They said that their experiments showed that raising or lowering oxygen and carbon dioxide levels in the blood did not produce that reaction.
2
身体中氧气和二氧化碳的置换功能开始增加，而且身体开始运送营养物质到肌肉中去。
Your body's ability to exchange oxygen and carbon dioxide increases and it can deliver nutrients to your muscles.
3
本论文在参考相关文献的基础上，对甲烷、氧气和二氧化碳催化氧化重整制合成气镍基催化剂进行了研究。
Based on correlative references, catalytic oxidation and reformation of methane, carbon dioxide, and oxygen to synthesis gas by Ni-based catalysts was studied in this paper.
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