The phrase "an average lapse of" is correct and usable in written English.
It can be used to describe a typical duration of time that something is delayed or interrupted.
Example: "The study found that there is an average lapse of three seconds between each response in the experiment."
Alternatives: "a typical delay of" or "an average interval of".
The evaluation had a limitation in its being performed ex post facto, with an average lapse of six months since the culmination of the agreements (June 2008).
Despite an average lapse of 9 years, agreement was good [DDT (dichlorodiphenyltrichloroethane) 79%, 2,4-D (2,4-dichlorophenoxyacetic acid) 84%, paraquat 85%, rotenone 93%].
Weighting these on the basis of respective costs for the revised programme base produces an average lapse factor of 2.31 percent.
If the political will exist to reduce the average lapse of time from sentence to execution down to the national average of 12 years, the report estimates California would be required to allocate nearly twice what it currently spends.
The average lapse of time between the filling in the patient information form and the patient's death was 1.41 years.
Where there were significant differences in elevation between the weather station and the trial site, mean temperature was adjusted by an average atmospheric lapse rate of 0.6 °C per 100 m of elevation change.
We defined the 90th percentile of the daytime baseline as the threshold for an attentional lapse (average lapse threshold shown in Figure 3, left panel) and determined this individually for each subject.
(Managed U.S. equity funds charge an average of 1.4% of assets a year, while the Vanguard Total Stock Market Index fund costs only 0.15%.) Neglect or administrative lapses.
In each time-lapse movie, an average of 1272 EB3 comets were identified per 30 min period that comprised 262 ± 83 distinct comet tracks (averaging 4.9 ± 1.3 comets/track).
Using time-lapse microscopy, we found that wt cells moved with an average velocity of 3.2±0.3 μm min 1 and reversed their direction with an average reversal period of 13.9 min (Table Ia).
A 10× field that contained an average of 30 cells was chosen and time-lapse microscopy was used to image the field every minute.
