The phrase "additionally fixed" is correct and usable in written English.
It can be used when you want to indicate that something has been fixed or resolved in addition to other actions or fixes that have been made.
Example: "The software update not only improved performance but also additionally fixed several bugs that were affecting user experience."
Alternatives: "also corrected" or "further resolved".
For EM, formalin-fixed tissues were additionally fixed in a mixture of 2.5% formaldehyde, 0.1% glutaraldehyde, 0.03% trinitrophenol, and 0.03% CaCl2 in 0.05 mol/L cacodylate buffer, postfixed in 1% OsO4 in 0.1 mol/L cacodylate buffer, stained en bloc in 1% uranyl acetate in 0.1 mol/L maleate buffer, dehydrated in ethanol, and embedded in Poly/Bed 812 (Polysciences, Warrington, PA).
Cells were additionally fixed with 2%PFA/1.5%glutaraldehyde/0.1.1 m sodium cacodylate buffer, and post-fixed with 1% osmium tetroxide/1.5% potassium ferricyanide at 4 °C, and then with 1% tannic acid/0.05 m sodium cacodylate, before being dehydrated and embedded in Epon (TAAB, UK).
Additionally, fixed traffic flows are vulnerable to traffic analysis attacks.
Besides, an additionally fixed individual resonance peak around 1740 Hz appears when we have more than one inverter.
The headphones were additionally fixed to the cylinder phantom using adhesive tape (not shown in the picture).
Liver tissue samples were fixed in 2.5% glutaraldehyde in 0.1 M cacodylate buffer at pH 7.2; then they were additionally fixed in a 1% OsO4 solution in the same buffer.
In all following steps we additionally fix the next least identifiable parameter and recalculate the Hessian and smallest eigenvalue.
Additionally, fixing the tree topology in this analysis did not affect either the median branch length estimate (less than 1% different from the unfixed topology in all cases) or the variance in the estimates.
Whole brains were carefully dissected out of the skull and additionally immersion fixed overnight in the same fixative.
Model 1 included only ethnicity as a fixed effect, and Model 2 additionally included fixed effects of year group, location of school lunch, total length of recess (since eating lunch, which is a sedentary behavior, will take up a higher proportion of time in schools where recess is shorter), temperature, and rainfall (as a dichotomous variable).
Additionally, state fixed effects and control variables of government aid programs are included but not reported.
