The phrase "afterwards extended" is correct and usable in written English.
It can be used to indicate that something was extended after a certain event or time period.
Example: "The deadline for the project was initially set for March, but it was afterwards extended to April."
Alternatives: "subsequently extended" or "later extended".
The investigations, begun in the Færöe Channel with the Walwin (36 tons), which was replaced in 1902 by the Silver Belle (130 tons), were afterwards extended to the Azores and Gibraltar.
NDMA was initially presented in [18] for flat-fading channels and, afterwards, extended to multi-path time-dispersive channels in [19].
The original structure of Agrippa was afterwards extended north by Hadrian, and connected with the Pantheon by a series of halls, of which only small sections have been found (NS 1877, 271; 1878, 93; 1881, 278; 1886, 159; BC 1886, 219; LS II.236; Mél. 1885, 3 ff., pl. I), except in the case of that directly adjoining the Pantheon.
After the survey, a national IDD control program started to operate, first in mountainous provinces and afterwards extended to the whole country.
KNApSAcK is a metabolomics database which was initially developed as a species metabolite relational database [ 45] and afterwards extended to KNApSAcK family databases containing information about herbal medicines [ 46, 47] and metabolite activities [ 3].
These irregularities are generated in the equatorial region and afterwards extend to lower latitudes.
The city gates were demolished in 1851 and soon afterwards development extended to the area south of the river.
Serbian forces captured Florina and Kastoria shortly afterwards, thereby extending their hold over western Macedonia.
Afterwards, Mks extending proplatelet in the indirect co-culture cultured were harvested, or previously gently removed from the feeder layers when cultured in a direct cell-cell contact, and cytospun onto glass coverslips before being stained with the antibody against CD61 (see below).
The effect of temporal reuse on schedule capacity is determined for schedules optimised in the unaware rate region C with transmission rights extended afterwards.
Afterwards [9] extended the chemoreceptor family in Drosophila to 130 receptors of 68 Grs and 62 Ors.
