The phrase "demonstrably present" is correct and can be used in written English.
It means something that is clearly or visibly present and can be shown or proven. Example: The evidence presented by the prosecution was demonstrably present, leaving no doubt in the minds of the jury about the defendant's guilt.
In Malabar, South India, a church of ancient tradition, demonstrably present since the 3rd century, held the apostle St. Thomas to be its founder.
Because defective ribosomal products are the antigen source, peptide antigens may be derived not just from those fully assembled proteins that are demonstrably present in the cell, but also from short fragments arising from translation of normally untranslated regions, introns or alternate reading frames; there are examples of effective recognition by CTL of cells in each of these cases.
Perhaps for the retinal vasculature, glycemia is the main contributor to the development of retinopathy, whereas in the kidney, obesity and hypertension demonstrably present early in the genesis of young-onset T2DM have a much greater impact on the development of albuminuria in concert with other CVD risk factors.
The association with a proven and popular children's brand focusing on potentially sensitive subjects enabled the TV series to deflect any serious controversy regarding the same subjects, as they had demonstrably already been presented to children without any ill effects.
However, STX3451 caused apoptosis in ST88 cells even when these hormones were present and demonstrably promoting cell growth.
I'd wager that Google would be happy to drop Chrome OS development if Microsoft Windows presented a demonstrably superior online experience.
The return on investment approach presented here is demonstrably more efficient than alternate prioritization approaches.
When presented with something that demonstrably helps the troops, there's zero political capital in obstructing it.
This perhaps has been compounded by the discovery of the vanA-mediated glycopeptide resistant S. aureus from the US where the glycopeptide minimum inhibitory concentrations are demonstrably higher and testing issues are also present, but less problematic [ 10, 11].
The present trend toward mergers and consolidations demonstrably pushes up prices.
Emergent systems present an interesting challenge in terms of demonstrably-correct development, because there is a discontinuity between the global and local system descriptions.
