The electron-transport yield (Фtr) of different ETLs with different excitation intensities can be estimated using equation, Фtr = 1 –τp/τglass, where τp is the average lifetime for perovskite deposited on different substrates, and τglass is the average lifetime for glass/perovskite.
The study found that less than a sixth of hidden services sites that were online in March when the research started were still online in September when it concluded, suggesting a short average lifetime for these websites.
According to Antonio Bent, Kevin Roth, and Yiou Zuo, "the average lifetime for passenger cars has increased from 12.2 to 15.6 years between 1970s and 2000s". Cars last longer because they are made better than they used to, and while people often trade in old cars for new ones after a few years, the old cars remain in use through the used car market for many years.
The average lifetime, for each point (Supporting Information, Equation S2), amounted to τav=0.7±0.2 ns.
The average lifetime for this sample was 7 ns, and the lifetimes were distributed between 12 and 4 ns.
An average lifetime for mice of this group was 25 ± 1.8 days versus 21.4 ± 1.5 days in the groups treated with cyclophosphamide only or cyclophosphamide with the control siRNA.
An average lifetime for the mice of this group was 20.6 ± 0.7 days versus 16.8 ± 0.5 days in the group treated with cyclophosphamide only or cyclophosphamide with the control siRNA.
Note that the mean coalescent time T2 and the speed of the fitness wave (via the average lifetimes of polymorphisms destined for fixation?) can at least roughly be estimated from the data.
In addition, for the multiplicative model, an analytic formula is derived for estimating the average lifetimes of the surviving microbes.
The average lifetime of AF647 for the soluble protein was 1.29 ± 0.01 ns, slightly higher than the reported value of 1 ns, which indicates the absence of quenching of the fluorophore upon tagging the protein.
