查询词典 extinction coefficient

With the method of differential optical absorption spectroscopy, aerosol extinction coefficient was measured.

在研究、分析国外学者的研究基础上提出采用单光路法并结合大气在550nm处的能见度校准的方法测量气溶胶消光系数的研究计划。

It is based on the analysis of reflectometric interference spectrum and by this means, optical constants, such as extinction coefficient, refractive index, absorption coefficient and thickness, can be calculated with a high precision.

该方法是一种高精度的测量方法，与透射光谱分析法相比，反射干涉测量方法对于薄膜系统的载体要求较小，可以是透明载体，也可以是非透明基底，可以是金属载体，也可以是光纤端面。

Where A is absorbance;ε is molar absorptivity or extinction coefficient.

其中 A 为吸光度，ε是摩尔吸收光系数或消光系数。

An extinction coefficient UV method for determination of content uniformity of famotidine for injection was established.

建立了吸收系数法用于测定注射用法莫替丁的含量均匀度。

Where the absorbance A is proportional to the concentration (c, in mol/L) of the solute, the length of the path the light travels through the sample, and the constant of proportionality,ε, called molar absorptivity coefficient (L mol-1 cm-1) or molar extinction coefficient

那里的吸收度A正比于溶质的浓度，l是通过样品的光路的长度，而比例常数ε叫做莫耳吸收系数(L mol-1 cm-1)或者莫耳消光系数。

Based on the method of BCA, we menstruate the molar extinction coefficient of R-PE. The molar extinction coefficient in the wavelength of 565nm and 280nm is 4.75X K^mor'cm"1 and 4.07 X104morIcm"1 respectively.

在BCA法进行蛋白质定量的基础上，测定了R-PE的565nm和280nm的摩尔消光系数，它们分别为4.75×10~5mol~(-1)cm~(-1)和4.07×10~4mol~(-1)cm~(-1)。

Refractive index and extinction coefficient of the film are determined from the normal incidence transmittance,and refractive index is 2.34 and extinction coefficient is 2.0×10－4 at 550 nm wavelength.

从光学透射光谱计算的折射率和消光系数显示，在550 nm波长处的折射率为2.34，消光系数为2.0×10－4。

In the submodel, the reflection coefficient of the canopy changed with the sine of the solar angle and the relationship between the extinction coefficient for photosynthetically active radiation and PDT was quantified.

模型引入高斯积分法简单有效地计算冠层每日的总光合量，并考虑了冠层辐射反射率的日变化及消光系数随生理发育时间的变化，使模型对冠层辐射吸收与光合作用的定量更加准确。

In this study, based on the Rnl, extinction coefficient k, transition coefficient of canopy layer stomatic resistance K', aerodynamics resistance ra and rc calculated with the data of Rn, LAI, rsi, the daily transpiration variation of Picea purpurea, Larix principisrupprechtii, Hippophae rhamnoides ,Betula platyphylla and Populus cathayana were studied in Datong County, Qinghai Province. Comparing with the practical transpiration variation measured by Li1600 Steady Porometer, the relative error of this model was less than ±15%, and the results were stabilized and tested by precision analysis.

本研究通过对Rn、LAI、rsi的实地观测，确定了林冠截流净辐射、消光系数、冠层阻力转换系数、空气动力学阻力和冠层整体气孔阻力，对青海大通地区紫果云杉、华北落叶松、沙棘、白桦和青杨的日蒸腾过程进行了模拟，与用快速称重法订正的Li1600稳态气孔仪实测蒸腾结果对比，模拟的相对误差在±15%以内；模型敏感性分析发现，温度、LAI以及rsi是决定模拟结果的主要参数，模型对各参数变化反应不敏感。

So the infrared radiation energy is extincted. The quantity of extinction can be described by the extinction coefficient.

大气对红外辐射的衰减程度可以用消光系数来描述，波长不同，消光系数也不同。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了