Sentence examples for concentrations have been from inspiring English sources

And the concentrations have been heavy.

Concentrations have been reported as mean values of three replicates.

The term "background" concentrations have been used with various definitions in the literature over time.

Bleaching agents in varying concentrations have been used to achieve rapid esthetic results.

Therefore, χ2 fitting indicates that steady-state concentrations have been reached.

Since the bottom layer was saturated with leachate, lower concentrations have been observed in this layer.

These concentrations have been selected with the guidance of available clinical data [26 31].

Generally micro- to millimolar concentrations, although nanomolar concentrations have been reported in some studies.

CaCl2 solutions of different concentrations have been used in the experiments.

Sub-micromolar siderophore concentrations have been observed in soil solutions [12].

Acute toxic, chronic and delayed effects at environmentally relevant and sublethal concentrations have been shown [8].