We've tested and reviewed over 25 of the best gravel bikes, covering all options from gravel racing to bikepacking adventures When you purchase through links on our site, we may earn an affiliate ...

Abstract: The fundamental magnetization curve, or BH curve, represents the relationship between magnetic flux density B and magnetic field strength H when H varies periodically, typically determined ...

Abstract: There are difficulties in selecting and designing probe sizes for nondestructive testing of steel pipelines using harmonic magnetic field detection technology under different operating ...