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- magnetic resonance frequency 磁共振频率
- When external magnetic field direction and stress field direction are parallel,the resonance frequency is shifted to higher value,and the frequency linewidth becomes wider. 在外磁场方向接近应力场方向时,共振频率向高值方向移动,其它区域共振频率则向低值方向移动。
- This phenomena is called NMR(nuclear magnetic resonance). 这种现象称为核磁共振。
- To visualize(something, as by magnetic resonance imaging. 制造视觉影象通过例如磁共振成像这样的方法来显现(某物)
- To visualize(something,as by magnetic resonance imaging. 制造视觉影象通过例如磁共振成像这样的方法来显现(某物)
- Magnetic resonance imaging (MRI) introduced (early 1980s). 磁共振成像(MRI)发明(80年代早期).
- To visualize(something), as by magnetic resonance imaging. 制造视觉影象通过例如磁共振成像这样的方法来显现(某物)
- This phenomena is called NMR( nuclear magnetic resonance). 这种现象称为核磁共振。
- R.I., or magnetic resonance imaging, of their brains. 他每两年观察他们一次;对他们的大脑进行核磁共振.
- Flaky morphology of magnetic alloy particle material can raise its natural resonance frequency because of strong shape anisotropy, which is advantageous to acquiring high microwave permeability . 薄片形状的磁性合金颗粒材料由于强形状各向异性可使其自然共振频率大大提高,有利于获得微波高磁导率磁性合金。
- However, the resonance frequency(frequency linewidth) is shifted to higher value(is widened) or lower value(is sharpened) depended on the external magnetic field in other region. 而其它范围的共振频率(线宽)是向高值方向移动(加宽)还是向低值方向移动(变窄),取决于外磁场的相对强弱。
- We presened a generalized method for extrapolating signals of compact supported set in frequency domain, and its application to improving the speed of magnetic resonance imaging. 本文提出了一种广义的频域紧支集信号外推的新方法,并将之应用于提高核磁共振成像速度。
- Based on the equivalent circuit, the resonance frequency equation is derived and the resonance frequency is obtained. 在此基础上,推出了弹性薄圆盘径向振动的频率方程以及振子共振频率的表达式。
- What can magnetism resonance check? 磁共振能检查什么?
- The superimposition method adds a signal at its resonance frequency with a signal at the subharmonic frequency. 本研究并提出两类波形以有效诱发穴蚀效应,分别为串接法及重叠法。
- Resonance frequency of the microvalve is much higher than the working frequency of the thermal actuated micropump. 分析表明本文中的微型阀的固有频率比热驱动微型泵的工作频率高得多,因此阀片的动态特性可不予考虑。
- Center for Magnetic Resonance Research, University of Illinois at Chicago. 伊利诺斯大学芝加哥分校磁共振研究中心。
- Changing the structure of the excitation device can change the resonance frequency of the PZT. 通过改变压电陶瓷的结构可以改变压电陶瓷的谐振频率。
- Magnetic resonance image showed an intraorbital, extraconal cystic lesion. 磁共振显示眶内肌锥外间隙囊性病变。
- Brain magnetic resonance imaging revealed hypoplasia of corpus callosum. 脑部核磁共显示胼胝体发育不良。