chemical

So Regier and colleagues examined diamonds that formed in the crust, upper mantle and lower mantle, hunting for the chemical traces of subducted crust.

Methane (chemical formula CH4) is one of the simplest hydrocarbons, which literally means “containing hydrogen and carbon.”

Lakes on Titan are full of methane, and the chemical is a major component of the giant planets Jupiter, Neptune, and so forth.

One chemical test involves measuring the relative amount of deuterium in water.

“Almost all of our human activities leave a chemical trace in the water,” says Alm.

With scarlet lips and chemical red hair, the erstwhile agent is still making headlines in the West.

You said that you were the proprietor of the chemical company in town.

For this and his former work the name of Davy ought for ever to be inseparably united with the discovery of chemical electricity.

Another incident is reported from some chemical works in the North.

The life of the negative plates will be very considerable, because no chemical action is going on in the negative plate.

On the contrary, I think that, even from the chemical point of view, a piece of meat is better than a piece of bread.