The phrase "a certain time duration" is correct and usable in written English.
It can be used when referring to a specific but unspecified length of time in various contexts, such as discussions about events, processes, or measurements.
Example: "The project will take a certain time duration to complete, depending on the resources available."
Alternatives: "a specific time frame" or "a particular time span."
Each TFC procedure continues a certain time duration, Capture Period (CP).
Since we consider a certain time duration T 0 for partial PAPR calculation, we need dN complex multiplications within that time duration.
There was a certain time duration in which the subject needs to give a response and if he failed to do so, then those responses were counted in negative value.
After incubation with BoNT/A-spiked serum sample for a certain time duration, the biotin at the amino terminus of the peptide was cleaved off, resulting in that gold nanoparticle-labeled streptavidin-substrate peptide complexes could not be captured on the test zone of LFTS, thus, LFTS presented a different coloration from BoNT/A-negative result (Fig. 1b).
Each cycle consisted of three phases: (I) a linear increasing ramp from 20 to 50 V, at a rate of 0.5 V/s, (II) an interval at 50 V for certain time duration to flow a given charge Q0 through the system, and (III) a subsequent linear decreasing ramp from 50 to 20 V at 0.1 V/s.
In order to create a realistic environment for simulating these effects, a plasma accelerator with a specific amount of energy for certain time duration has long been considered as an appropriate test bed.
The block loading was repeated after certain time duration.
For certain time duration, the center node performs the network coding with optimal parameters, and changes the operation to general ALOHA, afterwards.
If you need to re-arrange the day, set it to the next day, but always set yourself a certain time and duration for the practice so people don't arrive hours apart.
Unlike other providers, who delete their stored metadata after a certain time, AT&T keeps information like call time, duration, and even location data on file for years, with records dating back to 2008.
In the case of short duration sounds it is well known that temporal loudness summation occurs within a certain time period (i.e., critical duration), and a trade-off relationship is established between the sound intensity and the duration of the sound.
