Abstract: A control apparatus that is connected to a plurality of antennas and performs communication of user data with a terminal apparatus using at least one of the plurality of antennas, specifies a reception state of a random access preamble transmitted from the terminal apparatus for establishing connection with the control apparatus, at each of the plurality of antennas, selects an antenna to be used when performing communication of user data with the terminal apparatus, from the plurality of antennas based on the respective reception states at the plurality of antennas, and performs control such that communication of user data is performed with the terminal apparatus using the selected antenna.

Abstract: A control apparatus may wirelessly communicate with a terminal apparatus. When a random access preamble is received from the terminal apparatus, if the random access preamble is not based on a setting notified by the control apparatus, the control apparatus may scramble communication with the terminal apparatus after the random access preamble is received, using a scrambling sequence that is based on second identification information different from first identification information corresponding to the control apparatus.

Abstract: A method for producing a rare earth magnet that can improve magnetic properties by both increasing a density of a sintered body and suppressing strain of a magnetic phase. The method includes preparing a magnetic powder containing Sm, Fe, and N, preparing a modifier powder containing at least one of metallic zinc or a zinc alloy, mixing the magnetic powder and the modifier powder to obtain a mixed powder, performing compression molding on the mixed powder in a magnetic field to obtain a magnetic field molded body, and performing pressure sintering on the magnetic field molded body to obtain a sintered body. In the pressure sintering, the magnetic field molded body is pressed and sintered at a pressure of 500 MPa or more and 900 MPa or less and at a temperature of 360° C. or more and 390° C. or less for 1 hour or more and 24 hours or less.

Abstract: A soft magnetic material and a method for producing the same. The soft magnetic material is: Fe100-x-y-z-wBxNiySizMw (In the formula, M is one or more inevitable elements selected from Nb, Mo, Ta, W, Co, and Sn, and x, y, z, and w are in atomic percent satisfying 12?x?17, 1?y?3, 0<z?1, 0<w?0.1). Soft magnetic material includes ?-Fe phase which contains crystals whose average particle size is 30 nm or less. The average particle size of crystals is average value of projected area circular equivalent diameters of crystals in a transmission electron microscope image of soft magnetic material thinned by focused ion beam. The ratio of peak area of crystalline plane to overall peak area as measured by XRD of ?-Fe phase on surface of soft magnetic material is equal to or greater than 0.10.

Abstract: In an axial gap motor, a rotor includes a plurality of rotor cores fixed in a circumferential direction of a rotor base, and a stator includes a plurality of stator cores fixed in a circumferential direction of a stator base, and coils wound around the stator cores. End faces of each of the rotor cores and end faces of the corresponding stator core are opposed to each other while being exposed to each other.

Abstract: Provided is a motor capable of increasing a torque while suppressing an increase in the physical size of the motor. A motor includes a rotor. The rotor includes pairs of magnet slots evenly spaced in a circumferential direction, each pair of magnet slots being arranged in a V-shape, pairs of main magnets housed in the pairs of magnet slots, and a plurality of auxiliary magnets including an outer magnet housed in an outer end in the circumferential direction in each of the pairs of magnet slots. The motor satisfies at least one of a first condition that the main magnets are sintered magnets and the auxiliary magnets are bonded magnets, or a second condition that magnetization directions of the main magnet and the outer magnet housed in the same magnet slot intersect outside in the radial direction so as to define an acute angle.

Abstract: A rare-earth magnet and a method of manufacturing the same are provided. The method includes: preparing Sm—Fe—N magnetic powder; preparing reforming material powder containing metallic zinc; mixing the magnetic powder and the reforming material powder to obtain mixed powder; subjecting the mixed powder to compression molding in a magnetic field to obtain a magnetic-field molded body; subjecting the magnetic-field molded body to pressure sintering to obtain a sintered body; and subjecting the sintered body to heat treatment. A content proportion of the metallic zinc in the reforming material powder is 10 to 30% by mass with respect to the mixed powder. When a temperature and time in conditions for the heat treatment are defined as x° C. and y hours, respectively, the formulas y??0.32x+136 and 350?x?410 are met.

Abstract: An endoscope system includes: an endoscope including an elongated portion in which an imaging optical system is arranged; an arm supporting the endoscope; and a unit capable of changing a field-of-view direction of the endoscope, wherein each library data stored in a storage includes a parameter related to relative position and attitude between the imaging optical system and an observation object, the parameter includes a first parameter or a second parameter, the first parameter determined by a sum of an inclination of a longitudinal axis of the elongated portion and an amount of curvature of the changing unit on base coordinates, the first parameter related to an orientation of the imaging optical system on the base coordinates, the second parameter indicating an orientation of the imaging optical system as viewed from a coordinate of the observation object, and the unit or the arm based on the library data is controlled.

Abstract: A Sm—Fe—N-based rare earth magnet more resistant to demagnetization than ever before in an environment where an external magnetic field is applied, particularly at high temperatures, and a production method thereof are provided. The present disclosure presents a production method of a rare earth magnet, including preparing a coated magnetic powder, compression-molding the coated magnetic powder in a magnetic field to obtain a magnetic-field molded body, pressure-sintering the magnetic-field molded body to obtain a sintered body, and heat-treating the sintered body, and a rare earth magnet obtained by the method. D50 of the magnetic powder in the coated magnetic powder is 1.50 ?m or more and 3.00 ?m or less, the content ratio of the zinc component in the coated magnetic powder is 3 mass % or more and 15 mass % or less, and the heat treatment temperature is 350° C. or more and 410° C. or less.

Abstract: An object of the present invention is to provide a polishing composition and a polishing method, with which SiN can be selectively polished at a high polishing removal rate as compared with SiO2. The polishing composition contains colloidal silica in which an organic acid is fixed on a surface and a pH adjusting agent, in which an average aspect ratio of the colloidal silica in which the organic acid is fixed on the surface is 1.38 or more.

Abstract: An endoscope system includes an endoscope to be inserted into a subject to acquire an image, a robot arm that is configured to change the position and the posture of the endoscope, and a controller including a processor. The controller is configured to: acquire treatment instrument information concerning the position or the movement of a treatment instrument to be inserted into the subject, determine whether the treatment instrument has been removed based on the treatment instrument information, in response to determining that the treatment instrument has been removed, execute an overlooking mode, and in the overlooking mode, control at least one of the endoscope or the robot arm to thereby automatically zoom out the image while maintaining, in the image, a specific point in the subject.

Abstract: To provide an artificial tissue model that can be more advantageously used in surgical technique training compared to previous artificial tissues, as well as a method of fabricating the same. An artificial organ model for surgical technique training comprising two or more fibrous layers 2, 3 layered and bonded to each other so as to be peelable by a surgical technique performed by a surgical technique trainee; the layered and bonded two or more fibrous layers 2, 3 as a whole being saturated with an electroconductive liquid or gel; and two adjacent fibrous layers out of the two or more fibrous layers being formed from different materials or substances or in different colors so as to be recognizable as different membranes by the surgical technique trainee.

Abstract: To provide a branched propylene-based polymer that is excellent in ductility when melting, while retaining melt tension necessary for molding. A branched propylene-based polymer having the following properties (1), (2) and (3): property (1): a multi-branching index (MBI) is 0.45 or more and 1.00 or less; property (2): a strain hardening index at a strain rate (d?/dt) of 1.0/see (SHI@1s?1) is 0.70 or more and 3.00 or less; and property (3): a maximum drawing rate (MaxDraw) at 230° C.

Abstract: A learning support device includes a processor. The processor is configured to: form a foreground image containing at least one treatment instrument by placing an image of the at least one treatment instrument within an image region; form a superimposed image by superimposing the foreground image on a background image; and form a training image by adjusting at least one of hue, saturation, or brightness of the superimposed image.

Abstract: A method performed by a processing apparatus of a cell-free communication system that includes a plurality of access points (APs) is provided. The method includes: transmitting, to a wireless device via a master AP among one or more APs included in a cluster associated with the wireless device, measurement information for the wireless device to determine a measurement target AP for which the wireless device measures a channel state; and receiving, as a response to the measurement information, channel state information indicating the channel state to the measurement target AP, via the master AP.

Abstract: The method includes: executing, when first APs that are changed from a cluster AP to a non-cluster AP due to a change of a cluster occurs, first processing on processing target APs including the first APs and a second AP that is the non-cluster AP satisfying a predetermined condition in relation to the first APs, and thereby determining, as an operation mode of the processing target APs. The first processing includes: selecting one first processing target AP from the processing target APs, and determining a downstream-only mode as the operation mode of the one first processing target AP, and determining a upstream-only mode or a sleep mode as the operation mode of a second processing target AP that is different from the one first processing target AP and is among the processing target APs.

Abstract: A method of producing a SmFeN-based rare earth magnet having excellent magnetic properties is provided. The present disclosure relates to a method of producing a SmFeN-based rare earth magnet in which a powder having a large particle size and a powder having a small particle size are used as SmFeN-based anisotropic magnetic powders, and the powders are separately dry treated at temperatures appropriate for the respective particle sizes when the powders are surface treated using phosphoric acid source to perform phosphoric acid coating.

Abstract: An Sm—Fe—N-based magnetic material according to the present disclosure includes a main phase having a predetermined crystal structure. The main phase has a composition represented by (Sm(1-x-y-z)LaxCeyR1z)2(Fe(1-p-q-s)CopNiqMs)17Nh (where, R1 is predetermined rare earth elements and the like, M is predetermined elements and the like, and 0.04?x+y?0.50, 0?z?0.10, 0?p+q?0.10, 0?s?0.10, and 2.9?h?3.1 are satisfied). A crystal volume of the main phase is 0.833 nm3 to 0.840 nm3. A manufacturing method of the Sm—Fe—N-based magnetic material according to the present disclosure includes nitriding a magnetic material precursor including a crystal phase having a composition represented by (Sm(1-x-y-z)LaxCeyR1z)2(Fe(1-p-q-s)CopNiqMs)17.

Abstract: A silica sol which does not gelate, has a high purity, and contains a high concentration of silica particles is provided. A silica sol containing silica particles and water, wherein a product of an average primary particle size of the silica particles and an average circularity of the silica particles is 15.0 or more and 31.2 or less, a concentration of the silica particles is 20 mass % or more, a total organic carbon amount per silica particle is less than 10 mass ppm, when the concentration of the silica particles is 20 mass %, a viscosity at 25° C. is 300 mPa·s or less, and a concentration of a metal impurity is less than 1 mass ppm.

Abstract: The present invention provides a solid dosage form having good stability, suspensibility in water and fluidity by preparing a solid dosage form containing a compound represented by formula (I) or a pharmaceutically acceptable salt thereof, a stabilizer, a sugar alcohol and/or a sugar, a water-soluble polymer and an inorganic substance.