Preoxygenation replaces the primarily nitrogenous mixture of ambient air, which constitutes the patient's functional residual capacity, with oxygen.
这样可以用氧气取代之前被氮气占据
肺泡。
,包围着;
度, 气;;
;;
度；室；周围度空气压力；周围压力噪
空气质量；空气品质光线；背景光
度条件；周围条件照明Preoxygenation replaces the primarily nitrogenous mixture of ambient air, which constitutes the patient's functional residual capacity, with oxygen.
这样可以用氧气取代之前被氮气占据肺泡。
The property that Activated Carbon Fiber (ACF) materials absorb sulfur dioxide in ambient air was studied by the Tetrachlorowercurate (TCM) pararosaniline method.
本文采用四氯汞盐溶液吸收--盐酸副玫瑰苯氨比色法研究了活性碳纤维材料(ACF)对微量二氧化硫等气体吸附性能。
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