Sentence examples for concentrations been from inspiring English sources

First, the reliability of second-line DST is variable, and only recently have methods and critical concentrations been standardized (12 ).

Most studies of exposure have measured allergen levels in settled dust; only rarely have airborne concentrations been assessed.

This discrepancy, which would have been larger had measured water and sediment PAH concentrations been used in the food web model, can result from multiple reasons.

All concentrations are nominal.

The biggest concentrations are in Georgia, Florida, Illinois, Michigan and Ohio.

These concentrations were arbitrarily chosen.

Homocysteine concentrations were normally distributed.

Sample concentrations were equalized using RIPA.

PRO 2000 concentrations were measured by fluorescence.

Concentrations were determined from the standard curve.

Protein concentrations were determined by Pierce BCA reagent.