PURPOSE:To retard a deterioration in performance of a battery by constantly applying pressure to a plate group to favorably retain ion conductivity between positive and negative plates. CONSTITUTION:A plate group comprising a positive plate, a negative plate, and a separator is put into a low density polyethylene bag. These plate groups are fixed with two layer film of high density polyethylene an...

PURPOSE: To improve the reliability in a hole detection signal by arranging a first laser scanning device near a first modification roller and a second laser scanning device near a second modification roller. CONSTITUTION: A first laser scanning device 12 and a photoelectric light reception assembly 11 are arranged near a modification roller 19. The device 12 projects scanning light beams 24 onto ...

An epoxy resin-polyammonium salt emulsion is based on a liquid epoxy resin, a latent curing agent, an emulsifier, and water. The emulsion is used in epoxy resin-cement mortars, in alkaline curing cement mixtures, and in adhesive compositions based on hydraulically setting alkaline cement binders.

Bitumen granules which contain 0.5 to 6 % by weight of a powdering and separating agent such as, for example, synthetic silica or carbon black, is produced by atomising hot liquid bitumen in a known spray mixer and simultaneously introducing the powdering and separating agent via the cold air stream into the spray mixer.

PURPOSE:To increase the critical current density (Jc) and decrease its magnetic field dependency by allowing Ag to dispersely exist in an oxide superconductor in the shape of filaments. CONSTITUTION:Ag 0.3-20vol.% is allowed to dispersely exist in an oxide superconductor 1 in a metal sheath 3 in the shape of filaments of 0.01-0.1mumphi. When such Ag filaments 2 are dispersed in an oxide supercondu...

PURPOSE:To obtain a desired oxide superconductor thin film without applying high-temperature processing to a substrate by depositing the oxide superconductor thin film on the substrate while a gate valve is opened and applying the oxygen plasma processing of the thin film while the gate valve is closed. CONSTITUTION:A depositing container connected with a gate valve 3 between a deposition source s...

PURPOSE:To mass-produce an oxide superconducting wire with excellent superconductive characteristic by performing heating and cooling processes when forming the oxide superconducting wire in a liquid generating oxygen. CONSTITUTION:Heating and cooling processes during the formation of an oxide superconducting wire are performed in a liquid generating O2. O2 is fed into a superconductor between the...

PURPOSE:To productively form a superconductor wire with good quality by placing a core wire in the mixed atmosphere of superconductor raw material gas and either hydrogen gas, oxygen gas or carbon dioxide and allowing this mixed gas to react on the surface of the core wire to form an oxide superconductor. CONSTITUTION:A core wire is placed in the mixed atmosphere of superconductor raw material gas...

PURPOSE:To efficiently form a thin film by flame-coating an oxide superconductor on a substrate via a masking plate with a cutout section to form the thin film of the oxide superconductor. CONSTITUTION:When a melted oxide superconductor 2 is sprayed from a flame coating gun 1 for flame-coating plasma to a masking plate 3, for example, part of the sprayed superconductor 2 passes a cutout section 4 ...

PURPOSE:To obtain a superconducting wire with sufficient mechanical strength and high superconductive characteristic by sticking a raw material solution synthesizing a compound superconductor to a reinforcing material such as a tape, stack-winding it on a core, evaporating an organic solvent, removing the core, and applying heat treatment in the oxygen atmosphere. CONSTITUTION:A solution 4 obtaine...

PURPOSE:To sharply improve the critical current density with the simple method by using a silver sheath provided with the plated layer of a low-melting point metal on the inner face. CONSTITUTION:A silver sheath 1 provided with the plated layer 3 of a low- melting point metal on the inner face is used to synthesize a compound superconductor by the sheath method. The plated layer 3 made of the low-...

PURPOSE:To improve the superconductivity and mechanical strength without using a metal at all by inserting coarse sheets formed with carbon fibers or quartz fibers abundant in heat resistance into a wire. CONSTITUTION:Powder raw materials 3 capable of synthesizing an oxide compound superconductor and coarse sheets 2 formed with carbon fibers or quartz fibers are laminated in turn into multiple lay...

PURPOSE:To improve the superconductive characteristic by burying a raw material and silver oxide in a silver base material and heat-treating it in the oxygen atmosphere to synthesize a compound superconductor. CONSTITUTION:A silver pipe 1 concurrently serving as a base material and a sheath and a silver pipe 2 concentrically arranged in this pipe 1 are provided, silver oxide 3 is filled in the pip...

PURPOSE:To improve the critical current density with the simple method by filling a powder raw material with a small grain size on the outside and filling that with a large grain size on the inside when filling the powder raw material in a pipe. CONSTITUTION:When a powder raw material 2 capable of synthesizing an oxide compound superconductor is to be filled in a silver pipe 1, the powder raw mate...

PURPOSE:To shorten the heat treatment time and obtain high critical current density by filling an oxide superconductor in a tape-shaped hollow body formed with an oxygen-permeable metal and applied with irregularity processing. CONSTITUTION:Oxide superconductor powder 2 is filled in a metal tube 1 made of an oxygen-permeable metal such as silver or silver alloy, both ends are sealed by a material ...

PURPOSE:To obtain an oxide superconducting wire with high critical current density by depositing the specific quantity of oxide superconductor powder on an oxidation-resistant and heat-resistant tape substrate, heating and baking it, then heat-treating it in the oxygen atmosphere. CONSTITUTION:Oxide superconductor powder 3 is deposited on an oxidation- resistant and heat-resistant tape substrate 1...

PURPOSE:To obtain an oxide superconducting thin film with the vertically oriented C-axis and large critical current density by forming a ternary simultaneous deposition film using the specific oxide as a deposition source on a substrate, heat-treating it in the oxygen atmosphere to obtain the first layer of the oxide superconducting thin film, then providing the second layer likewise on this first...

PURPOSE:To implement the suppression of generation of Joule heat in a lead itself and the suppression of the intrusion of the heat through the lead itself at the same time, by filling the inside with carbon fiber or quartz fiber as a reinforcing material, and forming an oxide superconductive lead in a pipe shape. CONSTITUTION:An oxide superconductive lead 1 is formed in a pipe shape. A raw materia...