Sentence examples for samples was needed from inspiring English sources

We found taking a minimum of 30 soil samples was needed for both bulk density and C concentration to accurately estimate soil C content within a 1-ha plot in a pasture or tree planting, which suggests many previous surveys of soil C were sampled inadequately.

For adequate performance, dilution of serum samples was needed.

No previous preparation of the samples was needed.

To increase the correlation for intermediate PEVexact to at least 0.90 at least 550 samples was needed.

Neutralization of TCA (5%, w/v) treated samples was needed to keep the pH between 7 and 8 because HRP has optimum activity within this pH range.

Since only total RNA from leaves samples was needed for the isolation of CypCl, RNAzol RT method was chosen as the extraction method.

Others argue the samples are needed for research on better treatments and vaccines.

A reduction of the original samples is needed.

Generally, over 500,000 1,000,000 samples were needed to achieve the separation.

For unknown parameter estimation only short time history samples are needed.

These data are preliminary and further investigations with larger samples are needed to support our findings.