英语释义

• a measure of the rate of decrease in the intensity of electromagnetic radiation (as light) as it passes through a given substance; the fraction of incident radiant energy absorbed per unit mass or thickness of an absorber;

  "absorptance equals 1 minus transmittance"

片语

absorption n coefficient吸收系数

specific absorption吸收系数，吸收率

molecular absorption coefficient分子吸收系数

sound absorption coefficient[声] 吸声系数

molar absorption coefficient摩尔吸光系数

solar absorption coefficient太阳辐射能吸收系数

nutritious absorption rate coefficient吸收比率

absorption rate coefficient吸收速率常数

true absorption coefficient[核]

effective absorption coefficient有效吸收系数

英汉例句

• the infrared absorption coefficient of lno thin films is increased with increase of its thickness, and reduced with increase of the infrared wavelength.

  lno薄膜的红外吸收系数随其厚度的增加而增加，且随红外波长的增大而减小。

• the acoustic attenuation coefficient will decrease with the increase of flow velocity, or with the decrease of absorption coefficient of boundary, or with the increase of section area of the duct.

  研究表明，管道衰减系数随着气流流速的增加，管壁吸声系数的减小、管道截面几何尺寸的增加而减小。

• formation equivalent absorption coefficient inversion.

  地层等效吸收系数反演。

• test and analysis some properties such as crystal structure , superficial resistivity, light transparence, absorption coefficient etc.

  并对薄膜的晶相结构、电阻率、光透过率、光吸收系数等电学和光学性质进行了测试和分析。

• by varying the loaded heat flux and wall emmisivity, the effect of gas temperature field and wall emmisivity on the equivalent gray absorption coefficient is studied.

  通过调整供入的热负荷以及炉壁黑度，研究了炉壁黑度和炉气温度变化对反演的当量灰吸收系数的影响。

• the theoretical limitation of the absorption coefficient of the single surface absorber is 50%.

  单一表面吸声体的理想吸声系数极限为50％。

• the gamma—ray logging is measurements of natural gamma—ray intensity in borehole, but absorption coefficient of the surrounding rocks is also important for the gamma—ray logging.

  自然伽马测井主要受地层中自然伽马射线强度的影响，但围巖的吸收系数也会对自然伽马测井曲线产生影响。

• and the influence of the scattering coefficient, absorption coefficient and size of scatters in tissue on propagation of light in tissue is studied in detail.

  利用该程序详细讨论了散射系数、吸收系数以及散射体大小等对生物组织内光传输特性的影响。

• while the gas medium is isothermal uniformed, the dissertation calculates the effective absorption coefficient, the planck-mean absorption coefficient and the wall-incident mean coefficient.

  当气体介质等温、均匀时，分别计算气体介质的普朗克平均吸收系数、有效吸收系数和壁面入射平均吸收系数。

• the influences of the pump absorption coefficient on the temperature distribution along the fiber are analyzed for fiber lasers in theory based on the thermal conduction equations.

  从光纤热传导方程出发，研究了不同泵浦光吸收系数对光纤激光器沿光纤长度方向温度分布的影响。

• various extinction observations indicate that the absorption coefficient depends on the wavelength, snow depth and the incident radiation intensity.

  不同的消光观测资料说明，吸收系数对于波长、雪深以及入射辐射强度具有选择性。

• a method for measurement of tissue optical properties by time resolved reflectance was improved, i. e. the contribution of the absorption coefficient to diffusion constant was considered.

  通过考虑吸收系数对漫射常数的影响，改进了时间分辨反射中两点测量生物组织光学性质的方法。

• in this paper, we proposed a quick quantitative analysis method for equal quality absorption coefficient materials, and used an experiment to test and verify it.

  本文提出一种等质量吸收系数物相的快捷定量分析方法，并用实验加以验证。

• this paper deals with the threshold condition of double resonance parametric oscillation when the absorption coefficient of the signal light is different from that of the idling light.

  在信号光和閑置光吸收系数不同的情况下对双谐振参量振蕩阈值条件进行了分析。

• the small signal gain coefficient is larger than the absorption coefficient in the whole spectral region, which also confirms the possibility of the laser oscillation in this region.

  在整个第一三重态跃迁区域内，小信号增益系数大于吸收系数，证实了产生激光振蕩的可能。

• results show that the zonal method combined with the conjugate gradient method can solve the equivalent gray absorption coefficient well in the non-gray gases system.

  数值模拟结果表明，段法与共轭梯度法结合可以较好地反演非灰系统的当量灰吸收系数。

• it is concluded from the study that the absorption coefficient depends upon the air voids of asphalt mixture.

  发现空隙率尤其是有效空隙率是影响沥青混合料吸声系数的关键因素；

• refractive index, chromatic dispersion and absorption coefficient are material figures of merit for ultrafast all optical switch.

  折射率、色散和吸收系数是用于超高速全光开关的光学材料的重要品质指数。

• the predicted results show that the radiation absorption coefficient has remarkable effect on the phosphorus combustion and maximum radiation heat flux in the reactor.

  数值模拟结果表明，磷火焰辐射吸收系数对塔内的传热及燃烧特性的影响最大。

• the mechanism of z - scan technique is introduced. it' s application to measuring nonlinear refractive index and nonlinear absorption coefficient for nonlinear optical medium is made.

  介绍了z-扫描技术的基本原理，以及z-扫描技术在测量非线性光学介质的非线性折射率、非线性吸收系数等方面的应用。

• methods use a standing wave tube to measure the sound absorption coefficient of many kinds of grain.

  采用驻波管法测量了多种粮食的吸声系数。

• the result shows that average absorption coefficient and noise reduction coefficient separately equal to 0.

  结果表明材料的平均吸声系数和降噪系数分别达0。