尺寸较大的样品能获得更高的衬度。
目的探讨同步辐射相位衬度成像在形态学研究中的应用前景。
Objective the purpose of this study was to explore the application of synchrotron radiation X-ray phase-contrast imaging in morphology.
铁电畴图像复杂的畴衬度与晶粒中的畴排列和晶粒的取向密切相关。
Complex domain contrast is related to the arrangement of domains in grains and to the orientation of the grains in the film.
对全息测量下的X射线相位衬度断层成像问题提出了一种新的重建算法。
A new algorithm for phase contrast X-ray tomography under holographic measurement was proposed.
本文综述了硬x射线相位衬度成像的概念、成像原理、成像特点和临床应用情况。
This review describes the concept and principle of the hard X-ray phase-contrast imaging, and its imaging features and the condition of clinical use.
衬度异常法和归一化法的计算模型近于一致，对弱小异常也有一定的识别作用。
Contrast anomaly method and normalization method have the near same calculating model, and can also identify puniness anomalies.
其衍射斑点的形态、衬度及条纹变化反映了金刚石晶体结构变形的程度和复杂性。
Contrast and the interior structure of reflexes in Laue patterns indicate the degree and complexity of crystal deformation.
对该技术衬度误差的形成机理及形式进行了分析研究，并给出了四种基本误差形式。
In this paper, the contrast error of this technique is studied, and four basic error-forms are discussed.
异常规模可观，具浓度分带，有浓集中心，异常标准离差、衬度值及峰值高，局部还伴生高值钼异常。
The anomalies are large in size, and have concentration zoning, concentration centers and high standard deviations as well as high threshold values, associated locally with Mo anomalies.
本文对矩形光栅编码图片的衍射零级与其它各级单独所成的象，其衬度能够反转的现象，提出了新的理论分析。
A new theoretical analysis of the contrast reversal images for the zeroth and other diffraction order encoded by a rectangular grating is given.
X射线相衬成像在提高人体软组织成像的衬度分辨率及空间分辨率研究中具有潜在优势，是一项有着广阔发展前景的技术。
The X-ray phase contrast imaging has bright perspectives and great potential advantage in clinical diagnosis especially to improve the spatial resolution and the contrast resolution of soft tissues.
通过对盐晕形成机理及其提取方法的研究，在已知隐伏矿体上方获得了清晰的盐晕异常，且比光谱全分析结果所获异常衬度大。
Through a detail study on their formation mechanism and extraction method, distinct saline halo anomalies over some known concealed ore deposits were obtained.
在国内外普遍使用的细栅距幅光栅叠栅条纹系统中，衍射效应是很明显的，这是造成叠栅条纹信号的衬比（度）和正弦性不好的主要原因。
In an amplitude grating system of small grid pitch, the diffractive light is the main cause to deteriorate the contrast and sinusoidal property of Moiré signals.
在国内外普遍使用的细栅距幅光栅叠栅条纹系统中，衍射效应是很明显的，这是造成叠栅条纹信号的衬比（度）和正弦性不好的主要原因。
In an amplitude grating system of small grid pitch, the diffractive light is the main cause to deteriorate the contrast and sinusoidal property of Moiré signals.
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