Sentences with phrase «century of ammonia»
How a century of ammonia synthesis changed the world.
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Over a quarter - century, the frozen ammonia - cyanide blend had coalesced into the molecules of life: nucleobases, the building blocks of RNA and DNA, and amino acids, the building blocks of proteins.
A number of ammonia plants using hydroelectric electrolysis operated in the last half century, but most have closed, being supplanted by cheaper methane reformation.