The phrase "and defined based on" is correct and usable in written English.
It can be used when explaining how something is determined or established according to certain criteria or parameters.
Example: "The project's success metrics are and defined based on the initial objectives set by the stakeholders."
Alternatives: "and determined by" or "and established according to".
Different genetic clades have been identified and defined based on amino acid substitutions found in the haemagglutinin (HA) protein sequences.
Communities in the graphs are detected and defined based on similarity between their vertices; i.e. a community is a group of nodes with the highest degree of similarity between the vertices under that community in the graph.
The mRNA level (mRNA) depends on the concentration of promoter activity based on the equation: mRNA = Φ * PRO, Where Φ ( = 5) is a transcription coefficient factor and defined based on current qualitative research.
The expression of TGF-β1 latent complex in its turn depends on the level of mRNA as shown in the following equation: TGF-β1 = Ω * mRNA; Where Ω ( = 5) is a translational coefficient factor and defined based on current qualitative research.
DR was assessed by dilated ophthalmoscopy and defined based on the WHO International Classification of Diseases.
These nodes were selected and defined based on separate meta-analyses of task-related fMRI studies.
The Clusters follow neighborhood boundaries and are defined based on population and natural community boundaries.
The concepts of a structure represent sets of circuit designs, and are defined based on the similarities and differences in their circuit topology, behavior and performance.
Correlations between BMI and DEXA change metrics were assessed using Spearman's rank correlations and were defined based on the literature.
Damage indices are applicable to different types of structural systems under different loadings and are defined based on parameters indicating economic conditions.
Groups may be simple atoms, and classes defined based on the presence of certain types of atoms can be organised according to the layout of the periodic table.
