Sentence examples for main metals from inspiring English sources

The main metals of concern at WDP1 were copper, cadmium, zinc and manganese.

Exchange stocks for all the main metals have declined sharply over the last two years, most particularly for copper, lead, tin and nickel.

Of particular concern are situations where new deposits enter production for their respective main metals, which contain no or insignificant amounts of the critical metal of interest.

The content of total organic carbon and total nitrogen is generally higher in Norway, while the levels the main metals of concern, aluminium (Al) and iron (Fe), show large between-site variability in both countries.

The precipitation of evaporitic sulfate salts during the dry season and the subsequent re-dissolution after rainfall control the fluxes of acidity and main metals (i.e. Fe, Mg, Al) from this anthropogenic aquifer.

In order to optimize the results, we conducted a series of sensitizations of the artificial neural network architecture and analyses for different cases, finding that the best models to forecast the price return volatility of these main metals are the ANN-GARCH model with regressors.

Copper was also the main metal used for Sheffield plate, which has a silvered surface.

(He also prefers to present himself as being against organized religion rather than, uh, pro-Satan.) But here at L'Amour, the New York area's main metal club, the band stands a better chance of creating an interesting scene.

The shield has four main metal-bearing areas: the iron of the Adirondack Mountains and Superior Upland in the United States; the iron-nickel-copper and gold belt of Ontario and Quebec, along the old fold zones north of Lakes Superior and Huron; the iron of the Ungava Peninsula; and the copper, nickel, gold, and uranium of the fault and fold systems of the shield's western rim.

Such materials balance on stability edge of covalent complexes of introduced and main metal [3].

The effects of temperature, pH, Cl− concentration, total dissolved solids and main metal ions on HCl volatilization were explored.