The phrase "age of appearance" is correct and usable in written English.
It can be used to refer to a specific period or stage in which something is perceived or presented in a certain way.
Example: "In the age of appearance, social media plays a crucial role in shaping public perceptions."
Alternatives: "era of visibility" or "period of presentation".
Moreover, our results indicate striking differences between young infants in both age of appearance and stability of the diurnal cortisol rhythm.
The object of the present study was to find evidence of the age of appearance of the diurnal rhythm of cortisol and to compare the results obtained by several different analysis methods on a new data set.
Studies do not agree on the age of appearance of the circadian rhythm (varying between 2 weeks till the age of 9 months) nor on whether it is related to the appearance of the sleep wake circadian rhythm.
The fit of a given phylogeny to the stratigraphic record integrates the age of appearance of the terminal taxa (based on the geologic age of the fossils referred to those taxa) with the order of successive branching events implied by the structure of the phylogenetic tree [121].
Founder effects have been identified in some cases (e.g. for the 189delAG mutation found in 1% of Ahskenazi Jews, which appeared 460 1600 years ago), but remain undetected for others (e.g. for 5382insC, the most common mutation in Russia and Europe, estimated age of appearance 360 1380 years ago, [8], [23]).
Indeed autoantibody responses vary between individual mice by the titers and by the age of appearance.
In our age of appearances not so much.
The objective of the present investigation was to evaluate the effect of the genotype and culture age on appearance of somaclonal variation in olive plants regenerated via somatic embryogenesis.
Although GER (Gap Excess Ratio) is usually calculated as a single value using the maximum, midpoint, or minimum age of first appearance [125], ASCC generates a range of GER values, as well as MSM* Range (modified Manhattan Stratigraphic Measure).
The Mann-Withney U test was used to identify significant gestational age differences for the age of FPR appearance.
The Mann-Withney U test was used to identify significant GA differences for the age of FPR appearance.
