• Aucun résultat trouvé

Analysis of index modulation in microembolic Doppler signals part I: radiation force as a new hypothesis-simulations

N/A
N/A
Protected

Academic year: 2021

Partager "Analysis of index modulation in microembolic Doppler signals part I: radiation force as a new hypothesis-simulations"

Copied!
43
0
0

Texte intégral

Loading

Figure

Fig. 1. Forces acting on a microembolus in a fluid flow.
Fig. 2. k 3 R 3 0 , δ v /R 0 , δ t /R 0 weighting factors for a fat microembolus embedded in blood
Fig. 3. Discrimination between gaseous and solid microemboli circulating in plasma (η = 4 mPa.s) using simplified Doinikov (1996),Doinikov (1998), Yosioka and Kawasima (1955) and Dayton et al
Fig. 4. Weighting factors of eqn.(10) and damping coefficients of eqn.(7) for a gaseous microem- microem-bolus immersed in blood
+4

Références

Documents relatifs

Structured illumination microscopy is a recent imaging technique that aims at going beyond the classical optical resolution limits by reconstructing a high-resolution image from

Methodology: Non-transformed intestinal porcine epithelial cells IPEC-1 and porcine jejunal explants were used to investigate the effect of DON on the intestinal immune response and

The standard detection methods, to which we compare the new proposed methods, are based on a direct detection of the embolic signatures in the energy signal. An empirical threshold

The model was used to predict the effects of modulation rate, depth, stimulus duration, and modulation phase on FMDTs in the presence of an AM masker on the sole basis

Before the experiment, an amplitude modulation is applied to the probe beam at the detection frequency ( ) and the corresponding components observed at the output of PS on a

- Peu ou indifférencié: quand les caractères glandulaires sont moins nets ou absents: dans ce cas, des caractères de différenciation peuvent être mis en évidence par :. -

 Des colorations histochimiques: BA, PAS (présence de mucus).  Récepteurs hormonaux pour un cancer du sein.  TTF1 pour un cancer bronchique.  Les cytokératines pour

• Le col et le CC : entièrement péritonisé, logés dans le bord droit du petit épiploon, répondent en haut à la branche droite de l’artère hépatique,au canal hépatique droit,