Weak magnetic signal changes and metal magnetic memory effects of steel tensile samples under the excitation of geomagnetic field were studied.
2
利用磁偶极子理论，建立稳恒微弱地磁场作用下管类试件线状缺陷段产生的漏磁场模型。
The magnetic leakage field distribution above linear defects of a tube sample under the geomagnetic field was modeled according to magnetic dipole theory.
3
本文研究了一个无限长铁质圆柱体在地磁场作用下的感应磁位问题。
The induced magnetic potential of an infinite long irony cylinder under the action of an external magnetic field is studied by the method of finite element.
点击反馈