The phrase "a core influence" is correct and usable in written English.
You can use it to describe something that has a fundamental or essential impact on a situation, idea, or person.
Example: "Her research has been a core influence in shaping modern theories of psychology."
Alternatives: "a fundamental impact" or "a key factor".
We present a theoretical study of how the properties of the individual cores in a composite core influence the measured relative permeabilities of a waterflood.
Swenson's father will have a nude photograph in the show as a reminder of where the younger Swesons came from, and as the core influence of his photographic pursuits.
Almost immediately, the sisters hit upon an original style of live dance music that combined funk, hip-hop, punk, and Latin grooves; Renee, the group's vocalist and the eldest sister, cites James Brown as their core influence.
Within the experimental investigation we evaluate the core influence of single-band imagery and image fusion enhancements on the human visual system with a simple experimental structure.
The imagery sets represent the most basic elements of each type of enhancement, allowing us to examine their core influence on human perception.
Reinforcement of vaccination through social network was also found to have core influence on parental support for vaccination when challenged by anti-vaccination messages [ 27].
In terms of OLEDs technology, the encapsulation process is a core technology influencing both the lifetime and reliability of OLEDs.
Our study attempted to test this possible theoretical proposition that the gender of children is a core factor influencing the gender ideology of parents.
Cathode design is very complicated in ECM and is a core problem influencing machining accuracy, especially for complex profiles such as compressor blades in aero engines.
