washing with neutral soap method
bubble cap absorption column; bubble cap absorption tower
acid hydrolyzation method and enzyme hydrolyzation method
cell- recurrence method and fractal box- counting method
CRD method cross diaphragm method
ethanol injection method combined with the ammonium sulphate gradients method
exterior marker method and internal marker method
Finile elements method finite difference method
improved method tear pouch method making an epithe
method frequency scanning method
Monazite method CHIME method dating