PURPOSE:To provide an oxide superconductor using no alkaline earth element to improve the durability against moisture by forming an oxygen-deficient perovskite structure having a Cu-O plane in the crystal structure thereof with two kinds of rare earth elements, copper and oxygen. CONSTITUTION:The objective superconductor comprises the oxides of at least two kinds of rare earth elements and copper ...

PURPOSE:To provide an oxide superconductor exhibiting a critical transition temperature of >=100K by comprising mainly a Bi-Ta-Sr-Ca-Cu-O compound having a specific composition. CONSTITUTION:For example, the weight of bismuth oxide, tantalum oxide, strontium carbonate, calcium carbonate and copper oxide powders, respectively, are measured to form the objective oxide composition, repeatedly subject...

PURPOSE:To provide the subject superconductor exhibiting a critical temperature of 110K by mixing a compound of Bi, Sr, Cu and O with a compound of Ca, Pb and O and subsequently subjecting the mixture to a heat treatment to produce a specific oxide composition. CONSTITUTION:A Bi compound (e.g., Bi2O3), a Sr compound (e.g., SrCO3) and a Cu compound (e.g., CuO) are preferably mixed, ground and subse...

PURPOSE:To obtain the title sintered compact of specific structure, useful as a superconducting member or resistor form, high in mechanical strength by forming a mixed raw material comprising ZnO powder and crystallized Bi-Sr-Ca- Cu-O-based superconducting oxide powder followed by sintering. CONSTITUTION:A mixed raw material comprising ZnO powder and crystallized Bi-Sr-Ca-Cu-O-based superconductin...

PURPOSE:To stably form a high-temperature superconducting thin film by decomposing a gaseous compound containing oxygen as a constituent element in a vacuum chamber and depositing particles generated from high-temperature superconductor particle generation source on a substrate. CONSTITUTION:The objective apparatus M for the growth of a high-temperature superconductor has a vacuum chamber 1. A sub...

PURPOSE:To accurately control the composition of a high-temperature superconducting thin film on a substrate by opening and closing shielidng apparatuses attached to plural evaporation sources synchronous to the action of shielding apparatuses of film- thickness sensors provided corresponding to the evaporation sources. CONSTITUTION:A substrate 2 heated with a heater 3 is placed at the upper part ...

PURPOSE:To obtain a thread of high tension and low contraction by such an arrangement wherein at first a tape made of olefine system resin is heated and cooled in the course of stretch processing wherein said tape is caused to run along a heating unit and a cooling unit with tension applied and its secondary processing whereby recrystallization of high molecular composition of said tape is induced...

PURPOSE:To increase braking releasing force without increasing a brake in size by disposing elongated holes of a designated length in the circumferential direction at a portion of the side wall of a yoke, which contacts the vicinity of the base end portion of an armature, and centering magnetic flux at the free end of the armature to increase an exciting current. CONSTITUTION:Elongated holes 10 el...

For the production of a monoaxially stretched shaped article of polytetrafluoroethylene (PTFE), a pasty composition containing PTFE powder is worked continuously into a moulding, which is passed over a plurality of rollers or rolls, is heated and stretched, the moulding being heated before applying the stretching tension to a temperature of between 327 and 450 DEG C, preferably between 350 and 390...

An improved rubber dispersive agent for sulphur is provided which consists of oil composition consisting of rubber processing oil to which rubber or 0.1 ? 30% by weight, and or insoluble sulphur to which said oil composition is to be added at 0.5 ? 30% by weight of total amount. The agent is prepared by mixing the insoluble sulphur with rubber and rubber processing oil under the presence of or non...

31 Composites are made from cellulose fibers dispersed in a matrix of polyethylene and an isocyanate and bonded thereto during subsequent extrusion and or molding. The isocyanate improves adhesion between the cellulose fibers and the polyethylene. The improved adhesion results in improved tensile properties in the composite.

La présente invention concerne un dispositif et une méthode pour la protection à l'aide d'un carter d'un instrument de mesure ou d'un outil spécialisé fixé à l'extrémité d'une colonne. Le dispositif selon la présente invention se caractérise en ce que ladite colonne comporte sensiblement à son extrémité et avant ledit outil un premier organe de guidage et en ce que ledit carter comporte un deuxièm...

An electrosurgical generator comprises a patient circuit which includes an active electrode and a return electrode. The generator generates a pulse train and includes an MXN storage device having M memory locations where M > 1 and each location having N storage positions where N ? 1. The storage device stores at least one K-bit binary signal which is sequentially put out from the storage device. A...

A dispersion, having highly dilatant flow, of a carboxyl-containing copolymer of monoolefinically unsaturated monomers, wherein the temperature dependence of the critical shearing rate is greatly reduced by incorporation of from 0.1 to 30% by weight of oxides, hydroxides, carbonates and/or water soluble salts of monovalent or divalent metals.

A speculum for use in surgical procedures comprising a blade which is at least partially hollow and which defines a chamber therein. The blade includes an exterior tissue contacting face and a perforated interior face which defines at least one opening therein in communication with the chamber. The opening permits surgical by-products to pass into the chamber. The speculum further comprises evacua...

Bediening voor een continu variabele transmissie, waarbij het gaspedaal, de gasklep en de regelmiddelen van de continu variabele transmissie onderling met elkaar zijn verbonden, daardoor gekenmerkt dat de verbindingen (8, 9) vanaf het gaspedaal (1) eerst naar de regelmiddelen (5) van de continu variabele transmissie (4) verlopen en vervolgens vanaf deze regelmiddelen (5) verder lopen naar de gask...

L'invention concerne un dispositif de détermination de paramètres biomécaniques du plancher pelvien. Le dispositif se présente essentiellement sous forme d'une pince (31) constituée d'un support (32), formant une première branche de la pince, sur lequel est articulé un levier (33) formant la seconde branche de la pince, les branches (32, 33) de la pince étant solidaires d'un dispositif (36) sensib...

This invention is directed to an electric vehicle which has motor wheels adapted to fulfil the functions of the direct-drive type system. The motors are each of the outer rotor type in which a central hub (8) is mounted on a knuckle (6). A wheel disc (5) is rotatably mounted on hub. The electric motor rotor (14) is fixed to the wheel disc and the stator (21) is fixed to the hub. The motor wheel as...

PURPOSE:To enable reliable and real-time grasp of the metabolic state of an internal organ in an extremely easy manner by arranging an antimony electrode and a temp. sensing electrode both of which respectively sense the pH and temp. of the internal organ so as to be capable of bringing both electrodes into contact with the internal organ. CONSTITUTION:The leading end part of a composite electrode...

A process for treating sewage comprises mixing sewage containing organic pollutants with activated sludge under aerobic conditions, contacting the mixture of the sewage and activated sludge with polyvinyl pyridine (10), to produce floc (16) and separating the floc (16) from liquid (15) based on the difference in specific gravity.