Sentence examples for background levels of many from inspiring English sources

Background levels of many chemicals in blood or urine occur as a result of normal biologic function.

Many factors are linked to increased background levels of inflammation (measured as CRP or IL-6) in people of low SES.

We would not necessarily expect more dramatic levels of enrichment than those observed, given that many matrix families are quite degenerate and yield high background levels of false-positive predictions as well as true positives.

The recent CDC data suggest that there may be many women in whom these compensatory mechanisms are inadequate even at background levels of perchlorate (Blount et al. 2006a).

For example, at one airport where many airplanes used avgas, average and maximum air lead levels were 0.030 and 0.302 μg/m, respectively, versus background levels of 0.007 and 0.018 μg/m (Environment Canada 2000).

"We still find background levels of DDT and chlordane," he explained.

A non-smoker group provided background levels of BoE.

And the levels found in the showerheads were "more than 100 times the background levels of municipal water".

Only background levels of staining were observed (data not shown).

Background levels of genetic alterations.

Only background levels of 3-nitroTyr were detected with dONOO.