The phrase "are explained not only" is correct and usable in written English.
It is typically used in a context where you want to emphasize that something is explained in multiple ways or aspects, often followed by "but also" to introduce additional information.
Example: "The concepts are explained not only through text but also with visual aids to enhance understanding."
Alternatives: "are clarified not just" or "are detailed not only".
Dynamics in socio-technical systems are explained not only by interactions between modes of structuration and developments over time, but also by interactions between actors and institutions situated across different levels of spatial scale.
The growth, suppression, and death of neoplastic cells are explained not only by their genotypes and phenotypes but also by the microenvironments they inhabit.
However, in a mixed SEM (as presented by [ 13]) with independent residuals, associations between observed traits are explained not only by causal links between them, but also by genetic reasons.
This behavior is explained not only by the binding effect allotted to the limestone fillers, but also by an improvement of the paste-aggregates bond.
In addition, variations of focal mechanisms may be explained not only by heterogeneous stress but also by heterogeneous strength of faults (e.g., Rivera and Kanamori 2002).
Most of major phases can be explained not only for stations near the source area but also for the stations far from it.
Differences can be explained not only by different properties of the applied AgNP but also by the preparation of the sewage sludge.
In TRIP steel, the yielding behaviour may be explained not only by dislocation density but also by other factors due to the complex structure of this steel.
Such change in ACF can be explained not only by seismic velocity change but also by rainfalls (Sens-Schonfelder and Wegler, 2006) or contamination by earthquake signal.
This may be explained not only by the challenges and obstacles in technology development but also by the social relations within the collaborations.
The main conclusion is that the delay of the projects is explained not only by a lack of stability within the electricity regime, but also by a mismatch of the rules of respectively the agricultural regime and the waste regime.
