科学家们认为在大气层下存在着一层由碳和氧组成的稀薄地壳。
Under the atmosphere, scientists think there is a very thin crust of carbon and oxygen.
极光的出现缘于太阳风离子与高层大气中的氧氮原子的碰撞。
Auroras happen when ions in the solar wind collide with atoms of oxygen and nitrogen in the upper atmosphere.
而多数行星模型均假设它们和我们太阳系的类地行星相似，即在大气中碳含量是氧含量的一半左右。
Most models of planets assume that they are similar to the terrestrial planets in our own Solar System, with about half as much carbon as oxygen in the atmosphere.
太阳的带电粒子与地球上层的大气相撞，促使氧和氮原子获得能量，然后以极光的形式释放出来。
Auroras occur when charged particles from the sun collide with Earth's upper atmosphere, causing atoms of oxygen and nitrogen to gain energy and then release it in the form of light.
在24亿年前和60000万前年大气中氧的水平的变化方面，他们有一个特殊的兴趣。
They have a particular interest in the jumps in the level of atmospheric oxygen seen about 2.4 billion years ago and 600m years ago.
今天，我们需要保护灵长类，是为了明天的森林能够吸收大气中的二氧碳，防止土壤侵蚀。
We need to protect primates today in order to have forests tomorrow that can absorb carbon dioxide from the atmosphere and prevent the erosion of soil.
科学家认为在大气圈内，存在着由碳和氧较重元素组成的壳层。
Under the atmosphere, scientists think there is a very think crust of carbon and oxygen.
在这个过程中，太阳粒子会同地球大气中的氮原子和氧原子撞击并发出光芒，从而制造出类似于微型霓虹灯效果的极光。
In the process, the particles collide with atoms of nitrogen and oxygen in the Earth's atmosphere, which then glow, creating an effect similar to miniature neon signs.
人们已经看到了从月球反射给我们的地球辐射，可以实际上观察到大气层中的氧、甲烷和臭氧。
People have looked at Earth's radiation reflected back to us from the moon, and you can actually observe the oxygen and methane and ozone in our atmosphere.
平流层大气包含臭氧层，臭氧层由紫外线照射导致的三个氧原子结合成的臭氧分子组成。
The still air of the stratosphere contains the ozone layer, which was created when ultraviolet light caused trios of oxygen atoms to bind together into ozone molecules.
因为天文学家发现了第一个富含碳的系外行星，其大气中碳含量远超过氧含量，而非太阳系的1：2碳氧比。
Because astronomers have found the first carbon-rich exoplanet, with more carbon than oxygen in its atmosphere-instead of the 1 to 2 carbon to oxygen ratio found in our solar system.
据我们所知，地球大气中20%左右的氧含量已保持了亿万年之久。
As far as we can tell Earth's atmospheric oxygen has remained at about 20 percent for hundreds of millions of years.
记得上世纪80年代，亚马逊雨林似乎很快就要在世上消亡了，但难道这会导致大气中的氧含量相应下降，进而使人类受到威胁？
Remember the 1980s, when it seemed the Amazon rain forest wasn't long for this world — and that humanity was threatened as atmospheric oxygen levels correspondingly declined?
通过结合最新的和已有的测量手段，Madhusudhan发现在这颗星球的大气中碳含量要高于氧含量，这可是一个前无古人的发现。
By combining new and existing measurements, Madhusudhan has discovered that there is more carbon than oxygen in the planet's atmosphere, something never seen before.
氧同位素会随着大气水循环而变化，硫同位素则根据地球岩床的不同而变化，通过它们我们就能确定地理位置。
Oxygen isotopes vary with the water cycle, and sulfur with bedrock, so they're location proxies.
氧的来源包括：空气、充氧的水以及其他氧化的大气。
Sources of oxygen include air, aerated water, and other oxidizing atmospheres.
铁生锈是铁和氧元素在潮湿大气中的一种缓慢的化学结合。
The rusting of iron is the slow chemical combination of the elements of iron and oxygen in moist atmosphere.
钢铁材料在大气中的氧腐蚀是人所共知的，人们对它的研究比较透彻。
It is well known that the material of steel is easy to be corrupted by oxygen in the atmosphere and we have studied it fully.
大气热力除氧器广泛应用于工业锅炉的给水除氧。
Atmosphere thermal deaerators are widely applied to supply water deoxygenation of industrial boilers.
新的研究结果否定了这个假设——大气中仅仅存在氧还不能成为搜寻生命的有力证据。
The new results negate that assumption - the mere presence of oxygen in an atmosphere is now not enough evidence to start looking for life.
大气中的氧主要是由植物产生的。
事实上，很多专家认为那么久远之前的氧含量大约只占到大气的2%。
In fact, many experts believed that the oxygen level was only about two percent of the atmosphere so long ago.
在空气中防火的衣服在富氧大气中可能很容易着火。
Clothing which is fire - resistant in air maybe readily ignitable in oxygen - enriched atmospheres.
在空气中防火的衣服在富氧大气中可能很容易着火。
Clothing which is fire - resistant in air maybe readily ignitable in oxygen - enriched atmospheres.
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