衰减系数

And the influence factors such as suspension concentration,operating pressure,Reynolds number and Euler number were established.

结果表明，死端过滤速率衰减模型中过滤速率与时间呈幂函数关系、而十字流过滤速率衰减模型中过滤速率与时间则呈一次函数关系，死端过滤时悬浮液浓度和气压过滤压力对其过滤速率衰减模型系数的影响均呈三次函数关系，在十字流过滤时悬浮液浓度、操作压力以及雷诺数对模型系数b的影响均呈线性关系，轴向流十字流过滤速率衰减模型系数b与欧拉数呈反比，而旋转流十字流过滤时则模型系数a与欧拉数呈反比关系。

Low-frequency covibration experiments of four kinds of fluid-saturated feldspar sandstones which have different viscosity coefficients respectively were conducted so as to know how fluid viscosity coefficient influences attenuation, modulus and velocity dispersion in fluid-saturated sandstone.

为了探讨孔隙流体的黏滞系数对饱和砂岩的衰减、模量和速度色散的影响，本文进行了四种不同黏滞系数的饱和长石砂岩的低频共振实验，结果发现在0.01～10Hz频带范围内，无论是衰减温度话还是衰减频率谱，都显示出衰减随黏滞系数的增大成良好的线性增长关系，黏滞系数越大楼量越大；同时还具有明显的模量与速度色激，而且随着黏滞系数的增大，模量与速度色权有增强的趋势。

So, the proportion coefficient in the damping region is changed from constant to variable. Setting the damping region as the same thickness, the transition region is located in the damping region. In the transition region, the proportion coefficient increases and reaches a constant in the end.

为此，对Sarma吸收边界条件进行了改进，将衰减层内所采用的恒定比例系数改为变比例系数，即在衰减层厚度相等的条件下，在衰减层内设置一个过渡带，在过渡带比例系数由小变大，在衰减层内比例系数取恒定值。

Though the decay of weighted wavelet coefficient is the same as the common wavelet, the computable complication is observably reduced.

表明了加权小波系数的衰减性与一般正交小波的系数衰减性相同，但计算复杂度更低。

Objective:To measure CT linearity and evaluate if it would show linear relationship between coefficient and attenuation.

目的：测量CT设备的CT值线性，评价物质材料的CT值对其衰减系数μ是否满足线性关系。

An improved OUR equipment was put forward in this paper, and was used in rest measurement. The effects of different environment conditions (temperature、substrate、heavy metal and uncoupled metabolism) to Yobs, YH and Kd were investigated systemically.

本文先提出一种改进的耗氧速率测量装置，以便用于后面实验数据的测量，然后系统研究了不同的环境条件(电子受体、温度、基质、重金属离子和化学解偶联剂等)对表观产率Yobs、真实产率YH以及衰减系数Kd产生的影响。

In order to provide reference data for utilizing honeycomb paperboard in vibration-proof packaging design,vibration transmissibility of honeycomb paperboards with different thickness are experimentally investigated under sine wavelength of diverse frequency .

针对不同厚度的蜂窝纸板在正弦变频振动测试中的加速度传递，绘制其不同衰减系数的振动传递率曲线，为蜂窝纸板在防振包装设计中的应用提供参考数据。

Point and spot lighting usually have attenuation coefficients.

点光源、聚光灯通常具有衰减系数。

It was validated experimentally. Under the optimized operating condition for transparent samples, the changing rate of the phase difference curve near the resonance angle was reduced with the enhancement of the sample's attenuation coefficient. This degrades sensitivity of phase detection of the SPR based sensors.

结果表明：针对透明介质优化设计的SPR结构用于测量吸收介质时，相位差曲线在共振角附近的变化率随样品衰减系数的增大而减小，导致SPR相位型传感器的灵敏度退化。

Based on regression analysis between PAR attenuation coefficients, euphotic depths, secci disc and main light attenuators, phytoplankton and organic suspended solid play a main role in regulating the attenuation of light.

对PAR衰减系数、真光层深度、透明度等表观光学参数与主要水色因子进行相关分析发现，水体中浮游藻类和有机颗粒物对西湖水体光学性质影响最大。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。