Abstract: According to an embodiment, a device sends, to an access point device, a network access authentication request issued with respect to a first network. An authentication server device includes a first device-authentication processing unit that, in response to the network access authentication request, performs an authentication operation based on first-type authentication information. The access point device includes a transfer processing unit and a second device-authentication processing unit. When second-type authentication information is not included in the network access authentication request, the transfer processing unit transfers the network access authentication request to the authentication server device.

Abstract: Systems and methods for scheduling the execution of disk access commands in a split-actuator hard disk drive are provided. In some embodiments, while a first actuator of the split actuator is in the process of performing a first disk access command (a victim operation), a second disk access command (an aggressor operation) is selected for and executed by a second actuator of the split actuator. The aggressor operation is selected from a queue of disk access commands for the second actuator, and is selected based on being the disk access command in the queue that can be initiated sooner than any other disk access command in the queue without disturbing the victim operation.

Abstract: A light detector according to an embodiment includes a light receiver and a controller. The light receiver includes sensors and pixels. The sensors are arranged two-dimensionally on a substrate. The controller is configured to set a light-receiving region in which the sensors are selectively turned on in the light receiver. The controller sets first and second light-receiving regions. The first and second light-receiving regions include first and second pixel, respectively. The second light-receiving region is arranged away from an optical axis of laser light received by the light receiver. The controller, after turning on each of the first pixel and the second pixel, is further configured to turn off the second pixel in a state in which the first pixel is turned on.

Abstract: A semiconductor device according to an embodiment includes first to third semiconductor regions, a structure body, a gate electrode, and a high resistance part. The structure body includes an insulating part and a conductive part. The insulating part is arranged with the third semiconductor region, the second semiconductor region, and a portion of the first semiconductor region. The conductive part is located in the insulating part. The conductive part includes a portion facing the first semiconductor region. The high resistance part is located in the first semiconductor region and has a higher electrical resistance than the first semiconductor region. A plurality of the structure bodies includes first to third structure bodies. The second and third structure bodies are next to the first structure body. The high resistance part overlaps a circle center of an imaginary circle passing through centers of the first to third structure bodies.

Abstract: A membrane electrode assembly of an embodiment includes: a first electrode including a first diffusion layer, and a first catalyst layer; a second electrode for generating hydrogen, the second electrode including a second diffusion layer, a second catalyst layer including a porous catalyst layer including a porous precious metal or sheet-like precious metal, and a hydrophobic moisture management layer provided between the second catalyst layer and the second diffusion layer, the hydrophobic moisture management layer including carbon particles and carbon fibers, a weight of the carbon fibers being between 1 wt % and 20 wt % of a weight of the second diffusion layer; and an electrolyte membrane provided between the first electrode and the second electrode, the first catalyst layer being provided between the first diffusion layer and the electrolyte membrane, and the second catalyst layer being provided between the second diffusion layer and the electrolyte membrane.

Abstract: An electrode according to an embodiment includes a support, and a catalyst layer including a sheet layer and a gap layer stacked, alternately on the support. The catalyst layer includes noble oxide and non-noble oxide. 4 [wt %] or more and 8 [wt %] or less of metal elements included in the catalyst layer is non-noble metal. An average thickness of the gap layer is 6 [nm] or more and 50 [nm] or less.

Abstract: A power generation facility in an embodiment includes: a boiler; a high-pressure turbine to which steam generated in the boiler is introduced; a low-pressure turbine provided downstream of the high-pressure turbine; and a condenser that condenses steam discharged from the low-pressure turbine. The power generation facility further includes: a feed pipe that leads feedwater in the condenser to the boiler; a heat storage and steam generation device that has a heat storage function that uses surplus energy generated in an own system to store heat, and a steam generation function that has part of feedwater led by the feed pipe introduced thereinto and turns the feedwater into steam by the stored heat; and a steam supply pipe that supplies steam generated in the heat storage and steam generation device to an own system.

Abstract: An electrode for an electrochemical reaction device, includes: a substrate; and a stack provided on the substrate. The stack includes catalyst layers and gap layers, and each catalyst layer and each gap layer are alternately stacked. One of the gap layers has a first region and a second region, the first region having a first thickness, the second region having a first gap, and the first gap having a second thickness, and the second thickness is 3 times or more and 10 times or less the first thickness.

Abstract: An electrolytic device includes: an electrolysis cell including: an anode; a cathode; a first flow path plate facing on the anode, the first flow path plate having a first recess defining an anode flow path through which a first liquid flows; a second flow path plate facing on the cathode, the second flow path plate having a second recess defining a cathode flow path through which a first gas flows; and a separator provided between the anode and the cathode. The second flow path plate has an uneven surface on an inner surface of the second recess. An arithmetic mean roughness of the uneven surface is 0.03 ?m or more and 50 ?m or less.

Abstract: A molecular sensor of an embodiment includes a sensitive film including a plurality of metal organic framework particles, and a detector configured to be capable of measuring a change in physical quantity due to adsorption of a target molecule to the sensitive film. Pores are present between the plurality of metal organic framework particles, and the pores are any of mesopores of 2 nm or more and 50 nm or less, micropores smaller than the mesopores, and macropores larger than the mesopores. A sum of areas of the micropores is defined as Smi, a sum of areas of the mesopores is defined as Sme, a sum of areas of the macropores is defined as Sma, and an area of an entire image analysis area is defined as Stotal, in an image analysis area by two-dimensional image analysis on a cross section of the sensitive film in a thickness direction. Pore distribution satisfies 0.35?Sme/(Smi+Sme+Sma), 0.01?Smi+Sme+Sma)/Stotal?0.5.

Abstract: A membrane electrode assembly according to an embodiment includes a first diffusion layer; a second diffusion layer; an electrolyte membrane provided between the first diffusion layer and the second diffusion layer; a first catalyst layer provided between the first diffusion layer and the electrolyte membrane; and a second catalyst layer provided between the second diffusion layer and the electrolyte membrane, wherein the first diffusion layer includes a first surface facing the first catalyst layer, and the first surface includes a chamfered portion, and a second surface provided on an opposing side of the first surface, and the second surface includes a protrusion protruding from the side of the first surface toward the side of the second surface.

Abstract: In general, according to one embodiment, a disk device includes a magnetic disk, a magnetic head, a suspension, a ramp, a housing, and a screw. The suspension holds the magnetic head and moves to an unload position. The ramp includes an attachment tab with a through hole. The ramp holds the suspension at the unload position. The housing has a support surface with a screw hole to support the attachment tab. The screw includes a screw head, a screw shaft, and a first contact surface. The screw shaft extends from the screw head in a first direction and is fitted into the screw hole through the through hole. The first contact surface is located on the screw head, tapers in the first direction, and contacts the attachment tab. The screw holds the attachment tab in-between the support surface and the first contact surface.

Abstract: According to one embodiment, a thermoelectric material are provided. The thermoelectric material includes a sintered body formed of p-type and n-type thermoelectric materials for the thermoelectric conversion element. The thermoelectric materials have a MgAgAs type crystal structure as a main phase. An area ratio of internal defects of the thermoelectric materials for one thermoelectric conversion element is 10% or less in terms of a total area ratio of defective portions in a scanning surface according to ultrasonic flaw detection in a thickness direction of the thermoelectric material. No defect having a length of 800 ?m or more is present at any vertex of chips of the thermoelectric materials.

Abstract: According to one embodiment, a method of quantifying a target nucleic acid containing a first sequence in a sample is provided. The method includes preparing a substrate on which a plurality of detection regions are arranged, forming a reaction field by placing, on the substrate, a reaction liquid containing a sample, a primer set, and an amplification enzyme, maintaining the reaction field in an isothermal amplification condition, detecting a detection signal for each of the detection regions, determining, for each of the plurality of detection regions, whether positive or negative and detecting or quantifying the target nucleic acid based on the number of positive and/or a rise time of each of the positive detection signal.

Abstract: According to one embodiment, a disk device includes magnetic disks, a first head gimbal assembly, a first damper, and a carriage. The first head gimbal assembly includes a first magnetic head, a first load beam, and a first base plate. The first load beam supports the first magnetic head. The first base plate is connected to the first load beam. The first damper includes a first viscoelastic material, and a first member attached to the first viscoelastic material. The carriage rotates about a rotation axis to move the first magnetic head along a recording surface of a first magnetic disk. The carriage includes an arm, and a first flat surface of the arm. The first flat surface faces the recording surface of the first magnetic disk. The first base plate and the first viscoelastic material are fixed to the first flat surface.

Abstract: A data generation device according to an embodiment includes one or more processors. The one or more processors classify each of a plurality of users having attributes similar to one another into any one of a plurality of clusters based on user information representing the respective attributes of the users. The one or more processors estimate whether a search result is useful to each of the users based on a similarity between information included in the search result and information representing attributes of the clusters, and output learning data of a ranking model for determining an order of a plurality of the search results, the learning data being data including the search results and estimation information representing whether the search results are useful.

Abstract: According to one embodiment, a wireless base station includes a transmitter and a receiver. The transmitter transmits a control signal and one or more operation signals to the second wireless communication terminal. The control signal instructs to transmit a signal that requests terminal-to-terminal communication between a first wireless communication terminal and the second wireless communication terminal. The operation signals are used for operating at least a part of the first wireless communication terminal. The receiver is capable of receiving at least one of a response signal or a data signal transmitted from the first wireless communication terminal to the second wireless communication terminal after the operation signals are transmitted.

Abstract: A semiconductor device according to the embodiment includes: a transistor region including a first trench, a first gate electrode provided in the first trench, a second trench, a second gate electrode provided in the second trench, a third trench, and a third gate electrode provided in the third trench; a diode region including a fifth trench and a conductive layer provided in the fifth trench; a boundary region including a fourth trench and a fourth gate electrode provided in the fourth trench, the boundary region being provided between the transistor region and the diode region; a first electrode pad electrically connected to the first gate electrode; a second electrode pad electrically connected to the second gate electrode; and a third electrode pad electrically connected to the third gate electrode and the fourth gate electrode.

Abstract: According to one embodiment, an electrode includes a current collector and an active material-containing layer. The active material-containing layer includes an active material, a conductive agent, and cellulose fiber. The conductive agent includes carbon fiber. The active material-containing layer includes a first surface brought into contact with the current collector, and a second surface. 2000/mm2 or less of first agglomerates are present on the second surface. Each of the first agglomerates includes at least one of the carbon fiber or the cellulose fiber, and does not include the active material. Each of the first agglomerates has a longest diameter of 5 ?m or more and a shortest diameter of 1 ?m or more.

Abstract: According to one embodiment, an information processing device includes processing circuitry configured to calculate a first index based on a plurality of pieces of first prediction data on an amount of electric power generated by a first electric power generation resource and a penalty imposed when an amount of electric power supplied to an electric power system is insufficient or excessive for a first amount of electric power which corresponds to a planned value of electric power generation amount, the first index being an index related to a yield obtained in a case that the first amount of electric power is tentatively bid in a first market; and determine a second amount of electric power to be bid in the first market based on the first index.