Doppler method

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  • In clinical practice left ventricular (LV) function is commonly evaluated by 2-D and M-mode echocardiography. These modalities have significant limitations,and tissue Doppler imaging (TDI) has been introduced as a quantitative and more objective method for assessing myocardial function. The TDI modalities include myocardial velocity imaging,displacement imaging,strain rate imaging, and strain imaging (Fig. 1).

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  • The aim of this book is to disseminate state-of-the-art research and advances in the area of nuclear reactors technology. The book was divided in two parts.

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  • An extrasolar planet or exoplanet is a planet orbiting a star (or remnant of a star) beyond our Solar System. As of autumn 2007, about 250 exoplanets had been discovered around 220 different stars, including nearly two dozen multiple planet systems. No less than five exoplanets have been discovered orbiting the star 55 Cancri; one of the planets has nearly four times the mass of Jupiter, another is comparable with Jupiter in mass, two are slightly less massive than Saturn, while the innermost planet has a mass similar to that of Uranus....

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  • Tuyển tập các báo cáo nghiên cứu về sinh học được đăng trên tạp chí sinh học Journal of Biology đề tài: Review Article A Human Gait Classification Method Based on Radar Doppler Spectrograms

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  • Different terms are employed in the literature to specify this method on investigations: dualbeam coherent interferometry or laser Doppler interferometry, optical coherence tomography (OCT) or optical coherence reflectometry. OCT is analogous to ultrasonic imaging, which measures the intensity of reflected infrared light rather than reflected sound waves from the sample. Time gating is employed so that the time for the light to be reflected back (or echo delay time) is used to assess the intensity of back-reflection as a function of depth.

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  • We postulated that combining high-dose simvastatin with bone marrow derived-mesenchymal stem cells (MSCs) delivery may give better prognosis in a mouse hindlimb ischemia model. Methods: Mouse hindlimb ischemia model was established by ligating the right femoral artery. Animals were grouped (n = 10) to receive local injection of saline without cells (control and simvastatin groups) or with 5 × 106 MSCs (MSCs group).Animals received either simvastatin (20 mg/kg/d, simvastatin and combination groups) or saline (control and MSCs group) gavages for continual 21 days.

    pdf10p toshiba23 18-11-2011 25 1   Download


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