当吸入氧浓度为4%时，心肌超微结构出现明显地不可逆性改变。
When the concentration droped to 4%, an irreversible change in the myocardium ultrastructure was obviously observed.
但不同吸入氧浓度对氧储备和呼吸功能的影响如何，目前尚不完全清楚。
About how different fraction of inspired oxygen effected oxygen reserves and how different fraction of inspired oxygen effected respiratory function is unknown so far.
火场氧浓度降低、大量烟气遮挡视线和吸入毒性气体是造成火灾中人员无法逃生而窒息死亡的三大主要因素。
Reducing of oxygen concentration, smoke that obscured vision and toxic gas inhalation are three major factors that cause people in fire unable to escape and result in the suffocation deaths.
目的研究半紧闭麻醉时不同氧流量对异氟醚吸入和呼出浓度的影响。
Objective To evaluate the effects of oxygen flow on inspired and expired isoflurane concentration during partly closed circuit anesthesia.
目的研究半紧闭麻醉时不同氧流量对异氟醚吸入和呼出浓度的影响。
Objective To evaluate the effects of oxygen flow on inspired and expired isoflurane concentration during partly closed circuit anesthesia.
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