变质剂对中铬铸铁进行变质处理后，组织细化、性能提高；

The effects of compound modificator on microstructure, mechanical properties, wearing properties and damping properties of ZA27 alloy have been studied.

研究了复合变质剂对ZA2 7合金组织、力学性能、耐磨性和阻尼性能的影响。

The effects of RE compound modificator on the mechanical properties and microstructure of high carbon high speed steel used for roller ring were investigated by SEM, EDS and EPMA.

通过扫描电镜、能谱分析仪和电子探针研究了稀土复合变质剂对离心铸造的高碳高速钢轧辊组织和力学性能的影响。

In the present paper, the first experiments that restrained segregation of the casting of high leaded bronze by means of modificator consisted of lithium chloride or strontium chloride is reported.

本文首例报告了用氯化锶或氯化锂作变质剂抑制高铅青铜铸件偏析缺陷的试验。