Some wires, made of cobalt oxide and gold, become the negative poles of the battery.
He welded them together and applied a patina of iron oxide.
More than three-quarters of agriculture's nitrous oxide emissions result from manmade fertilizers.
Thick- ness of backing and oxide coating must be constant.
Among the gases available for inhaling was nitrous oxide.
Nitric oxide, a soluble gas, is a natural chemical in the body that relaxes smooth muscles and expands blood vessels.
Packed inside the zirconium cladding are pellets of uranium oxide or other fissionable materials.
Some people with low tolerance for the ultrasonic probe may wish to request nitrous oxide.
Other greenhouse gases emitted by natural and artificial sources also include methane, nitrous oxide, and fluorinated gases.
Rubies are formed of a mineral called corundum, comprised of aluminum oxide.