单词	sonography
释义	sonography /səˈnɒɡrəfi / noun [mass noun] 1The analysis of sound using an instrument which produces a graphical representation of its component frequencies.I then inputted the vocalizations into a Macintosh computer and produced sonograms using the sound analysis computer program Canary 1.2. 2 another term for ultrasonography.Recent studies using Doppler sonography and near infrared spectroscopy have shown increased perfusion of the middle cerebral artery in patients with chronic cerebrovascular disease given a single infusion of vinpocetine.... Brain scans using Doppler sonography, conducted in 1999 in Germany at the University of Munster and the University of Dortmund, found that when non-musicians listened to music, the blood flow to the right hemisphere increased. In colour flow sonography, pulsed Doppler signals are used to produce the images. Derivatives sonograph noun ... The tracks of the trawl gears were still observed in sonographs of the bottom 1 yr after the first experiment. After the Borojo-Noni treatment subsequent sonographs were taken and uncovered the absence of lesions. The sonographs are functions of the seafloor's relief, microtopography and roughness, and physical properties. sonographic adjective ... Tape recording responses during playback surveys with follow-up sonographic analysis using a discriminant model would improve the accuracy of such surveys. A spectrum of sonographic results may be found. As time progressed, a gradual reduction in thickness and a gradual return to a normal sonographic appearance was observed.
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