Sentence examples for contents of copper from inspiring English sources

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.

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.

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

The contents of copper metal ions were higher at some water quality stations on Wunna river (Nandgaon); Wardha river (Hivra) and Wainganga river (Kumhari, Pauni, Ashti) in Feb. 2012, while nickel concentration in Feb. 2012, June 2012 , March 2013and Aug. 2013 at some water quality stations on rivers Bagh, Indravati, Pranhita, Wunna, Penganga, Peddavagu, Wainganga and Wardha is high (Fig. 4).

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

Figure 3 Content of copper in wheat seedling tissues.

ICP-AES confirmed the content of copper metal on the acetylene black.

The content of copper (II) ions was determined by the spectrophotometric method.

Figure 2 Influence of MDA content of copper stress on maize seedling leaf.