It is necessary to research a new method of SPFS preparation by solid reaction process with industrial scrap iron powder.
有必要探索由工业废铁粉经固相反应直接制取固体聚合硫酸铁的工艺。
The technologies for silver recovery from Ag scrap and preparation of Ag products are summarized.
综述含银废料中银的综合回收和利用工艺。
The invention relates to a preparation method of a scrap rubber powder-hard rubber composite reinforced by waste fibers from rubber reclaiming.
本发明涉及一种利用橡胶再生废纤维增强废胶粉硬质橡胶复合材料的方法。
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