Early in the Earth's development, the atmosphere contained no oxygen. Yet the iron dissolved in the oceans was oxidized in ...

On the early Earth, the atmosphere did not yet contain oxygen; nevertheless, the iron dissolved in the oceans was oxidized in ...

Alternatively, iron oxide can be mixed with ammonium nitrate in a planetary ball mill; after a few days of milling at 600 rpm, the stainless steel balls decompose the ammonium nitrate into ...

Researchers studied ancient iron-oxidizing bacteria to understand their role in Earth's early iron formations. The study found that nitrate-reducing bacteria produced toxic nitrogen monoxide, ...

The application of these oxidizing agents is to be made to the under surface of the molten iron, so that the oxygen may act from below upward through its mass. The nitrate or chlorate is to be ...

Anaerobic microbial transformations of organic contaminants in sediments and ground water; microbial immobilization of heavy metals; electron transport in metal-reducing bacteria; iron cycling in ...

Metal stocks in India, including shares of the largest merchant iron-ore miner, NMDC Ltd witnessed a jump. In India, the ...

Faced with a shortage of sufficient armoured vehicles, the Russians are attempting to overwhelm Ukrainian positions with ...

Produced in 1921-23 by British film company Stoll Pictures, the 45 episodes of The Adventures of Sherlock Holmes and two ...