Sentence examples for absence of concentrations from inspiring English sources

The absence of "concentrations of concern" of PCBs in the fish with the highest mercury concentration lowers the likelihood of risks posed by this group of contaminants.

What's required is the absence of concentration.

Such an analysis allows the prediction of the actual rejection (Ra) in the absence of concentration polarization, and the accumulation of rejected ions at the membrane surface (Cm).

The absence of concentration quenching of luminescence below this limit is explained by stochastic arrangement of the dopant atoms, which is confirmed by crystallographic data.

In this case, the absence of concentration gradients next to the electrode surface results from convection induced by the microelectrode vibrations.

The absence of concentration quenching and lifting up of forbidden nature of f-f transitions, allowing direct excitation of Terbium ions is analysed with the help of JO theory and single crystal structure analysis.

Further, data that seem to indicate an absence of concentration should be treated with suspicion until it has been demonstrated that these data are not biased in some way.

The absence of concentration-dependent saturation has also been observed in other studies with Cd [ 7, 11, 26] and Zn [ 10, 12].

Theoretically the sieving for myoglobin should be in the range 0.4 to 0.6, but this is only true in optimal conditions, with aqueous solutions and in the absence of concentration polarization.

Furthermore, the low sensitivity of microscopy, the low volume of brain examined under the microscope (30 μl), the absence of concentration method, and not performing further passaging of tissues of the mice without detectable cysts could have contributed for the absence of cysts from seropositive mice.

NOEC values were not calculated because of the limited number of test concentrations and the absence of a concentration-effect relationship.