The phrase "a maximum of roughly" is correct and usable in written English.
It can be used when you want to indicate an upper limit that is not exact but is approximately a certain value.
Example: "The project will require a maximum of roughly 50 hours to complete."
Alternatives: "up to about" or "no more than approximately".
Data rates should jump from a maximum of roughly 10Mbps to 50-80Mbps planelane.
That projected start time would allow them only a maximum of roughly 90 minutes before darkness falls on the City of Lights.
He would be eligible for a maximum of roughly $21 million this summer, but why would the Lakers pay anything close to that when the most a team can offer is $5.6 million?
A moderate age effect is observed in the neuronal cell-body-rich grey matter, where mC values increase from 4.4%% (0.6a) to a maximum of roughly 6%% (22a).
It also seems clear that a maximum of roughly 50% of the genepool (HG23 and HG1) may have originated in SW Asia.
Upon arrival in the ICU, DO2 averaged approximately 400 ml/min/m2 and was driven by the protocol intensivists to a maximum of roughly 700 ml/min/m2 by 24 hours.
Vertical sections of tangential velocities were characterized by values that increased linearly with radial distance from near zero close to the center to a maximum of about 60cms−1 at roughly 25 km from the center, and then slowly decayed.
These provisos and a restriction on the size of the audience at any performance to a maximum of 1,600, roughly half the number that attended the original Globe have secured the right for the new Globe to be used once again as a theatre.
The calculated reflectivity for lithium metasilicate at 0 to 5 eV is lower than 10% and a maximum value of roughly 35.0% is calculated at about 17.53 eV.
When a state of high conductance is reached, however, the current consistently reaches a maximum value of roughly −1200 pA followed by a rapid drop to −400 pA.
Most have a maximum range of roughly five miles, which means that rocket crews can set up their weapons in Pakistan and fire them over the border at several American-Afghan outposts.
