Based on Mie' theory and previous calculating method of extinction coefficients for particles of the same compositions,average theoretical and equivalent calculating method of extinction coefficients for aerosols of various compositions was established.
基于Mie散射理论,在过去的同种颗粒消光系数计算的基础上,对多种成分颗粒的大气气溶胶,建立了消光系数的平均(理论的)计算方法,同时,利用容积占比等效折射率,建立了消光系数的等效计算方法,验证了该等效法的可靠性。
The analysis of sources of ambient light extinction coefficient in summer time of Beijing city;
北京市夏季大气消光系数的来源分析
Determination of extinction coefficient of dust;
粉尘消光系数的确定方法
Determination of the extinction coefficient of a weakly absorbing multilayer system;
弱吸收多层薄膜消光系数的反演
ISO 9705 full-scale heat release rate platform for multifunctional measurement is used to study light extinction coefficient,mass density and heat flux of smoke.
利用ISO 9705全尺寸多功能热释放速率测试仪研究细水雾作用下火灾烟气的消光系数、质量密度及辐射热通量等特性参数的变化规律,通过改变细水雾工作压力、喷头种类和喷头数量等参数研究雾滴粒径、喷雾强度等对烟气特性参数的影响规律。
A program of optimisation based on Fresnel theory has been developped for determining complex refractive index of Zr and Mo in infrared region, with an maximal error estimation 6% on the real part n,and 5% on the imaginary part(extinction coefficient
本文采用FTIR光谱辐射计测量了金属Zr,Mo在高温状态下的辐射,通过基于Frsnel函数的优化算法,得到了Zr,Mo在红外波段的复折射率n-jx,实部n的最大估计误差约为6%,x(消光系数)的最大估计误差约为5%。
The relations among extinction,visibility and traffic safety are further analyzed.
并进一步讨论了雾的消光系数、能见度和交通安全之间的内在联系;确定了影响雾滴消光系数的物理因素主要有雾滴含水量、雾滴数密度和雾滴质量浓度、雾滴直径;影响雾消光系数的环境因素主要有空气温度、入射光波长和海拔高度;间接影响因素有机动车流量和风速等。
The molecular extinction coefficient is equal to the ratio of the log of the intensity of the incident and emergent light.
分子的消光系数等于入射光和透射光强度对数的比。
The molecular extinction coefficient is equal to the ration of the log of the intensity of the incident and emergent light.
分子的消光系数等于入极大时的入射光和透射光强度比的对数。
Smoke particles extinction coefficient was recorded by photo electricity spectral instrument on the basis of light extinction algorithm.
粒度谱的测量基于消光法,采用光电光谱仪测量消光系数,遗传算法被用做重建算法.
Development of Mie Scattering Lidar and Inversion for Return Signal;
Mie散射激光雷达实验系统设计与大气消光系数反演方法研究
Contribution Factors of Ambient Light Extinction Coefficient in the Winter of Guangzhou
广州冬季大气消光系数的贡献因子研究
Distribution of Aerosol Extinction Coefficients and Slant Visibility Measured by Lidar;
气溶胶消光系数空间分布及斜程能见度的激光雷达探测
Retrieval method of near ground aerosol extinction coefficient based on remote sensing
基于光学遥感技术获取近地面气溶胶消光系数的方法研究
CORRELATIVITY OF ATMOSPHERIC EXTINCTION COEFFICIENT AND REAL-TIME INVERSION COMPUTATION FOR MULTI-WAVELENGTH LASER
多波长激光的大气消光系数相关性及实时反演计算研究
The Research of Extinction Coefficient Measurement of 1064 nm Wavelength by Backscatter Visibility Measuring Set
后向散射式能见度测试仪测量1064nm波长激光大气传输消光系数研究
The greater the extinction coefficient of the initiator, the lower the concentration with initiator exponent being zero power.
引发剂消光系数越大,出现其指数为零的浓度越低。
Data on the molecular extinction coefficients of a number of compounds of this type are now available in the literature.
文献中已发表了一些这类化合物的分子消光系数的数据。
Investigations for Parametric Optimization in Inversion of Lidar Return Signals and Characteristics of Atmospheric Boundary Layer over Chengdu;
大气消光系数反演方法参数优化及成都地区大气边界层特性研究
The Characteristic of Fog Extinction in Expressway and Impact on Traffic Safety
高速公路沿线雾的消光系数特性及对交通安全的影响
Statistical Characteristic on Atmospheric Extinction Coefficient and Impact Analysis on Meteorological Elements of Surface Layer of Inland Area
内陆地区近地面大气消光系数统计特征及气象要素影响分析
Inclination-Dependent Luminosity Function of Spiral Galaxies and the Statistic Analysis for Dust Extinction;
旋涡星系光度函数与倾角的关系及尘埃消光的统计分析
dynamic strain optical coefficient
动态光弹（性）系数
Study on Correcting Secondary Spuctrum of Diffactive/Refractive Hybrid Optical System;
衍/折射光学系统消二级光谱的研究
Numerical simulation of wave run-up and breaking on the ave-absorbing beach and calculation of wave reflection coefficients
消波滩消波的数值模拟与反射系数计算