Sentence examples for the stratum was from inspiring English sources

The cyclic variability of the stratum was investigated through comparison of geological features, chemical composition, and swelling-shrinkage properties between the loess and the paleosol layers.

Based on the probability integral method, this paper obtained a modified equation for calculating the amount of horizontal movement of an overlying stratum during longwall mining, and in this equation, the influence of the distance between the overlying stratum and the coal seam on the subsidence coefficient of the stratum was taken into account.

The figure also denote whether the stratum was subject to helmet legislation.

Cochran-Mantel-Haenszel test with median age as the stratum was used to analyze the association between glycemic control and other factors.

In order calculate the sample size of each stratum, population size of the stratum was multiplied by the total sample size of the strata and divided by the total student population (24158).

When the real relative risk (RR) variation in a single stratum could be very large, assuming homogeneous risk in the stratum is inappropriate.

Cumulative population estimate per stratum for all adakars was calculated with the first animal in the stratum being from Loima and last being from Kaaleng.

Stratum 4 covers the distal half of the human X chromosome short arm and the p-distance of the stratum is ~10%, on average.

As the next step, random selection of the schools in the strata was performed.

The minimum size of the sample in each of the strata was 450 puerperal women.

One hospital from each of the strata was selected randomly, using the same procedure applied for district hospitals selection.