Sentence examples for metal ore from inspiring English sources

Ferroalloys are prepared from charges of the nonferrous metal ore, iron or iron ore, coke or coal, and flux by treatment at high temperature in submerged-arc electric furnaces.

Despite the increased importance of metal within Bronze Age economies, there is no evidence that Transylvanian communities placed their settlements to maximize their ability to contest or secure access to the metal ore sources in the Apuseni Mountains.

Beneficiation, removal of worthless particles from pulverized metal ore.

Forge, open furnace for heating metal ore and metal for working and forming.

In modern ore treatment, various preliminary steps are usually carried out before smelting in order to concentrate the metal ore as much as possible.

Indonesia, rich in resources, is imposing a tax of 20 percent on some metal ore exports and will prohibit shipments of raw minerals unless miners submit plans to build smelters.

84%–89% for metal ores; backfire for non-metallic minerals (147%–134%) and extreme backfire for water (1191%–1628%).

Many important metal ores are compounds of sulfur, either sulfides or sulfates.

In order to produce ammonium paratungstate (APT), an intermediate compound in production of the pure metal, ores may be decomposed by acid leaching or by the autoclave-soda process.

Reserves of nonferrous metal ores are smaller and more scattered.

These archea, the researchers discovered, are able to transform sulfides in metal ores into sulfuric acid.