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超声衰减

网络BUA; Ultrasonic attenuation; Broadband Ultrasound Attenuation BUA

超声衰减

超声衰减

超声衰减

BUA

超声衰减（BUA），超声速率（SOS），骨质指数（BQI），T值，Z值，T值变化率，Z值变化率测试时间 ≤15秒操作温度 5-35 …

Ultrasonic attenuation

声衰减能力,acoustic... ... ) acoustic attenuation 声衰减能力 ) Ultrasonic attenuation 超声衰减 ) sound attenuation 声衰减 ...

Broadband Ultrasound Attenuation BUA

...速度(Speed of Sound，SOS)和宽幅超声衰减(Broadband Ultrasound Attenuation BUA)。

1

Therefore, by determining the intensity of ultrasonic damping , the mechanical properties of composite can be predicted directly .

结果表明，可以通过超声衰减的弦度直接预测复合材料的力学性能。

2

Methods An ARM embedded system was used to measure the speed of ultrasound , the broadband ultrasound attenuation(BUA) and the stiffness .

方法：设计采用 ARM 嵌入式系统，通过超声技术测量并计算足跟骨处的超声速度、宽带超声衰减值和硬度系数。

8

Broadband ultrasound attenuation (BUA) reflects the degree of bone mineral density .

宽带超声衰减（BUA ）反映了骨密度疏密程度。

12

Frequency spectral analysis for the ultrasonic attenuation of carbon fiber reinforced plastics

碳纤维复合材料对超声衰减的频域分析

13

A Morphological Study Based Ultrasonic Attenuation Model of Carbon Fiber Reinforced Plastics Porosity Testing

含孔隙形态分布特征的孔隙率超声衰减测试建模

14

Quantitative assessment of hepatic fibrosis by ultrasonic tissue attenuation imaging

超声衰减成像技术定量评估肝纤维化的临床研究

16

Effect of Porous Structural Parameters on Ultrasonic Attenuation Capacity of Porous Al Alloy with High Specific Strength

孔结构参数对通孔多孔铝合金超声衰减性能的影响

17

Ultrasonic Attenuated Model and Computer Simulation of Milk Coagulation

凝乳超声衰减模型及计算机模拟

19

Ultrasonic attenuation properties of porous and cellular Al alloy foam with spherical pore

球形孔通孔和闭孔泡沫铝合金的超声衰减性能

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