It starts by presenting diffraction equations from a ... medium is simple as the spherical wavelets interfere without obstacles, and the total wavefront propagates spherically in the medium. However, ...

quadratic equations, spherical trigonometry and sines as well as the decimal system with place value. “His extensive calculations and observations enabled him to calculate the value of pi – 3. ...

These continuum models are based on systems of partial differential equations equipped with suitable auxiliary ... the material response to the system’s state based on physical parameters. The laws of ...

Determining elasticity and viscosity maps through the solution of an inverse problem based on elastic wave propagation equations and underlying assumptions ... Full derivation of relevant mechanical ...

Balance for the biomass in the reactor: Balance for the substrate in the reactor: Balance for the biomass in the whole system (reactor + settling tank): These three equations can be ... changing any ...