“…. [5] Table 1 Interpretation (1) hydrogen protons (ions), compartment 1 y 2 h (2) hydrogen protons (ions), compartment 2 y 3 s 1(1) acetylcholine, compartment 1 y 4 s 1 (2) acetylcholine, compartment 2 y 5 s 2(1) choline, compartment 1 y 6 s 2 (2) choline, compartment 2 y 7 s 3(1) acetate, compartment 1 y 8 s 3 (2) acetate, compartment 2 t t time , y 8 , and independent variable t of eqs.…”