含氧的有机化合物。
从另一个方面来讲，一种理想化的燃料是不含氧的。
乙醇作为一种含氧的添加剂可以改善柴油机的燃烧。
The chemical agent ethanol, which is used as an oxygenated additive to diesel fuel, improves combustion characteristics of diesel engines.
污染物附着在膜的表面，其主要成分是含氧的有机化合物。
The main ingredients of the pollutants adhered to the membrane surface are oxygen-containing organic compounds.
能抵抗含氧的化合物、含芳香烃的溶剂及含氯的溶剂的侵蚀。
Erosion resistance and oxygen containing compounds containing aromatic solvent and chlorinated solvent.
向心肌提供富含氧的血液的工具，以满足心肌需要，并维持组织健康。
Vessles that provide the heart muscle with the oxygen-rich blood it needs to keep its tissues healthy.
如果这个理论成立，意味着这种细菌能够适应从缺氧到含氧的海洋环境。
If that is the case, the species was able to adapt from anoxic, or oxygen depleted, environments to an era of oxygenated oceans.
碳酸二甲酯(DMC)是市场上一个强有力的竞争者，它能帮助炼油业满足清洁空气法案对汽油中含氧的规格。
Dimethyl carbonate (DMC) is a strong contender to help the refining industry meet the Clean Air Act specifications for oxygen in gasoline.
如果水是以这种方式生成的话，那么在整个太阳系内部所有无空气但表面上存在富含氧的矿物的行星上，都可能生成水。
If water is created in this way, it could happen on all airless planets throughout the inner Solar System that have oxygen-rich rocks scattered on their surfaces.
潮湿和干燥条件的交替波动表明，月球上每天都在生成水——太阳风中的氢原子核与月球表面富含氧的硅酸盐矿物相撞而成。
The waves of damp and dry conditions suggest water is created on the moon every day, when hydrogen nuclei in the solar wind slam into oxygen-rich silicate minerals on the moon's surface.
雨水浸透的土壤比干燥的土壤含氧量少。
当水从海洋表面蒸发时，往往会留下较重的同位素，所以剩余的海水会逐渐富含氧18这种同位素。
Heavier isotopes tend to be left behind when water evaporates from the ocean surfaces, the remaining ocean water becomes progressively enriched in oxygen 18.
然而我们现在知道了，由于中生代空气的含氧量比我们想象的要低得多，所以蜥脚类动物可食用的植物也比我们想象的要少得多。
However, we now know that since oxygen levels were much lower in the Mesozoic than we assumed, there was much less plant life for sauropods to eat than we thought.
这是一个可以与我们在1976年发明的用于催化转化器的含氧传感器相媲美的突破。
It is a breakthrough comparable to our invention of the lambda sensor for the catalytic converter in 1976.
这两处地区水的含氧量不足以维持鱼类的生存。
这就意味着含氧量的减少很大程度上取决于我们烧了多少的化石燃料。
That means the drop in oxygen will depend largely on how much more fossil fuel we burn.
水中的含氧量很高，所以你不会有任何呼吸方面的问题。
The level of oxygen is very high in water, and you will not have any breathing problems.
太阳系中没有另外一个具有含氧大气的星球，而含氧大气则是地球的另一个特征的至关重要的前提，这个“特征”就是我们——生命。
Nowhere else in the solar system can one find an atmosphere loaded with free oxygen, which ultimately proved vital to one of the other unique features of Earth -us.
太阳系中没有另外一个具有含氧大气的星球，而含氧大气则是地球的另一个特征的至关重要的前提，这个“特征”就是我们——生命。
Nowhere else in the solar system can one find an atmosphere loaded with free oxygen, which ultimately proved vital to one of the other unique features of Earth - us.
为了验证这个想法，她和同事们设计了一种设备，利用短脉冲电使周围空气离子化，产生紫色富含氧离子的等离子火焰。
To test this idea, she and her colleagues designed a device that USES short pulses of electricity to ionise the surrounding air, creating a purple plume of plasma rich in oxygen ions.
的确，人类的活动导致全球空气中的含氧量在以稳定的，可以测量到的幅度下降。尽管如此，但这种下降是微乎其微的。
It is true that human activity is causing a steady, measurable decline in the oxygen content of the world's air, although as yet this decline is negligible.
在这个过程中，他们发现了心血管系统里的新成员，包括那些不是为大脑提供富含氧气血液的物质。
In the process, they are uncovering new roles for the cardiovascular system, including ones that go beyond supplying the brain with plenty of oxygen-rich blood.
当人的呼吸暂停时，血液中的含氧量会降低。
When a person stops breathing, oxygen levels in the blood decrease.
伯奈尔的模型暗示，如果含氧量降到15%，这情况会很难想象，因为火在那样的含氧量条件下是不能燃烧的。
This would be difficult to explain if oxygen levels fell below 15 per cent, as Berner's model suggests, because fires should not occur below this level.
海水温度的升高同样是个威胁：温水的含氧量比冷水低。
Rising ocean temperatures arealso a threat: Warm water holds less oxygen than cold water.
由于严峻的干旱导致的马拉·奎利河水中含氧量缺乏导致了河中数以千计的鱼死亡。
Plummeting water oxygen levels due to a severe drought have led to thousands of fish dying along the Manaquiri River.
自由基(极具化学反应性的含氧分子)的聚集，至少在某种程度上，使恶性肿瘤的生长如同加了燃料一般。
The growth of cancerous tumors is fueled, at least in part, by the buildup of free radicals-highly reactive oxygen-containing molecules.
所以，大气含氧量由这些物质的深埋和掘出的平衡关系所决定。
So oxygen levels can go down as well as up, depending on the balance between burial and exhumation.
所以，大气含氧量由这些物质的深埋和掘出的平衡关系所决定。
So oxygen levels can go down as well as up, depending on the balance between burial and exhumation.
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