Final answer:
The life span for RDT E funding can vary by country and program specifics, but an example provided for a resource with a 40-year life span indicates a necessity for 4 years' worth of its energy for development. Other examples show different metrics, like staff time or researcher hours, associated with grants.
Step-by-step explanation:
The lifespan for RDT (Research, Development, and Testing) E funding can vary significantly depending on several factors, including the country of the funding agency, the specific grant or funding program, and the scope of the research project. As an example, one of the requirements for developing a resource with a 40-year lifespan and an Energy Return On Energy Invested (EROEI) of 10:1 is that it would necessitate an investment equivalent to 4 years of its energy output to successfully bring it to fruition. For the UK, funding may equate to 0.2-0.4 Full-Time Equivalent Staff (FTES) per institution. In Portugal, research funding may provide up to 100,000 researcher hours per year. Meanwhile, in Australia, researchers may spend between 15-30 minutes per grant application. These time investments are suggestive and must be viewed in the context of each grant's specific duration and guidelines.