The distribution and concentration of rare earth resources in the world is high. According to the data released by the United States Geological Survey (USGS), the world's total reserves of rare earth resources are about 120 million tons, among which China's reserves are 44 million tons, accounting for about 37.8%, Vietnam's r...
Rare earth permanent magnet motor is one of the three important components of new energy vehicles, which are different from traditional vehicles. It is also the power source of new energy vehicles. There are two kinds of permanent magnet synchronous motor and AC asynchronous motor. Motor is a kind of electromagnetic device wh...
NdFeB, a rare earth permanent magnet material, can produce a strong static magnetic field: the effect of static magnetic field on the human body, there is no clear conclusion in the scientific community. At present a lot of data propagandize magnetic field is beneficial to human body, there are a lot of magnetic therapy instr...