A computerized tomographic apparatus is disclosed, as well as a method of operating such apparatus. In circumstances where collimation between the body under examination and the radiation-sensitive detector means is difficult to apply, errors in evaluated absorption coefficients for locations distributed over a cross-sectional slice of the body due to scatter within the slice are reduced by produc...

PURPOSE:To reduce resistance during an agitation process and uniformly blend a lead powder and an additive in a short time with the high speed rotation of an agitation vane by causing the natural fall of the powder within a silo in a sealed condition and scattering and blending the powder and the additive with a vane rotating at a high speed during the process of the fall. CONSTITUTION:A lead powd...

PURPOSE:To improve the discharge capacity and the cycle life sharply by making the including amount of an inorganic oxide such as SiO2 and Al2O3 different in a positive and a negative electrode, in a separator, and in a part other than those members respectively, in a cell using a gel-form electrolyte. CONSTITUTION:In a clad type lead cell using a gel-form electrolyte, the including amount of an i...

METODO PARA FABRICAR UN MATERIAL DE FILTRACION ESPUMADO PARA ELEMENTOS FILTRANTES DE HUMO DE TABACO. CONSISTE EN ALIMENTAR A UN EXTRUSOR, JUNTAMENTE CON AGUA, UN MATERIAL PLASTICO EN PARTICULAS SELECCIONADO ENTRE POLIPROPILENO, ACETATO DE CELULOSA, POLIETILENO, POLIESTER, VISCOSA Y NILON, Y UN POLISACARIDO SELECCIONADO ENTRE ALMIDON, ALMIDON MODIFICADO, CELULOSA Y CELULOSA MODIFICADA, HACIENDOSE F...

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...

PURPOSE: To perform the cold extrusion by one process by covering a metallic plate by a lubricant film made of a specific material, and performing the reverse extrusion of the metallic plate by a plunger having a plunger head with a swelled bottom surface and having a rounded undercut between the plunger head and a plunger shaft. CONSTITUTION: The metallic plate made of tantalum or niobium and an ...

A connector for connecting the confronting ends of tubing sections. The connector includes a connector body having an opening therein which extends therethrough along a longitudinal axis of the housing. The housing includes as first end for connection to the confronting end of a first tubing section. A first annular chamber is provided in the housing between the first end and the second end of the...

An amino-formaldehyde moulding composition is made by compounding together an aqueous amino-formaldehyde resin solution to provide 0 to 90 percent by weight of the resin component of the composition, filler to make up 20 to 60 percent by weight of the moulding composition and UF resin which had a low degree of condensation, is solid at room temperature, contains a modifier and makes up 4 to 80 per...

In order to control the traction of motor vehicle driving wheels (1, 2) the driving wheels are immediately and automatically disengaged from the engine (6) when wheel slip is detected, and then gradually re-engaged as soon as a substantially non-slip state is obtained, the fuel supply to the engine (6) being reduced after disengagement in order to avoid racing. The disengagement and the re-engagem...

This invention relates to a composition of matter having a fibre structure incorporating a major proportion of heat shrinkable fibres, the structure includes within it discreet fibre groupings which serve to provide structural elements within the composition. The composition of the invention is capable of being formed to provide shaped products. A particular aspect of the invention relates to comp...

The invention relates to the manufacture of urea-formaldehyde condensation polymers containing sulpho groups. The starting material is a urea-formaldehyde precondensate, and a condensation polymer of naphthalenesulphonic acid and formaldehyde is used as the acid catalyst for the subsequent polycondensation of the urea-formaldehyde precondensate. The peculiarity of this polycondensation is that the...

PURPOSE:To obtain an oxide superconductive wire having high sintering density and critical current density by roughening the metal pipe inside having an inner diameter of the almost equal length to an outer diameter of an insertion substance followed by oxidation treatment, heating and expanding of a metal pipe so as to make the insertion substance a composite substance. CONSTITUTION:A metal pipe ...

PURPOSE:To obtain an oxide superconductive wire having high sintering concentration and excellent critical current concentration by roughening one side face of a metal tape and this roughened face is given oxidizing treatment to be made a coated substance while an interpolation substance is coated by the coated substance for being made a composite substance. CONSTITUTION:A metal tape 8 is prepared...

PURPOSE:To increase the current capacity of the oxide superconductor contg. Bi, Sr, Ca, and Cu at specific atomic ratios or Tl, Ba, Ca, and Cu at specific atomic ratios and to increase the critical current density thereof by packing the above-mentioned superconductor into a metal pipe and rolling the pipe to a laminar state of a specific thickness. CONSTITUTION:Powder 2 of the oxide superconductor...

PURPOSE:To granulate on resin by a method wherein the specified particulates are adhered to an unsolidified resin composition and, after solidification of the resin, the particulates are dissolved away. CONSTITUTION:A latex composition coating 11 is formed on the surface of a mold. Under the state that the latex coating 11 is still unsolidified, particulates, which do not dissolve in latex and dis...

LA PRESENTE INVENCION PROPORCIONA UNA PELICULA DE ENVASADO QUE INCLUYE UNA PELICULA DE BASE DE UNA MATERIA PLASTICA PARCIALMENTE SOLUBLE EN AGUA QUE LLEVA EN LA SUPERFICIE UNA CAPA PROTECTORA, EN FORMA DE PARTICULAS, DE UN MATERIAL PLASTICO INERTE CON UN ANGULO DE CONTACTO CON EL AGUA DE 80G; SIRVIENDO DICHA CAPA PARA PROTEGER LA SUPERFICIE DE PELICULA DE BASE CONTRA EL ATAQUE DEL MEDIO ACUOSO, MI...

PCT No. PCT/FR89/00144 Sec. 371 Date Nov. 16, 1989 Sec. 102(e) Date Nov. 16, 1989 PCT Filed Mar. 28, 1989 PCT Pub. No. WO89/09089 PCT Pub. Date Oct. 5, 1989.New cation-active amine compositions, liquid at ambient temperature, which do not form concretions by prolonged maintenance at temperatures in the region of 0 DEG C., nor by exposure to the open air, and which do not contain solvents, compris...