The phrase "as the primary trigger" is correct and usable in written English.
It can be used to indicate the main cause or initiating factor in a situation or process.
Example: "The sudden increase in temperature acted as the primary trigger for the chemical reaction."
Alternatives: "as the main catalyst" or "as the key factor".
Before the mid-1990s, the PTCe was small, and TC did not act as the primary trigger for monsoon onset.
Hunting is thought to have caused the initial rapid decline, referred to as the primary trigger, although other explanations may be plausible.
Stainings in the PPWM-containing nodules appeared normal for all the given myelin markers, a finding that further rules out myelin abnormalities as the primary trigger [ 46, 54].
Recently, a debate has arisen about the potential role of the pharmacological interventions, rather than the disease itself, as the primary trigger for cardiovascular events.
However, blockade of virion endocytosis from the surface potentiates rather than abolishes signaling, suggesting tetherin clustering in assembling virions as the primary trigger (Galão et al., 2012).
Some of these studies were focusing mainly on gliadins (alpha and/or gamma gliadins) as these protein families were considered as the primary trigger of CD (8, 11 14).
"Our hypothesis of olfaction as being important, if not the primary trigger, for nausea was supported," Heinrichs said.
This mechanism is based on glutamine as well, but here glutamine is postulated to act by facilitating the cellular uptake of essential amino acids (EAA) such as leucine which then activate mTORC1 rather than being the primary trigger of mTORC1 as in FOXO-mediated autophagy.
As the wave amplitude grows along the primary instability branch, nonlinear coupling to the surrounding air is expected to be the primary trigger for the secondary instabilities.
