The phrase "as evidenced when" is correct and usable in written English.
It can be used to introduce a specific example or situation that supports a claim or argument being made.
Example: "The company's commitment to sustainability is strong, as evidenced when they reduced their carbon footprint by 30% last year."
Alternatives: "as demonstrated when" or "as shown when".
His affections run deep, as evidenced when he dries his wife's tears coming home from the wars.
The coupled mathematical model predicts permeability damage due to mechanical trapping and adsorption accurately, as evidenced when compared with experimental results.
And she can still converse for a few minutes, as evidenced when a reporter from a New York City-based Chinese-language newspaper trying to learn her Chinese name unexpectedly found an enthusiastic Ms. Gillibrand on the line.
He is still capable of behaving irresponsibly, as evidenced when he crashed his Bentley into a utility pole in Binghamton, N.Y., and was charged with driving under the influence last year.
And Daniel Murphy's swing retained its sparkling form, as evidenced when he lifted a low fastball from Jackson into the left-center-field stands to open the fourth inning and tie the score at 2-2.
But the mayor displayed his testy and sarcastic side, as evidenced when Ms. Wong read a passage from his 1997 memoir, "Bloomberg by Bloomberg": " 'And God forbid one of our people go to work for a competitor, then we all heartily and cordially really do hope they fail.
The effect was antigen-specific, as also evidenced when antibody titres were measured.
They recorded this and produced it as evidence when I thought it was an audition.
But why wait for something as quaint as "evidence," when cruise missiles provide a vastly more compelling spectacle?
The cameras are the most trusted witnesses and can be used as evidence when we are arrested and have to face the courts.
He photographed the blaze from start to finish and the police will use this as evidence when an inquest is held.
