Magnet system composed of main magnetic body, gradient coil and radio frequency coil.
其中磁体系统包括主磁体、梯度线圈和射频线圈。
The part of gradient coil near shell forms chamfer Angle to lay more sound absorption material.
所述梯度线圈靠近外壳的部分形成倒角，以放入更多的吸声材料。
So we suggested that the induced current should act as an important role in MRI gradient coil design in the future.
因此，应把感应涡流值作为梯度线圈的优化设计的重要参数。
The present invention discloses an MR system comprising an improved gradient coil that does not compromise patient comfort.
本发明公开了一种MR系统，其包括并不有损患者舒适性的改进的梯度线圈。
Objective Gradient coils of the intraoperative MRI system developed in recent years are required for low inductance and high coil efficiency.
目的近年来出现的新型术中MRI系统对于梯度线圈提出了很高的要求，尤其重要的是低电感和高效率。
The invention provides a cooling method and a device of a magnetic resonance imaging system. The magnetic resonance imaging system comprises a magnet, a gradient coil and an RF control console.
本发明提供了一种磁共振成像系统的冷却方法及装置，所述磁共振成像系统包括一个磁 体，一个梯度线圈以及一个射频控制台。
The phase mapping method of a field inhomogeneity based on an Z axis pulse field gradient and polynomial fitting procedures of the axial shimming coil currents were described.
通过对Z轴磁场梯度和匀场线圈电流的多项式拟合，以获得磁场不均匀而引起的相位分布。
A framework (8, 9) supports the gradient generation coil assembly and is connected to the support assembly or to the main magnet near the support assembly.
构架(8,9)支撑梯度产生线圈组件并与支撑组件或支撑组件附近的主磁体相连。
The gradient generation coil assembly is stiffened to suppress low frequency vibration of the gradient generation coil assembly.
梯度产生线圈组件被刚硬化以抑制梯度产生线圈组件的低频震动。
Sound absorbing foam (30, 38) is vibrationally isolated from the gradient generating coil assembly to acoustically isolate the gradient generation coil assembly from the examination space.
声音吸收泡沫（30，38）与梯度产生线圈组件震动隔离以将 梯度产生线圈组件与检测空间声学隔离。
Sound absorbing foam (30, 38) is vibrationally isolated from the gradient generating coil assembly to acoustically isolate the gradient generation coil assembly from the examination space.
声音吸收泡沫（30，38）与梯度产生线圈组件震动隔离以将 梯度产生线圈组件与检测空间声学隔离。
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