Describes briefly the working principle of the gradient system in MR imager, analyzes the specific gradientfailure and sums up the troubleshooting of the imager.
简要介绍了磁共振成像仪梯度系统的工作原理，并对特定的梯度故障进行了判断、分析和处理。
2
To fuzzy assess to defect (s) of pressure vessel, it is necessary that security area, that is structure by the currency failure assessment curve, is divided on gradient.
为了对压力容器的缺陷进行模糊评定，需要为通用失效评定曲线组成的安全评定区域进行梯度分区。
3
The scheme adapts to refine the meshes of special regions, such as interior points, around corner points, arcs and circles, which are usually failure regions of parts because of great stress gradient.