A method and apparatus for improving skin line viewing in a medical X-ray diagnostic system having an X-ray source (50) for generating a scanning X-ray beam (52) to image a target (60). In one form, the apparatus includes a first collimator (58) positioned in the X-ray beam and having a rectangular shaped slit (56) for passing the beam. A second collimator (120L, R) is positioned adjacent the firs...

A method and apparatus for improving imaging in an X-ray mammography machine having a controllable X-ray source (50) incorporates apparatus for directing the X-ray beam (52) in a preselected configuration onto at least a portion of a target area (60). The creation intensity of the beam is detected (114) in each of a plurality of substantially equal segments (1 DIVIDED 12) of the target area and a ...

EL INVENTO CONSISTE EN SOMETER A LOS MARISCOS CON CONCHA (2) A UNAS RADIACIONES INFRARROJAS (4,6) DURANTE UN TIEMPO COMPRENDIDO, PREFERENTEMENTE, ENTRE 30 SEGUNDOS Y 3 MINUTOS, Y CONSTA DE TRES FASES DURANTE LAS CUALES LOS MARISCOS CON CONCHA (2) SON EXPUESTOS A LAS RADIACIONES, EN PRIMER LUGAR, POR ENCIMA, DESPUES POR TODA LA SUPERFICIE DE LA CONCHA Y, FINALMENTE, POR DEBAJO. LA INSTALACION CONST...

Performance of the plates is improved by (a) preparing the paste for application to the plates, to produce a final density of 3.6-4.0; (b) treating the pasted plates with this mixture in a soln. contg. persulphate anions in concn. of 20-80 g/l; and (c) curing the plates for 0.5-5 hours at 70-100 deg.C and 70-100 per cent relative humidity.; PROCEDIMIENTO PARA MEJORAR LAS PRESTACIONES ELECTRICAS DE...

PCT No. PCT/SE86/00384 Sec. 371 Date Apr. 29, 1987 Sec. 102(e) Date Apr. 29, 1987 PCT Filed Aug. 29, 1986 PCT Pub. No. WO87/01516 PCT Pub. Date Mar. 12, 1987.In an electrode for an electrochemical cell, the solid active electrode material is accomodated in a plurality of electrolyte-permeable hollow fibres, preferably of yieldable plastic. An electrochemical cell comprises at least one such electr...

The solar energy collector is used in the field of building construction. It offers increased accumulating properties of the longitudinal walls. A possibility is created for multiple repeating of the accumulating longitudinal walls in multi-compartment buildings and the isolated spaces formed by these walls ensure direct access of solar rays to all surfaces and their linings regardless of the atmo...

1,1,1,4,4,4-Hexafluorobutane is used as a blowing and insulating gas in the production of plastic foams, preferably isocyanate-based foams, in particular in the production of polyurethane foams.

To prepare foam plastics, in particular polyurethane foam plastics, which are free from chlorofluorocarbons (CFCs), the blowing agent used is pure nitrogen obtained by simultaneous, binary reaction of the ions NH4<+> and NO2<-> of two NH4<+> and NO2<-> ion-forming solutions of ammonium salts and alkali metal nitrites, such as ammonium chloride or ammonium sulphate solution and sodium nitrit...

An inert, water-immiscible inert organic liquid having gas transport properties, water and a suitable emulsifying agent are formed into a stable gel by emulsifying a mixture of the same, concentrating the emulsion to form a gel phase and a liquid phase, and separating the two phases. The resulting gel can be used as an ointment or cosmetic for skin irritations or wounds, or as a coating in industr...

PURPOSE:To obtain a highly precise bearing by inserting a metallic cylinder having a concave-convex portion on the inner surface thereof in an injection molding metal mold, leaving space from a cavity wall surface, and injecting resin between the inner peripheral surface of the metallic cylinder and the cavity wall surface under high pressure. CONSTITUTION:A cylinder 1 forms the outer layer of a s...

Disclosed is a laminated product, which comprises a layer of a polycyanoaryl ether containing 80 mole % or more of the recurring unit represented by the formula (I): and a layer of a fibrous reinforcing material laminated on one another. The laminated product of this invention is excellent in heat resistance, mechanical strength, solent resistance, flame retardancy, moldability and therefor...

SE PRESENTA UN FOLIO DE PLASTICO A BASE DE PVC - DURO O SEMIDURO PARA FORMAR PRINCIPALMENTE HERRAMIENTAS POROSAS, UN RECUBRIMIENTO CON CAPAS CON MEDIADOR ADHERENTE. SE UTILIZA COMO MEDIADOR ADHERENTE UN MEDIADOR ADHERENTE EN DISOLUCION LIBRE DE DISPERSION.; A plastic sheet based on rigid or semirigid PVC for lamination in particular with porous materials has an adhesion-promoter coating. The adhes...

PCT No. PCT/EP93/00088 Sec. 371 Date Jul. 15, 1994 Sec. 102(e) Date Jul. 15, 1994 PCT Filed Jan. 15, 1993 PCT Pub. No. WO93/14882 PCT Pub. Date Aug. 5, 1993.The invention relates to a process for the preparation of multicoat finishes of the basecoat/clearcoat type in which transparent topcoats are employed which contain (A) as binder, an autocrosslinkable polyacrylate resin which contains on stati...

PCT No. PCT/SE92/00784 Sec. 371 Date May 18, 1994 Sec. 102(e) Date May 18, 1994 PCT Filed Nov. 13, 1992 PCT Pub. No. WO93/13815 PCT Pub. Date Jul. 22, 1993.The present invention relates to an implant made of a porous non-toxic material having a total open porosity exceeding 5% by volume but not exceeding 80% by volume within at least one portion of the implant, which is characterized in that: comm...

PCT No. PCT/SE93/00036 Sec. 371 Date Sep. 6, 1994 Sec. 102(e) Date Sep. 6, 1994 PCT Filed Jan. 20, 1993 PCT Pub. No. WO93/14478 PCT Pub. Date Jul. 22, 1993The invention relates to a method and a device for remote sensing of objects, said method including the steps of marking said objects with at least one label (10) comprising at least one electrical resonant circuit (14) having an induction means...

UN MARCADOR MAGNETICO DE DOBLE ESTADO PARA EMPLEO EN SISTEMAS ELECTRONICOS DE IDENTIFICACION DE ARTICULOS, EN EL QUE UNA PIEZA DE BAJA FUERZA COERCITIVA, Y DE MATERIAL DE ALTA PERMEABILIDAD SE COLOCA ADYACENTE A UNA PIEZA DE MATERIAL DE MAGNETISMO REMANENTE. LA PRIMERA PIEZA SE CONFIGURA DE TAL FORMA QUE NO PRODUCE CARACTERISTICA DE RESPUESTA CUANDO SE INVIERTE LA MAGNETIZACION DE TODA LA PIEZA, M...

PARA DESACTIVACION DE UNA ETIQUETA DE RESONANCIA (E) SE EMITE SOLAMENTE UN IMPULSO DE DESCARGA INDIVIDUAL QUE FORMA SOLAMENTE UNA SEÑAL EN LUGAR DE UNA VIBRACION Y DESTRUYE LA ETIQUETA (E). PRINCIPALMENTE SIRVE COMO FUENTE DE ENERGIA PARA TRANSMISION DEL IMPULSO DE DESCARGA UN CONDENSADOR DE DESCARGA (C1) QUE SE ACOPLA EN SERIE A UNA ANTENA EMISORA (L1) Y ES TRANSBORDABLE POR UNA ARTICULACION DE C...

In a pipe clamp for tapping and closing off plastic supply pipelines, the clamp upper shell is constructed from plastic and provided with a one-piece pipe socket. The clamp upper shell can be welded to the desired position of the supply pipeline. In the pipe socket, a coaxial, tubular metal insert, with an internal thread accessible from the interior of the pipe, is provided. To facilitate the han...

PURPOSE: To exhibit a high excavating force by providing a hydraulic cylinder between a shovel base and a boom and operating a dipper of the lower end of a handle in cooperation of a pushing-out force with the driving force. CONSTITUTION: A pair of hydraulic cylinders 72a, 72b, & 74a, 74b are provided between a gantry 6 on the base 4 of a revolving frame 2 of the surface excavation shovel and ...