Abstract: Provided are a coding method, a decoding method, a communication node, and a storage medium. The method includes determining to-be-coded attribute data of attribute information of a point cloud; determining a coding order of a current point in the point cloud; coding to-be-coded attribute data of the current point according to the coding order; and continuing to determine a coding order of a next current point in the point cloud, and coding to-be-coded attribute data of the next current point until all points in the point cloud are coded to obtain coded attribute data.

Abstract: Wireless communications systems and methods related to communicating control information are provided. A method of wireless communication performed by a user equipment (UE) may include monitoring a first set of physical downlink control channel (PDCCH) candidate resources for a PDCCH communication from a network unit, receiving, from the network unit, a plurality of demodulation reference signals (DMRSs), and decoding, based on a metric associated with the plurality of demodulation reference signals (DMRSs) satisfying a threshold, the PDCCH communication.

Abstract: A display panel and a display device are provided. The display panel has a display area and a binding area. The display panel includes a color film substrate and an array substrate, wherein the color film substrate includes a near-field communication antenna, the near-field communication antenna includes a coil structure, and the coil structure is at least partially located in the display area; and the array substrate includes a first base substrate, a channel region and a non-channel region, wherein an orthographic projection of the coil structure on the first base substrate is located within an orthographic projection of the non-channel region on the first base substrate.

Abstract: A nucleic acid testing device and method are provided. A base plate that is turned during nucleic acid testing is included, wherein the base plate includes the following chambers: a sample chamber for adding and containing a nucleic acid sample solution, the nucleic acid sample solution is placed in the chamber, and an upper port of the sample chamber communicates with the outside atmosphere; a reaction chamber for nucleic acid amplification reaction and located below the sample chamber, a nucleic acid amplification reagent for nucleic acid amplification reaction is pre-placed in the chamber, and an upper end of the reaction chamber communicates with a bottom end of the sample chamber though a longitudinal liquid channel; a test strip chamber for lateral flow test strip testing, a nucleic acid test strip is pre-placed in the chamber, and the test strip chamber communicates with the reaction chamber through a bent channel.

Abstract: A semi-closed local low-vacuum laser welding device and welding method is provided. The semi-closed local low-vacuum laser welding device includes a local low-vacuum cabin, a dynamic sealing structure, a mechanical pump, and a laser welding mechanism. The local low-vacuum cabin includes a primary vacuum chamber, a secondary vacuum chamber and a tertiary vacuum chamber which are arranged in sequence, and a plate to be welded is arranged at a bottom of the primary vacuum chamber. The dynamic sealing structure is arranged at the bottom of the primary vacuum chamber, and the dynamic sealing structure is configured for connecting the primary vacuum chamber with the plate to be welded. The mechanical pump is in communication with the primary vacuum chamber and the secondary vacuum chamber. The laser welding mechanism is arranged corresponding to the local low-vacuum cabin, and is configured for welding the plate to be welded.

Abstract: Provided are a multiple-level interconnect structure having a scatterometry test layer and a manufacturing method thereof. The multiple level interconnect structure includes a patterned reflective layer, a bulk reflective layer and a patterned test layer. The patterned reflective layer is disposed on a substrate and includes a first reflective pattern and a second reflective pattern separated from each other. The bulk reflective layer is disposed on the patterned reflective layer. The patterned test layer is disposed on the bulk reflective layer.

Abstract: An emulsion plunger pump and a pump head assembly (100) thereof. The pump head assembly (100) includes a pump head body (101), a liquid suction valve assembly (102), a liquid discharge valve assembly (103), a spacer sleeve assembly (104), and an end cover (105); the pump head body (101) has a hollow chamber (101a); the liquid suction valve assembly (102), the spacer sleeve assembly (104), and the liquid discharge valve assembly (103) are sequentially installed in the hollow chamber (101a); the liquid suction valve assembly (102) includes a liquid suction valve seat (1021), a liquid suction valve core (1022), and a first reset spring (1023); the liquid suction valve core (1022) is slidably connected to the spacer sleeve assembly (104); the first reset spring (1023) is located between the spacer sleeve assembly (104) and the liquid suction valve core (1022); and the end cover (105) is detachably connected to one end of the pump head body (101).

Abstract: Provided is a liquid crystal handwriting board. The liquid crystal handwriting board includes: a liquid crystal panel, a photosensitive assembly, and a control assembly; wherein the liquid crystal panel includes a first substrate and a second substrate that are opposite; the photosensitive assembly includes a plurality of photosensitive elements; and the control assembly is electrically connected to the liquid crystal panel and the photosensitive assembly, and is configured to determine position information of a pixel region for erasure by detecting position information of target light irradiated to the liquid crystal panel by the photosensitive assembly and supply a pixel voltage to the plurality of pixel electrodes in the pixel region for erasure, such that a voltage difference is present between the plurality of pixel electrodes in the pixel region for erasure and the common electrode.

Abstract: A display panel includes a liquid crystal cell, a first polarizing assembly and a second polarizing assembly. The liquid crystal cell includes a first substrate and a second substrate disposed opposite to each other, and a liquid crystal layer disposed between the first substrate and the second substrate. The first polarizing assembly is disposed on a side of the first substrate further away from the liquid crystal layer and includes at least a first polarizing layer having a first transmission axis, and the first polarizing assembly is configured for generating polarized light whose polarization direction is parallel to the first transmission axis. The second polarizing assembly is located on a side of the second substrate further away from the liquid crystal layer and includes at least a transflective layer and a light absorbing layer.

Abstract: Novel compounds of the structural formula (I), and the pharmaceutically acceptable salts thereof, are inhibitors of Nav1.8 channel activity and may be useful in the treatment, prevention, management, amelioration, control and suppression of diseases mediated by Nav1.8 channel activity. The compounds of the present invention may be useful in the treatment, prevention or management of pain disorders, cough disorders, acute itch disorders, and chronic itch disorders.

Abstract: An impeller includes a hub having an axial direction as a rotation axis and extending from a first end to a second end, and including an end surface and a first wall. The end surface is positioned at the first end of the hub, one end of the first wall extends around an entire periphery of the end surface and radially outwardly extends at an angle toward the second end in the axial direction. A length of extension of the first wall is greater than 50% of a length of extension of the hub. The impeller further includes a plurality of blades, the proximal ends of which extend from the periphery of the hub in a radial direction. A predetermined range of angle is formed between the first wall and the axial direction, and the predetermined range of angle is between 3 degrees and 45 degrees.

Abstract: The present application provides a processing method of a metal composite structure including a first metal layer and a second metal layer stacked on the first metal layer. The processing method includes the steps of defining a first through hole in the first metal layer, and drilling in the first through hole toward the second metal layer to form a traction hole in the second metal layer. Then, hot melt drilling is performed on a surface of the second metal layer away from the first metal layer toward the first through hole, thereby causing the second metal layer to crack under a traction force of the traction hole to form a second through hole, and a portion of the second metal layer to be melted and squeezed to form a bushing which adheres to at least a portion of a sidewall of the first through hole.

Abstract: The present invention relates generally to the field of pharmaceutical formulations of antibodies against human programmed death receptor PD-1, or antigen binding fragments thereof. The formulations may further contain a histidine buffer, an inorganic salt, a sugar polyol, and a non-ionic surfactant. The pharmaceutical formulations of the present invention exhibit low viscosity and a substantial degree of antibody stability after being subjected to thermal and other physical stress. Also provided are methods of making and methods of using such antibody formulations.

Abstract: Disclosed are a display base plate, a driving method and a display apparatus. The display base plate includes a display area and a border area, the display area including a first display area and a second display area, and the display base plate including: a substrate, and a display signal line, a communication signal line and a compensation signal line, wherein the display signal line is configured to transmit a display signal to a pixel unit of the display area; the communication signal line is coupled with the display signal line to form a coupling capacitance, and includes a first communication signal line, at least part of the first communication signal line is located in the first display area, and the first communication signal line is configured to transmit a communication signal; and the compensation signal line is located in the border area, is connected to the first communication signal line.

Abstract: A utility vehicle for power emergency repair includes a cab, a carriage and a lighting device, including mounting bases, a wire pole, a rotary base and a lamp assembly. A rotary shaft is bridged between the mounting bases, and the rotary base is fixedly connected to the rotary shaft. First and second positioning units are provided on the top of the carriage. The rotary base has first and second positioning surfaces, the first positioning unit includes a first limiting platform, and the second positioning unit includes a rotation limiting plate and positioning plates. The positioning plates is supported on a lower end surface of the rotation limiting plate. The utility vehicle further includes a driving assembly and first and second contacts. A trigger signal is generated and the driving assembly is controlled to release braking on the rotary shaft when the first and second contacts contact each other.

Abstract: Disclosed are a dynamic error measurement apparatus, system, and method for an electricity meter. The measurement apparatus includes a test signal generation unit configured to generate a voltage test signal and two-circuit current test signals, output the voltage test signal to a measurement unit, and output the two-circuit current test signals to the measurement unit and a current summation unit; the measurement unit configured to determine two-circuit electric energy values based on the voltage test signal and the two-circuit current test signals, and output the two-circuit electric energy values to a calculation control unit; the current summation unit configured to determine a combined current signal based on the two-circuit current test signals; and the calculation control unit configured to determine a total electric energy value based on the two-circuit electric energy values. The system includes a standard meter and a measurement apparatus.

Abstract: A system for regulating a pump down operation may include a controller, a motor drive, a parameter estimation unit and a controller design unit. In examples, the controller may be configured to identify a difference between a downhole tension set-point to an actual downhole tension. The motor drive may be configured to adjust a line speed set point of the motor drive based at least in part on the difference from the controller to create an actual line speed from the motor drive to follow the downhole tension set-point. The parameter estimation unit may be configured to produce a fluid drag coefficient, a friction coefficient, and a line speed delay constant. The controller design unit may be configured to send one or more control gains to the controller based at least in part on the fluid drag coefficient, the friction coefficient, and the line speed delay constant.