These techniques include magnetic resonance imaging (MRI), positron emission tomography (PET), and functional magnetic resonance imaging (fMRI).
这些技术包括磁共振成像(MRI)，正电子成象术(PET)机能性磁共振成像(fMRI)。
These include enhanced emission of infrared (IR) radiation from the earthquake epicentre, as well as anomalies in low-frequency electric and magnetic
包括从地震震中传出来的经过加强的红外辐射，以及不正常的低频电磁现场数据。
Magnetism measuring, Barkhausen noise and magnetic acoustic emission were often used for electromagnetic testing.
电磁检测方法主要有材料磁性量测、巴克好森噪声和磁声发射。
The characteristic of the emission caused in the special spiral magnetic field of hydromagnetic accretion disk is discussed mainly using the formula of curvature radiation.
并着重用曲率辐射公式讨论了在磁流体吸积盘的特殊螺旋强磁场中的辐射特点。
The characteristics of the self absorption of gyrosynchrotron emission arc-investigated detail and its optical depth is estimated from radio microwave source with a magnetic dipole field.
详细研究了高能电子产生的回旋同步辐射自吸收的特性，并用磁偶极子场的射电微波源模型计算了它的光学厚度。
Built to the strict criteria of Defence Standards, ruggedly engineered for shock, and with low noise, vibration and magnetic field emission.
建立了防御标准的严格标准，坚固的设计和冲击，具有噪音低，振动和磁场发射。
A new method is presented for measurement of internal pressure of vacuum interrupters, having no use of magnetic fields but using decay velocity of emission current.
提出了一种无需施加磁场、利用发射电流衰减速度测量真空开关灭弧室真空度的新方法。
The generation of the magnetic signals at LF band may be caused by the emission of electrons from the breaking crystals in the rocks, whereas that of ULF band by the piezomagnetic effect.
微破裂可能产生了偶电层，在破裂过程中向外辐射，产生了LF频段的磁信号，UL F磁信号则主要由压磁效应产生。
By the classical electromagnetic theory, the effect of applied electrical and magnetic field on THz emission can be attributed to the acceleration motion of carriers in semiconductors.
借助于经典电磁理论的定性分析，认为太赫兹发射光谱在外加电场、磁场作用下的增强起源于半导体中载流子的加速运动受外加电场和磁场的影响。
The zero magnetic field experiment shows that the ULF received by instrument comes from the emission of underground object.
零磁场实验表明传感器在地面接收的超低频电磁波来自地下地层等地质体的辐射。
We are able to measure the sun's particle emission and map its magnetic field.
我们可以测量太阳的粒子辐射和描记它的磁场。
A diagnostic imaging arrangement comprises a magnetic resonance examination (1) system to acquire magnetic resonance signals and an emission tomography system (2) to acquire nuclear decay signals.
一种诊断成像装置包括用于获取磁共振信号的磁共振检查(1)系统和用于获取核衰变信号的发射断层摄影系统(2)。
The results show that THz emission spectra are enhanced by the applied electrical and magnetic field, while their frequency components and bandwidths are not changed.
实验表明，太赫兹时域发射光谱和频谱在外加电场、磁场作用下都有增强，但是所发射的频率成分和带宽都没有改变。
The particle has stronger relaxation capacity and phosphorescent light emission property, can be used for preparing magnetic resonance imaging contrast agents and realizing dual functions.
该粒子有较强的弛豫能力，同时具有磷光发射的性质，可用于制备磁共振成像造影剂，实现了双功能。
Specially, the impact of the self-generation magnetic field on the harmonious emission is emphasized, including the experiment according the theory.
重点阐述了超短超强激光-等离子体相互作用中自生磁场对谐波发射影响的理论以及根据该理论完成的实验测定。
Use of axial magnetic fields of appropriate strengths enhances the intensity of spontaneous emission spectrum, the enhancements are more marked at the principal and the lower harmonics.
数值分析表明：在平面摆动器中附加适当的轴向磁场，可以提高各次谐波辐射的强度，对于基波和较低次谐波，提高更明显。
A large number of documents indicate that magnetic acoustic emission (MAE) is very sensitive to stress in materials, thus the latter could be discovered by the intensity variation of the former.
诸多资料表明，MAE强度对材料内的应力十分敏感，通过测量MAE强度变化，就可以探知材料中的应力状态。
A large number of documents indicate that magnetic acoustic emission (MAE) is very sensitive to stress in materials, thus the latter could be discovered by the intensity variation of the former.
诸多资料表明，MAE强度对材料内的应力十分敏感，通过测量MAE强度变化，就可以探知材料中的应力状态。
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