"be evidenced by" is a correct and usable phrase in written English.
You can use it to refer to supporting evidence, such as facts, that back up your point or argument. For example: The success of the project can be evidenced by the increase in sales over the past five years.
This must be evidenced by scrapping all cuts at HMRC so the missing money is collected.
It would be evidenced by radioactive material from atomic bomb tests, plastics pollution, increased carbon dioxide levels and human-induced mass extinctions.
Whether undecided voters will be alienated by this particularly pungent flavour of pro-union support, or no voters galvanised, will be evidenced by the end of the week.
A few lockers down, Wells's teammate Scott Rolen — whose excellent defense and base running would presumably be evidenced by the tracking system — said: "I don't believe that baseball is a game that can be encapsulated that way.
It isn't a modern form of quick-fix justice, as would be evidenced by front-page pictures of him being led into a Dutch courthouse, and then led out of it to a cell.
In Nevada, this may be evidenced by the fact that the Democrat, Representative Shelley Berkley, has raised more in individual contributions ($5.3 million) than Mr. Heller has ($3.6 million).
The reduced permeability can be evidenced by water absorption results in Sect.
Improved charge transfer process and declined charge recombination rate can be evidenced by means of PL spectrum and EIS plots.
The presence of hydroxyl groups bearing on the surface of resulting plasma-treated SWCNTs can be evidenced by FTIR analysis.
This result can be evidenced by comparing the experimental and theoretical maximum CF temperature curves detailedly described in [22].
The columnar structure can be evidenced by SEM images taken on cut edges perpendicular to the growth direction.
