Sentence examples for ores by from inspiring English sources

The element was discovered in 1803 in the acid-insoluble residues of platinum ores by the English chemist Smithson Tennant; the French chemists H.-V. Collet-Descotils, A.-F. Fourcroy, and N.-L.

In Agricola's day, chemical knowledge was almost nonexistent, and there was no proper chemical analysis (other than analysis of ores by the use of fire), so the classification of ores was necessarily crude.

The separation of metallic zinc from its ores by pyrometallurgy is much more difficult than with other common metals, such as copper, lead, and iron, because the reduction of zinc oxide by carbon (C) proceeds spontaneously only above the zinc boiling point of 907° C (1,665° F).

Uranium can be recovered from low-grade ores by leaching with dilute sulfuric acid oxidizing if necessary to convert uranium(IV) to uranium VI and then absorbing the negatively charged uranium sulfate complex ions on a quaternary-base anion-exchange resin.

For the biooxidation, the zinc dissolution from the sulfide ores by the adapted bacteria was examined.

In bioleaching of sulfide ores, the chemical dissolution rate of sulfide ores by ferric ions was very slow.

Naturally occurring technetium occurs as a spontaneous fission product in uranium ore or by neutron capture in molybdenum ores.

Gold can be freed from these ores or concentrates by treating them with various oxidizing processes.

The desired metallic element is then extracted from the ore by various smelting, roasting, or leaching processes.

Iddo Geva proposed "Ore by Stock" (and related it to the coal town in the novel).

Hordes of freelance miners scrabble for ore by hand, wash it in a river and sell it to local smugglers.