In the study, they made use of a common gas, hydrogen sulfide.

It is the result of a test for hydrogen sulfide.

In particular, we are certain that they did not contain hydrogen sulfide.

Hydrogen sulfide is also involved in the disease process of type 1 diabetes.

They can usually be found in habitats that have high levels of hydrogen sulfide.

People were sure it was the hydrogen sulfide they smelled.

Hydrogen sulfide, another highly toxic gas, may also be present.

But the amount of hydrogen sulfide must be considerable to produce this effect.

The film of silver is due to its high sensitivity to hydrogen sulfide.

I am not a medical doctor or a health adviser but the problem of hydrogen sulfide in sewage is a well known one.

The worm provides the bacteria with hydrogen sulphide and oxygen.

The second surprise was that the hydrogen sulphide appeared not to be in thermodynamic equilibrium with the rest Of the atmosphere.

The hydrogen sulphide is highly toxic, but easily detected by smell.

The rotting leaves produced large quantities of hydrogen sulphide, a toxic gas.

A thermal spring is marked on the map; a powerful smell of hydrogen sulphide identifies the spot.

Apparently they were thriving on hydrogen sulphide from the rotting beams of the ship.

He walked right into a leak of hydrogen sulphide; not enough to bother anyone else, but it got him.

"It was hydrogen sulphide that killed him when he was checking on the process."

New Earth: Once had an atmosphere of hydrogen sulphide.

Moreover it was known as a common fact that the odour of hydrogen sulphide is quite bearable.