The phrase "at a key component" is correct and usable in written English.
It can be used when discussing an important part or element of a system, process, or concept.
Example: "The success of the project hinges at a key component that ensures all team members are aligned with the goals."
Alternatives: "in a crucial element" or "within an essential part".
District hospitals provide first-line healthcare for the majority of Ugandans, and the WHO has emphasized the importance of strengthening emergency care at district hospitals as a key component of its strategy for improving surgical care in low-resource settings (Moroz & Spiegel 2014).
This is a building designed for people to live in, yes, but also for people to look at: architecture as experience, as a key component of a dimensional cityscape.
Jishnu Bhattacharjee, managing director at Nexus Ventures Partners sees this simplicity as a key component and one of the reasons his company is financing this project.
Jishnu Bhattacharjee, managing director at Nexus Ventures Partners sees this simplicity as a key component and one of the reasons his company is financing this project.
At E13, elastin, a key component of the elastic matrix of the great vessels, was expressed in the aortic arch of control embryos.
Nonetheless, since most FMS patients display some degree of functional disability and muscle deconditioning, the current international consensus is that exercise therapy should at least be a key component of most FMS management programs [ 6, 7].
As I have observed on several occasions, the phrase "at least as long as" is a key component of the policy rate guidance.
BEHIND THE NEWS Perhaps it is too good to be true -- that a glass or two of wine at night might be a key component of a healthy lifestyle.
Though Candy's girth (he weighed more than 136 kg [300 lb] at his death) was a key component in his comedy routines, he attempted numerous diets without lasting success.
This study suggests that elevated levels of H2O2 from NOX2 at 18 months, is a key component in the onset of sarcopenia.
