让病患坐立，并用非再吸入面罩给予高浓度氧气。
A. sitting the patient up; giving high-concentration oxygen by non-rebreather mask.
对其灵敏度特性曲线的研究表明：该器件不仅对低浓度氧气敏感，而且对高浓度氧气也敏感；
Investigation in the Characteristic curve of sensitivity indicated that the devices are susceptible to not only low concentration oxygen but also high concentration oxygen.
高浓度下，通过减少心脏和大脑中的氧气，一氧化碳会危害人体健康。
In high concentrations, carbon monoxide can harm human health by reducing oxygen to the heart and brain.
大气中若含有高浓度的甲烷，而使氧气浓度降至19.5%以下时，就会使人体产生窒息的危险。
If high levels of methane reduce oxygen concentration in the atmosphere to below 19.5% then asphyxia can occur.
在杆状细胞死亡后，视网膜的氧水平上升，这种作用显示逐渐杀死锥体细胞的是高浓度的氧气。
After rods die, the level of oxygen in the retina goes up, and this work shows that it is the high oxygen that gradually kills the cones.
提出了高浓度臭氧气体消毒剂和高强度紫外线联合作用消毒口腔手机的新方法。
A new method for the sterilization of dental hand-piecxes by the joint action of a high-concentration gaseous ozone sterilizing agent and high-intensity ultraviolet ray has been put forward.
具有高效率、低功耗、在小体积，只需风冷的条件下即可产生高浓度臭氧气体。
With high efficiency, low power consumption, small size, only under the conditions of air cooling can produce high concentrations of ozone gas.
具有高效率、低功耗、在小体积，只需风冷的条件下即可产生高浓度臭氧气体。
With high efficiency, low power consumption, small size, only under the conditions of air cooling can produce high concentrations of ozone gas.
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