The computer tomography (CT) scanner includes a portal cabinet (14) and a bed (18) for supporting a body (16) to be scanned inside an opening in the cabinet (14). An x-ray beam source (12) is attached to the cabinet and a drive unit (24) rotates the x-ray source around the body. An x-ray detector system (13) is arranged on the side of the body opposite to the x-ray source (12). The detector system...

PURPOSE:To shorten the processing time required for centrifugation by enabling a centrifugal tube to be replaced without stopping a rotor for the centrifugation. CONSTITUTION:A centrifugal separator A consisting of a rotor 10, a rotor 20 for centrifugal tube replacement constituting a transporting device for a centrifugal tube, a centrifugal tube supply device 30, and a controller 50. A centrifuga...

SE DESCRIBE UN SISTEMA PARA ALMACENAR ENERGIA ELECTRICA EN FUNCION DEL PUNTO TRIPLE DEL CO2 Y USANDO ENTONCES DICHA ENERGIA ALMACENADA JUNTO CON EL CALOR PARA GENERAR ENERGIA ELECTRICA. EN UN RECIPIENTE AISLADO SE CREA UN DEPOSITO DE DIOXIDO DE CARBONO LIQUIDO EN LAS PROXIMIDADES DEL PUNTO TRIPLE. EL DIOXIDO DE CARBONO LIQUIDO SE EXTRAE Y SE BOMBEA A ALTA PRESION, DICHO DIOXIDO DE CARBONO LIQUIDO ...

PROCEDIMIENTO PARA LA EXTRACCION DE SUBSTANCIAS DE BAJO PESO MOLECULAR A TRAVES DE MEMBRANA PRESENTES EN PRODUCTOS NATURALES Y SINTETICOS REALIZADO MEDIANTE UN PROCESO DE MEMBRANA EN EL QUE HA SIDO SUBSTITUIDO EL SOLVENTE DE UNO DE LOS LADOS DE LA MEMBRANA SEMIPERMEABLE (DIFUSATO) POR UN SOLVENTE INMISCIBLE CON LA SOLUCION DE LA QUE SE QUIERE REALIZAR LA EXTRACCION (DIALIZATO). EL PROCEDIMIENTO PE...

A method and apparatus for buffing a tread is described. The method comprises mounting a tread on an apparatus capable of bufffing the casing engaging surface of said tread, the apparatus buffing the tread such that the grooves are formed on the buffed tread surface. The grooves angularly intercept a tread edge.

A scraper filter system, which comprises a screw-formed spiral impeller within a cylindrical filter element, and scraper means in the groove formed along the spiral end of the impeller for engagement with the internal surface of the filter element for scrapingly removing solid components deposited on the surface of the filter element. The scraper means is comprised of a plurality of separate arcua...

Molecular sieve compositions are prepared by extracting aluminum and substituting chromium and/or tin for extracted aluminum to give molecular sieve products containing framework chromium and/or tin atoms. The process of preparing the chromium and/or tin-containing molecular sieves invovles contacting a starting molecular sieve with a solution or slurry of at least one of a fluoro salt of chromium...

A process for the production of cellular plastics by the polyisocyanate polyaddition process, by reacting a) an organic and/or modified organic polyisocyanate with b) at least one relatively high-molecular-weight compound containing at least two reactive hydrogen atoms, and, if desired, c) a low-molecular-weight chain extender and/or crosslinking agent, in the presence of d) a blowing agent e) a c...

A position detecting system of a moving vehicle wherein a light beam scanned around the vehicle to be reflected by reference retroreflective means is received on the vehicle, the azimuth of each retroreflective means to be detected in the next scan is predicted, the azimuth of a particular incident light which forms the smallest angle with the predicted azimuth and is detected between two referenc...

Apparatus for detecting and controlling the position of an automatic guided vehicle to enable precise positioning of the vehicle at a predetermined place such as a load pickup/delivery terminal. In one embodiment a mat having a passive short-circuited loop of wire embedded in it is positioned on the floor at the terminal. On the vehicle an oscillator and a transmitting antenna provide a primary ma...

Method and apparatus for logging a formation interval in a well when the fluids are produced therefrom by a downhole pump. The method comprises lowering into the well a tubing (10) carrying a downhole pump (14) and a logging assembly, the logging assembly comprising a support (31) releasably latched in the tubing at an upper position located a predermined distance above the pump, a cable section (...

Electromagnetic brake, comprising a brake wheel (6), a friction surface (5) touching the wheel during braking and attached to an anchor plate (3) moved by brake springs (14) and an electromagnet (7,8) and an anchor which together disengage the friction surface from contact with the brake wheel when a current is supplied to the magnet. To compensate the wear of the friction surface, the brake has a...

Previous weather resistant cementitious compositions in which succinic acid derivatives were incorporated to improve weather resistance have been found to suffer from an undesirable decrease in compressive strength. In accordance with the invention, compressive strength is significantly increased without substantially reducing weather reistance by adding an antifoam agent to the mixture prior to s...

The extremely low temperature cold accumulating material for use in refrigerators, for example, comprises particles containing at least one kind of rare earth element selected from a group consisting of Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, and Yb. The proportion of particles each having a particle size of 0.01 to 3 mm is 70 % or greater by weight with respect to the whole particl...

A non-toxic chlorine and fluorine free solvent having high dielectric strength and thus being useful for cleaning electrical and electronic equipment.

A method for depositing a thick, adherent and coherent polycrystalline diamond (PCD) film onto a metallic substrate using a deposition rate of no greater than 0.4 mu m per hour. The resulting PCD Film has a smooth surface finish, enhanced crystal orientation in comparision to industrial grade diamond powder particularly in the (220) and (400) directions, and excellent electrical and thermal prope...

This invention discloses a method of manufacturing a product of one-piece construction wherein silicone rubber has been made to adhere, characterized in that a substrate is immersed in a primer comprising: (A) A silicon compound containing at least 1 organic group with an aliphatic unsaturated bond and at least 1 hydrolyzable group bonded to a silicon atom, (B) A silicon compound containing at lea...

The invention relates to the formation of isoimides from amic acids, especially polyisoimides by a novel process in which polyimides are first converted to polyamic acids and then contacted with an isoimidizing agent. An acyl halide of a heterocyclic nitrogen compound or an acyl halide of a heterocyclic sulphur compound can be used as the isoimidizing agent. The isoimidization may also be carried ...

A method of producing a polyether copolymer by reacting a dihalogenobenzonitrile, 1,4-bis(4'-halobenzoyl)benzene, with 4,4'-biphenol in an aprotic polar solvent in the presence of an alkali metal compound to produce a polyether copolymer having repeating units represented by the following general formula (I) (I) and the repeating units represented by the following formula (II) ...

An environmentally sealed vehicular air bag sensor. The sensor employs a conventional ball and tube accelerometer which supplies an electrical signal when subjected to a deceleration of force equal to or greater than a preset limit. All of the electrical connections of the sensor are disposed in the interior thereof, and the interior is sealed from the operating environment of the vehicle, thus en...