Sound velocimeter and X-ray Diffraction ( XRD) were used to measure the crystallization and orientation of the fiber.

The structure and properties of fiber of IPP ( Z30S) blent with different content of chemical degrading modifying adduct have been studied by the way of density, velocity of sound, Xray diffraction and stressmeter.

采用密度法，声速法，X射线衍射，强力试验仪研究了化学降解改进剂含量不同的等规聚丙烯IPP（Z30S）共混纤维的结构和性能；

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Approximate Calculation of the Sound Field of Diffraction of Barrier

声屏障衍射声场的近似计算

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The influences of sound diffraction by a spherical shell on the measurement results and directivity of AVS were calculated by using the approximate equation of mechanical impedances of the thin spherical shell.

采用薄壁球壳机械阻抗近似公式，计算了球壳声衍射对矢量传感器声场测量和指向性的影响。

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Influences of sound diffraction by elastic spherical shell on acoustic vector sensor measurement

弹性球壳声衍射对矢量传感器测量影响

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Its structure was established using X-ray single crystal diffraction analysis.

通过单晶衍射的数据分析，确定了其分子结构。

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The development and application of the X-ray double crystal diffraction technology

X射线双晶衍射技术的发展及应用

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Consistence of Laue Equation And Bragg Equation in Crystal Diffraction

晶体衍射中劳厄方程和布拉格方程的一致性

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Methods: x-ray crystal diffraction method.

方法：X－射线晶体衍射法。

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Progress in materials characterization technique based on in situ neutron diffraction

原位中子衍射材料表征技术的进展

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Technology and Application of Nondestructive Residual Stress Measurement by Neutron Diffraction

中子衍射残余应力无损测量技术及应用

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The technology and application of residual stress analysis by neutron diffraction

中子衍射残余应力分析技术及其应用

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A-fe2o3 ( haematite) was one of the first compounds to be studied by neutron diffraction.

a-fe2o3（赤铁矿）是中子衍射最先研究的化合物之一。

词典精选例句

In order to eliminate the false singularities in the Fringe Components of Equivalent Edge Currents expressions, this paper extends the treatment of false singularities of diffraction coefficients in the Physical Theory of Diffraction into the Fringe Components of Equivalent Edge Currents expressions.

为消除等效电磁流边缘分量表达式中虚假奇异点，将物理绕射理论中处理绕射系数的虚假奇异点的方法推广到等效电磁流边缘分量表达式中。

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In optical measurement, we could calibrate precision instrument and increase the measuring precision by using the laser interference ( diffraction) fringe orders; the fringe orders could be automatically determined by the zero order fringes' minimum chromatic polarization;

光测量主要通过激光发生干涉（衍射），利用干涉（衍射）条纹的级次进行定标、精确测量，利用零级条纹色偏最小原理，对条纹级次进行自动判断；

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The distance between adjacent dark fringes of diffraction fringe of wire is determined at low and high temperature by CCD detector, the value of high temperature is measured by pyrophotometer, and the coefficient of linear expansion of wire is calculated.

利用CCD探测器分别测出常温和高温下金属丝衍射花样相邻暗纹的间距，用光学高温计测出加热时的温度值，从而求出线膨胀系数。

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Analytic Expression of Diffraction Fringe of Varied-line-space Plane Gratings

平面变线距光栅衍射场的解析表达式

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Variation in single slit Fraunhofer ′ s diffraction fringe in transparent medium

透明介质中单缝Fraunhofer′s衍射条纹的变化

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When the slit of light source there is definite width W, the width of diffraction fringe should increase, and the minimum resolving angle Δθ k should be increasing, then the resolving power of actual grating system should be decreasing.

当光源狭缝还有一定宽度W时，衍射条纹将增宽，相应最小分辨角Δθk将增大，实际光栅系统的分辨本领将减小。

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The measurement of diffraction fringe width, the tropism of incident light E and the transverse displacement of CCD are the main factors that influence this precision from the study of theoretical arithmetic and experiment.

理论计算和实验表明影响细丝直径测量精度的因素包括：衍射条纹宽度的测量、入射光波E取向和CCD的横向移动等。

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Traditional optical disc recording technology has limited storage density and low information transfer rate due to laser diffraction spot size limitation ( micron order of magnitude). A new type of 3-D storage technology is proposed in thesis.

本文基于传统的光盘记录技术因受激光衍射光斑极限的限制（微米数量级），存储密度有限，且其信息传输速率较低，故提出一种新型的三维存储技术。

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