"resource intense" is grammatically correct and can be used in written English.
It can be used to describe something that requires a significant amount of resources or energy. Example: "The new project proved to be very resource intense, requiring large teams and extensive funding to successfully complete."
At the outset of respiratory failure, highly skilled critical care teams manage patients in the resource intense environment of the intensive care unit (ICU).
Admissions associated with hematopoietic stem cell transplantation (HCT) or requiring intensive care unit (ICU) support are resource intense events occurring frequently in childhood cancer treatment [ 10, 12, 26, 27].
The DCHS birth cohort required intensive follow-up and active pneumonia case detection, which was resource intense to establish and maintain.
This multi-method field study indicates that larger more mechanistic firms especially those in resource intense industrial sectors use knowledge transfer and research support relationships to build competencies in non-core technological areas.
The response time for the search requests could also be reduced if regular expression queries would be replaced by less resource intense query types.
Likewise, meat production is resource intense.
Operating rooms (ORs) are resource-intense and costly hospital units.
Training surgeon-scientists can involve resource-intense and lengthy training programs, including Masters and PhD degrees.
Larger companies have more to spend on recruiting, but also demand a more resource-intense sales approach.
Although it can be a time- and resource-intense effort, creating a custom program is effective in the training of new nurses.
The bugbear of the book – which focuses on the Americas – is suburban sprawl, or "the dispersed city", which he rightly describes as "the most expensive, resource-intense, land-gobbling, polluting way of living ever built".
