1.
DROPLET SIZING OF SUBMICRON EMULSIONS BY ULTRASONIC ATTENUATION AND VELOCITY SPECTRA
超声衰减和速度谱测量亚微米乳液的粒径
2.
Effect of structure and composition on ultrasonic attenuationand velocity of polymer has been studied by pulse-echo method.
用脉冲回波法测定了甲基丙烯酸酯类共聚物的超声衰减与声速。
3.
Objective:To study the diagnostic role of broadband ultrasonic attenuation(BUA) in measurement of bone mineral density.
目的： 探讨跟骨宽带超声衰减诊断骨质疏松的临床价值。
4.
Research on Theory of Ultrasonic Attenuation in Pulp Suspension and Its Application in Concentration and Flow Measurement;
纸浆悬浮液超声衰减理论及其在浓度流量检测中的应用研究
5.
Ultrasonic Density Meter Design Based on Ultrasonic Echo Attenuation Theory
基于超声波回波衰减理论的超声波浓度计设计
6.
The Fundamental Researches of Computerized Tomography of Ultrasonic Attenuation for Concrete
混凝土超声波衰减层析成像的基础项目研究
7.
sound attenuation
消声器（噪声衰减装置）
8.
Numerical study on acoustical attenuation and acoustical velocity in suspension of superfine particles-A comparison of four models
超细颗粒悬浊液中声衰减和声速的数值模拟——4种模型的比较
9.
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
10.
The numerical study of acoustical attenuation and velocityin the suspension of superfine particles
超细颗粒悬浊液中声衰减和声速的数值分析研究
11.
Solidification degree of PETN composite explosive would affect ultrasonic attenuation.
介绍泰安混合炸药固化程度对超声波衰减的影响。
12.
Design of Pulp Concentration Measurement System Based on Ultrasonic Attenuation
基于超声波衰减法浆体质量浓度检测系统的设计
13.
Effect of Ultrasonic Treatment on Solidification Characteristic and Analysis the Ultrasonic Attenuation Mechanism
功率超声对纯铝凝固过程的影响及衰减特性分析
14.
Effects of Receiving Direction Angle on Amplitude of Ultrasonic Attenuation Tomography on the Cross Section of logs
超声波在原木横断面衰减成像中接收方向角对振幅的影响
15.
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。
16.
4 The half angle of divergence ah should not exceed 9°, the tenth angle of divergence az should not exceed 14°.
光线强度的半衰减角应不超过9°，光线强度1/10衰减解应不超过14°。
17.
Express the factors resulting in the attenuation of acoustic waves.
请陈述导致超音波衰减的各项因素.
18.
The more the room is filled with absorbent the faster the sound decays.
房间的吸收率越高，声音就衰减得越快。