Method to determine electron relaxation times, T1, in EPR tomography
    1.
    发明公开
    Method to determine electron relaxation times, T1, in EPR tomography 审中-公开
    在einer EPR-Tomographie中的Verfahren zum Ermitteln von Elektronenrelaxationszeiten T1

    公开(公告)号:EP2515102A1

    公开(公告)日:2012-10-24

    申请号:EP12002053.2

    申请日:2012-03-22

    IPC分类号: G01N24/10 G01R33/60

    CPC分类号: G01R33/60 G01N24/10

    摘要: A method for determination of the images of electron relaxation times, T 1 , in EPR tomography consists in the resultant relaxation time, T 1 , established from the ratio of amplitudes of signals recorded for various scanning directions is found, whereupon a variability function of the resultant relaxation time, T 1 , is found for at least two different scan frequencies, whereupon projections for the respective relaxation times are established for every point of the recorded spectra by matching functions specific for the respective relaxation times to the resultant function of variability of relaxation time, and then images are reconstructed in 1D or in 2D or in 3D depend of the experimental conditions.

    摘要翻译: 在EPR断层摄影中,用于确定电子弛豫时间T 1的图像的方法在于找到从针对各种扫描方向记录的信号的振幅比建立的最终弛豫时间T 1,由此可以得到 对于至少两个不同的扫描频率,找到合适的弛豫时间T 1,由此通过将相应的弛豫时间特有的功能与产生的松弛变化的函数相匹配的功能,为记录的光谱的每个点建立相应松弛时间的投影 时间,然后在1D或2D或3D依赖于实验条件重建图像。

    Method to generate magnetic fields of high uniformity and compensation of external dispersed field, and system for its embodiment
    2.
    发明公开
    Method to generate magnetic fields of high uniformity and compensation of external dispersed field, and system for its embodiment 审中-公开
    一种用于产生高均匀度的磁场和补偿外部杂散场以及系统及其实现方法

    公开(公告)号:EP2487500A1

    公开(公告)日:2012-08-15

    申请号:EP12000839.6

    申请日:2012-02-09

    IPC分类号: G01R33/381 G01R33/421

    CPC分类号: G01R33/421 G01R33/381

    摘要: The present invention relates to a method to generate magnetic fields of high uniformity within the object examined and compensation of external dispersed field, and a system for its embodiment, which method is applicable in magnetic resonance tomography. The method to generate magnetic fields of high uniformity within the object examined in which two pairs of coils (1) and (2) are used in which the current flows in the same direction and sense. The system is composed of two pairs of coils (1) and (2), which, preferably, have the same radiuses, are situated coaxially, are attached to the housing of the tomograph in a permanent, detachable manner, and in which the current flows in the same direction and sense.

    摘要翻译: 本发明涉及一种方法来生成检查对象和外部分散字段的补偿,并且对于它的实施例,其方法适用于磁共振断层成像系统内的高均匀性的磁场。 的方法,其中,两对线圈(1)和使用(2)检查对象内产生高均匀度的磁场,其中,电流流过在相同的方向和感。 该系统是由两对线圈(1)和(2)其中,优选地,具有相同的半径,同轴地位于,连接到断层成像在一个永久性的,可拆卸的方式在壳体中,并且其中所述当前 在相同方向上与感测流动。