Sentence examples for compound peak from inspiring English sources

The area of each compound peak is extracted from the total ion chromatograms with software.

Compared with spectra from the NIST, the volatile compounds were identified and then quantified by calculating the ratio of individual compound peak area with the total peak area relatively.

HPLC analysis showed that catechin (peak 6), a unidentified compound (peak 7) and quercetin (peak 6') appearing on the 3rd, 6th and 15th day during fermentation (Figure 2) may account for the increased DPPH radical scavenging activity of the A. awamori-fermented LPE.

The relative peak area of this compound (Peak 3) was around 94% in the six red cultivars.

For Pseudanabaena sp. dqh15, total ion chromatography and mass spectrum revealed that the compound peak with a retention time of 11.64 min was the main odorous component, and this corresponded to 2-MIB (Figure 2).

The chromatogram indicated severe overlapping of individual compound peak due to incomplete separation, which suggested that F-10 comprised a complex mixture of phytochemicals and this is consistent with the phytochemical analysis.

The peak area of phenanthrene was decreased continuously with the incubation period increase in the sample and other small molecule compound peaks were eluted (Fig. 2b).

Although, HOFA sample exhibits an amorphous nature in the X-ray (Fig. 2), some distinct mineral and compound peaks (i.e., quartz, vanadium oxide) were observed.

A general trend, observed not only in the TIC examples presented here, was that siloxane and chlorinated compound peaks seem to produce a much larger signal after a long storage period.

The values of the limits of detection were derived 1) from the smallest integrable areas for each compound peaks in signal and 2) from the ratio between the analyte signal and the baseline noise (limit of detection = peak height/noise ratio of 3).

A simple programme was originally developed for the rapid identification and classification of herbal constituents on the basis of the establishment of herbal constituent databases, recognition of the reference compound peaks, selection of the diagnostic ions or fragmentation pathways, classification of chemical groups and formation of group networks.