attenuation coefficient
英 [əˌtenjʊˈeɪʃn ˌkəʊɪˈfɪʃnt]
美 [əˌtenjʊˈeɪʃn ˌkoʊɪˈfɪʃnt]
衰减系数；减弱系数
双语例句
- Methods The ultrasonic attenuation coefficient and the ultrasonic speed of series of micro-sized composite materials have been detected, compared and analyzed.
方法分别对不同系列样品的超声衰减系数及声速进行测量、比对分析。 - Pair production attenuation coefficient
电子对生成衰减系数 - The temperature correlation of ultrasound attenuation coefficient in the organization of microwave hyperthermia is researched in order to achieve non-invasive organization temperature.
研究微波热疗组织超声衰减系数的温度相关性，以期实现肿瘤微波热疗超声无创测温。 - By introducing weights transaction losses attenuation coefficient and the weights transactions loss function, Algorithm makes a better scalability and adaptability.
通功引入权值交难害得亡加解数和权值交难害得函数，使得算法无较好的扩铺性和逆当性。 - The basic yields of a CT scan, the CT numbers, are related to the attenuation coefficient of the diagnostic X-rays, actually reflect the electron densities of the individual tissue concerned.
电脑断层摄影所产生的CT读数（与诊断X射线的线性衰减系数有关）可以反映相关组织的电子密度。 - Meanwhile, the existence of the acoustic attenuation coefficient benefits the axial resolution.
同时，声衰减系数的存在有利于轴向分辨率的提高。 - Characteristics of the Diffuse Attenuation Coefficient and Its Impact on Aquatic Ecology Environment
太湖水体漫衰减系数特征及其对水生态环境影响分析 - The results show that, due to the effect of viscoelastic damping, the attenuation coefficient increases with the increasing of modal order, while the vibrational frequencies decrease with it;
计算结果表明，在粘弹性阻尼作用下，衰减系数随振型阶数而增大，振动频率随之不断减小； - In this paper, the principle and primary results of measure ultrasonic sound velocity and attenuation coefficient by ultrasonic syntonic method are introduced.
本文介绍利用超声共振法测量声速和声衰减系数的原理及自来水和乙醇的测量结果。 - The attenuation coefficient decreases with increasing of frequency and the gas density.
衰减系数随频率增加而减小，并且随密度增加而减小。 - Measurement of the attenuation coefficient of surface acoustic wave by means of the light diffraction
衍射法测量低频液体表面波的衰减系数 - Analysis of Attenuation Coefficient and Cutoff Character in Isosceles Right Triangular Waveguide and Pentagonal Waveguide; Calculation and Analysis of the Interference Characteristics by Rocket Wake Flame Electromagnetic Parameters
等腰直角三角形和五边形波导截止特性和衰减特性分析火箭尾焰电磁特性参数对电磁波衰减特性影响研究 - Optical properties and remote sensing retrieval model of diffuse attenuation coefficient of Taihu Lake water body
太湖水体漫射衰减系数的光学特性及其遥感反演模型 - Preliminary investigations are made together with site attenuation coefficient, transformation of explosive ene.
同时结合场地衰减系数、炸药能量转换和减震效应等作了初步探讨。 - Ultrasonic velocity and attenuation coefficient, density and adiabatic compressibility of petroleum ether under high hydrostatic pressure
石油醚在流体静高压下的超声声速、衰减、密度和绝热压缩系数 - Natural Desorption Rate and Attenuation Coefficient of Coal Seam Gas and its Significance
煤层瓦斯初始自然解吸速率和衰减系数及其意义 - Among those factors of the environment, the sea water depth is one of the most important items which have influence on the sound wave's propagating velocity and attenuation coefficient.
其中海水深度（压强）的改变是影响海底沉积物声传播速度、声传播衰减系数的因素之一。 - We also investigate the relationship between the total attenuation coefficient and the energy density, pulse duration, and pulse repetition.
我们研究了衰减系数和能量密度、脉冲宽度及脉冲频率之间的关系。 - Among which, is the attenuation coefficient at the single scattering approximation, representing the attenuation rate when the laser passes through medium in unit distance.
其中为单次散射近似时的衰减系数，表示激光每经过单位距离的介质后衰减率。 - A function of the diffusion coefficient and attenuation coefficient was derived from the measured diffuse reflectance.
又从测得的漫反射率推得漫射系数和衰减系数的函数。 - By plotting the data in logarithmic coordinates, the attenuation coefficient or temperature decreasing rate a is obtained.
从对数坐标图中求出该衰减系数或温度下降率α，得出α随P的变化规律。 - GD model combined the effective attenuation coefficient as axial exponential attenuation factor.
该模型还结合了扩散近似中的有效衰减系数作为轴向指数衰减因子。 - The relationship of beam attenuation coefficient and diffused attenuation coefficient was achieved from radiative transfer simulation.
利用海洋辐射传递模拟简化了衰减系数和漫衰减系数的关系，给出了赛克盘深度的遥感算法并对其进行了现场印证。 - The effect of the acoustic attenuation coefficient of the media on the actual axial resolution have also been discussed.
文中还分析了介质的声衰减系数对实际轴向分辨率的影响。 - Attenuation coefficient and velocity of ultrasonic are got in human body tissue.
得到了超声波在组织中的衰减系数及声速值。 - Beam-hardening is caused by polychromatic energy spectrum and energy dependency attenuation coefficient.
射束硬化是由X射线束能谱的多能性和衰减系数与能量的相关性造成的。