Rare earth perovskite-type oxide catalyst as a substitute for traditional rare metal catalyst has a great potential to purify automotive emission due to good catalytic activity and low cost.
钙钛矿型稀土氧化物催化剂具有较好的催化活性，成本低廉，在替代传统的贵金属催化剂净化汽车尾气方面潜力巨大。
Among these, all-solid-state lithium micro-battery may be one of the promising power sources because lithium is the lightest metal and has a low potential to provide high energy density.
其中微型全固态锂电池被认为是最合适的电源之一，因为锂是最轻的金属元素，同时电负性最大，能够提供高比能量。
One important characteristic of hot metal dephosphorization with low basicity slag is to form low basicity, high oxygen potential slag.
低碱度渣铁水预处理脱磷的一个主要特点是形成高氧势、低碱度炉渣。
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