The phrase "additionally split into" is correct and usable in written English.
It can be used when describing the division of something into smaller parts or categories, often in a formal or academic context.
Example: "The data can be additionally split into three distinct categories for further analysis."
Alternatives: "further divided into" or "also categorized into".
Highly non-circular regions above a third area threshold A3 were additionally split into two spatially separated midges because they may potentially correspond to two distinct midges that overlap only slightly in the frame (see Fig. 3b).
Many survey questions are additionally split into multiple features.
Length of stay is summarised as a continuous variable, and then additionally split into categories.
For the analysis of total length and 3'-UTR length of host genes, hosts were additionally split into two groups, dependent on whether they were predicted to be targets of their intragenic miRNA.
To test the relationship between local H2S production and umbilical artery Doppler waveforms in high-risk pregnancies, we additionally split the PE placentas into two groups with respect to umbilical artery Doppler findings, ie, PE with abnormal umbilical artery Doppler findings (PE-AD) and PE with normal umbilical artery Doppler findings and, thus, normal resistance (PE-ND).
Our BPP analyses supported all MOTUs identified in our PSH and, additionally, split the ambiguous MOTU VIII into two entities, in agreement with GMYC analyses.
Additionally, some linkage groups are split into two with gaps of unknown lengths.
Additionally, the data set was split into four subsets within the familiarity pairings, and separate models were calculated within these subsets to investigate differences between the experimental phases.
Additionally, for every coupling step, resin beads are split into different vials, each containing a unique activated amino acid.
Additionally, each of these files within a run is automatically split into chunks to prevent any one file from getting too large for the tape archiving system.
For non-spread channels, the additionally imposed interference can in analogy to the derivations in Section 3.2 be split into three separate parts.
