repeating pulse transient method
26Al and 10Be depth profile method
combined resistivity profile method
composite profile method
geochemical profile method
horizontal sonic profile method
instantaneous profile method
integral profile method
Nettleton’s density profile method
Sodium profile combined with ultrafiltration profile
acid hydrolyzation method and enzyme hydrolyzation method
cell- recurrence method and fractal box- counting method
CRD method cross diaphragm method