Figure 6.
Log[−log(1−g)/T2] against 1000/T in the first stage for (a) PVA/Cs, (b) PVA/Cs/2 wt% ZnO -NPs, (c) PVA/Cs/5 wt% ZnO - NPs, and (d) PVA/Cs/10 wt% ZnO -NPs.
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