拉曼光谱的工作原理是使用一束激光照射到原子上，然后收集并分析产生的散射光的波长和密度。
Raman spectroscopy works by shining a laser light onto a molecule and then collecting and analysing the wavelength and intensity of the resulting scattered light.
本文采用随机模型，讨论等离子体边界层密度涨落对低混杂波的散射。
Making use of the stochastic model, we have studied the low-hybrid wave scattering by the density fluctuations in the edge-regions of Tokamak plasmas.
利用康普顿散射光子能谱可以重建物质的电子密度图像。
Compton scattering can be utilized for electron density imaging.
随着激光器的能量密度和功率进一步提高，用以传输激光的大型光学元件中的横向受激布里渊散射现象越来越受到人们关注。
Transverse stimulated Brillouin scattering (TSBS) in large optics has been paid more and more attention in recent years with the gradual improvement of laser's energy density and power.
频域近红外光谱系统利用一个高频正弦信号对光源进行调制，从而在大脑这类强散射介质中形成一种漫射光子密度波。
The frequency-domain NIRS instruments modulate the light with a RF sine wave, which generates diffuse photon density wave (DPDW) in turbid tissue like brain.
球形颗粒荧光粉的光散射面积最小，堆积密度大，有助于提高发光材料的发光强度和使用寿命。
Spherical particles have minimum scattering area, high packing density; which is beneficial to the luminescent intensity and lifetime of the devices.
实验结果表明，随着粒子半径、粒子密度和相对折射率的增加，散射的强度将显著增加。
The experiment results show that the intensity of scattering will increase evidently with the increasing of particle size, particle density and relative refractive index.
在毫米波段计算了雨区的后向散射引起的雨杂波功率密度随频率及降雨率的变化。
In the millimeter band, the variations are found of the power density of the rain clutter induced by back scattering with frequency and rain rate.
粒子自投影和阴影，走上磨砂对象从铸造，为每个粒子的分散，排放，吸收和支持密度数据，各种光散射模型含。
Particle Self-Shadowing and Shadow Casting from and onto matte objects; support for per-particle Scatter, Emission, Absorption and Density data, Various Light Scattering models incl.
卢瑟福背散射分析结果表明，铁、氮两种原子的密度沿膜厚度方向呈梯度变化。
Rutherford backscattering spectrometry (RBS) demonstrates that the concentration of Fe or N atoms varies gradually from the substrate to the surface through the whole thickness of the films.
利用放射性源的伽马射线轰击井眼周围的岩石，通过对反散射伽马射线计数，可以计算出地下岩石的密度。
A radioactive source is used to bombard the rocks surrounding the wellbore with gamma rays. By counting the backscattered gamma rays, the density of the subsurface rock can be computed.
受激转动拉曼散射过程中，入射光束功率密度微弱变化所产生的散射光能量变化剧烈。
During the process of stimulated rotational Raman scattering, the energy loss will vary dramatically with even minor changes in the intensity of input laser pulse.
水下气泡幕的激光后向散射特性与气泡密度、气泡幕距离关系密切。
The powers have relations with bubble densities, the thicknesses of bubble film and the distance between the laser and the bubble film.
水下气泡幕的激光后向散射特性与气泡密度、气泡幕距离关系密切。
The powers have relations with bubble densities, the thicknesses of bubble film and the distance between the laser and the bubble film.
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