If breathing carbon dioxide seems uninviting, the density of the air will appear worse.
如果说呼吸二氧化碳令人生厌的话，那么空气的密度就显得更为糟糕。
This occurs because during NREM sleep the automatic, metabolic system has exclusive control over breathing and the body uses less oxygen and produces less carbon dioxide.
这是因为在非快速眼动睡眠中，自动的新陈代谢系统对呼吸有排他的控制，身体消耗更少的氧气，产生更少的二氧化碳。
Only after several inadequate breaths under such conditions, resulting in the considerable elevation of carbon dioxide and reduction of oxygen in the blood, is breathing effort adjusted.
在这种情况下，只有在几次呼吸不足出现，导致血液中二氧化碳大量增加和氧气减少后，呼吸的力度才得到调整。
If the theory was correct, breathing air with extra carbon dioxide should have triggered yawning, while breathing pure oxygen should have suppressed yawning.
如果这个理论是正确的，那么吸入含有额外二氧化碳的空气应该会引起打哈欠，而吸入纯氧应该可以抑制打哈欠。
Moscow's air is polluted at the best of times, but this smog, heavy with carbon monoxide, makes breathing difficult.
莫斯科的空气，在最好的时候是受到了污染，而这种烟雾里含有大量的一氧化碳，让人呼吸困难。
Carbon dioxide is continually entering the air as a result of burning and breathing, but it is also continually leaving the air by uniting with the rain, the oceans, rocks.
二氧化碳由于燃烧和呼吸连续不断地进入空气中，但它通过与雨水、海洋、岩石和土壤结合又不断地离开空气。
Conversely, slowing down your breathing causes you to release less carbon dioxide, which lowers your pH making it more acidic and less alkaline.
反过来，放缓你的呼吸会引起你释放更少的二氧化碳，这回降低你的PH值使其更酸和更少碱性。
This will happen within two hours of breathing in this amount of carbon monoxide.
这将发生在这两年内一氧化碳量的呼吸时间。
Such issues are drawing international concern, because Beijing's high levels of carbon monoxide and nitrogen dioxide could cause breathing problems for Olympic athletes.
这些问题引起了全球关注。由于北京空气中的一氧化碳和二氧化氮浓度很高，会给运动员的呼吸系统带来伤害。
Here is anthracotic pigment in macrophages in a hilar lymph node. Anthracosis is nothing more than accumulation of carbon pigment from breathing dirty air.
由于呼吸污染空气导致的碳末沉着症并不多见，吸烟会引起更明显的碳末沉着症。
The CNS must determine how much to increase breathing rate to adequately supply the body with oxygen, while expelling used up oxygen in the form of carbon dioxide.
中枢神经必须决定呼吸频率提高多少才能给身体提供足够的氧，同时排出耗氧后产生的二氧化碳。
Mitochondria of cells in the breathing apparatus, through the consumption of oxygen to produce carbon dioxide.
线粒体是细胞中的呼吸器，通过消耗氧气来产生二氧化碳。
When babies sleep face-down or have their faces covered by bedding, they are thought tore-breathe exhaled carbon dioxide, therefore breathing in less oxygen.
当孩子脸朝下睡眠或者他们的脸被被褥盖住的时候，他们把呼出的二氧化碳再一次呼入，因此呼入了较少的氧气。
Firemen must wear protective clothing, wearing breathing apparatus, in the wind. Suitable extinguishing media: Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
消防人员必须穿全身防护服，佩戴呼吸设备，在上风向灭火。用水雾，泡沫，干粉或二氧化碳灭火。
ASODD provides an extra inlet port to provide for an uninterrupted air supply should Carbon Monoxide condition exist in your Breathing air supply.
一个进气孔用于空气不间断的流入，检测呼吸空气的一氧化碳含量。
Absorbent carbon breathing filter for air flow and dust-free inside.
灯内装呼吸器，确保空气的流畅及防止灰尘进入。
I hate breathing in all of that carbon monoxide while riding my bike around the city.
我很讨厌在城里骑自行车的时候，不断的吸入汽车排放的一氧化碳。
I hate breathing in all of that carbon monoxide while riding my bike around the city.
我很讨厌在城里骑自行车的时候，不断的吸入汽车排放的一氧化碳。
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