查询词典 absorption coefficient

Testing and investigation of Sound Absorption Coefficient and Sound Attenuation show sound-absorbing wool materials have excellent sound absorption properties.

通过对羊毛吸声材料的吸声系数与声衰减能力的测试，发现其吸声性能优良。

The argument has been further supported by a simple absorption model and the yielded refractive index and absorption coefficient.

再次，对掺硼氢化纳米硅样品高分辨率电子显微镜的分析证实了有序的区域镶嵌在非晶硅的网络里。

Absorption spectrta, fluorescence spectra , linear absorption coefficient, linear refractive index, molecule concentration of liquid samples and thickness of thin films were measured.

对自制的偶氮苯样品作吸收光谱、荧光光谱、线性吸收系数、线性折射率以及液体样品的浓度和薄膜样品的膜厚等的测量。

The influence on absorption coefficient brought from shape choice with cylindrical or cone-shaped cavity, square or hexagonal profile, from different closure as air or water, from different material properties and structure sizes, are analyzed based on the numerical calculations. Some general characteristics are summarized. It shows that lowest resonance frequency of sound absorbent coefficient is inversely proportional to volume of cavity and sound absorbent coefficient is proportional to perforated percentage.

2通过数值方法研究了吸声结构内腔为圆柱腔和圆锥腔、基材的剖面形状为正四边形和正六边形、不同背衬、基材材料特性、尺寸大小对整体吸声效果的影响，总结了这些情况下非旋转对称吸声结构的声学特性变化规律，得出腔体体积越大，吸声系数最低共振频率越低；穿孔率越大，吸声系数越大的结论。

Among the large number of nonlinear absorbers, the material applied most extensively is phthalocyanine reverse saturable absorption compound which is organic large molecule with central symmetry two-dimensional π-electron conjugate system. In the off-resonance condition, its absorption coefficient will raise along with the increasing of incoming light intensity, which shows its reverse saturable absorption properties.

在非线性光学材料中目前最具应用价值的是酞菁类的反饱和吸收材料，这是一类具有中心对称二维π电子共轭体系的有机大分子，在非共振激发条件下，吸收系数往往会随入射光强的增加而增加，体现反饱和吸收。

Fiber layer ply increases, resonance absorbs frequency to increase to unit weight of; of shift of low frequency direction, sound power absorption coefficient increases in the begining more apparent, subsequently rate of hole of; of amplitude hasten delay increases, hempen fiber sound power absorption coefficient increases gradually.

纤维层厚度增加，共振吸收频率向低频方向移动；容重增加，吸声系数开始时增加比较明显，随后增幅趋缓；孔隙率增加，大麻纤维吸声系数逐渐增大。

A relationship between absorption coefficient of sample and reverberation time is proposed and applied to correct the standard absorption coefficient.

通过对混响室声场的模拟计算，建立材料吸声系数与混响时间的关系，并对实测的吸声系数进行修正可提高声场计算机模拟的精度。

In this study, the effects on the growth of cabbage, Chinese cabbage and rape planted on fly ash plus vinasse substrate and fly ash plus sewage sludge substrate were studied and the remediation of cabbage, Chinese cabbage and rape on heavy metal Cd, Cu and Zn was discussed by calculating absorption coefficient, transmission coefficient and absorption modulus.

该文研究了粉煤灰加酒糟和粉煤灰加污泥两种基质对甘蓝、小白菜和油菜生长的影响，并通过计算吸收系数、转运系数和吸收模量讨论了甘蓝、小白菜和油菜对基质中重金属Cd、Cu、Zn的修复情况。

However, a kind of saturable absorption effect has been introduced in unpumped EDFA based on the absorption of the Erbium system which means a lower absorption coefficient in higher intensity.

但是未泵浦的EDFA由于铒离子系统的吸收作用存在一种饱和吸收现象，这种饱和吸收作用使得未泵浦的EDFA在一个高光强下有很低的吸收系数。

The optical dot gain results from basically the light scattering in substrates. In ink-jet printing the ink penetration changes the optics of the coating of the substrates including the light scattering coefficient and absorption coefficient. So it affects the optical dot gain greatly. The application of Kubelka-Munk Theory in halftones is also studied, and so an ink penetration model is established using K-M theory. The penetration depth and the scattering and absorption coefficients are decided.

第三章重点分析影响印刷质量的很重要因素：光学网点扩大，包括了光线在纸张内的散射、K-M理论在半色调印刷品中的应用，本文利用K-M理论建立了油墨渗透模型，确定了油墨渗透的平均深度以及油墨渗透之后介质的光吸收系数与光散射系数，并从宏观的角度分析了油墨渗透对喷墨印刷质量的影响，包括色相、色饱和度以及色调范围等。

Graf, without question, is the greatest women's player in history.

格拉芙，现在，毫无疑问是女子网坛历史上最伟大的选手。

If not, you will have to look around at all your important data.

如果没有，您将需要检查所有的重要数据。