线吸收系数 linear attenuation coefficient(1) 目前没有对本词条修改信息

linear attenuation coefficient     Research on Efficient Linear Attenuation Coefficient(ELAC)of Spectrum Effect with Combined Method     有效线吸收系数能谱效应综合法研究 短句来源   “线吸收系数”译为未确定词的双语例句     The relation between the line attenuation coefficient and the material thickness of FTO has been studied, and the function between them has been given.     用数值模拟的方法研究了FTO客体材料的线吸收系数随着穿透材料深度的变化关系,并拟合出材料有效线吸收系数与厚度之间的函数表达式。 短句来源     Specially,the average efficient attenuation coefficient in the FTO is 0.838cm~(-1) for tungsten with precision of 4.5% and 0.297cm~(-1) for copper with precision of 5.0%.     FTO客体中钨的平均有效线吸收系数0.838(4.53%)cm-1,铜的平均有效线吸收系数0.297(4.96%)cm-1,能谱效应对有效线吸收系数的影响小于5%。 短句来源     Research on spectrum effect on attenuation coefficient with analytical method     线吸收系数能谱效应解析法研究 短句来源     Separate expressions for the transmitted, and multiply diffracted power are obtained, which enable the effective absorption coefficient to be calculated.     文中分别得出了透射线及多次衍射线功率的表达式以及有效线吸收系数。 短句来源     The spectra for the region with longer optical length are nearly the same, and so it is with the spectrum averaged photon energy for the region. This energy is in the regime where the attenuation coefficient of the high Z element is the smallest.     深穿透区各点之间的谱形差别不大，谱平均光子能量近似相同，并且位于使高 Z材料的光子线吸收系数最小的能量范围内。 短句来源 更多        查询“线吸收系数”译词为用户自定义的双语例句     我想查看译文中含有：的双语例句

为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法，我们为您准备了出自英文原文的大量英语例句，供您参考。   linear attenuation coefficient It is based on optimization of the CT-scanner output characteristic (the dependence of the measured linear attenuation coefficient on the calculated value). 例句来源       The density estimation method is based on the measurement of the linear attenuation coefficient of wood. 例句来源       This bias was reduced by replacing 0.096?cm-1 in the transformation by the linear attenuation coefficient of 0.093?cm-1 obtained from germanium-68 transmission scans. 例句来源       Known relationships describing the dependence of the linear attenuation coefficient on the radius and the index of refraction of a spherulite can be applied in evaluations. 例句来源       Tomographic images are maps of the spatial variations within a specimen of the average linear attenuation coefficient for the input X-ray spectrum, a quantity that depends strongly on mass density and also on atomic number. 例句来源       更多

Account is taken of the change in the state of polarization of multiply diffracted X-rays in mosaic crystals, and a more rigorous treatment of secondary extinction is given. Separate expressions for the transmitted, and multiply diffracted power are obtained, which enable the effective absorption coefficient to be calculated.             本文考虑了嵌镶晶体中经各级衍射的X射线的偏极化状态的变化,对次级消光效应作了较严密的处理。文中分别得出了透射线及多次衍射线功率的表达式以及有效线吸收系数。 文摘来源          The transporting process of X ray's photons in the sphere symmetric object is simulated with the Monte Carlo method. The simulated results of spectra of the output photons on the recording plane are presented, including flux spectra and exposure spectra of the direct photons and the scattering ones, in cases of single object and full system. It is shown that the spectrum on the border of object is in analogy to the bremsstrahlung spectrum of the target. The spectra for the region with longer optical leng...             用 Ｍ ｏｎｔｅ Ｃａｒｌｏ 方法模拟球对称客体系统的闪光照相中 Ｘ 光光子的输运过程。分别在单客体情况和全系统情况下，给出了记录平面上各种光子谱及其在记录平面上的空间分布。结果表明：记录区边缘的谱形与源光子谱形很相似；深穿透区各点之间的谱形差别不大，谱平均光子能量近似相同，并且位于使高 Ｚ材料的光子线吸收系数最小的能量范围内。结果还表明，高能闪光照相的光子能谱会因客体中光子的光程不同而有较大的差别。 文摘来源          This paper describes the determination of relative self absorption coefficients for cylindrical samples, calculation of gamma rays absorption efficiency and determination of full energy peak efficiently for cylindrical sample gamma rays.             本文介绍了圆柱型γ体源相对自吸收因子的确定和γ射线线吸收系数的计算方法，以及质量密度不同、高度不同的圆柱型样品的γ射线全能峰效率的确定程序。 文摘来源   << 更多相关文摘

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