XRD Spectra Analysis of Materials at Different Ratios and Sizes

Please translate the following into English:

'Figure 5-3 XRD spectra of 0-5, 1-5, 2-4, 2-5, 2-6, 3-5 (a) and 350nw, 400nw, 450nw (b).'

Here is the translation:

Figure 5-3 shows the XRD spectra of materials with the following ratios: 0-5, 1-5, 2-4, 2-5, 2-6, and 3-5 (a). It also presents the XRD spectra of materials with sizes of 350nw, 400nw, and 450nw (b).