Example image of eyePlorer eyePlorer map for 'Continuity equation': Conserved quantity Differential equation Electric charge Mass Momentum Conservation law Divergence Flux Divergence theorem Function (mathematics) Navier–Stokes equations Advection Charge conservation Maxwell's equations Charge density Current density Ampère's circuital law Gauss's law Fluid dynamics Steady state Incompressible flow Quantum mechanics Probability density function Four-current Lorentz covariance Dimension Spacetime Conserved current Current superfield Madelung equations P-form electrodynamics Primitive equations Relativistic Euler equations Chemical transport model Multiphase flow Optical theorem Taylor–Green vortex Kelvin wave Momentum thickness Spin tensor Convection–diffusion equation Haynes - Shockley experiment Discharge (hydrology) Hagen–Poiseuille flow from the Navier–Stokes equations Diffusion equation Liouville's theorem (Hamiltonian) Poynting's theorem MEMO Model Solutions of the Einstein field equations Boussinesq approximation (water waves)