Hydrogen sulphide gas bubbles up from oil deposits in the Earth's crust.

硫化氢气体从地壳内的油气储层溢出。

They found hydrogen sulphide levels decreased in 80% of participants.

他们发现受试者口腔内的硫化氢含量降低了80%。

The hydrogen sulfide reacted with oxygen in rainwater moving through the rock.

硫化氢与流过石的雨水的氧气反。

Which is about a fifth as much H2S as you'd need to have stank breath.

而五这种浓度的硫化氢才会产生口臭。

The hydrogen sulphide that these men must breathe in is 40 times the safe level.

他们吸进的硫化氢是安全限度的四十。

But, as they watched the beakers, a bunch of the hydrogen sulfide seemed to be disappearing.

但是，当他们观察烧杯时，一束硫化氢似乎正在消失。

The action of oil and natural gas created hydrogen sulfide in the limestone.

石油和天然气的作用在石产生了硫化氢。

But the exoplanet was previously not thought to hold hydrogen sulfide.

但是，这颗系外行星此前被认为并不存在硫化氢。

Jupiter, too, has small amounts of hydrogen sulfide in its atmosphere.

木星的大气层也有少量的硫化氢。

That distribution gives the sensor the sensitivity it needs to detect trace amounts of H2S.

这种分布方式让传感器拥有了检测微量硫化氢所需的灵敏度。

The gas is a hydrogen sulphide mix that corrodes every surface it lands on.

这种气体是一种硫化氢的混合物，其所到之处，必受腐蚀。

They're also monitoring the air for traces of hydrogen sulfide and sulfur dioxide.

他们还在监测空气硫化氢和二氧化硫的痕迹。

Second, it's about what scientists say they've detected in the planet's clouds, hydrogen sulfide.

其次，这是家所说的，他们在地球的云层发现了硫化氢。

So, in this case, the hydrogen sulfide could have lost electrons in a redox reaction.

因此，在这种情况下，硫化氢可能在氧化还原反失去了电子。

To test the device, the researchers puffed it with different concentrations of hydrogen sulfide gas.

为了测试这个设备，研究人员使用了不同浓度的硫化氢气体。

It warned some communities about high levels of hydrogen sulfide gas escaping from the rotting algae.

它警告一些社区注意从腐烂的海藻释放出的高浓度的硫化氢气体。

These gases are a death filled cocktail of hydrochloric acid, hydrogen, hydrogen sulfide, and sulfur dioxide.

这些气体是由盐酸、氢气、硫化氢和二氧化硫混合而成的致命混合物。

These sediments were anoxic, or poor in oxygen, and they were also full of hydrogen sulfide.

这些沉积物是缺氧的或含氧量很低的，并且它们充满了硫化氢。

The earliest Earth was full of hydrogen, of hydrogen sulphate, had a lot of methane, some carbon dioxide.

最初地球上充满了氢、硫化氢甲烷以及一些二氧化碳。

Like hydrogen sulfide, which smells like rotten eggs.

比如硫化氢，闻起来像臭鸡蛋。