Taking into consideration these two DAS values and {HEAD ~ the material properties} measured in the two locations as shown in FIG 4B, the constants of {TAIL ~ the DAS based equations} can be easily calibrated 
Taking into consideration these two DAS values and { HEAD ~ the material properties } measured in the two locations as shown in FIG 4B , the constants of { TAIL ~ the DAS based equations } can be easily calibrated
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH