The oxygenactivity of converter molten steel directly influences the yield of alloy and quality of steel.
转炉钢水中的氧含量直接影响合金收得率和钢水的质量。
2
The eyeball structures might have recorded the history of oxygenactivity in the mantle and the Earth's core.
因此，眼球构造可能是外地核向地幔释放氧，下地幔内存在氧元素的历史记录。
3
Commander Dylan Schmorrow, a cognitive scientist with the navy, devised a crown of sensors to monitor activity in the brain such as blood flow and oxygen levels.