Paul Briard

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In a large number of physical systems formed of discrete particles, a key parameter is the relative distance between the objects, as for example in studies of spray evaporation or droplets micro-explosion. This paper is devoted to the presentation of an approach where the relative 3D location of particles in the control volume is accurately extracted from(More)
Following an original synthesis route, we have prepared a single-component calcium phosphate apatite-like powder which settles and hardens when mixed with deionized water in an approximative 1.2 g:1 ml ratio. This paper describes the first physico-chemical studies and characterizations of the material. Observations of its in vitro behavior show a slight(More)
In this paper, the measurement of refractive indices of a set of spherical particles is presented. A set of particles is illuminated by a pulsed laser beam. The particles scatter the light toward a CCD camera. A complex interference fringe patterns are recorded by the CCD camera. These interferences fringes depend on these characteristics of the illuminated(More)
This paper presents the possibility of measuring the three-dimensional (3D) relative locations and diameters of a set of spherical particles and discusses the behavior of the light recorded around the rainbow angle, an essential step toward refractive index measurements. When a set of particles is illuminated by a pulsed incident wave, the particles act as(More)
PURPOSE OF THE STUDY To underline value of the preoperative splenic embolization with haemostatic aim to facilitate partial splenectomy. MATERIAL Observation of a 23-year-old woman, admitted for pain, anemia, and mass of the left hypochondrium. Sonography, helical CT and MRI showed that the bulky mass was developed from the upper pole of spleen, and(More)
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