Je was op zoek naar: downslope (Engels - Lets)

peak downslope
smailes krītošā daļa

between 225 and 400 nm, the spectra of the upslope, apex and downslope of the peak produced by the sample extract must not be different from each other for those parts of the spectrum within the range 10 to 100 % of relative absorbance.
no 225 līdz 400 nm parauga ekstrakta kāpuma, smailes un krituma spektri cits no cita nedrīkst atšķirties tajās spektra daļās, kurās relatīvā absorbcija ir no 10 līdz 100 %.

between 210 and 320 nm, the spectra of the upslope, apex and downslope of the peak produced by the sample extract must not be different from each other for those parts of the spectrum within the range 10 %-100 % of relative absorbance.
no 210 līdz 320 nm parauga ekstrakta kāpuma, smailes un krituma spektri cits no cita nedrīkst atšķirties tajās spektra daļās, kurās relatīvā absorbcija ir no 10 līdz 100 %.