Sentence examples for several calibration points from inspiring English sources

In this method, several calibration points on the laser plane are first collected with high precision.

By comparing the cutoff value with that measured by the LAT in different geomagnetic positions, we have obtained several calibration points between ∼6 and ∼13 GeV with an estimated uncertainty of ∼2%.

Time estimation was conducted separately within each domain (Archaebacteria and Eubacteria) using reciprocal rooting and several calibration points.

However, earlier studies that employed phylogenies of individual, highly conserved genes and a careful interpolation from several calibration points gave an estimate of ~300 Mya for the dicot/monocot split, in a good agreement with our present estimates [ 72- 74].

While cross-validation procedures for the nine fossil-based nodes suggest no internal conflicts, several calibration points are outside the arioid tree and thus may not be much informative (Additional file 3).

Using several calibration points and the current distributional data, we also carried out biogeographical analysis and reconstructed the possible evolutionary scenario of this highly successful group of sub-Saharan murines.

Dating of the divergence events within bears was done using a molecular clock approach and several fossil calibration points.

We used several fossil calibration points to estimate the mtDNA divergence dates within the bears (see Materials and Methods).

The relationships of several fossil pelecaniforms representing key calibration points for studies of higher-level avian diversification are well resolved in the present study.

To estimate ages of nodes, several primary (fossil-based) and secondary calibration points were used, as described previously [ 30].

Indeed, several of these taxa have been utilized as fossil calibration points in recent molecular clock analyses of higher-level avian diversification [21], [27], [28].