"depends predominantly" is correct and usable in written English.
You can use it when you are talking about something that is mostly dependent on one factor. For example, "The success of the project depends predominantly on the dedication of the team."
The long-time steady-state response (if achieved) depends predominantly on normal stress.
The final coating thickness depends predominantly on the processing time and the applied current density.
The metal-loss-limited Q factor depends predominantly on the damping collision frequency, γ.
Previous results [23, 24, 32] suggest that interfacial thermal conductance depends predominantly on the phonon coupling between silicon and metal lattices so that Si/Ag can be simulated without considering the contribution of electron heat transfer.
It is shown for clayey soil samples that the relationship between BET-N2 and EGME SSA depends predominantly on the type of clay mineral and not on the content of organic material.
The pressure required for initial opening of the valve, referred to as cracking pressure, can be adjusted, and depends predominantly on the valve core outer diameter, the sleeve inner diameter, the sleeve wall thickness, and the sleeve material's modulus of elasticity.
This could be confirmed for p-selectin; however, TNFα-dependent induction of PAI-1 and suppression of thrombomodulin seemingly depended predominantly on TNFR1, while both TNFR subtypes were required for the upregulation of tissue factor and endothelial-dependent clotting.
Women especially commented on the cost of grazing restrictions, since their livelihoods depend predominantly on livestock.
CNT chirality triggers anisotropic responses that depend predominantly on the direction of twisting.
In nuclear medicine, fetal doses depend predominantly upon the administered activity.
Process performance and efficiency depend predominantly on decisions made in early phases of process development.
