The phrase "a maximal duration of" is correct and usable in written English.
It can be used when specifying the longest allowable time period for an event or activity.
Example: "The project must be completed within a maximal duration of six months to meet the deadline."
Alternatives: "a maximum length of" or "the longest duration of".
As Debru (2001: 478) notes, it may be that James' figure of 12 seconds was also influenced by Helmholtz's discovery that after-images typically have a maximal duration of 12 seconds or so.
1 Such exemptions include young employees until 18 years of age, apprentices, internships with a maximal duration of 3 months, long-term unemployment during the first 6 months of a subsequent employment, and volunteers.
In five such severe patients treated shortly after intubation, Abrams et al. reported a median delay of 4 h (with a maximal duration of 21.5 h) between ECCO2R initiation and extubation [223].
For the 46 pairs of repeated infections caused by indistinguishable strains in the present study, 28.3% had intervals greater than 180 days with a maximal duration of 340 days.
They were referred from primary care units or occupational health care centres from the western part of Sweden and the referral criteria was 1) "probable Exhaustion Disorder" with no apparent somatic disorder or abuse that could explain the exhaustion and 2) a maximal duration of sick leave of six months.
Sediments were cultured on Lowenstein-Jensen medium (L-J), incubated at 37°C and read weekly for growth for a maximal duration of 10 weeks.
WF-DPM can help a supervisor user by automatically computing the maximal duration of each service.
We chose the post-influenza season blood draw to be 8 months following S1 since this is likely to be the maximal duration of needed protection for a given influenza season.
The maximal duration of the study was 21 weeks per patient: a 1-week screening period plus 12 weeks of treatment period; patients reaching partial or complete remission (SCCAI <5 at end of treatment) underwent an additional 8-week follow-up without study medication (see Appendix Figure A1).
Early clinical trials showed that transgene expression in the airways was transient whereas maximal duration of transgene expression is essential in order to minimise the frequency of aerosol treatments.
