Abstract: A multistage centrifugal compressor capable of maintaining and improving efficiency while having a static flow path with a reduced outer diameter is provided. Each of return flow paths is provided with a plurality of return vanes disposed in a circular cascade form centered on a center line of a rotational shaft. Each of the return vanes is disposed as a leading vane (8A) and a trailing vane (8B). The trailing vanes are offset toward the pressure surface side of the leading vanes in a circumferential direction and provided so as to guide a flow from the pressure surface side of the leading vanes to negative pressure surfaces of the trailing vanes.

Abstract: A liquid discharge apparatus includes a liquid discharger, a liquid storage, a stirrer, a plate, and a magnetic force applicator. The liquid discharger discharges a liquid. The liquid storage stores the liquid. The stirrer is rotatable in a stirring region in the liquid storage to stir the liquid in the liquid storage. The stirrer has a magnetism. The plate is secured to the liquid storage to define the stirring region. The magnetic force applicator applies a magnetic force to the stirrer from an outside of the liquid storage to rotate the stirrer.

Abstract: A fiber sensing system according to the present disclosure includes a submarine cable, and a plurality of relaying apparatuses being connected in series to one another via the submarine cable. The relaying apparatus includes a DAS interrogator being connected to a relaying apparatus at a subsequent stage via a sensing optical fiber in the submarine cable, and a terminator being connected to a relaying apparatus at a preceding stage via the sensing optical fiber. The DAS interrogator outputs probe light to the sensing optical fiber. The terminator terminates probe light being output from the DAS interrogator in the relaying apparatus at the preceding stage to the sensing optical fiber. The DAS interrogator receives backscattered light of probe light from the sensing optical fiber, and acquires the DAS data from the received backscattered light.

Abstract: The purpose of the present invention is to make it possible to objectively evaluate the details of an actual surgery. In the present invention, a surgery details evaluation system 1 evaluates the details of a surgery carried out by a surgeon, the surgery details evaluation system 1 comprising: an acquisition means 11 for acquiring a surgical image, which is a captured image of the body of a patient undergoing surgery carried out by a surgeon; an analysis unit 12 for analyzing body information indicating the state of the body and/or instrument information indicating the state of an instrument being operated by the surgeon in the surgical image; and an evaluation unit 14 for evaluating the details of the surgery being carried out by the surgeon, the evaluation being performed on the basis of the body information and/or the instrument information analyzed by the analysis unit 12.

Abstract: A semiconductor substrate includes a support substrate, a mask pattern located above the support substrate and including a mask portion, a seed portion locally located in a layer above the support substrate in a plan view, and a semiconductor part including a GaN-based semiconductor and located above the mask pattern to be in contact with the seed portion and the mask portion.

Abstract: The present invention provides a method for manufacturing diamond, comprising electrolytically reducing carbon dioxide into diamond to obtain diamond in an electrolytic reduction apparatus having an anode, a cathode, and an electrolytic solution containing carbon dioxide, wherein the electrolytic solution comprises an ionic liquid.

Abstract: A liquid discharge apparatus includes a liquid discharge head, a cap, a waste liquid channel, a wiper, a cleaner, and a cleaning liquid drainage. The liquid discharge head has a nozzle, from which a liquid is discharged, on a nozzle face. The cap caps the nozzle to suck a waste liquid from the nozzle. The waste liquid channel is connected to the cap and has a waste liquid outlet from which the waste liquid is drained. The wiper wipes the nozzle face. The cleaner applies a cleaning liquid to the wiper. The cleaning liquid drainage drains the cleaning liquid applied to the wiper to the waste liquid outlet.

Abstract: A vibration test device (100) is a vibration test device for testing vibration of a pipeline (10) attached to a structure. The vibration test device includes a plurality of support members (101a, 101b) that are joined to a wall surface with a predetermined gap therebetween and support the pipeline, a first fixing member (102a) that fastens the pipeline to a first support member at a position where one end of the pipeline protrudes from the first support member, a second fixing member (102b) that fastens the pipeline to a second support member at a position where another end of the pipeline protrudes from the second support member, a vibration-applying portion (103) that applies vibration force to one of the support members, a detection unit (104) that detects vibration of the pipeline, and a measurement unit (105) that measures a vibration characteristic of the pipeline.

Abstract: Provided are a signal processing device, a signal processing method, a signal processing program, an imaging apparatus, and a lens apparatus capable of accurately removing an offset from an output signal of a blurring detection sensor. The signal processing device comprises the blurring detection sensor and a processor. The processor is configured to execute processing of extracting a first feature amount relating to the offset from the output signal of the blurring detection sensor, processing of integrating the output signal, processing of extracting a second feature amount relating to the offset from a value obtained by integrating the output signal, processing of calculating the offset on the basis of the first feature amount and the second feature amount, and processing of subtracting the calculated offset from the output signal.

Abstract: A vibration reproduction device (100) is a vibration reproduction device that reproduces vibration of a pipeline (10) attached to a structure, and includes: a plurality of support members (101a, 101b) for supporting the pipeline; a fixing members (102a, 102b) for fastening the pipeline to the support members; support bases (103a, 103b) that are joined to the support members and to which a vibration force is applied; and viscoelastic members (106a, 106b) provided between the support bases and the ground.

Abstract: In a vehicle control device for an autonomous driving vehicle that autonomously travels based on an operation command, a gesture image of a person around the autonomous driving vehicle is acquired, and a stored reference gesture image is collated with the acquired gesture image. At this time, when it is discriminated that the gesture of the person around the autonomous driving vehicle is a gesture requesting the autonomous driving vehicle to stop, it is determined whether a disaster has occurred. When it is determined that the disaster has occurred, the autonomous driving vehicle is caused to stop around the person requesting the autonomous driving vehicle to stop.

Abstract: A U-bolt (10) according to the present disclosure includes a pair of shaft parts (11) aligned in a first direction and extending in a second direction orthogonal to the first direction; a bridge part (12) which connects one ends of each of the pair of shaft parts (11); and a first pair of strain gauges (14) which are stuck to at least one shaft part (11) of the pair of shaft parts (11) to face each other with the shaft part (11) sandwiched in the first direction, and which output a signal corresponding to bending of the shaft part (11) in the second direction.

Abstract: A computer program causing a computer to execute processing includes acquiring an operative field image obtained by imaging an operative field of scopic surgery, and recognizing a target tissue portion included in the acquired operative field image so as to be distinguished from a blood vessel tissue portion appearing on a surface of the target tissue portion by using a learning model trained to output information regarding a target tissue when the operative field image is input.

Abstract: A working control device comprises an operation lever for making a boom cylinder (36), an arm cylinder (37) and others work to drive a shovel apparatus (30), and a delivered oil amount control device (a controller (150)). A working oil supply source includes a first electric motor (M1) and a first hydraulic pump (P1). When the operation lever is subjected to a single operation, a number of the motor revolution based on the lever operation is set to control the first electric motor. When the number of motor revolution is less than a necessary minimum number of revolutions, the necessary minimum number is set to control the first electric motor (M1). When the operation lever is subjected to a composite operation, a total number of motor revolutions based on the lever operations is set. When the total number is less than a necessary minimum number of revolutions, the necessary minimum number is set to control the first electric motor (M1).

Abstract: Provided is an air leading type stratified scavenging two-stroke internal combustion engine including an air passage configured to allow supply of air to a scavenging passage configured to allow communication between a crank chamber and a combustion chamber, at least one sensor configured to detect an operating condition of an engine, and a fuel valve configured to control fuel supply to the air passage based on detection performed by the at least one sensor. The fuel supply to the air passage is controlled by the fuel valve at times other than start and idling of the engine or at needed times in addition to the start or the idling of the engine.

Abstract: A shock absorber and two packaging systems. The shock absorber is to he attached to an object to be packaged, and the shock absorber includes a first shock absorber including a first base structure having a frame shape and at least one first shock-absorbing rib disposed inside the first base structure, and a second shock absorber having a second base structure in a shape of a plate and at least one second shock-absorbing rib disposed on a plane of the second base structure. In the shock absorber, the first shock absorber and the second shock absorber are coupled to each other. One of the two packaging systems includes shock absorbers including the shock absorber, and two of the shock absorbers are used for each object to be packaged. In the other one of the two packaging systems, four of the shock absorbers are used for each object to be packaged.

Abstract: A communication system according an embodiment includes one or more hardware processors. The one or more hardware processors calculate indicators used to detect presence of abnormality caused by a situation in which a size of a message is larger than a maximum allowable size of a queue, the indicators being calculated based on gate control information including a plurality of entries each of which indicates gate states corresponding to a plurality of queues.

Abstract: An exterior component of a vehicle includes a substrate and a multilayer coating film covering a surface of the substrate, the multilayer coating film includes a first coating film closest to the substrate, a second coating film that is in contact with the first coating film and covers a part of the surface of the first coating film, and a third coating film that is transparent and covers the first coating film and the second coating film so as to be in contact with the second coating film and a portion of the first coating film that is not covered with the second coating film, and the third coating film has a refractive index of 1.5210 or more.

Abstract: Provided is an engine working apparatus capable of smoothly decelerating an engine. The engine working apparatus includes: an internal combustion engine including a piston reciprocally movable in a cylinder and a combustion chamber defined by the piston; an ignition plug configured to ignite air-fuel mixture in the combustion chamber; a detector configured to detect a rotation number of the internal combustion engine; and a controller configured to control an ignition timing of the ignition plug based on the detected rotation number, execute feedback control of determining the ignition timing based on a deviation between a target rotation number and the detected rotation number, and to execute the feedback control when the detected rotation number satisfies a predetermined deceleration condition.

Abstract: A print job management apparatus includes a processor, and a storage device configured to store data of an expected result of a print job. The processor is configured to: read the data of the expected result from the storage device; obtain data of an actual result printed and output in accordance with the print job; and based on a result of comparison between the data of the expected result and the data of the actual result, obtain a processing status of the print job.