Hecla Mining benefits from Tier-1 jurisdiction assets, record revenues, and increasing production. Read why HL stock is ...
Abstract: In this paper, the issue of high windage loss caused by the salient-pole rotor of a 6-stator-slot/4-rotor-pole (6/4) high-speed flux-switching permanent ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback