The phrase "at a sustained" is correct and usable in written English.
It can be used to describe an action or state that is maintained over a period of time, often in contexts related to performance or effort.
Example: "The athlete was able to maintain her speed at a sustained level throughout the race."
Alternatives: "at a continuous" or "at a prolonged".
Then, the medicated NPs released MLX at a sustained release profile.
Benchmark programs indicate that it will be possible to run key lattice gauge theory kernels at a sustained performance of 50% or more.
High-speed stereoscopic particle image velocimetry, OH planar laser induced fluorescence, and OH∗ chemiluminescence measurements were performed at a sustained repetition rate of 5 kHz, which was sufficient to resolve the relevant combustor dynamics.
The development of smart gold nanoparticles (AuNPs) that can deliver therapeutics at a sustained rate directly to cancer cells may provide better efficacy and lower toxicity for treating cancer tumors.
WHEAT EMBRYO germination is characterised by an increase in fresh weight during the first 40 min of imbibition, followed by a lag period of 5 h and finally, a phase of cell elongation during which fresh weight increases at a sustained rate1.
Output per worker and total factor productivity grew at a sustained and similar rate during the 1970s, but growth slowed down considerably during the 1980s.
Tracy Austin was quoted as saying she had never seen Serena Williams play at such a sustained high level.
Red Dust is at once a sustained poetic meditation and a portrait of a nation - a continent-sized nation - in flux.
Discharges from the lake, usually in advance of the wet season, have gone on for decades, but rarely at such a sustained heavy volume, Mr. Unsell noted.
But it is hard to argue with her conclusion that "Not since Henry James … has an American novelist worked at such a sustained pitch of concentration and achievement".
There have been critical articles in the London-based previouslyiously, but never at such a sustained level by one of the biggest selling papers in the UK.
