phase contrast的例句大全

Analysis on the contrast, phase and period of grating's diffraction image

光栅衍射像的反差、位相和周期的分析

In the phase of region matching, this paper elucidates some matching algorithms commonly used and makes a contrast between the image retrieval efficiency based on the IRM and the UFM matching scheme.

在图像匹配阶段，本文概要阐述了一些常用的图像匹配方法，并对比了IRM和UFM两种匹配方法的图像检索效果。

purpose: to evaluate the diagnostic value of phase-contrast cine mri in differentiating arachnoid cyst from subarachnoid space enlargement and ascertaining the communication between cyst and the neighboring cistern.

目的：评价磁共振相位对比电影法在蛛网膜囊肿与蛛网膜下腔扩大及囊肿与邻近脑池是否相通的诊断价值。

CSF Flow Study by Phase-contrast Cine MRI

脑脊液相位对比动力学MRI研究

Effects of the Coaxis of Encoding Board of Color Contrast Microscope on the Images of Phase Objects

色衬显微镜编码板同轴度对位相物体显微图像的影响

Conclusion DEI is an advanced imaging technique which images by phase-contrast, and it is hopeful for exploitation and the clinical medical application.

结论DEI从相位衬度角度进行成像，是一种有望开发运用于临床的先进成像技术。

Diffraction Enhanced Imaging ( DEI) which is one of X-ray phase-contrast imaging techniques has been one of up-to-date subjects in the X-ray imaging field.

衍射增强成像（Diffraction Enhanced Imaging）作为一种X射线相位衬度成像技术，近年来已成为X射线成像研究领域中的一个热点。

Purpose: At present, the conventional medical X-ray imaging is imaged with absorption contrast, the resolution isn't enough high, however, DEI images by the phase-contrast, not the absorption imaging mechanism, which is adapt to weak-absorption tissue imaging, especially the soft issue.

目的：目前的常规X线医学成像是通过吸收衬度成像，但分辨率不够高，由于DEI采用相位衬度机制而不是依赖于物体的吸收，故适合弱吸收组织尤其是软组织成像。

Phase-Contrast MR Angiography of superior sagittal sinus obstruction

上矢状窦闭塞的磁共振相位对比血液成像

Application of contrast material with normal saline on MSCT double phase cerebral angiography

低剂量对比剂联合生理盐水在MSCT双期脑血管成像中的应用

The use of microscopy of phase-contrast is very useful for very thin cuticles as it shows greater contrast.

对于已经获取到的角质层，利用相差光学显微技术可以增加反差。

Artificial Grounding Shunt and Selecting Phase Left-sided Contrast Echocardiography in Diagnosis of CHD with Left to Right Shunt

人为接地分流与选相左心声学造影诊断左向右分流先天性心脏病

theoretical and experimental investigation of wavefront aberration of pulse compression grating; the research of helical phase-contrast ct algorithm base on grating imaging

脉冲压缩光栅波像差理论与实验研究基于光栅相衬成像的螺旋CT算法研究

analyzing the effluence of edge type on the wavelet edge extraction and combining low contrast and big noise characterizations of ir target image, a canny-based gradient phase detection method is proposed.

针对小波变换不能涉及过多尺度的问题，分析了边缘类型对小波多尺度边缘提取的影响。结合红外目标图像对比度低，噪声大，灰度缓慢变化的特点提出基于Canny算子的梯度相位法。

after contrast administration, the arterial phase images revealed 183 lesions ( 77%) markedly ring enhancement and 41 lesions ( 17%) diffuse homogeneous enhancement and 15 lesions ( 6%) diffuse heterogeneous enhancement.

增强动脉期显示183个病灶（77%）呈明显的边缘强化，41个病灶（17%）呈弥漫均匀的结节样强化，15个病灶（6%）呈弥漫不均匀强化。

Major cells shrunk in 12 h under phase-contrast microscopy, and cell body became atrophic and split with prolonged time.

相差显微镜观察两者联合作用12h大量细胞固缩变圆，随时间延长胞体萎缩裂解。

Observation items of CEUS: the contrast enhancement was divided into early and late enhancement phase.

超声造影观察项目：造影时分为增强早期及增强晚期。

Phase analysis of focal liver lesions with dynamic contrast enhanced gray scale ultrasonography

肝肿瘤的动态灰阶超声造影时相分析

Examples was taken to observe the growth condition of the hMSCs on the microcarriers by the phase-contrast photomicrography at the 1,3,5,7,9,11th day respectively, and cell surface growth factors were examined in the end of the culture.

于培养的第1、3、5、7、9、11d取样在相差显微镜下动态观察细胞生长情况，最后进行细胞表面生长因子的检测。

Experimental Study of Fluid Flow Velocity and Signal Intensity Measured by Phase-contrast Cine MRI

MRI电影相位对比法液体流速与信号强度的实验研究