Abstract: A rare earth sintered magnet includes a plurality of regions of a main phase each having an R2Fe14B crystal structure containing at least Nd as a rare earth element R and a grain boundary phase formed among the plurality of regions of the main phase. The grain boundary phase has Sm enriched portions in which Sm is enriched by Sm substitution in a crystalline NdO phase and heavy rare earth element RH enriched portions in which a heavy rare earth element RH is enriched at least on part of peripheries of the Sm enriched portions. This allows the heavy rare earth element RH to diffuse deeper into the rare earth sintered magnet while suppressing the deterioration of the magnetic properties.

Abstract: Provided is a joint structure interposed between a semiconductor element and a substrate, the joint structure including: a Sn phase; Cu alloy particles containing P in an amount of 1 mass % or more and less than 7 mass %; and Ag particles, wherein the Cu alloy particles are each coated with a Cu6Sn5 layer, wherein the Ag particles are each coated with a Ag3Sn layer, wherein the Cu alloy particles and the Ag particles are at least partially bonded to each other through a Cu10Sn3 phase, wherein a total of addition amounts of the Cu alloy particles and the Ag particles is 25 mass % or more and less than 65 mass % with respect to the joint structure, and wherein a mass ratio of the addition amount of the Ag particles to the addition amount of the Cu alloy particles is 0.2 or more and less than 1.2.

Abstract: Provided is a joint structure interposed between a semiconductor element and a substrate, the joint structure including: a Sn phase; Cu alloy particles containing P in an amount of 1 mass % or more and less than 7 mass %; and Ag particles, wherein the Cu alloy particles are each coated with a Cu6Sn5 layer, wherein the Ag particles are each coated with a Ag3Sn layer, wherein the Cu alloy particles and the Ag particles are at least partially bonded to each other through a Cu10Sn3 phase, wherein a total of addition amounts of the Cu alloy particles and the Ag particles is 25 mass % or more and less than 65 mass % with respect to the joint structure, and wherein a mass ratio of the addition amount of the Ag particles to the addition amount of the Cu alloy particles is 0.2 or more and less than 1.2.

Abstract: In a configuration of a method for preventing progression of corrosion in a steel pipe structure according to the present invention, two or more types of liquids 150 are injected, while being mixed, into a steel pipe that constitutes the steel pipe structure, from an opening at one of both ends of the steel pipe, and the inside of the steel pipe is filled with resin foam product (foam product 152) by foam expansion and hardening of the two or more types of liquids.

Abstract: A solid oxide fuel cell system includes a solid oxide fuel cell that produces electricity by using a hydrogen-containing gas and an oxidant gas, an exhaust-gas path via which an exhaust gas discharged from the solid oxide fuel cell flows, a circulation path via which a coolant circulates, a first heat exchanger that is disposed on the exhaust-gas path and the circulation path and enables heat exchange between the exhaust gas and the coolant, a second path, via which condensed water produced when the exhaust gas is cooled in the first heat exchanger flows, that branches from the exhaust-gas path and is connected to the circulation path, a second tank that stores reservoir water, and a second heat exchanger that is disposed in the second tank and on the circulation path and enables heat exchange between the reservoir water and the coolant.

Abstract: Provided are a fuel cell system capable of shortening the wait time of an observer who confirms set points of a system interconnection protective device before starting a system interconnection operation, and a method for operating the fuel cell system.

Abstract: An RRH includes an extracting unit, an urgent information processing unit, an inserting unit, and a transmitting unit. The extracting unit extracts a resource block, from among resource blocks included in a signal received from a terminal device, that is previously allocated for transmission of urgent information. When the urgent information is included in the resource block extracted by the extracting unit, the urgent information processing unit creates report information including the urgent information that is included in the resource block extracted by the extracting unit. The inserting unit inserts the report information including the urgent information created by the urgent information processing unit into the resource block that is previously allocated for a report of the urgent information.

Abstract: A base station device receives a signal for connection establishment between a terminal device and the base station device from the terminal device and performs a series of processes for the connection establishment. A reception unit receives the signal for the connection establishment transmitted from the terminal device. When predetermined information is stored in the signal for the connection establishment received by the reception unit, an emergency-information processing unit acquires the predetermined information. A transmission unit transmits a notification signal including the predetermined information acquired by the emergency-information processing unit to another terminal device other than the terminal device.

Abstract: A solid oxide fuel cell system includes a solid oxide fuel cell that produces electricity by using a hydrogen-containing gas and an oxidant gas, an exhaust-gas path via which an exhaust gas discharged from the solid oxide fuel cell flows, a circulation path via which a coolant circulates, a first heat exchanger that is disposed on the exhaust-gas path and the circulation path and enables heat exchange between the exhaust gas and the coolant, a second path, via which condensed water produced when the exhaust gas is cooled in the first heat exchanger flows, that branches from the exhaust-gas path and is connected to the circulation path, a second tank that stores reservoir water, and a second heat exchanger that is disposed in the second tank and on the circulation path and enables heat exchange between the reservoir water and the coolant.

Abstract: A hydrogen generator includes: a reformer configured to generate a hydrogen-containing gas by a reforming reaction using a material gas; a hydro-desulfurizer configured to remove a sulfur compound in the material gas; a material gas passage through which the material gas supplied to the reformer flows; a recycled gas passage connected between a first connection portion of a gas passage located downstream of the reformer and a second connection portion of the material gas passage located upstream of the hydro-desulfurizer; a first on-off valve disposed on the recycled gas passage; a second on-off valve disposed on the material gas passage between the second connection portion and the hydro-desulfurizer; and a controller configured to open the first on-off valve, after generation stop of the hydrogen-containing gas, to supply the material gas to the recycled gas passage, and to close the second on-off valve when the controller opens the first on-off valve.

Abstract: In a configuration of a method for preventing progression of corrosion in a steel pipe structure according to the present invention, two or more types of liquids 150 are injected, while being mixed, into a steel pipe that constitutes the steel pipe structure, from an opening at one of both ends of the steel pipe, and the inside of the steel pipe is filled with resin foam product (foam product 152) by foam expansion and hardening of the two or more types of liquids.

Abstract: A hydrogen generator includes: a reformer operative to generate a hydrogen-containing gas by using a raw material gas; a hydro-desulfurizer operative to remove a sulfur compound in the raw material gas; a recycle passage through which the hydrogen-containing gas is supplied to the raw material gas before the raw material gas flows into the hydro-desulfurizer; an ejector which is disposed on a raw material gas passage provided upstream of the hydro-desulfurizer and into which the hydrogen-containing gas flows from the recycle passage; and a heater operative to heat the ejector.

Abstract: A hydrogen generation apparatus includes: a reformer configured to generate a hydrogen-containing gas by using a raw material; a hydrodesulfurizer configured to remove a sulfur compound from the raw material; a recycle passage through which the hydrogen-containing gas is supplied to the hydrodesulfurizer; a condenser provided on the recycle passage or on a gas passage upstream from the recycle passage; a drain passage through which water condensed in the condenser is drained; a heating medium passage through which a heating medium that recovers heat from the condenser flows; a delivery device configured to cause the heating medium to flow through the heating medium passage; and a controller configured to cause the delivery device to operate when the hydrogen-containing gas is not flowing through the recycle passage at at least one of start-up and stopping of the hydrogen generation apparatus.

Abstract: A hydrogen generator comprises a reformer configured to generate a hydrogen-containing gas through a reforming reaction using a raw material; a hydrodesulfurization unit configured to remove a sulfur compound from the raw material; a recycle passage configured to flow therethrough the hydrogen-containing gas to be added to the raw material in a state before the raw material flows into the hydrodesulfurization unit, the recycle passage having a downward slope; and a water drain passage configured to discharge condensed water generated in the downward slope of the recycle passage.

Abstract: A communication system provides one or more services using a plurality of virtual networks provisioned in a network. A communication device belonging to at least one of the plurality of virtual networks is provided with service-ID associating information in which a service-ID identifying a service is associated with at least one virtual network identifier each identifying a virtual network that is included in the plurality of virtual networks and is to be used for providing the service. A base station transmits a service-ID association request to the communication device which then returns the stored service-ID associating information to the base station. Thereafter, the base station selects, from among the plurality of virtual networks, at least one virtual network that is to be used for providing a service identified by the service-ID, based on the service-ID associating information, and establishes a connection with the selected at least one virtual network.

Abstract: A network apparatus, wherein a bearer is set between the network apparatus and a gateway apparatus connects a radio access network and a core network, including: a tunneling processing unit that encapsulates user data in accordance with a tunneling protocol; a data combining unit that generates combined data in which a plurality of the encapsulated user data to be transmitted to the same the gateway apparatus are combined; a header generation unit that generates a header of the network protocol storing the bearer identifier of the bearer transmitting user data included in the combined data; and a transmission unit that transmits a packet of the combined data having the header added thereto to the gateway apparatus.

Abstract: A hydrogen generator includes: a reformer configured to generate a hydrogen-containing gas by using a raw material; a hydro-desulfurizer configured to remove a sulfur compound in the raw material; a recycle passage through which the hydrogen-containing gas is supplied to the raw material before the raw material flows into the hydro-desulfurizer; a booster configured to supply the raw material to the reformer; a raw material supply passage through which the raw material to be supplied to the reformer flows; and an ejector which is disposed on the raw material supply passage provided downstream of the booster and upstream of the hydro-desulfurizer and into which the hydrogen-containing gas flows from the recycle passage.

Abstract: A fuel cell system (301) of the present invention comprises a fuel cell (1); a water circulating path (9) through which water associated with an operation of the fuel cell (1) circulates; a water circulator (10) for circulating water in the water circulating path (9); a heater (14) for heating the water circulating path (9); a first abnormality detector (29, 30) for detecting a first abnormality which is an abnormality relating to leakage of water from the water circulating path (9); and a controller (16); the fuel cell system being configured to cause the water circulator (10) to perform a water circulating operation for circulating the water in the water circulating path (9) and cause the heater (14) to perform a heating operation for heating the water circulating path (9), to suppress freezing in the water circulating path, wherein the controller (16) is configured to inhibit the water circulating operation for suppressing freezing and not to inhibit the heating operation for suppressing freezing, in a cas

Abstract: A hydrogen generator includes: a reformer operative to generate a hydrogen-containing gas by using a raw material gas; a hydro-desulfurizer operative to remove a sulfur compound in the raw material gas; a recycle passage through which the hydrogen-containing gas is supplied to the raw material gas before the raw material gas flows into the hydro-desulfurizer; an ejector which is disposed on a raw material gas passage provided upstream of the hydro-desulfurizer and into which the hydrogen-containing gas flows from the recycle passage; and a heater operative to heat the ejector.

Abstract: A fuel cell system of the present invention comprises a fuel cell (101); a first heat medium path through which a first heat medium for cooling the fuel cell (101) flows; a first flow control device (107) configured to flow the first heat medium in the first heat medium path; an abnormality detector configured to detect an abnormality; and a controller (110) configured to control the first flow control device (107) such that the fuel cell (101) after shut-down of power generation is cooled with a higher rate in an abnormal shut-down process performed after the abnormality detector detects the abnormality, than in a normal shut-down process.