They found high concentrations of small and middle sized drops regardless if larger drops were present.

An infrared detector found concentrations of hematite, a mineral that often forms under wet conditions.

They also found high concentrations in pomegranate oil and juice.

I had often found concentrations of blues at that spot.

But the scientists found small concentrations of caffeine in nearly all of the samples, totaling more than 200, that they gathered.

At Wooster, which had the higher levels, tests found concentrations of 11 parts per trillion.

We also found lower concentrations in smokers although this did not reach significance.

This research found high concentrations of marine debris accumulating in regions governed by ocean currents.

Spectrum telescopes had not even found concentrations of ship's metals in the space where they have vanished.

A recent study found higher urinary concentrations in young children than in adults under typical exposure scenarios.