Abstract: A liquid discharge apparatus includes a head including a piezoelectric element and a nozzle, the head configured to drive the piezoelectric element to discharge a liquid from the nozzle, a drive waveform generator configured to generate a drive waveform to be applied to the piezoelectric element of the head, the drive waveform including a non-discharge pulse configured to drive the piezoelectric element to a degree at which the liquid is not discharged from the nozzle, and a discharge pulse applied to the piezoelectric element after the non-discharge pulse, the discharge pulse configured to drive the piezoelectric element to discharge the liquid from the nozzle, a switch between the head and the drive waveform generator, the switch configured to be switched to an ON-state in which the drive waveform passes the switch or to an OFF-state in which the drive waveform does not pass the switch.

Abstract: Disclosed herein is a display apparatus. The display apparatus includes: a liquid crystal panel; and a backlight unit configured to emit light to the liquid crystal panel. The backlight unit includes: a substrate extending along a first direction; a light emitting diode provided on the substrate; a refractive cover provided on the light emitting diode to refract light emitted from the light emitting diode; and a lens provided on the substrate and the refractive cover, the lens comprising a bottom surface having a first length in the first direction that is less than a second length in a second direction perpendicular to the first direction.

Abstract: A pneumatic tire is provided. An average thickness of an undertread rubber in a center region is greater than that in a shoulder regions, a loss tangent tan ? at 60° C. of the cap tread rubber is higher than that of the undertread rubber, and the ratio CAI/UAI of a cross-sectional area CAI of the cap tread rubber to a cross-sectional area UAI of the undertread rubber is not less than 0.15 and not greater than 0.95 in the center region.

Abstract: A button-type secondary battery according to the present disclosure includes: an electrode assembly; a lower can configured to accommodate the electrode assembly; an upper can coupled to an opening of the lower can; a gasket configured to insulate a coupling portion between the lower can and the upper can; and a center part provided at a core portion of the electrode assembly, wherein the center part includes: a center pin inserted into the core portion of the electrode assembly; and an upper plate provided with an upper cover surface provided on an upper end of the center pin to protect an upper portion of the electrode assembly, wherein an edge of the upper cover surface is provided to be supported on an inner wall of the lower can.

Abstract: A tire includes a first middle land portion having circumferentially extending first and second longitudinal edges. The first middle land portion is provided with middle lateral grooves. At least one of the middle lateral grooves includes a first groove portion extending in the tire axial direction from the first longitudinal edge, and a second groove portion extending in the tire axial direction from the second longitudinal edge. The first groove portion and the second groove portion are offset in the tire circumferential direction to form a pair of circumferential groove edges between a pair of groove edges of the first groove portion and a pair of groove edges of the second groove portion. A maximum groove depth of the first groove portion is different from a maximum groove depth of the second groove portion.

Abstract: Provided are an electrolyte functional additive for a lithium ion battery, a lithium ion battery electrolyte and the lithium ion battery. Calculated in parts by weight, the functional additive includes 0.1-0.5 parts of lithium tetrafluoroborate, 0.3-1.5 parts of lithium bisoxalate borate, and 0.2-2 parts of vinylene carbonate. The functional additive guarantees that a dense and stable SEI film is formed on the surface of a negative electrode, and high-temperature storage performance and high-temperature cycle performance of the battery are improved.

Abstract: An embodiment of the present disclosure provides a microfluidic chip, including: a first substrate; wherein the first substrate includes a first base, a first electrode layer on the first base; the first electrode layer includes a plurality of first electrodes at intervals along a first direction, wherein a cross-sectional shape of the first electrode parallel to the first base is a centrosymmetric shape, and the cross-sectional shape includes: a first boundary and a second boundary opposite to each other in the first direction; a shape of the first boundary is a centrosymmetric curve, a distance between two end points of the first boundary in a second direction perpendicular to the first direction is less than a length of the first boundary; the second boundary has a same shape and length as the first boundary, and the first and second boundaries are parallel to each other in the first direction.

Abstract: The purpose of the present disclosure is to provide a non-aqueous electrolyte secondary battery capable of suppressing an internal short circuit of a battery due to an external impact in both a fully charged state and a non-fully charged state. The non-aqueous electrolyte secondary battery according to one embodiment of the present disclosure is characterized by: comprising a wound electrode body in which a positive electrode and a negative electrode are wound thereon via a separator, and a battery case that houses the electrode body; the positive electrode having a positive electrode current collector and a positive electrode mixture layer formed on at least one surface of the positive electrode current collector; and the separator having a normal part and a plastically deformed part having a higher puncture strength than the normal part.

Abstract: The present invention provides a magnetic bead purification system, including: a housing; a liquid path treatment system provided inside the housing, the liquid path treatment system being connectable to a reagent barrel and a waste liquid barrel; a sample addition needle group connected to the liquid path treatment system, the sample addition needle group being movable within the housing and connected to the liquid path treatment system, so as to receive a reagent from the liquid path treatment system or to discharge a waste liquid to the liquid path treatment system; a purification magnetic separation system, including a magnetic element, the purification magnetic separation system being controllable to apply a lateral magnetic force to a purification treatment position inside the housing or stop the application of the magnetic force by the magnetic element; and a purification station system movable between a purification treatment position inside the housing and a loading position outside the housing, the

Abstract: A battery pack including a frame including a thermistor seat and a thermistor accommodated in the thermistor seat; at least one battery cell on the frame and connected to the thermistor; and a protective circuit module, the protection circuit module including a projection between a portion of the thermistor and the at least one battery cell.

Abstract: In a holder attached state in which a holder upper part 11 is attached to a brush rotation shaft 2, the lower surface of the holder upper part 11 and the inner peripheral surface of a holder lower part 18 define a brush accommodating space 23, and the inner peripheral edge of a holder bottom plate part 19 defines a circular holder opening 24 having a smaller diameter than the inner diameter of the holder lower part 18. A held part 31 of a brush body 30 is in a circular column shape incapable of penetrating through the holder opening 24, and is accommodated and held in the brush accommodating space 23. A cleaning part 32 of the brush body 30 is in a circular column shape smaller in diameter than the held part 31 and capable of penetrating through the holder opening 24, and penetrates through the holder opening 24 and projects downward.

Abstract: A positioning method includes obtaining an estimated extrinsic parameter of a camera and an intrinsic parameter of the camera, where the estimated extrinsic parameter of the camera is obtained based on world coordinates of a plurality of estimation points in a shooting region of the camera, image coordinates of the plurality of estimation points, and the intrinsic parameter of the camera; obtaining image coordinates of a target in an image shot by the camera; and obtaining world coordinates of the target based on the estimated extrinsic parameter of the camera, the intrinsic parameter of the camera, and the image coordinates of the target.

Abstract: An angle adjustment mechanism includes an angle adjustment block including first opposing side faces inclined relative to the direction along the rotation axis of the turret; first and second adjustment blocks having inclined faces that are brought into surface contact with respective first opposing side faces, and movable in a direction along the rotation axis; a depression formed in a tool holder, and accommodates the angle adjustment block with the first and second adjustment blocks; first and second adjusters that move the first and second adjustment blocks in a direction along the rotation axis of the turret; and a first positioning member conducting positioning between the turret and the tool holder, and a second positioning member conducting positioning between the turret and the angle adjustment block. This configuration provides a mechanism for attaching a tool holder to a turret which can easily conduct highly precise angle adjustment.

Abstract: An electronic apparatus is disclosed.

Abstract: An apparatus and method for cleaning an oxide film using a direct current reverse polarity are provided. The apparatus for cleaning an oxide film formed on a workpiece may include a power supply configured to apply direct current power and to include a positive electrode terminal and a negative electrode terminal, the workpiece configured to be electrically connected to the negative electrode terminal to act as a negative electrode to which a current is applied, and a torch having a positive electrode, which is spaced apart from the oxide film by a predetermined distance and is electrically connected to the positive electrode terminal, the torch being installed to be movable relative to the workpiece. The oxide film formed on the workpiece may be removed by applying a reverse polarity direct current between the workpiece, serving as the negative electrode, and the positive electrode to generate an arc.

Abstract: An embodiment of the present disclosure discloses a training method for a multi-object tracking model and a multi-object tracking method. The multi-object tracking method comprises: constructing an object graph according to objects to be tracked in a current frame, wherein the vertexes of the object graph correspond to the objects to be tracked, and edge features of the edges between the two vertexes comprise an attribute relationship between the two vertexes; performing graph matching on the object graph and a tracklet graph to calculate matching scores between the object to be tracked and the tracked tracklet in the tracklet graph, wherein the vertexes of the tracklet graph correspond to tracked tracklets, and the edge features of the edges between the two vertexes comprise an attribute relationship between the two vertexes; and determining the matched tracklet of the object to be tracked according to the matching scores.

Abstract: The present invention discloses a Fe—Al intermetallic compound filter element and a preparation method thereof, which relates to the field of powder metallurgy and filtration technology. In view of the drawback in the prior art that using a fiber felt as a filtration layer reduces stability and reliability of a filter, the present invention provides an Fe—Al intermetallic compound filter element, which comprises: at least two filter-element parts, and a rebar connecting the at least two filter-element parts transversely by means of welding, wherein, the filter-element parts each comprises at least two segments of Fe—Al intermetallic compound filter-element powder tube and a connector connecting the at least two segments of Fe—Al intermetallic compound filter-element powder tube end-to-end by means of welding; and wherein, the at least two segments of Fe—Al intermetallic compound filter-element powder tube each comprises a substrate framework and a surface filtration membrane.

Abstract: An image processing apparatus, including a processor configured to execute instructions stored in a memory to: obtain characteristic information of a first image, divide the characteristic information into a plurality of groups, input each group into a respective layer of a plurality of layers included in a convolutional neural network and perform a convolution operation using one or more kernels to obtain a plurality of pieces of output information, generate an attention map including weight information corresponding to each pixel included in the first image, based on the plurality of pieces of output information, generate a spatially variant kernel including a kernel corresponding to the each pixel, based on the attention map and a spatial kernel including weight information according to a position relationship between the each pixel and a neighboring pixel, and generate a second image by applying the spatially variant kernel to the first image.

Abstract: A program recorded on a computer-readable recording medium causes a processor of a game apparatus to function as a game controller that executes a video game and generates video information indicative of a video of the video game; and an acquirer that acquires message information that is output from a terminal apparatus configured to display a distributed video that is based on the video information, the message information including a message related to at least one of the distributed video or the video game. The game controller incorporates the message included in the message information into the video of the video game, based on progress status information indicative of a progress status of the video game.

Abstract: A method for acquiring data relating to an object including arranging a multiplicity of cameras to view a scene, at least one reference object within the scene being viewable by at least a plurality of the multiplicity of cameras, each of the plurality of cameras acquiring at least one image of the reference object viewable thereby, finding a point of intersection of light rays illuminating each of the plurality of cameras and correlating a pixel location at which the reference object appears within each the at least one image to the light rays illuminating each of the plurality of cameras and intersecting with the region of intersection, irrespective of a three-dimensional location of the reference object within the scene.