Exact(9)
Even 1000 antiatoms is still too few for physicists who would like to compare spectra of hydrogen and antihydrogen to test nature's basic symmetries.
While pXRF is a widely used technique, it was not previously used to record and compare spectra of a large and diverse paintings dataset collected over a substantial amount of time.
In order to compare spectra between samples, several normalization techniques were tested to eliminate small differences in the absolute relative reflectance of similar spectra.
Furthermore, we can now compare spectra from healthy corals and algae to determine if the spectra (e.g. pigment presence or patterning) changes or breaks down when the two organisms are in direct contact.
We use the abiotic surfaces to compare spectra where biosignatures are present to those cases where they are not present.
Similar effects are thought to be seen in tissue, limiting the ability to quantitatively compare spectra from different devices without compensation.
Similar(51)
Sensitivity and accuracy are two important metrics to compare spectrum sensing devices.
Figures 4 and 5 compare spectrum efficiency and energy efficiency of SEM and EEM, respectively.
Comparing spectra from different instrument types, only 64 89% of the spectra pairs match with more than 60% identity, depending on the instrument pair [41].
Figure 5 compares spectra taken before and after the peptide functionalization and finally after the RC binding to the surface of PSiMc.
Peak identification was performed by comparing spectra (collected between 220 and 500 nm).
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