The phrase "at that duration" is correct and usable in written English.
You can use it to indicate a specific length of time, such as "We will wait at that duration before we take any action."
At that duration of the Anti-Japanese War, the Institute was forced to move from Nanjing to Guangxi, Yangshuo, Changsha, Nanyue, and finally to arrive Chongqing in 1939.
As most of the rainfall occurs in September month, the people are happier to stay at home and hence very few accidents are reported at that duration.
Moreover, to substantiate our finding, and to confirm linearity, data from a fourth duration (3000 ms) in the TG task were added to the analysis (after having checked a posteriori that the coefficient of variation -CV- at that duration did not differ from CVs at shorter durations).
There was no special rule to sanction them at that duration of time but it has now being established.
In addition, although gastroparesis often develops in patients who have had diabetes for at least 10 years (5, 7), only 4 of 10 patients in our study had diabetes for at least that duration.
This hints at the fact that duration is associated with the individual fixed-effects but not directly with well-being.
We know that life took hold on Earth within a few hundred million years at most, and Mars had at least six times that duration where it was an ocean-rich world.
The bottom of the graph lies at around 11 years, indicating that duration is an inverted U function with respect to years of schooling with the peak at 11 years.
Results also showed that duration was at its minimum when the stop was produced as an approximant (see note 4 in Supporting Information File S1)–about 43 ms and at its maximum when produced canonically about 82 ms (see Figure 6).
Furthermore, among smokers who used NRT for 4 weeks or longer, the majority (67%) did not quit smoking for at least 1 month, indicating that duration of NRT use is not perfectly associated with duration of abstinence.
Among participants who entered in 1992 1993 and had diabetes at that time, duration was classified as ≥7 years if duration was self-reported as >3 years, and otherwise classified as 4 7 years.
