"upon the extinction" is a grammatically correct phrase and can be used in written English.
It is typically used to indicate that something happened immediately after the extinction of something else. Example: Upon the extinction of the dinosaurs, many new species of animals emerged to fill the ecological niches left open by their absence. In this example, "upon the extinction of the dinosaurs" means that the new species emerged right after the dinosaurs went extinct.
Upon the extinction of the native dynasty (c. 6 bc), the remainder of the territory was incorporated into the Roman province of Galatia.
The Treaty of Grimnitz (1529) guaranteed Brandenburgian succession in the Duchy of Pomerania upon the extinction of the local House of Pomerania, and would have come into effect by the death of Pomeranian duke Bogislaw XIV in 1637.
It should be noted that the violacein concentrations reported within many of the articles are based upon the extinction coefficient as determined by the authors using spectrophotometric analyses, with extinction coefficient values ranging between 10.955 and 74.3 L/ g-cm) in the L/ g-cmure [ 2, 49, 51, 52].
Immediately upon completion of the extinction session, the rats were anesthetized and then sacrificed.
Based upon these approximations and the extinction coefficient of TSCQ (ε461 = 6600 M 1 cm–1, ref (34)), complex IV contains about 0.7 enzyme equivalents of TCSQ.
The enhanced localization of BubR1 and Mad2 on the kinetochores upon GF treatment suggested that GF inhibited the extinction of checkpoint proteins from the kinetochores.
For an asymmetric nanoparticle, the extinction cross section can depend upon the orientation of the particle relative to the polarization of incident light.
Elsewhere in the world, a failure of monitoring and intervention has placed severe threats upon the Sumatran rhino and Iberian lynx, as well as the extinction of the west African black rhino.
Hence, both the extinction ratio and the insertion loss decrease upon increase in annealing temperature.
The extinction had a complex history.
No one champions the extinction of deer.
