PURPOSE:To facilitate easy restoration of capacity against deep discharge, corrosion protective property of a collector under a high temperature, and the extension of recycle life by using specified positive and negative electrode collectors and active material, and a retainer. CONSTITUTION:A positive collector is made of Pb-Sb alloy, and filled with positive electrode active material made of PbO2...

PURPOSE:To active aerobes and clean polluted materials by installing a structure driving a pump via the rotation of a propeller by the wind power to compress the air on a float, floating it on a lake or the sea, and feeding the air by pressure into the water. CONSTITUTION:A windmill 2 and a pump chamber 3 are installed on a ship- shaped float 1 floated on the water surface, this float 1 is moored ...

A centrifuge is disclosed designed either as a solid bowl centrifuge or separator for separating solids/liquids mixtures. A centrifuge drum having an outer jacket is provided with apertures positioned in the jacket. Through the apertures at least a partial discharge of concentrated solids phase occurs thereto. A control device preferably in the form of a disk provides a surface spaced at a small i...

PURPOSE:To make it possible to measure accurate reflection density readily without the effect of the fluctuation of the intensity of a pulse light source, by projecting the light from the pulse light source into a light transmitting plate provided between a material to be measured and the light source obliquely, and using the reflected light as reference light. CONSTITUTION:Light 43 from a pulse l...

PURPOSE:To secure the fed quantity required for analysis and measurement, by detecting the wound diameter of a test film which is wound around a film reel that is not used and a used film reel, and counting the number of rotations of the reels required for sending the specified length. CONSTITUTION:Liquid to be tested is dropped from a dropping nozzle 3 on an analyzing region 4 of a test film 31 w...

PURPOSE:To clean a superconducting oxide material, to readily manufacture a superconducting device and to prevent variability of element characteristics, by sputtering the surface of the superconducting oxide material by using an oxidizing gas. CONSTITUTION:A superconducting oxide material 9 or a thin film thereof is placed in a vacuum chamber 3 and (1) the superconducting oxide material or the th...

PURPOSE:To enable O2 feed to a Cu-containing oxide superconductor film in heating treatment carried out at low temperature in short time and make it possible to prevent deterioration of the superconducting film during heating treatment, by preliminarily heating the Cu-containing oxide superconductor film under low O2 partial pressure. CONSTITUTION:An oxide superconductor substance containing coppe...

PURPOSE:To decrease the carbon content in superconducting oxide powder, by carrying out the mixing and calcination of raw material powder in two specific stages in a process for calcining powdery raw materials composed of Tl and Cu oxides and Ca and Sr carbonates. CONSTITUTION:A compound oxide of Ca, Sr and Cu is produced by mixing powder of Ca carbonate, Sr carbonate and Cu oxide at prescribed ra...

PURPOSE:To provide a target suitable for forming a high-temperature superconductor thin film, by using an oxide containing Tl, Cu, Ca and Ba as a main component. CONSTITUTION:The main component of the present target is composed of an oxide containing at least Tl Cu, Ca and Ba. A good superconducting characteristic can be easily attained by using the above target having a Tl content lower than that...

PURPOSE:To perform sintering process at a relatively low temperature within a short time and to obtain a homogeneous superconducting material having high purity, by uniformly dissolving, dispersing or suspending one or more metal alkoxides of Bi, Sr, Ca and Cu in a solvent, removing the solvent from the solution, etc., and calcining the residue. CONSTITUTION:One or more kinds of metal alkoxides, m...

PURPOSE:To obtain the title form of desired shape, processed stably, with great critical current density, by irradiation on the mixed powder of oxides of elements constituting the aimed oxide superconductor or the form produced from said powder. CONSTITUTION:A powder mixture of oxides and/or carbonates of the respective elements constituting a ceramic-based oxide superconducting material of the fo...

PURPOSE:To obtain the title sintered form with great critical current density, by preliminarily sintering powder of respective oxides of rare earth element, alkaline earth element and copper with repeated temperature rise and drop over a specified temperature range. CONSTITUTION:High-temperature superconducting ceramic raw material powder having oxygen-defect-type laminar perovskite structure, mad...

PURPOSE:To obtain the title superconductor of improved Jc without deteriorating Tc, by forming a mixture comprising Re2Ba1Cu1O5 columnar crystal powder, BaCuO2-forming powder and CuO-forming powder so that said columnar crystal powder is unidirectionally aligned followed by calcination in an oxidative atmosphere. CONSTITUTION:Mixed powder comprising Re2Ba1Cu1O5 columnar crystal power (Re is rare e...

PURPOSE:To obtain the title form by reducing an oxide mixture containing three elements i.e. rare earth one, Ba and Cu in the atom ratio in the final superconductor, enveloping the reduced product with a malleable metal skin and carrying out malleablization together with said skin followed by calcination under an oxidative atmosphere to ensure continuous phase to be retained even in the maleabliza...

PURPOSE:To contrive improvement in mechanical strength and moistureproofness, by filling a resin having a higher thermal expansion coefficient than that of a superconductor in cavity parts of the superconductor. CONSTITUTION:A resin, having a higher thermal expansion coefficient than that of a superconductor, preferably a low viscosity and surface tension before curing and low curing temperature a...

PURPOSE:To obtain a superconductor abundant in flexibility and facilitate the machining such as cutting by uniformly dispersing the powder of a superconducting material in an ordinary conducting material, making the ordinary conducting material between the powder superconductive by the proximity effect of the powder, and making the whole structure body superconductive. CONSTITUTION:A conducting ma...

PURPOSE:To prevent the occurrence of defects such as cracks on a superconductor layer by electrodepositing the oxide superconducting powder on the surface of a substrate by electrophoresis electrodeposition to form a delicate electrodeposition layer then heat-treating it. CONSTITUTION:This is an oxide superconducting material provided with an A-B-Cu-O oxide superconductor, where A indicates one or...

Compounds of the general formula wherein n is 1 or 2 and, when n is 1, R<1> and R<2> are hydrogen, alkoxy or halogen, or, when n is 2, R<1> is hydrogen, alkoxy or halogen and R<2> is hydrogen; R<3>, R<4>, R<5> and R<6> are hydrogen or alkyl; R<7> is hydrogen, methyl or ethyl; R<8> and R<9> are hydrogen, alkyl or halogen, and R10 is -(CH=CR<19>)m, in which m is zero or 1 and R<11> is...

The reinforcement is obtained by means of a series of operations, namely: a) heating the base material; b) spraying a resin filled with glass or similar fibres onto one of the faces of the material which has been coated beforehand with an adhesive of the primer type; c) powdering the said face with rock powder of a uniform and defined particle size distribution; d) vibrating or pressing the produ...

There is described a process for protecting marble, stone, tiles, cement, and similar materials utilized in the building industry from the action of atmospheric agents and pollutants, which process comprises applying a perfluoropolyether having perfluoroalkyl end groups onto the surface of the article, said perfluoropolyether being in the form of an aqueous microemulsion.