一种利用永磁铁产生动态磁势差和磁动能输出的方法

本实验采用了两组永磁铁组,一组梯形形状,一组长条形状。在外力的帮助下使两磁组水平交错运行实现了动态磁势差和磁动能输出。实验具有以下几点创新:1.一般的永磁组之间是阻力大动力小而本实验是动力大阻力小。2.通过梯形布局实现了动态磁势差(磁力差)和磁动力周期循环。3.通过利用永磁铁磁对齐移动的特性实现了磁动能的做功输出。4.局部能量不守恒使磁动力功大于单边阻力功两倍,使磁动力功同时有了克服内部磁阻力和输出磁动力的势能。

梯度磁场中磁性矿粒之间的磁分离张力

在有梯度的磁场中 ,不同位置处的磁性矿粒所受磁力不同。相邻磁性矿粒之间所受的磁力差会产生相互分离的磁张力。推导出了磁分离张力公式 。

False anomaly recognition with horizontal differential field lines method in high-density electrical technique and its application in Xinlei Quarry,Jiuquan

As an important geophysical tool,high density electrical technique infers the underground geological structures by processing and inverting the apparent resistivity data.Currently,the false anomalies have been frequently occurred in the graph of apparent resistivity pseudo-section or inverted geoelectrical section obtained from high-density electrical technique,and are difficult to remove.In this study,the authors explain the mechanism of the false anomalies and put forward the horizontal differential field method to identify the false anomalies.Based on the analysis of modeling results,this method is applied in the surveying data in Xinlei Quarry of Jiuquan,and the results confirm the effectiveness of the horizontal differential field method.