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.
Dose-rate pattern characterized by an initial exponential increase in dose rate, followed by an exponential decrease in dose rate. The dose rate increase half-time Ti is the time required for dose rate to increase to about one-half of its maximum value. The dose rate decrease half-time Td is the time required for dose rate to decrease to about one-half of its maximum value.
