Sentence examples for these concentrations are from inspiring English sources

Democrats can rely on Los Angeles county and the San Francisco Bay area, but these concentrations are now surrounded by Republican territory.

(These concentrations are well above the natural levels observed for at least the past 650,000 years).

These concentrations are similar to those seen in the Guam fruit bat — and now, in shark fins.

Unfortunately these concentrations are often too low in nature for accurate quantification with current methods.

These concentrations are much larger, and the influence of neutral impurities can be neglected.

These concentrations are within the measured values, and were appropriate as the screening medium.

These concentrations are unlikely to be reached in the aquatic environment.

These concentrations are about seven times lower than the FAO/WHO recommended MRLs of 600 μg/kg.

These concentrations are in a good agreement with correspondent values derived from the percolation theory for 2D and 3D lattices.

These concentrations are > 2 orders of magnitude lower than the Fe(II) concentration of 2.7 mM used in our sorption systems.

These concentrations are far from the allowable limit of 0.81 μg/g suggested by the International Atomic Energy Agency (IAEA) (Kwaansa-Ansah et al. 2011).