load equivalent with element killed or active method
neutron-neutron(n-n)logging
neutron epithermal neutron log
neutron thermal neutron log
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