Sentence examples for ores of uranium from inspiring English sources

Pitchblende, amorphous, black, pitchy form of the crystalline uranium oxide mineral uraninite; it is one of the primary mineral ores of uranium, containing 50 80 percent of that element.

Small traces of plutonium-239, a few parts per trillion, and its decay products are naturally found in some concentrated ores of uranium, such as the natural nuclear fission reactor in Oklo, Gabon.

Autunite, phosphate mineral, hydrated calcium and uranium phosphate [Ca(UO2 2 (PO4)2·10–12H2O], that is an ore of uranium.

Actinium is found only in traces in uranium ores – one tonne of uranium in ore contains about 0.2 milligrams of 227Ac - and in thorium ores, which contain about 5 nanograms of 228Ac per one tonne of thorium.

The mining of most metallic minerals ceased for economic reasons in western Germany before unification; in the 1990s the centuries-old mining and processing of copper ores in the Mansfeld area of eastern Germany and the mining and processing of uranium ores for the benefit of the Soviet Union in the Ore Mountains also stopped.

Uranium mill tailings (UMT) are the crushed ore residues from the extraction of uranium (U) from ores.

The hydrometallurgical processing of uranium ores is frequently preceded by a high-temperature calcination step.

Much use is also made of the so-called direct oxidation-reduction process, whereby PuO2 is reduced with calcium metal to plutonium metal and a calcium oxide slag: The hydrometallurgical processing of uranium ores is frequently preceded by a high-temperature calcination step.

Nuclear energy, an alternative for fossil fuel, is accompanied by the excavation of uranium ores and in turn the use of drilling fluids.

These included discoveries related to X-radiation and purification of uranium ores, which had been made by Bachelder during the course of the war effort.

Increased uranium levels in groundwater are associated with uranium-rich ores and high solubility of uranium under oxidizing conditions in soft and bicarbonate-rich waters (Salonen 1994).