A lustrous, blackish - brown rare earth mineral consisting primarily of cerium , erbium , titanium , uranium, and yttrium.一种红褐色矿物, 含稀土金属, 是钍和铈的主要来源.The titanium ascorbate was the substance of low toxicity to fish, shellf...
The body is 90% titanium for ruggedness.为了实现优良的耐用性，主体部分90％采用钛金属制造。The company produces titanium alloy.该公司生产钛合金。The reactions are conveniently studied using a solution of titanium choloride.用氯化钛溶液可以很方便地研究钛的反应....