The phrase "a time of approximately" is correct and usable in written English.
It can be used when you want to indicate an estimated duration or period for an event or activity.
Example: "The project will take a time of approximately three weeks to complete."
Alternatives: "an estimated time of" or "a duration of about".
The experimentally observed relaxation strength in a time of approximately 3 h at 50 K below Tg is of the order of 40 60%.
From the flare onset to the geomagnetic storm onset, Carrington (1859) gave a time of approximately 17.5 h from the flare to the storm, which indicates a CME speed of approximately 2,360 km/s (Gopalswamy et al. 2005c).
Here, for the first time, a response surface design guided optimization of microwave hydrothermal carbonization (MHTC) process parameters, holding temperature (150 210 °C) and time (90 120 min), showed that a temperature of approximately 200 °C and a time of approximately 119 min yielded maximal hydrochar (∼34%).
However, using a 3D diffusion model they predicted a time of approximately 45 years for the full conversion of 45S5 glass ceramic microspheres in K2HPO4 solution (at 37 °C) to HA-like materials, thus suggesting that the unconverted glass ceramic could remain in the body for very long periods (Fu et al. 2012).
PPpsbA is a Hill function representing the commencement of transcription of phage psbA at a time of approximately tPpsbA.
Since time courses are measured up to a time of approximately one half hour, the differences in phosphorylation levels measured at each time point arise from changes in the amount of reversible post translational modifications.
We fabricated a CVA with a response time of approximately 6 ns and input impedance of 20 Ω.
Five milliliters of normal saline was gently instilled into each nostril using a syringe with a dwelling time of approximately 10 seconds.
Moreover, a shoulder at the main elution peak, as well as a small peak at a retention time of approximately 10 min, indicate some aggregation.
Meanwhile, we obtain a rise time of approximately 9.3±0.6 s, a rupture time of approximately 60.7±0.5 s, and a propagation time of approximately 50.5±0.5 s (time for 100-s Rayleigh wave passing through the fault).
These results agree with those of the current study where lagoon discharge was treated in a Typha-dominated wetland with a residence time of approximately 20 hours.
