Sentence examples for is exist during from inspiring English sources

It is thought that an intimate cross-talk of bFGF and VEGF family is exist during angiogenesis and bFGF increases neuroplin-1, a co-receptor for VEGF, expression in human vascular smooth muscle cell that in turn enhance the effect of VEGF on cell migration and promote neovascularizaion [ 22].

The relationship between the US and the Philippines has been complex throughout the century-plus during which it's existed.

Considering the shale content limit, when shale content is very high, we assumed that there is only clay existed during the production.

The authors based their argument off of the fact that much larger amounts of wetlands, which are methane sources, existed during the Paleocene and the Eocene than presently.

Various types of small mammals that are now extinct existed during the Triassic and Jurassic, but two important groups of modern mammals evolved during the Cretaceous.

Use the past perfect tense to describe a state of being that had existed during a fixed point in the past.

The practice of temporary marriage is said to have existed during the lifetime of Muhammad, who is believed to have recommended it to his companions and soldiers.

Leap day, that is, the day that only exists during a leap year, is February 29.

These outflow channels were excavated within the upper 1 km of the cryolithosphere, where no liquid water is expected to have existed during these geologic epochs.

Such codon ambiguity also played a role during genetic code expansion from 20 to 22 amino acids and it is likely that it existed during the early stages of the development of the genetic code [14].

Structural engineering and architecture schools were known to have existed during the Song period; one prestigious engineering school was headed by the renowned bridge-builder Cai Xiang (1012 1067) in medieval Fujian province.