The phrase "additional stage" is correct and usable in written English.
It can be used when referring to an extra phase or level in a process, project, or development.
Example: "Before we proceed to the final review, we need to complete the additional stage of testing."
Alternatives: "extra phase" or "supplementary step".
Thermoset processes involve an additional stage of polymerization and/or chemical cross linking.
The additional stage of degradation seen in the Hydrogel can be attributed to the pepsin enzyme, which is added to the solubilization process27.
The approach is evaluated in two scenarios, one in which the contextual information is directly provided with the images, and the other where it must be inferred in an additional stage.
To report the technique, timing, and outcomes of the Ahmed glaucoma drainage device in eyes with the modified osteo-odonto-keratoprosthesis (MOOKP) and the role of an additional stage 1A to the Rome-Vienna protocol.
The experimental data were used in a calculation tool to investigate the membrane area and energy requirement of two module design alternatives during concentration of the retentate in an additional stage.
For saturation estimation, an additional stage is developed, in which the pressure and velocity samples are first generated by the sparse grid interpolation and then substituted into the transport equation to solve for the saturation samples, to address the low regularity problem of the saturation.
In this case, there were a couple of additional stages.
In the conference rooms of the arena, four additional stages were set up for smaller performances.
So it requires additional stages of filtration and disinfection to make the water drinkable.
The design makes estimation of local error and interpolation of the solution possible without additional stages.
The facility was designed to be enlarged after stage one in two additional stages, whose scheduling would be determined by national power needs.
