摘要:
The invention relates to a process for producing a solid catalyst for the ozonation of an effluent containing organic pollutants, wherein said process comprises the depositing of a ruthenium- and/or iridium-based powdered catalyst on an open-cell foam substrate, the powdered catalyst being joined to the foam support by means of a sol-gel binder. The invention also relates to a process for treating an effluent containing organic pollutants, said process comprising the ozonation of said effluent in the presence of such a catalyst.
摘要:
The invention relates to a method for removing a microorganism biofilm pre-existing on an inert surface, characterized in that said biofilm is subjected to a cocktail of microorganisms comprising at least "swimming" strains, capable of passing along the plane and through the thickness of said biofilm, and said biofilm is subjected to at least one antimicrobial product directed against at least one microorganism of the biofilm to be removed.
摘要:
The invention relates to an endosseous implant capable of being implanted into osseous tissue. The implant comprises an attachment device (3), comprising: a so-called portion (31) for hooking into the osseous tissue; a so-called expansion portion (32), said two portions being movable relative to one another; engaging mechanical connection means (33, 33a, 33b), arranged on the engaging portion (31) and on the expansion portion (32), such that the relative mobility of the two parts has at least one degree of freedom, and such that a relative movement of said two parts causes an enlargement of the engaging portion, said enlargement causing the engaging portion to engage with the osseous tissue. The endosseous implant can be used in particular in the dental field.
摘要:
The invention relates to a positioning device for assembling parts on a structure. Specifically, the invention relates to a positioning device intended for assembling stationary brackets on an aircraft structure. A laser projector is attached directly to the rigid structure of the aircraft and the position of the projector is therefore stable relative to the structure, even if said structure is deformed slightly. The position of the projector is determined in an exact manner via test patterns, which are also attached to the primary structure. The invention also relates to a method for implementing said device.
摘要:
L'invention appartient au domaine des panneaux structuraux, plus particulièrement, mais pas exclusivement, au domaine des panneaux de fuselage d'aéronef. L'invention concerne un panneau raidi (10) comprenant au moins un raidisseur (4), dit longitudinal, s'étendant sensiblement d'une extrémité à l'autre du panneau et dont la trace suit sur la surface de la peau (1) dudit panneau une trajectoire à courbure géodésique non nulle entre les deux extrémités du raidisseur. Cette configuration permet d'optimiser la raideur et la résistance du panneau au flux d'effort auxquels il ait soumis en service en minimisant sa masse par une définition optimale de l'orientation des raidisseurs par rapport audit flux d'effort.
摘要:
The invention relates to an aircraft fuselage structure comprising a circumferential reinforcing frame (2) and a plurality of stringers (3) substantially perpendicular to the frame. The frame comprises a mechanically weakened area capable of undergoing localised buckling under the effect of a compressive force exerted circumferentially thereon. The structure comprises an energy absorbing device (5) including two effector members (52) solidly connected to the frame on each side of the weakened area respectively and a central core (51) maintained between the effector members such that a reduction in the distance between the effector members produces a deformation of the central core which can absorb energy under the effect of said deformation.