5) Speed of sound (SOS) 超声传播速度6) ultrasonic wave velocity 超声波传播速度 1. To clarify the effect of environment temperature on ultrasonic wave velocity,the ultrasonic wave velocity in C30,C40 and C50 concrete were determined under temperature of-10 ℃ up to 30 ℃. 研究结果表明:...
Marsh RL (2016) Speed of sound in muscle for use in sonomicrometry. J Biomech 49:4138.4141 Article Google Scholar Topp KA, O’Brien WD (1998) Anisotropy of ultrasonic parameters in fresh rat skeletal muscle in vitro. In: Schneider SC, Levy M, McAvoy BR (eds) IEEE Ultrasonics Symposium...
1. Inmortgage-backed securities, the estimated rate at whichhomeownerswillpay offtheunderlyingmortgagesof an MBS. The equivalent of thecouponon a mortgage-backed security is a percentage of theinterestandprincipalpaid on the mortgages backing thesecurity. Ariskassociated with mortgage-backed securities ...
Ultrasonic sound speed analysis of hydrating calcium sulphate hemihydrate This article focuses on the hydration, and associated microstructure development, of β-hemihydrate to dihydrate (gypsum). The sound velocity is used to qu... ACJD Korte,HJH Brouwers - 《Journal of Materials Science》 被引量...
ULTRASONIC SOUND SPEED MEASURING METHOD AND ULTRASONIC DIAGNOSTIC APPARATUS WITH SOUND SPEED MEASURING MEANSPURPOSE: To realize an ultrasonic diagnostic apparatus which measures an ultrasonic propagation speed of a tissue in a noninvasive manner from outside.RI TAIHOU...
"Ultrasonic Thickness Gauge Speed of sound coarse adjustment range error measurement result uncertainty evaluation" evaluates the uncertainty of Ultrasonic Thickness Gauge Speed of sound coarse adjustment error, and its evaluation method has a certain gu
Measurements of ultrasonic speeds, isentropic compressibilities and viscosities were carried out for six ternary mixtures namely dimethylsulphoxide (1) + 1,2-dichlorobenzene (2) + 1-alkanols (3) at 303.15 K. The 1-alkanols include 1-propanol, 1-butanol, 1-pentanol, 1-hexanol, 1-heptanol and...
US6067861 Jun 18, 1998 May 30, 2000 Battelle Memorial Institute Method and apparatus for ultrasonic doppler velocimetry using speed of sound and reflection mode pulsed wideband dopplerMethod and apparatus for ultrasonic doppler velocimetry using speed of sound and reflection mode pulsed wideband Doppler,...
ultrasonic ping to go out, bounce off a target, and come back. The time it takes for the ping to leave and come back to the sensor depends on the speed of sound and the distance to the target. This sensor works in the same way a bat uses high pitched tones to na...
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