摘要:
La présente demande concerne un procédé de fabrication d'une pièce crue en matériau céramique par la technique des procédés additifs suivant laquelle des couches d'une pâte photodurcissable sont amenées successivement à durcir par irradiation selon un motif défini pour chaque couche, la première couche étant formée sur une surface de travail (3) sur un plateau de travail (4), chaque couche étant, avant son durcissement, étalée par raclage à partir d'une masse de pâte (2) amenée sur ledit plateau de travail (4), lequel est abaissé à chaque formation de couche. Lors de l'étalement d'au moins l'une des couches de pâte photodurcissable, on amène au moins une lame de raclage en position de travail, en plus de son mouvement de raclage (8) ou mouvement dit de passe, à se déplacer en va-et-vient dans son plan, selon un mouvement dit de vibration.
摘要:
The invention relates to a basic antenna (2) for forming a radiating element of an array antenna, including, vertically adjacent to one another: a planar reflector (4); a probe (6); and an EBG assembly (8) that is, by default, in the form of a cavity (16). The basic antenna (2) includes a wall enclosure (10) capable of reflecting the electromagnetic waves at one or more operating frequencies of the basic antenna (2), said wall enclosure (10) being an extension of the planar reflector (4) in the orthogonal direction, and simultaneously surrounding only the probe (6), the cavity (16), and the structure (14). The one- or two-dimensional array antenna includes a plurality of compactly-arranged contiguous basic antennas (2).
摘要:
According to the invention, the intermediate sheath (13) is formed by assembling longitudinal elements (13A) and includes: a first optical material, the refractive index of which differs from the refractive index of the monomode core by at most 10 -3 ; and a second optical material, the refractive index of which is lower than the refractive index of said monomode core and differs therefrom by at least 10 -3 .
摘要:
The invention relates to a laser oscillator comprising an amplifying optical fibre (MA) inserted in a resonant cavity so as to act as an active medium, and pumping means (DL, CP) causing a population inversion in said amplifying optical fibre, characterized in that said amplifying optical fibre comprises at least two cores (C1, C2) optically coupled to each other in a common cladding (G), and in that the shapes, sizes, refractive indices and the relative arrangement of said cores are chosen so that super-modes are supported, at least one (SM1) of which super-modes has, in an emission spectral band of said laser oscillator, a normal chromatic dispersion.
摘要:
The invention relates to a non-human transgenic mammal with an IgH locus modified by replacement of the switching sequence Sµ, with all or part of a transgene comprising the gene Cα of a class A human immunoglobulin, including at least the exon, coding for the CH3 domain and the membrane exon and the applications of the above for the production of humanized class IgA antibodies.
摘要:
The invention relates to the use of nucleotide sequences corresponding to the sliver gene, also known as the SI gene, and to the different allelic forms thereof, or corresponding to fragments of said gene and of the different allelic forms of same, in order to perform a method for the identification of different populations or races of ruminant mammals, such as cattle, sheep or goats.
摘要:
Procédé de réalisation de semi-conducteurs polymères par implantation d'ions, caractérisé en ce qu'il consiste à doper des polymères électro-actifs stables à l'aide d'ions de rayons adaptés pour diffuser à l'intérieur des fibrilles des polymères, avec une énergie d'implantation relativement faible, le seuil supérieur étant d'autant plus petit que le diamètre de l'ion est petit.