For example, mercury sulphide, known to painters as vermilion, has a small band gap.

例，硫化汞，被画家称为朱红色，有一个小的带隙。

He noted, for example, that hydrogen sulfide would have been much harder to find on planets that are further away.

他指出，例，远的行星上，硫化会难被发现。

They're found in places with very little oxygen and lots of hydrogen sulfide, such as within marine sediments, inside groundwater, or deep beneath the soil.

它们被发现氧气少而硫化的地方，例海洋沉积物、地下水内部或土壤深处。

Sometimes the chimneys are called white or black smokers because the erupting fluids full of minerals look like smoke rising out of the towers, but the whole accumulations are known more formally as massive sulfide deposits.

有时烟囱被称为海底白烟囱或黑烟囱，因为充满矿物质的喷发流体看起来像从塔中升起的烟雾，但整个堆积物正式的名字是块状硫化物矿床。