The phrase "a core challenge of" is correct and usable in written English.
It can be used when discussing a fundamental difficulty or issue related to a specific topic or situation.
Example: "One core challenge of implementing new technology is ensuring that all employees are adequately trained."
Alternatives: "a fundamental issue of" or "a key difficulty of".
A core challenge of thermoelectric research is decoupling the otherwise inversely interdependent properties electrical conductivity, thermopower, and lattice thermal conductivity offering synergistic effects.
Cities are major contributors to global emissions, producers of waste and consumers of resources such as energy, water and food: implementing green development strategies is hence a core challenge of modern city-planning.
A core challenge of the NHIS was a delay in reimbursement which affected the operations of health facilities and hence influenced providers' behavior as well.
A core challenge of CHW programming is how to ensure sustained, optimal performance at scale of this important cadre of the health workforce.
Despite those limits, our work tackles a core challenge of gerontology research by making the multidimensional and dynamic nature of older people's health status computationally tractable.
Toward this end, a core challenge of population genomic and phylogenetic studies is obtaining a reliable set of orthologous loci from a sufficient number of individuals across populations or species spanning a range of divergences [ 6].
A core challenge to telling the stories of modern social movements is to make the entrenched, impersonal systems they fight against into visible, graspable opponents.
A core challenge confronting the application of co-production has been confusion over differences in definition and practice across several disciplinary traditions, including sustainability science, public administration, and science and technology studies.
TFs rarely function in isolation, and thus a core challenge is to identify combinations of interacting TFs that can restore regenerative potential more completely.
FAO is driving global efforts to keep antimicrobials working to protect animal and public health by tackling a core challenge: the overuse and misuse of antimicrobials across sectors accelerates the rate at which microbes develop resistance.
It is based on the industry foundation classes (IFC), facilitating OpenBIM and reducing the costs associated with the lack of interoperability, a core challenge in information modeling.
