The phrase 'for a duration of time' is correct and can be used in written English.
You can use it when describing how long something lasts or occurs. For example, "The event will take place over a duration of time of three days."
By allowing each user to reserve the successfully accessed chunks for a duration of time inversely proportional to amount of bandwidth occupied, the problem of outage due to unavailability of idle chunks is avoided.
Second, one can waive a right to x (in a strong sense) by granting someone access to x for a duration of time, with the understanding that permission to use x cannot be revoked during this period (presumably if other terms of the lease are met).
The contents (adsorbent/100 ml solution) were kept for constant shaking for a duration of time in a temperature-controlled magnetic stirrer at 303 ± 1 K and then the solids were separated through filtration using Whatman 42 filter paper and the volume was finally adjusted to 25 ml.
The standard drugs were incubated with the viruses for a duration of time equal to that needed by the extracts to cause significant virucidal activity.
The latent period is followed by an infectious period for a duration of time drawn from a Gamma distribution with mean of 1/ γ and a variance of V γ days.
Residents are eligible to be enrolled in the study if they are receiving opioids, antidepressants, or antipsychotics on a routine basis for a duration of time considered to be a minimal therapeutic trial or in which tolerance develops.
The leasing company has paid for your equipment, and you over a duration of time that you agreed to will pay the money back.
From observations of the time series we found that, for a duration of 105 time units, the systems is, for more than 99.9% of time, close to equilibrium.
Al Al electrode combination was connected to their respective anode and cathode leading to the D.C Power supply (LMC electronics, India 0 500 V and 0 2 A) and energized for a required duration of time at different voltages and currents.
(1)– (3) Although this has been found beneficial for patients with particular tumors – albeit only for a limited duration of time – a substantial fraction of patients with cancer proves to be finally resistant to VEGF-based therapies.
