Rock magnetism is strongly correlated with the content of paramagnetic impurities (iron and manganese).
岩石的磁性与其顺磁杂质（铁和锰）的含量有关。
2
The particles of the paramagnetic nanometers-iron nuclide targeting therapy system, utilizing guided by the revolving magnetic field, was studied theoretically using MATHCAD simulations.
该研究使用MATHCAD软件对旋转磁场引导的顺磁纳米铁核素粒子靶向治疗系统进行理论研究。
3
The most common magnetic muds contain iron filings or magnetite. Other paramagnetic minerals such as hematite and ilmenite may contribute, although their magnetic susceptibility is considerably less.