It is thanks to the green plants that the air is full of free oxygen.
多亏有了绿色植物，空气中充满了游离氧。
Status: Last year, scientists found a plentiful raw material that can free oxygen from water.
现状：去年，科学家发现大量能把氧气从水中释放出来的原材料。
We, in fact, borrow oxygen or steal oxygen from the air free of charge.
我们事实上免费从空气中,借或者偷氧气。
Oxygen use produces oxygen-free radicals that can destroy an organism.
氧消耗可以产生氧自由基，其可以引起机体破坏。
Oxygen free radicals can result in aging and diseases in animal body.
氧自由基可引起动物体衰老及疾病的产生。
In humans, the most common form of free radicals is oxygen.
在人体中，最常见的是氧自由基。
But most of them shows the desulfurization of SO_2 in oxygen free gas.
但大部分研究仅限于无氧尾气中SO_2的脱除。
Objective To study the role of oxygen free radicals (OFR) in irreversible shock.
目的探讨氧自由基在低血容量休克难治期的作用。
Oxygen use produces oxygen-free radicals that can destroy an organism.
氧气的消耗会产生能够破坏生物的氧自由基。
It is ductile only when it is free of oxygen.
只有当它是氧自由基，它是韧性。
Oxygen free radicals are middle products of the normal metabolism in human body.
氧自由基是机体正常代谢的中间产物。
CONCLUSION: Compound 1 had a good activity on suppressing oxygen free radical damage.
结论：化合物1具有明显抗氧自由基损伤的作用。
氧化损伤；
氧化损伤；
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