Abstract: A cemented carbide includes a hard phase and a binder phase, wherein the hard phase has first hard phase grains each composed of tungsten carbide, second hard phase grains including a core portion and a rim portion, a composition of the core portion is represented by M1x1W1-x1C1-y1Ny1, a composition of the rim portion is represented by M2x2W1-x2C1-y2Ny2, each of the M1 and M2 is at least one metal element selected from a group consisting of a group 4 element, a group 5 element in a periodic table, chromium and molybdenum, and the binder phase includes at least one iron group element selected from a group consisting of iron, cobalt and nickel, and a 50% cumulative number grain size of the second hard phase grains is 0.01 ?m or more and 1.0 ?m or less.

Abstract: A core piece that is circularly arranged to construct a stator core of an axial gap type rotary electric machine includes: a first member in a column form extending in an axial direction of the stator core; a second member in a plate form disposed on a first end side of the axial direction in the first member; and a third member in a plate form disposed on a second end side of the axial direction in the first member, the first member has a peripheral surface connecting with the second member and the third member, the second member has a protruding portion projecting outwardly from the peripheral surface of the first member, the third member has a protruding portion projecting outwardly from the peripheral surface of the first member, and the first member, the second member, and the third member are configured by an integrally molded green compact.

Abstract: An information of a network to which a new function unit has been added is easily acquired. A relay device installed in a vehicle includes: a detection unit configured to detect a new function unit being a function unit that is newly added to a network including an existing function unit being one or a plurality of function units; a relay unit configured to relay a frame between the function units; and an acquisition unit configured to acquire, from the frame, relayed by the relay unit, between the new function unit detected by the detection unit and the existing function unit, function unit information that includes information regarding a network configuration of a layer of a lower order than an application layer, the function unit information being of at least one of the new function unit and the existing function unit.

Abstract: A method of making a sintered body includes a step of preparing raw material powder containing powder of inorganic material, a step of producing a powder compact having a high-density portion with a relative density of 93% or more and a low-density portion with a relative density of less than 93% by compressing the raw material powder injected into a mold, a step of producing a machined compacted part by machining at least the high-density portion of the powder compact, and a step of sintering the machined compacted part to make a sintered body, wherein a perimeter shape of a cavity constituted by the mold in a cross-section perpendicular to an axial direction of the mold is such than a maximum stress applied to an inner perimeter surface of the mold during a compacting process using the mold is less than or equal to 2.

Abstract: Provided is a joined body including a piezoelectric substrate and a polycrystalline spinel substrate provided on one main surface of the piezoelectric substrate, wherein the polycrystalline spinel substrate has a porosity of 0.005% or more and 0.6% or less.

Abstract: Provided is an in-vehicle device configured to transmit, in an in-vehicle network, messages to which identification information is added. The messages include a periodic message and an event message. The in-vehicle device includes: a creation unit configured to create the periodic message and the event message; and a transmission control unit configured to transmit the periodic message and the event message created by the creation unit. In transmitting the event message, after a waiting time elapses from a transmission timing of a previously transmitted message among the messages to which the identification information of the same value as that of the event message to be transmitted is added, the transmission control unit transmits the event message to which the identification information of the same value is added. The waiting time is longer than half a transmission cycle of the periodic message and is shorter than the transmission cycle.

Abstract: An external information acquiring device includes a record information acquiring circuit configured to acquire record information indicating a delivery record of a parcel by a vehicle, an external information acquiring circuit configured to acquire, based on the acquired record information, external information on an event based on which there is a possibility of occurrence of a temporal difference between the delivery record and a delivery plan of the parcel by the vehicle, and a storage control circuit configured to write the acquired external information in a storage device.

Abstract: A redox flow battery system includes: a plurality of banks; a power conversion device provided in each of the plurality of banks; and a controller that controls a state of charge of each of the plurality of banks by controlling the power conversion device. In the redox flow battery system, each of the plurality of banks includes a battery cell that performs charging and discharging by a supply of an electrolytic solution, the plurality of banks include: a plurality of first banks controlled to be in a first state of charge; and one or more second banks excluding the first banks, and the controller controls a state of charge of the second bank to be a second state of charge different from the first state of charge.

Abstract: A synthetic single crystal diamond that includes nitrogen atoms at a concentration of 50 ppm or more and 1200 ppm or less in terms of number of atoms, wherein an infrared absorption spectrum of the synthetic single crystal diamond has an absorption signal within a wavenumber range of 1460 cm?1 or more and 1470 cm?1 or less.

Abstract: An MCF or the like according to the present disclosure ensures sufficient manufacturing tolerance, is excellent in mass productivity, and is also capable of suppressing degradation of splice loss. The MCF includes four cores that extend along a central axis, and a common cladding. On a cross-section, the common cladding has a circular outer periphery, the four cores are arranged at positions to be line symmetric with respect to a straight line that intersects with a central axis and that intersects with none of the four cores, and a core arrangement defined by the four cores has rotational symmetry once with central axis being a center of rotation.

Abstract: A detection apparatus according to the present disclosure includes a signal output unit configured to output a measurement signal that includes a component having a first frequency to a transmission line, a signal measurement unit configured to measure a response signal, from the transmission line, to the measurement signal output from the signal output unit and a processing unit configured to generate a difference signal that is a difference between the response signal measured by the signal measurement unit and a reference signal that is based on the measurement signal, calculate an index value that indicates a strength of a correlation between the reference signal and the difference signal, and detect an abnormality in the transmission line on the basis of the calculated index value.

Abstract: A calculation method is executed by a computer to execute a process. The process includes acquiring a condition for calculating a first matrix of a reactance circuit having N ports Pi to which a high frequency signal is input or output, wherein i is an integer of 1 to N, and N is an integer of 2 or more, and calculating, based on the condition, the first matrix including an admittance matrix or an impedance matrix, wherein j is an integer of 1 to N, ?ij is ??/2 or +?/2, and an element ?ij of the admittance matrix or the impedance matrix is represented by ?ij=?ij×exp (?ij).

Abstract: It is an object to provide a substrate for epitaxial growth having a metal base material laminated with a copper layer. On a surface of the copper layer, an area occupied by crystal grains having crystal orientations other than a (200) plane present within 3 ?m from the surface can be less than 1.5%. A surface roughness along a same direction as a rolling direction per unit length of 60 ?m when measured by AFM can be Ra1<10 nm.

Abstract: A metal porous body having a frame of a three-dimensional network structure, the frame being formed of a plurality of bone members connected to each other, the plurality of bone members defining openings in a surface of the metal porous body, the plurality of bone members defining voids inside the metal porous body, the openings and the voids communicating with each other, a porosity being from 1 volume % to 55 volume %, a density being from 3 g/cm3 to 10 g/cm3.

Abstract: A core electric wire for a multicore cable. The core electric wire includes a conductor composed of a plurality of elemental wires twisted together and an insulating layer coating a circumference of the conductor. The insulating layer includes a first component and a second component, the first component being high density polyethylene, the second component being at least one selected from the group consisting of a copolymer of ethylene and an ?-olefin having a carbonyl group, and very-low density polyethylene. The first component has a content ratio of 10% by mass or more and 60% by mass or less to a total content of the polyethylene-based resin, and the second component has a content ratio of 20% by mass or more and 80% by mass or less to the total content of the polyethylene-based resin.

Abstract: A silicon carbide substrate in accordance with the present disclosure includes a main surface. The silicon carbide substrate has a maximum diameter of 150 mm or more. In the main surface, a total area of a region in which a concentration of each of sodium, aluminum, potassium, calcium, titanium, iron, copper, and zinc is less than 5×1010 atoms/cm2 is more than or equal to 95% of an area of the main surface.

Abstract: A sintered material includes a first material and a second material, wherein the first material is partially stabilized ZrO2 in which 1 to 90 volume % of Al2O3 is dispersed in crystal grain boundaries or crystal grains, the Al2O3 is a grain having a grain size of less than or equal to 1 ?m, and the second material is at least one compound selected from a group consisting of a carbide, a nitride, and a carbonitride, and 5 to 95 volume % of the second material is included in the sintered material.

Abstract: A network of a new configuration is flexibly constructed while maintaining a stable operation in the network. A management device includes: a detection unit that detects a new function unit as a function unit to be newly added to a network including one or a plurality of on-vehicle function units; a generation unit that acquires function unit information of the new function unit detected by the detection unit and function unit information of the on-vehicle function unit, and generates, based on the respective pieces of function unit information, configuration information of a new network that is the network in which the new function unit is further included; and an acquisition unit that acquires, from a database in a storage device, feasibility information indicating feasibility of the new network and corresponding to the configuration information generated by the generation unit.

Abstract: An electrically insulated cable comprising: a core electric wire; a tape member covering the core electric wire; and a covering layer covering the tape member, wherein: the core electric wire includes a plurality of insulated electric wires; the insulated electric wires each include a conductor and an insulating layer covering the conductor; the tape member is a film; and the tape member has a breaking elongation of 50% or less.

Abstract: Forming an oxide superconducting film includes a step of laminating a superconducting layer of an oxide superconducting material. The step of laminating the superconducting layer includes a pyrolyzed film forming step, a polycrystallization step, and a sintering heat treatment step. The pyrolyzed film forming step includes a coating film forming step and a pyrolyzing heat treatment step. In the coating film forming step, a solution of a metal organic compound is applied to form a coating film. In the pyrolyzing heat treatment step, the coating film is heat-treated to thermally decompose an organic component of the metal organic compound so as to form a pyrolyzed film. In the polycrystallization step, the pyrolyzed film is heat-treated to form a polycrystal layer containing polycrystals of the oxide superconducting material. In the sintering heat treatment step, the polycrystal layer is heat-treated to orient the polycrystals so as to form the superconducting layer.