The result showed that there is a turn point on the ultrasonic attenuation curve.
试验结果表明，豆乳在凝固超声衰减曲线上有一明显转折点即凝固初始点。
Ultrasonic attenuation properties of porous and cellular Al alloy foam with spherical pore;
研究了闭孔泡沫铝合金孔结构参数对其超声衰减性能的影响。
Ultrasonic attenuation can characterize the miscibility and phase morphologies of polymer blends.
超声衰减可表征聚合物共混物的相容性和相形态结构。
The ultrasonic attenuation character in the rock is usually expressed by rock absorbability quality factor (q).
超声波在岩石中的衰减特征通常用岩石吸收品质因子(Q值)来表征。
The results show that the ultrasonic attenuation properties are determined by the pore structures of Al alloy foam.
结果表明：泡沫铝合金的超声衰减性能决定于其孔结构；
This paper describes the measurement procedure of ultrasonic attenuation coefficients and ultrasonic velocity tomography.
本文对超声衰减系数和超声声速断层成像的测量过程进行了描述。
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。
The results show that fat, water and collagen protein are the main component parts which affect soft tissue ultrasonic attenuation.
结果表明，脂肪和胶原蛋白及水分含量对组织衰减有较大影响。
Objective To discuss whether ultrasonic attenuation dual calibration quantitative analysis may acquire highly repeatable checkout results.
目的探讨超声衰减双定标定量分析技术是否可获得高重复性的检测结果。
Ultrasonic attenuation technique is used to investigate a method to measure mass concentration of paper fibers in dilute pulp suspensions.
采用超声衰减技术研究了稀释纸浆悬浮液中纸纤维质量浓度的测量方法，讨论了稀释纸浆悬浮液中超声的衰减机理。
The results indicate that the temperature dependence of ultrasonic attenuation in liquid hydrogen is mainly determined by volume viscosity effect.
实验结果表明，液氢的超声衰减的温度依赖特性主要取决于体积粘滞效应。
An instrument for measuring ultrasonic attenuation by means of comparing the ultrasonic pulse echo with a calibrated exponential decay wave-form is described.
本装置用超声脉冲回波与定标指数波形比较的方法测量超声衰减。
In this paper, a mathematical model is used to characterize this random signals, and a time averaging method is used for obtaining the ultrasonic attenuation coefficient.
本文提供了一种用于识别这类随机信号的数学统计模型，并介绍了一种时间平均法用来获取超声背散射信号的衰减系数。
An extensive collection of recommended books and proceedings from numerous conferences on internal friction-mechanical spectroscopy, and ultrasonic attenuation is provided.
本文广泛地收集了有关内耗，力学谱，超声衰减方面的专著及会议文集。
Based on the analysis of the existing theoretical model of ultrasonic attenuation, the model for ultrasonic attenuation of composite particle size distribution was established.
在分析现有超声波衰减理论模型的基础上，建立了混合粒度分布下超声波的衰减模型。
The results of experiments show that there are obvious linearity relationship between the attenuation of ultrasonic and the concentration of high water based fluid in some ranges.
实验结果表明：超声波在高水基流体介质中的衰减与一定范围的介质浓度存在较好的线性关系。
Attenuation of ultrasonic wave by material is one of main factors influencing detection capability of ultrasonic wave defectoscope.
材料对超声波的衰减是影响超声波探伤仪检测能力的主要因素之一。
We reported the main progress made in China in recent years of the study of ultrasonic tissue characterization-propagation velocity, attenuation, scattering and nonlinearity parameter, etc.
本文报道了近年来我国在生物组织超声特性——传播速度、衰减、吸收、反射、散射和非线性声参量方面的研究进展情况。
The linchpin of undertaking high temperature ultrasonic testing is the control of the coupling, attenuation and route of the sound.
在高温状态下，超声波探伤实施的关键在于声耦合、声衰减和声路径的控制。
Ultrasonic has a good pointing, the attenuation in water is small, beam radio feature fine.
超声波具有指向性好，在水中衰减小，束射特性优良。
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。
Dispersion and attenuation characteristics of torsional modes of ultrasonic guided wave in pipe with viscoelastic coating are investigated.
研究了带有粘弹性包覆层管道中超声导波扭转模态的频散及其衰减特性。
ObjectiveTo investigate the feasibility of quantitatively assessing hepatic fibrosis by ultrasonic tissue attenuation imaging (UAI).
目的探讨超声衰减成像技术(uai)定量评估肝纤维化的可能性。
By using the digital means, the attenuation coefficient of the ultrasonic signal is measured, through which the sediment content can be obtained.
采用数字手段测取了超声波信号的衰减系数，通过衰减系数可得出含沙量。
A method is presented for measuring the shear-wave attenuation of solids by using propagation of ultrasonic wave in a wedge block.
介绍了利用劈形楔块作波型变换，达到用纵波探头测量材料横波衰减系数的方法。
Ultrasonic transmission attenuation characteristic in muscular tissue is discussed in this paper.
探讨超声对肌肉组织超声传输特性。
This paper proposed a new monitoring method based on reflection attenuation, which computes temperatures directly from the B-ultrasonic images and needs no more other equipments.
本文基于反射衰减法提出一种新的直接对B超图像进行处理得到温度的监测方法，无须增加其他附加设备。
This paper proposed a new monitoring method based on reflection attenuation, which computes temperatures directly from the B-ultrasonic images and needs no more other equipments.
本文基于反射衰减法提出一种新的直接对B超图像进行处理得到温度的监测方法，无须增加其他附加设备。
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