查询词典 scattering

The microstructure, optical property, mechanical property, surface roughness, water-repellency, surface morphology are analyzed by Raman scattering spectroscopy, Fourier transforms infrared spectrometry, UV/Vis spectrophotometer, residual stress measurement, atomic force microscope, contact angle meter, optical microscope, and scanning electron microscopy, respectively.

并分别利用拉曼光谱仪、傅立叶转换红外光光谱仪、紫外/可见光光谱仪、残留应力量测系统、原子力显微镜、接触角试验、光学显微镜和扫描式电子显微镜分析与观察碳镀层的微结构、光学性质、机械性质、表面粗糙度、抗水气的能力和表面形态。

Indicating that various arc-shaped cylindrical hills will generate different scattering action for SH waves.

结果表明不同的弧形凸起对SH波的散射作用不同。

I will sit demure upon a blooming bay tree, scattering fragrant petals as the spring rain.

而我会端庄地坐在盛开的月桂树上，将芬芳的桂花遍撒，就像春雨纷纷扬扬

I will sit demure upon a blooming bay tree, scattering fragrant petals as the spring rain.

而我会端庄地坐在盛开的月桂树上，将芬芳的桂花遍撒，就象春雨纷纷扬扬。。。

Compared with the result of plane wave, additional beam factor represents the effect of Gaussian beam, which is related to beam waist size, distance from beam waist to object center and the illuminated area on object, together with the incident or scattering angles.

与平面波解不同的是，在公式中引入了波束因子这一表征波束作用的重要参量，该参量与束腰半径、束腰中心与物体中心距离和物体照射面积以及入射、散射方向有关。

So with the same pump beam, it is easier to achieve laser radiation for random media with higher filling densities of scattering particles.

因此，在同样的抽运激励下，颗粒填充密度越大的随机增益介质越容易产生激光辐射。

Based on the well known optical them distribution in free space a generalizedstimulated Raman scattering coupled wave equation is deduced and a simplemethod to calculate the temporal and spatial distribution of pump beam and Stokes beamin SRS is proposed in the paper.

基于在自由空间光束的分布是已知的条件下，推导出适用于任意束分布的广义化的耦合波方程并得到一种计算受激拉曼散射过程中泵浦束与斯托克斯束的时、空分布的简单方法。

Then the scattering waves are represented bythe series of Bessel functions expansions.

它是用一个半径足够大的大圆弧拟合半空间表面，再将所有的散射波展开成Fourier-Bessel级数的形式。

Second, based on the spherical vector wave function in uniaxial anisotropic medium, and the first, second, third and fourth spherical Bessel functions satisfy the same differential equation and recursive formula. The scattering fields in terms of spherical vector wave function from a uniaxial anisotropic spherical shell and an anisotropic uniaxial-coated conducting sphere by a plane wave are derived. The electromagnetic fields in uniaxial anisotropic medium and free space can be expressed in terms of spherical vector wave functions in uniaxial anisotropic media and isotropic medium.

二、在建立均匀各向异性单轴介质球矢量波函数理论的基础上，利用二阶线性偏微分方程的性质和第一、第二、第三和第四类球Bessel函数满足相同的微分方程和递推关系，我们分别研究了单轴介质球壳和单轴介质涂覆导体球对平面波的电磁散射特性，首先给出了各个区域的电磁场用球矢量波函数来表示的解析表达式，进而利用电磁场在边界上满足电磁场切向连续的边界条件和球谐函数的正交性，得出了各向异性单轴介质球结构中电磁场用球矢量波函数表示的系数所满足的矩阵方程。

In order to effectively separate the fluorescence produced by algae chlorophyll-a and the scattering light from the excitation light, the interference filter with high block coefficient and narrow band is used as spectral filter.

4为了有效地分离海藻内叶绿素a所产生的荧光和激发光的散射光，采用高阻塞系数的干涉滤光片作光谱滤光。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。