Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
CT number versus effective phantom diameter for the seven contrast elements. a) CT number at 60-keV VMS from DECT. b) CT number at 80-kVp from SECT. c) CT number at 80-keV VMS from DECT. d) CT number at 140-kVp from SECT. Error bars represent the +/− the standard deviation among the 10 measurements taken for each data point, and are generally too small to see in these plots.
