衬度

chèn dù
  • contrast
衬度衬度
衬度[chèn dù]
  1. 双能光子吸收法提高CT衬度(密度)分辨率的研究

    Improvement of CT Contrast ( Density ) Resolution By Dual Photons Absorption Method

  2. 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 .

  3. 硬X射线相位衬度成像在医学影像学中的应用

    Application of the hard X-ray phase-contrast imaging in the medical imageology

  4. 医学X射线相位衬度显微成像的原理与应用

    Principle and Application of Medical X Ray Phase Contrast Microimaging

  5. 硬X射线相位衬度成像技术的动物实验研究

    Experimental Study on the Medical Application of Hard X-Ray Phase Contrast Imaging Techniques

  6. 常规X射线成象技术是建立在吸收衬度和几何光学基础上。

    Conventional X ray radiography is based on absorption contrast and assumes geometrical optics .

  7. X射线衍射增强成像中的折射衬度

    Refractive Contrast in X-Ray Diffraction Enhanced Imaging

  8. 介绍了硬X射线(类同轴)相位衬度成像的工作原理及其实验研究结果。

    The principle and experimental results of hard X-ray phase-contrast imaging are presented in the paper .

  9. X射线相位衬度CT

    X-ray phase-contrast computed tomography

  10. 邻苯二甲酸氢钾(KAP)单晶中包裹物的X射线衍射形貌衬度

    X-ray topographic contrast of inclusions in crystal of potassium acid phthalate

  11. Z衬度扫描透射电子显微术的前沿进展

    Z-contrast scanning transmission electron microscopy in materials science

  12. X射线相位衬度成像是近十多年来发展起来的一种新的成像方法。

    X-ray phase contrast imaging is a relatively recent technique that has heralded rapid advances during the last decade .

  13. 光栅成像法可以采用常规x射线管实现相位衬度成像,与其他方法相比,更具有实际应用的可能。

    The grating-based methods seem more promising than others in realizing practical phase-contrast imaging systems by using conventional x-ray tube .

  14. 医学相位衬度〔简称相衬〕显微CT成像将是医学显微影像学的未来发展方向。

    It is concluded that the medical phase contrast micro-CT is a new developing technique of the medical imaging in the near future .

  15. 衍射增强成像的若干基础问题研究Ⅰ衍射增强成像的衬度与X射线能量的关系

    Studies on some basic problems about diffraction enhanced imaging ⅰ . Relation between the contrast of imaging and the energy of X-rays

  16. 模拟扫描电镜像衬度的体构件MonteCarlo方法

    Combined Monte Carlo method with constructive solid geometry modeling for the simulation of image contrast in scanning electron microscopy

  17. 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 .

  18. 在PCVD过程中衬度温度对Si沉积膜的影响

    The Influence of Substrate Temperature on the Si Deposition Films during the Process of PCVD

  19. 衍射增强成像(DiffractionEnhancedImaging)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。

    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 .

  20. 对比了相位衬度与吸收衬度的成像结果,阐明了相位衬度在硬X射线细胞成像中的显著优势。

    Comparison between phase contrast and absorption contrast was made , indicating the obvious advantage of phase contrast for cellular imaging at hard X-ray energy range .

  21. 近年来X射线相位衬度成像技术作为一种新的成像方式凭借其空间分辨率高的优势已经成为生物、医学以及材料科学等领域一种新的独具本领的研究工具。

    Recently the technique of phase contrast imaging has become an useful and special tool in biology , material science etc. due to its high resolution .

  22. 系统还提供了异常解释功能,能以衬度异常的面金属量NAP值自动圈定异常。

    And a function of anomaly explanation .

  23. X射线相位衬度成像是一种新型的X射线成像技术,通过记录射线穿过物体后相位的改变对物体进行成像,可以提供比传统的X射线吸收成像更高的图像衬度以及空间分辨力。

    The X-ray phase-contrast imaging method , which images the object by recording the phase change after X-ray passing through the object , is a new X-ray imaging technique .

  24. 本文介绍一种用于提高结晶高聚物PET和PBT电子显微图象衬度的丙烯胺四氧化锇染色方法。通过列举的照片,可以直接观察到结晶PET和PBT的两相结构晶区和无定形区。

    A staining method with allylamine and Osmium tetroxide for the analysis of crystalline polymer PET and PBT is presented in this paper .

  25. 基于北京同步辐射装置(BSRF)开展了同轴X射线相位衬度计算机X射线断层摄影术(CT)研究。

    To develop the in-line X-ray phase-contrast computerized tomography ( CT ) method based on synchrotron radiation in Beijing Synchrotron Radiation Facility ( BSRF ) .

  26. 结合相位衬度成像和纳米CT等新技术,分析了X射线显微技术应用于细胞成像的优势、现状和前景。

    The new techniques in X-ray microscopy such as Zernike phase contrast and nano-CT were introduced . The advantages , current situation and potential of X-ray microscopy in cellular imaging were analyzed .

  27. 硬X射线显微术用于细胞成像主要困难在于成像衬度低。

    Thus , this technique has the potential to become a useful tool for cellular imaging . The major difficulty of hard X-ray microscopy in cellular imaging is the low imaging contrast .

  28. X射线相位衬度成像对弱吸收物质有着独有的高密度分辨率,在医学、生物学、以及材料学上显示出良好的应用前景。

    X-ray phase contrast imaging always provides high density resolution when images weakly absorbing material , which shows wide prospect of application in many fields such as medicine , biology and material science .

  29. 本文对应用双能量光子扫描吸收法以提高CT衬度(密度)分辨率的原理进行分析,并探讨其实际应用的可行性。

    Method and Conclusion The principle and mechanism of the dual photons absorption method to improve the CT contrast ( density ) resolution were suggested and analyzed . The feasibility of this method in practical application was also discussed .

  30. 采用扫描电镜电子通道衬度(SEMECC)技术,系统地研究了铜晶体中各种不同晶界的疲劳开裂行为。

    Intergranular fatigue cracking mechanisms of copper crystals containing various grain boundaries ( GBs ) were investigated by electron channeling contrast ( ECC ) technique in scanning electron microscope ( SEM ) .