The new preparation method of Al-Ti-C grain refiner was studied with aluminium ingot,potassium hexafluorotitanate,aluminium powder,hexachloroethane and carbon powder.

提出了利用铝锭、氟酸钾、铝、六氯乙烷和备铝晶粒化剂的新方法。

The hydrothermal synthesis method was adopted to prepare the rutile-type nano-sized TiO2 by using low-cost metatitanic acid as the starting reactant and the monacid as the dressing agent.

酸为起始反应物,一元酸为修饰剂,采用水热合成法备纳米金红石型二氧化。