In a paramagneticmaterial the directions of the magnetic moments vary randomly from atom to atom.
在顺磁材料中,磁矩的方向在原子之间随意变化。
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An experimental observation on stimulated emission of radiation at liquid nitrogen temperature is reported. The paramagneticmaterial is synthetic ruby with about 0.1% chromium in Al2O3.
The needle knife body and the needle knife head are made of a paramagnetic metal material, and a layer of diamagnetic metal material coat is coated on the paramagnetic metal material.