The phrase "achieved over an" is not correct and does not form a complete thought in written English.
It may be used in contexts where you are discussing accomplishments or results that have been reached over a specific period or through a particular means, but it requires additional context to be meaningful.
Example: "The goals we achieved over an extended period have significantly impacted our success."
Alternatives: "accomplished during a" or "attained over a".
Dedicated professionals in the NHS performed miracles to bridge the gap by raising productivity and reducing costs at a rate that has never been achieved over an extended period by any health service anywhere in the world.
The Merck synthesis was achieved over an 18-month period in a multistage process in which a number of short amino acid chains were linked to form two large units.
Coupling efficiency of 54% is achieved over an ultra-wide wavelength range from 1500 nm to 1650 nm.
The stochastic estimation of the background error statistics is achieved over an ensemble of MASCARET integrations with perturbed hydrological boundary conditions.
This outcome was achieved over an average treatment period of 5.6 weeks and a visit frequency of one treatment per week.
Recruitment of the cohort was achieved over an 18-month period between June 2008 and December 2009.
In this regard, upper and lower boundaries of profit ranking of a special DMU are determined in comparison with others by considering all alternative profit efficiency scores; each unit could achieve over a set of feasible weights.
A further potential advantage of droplet-based sample introduction is a substantial reduction in reagent consumption by utilizing an all-droplet format, i.e., reactions performed in droplets, which could achieve over a 1000-fold reductinn in reagents.
"The level of creative success that he has achieved over a sustained period is probably unparalleled".
The project has achieved over a million online hits," the BBC said in a statement.
But many reflect the kind of breathtaking misanthropy that could only have been achieved over a lifetime.
