Figure 2.
The effect of ac field strength on various harmonic ratios of polydisperse Feridex in a constant dc field of 9.5 mT and an ac frequency of 600 Hz.
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.