available oxygen content 有效氧含量
He reasoned that iron took on more or less oxygen in response to conditions in the kimberlitic magma itself—mainly in response to heat and the available oxygen.
他推断,铁吸收或多或少的氧气是由于金伯利岩浆本身的条件——主要是由于热量和可用的氧气。
Our first explosion used up the available oxygen in the combustion chamber and it needs to be refreshed.
我们的第一次爆炸中使用了燃烧室提供氧气,它需要被刷新。
This accelerated growth also reduces the amount of oxygen available to other plant and animal species in the affected area; raising fears that it could destabilise fragile Marine ecosystems.
加速的增长减少了可供应给其他动植物的氧气量,特别是受灾区域;大大影响了海洋生态系统的平衡。
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