An ivory-colored zirconia sintered body having high toughness, high mechanical strength and aesthetical excellence, a process for its production and its use as a bracket for orthodontic application; the sintered body containing stabilizer-containing ZrO2 as a main component, and also containing, based on the stabilizer-containing ZrO2, 0.05 to 1.0 mol % of Er2O3, 0.0001 to 0.05 mol % of Pr6O11, 0....

A process for producing calcium phosphate ceramics having a porous surface is described, which comprise the steps of: a) preparing untreated calcium phosphate ceramics, which comprises a mixture of hydroxyapatite and tricalcium phosphate, and b) treating said untreated ceramics with an acidic solution to selectively dissolve the tricalcium phosphate in the surface of the ceramics.

UN ARTICULO ABSORBENTE (10) INCLUYE UNA CAPA POSTERIOR (30) QUE TIENE UNA MEDIDA DE ANCHURA Y UNA MEDIDA DE LONGITUD Y QUE INCLUYE UNA SECCION CENTRAL ANTERIOR (12), UNA SECCION CENTRAL POSTERIOR (14) Y UNA SECCION INTERMEDIA (16) QUE INTERCONECTA LAS SECCIONES CENTRALES ANTERIOR Y POSTERIOR. SE SUPERPONE UN CUERPO ABSORBENTE (32) EN LA CAPA POSTERIOR (30), Y UNA CAPA DE TRANSFERENCIA INTERMEDIA (...

UN METODO PARA LA FABRICACION DE UNA CAPA DE UN PRODUCTO ABSORBENTE DESECHABLE, LAMINADO (10), TAL COMO UNA CAPA COBERTORA PERMEABLE A LOS FLUIDOS (12), UNA CAPA NUCLEO ABSORBENTE (14) Y UNA CAPA POSTERIOR IMPERMEABLE A LOS FLUIDOS (16) DEL MISMO, CON UNA CANTIDAD COMPARATIVAMENTE PEQUEÑA DE MATERIA DE DESECHO. EL METODO CONSISTE EN LOS PASOS DE CORTAR LONGITUDINALMENTE UN TEJIDO CONTINUO (32) DE ...

LA INVENCION SE REFIERE A UN DISPOSITIVO PARA LA LIMPIEZA DE UN VEHICULO DE DOS RUEDAS, EN PARTICULAR DE UNA BICICLETA (4), CON UNA CABINA (1) QUE RODEA AL MENOS LATERALMENTE Y POR ENCIMA EL VEHICULO (4) DE DOS RUEDAS, EN DONDE SE HA DISPUESTO DE UN EQUIPO (8) DE LIMPIEZA QUE INCLUYE EQUIPOS DE ACLARADO Y/O DE SECADO. LOS EQUIPOS (8) DE LIMPIEZA ABARCAN AL MENOS DOS RODILLOS (9) DE LIMPIEZA DEL TI...

SE PRESENTAN DERIVADOS DEL TRITERPENO DE LA FORMULA (I) EN DONDE R1 ES HIDROGENO O UN RESIDUO DE ESTER METABOLICO, Y R2 ES HIDROGENO O -R3-R4 EN DONDE R3 ES SO3-, -CH2COO-, -COCOO-, O -COR5COORIOR), Y R4 ES HIDROGENO O UN RESIDUO DE ESTER METABOLICO, ASI COMO LAS SALES FARMACEUTICAMENTE ACEPTABLES DE LOS MISMOS, QUE TIENEN ACTIVIDADES ANTIENDOTELINA Y POR LO TANTO SON UTILES EN LA PROFILAXIS Y TRA...

PROCESO DE APLICACION DE REVESTIMIENTOS PROTECTORES SOBRE MATERIALES Y ARTICULOS A BASE DE CARBONO. LA INVENCION SE REFIERE A UN PROCESO PARA OBTENER REVESTIMIENTOS ANTIOXIDANTES REFRACTARIOS SOBRE MATERIALES Y ARTICULOS A BASE DE CARBONO, QUE FUNCIONAN EN UN ENTORNO OXIDANTE A TEMPERATURAS DE HASTA 2.000 (GRADOS) C EN CONDICIONES DE CICLAJE TERMICO Y DE CORRIENTE GASEOSA A GRAN VELOCIDAD. ESTE PR...

An optical information recording/reproducing apparatus for recording and/or reproducing information on and/or from an optical memory medium (1) includes an optical system (2) for forming a light beam spot for recording and/or reproducing information on and/or from the optical memory medium, a signal generating unit (3,4) for detecting a position of the optical system relative to the medium and gen...

A densified porous billet is formed by depositing a matrix composition in the pores of a porous preform. The composition of the matrix is graded, varying with distance from the substrate surface. In one embodiment, pores 46 formed by the voids in a preform of three-dimensionally woven carbon fibres 42 are filled by chemical vapour deposition of a first layer 61 of carbon and subsequent layers 63, ...

A fault tolerant computer system includes at least two central processing units each having a cache memory and a parity error detector adapted to sense parity errors in blocks of information read from and write to cache and to issue a cache parity read or write error flag if a parity error is sensed. A system bus couples the CPU to a System Control Unit having a parity error correction facility, a...

A method for manufacturing a layer of a laminated, disposable absorbent product (10), such as a fluid-permeable cover layer (12), an absorbent core layer (14) and a fluid-impervious backing layer (16) thereof, with a conparatively small amount of waste matter. The method conprises the steps of longitudinally cutting a continuous web (32) of starting material according to a cyclic pattern (34) cons...

PCT No. PCT/GB92/01872 Sec. 371 Date Apr. 12, 1994 Sec. 102(e) Date Apr. 12, 1994 PCT Filed Oct. 13, 1992 PCT Pub. No. WO/9307757 PCT Pub. Date Apr. 29, 1993.An apparatus for use in stunning fowl prior to slaughter has a mechanism for passing a predetermined electrical current through a series of items of varying electrical resistance, the mechanism including a continuous shackle train (10) having...

Psyllium-containing drink mix compositions comprising acid (e.g., citric acid) and granulated, less water soluble base (e.g., calcium carbonate agglomerated with maltodextrin).

The invention relates to a controllable oscillation damper for motor vehicles, comprising a damper cylinder (33) which is filled with damping fluid, in which a damping piston (36) connected to a piston rod (37) and provided with pressure-dependent valves (34,35) for the tension and compression stages slides, the said piston dividing the damper cylinder into two working spaces (39,40), and which is...

The surface of an element which consists of at least one type of ceramic, metal and C/C composite is coated with an external surface oxide protected layer which is stable to ambient conditions in atmospheric air at 1500 DEG C, with a self-regenerable layer being formed as interlayer between the external surface oxide protective layer and the surface of the element. The self-regenerable layer has a...

In a house water decalcifying process, a sufficient number of seed crystals is at first generated in the water to be decalcified, before the water is heated while flowing through a thermal section, and the carbonates generated in the thermal section are made to agglomerate into crystal aggregates around the seed crystals. The crystal aggregates are then removed by means of a filter or another sepa...

The invention relates to novel condensed 4-quinolyldihydropyridines of the general formula (I) in which A, R1, R2 and R3 have the meaning given in the description, a process for their preparation and their use in medicines, in particular in compositions for the treatment of cardiovascular disorders.

This invention relates to an improved article for absorbing bodily fluid and controlling the emission of odors from the absorbed fluids, and in particular to an improved article which comprises an odor control material in combination with a perforated film topsheet.