Sentence examples for mean background level from inspiring English sources

The study, however, noted that there was a mean background level of lead of 0.93 ± 0.13 ppm in the salsa.

A gene was assigned as differentially regulated by Notch1, when it fulfilled the following criteria: (i) at least 2-fold up- or down-regulation, (ii) at least the higher expression value has to be judged as 'present' by the software, (iii) the absolute difference between induced/not-induced is higher than 50 (about 2-fold the mean background level of the 'absent' genes).

Background blood samples were taken from 8 unlabeled adult kittiwakes and 9 unlabeled adult murres to determine the mean background level of isotopes.

Responses to PF stimulation alone were normalised as a percentage of the mean background level over the 20 ms prior to the stimulus.

A luminance matched grey target, high contrast stripe target (spatial frequency of 1.74 cycles/deg) and a 'background sample' camouflage target were all luminance matched to the mean background level.

To suppress any effect that the background fluorescence had on our fits, an additional two layers of pixels surrounding the 5 × 5 pixel region were used to calculate a mean background level.

The occurrence of phase scintillation and cycle slips taper off more gradually and reach the mean background levels a few days after the arrival of HSS.

Samples were normalized by the cubic spline algorithm and probes with all signals lower than two-times the mean background levels were excluded from the analysis.

We used these mean background levels to calculate the CO2 production rate (rCO2, mL day−1).

The titer of the Ab is defined arbitrarily as the reciprocal of the dilution whose absorbance is equal to 3 times the mean background absorbance level, as described previously.

At the mean background illumination level of the OLED display, the photoisomerization rates for the rods, L, M, and S cones were approximately 29,120, 9440, 9270, and 2320 photoisomerizations per receptor per second (4670, 2200, 2200, 900 for the CRT display).