Sentence examples for reference samples from inspiring English sources

Considering the high stakes involved, the testing needs to be double-blind and include both positive and negative reference samples.

The Stinsons' eventual goal is to build a DNA database of reference samples, so that all manuscripts can be dated and located.

Legend: ● reference samples; (red diamond) unknown samples.

Unirradiated samples were used as reference samples throughout.

Legend: ● reference samples; (red inverted triangle) unknown samples.

There is good agreement with reference samples from proximal locations.

Figure 4 shows examples of spectra for the reference samples.

Bare TiO2 nanotube arrays were used for reference samples.

And commercial Klarite® substrates were used as reference samples.

Untreated tiles were used as blank reference samples.

For quality control, three moss reference samples [34] were employed.