Sentences with phrase «fed by hydrogen»

Fuel cells, essentially continuous batteries, can be fed by hydrogen extracted from methane.
From the original description, the team knew they were looking for a nova eruption — an extremely powerful explosion, where a white dwarf is fed by hydrogen from a nearby star.

Not exact matches

Janeway also objected to a policy rider that would restrict disclosure of toxic and hazardous air pollution, including ammonia or hydrogen sulfide, released by Concentrated Animal Feeding Operations in rural communities.
And if hydrogen is fed into a fuel - cell stack — a batterylike device that generates electricity from hydrogen and oxygen — it can propel an electric car or truck with only water and heat as by - products [see «On the Road to Fuel - Cell Cars,» by Steven Ashley; Scientific American, March 2005].
Mark, who focuses on the Andes region, developed a method of determining how much of a community's water supply is glacier - fed by analyzing the hydrogen and oxygen isotopes in water samples.
Unfortunately, the other great hope for vehicles that exhaust no carbon — those powered by hydrogen - fed fuel cells — remains too pricey for broad sales.
The company EcoVerde, by Mexican Humberto Uribe Luis Lobo, designed a new filtration system that removes odor and other pollutants from wastewater through a biological process based on bacteria that feed on hydrogen sulfide, a substance characterized for a rotten egg - like stench.
Not only can they hide from mackerel amongst the jellies» stinger - covered tentacles when they rise from the seafloor to feed and digest at night, they can also survive for hours within the ocean floor's low - or no - oxygen muds, which are pervaded by poisonous hydrogen sulfide gas — an inhospitable place lacking any other vertebrate species.
He also took exception to a claim made by the authors in a Nature Communications press release and in the paper itself that this study is the first to show that serpentinization could generate enough hydrogen to feed microorganisms.
The new concept, described as being «halfway between a competition prototype and a production supercar,» is powered by two race - specification electric motors, fed by a lightweight hydrogen fuel cell.
One intriguing large - scale hydrogen economy idea is an ambitious proposal for a gas pipeline across NE Asia, to be fed with hydrogen gas (plus some methane) produced by power from wind and geothermal energy sources, and in particular the large wind energy potential that exists along the Aleutian Islands and Kamchatka Peninsula.
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