copper-free oxide superconductor 非铜基氧化物超导体
free calcium oxide 游离氧化钙
high free oxide calcium clinker 高游离氧化钙熟料
oxide free extrusion 无氧化物挤压
free iron oxide 游离氧化铁
oxide free radical 氧自由基
oxide-free [化学] 不含氧化物
lead-free zinc oxide 无铅氧化锌
free ferric oxide 游离氧化铁
The relationship between free oxide and soil development in south western district of China is also discussed in this paper.
为此，本文仅就西南红壤和黄壤中氧化物及游离氧化物进行了初步探讨。
Lithium cobalt oxide accounts for 30% of the cost of a lithium-ion battery. Air, however, is free.
锂钴氧化物的成本占到锂离子电池的30%，而空气却是免费的。
The technology should result in cheaper batteries since this process is free and the carbon component is less expensive than the lithium cobalt oxide used in lithium-ion batteries.
该技术应导致更便宜的电池，因为这个过程空气是免费的，而且碳“成本”是低于锂钴氧化物中使用的锂离子电池。
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