Sentence examples for metals were present from inspiring English sources

At low pH values and in the presence of phosphorous the heavy metals were present as divalent cations and no complex formation was observed.

The remaining metals were present in concentrations that were below federal standards for safe drinking water or had no such standards attached to them, and so were seen as not being useful to the analysis of whether gas drilling was affecting ground water, he said.

When Ce100 was produced, the solution containing the metal precursor was 0.1 M in Ce(NO3 3 · 6H2O; on the other hand, when other metals were present, the concentration of 0.1 M was referred to all metals, being in molar ratios of the precursors the same as denoted in the final sample CexZryPrz.

They found that a number of heavy metals were present in the tobacco samples as well as in hookah smoke, including copper, iron, chromium, lead and uranium.

When two metals were present together, substantial alterations were observed in the uptake of the metals in the slices.

Heavy metals were present in both LC and spinal motor neurons in 14 (58%) of the 24 MND patients.

Compared to other sedimentary deposits of known or suspected impact origin, some noble metals are present in exceptionally high concentrations.

No content analyses were done for metals, but from literature and the leaching experiment it is clear that various metals are present in rubber granulate, zinc in particular.

If platinum metals are present, they will alter the appearance of the bead, and their concentration can sometimes be determined by use of an arc spectrograph.

Atomic absorption spectrophotometry has shown that ultratraces of metals are present in the aragonite skeleton of the hydrozoan coral Millepora from a reef flat on the Coral Sea Plateau off Queensland.

The major portion of metals was present as exchangeable and reducible fraction.