Sentence examples for present in trace amounts from inspiring English sources

Metal atoms like zinc and aluminum are often present in trace amounts in the clouds.

Hundreds of specific substances are considered hazardous when present in trace amounts in the air.

Mineral elements in wide variety are present in trace amounts in almost all foodstuffs.

For example, arsenic can be deadly if present in trace amounts in water; Spencer probably wouldn't drink from a water source with 400 ppm of arsenic.

The technology is made possible by instruments that speedily sequence DNA in a blood sample so researchers can spot tumor DNA even when it's present in trace amounts.

The oxidation of ethylacetate present in trace amounts in air has been investigated over supported Pt catalysts.

Some compounds, such as the aromatic hydrocarbons, have especially strong signals due to resonance effects even when present in trace amounts.

This paper demonstrates a new method for electrochemical detection of specific sequences of DNA present in trace amounts in serum or blood.

Mr. Brown of Applied Environmental said the preliminary testing of the mail at the Fed did not give any indication of whether anthrax was present in trace amounts or larger quantities.

Residues of N-acetylglucosamine (GlcNAc) were not detected, suggesting that glycoproteins bearing high mannose chains are either not present in the EV fraction analyzed here or are only present in trace amounts.

This mixture further gradually decomposes to only a monolayer of oxygen at 770 870 K. Sodium cations were found to be present in trace amounts in the adlayer and to strongly shift the O1s binding energy to lower values.