The phrase 'reciprocal relation' is correct and can be used in written English.
It typically describes a situation in which two parties (such as two people, countries, organizations, etc.) both have an impact on, or benefit from, the other. For example, you could say, "The two countries had a reciprocal relation, with both offering goods and services to one another."
Moss and Price in [7], building on the 1974 deNeufville et al. [6] observation and interpretation of the FSDP proposed that the position this feature, Q1(Å−1), "can be related, via an approximate reciprocal relation, to a distance R in real space by the expression R = 2π/ Q.
Traditionally, the calculus had been concerned with the two processes of differentiation and integration and the reciprocal relation that exists between them.
Bhakti is conceived as a reciprocal relation between mortal and God, a manifestation of God's power in humanity.
In addition to usual reciprocal relation L21=L12 it gives the relation of different phenomenological coefficients of the Onsager description.
The extended application of focused ion beam (FIB) technology is dependent on the complicated reciprocal relation of operating parameters, which influence the FIB processes.
Finally, the reciprocal relation between the source and the receiver is confirmed using numerical simulations of a plane stress model of an elastic isotropic plate.
Olmert and Abbas both acknowledged that reciprocal relations would be necessary, not some hermetic separation.
It also acknowledges interactions between people and spaces, reciprocal relations and flows.
Mass transfer equations for pervaporation were derived based on the nonequilibrium thermodynamics principles [L. Onsager, Reciprocal relations in irreversible process I, Phys. Rev. 37 (1931) 405; L. Onsager, Reciprocal relations in irreversible process II, Phys. Rev. 38 (1931 2265]].
There are two further important groups of evidence for pious and reciprocal relations between people and gods.
Structural equation modeling was used to conduct cross-lagged analyses testing reciprocal relations between depressive symptoms and heavy episodic drinking.
