With the devolopement of titanium industry, shortage of natural rutile has encouraged research efforts to convert synthetic rutile into ilmenite for the titanium produts.
英
美
- 随着钛工业的发展,钛品位较高的天然金红石资源日趋枯竭,这就迫使人们开发利用储量丰富的钛铁矿资源。