Sentence examples for content of copper from inspiring English sources

The metal content of copper ore has been falling since the mid-1990s as existing mines are depleted.

XPS analysis indicated that Cu2O transformed into CuO with increasing content of copper.

Waste wood that has been treated with chromated-copper-arsenate (CCA) poses a potential environmental problem due to the content of copper, chromium and arsenic.

His brother-in-law, Soga Riemon, had set up a small copper refinery that used a European-derived procedure for extracting the gold and silver content of copper ores.

The deposition rate exhibit a maximum and the content of copper present a minimum when the gluconate concentration changes between 0 and 40 g/l.

Copper was present as metal on the surface and the surface density was considerably high even if the content of copper was less than 1 wt%.

The microstructures of control concrete and CSRC with various contents of copper slag as replacement of sand were investigated by Scanning Electron Microscope (SEM).

Also, our test results testify to the importance of using low contents of copper in the composites and the good properties of LiPF6 as electrolyte solvent.

For this purpose, compounds including different contents of copper nanoparticles were prepared under the same processing condition considered for each sample preparation.

In the contaminated area, significant difference appears for both contents of copper and lead.

For determination, a series of solutions with different contents of copper, and the same concentration of the ligand (a 10-fold excess) in acetate buffer mixture was prepared.