Sentence examples for background standards from inspiring English sources

He said that he hoped to persuade international aviation officials to adopt background standards similar to those in the United States, but that it might be several years before the process was sufficiently smooth here to lure the foreign students back.

(a, b) Background histograms of two patients, (c) background standard deviation for all patients, and (d) background average plus three times its standard deviation.

The noise properties of the data can be appreciated in Figure 3, which illustrates the background histograms of two patients and the resulting background standard deviation for all patients.

Low intensity spots having background-corrected intensity less than three times the background standard deviation in both channels were excluded from further analysis.

The signal-to-noise ratio (SNR) of each probe on each slide was calculated as follows: SNR =  (signal intensity – local background) (standard deviation of slide background)−1.

Detectable signals with average intensity 3 times higher than background standard deviation and CV (standard deviation/average intensity) less than 0.5 were included in further analysis.

An arbitrary level of fluorescence was determined as the background standard and wings above or equal to this level were counted.

A transcript to be listed as detectable must meet at least two conditions: signal intensity higher than 3× (background standard deviation) and spot CV <0.5, and CV was calculated by (standard deviation)/(signal intensity) [17].

Finally, the average of all pixels above a threshold value of three times the background standard deviation was calculated for the three slices for each cell for Figure 5.

The duck spleen samples also displayed a larger net intensity and background standard deviation than all the other microarrays.

To estimate the transcript level of each gene, a background value was obtained by addition of the average background value to 2 background standard deviations.