Abstract: A pair of toothed wheels that mesh with each other includes a plateau portion. The surface of the plateau portion is a plateau-structure surface formed on each tooth face of each of the pair of the toothed wheels, with peak portions of convexities, out of a plurality of concavities and the convexities provided on the each tooth face, being flat. A reduced valley depth Rvk of the plateau portion of one of the pair of the toothed wheels as defined in JISB0671-2 is greater than the reduced valley depth Rvk of the plateau portion of the other of the pair of the toothed wheels. The area occupied by the concavities in the plateau portion of the one of the toothed wheels is larger than the area occupied by the concavities in the plateau portion of the other toothed wheel.

Abstract: According to one embodiment, a method of separating and recovering metals whereby a mixture containing at least a first metal and a second metal, the second metal having a higher standard electrode potential than that of the first metal, is connected to an anode in a molten salt, and the first metal and the second metal are precipitated on a cathode in the molten salt by electrolysis, the method of separating and recovering metals comprising: a detection step of detecting a concentration change in each of a first metal ion and a second metal ion in the molten salt by a concentration change detection unit; a first electrolysis step of electrolyzing the first metal; a first recovery step of recovering a precipitated substance according to a detection in which a concentration decrease of the first metal ion, which is predefined in the concentration change detection unit, is detected in the detection step; a second electrolysis step of electrolyzing the second metal; and a second recovery step of recovering a pre

Abstract: A solid oxide fuel cell scatters MgO over a grain boundary of an LSGM which is a solid electrolyte layer. Ni components that diffuse from a fuel electrode formed on the other side of an LDC from the LSGM are trapped by the scattered MgO particles and are suppressed from diffusing towards an air electrode in the electrolyte layer.

Abstract: In a fuel cell unit 16 that constitutes a fuel cell module 2 of an SOFC device 1, a collector cap 86a is connected to an inner electrode layer 90 via a seal material 96 as an Ag seal portion. A glass coating 30 (dense body) is filled up between the inner electrode layer 90 and an electrolyte layer 94 and the collector cap 86a to cover an upper end surface 96a of the seal material 96. As such, the fuel cell unit 16 includes the seal material 96 constituting as an Ag seal portion that separates a fuel gas from an oxidant gas, and a glass coating 30 at least partially formed to over at least either the fuel gas side surface of the seal material 96 or an the oxidant gas side surface of the seal material 96.

Abstract: A radio IC-mounted article communicates in a microwave band or an ultrahigh frequency band, and is provided with: a substrate on which an IC chip and an antenna electrically connected to the IC chip are mounted; a first booster antenna electromagnetically coupled to the antenna; a second booster antenna electromagnetically coupled to the first booster antenna; and an article on which the substrate, the first booster antenna, and the second booster antenna are mounted.

Abstract: A slip ring device (5) includes ring members (10a-10c) that rotate along with an input shaft, and brushes that contact the ring members (10a-10c). The ring members (10a-10c) have surfaces (11a-11c) that contact the brushes, and a plurality of dimples are formed upon these surfaces (11a-11c).

Abstract: A corium processing method includes a dissolution step of feeding the corium into a first molten salt and dissolving uranium oxide and plutonium oxide contained in an oxide solid from the corium; a nuclear fuel recovery step of recovering the uranium oxide and the plutonium oxide from the first molten salt; a metal recovery step of feeding the corium into a second molten salt and separating and recovering metal Fe and metal Zr by molten salt electrolysis; and a solidification step of solidifying and recovering residues of the corium.

Abstract: To obtain a circulation-type blasting device which enables stable processing for a long period of time even in a case that an elastic abrasive of which abrasive grains are attached to a surface of an elastic core are used. A circulation-type blasting device is provided with a device for recycling an elastic abrasive for recycling all or a part of elastic abrasive used in a cyclic way, and the device for recycling the elastic abrasive is provided with a mixing unit for mixing recovered abrasives recovered from an abrasive recovery unit and abrasive grains introduced from an abrasive grain supplying unit in a gas flow by introducing the abrasive grains and the recovered abrasive in the gas flow to generate a solid-gas biphase flow, and a combining unit composed of at least one bent space to which the solid-gas biphase flow is introduced.

Abstract: In a slip ring system (20) that includes: a slip ring (21) that is provided on a first rotating shaft (12) rotating about an axis (Ax); and a brush (22) that is provided in a case (11) and is pressed against the slip ring (21) and that transfers electricity between the slip ring (21) and the brush (22), a housing room (29) that is provided in the case (11) and houses the slip ring (21) and the brush (22) is provided, and a fluorinated liquid (FL) is filled in the housing room (29).

Abstract: According to one embodiment, a method of separating and recovering metals whereby a mixture containing at least a first metal and a second metal, the second metal having a higher standard electrode potential than that of the first metal, is connected to an anode in a molten salt, and the first metal and the second metal are precipitated on a cathode in the molten salt by electrolysis, the method of separating and recovering metals comprising: a detection step of detecting a concentration change in each of a first metal ion and a second metal ion in the molten salt by a concentration change detection unit; a first electrolysis step of electrolyzing the first metal; a first recovery step of recovering a precipitated substance according to a detection in which a concentration decrease of the first metal ion, which is predefined in the concentration change detection unit, is detected in the detection step; a second electrolysis step of electrolyzing the second metal; and a second recovery step of recovering a pre

Abstract: According to one embodiment, a process for producing rare metals includes the steps of: recovering a first-residue solution through a primary target metal extracted by leaching a mineral resource; extracting a perrhenic acid ion contained in the first-residue solution with at least one of an anion exchange resin and a first-organic solvent; back extracting the perrhenic acid ion contained in the anion exchange resin or the first-organic solvent to a first-eluant; and electrolyzing the back extracted first-eluant to collect a rhenium at a cathode.

Abstract: A pair of toothed wheels that mesh with each other includes a plateau portion. The surface of the plateau portion is a plateau-structure surface formed on each tooth face of each of the pair of the toothed wheels, with peak portions of convexities, out of a plurality of concavities and the convexities provided on the each tooth face, being flat. A reduced valley depth Rvk of the plateau portion of one of the pair of the toothed wheels as defined in JISB0671-2 is greater than the reduced valley depth Rvk of the plateau portion of the other of the pair of the toothed wheels. The area occupied by the concavities in the plateau portion of the one of the toothed wheels is larger than the area occupied by the concavities in the plateau portion of the other toothed wheel.

Abstract: In a fuel cell unit 16 that constitutes a fuel cell module 2 of an SOFC device 1, a collector cap 86a is connected to an inner electrode layer 90 via a seal material 96 as an Ag seal portion. A glass coating 30 (dense body) is filled up between the inner electrode layer 90 and an electrolyte layer 94 and the collector cap 86a to cover an upper end surface 96a of the seal material 96. As such, the fuel cell unit 16 includes the seal material 96 constituting as an Ag seal portion that separates a fuel gas from an oxidant gas, and a glass coating 30 at least partially formed to over at least either the fuel gas side surface of the seal material 96 or an the oxidant gas side surface of the seal material 96.

Abstract: Disclosed is a durable solid oxide fuel cell that is less likely to have a problem of a conventional solid oxide fuel cell that an air electrode containing a peroviskite oxide, when exposed to a reducing atmosphere, is separated at the stop of operation, especially shutdown. The solid oxide fuel cell includes an air electrode that is obtained by firing a compact containing a perovskite oxide and sulfur element. The content of the sulfur element in the air electrode as fresh after firing or before the start of power generation is in the range of 50 ppm to 3,000 ppm. The separation of the air electrode is effectively suppressed at the shutdown operation.

Abstract: A solid oxide fuel cell scatters MgO over a grain boundary of an LSGM which is a solid electrolyte layer. Ni components that diffuse from a fuel electrode formed on the other side of an LDC from the LSGM are trapped by the scattered MgO particles and are suppressed from diffusing towards an air electrode in the electrolyte layer.

Abstract: According to one embodiment, a process for producing rare metals includes the steps of: recovering a first-residue solution through a primary target metal extracted by leaching a mineral resource; extracting a perrhenic acid ion contained in the first-residue solution with at least one of an anion exchange resin and a first-organic solvent; back extracting the perrhenic acid ion contained in the anion exchange resin or the first-organic solvent to a first-eluant; and electrolyzing the back extracted first-eluant to collect a rhenium at a cathode.

Abstract: A positioning structure for a blind cover which is arranged between a guide rail and an outer roof panel of a vehicle in a sunshade device for the vehicle, the blind cover including: a plate shaped shielding portion which is arranged between the guide rail and the outer roof panel and a supporting portion which is inserted into an installation groove formed in the guide rail, wherein the supporting portion includes a engagement portion which is flexible in a groove width direction of the installation groove, and the engagement portion is fit into an engaged portion which is an opening formed in the installation groove to position the blind cover with respect to the guide rail.

Abstract: A positioning structure for a blind cover which is arranged between a guide rail and an outer roof panel of a vehicle in a sunshade device for the vehicle, the blind cover including: a plate shaped shielding portion which is arranged between the guide rail and the outer roof panel and a supporting portion which is inserted into an installation groove formed in the guide rail, wherein the supporting portion includes a engagement portion which is flexible in a groove width direction of the installation groove, and the engagement portion is fit into an engaged portion which is an opening formed in the installation groove to position the blind cover with respect to the guide rail.

Abstract: An object of the present invention is to provide a molding and a method for producing the same; a catalyst for the production of an unsaturated aldehyde and an unsaturated carboxylic acid, and a method for producing the same; and a catalyst for the production of methacrylic acid, and a method for producing the same. The molding of the present invention shows a shape including a plurality of columnar portions disposed with a predetermined gap; and bridge portions which are provided at both ends in longitudinal directions of two adjacent columnar portions and join adjacent columnar portions each other; and including through holes surrounded by a plurality of columnar portions in the longitudinal directions of the columnar portions, and openings formed on a peripheral surface by a gap between the plurality of adjacent columnar portions.

Abstract: A conductive polymer gel contains water, as a main component, a conductive conjugated polymer, and a surfactant and/or an alcohol, and also it may contain an electrolyte. The conductive conjugated polymer may further be doped with a dopant. The conductive polymer gel is obtained by adding a surfactant and/or an alcohol to a conductive conjugated polymer colloidal dispersion and/or a conductive conjugated polymer solution and leaving the mixture to stand, thereby to gelatinize the mixture.