"sustained requirement" is correct and usable in written English.
You can use it to describe something that needs to be maintained for a certain period of time. For example, "Meeting the sustained requirement of providing quality customer service is our top priority."
Although this has been used successfully on medium-voltage systems, the transformers require careful design and testing to meet insulation, rise time, and sustain requirements.
A normal planned visitation of the EIM strategy, without a change in business environment, means at minimum the EIM team needs to consider the Road Map from three major perspectives: Business Alignment, Sustaining Requirements, and Architecture Element changes.
Scheduling normal refreshing of the Road Map, and accompanying Sustaining Requirements, is required to maintain the EIM program energy.
Due to the high and sustained performance requirements of power communication systems, electric companies prefer to construct their own communication networks privately rather than relying solely on a public communication system.
At the time of the reactivation the Navy envisioned using New Jersey and her sister ship Iowa to meet sustained global requirements and relieve the strain on the Navy created by an increase in U.S. commitments to the Indian Ocean and Caribbean Sea regions.
However, following severe traumatic brain injury (TBI) keeping low arterial blood glucose levels between 3.5 and 6.5 mM was associated with increased intracranial pressure (ICP) and sustained norepinephrine requirements to maintain cerebral perfusion pressure (CPP) [ 10].
This observation is true, since if j - 1 is paired to some index p (where i < p < j - 1), then q = p sustains the requirement, and otherwise q = j - 1 sustains the requirement.
The doctors, for example, wanted to sustain the requirement that each nursing home have a physician as director.
This decrease in maternal serum non-heme iron towards term is in fact normally observed, as iron is used to sustain increased requirement for this nutrient due to expansion of the maternal erythrocyte mass and the high demand of the growing fetus [38], [39].
