Methods and device in X-ray diagnostics, in particular in mammography, for regulation of the exposure of a film (F) or equivalent to an optimal level. In the method the radiation that has passed through the object (2) of photography is measured by means of an arrangement of detectors (4a...4n) and, based on this measurement, the time of exposure regulated. The measurement signals are passed from t...

Methods and device in X-ray diagnostics, in particular in mammography, for regulation of the exposure of a film (F) or equivalent to an optimal level. In the method the radiation that has passed through the object (2) of photography is measured by means of an arrangement of detectors (4a...4n) and, based on this measurement, the time of exposure regulated. The measurement signals are passed from t...

In a mammographic X-ray apparatus the breast (4) to be photographed is pressed between a press plate (2) and a film cassette (5) or an equivalent depicting member, and the compression force (F) applied to the breast (4) is measured by a detector (3). On the basls of this measurement, the velocity (V) of the compression movement of a press motor (7) is regulated. The apparatus comprises a C-arm (1)...

PCT No. PCT/SE86/00560 Sec. 371 Date Jul. 22, 1987 Sec. 102(e) Date Jul. 22, 1987 PCT Filed Dec. 9, 1986 PCT Pub. No. WO87/03675 PCT Pub. Date Jun. 18, 1987.A thread meter comprising a holder for a thread reel, a counter provided with a rotary measuring wheel and guides for a thread, and an outer casing for enclosing said details. The invention is characterized in that a first guide (19) for a thr...

A control system for a vehicle engine coupled with an automatic transmission, which comprises a torque controller (B5) operative to vary torque produced by the vehicle engine (1), in accordance with a controlled variable, so as to suppress torque shock resulting from a speed change operation carried out to vary a gear ratio in a power transmitting gear arrangement (20) provided in the automatic tr...

The invention relates to a method and an apparatus for concentrating substances from liquids by saturating a liquid with gas under pressure, for the subsequent expansion in a floatation cell and for the filtration of the floating material. In order, with a high efficiency, to make possible for example both a liquid cleaning and a dewatering of the concentrate obtained during the cleaning, it is pr...

An improved centrifuge. The centrifuge may be a conventional centrifuge having a rotor and a plurality of tube receiving adaptors inserted into the rotor in a circular configuration. The improvement comprises a flexible flap having a fixed end mounted on the rotor at an adaptor and having an opposing free end. The free end extends radially inward toward the center of the rotor when the rotor is no...

A method of operating a combined plant which is composed of a gas turbine system including a compressor into which air is introduced through an inlet guide vane, a combustor in which a fuel is burnt with the air compressed by the compressor, and a turbine into which the combustion gas is introduced to generate an output power, a waste-heat recovery boiler which generates steam by the heat possesse...

Disclosed is a coating composition rapidly curable at room temperature in the presence of a vaporous tertiary amine catalyst which coating composition is ideally suited for coating reaction injection molded (RIM) urethane parts, upholstery vinyl, and sheet molding compound (SMC). The flexible coating composition of the present invention preferably comprises an aromatic hydroxyl-functional condensa...

The invention relates to a method for the detection of fungi and algae in animal or human tissues and body fluids, to preparations containing an optical whitening agent suitable for the method, and to a test pack for performing the method. The tissue sections or body fluid samples to be examined are treated with an optical whitening agent and observed using a fluorescence microscope. The invention...

A system and method for optically measuring parameters including dry basis weight, basis weight and moisture content of fibrous sheet materials during manufacture without scanning. The system includes means for reflecting modulated light as parallel rays perpendicularly incident upon one surface of a traveling web, and means to detect light transmitted through the web at least at distinct bands of...

A user interface for clinical configuration of a multimode medication infusion system for use with a disposable fluid pathway that incorporates a sterile cassette containing pumping elements and sensor interfaces in a multi-channel configuration. The hardware portion of the user interface comprises an audio signal generator (26), status indication devices (24), an information display (28) and user...

Disclosed is herein a process for producing a molding product of Al or Cu composite material, which comprises admixing a functional material capable of improving the desired property of the composite material by dispersion into a matrix to a powder of metal selected from Al, Cu or alloys thereof constituting the matrix, charging the dust directly into a molding die, applying cold dust core molding...

The described device comprises two primary pliers systems (2, 2a) arranged to engage through respective gripping elements (25, 26) the opposite ends of an elastomeric filler (45) applied on the bead core (46). The pliers systems are pivoted around an axis a little far, toward the center of the bead core, with respect to the convergence point of the V-shaped opening formed by the ends of the filler...

An apparatus is provided for measuring the concentration of a substance in a sample solution. The apparatus comprises first electrode means (20, 22, 24), second electrode means (30, 32, 34) and an enzyme channel (14) between the first and second electrode means. The enzyme channel (14) contains an enzyme for catalysing a reaction of the substance whose concentration is to be measured. In use, a kn...