PURPOSE:To stably capture various cations by forming a cation exchange resin consisting of polyamido-carboxylic acid units represented by a specified general formula and polyimido units represented by a specified general formula. CONSTITUTION:A cation exchange resin proof against org. solvents is formed with a polyimide type resin consisting of polyamido-carboxylic acid units acting as ion exchang...

The present invention relates to a process for carrying out enzymatic reactions using microorganisms encapsulated in a polymer matrix, characterised in that it comprises at least one sweet juice fermentation step carried out under a carbon dioxide pressure. It also relates to an apparatus for its implementation. Application of the process to the preparation of cider.

A spherical porous polyimide powder which is thermally infusible and is insoluble in an organic solvent, comprising spherical porous particles of a weight average particle diameter of 1 to 20 mu m comprising an aromatic polyimide having an inherent viscosity measured in sulfuric acid at a concentration of 0.5 g/dl at temperature of 30+/-0.01 DEG C. of 0.1 to 2.0, wherein a packed bulk density is...

PURPOSE:To lighten a conductor for a superconducting coil, to improve insulating properties and heat-insulating properties and to prevent the deterioration of superconductive characteristics by forming a sheathing member by fiber- reinforced plastic FRP in the conductor for the superconducting coil in which the periphery of a superconductive wire bundle is covered with the sheathing member. CONSTI...

A hydraulically actuated braking apparatus, for spot-type disc brakes is disclosed including a piston having an actuating end, protrudes from the brake housing and which acts on a brake pad. The piston is provided with a shoulder, and a metal ring is mounted on the piston's outside surface. An elastic folded collar is fastened behind the metal ring. The outside surface of the piston has at least o...

The measuring apparatus comprises electronic circuits responding to transducer data and either precise readings of the value of a characteristic or driving light-emitting diodes if the measured value of the characteristic exceeds a preset threshold. The apparatus uses one or more microprocessors to control the measurement and display, controlling operation of analogue-to-digital conversion and pro...

A method and apparatus for low pressure liquid chromatography which is particularly suitable for the testing of body fluids and in particular blood, the method comprising the steps of passing a sample through a chromatography column (4) containing a packing material (38) so that a constituent of the sample is retained by the packing material and passing a buffer solution having a varying concentra...

A system for positioning an electronic test head of a test system with respect to an electronic device handler. A positioner assembly moves vertically and provides substantial movement in the horizontal plane with six degrees of freedom. The positioner assembly includes a section for attaching the test head. A counterbalancing assembly is coupled to the positioner assembly to provide a substantial...

PURPOSE: To improve the diesel characteristic by preparing a dispersant by a first dispersant consisting of a specific polyolefin and a first nucleophilic reactant and a second dispersant consisting of a specific polyolefin and a second nucleophilic reactant. CONSTITUTION: The first dispersant consisting of a monounsatd. dicarboxylic acid forming material having dicarboxylic acid forming parts of ...

An article comprises vitreous substrate 1 bearing electric circuit means 4, 7 which is formed at least in part from, or is in contact with, a deposit or deposits 2, 4, 7 of vitreous enamel. The circuit means includes at least one current collector 7 which consists of or includes a sprayed metallising deposit 8 in contact with the or an enamel deposit 7. The metal current collector or bus-bar reduc...

Polymerisable compounds which can be used for preparing biocompatible materials for medical and dental uses contain a) 15 to 60% by weight monomers with double bonds which can undergo radical polymerisation, b) 8 to 40% by weight fibrous inorganic fillers with a mean fibre length of 10 nm to 300 mu m and a ratio of length to diameter of 2:1 to 300:1, c) 15 to 60% by weight of non-fibrous inorgani...

In order to improve the joining of tube sections (1, 2) of medium tube (6, 7), foam (9, 10) and outer tube (11, 12) to foam-insulated pipelines and to make the joint (3) more reliable in terms of sealing properties, after welding the ends (4, 5) of the medium tubes (6, 7) firstly the joint (3) is provided with a foam insulation (20), then the joint (3) is bridged by formwork (21) and the remaining...

PURPOSE:To obtain a sharp image by performing the excitation of a spin at a constant interval considering the recovery state of a longitudinal relaxing time, by determing a repeated time and the number of images to obtain the nuclear magnetic resonance signal of an object to be examined. CONSTITUTION:An electrocardiographic waveform is inputted and the R-wave thereof is differentiated to be inputt...

PURPOSE:To make the fatique destruction from a knot part hard to generate, by constituting a vibration transmitting member of a fiber reinforced metal. CONSTITUTION:A vibration transmitting member 9 is formed of a fiber reinforced metal. As a fiber, for example, a long fiber 25 having a length of 10cm or more is used and a large number of long fibers 25 are provided along the axial direction of th...

PURPOSE: To decrease pain and to decrease administration of a tranquilizer, an anesthetic or an analgesic by making the capacitance of an impulse current generator variably adjustable. CONSTITUTION: Pain to be generated in a patient depends on an energy introduced into the body on every shock wave and the energy depends on the size of the capacitance in an impulse current generator. Therefore, tak...

Process for the preparation of a composite material formed of reinforcing fibers, regularly distributed and oriented in more than two directions, and of a matrix filling up the space between said fibers. According to the invention, said process consists in: producing a convex brush of said reinforcing fibers, regularly distributed and fixed by one of their ends on a convex base, said fibers being ...

La présente invention concerne les rotules pour prothèses.

La rotule selon la présente invention se caractérise essentiellement par le fait qu'elle comporte deux parties mâle et femelle, la partie mâle comprenant une tête sphérique 13 et des moyens 9, 10, 11,... pour monter fixement la tête sur une patte de fixation 4, la partie femelle comprenant une cupule 17 d'une forme sphérique conca...

Device for separating phases of a fluid medium, characterised in that it comprises at least one lower structure 12 and at least one upper structure 11, each having a small base 13, 16 and a large base 14, 15, the said large bases being placed facing one another, and in that the large base 14 of the upper structure 11 is smaller in section than the large base 15 of the lower structure 12 so as to p...

L'invention concerne un nouveau revêtement de sol coulé.

Selon l'invention ce revêtement comporte au moins deux couleurs ou deux nuances d'une couleur différentes incrustées dans la masse et disposées de façon à former un décor.

Le procédé pour préparer ce décor comprend les étapes suivantes :

a) application d'une couche d'une matière 1 ayant une couleur donnée,

b) réali...

Permanent biologically active implants, characterised in that they consist of a biologically active vitreous ceramic matter which can be wrought mechanically and which has the following weight composition, in %: SiO2 29.5 to 32.5, Al2O3 14.5 to 17.5, MgO 14.5 to 16.5, Na2O 2.0 to 3.0, K2O 5.5 to 6.5, F<-> 5.0 to 6.0, CaO 13.0 to 15.0, P2O5 10.0 to 12.0 and of separate crystalline phases consisting...