衰减

衰减距离attenuation）和能见度（transmittance）是联系在一起的，并相互影响

The attenuation distance and transmittance are connected together , they influence each other .

衰减，散射，水面建模，光线束，焦散

Attenuation , Scattering , Modeling water surface , Light shafts , Caustics .

人人都佩服她的耐心和永不衰减的好脾气。

Everyone admired her patience and unfailing good humour .

她想成为艺术家的梦想由于视力衰减而破灭了。

Her ambition to become an artist was thwarted by failing eyesight .

我的记忆力日见衰减。

My memory is failing fast .

对具有任意厚度的靶，无偏折的通量随厚度扫指数规律而衰减。

For a target of any thinkness , the undeflected flux diminishes exponentially with thickness .

毒性已衰减的病毒

an attenuated form of the virus

地震波衰减机制和测量方法研究表明，在孔隙和渗透性碎屑岩中，流体运动是衰减的主要机制

Direct measurement of seismic ascertains that fluid motion is a primary mechanism in porous , permeable elastics .

首达渗流中ρ（F）的指数衰减

The Exponential Decay in First Passage Percolation

G型加载途径下岩石的声发射及超声波衰减特性

Characteristics of Acoustic Emission and Attenuation of ultrasonic Waves in Rocks during the Stress Paths of Case G

研究了一类线性切换系统具有H∞扰动衰减度二次稳定问题。

The problem of quadratic stability with H-infinity disturbance attenuation for a class of switched linear systems is addressed in this paper .

采用维氏压痕-淬火法研究了材料的抗热震性能，压痕-强度衰减法研究了材料的R曲线。

The thermal shock resistance and R curve of nanocomposites were investigated by means of indentation-quenching and indentation quenching-retained strength testing methods .

Rayleigh面波衰减系数γ计算。

Calculating of the Rayleigh Surface wave attenuation factor y. In the first step .

Ka频段卫星通信中，降雨引起的信号衰减对通信链路的通断起着非常重要的作用。

Rain attenuation has a significant impact on Ka-band satellite communication links .

研究了FeO（OH）动态膜的膜通量衰减与FeO（OH）胶粒的凝并关系。

The relationship between the flux and agglomeration of FeO ( OH ) colloid was investigated .

结果表明，SiC是良好的宽频微波衰减剂，对衰减频谱曲线特征起决定作用；

The results show that SiC is an excellent wide-frequency microwave attenuant , which determine the characteristic of attenuation curve .

高炉出铁沟用Al2O3-SiC-C浇注料流动性和流动性衰减的研究

Effect of microsilica on flowability and flow decay of Al_2O_3-SiC-C castables for BF trough

钨对AlN基复相材料微波衰减性能影响的研究

Effect of Tungsten on Microwave Attenuation of AlN-Based Composites

Ka频段卫星信道的衰减特性

Channel Attenuation Characteristics of Satellite Communications in Ka-Band

SPECT图像重建中的衰减校正算法比较

Attenuation correction algorithms in SPECT

对偶Kirchhoff型波动方程的一致衰减解

On Uniform Decay of Solutions for the Coupled Wave Equations of Kirchhoff Type

这样，模型退化成修正常数γ模型（Gauss衰减加上常数γ）。

Thus the empirical model is reduced to modified constant γ model ( Gauss attenuation plus constant Ymodel ) .

这是由于W循环对误差的长波分量衰减得较为彻底，因而相同雷诺数下W循环所用工作单位数少于V循环所用的工作单位数；

W-cycle takes less work units than the V-cycle because of the complete elimination of the long wave error components in the process of W-cycle .

目的：探讨小气道病变时高分辨率CT（HRCT）所示马赛克衰减程度与肺功能检查指标的相关性，并评价其临床意义。

Objective : To investigate the correlation of the extent of mosaic attenuation on HRCT with results of pulmonary function tests ( PFTs ) .

锂离子蓄电池正极材料LiMn2O4高温容量衰减解析

Analysis of the capacity fading of LiMn_2O_4 as cathode material for Li-ion batteries at high temperature

在上述的方程式中，A0，A1及A2都是已知的衰减常量。

In the above equation , A0 , A1 and A2 are known as the attenuation constants .

其中，当f遵从单调情形时，又按f（t）-at与l/t衰减速度的快慢，分三种情况对解的增长速度进行分析，得到了一些较好的结果。

What 's more , in the monotone case , according to the decay speed of f ( t ) - at , we make the exploration and get some good results .

TL强度的等温衰减曲线表明，Fe、Pb峰的叠加衰减是一级动力学的，而纯Fc峰的衰减是二级动力学的。

The isothermal decay of Fe and Pb lapping peak is of the first order kinetics while the decay of pure Fe peak is of the second order .

通过荧光寿命的温度变化特性分析，得出~3T（2g）态的内禀辐射衰减寿命为123±7.2μs。

It was shown that the intrinsic radiative lifetime of ~ 3T_ ( 2g ) state is 123 ± 7.2 μ s.

分析和仿真结果表明：在电力线这种通信媒质中，采用OFDM调制技术可以很好地配合电力线通信信道，有效地抵御电力线信道噪声、衰减和时变特性所带来的影响。

Our analysis and simulation results show that , OFDM technology can perfectly work with the power line channel and effectively defend the impacts from noise characteristics , attenuation characteristics , time-varying characteristics .