查询词典 alternating tensor

Diffusion tensor imaging is actually a specialized form of magnetic resonance imaging.

弥散张量成像其实是核磁共振成像的特殊形式。

We derive the relations between physical and tensor components.

我们推导物理分量和张量分量之间的关系式。

Objective To evaluate the applied value of diffusion tensor imaging technique in neurosurgical treatment for brain tumors.

目的 评估磁共振弥散张量成像技术在脑肿瘤微侵袭手术治疗中的应用价值。

In chapter 5, the propagation properties of partially coherent flat-topped beam are analyzed by tensor method.

第五章主要利用张量方法分析了部分相干平顶光束的一些传输特性。

Two MR techniques that are already in frequent use are MR spectroscopy and diffusion tensor imaging.

磁共振波谱和弥散张量成像已经是两种常用的磁共振技术了。

Therefore, 3D inversion should include all tensor elements if possible.

因此，在三维反演时应尽量反演所有的张量元素。

In this paper we studied the general forms and properties of tensor Green functions in waveguides with the methods of eigenfunctions expansion.

本文以本征函数展开的方法，研究了波导管中格林函数的一般性质和形式。

Based on vector algebra method and using finite rotation tensor, a kinematic model for suspension guiding mechanism is established, and the sensitivity analysis of hard-points is carried out.

采用有限转动张量，结合矢量代数法，建立了悬架导向机构的运动学数学模型，并对硬点作灵敏度分析。

Methods Formalin-fixed rat and cat brains was examined on a 3.0 Tesla MR scanner with a quadrature wrist joint coil using single shot echo planar diffusion tensor imaging. Observing how to place brain tissue could decrease geometry deformation of DTI comparing T2WI.

方法运用3T磁共振扫描仪和正交腕关节线圈，采用单次激发回波平面扩散张量成像序列扫描猫、大鼠脑标本，观察何种放置方法获得的DTI图像相对于常规T2加权图像有最小的几何变形。

Based on the extended Huygens-Fresnel principle and the quadratic approximation of phase structure function, we have derived the analyticl expression of the spatial degree of coherence for partially coherent flattened beams propagating through the slant turbulent atmosphere with the help of tensor integral, then analyzed the effects of different zenith angle, propagation distance, coherence of source and outer scale of turbulence on the spatial degree of coherence on the receiver.

基于广义惠更斯-菲涅耳原理和相位结构函数的平方近似，运用张量积分的方法导出了部分相干平顶光束通过斜程湍流大气传输后接收面光束空间相干度的解析表达式，分析了不同天顶角、传输距离、光源相干性以及湍流外尺度对接收面光束空间相干度的影响。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48