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.
The measured flux (NI-LDF) in the tube model during stable flow conditions over 1 hour (0.3 ml/h). The regression line of the data (white dashed line) has a slope of 8.06 * 10−6. The coefficient of variation is 3,5 % of the flux value. Note that the offset was not subtracted.
