The phrase "acted as a stimulus" is correct and usable in written English.
It can be used to describe something that provokes or encourages a response or reaction in a particular context.
Example: "The new policy acted as a stimulus for increased productivity among employees."
Alternatives: "served as an impetus" or "functioned as a catalyst."
It was found that Zn and Ca in Mg liquid induce remarkable slowing down of atoms, but Cu acted as a stimulus to the diffusion.
This could only have happened if failure acted as a stimulus for productivity and not as a dampener of effort.
From the results, it was inferred that the polymer nanocomposite reinforced with HA acted as a stimulus for the formation of the apatite layer and was found to be a major factor for mineralization.
DNA carried by these tubovesicular structures acted as a stimulus for innate antiviral responses, triggering Toll-like receptor 9 and inducing alpha/beta interferon production [ 16].
Even though the software analysis of the microarray data was consistent with a mechanism wherein SMF acted as a stimulus for signaling pathways, limitations of this methodology precluded any firm conclusions.
Hydrogen fluoride (HF) is a strong, pervious gas that acts as a stimulus for some parts of the human body, such as the respiratory system and the skin.
This holiday season there appears to be an increase in spending that would act as a stimulus to the economy.
The researchers expected their findings "to act as a stimulus for politicians to improve health policy and invest in health care", Allemani added.
It's one of the paradoxes of writing fiction as, I suspect, of most other kinds of artistic activity, that constraints act as a stimulus to the imagination, rather than an impediment.
This is a critical step towards reaching our target of 80% by 2050, and I believe the process of greening our economy will act as a stimulus to economic recovery.
John T. Chambers, chief executive of Cisco, has led a sustained lobbying effort for such a policy, promising that it would act as a stimulus to encourage investment and increase jobs in the United States.
