Sentence examples for reference peak from inspiring English sources

The distance of the proton absorptions from the reference peak is given by a number called the chemical shift.

The hydrogen atoms in the molecule being analyzed generally appear to the left of the reference peak because they absorb radiation of higher energy than the hydrogens of tetramethylsilane.

Another popular peak detection approach relies on matching the spectral intensities to a reference peak shape.

This approach can be very sensitive to baseline changes and deviations from the reference peak shape.

The PSi peak is at a lower angle relative to the Si reference peak.

The software returns absolute peak areas relative to a reference peak (whose area is set as 1).

Fig. 1 a XRD pattern for Ti-doped nano MgAl2O4 powder synthesized at 500 °C 1 h with reference peaks of MgAl2O4 from JCPDS and b, c TEM images of the powder.

Because peak heights vary depending on sample, base type and their position within the sequence, the PeakPicker software carries out a normalization step in which the SNP allele height is compared to the height of reference peaks in flanking sequence.

A iref is the reference peak-to-peak amplitude of the echoes reflected from the solution-air interface with the same distance as A si.

Moreover, the spectrograms were aligned to two reference peaks: (3883.766, 7766.166).

α-Solanine and α-chaconine standard solutions were used as reference peaks.