The effects of gas flow during the gas window operation on the Stimulated Raman scattering are investigated. 研究了窗口气体流动对受激拉曼散射的影响。
Extruding of water power increases the speed of gas scattering, which makes gas fully release, reduce the gas pressure goes beyond the limit and have remarkable effect to safety production. 由于水力的挤压作用,增加了煤层瓦斯放散的速度,瓦斯得到充分释放。减小了工作面瓦斯超限的威胁,对安全生产有显著的作用。
Influence of gas density on measuring clusters size by Rayleigh scattering method 气体密度对瑞利散射法测量团簇尺寸影响的初步分析
In order to be tuned the energy gap of a semiconductor with respect to a fixed gas laser line, the resonant Raman scattering were performed by means of the variation of the energy gap with the temperature in the sample. 利用半导体带隙随温度变化,使它与固定激光线调谐,曲此完成共振散射实验。
Effects of buffer gas on stimulated Raman scattering in Pb vapor 缓冲气体对铅蒸气受激喇曼散射的影响
Simulation of Aquifer Underground Gas Storage Reservoir with FEM Stimulated Raman Scattering of Containing Water ( CH_3)_2SO 含水层型天然气地下储气库的有限元数值模拟含水二甲亚砜的受激喇曼散射
In the fields of oil and gas exploration and engineering detection, and on the background of isotropic medium, there exists a fracture, by which a scattering effect is formed and received wave field is complicated. 在油气勘探、工程探测等领域中,各向同性介质的背景上,因存在裂隙而形成散射作用,使接受的波场复杂化。
The two-dimensional electron gas with high density formed at AlGaN/ GaN heterostructure screens the impurity scattering and increases the electron mobility. AlGaN/GaN异质结产生高密度的二维电子气,屏蔽了杂质和缺陷的散射,改善了低场输运性能。
The study sampled the gas by improved isokinetic sampling equipment. At the same time, a laser instrument based on light scattering theory is used to measure the size and distribution of the particles in BFG and LDG in steel industry. 本研究通过改进等速采样装置对气体进行采样,使用一种基于光散射原理的激光测粒仪器,对钢铁行业中的两种副产气体BFG和LDG中尘粒的尺寸及其分布进行测量。
In this paper, the multiple scattering effects of residual gas as isotropic disturbing forces, are introduced into the RMS envelope equation of cylindrically symmetric DC electron beams, so that the expression of emittance growth due to the scattering is obtained. 把残余气体散射作为一种各向同性微扰力引入轴对称直流带电粒子束的均方根包络方程,从中得到了气体散射作用导致束流发射度增长的表达式。
Instantaneous Two-dimensional Density Measurements of Gas Flow by Rayleigh Scattering 瑞利散射用于气体流场二维瞬态密度测量
The ground state energy of the gas with the scattering length near negative infinity is obtained, and the results are in good agreement with the Monte Carlo calculations. 我们计算了散射长度在负无穷附近的费米气的基态能量,得出了与蒙特卡洛计算一致的结果。
In the end, we investigated the possibility to measure gas inside the food package with porous scattering media. 最后,我们探索了利用多孔散射介质来测量食品包装内气体的可能性。
Laser gas detection based on the natural target scattering and spectroscopy has the advantages of high sensitivity, precision positioning, etc. However, artificial and vehicles bearing platforms are not suitable for long-distance pipeline leakage monitoring because of their limited rate of movement. 基于光谱技术和自然目标散射的激光气体检测技术具有灵敏度高、精确定位等特点,但人工及车辆承载平台移动速度慢,并不适合长输管线的监测。
Such analysis needs a new method, which is called gas in scattering media absorption spectroscopy ( GASMAS). 这类研究需要运用散射介质内气体吸收光谱技术这一新方法。
Lattice dynamics simulations are then carried out for gas hydrates and inelastic neutron scattering experimental results are employed for comparison. 接下来使用点阵动力学对气体水合物展开了模拟研究,并将计算结果与非弹性中子散射的试验结果进行了对比。