The phrase "action has been shown" is correct and usable in written English.
It can be used when discussing evidence or results that demonstrate a particular action or outcome in a study or analysis.
Example: "In the recent study, action has been shown to significantly improve patient outcomes."
Alternatives: "evidence has demonstrated" or "results have indicated".
A wireless headset that can interpret brain waves to control video games and other onscreen action has been shown off at a hi-tech conference.
Interestingly, decisive action has been shown to reduce stress and empower people to rebound from adversity.
Yet we still detain many juveniles who can be served safely in the community and transfer many juvenile offenders for adult criminal prosecution, even though that course of action has been shown to actually exacerbate crime rates.
Indeed, familiarity with an observed action has been shown to increase activity in MNS areas.
Since JNK1 action has been shown to lie at the interface of obesity and inflammation and the results of several studies indicate that macrophage activity may contribute to insulin resistance in diet-induced obesity, we performed bone marrow transplant experiments to test whether myeloid JNK1 regulates the development of insulin resistance.
Other modes of action has been shown to have a minor effect [ 34].
Vladimir Krutov put the Soviets ahead, 1-0, at 9 minutes 12 seconds of the first period, but less than five minutes of action had been shown by then.
The further circumstance that it was only Singer's 'secondary' purpose that was disclosed to Gegauf goes not to the question of 'consistency' but rather to the sufficiency of the lower court's ultimate finding that no illegal concert of action had been shown between Singer and Gegauf.
All of these mechanisms of action have been shown for E. coli strain Nissle 1917.
Beyond this, tyrosine kinase-independent phosphorylation as well as non-transcriptional mechanisms of action have been shown for STAT3.
The subsequent elevation in levels of these hormones and associated prolongation of their actions has been shown to increase insulin secretion and suppress glucagon secretion in a glucose-appropriate fashion.
