Abstract: The invention provides a method for antenna selectin of a user equipment (UE). The UE may comprise a plurality of antennas. The method may comprise calculating one or more quality evaluations respectively associated with one or more first antenna subsets, and selecting one of the one or more first antenna subsets according to the one or more quality evaluations. Each antenna subset may include one or more of the plurality of antennas. Each quality evaluation may be calculated under a condition that the antenna(s) included in the associated antenna subset is (are) used to communicate.

Abstract: A text classification method includes: obtaining a target text and an associated text corresponding to the target text; performing feature extraction on the target text and the associated text to obtain feature information, the feature information including one or more features; processing the feature information by using an attention mechanism to obtain one or more attention weights respectively corresponding to the one or more features, an attention weight indicating importance of the corresponding feature for the target text and the associated text; and obtaining a class detection result and result interpretation information corresponding to the target text based on the feature information and the one or more attention weights, the class detection result comprising a class distribution probability corresponding to the target text, and the result interpretation information describing impact of the one or more features on the class detection result.

Abstract: Provided are a laser cavitation composite ultrasonic cleaning device and cleaning method for a connecting rod, which belong to the technical field of bushing gap cleaning of engine connecting rods. Provided are a laser cavitation composite ultrasonic cleaning device and cleaning method for a connecting rod, the cleaning device comprises a cleaning tank, a bracket, a low-frequency ultrasonic vibrator, a first laser head, and a second laser head; the low-frequency ultrasonic vibrator is located on an outer side of a bottom portion of the cleaning tank; the first laser head is located above the bracket, and the second laser head is located at a lower portion in the cleaning tank. According to the cleaning device, laser light is combined with an ultrasonic wave, cooperated with light path assemblies, and the laser light is focused in a bolt hole and a bushing gap of the connecting rod.

Abstract: A semiconductor chip package is described. The semiconductor chip package has a substrate. The substrate has side I/Os on the additional surface area of the substrate. The side I/Os are coupled to I/Os of a semiconductor chip within the semiconductor chip package. A cooling assembly has also been described. The cooling assembly has a passageway to guide a cable to connect to a semiconductor chip's side I/Os that are located between a base of a cooling mass and an electronic circuit board that is between a bolster plate and a back plate and that is coupled to second I/Os of the semiconductor chip through a socket that the semiconductor chip's package is plugged into.

Abstract: A performance testing device for the piston rod sealing assembly includes a bracket, a support apparatus, a drive apparatus and a leakage detection apparatus, where the support apparatus includes a cylinder body that is internally provided with a movable channel, and the movable channel is configured to allow a piston rod equipped with a sealing component to pass therethrough; the drive apparatus is provided on the bracket and configured to be connected with the piston rod; the leakage detection apparatus includes a limit member and an oil receiver, the limit member is provided with a detection channel and an oil channel and connected to the cylinder body, the detection channel is communicated with the movable channel and configured to allow the piston rod to pass therethrough; one end of the oil channels is communicated with the detection channel and the other end thereof is communicated with the oil receiver.

Abstract: A method for synchronizing neighboring tiles in an electronic map is described. The method includes grouping neighboring tiles of the electronic map into a plurality of tile groups. The method also includes selecting a first tile group and a second tile group that border one another on at least a first tile in the first tile group and a second tile in the second tile group. The method further includes independently optimizing the first tile group and the second tile group if a feature crosses between the first tile group and the second tile group. The method also includes shifting a border of the first tile group and a border of the second tile group to join the first tile and the second tile in the second tile group or the first tile group.

Abstract: A device has first, second and third elements fabricated on a common substrate. The first element supports a first optical mode in an active waveguide structure characterized by a mesa. The second element supports a second optical mode in a passive waveguide structure. The third element, at least partly butt-coupled to the first element, supports an intermediate optical mode in an intermediate waveguide structure characterized by a waveguide core cross section including a shallow step. A tapered waveguide structure in at least one of the second and third elements facilitates efficient adiabatic transformation between the second optical mode and the intermediate optical mode. No adiabatic transformation occurs between the intermediate optical mode and the first optical mode. Lithographic alignment marks facilitate precise alignment of the three elements during device fabrication.

Abstract: The present application provides a method and system, a device, and a medium. The method for information processing includes: obtaining an information processing state, wherein the information processing state is used for characterizing a processing state for target information, and the target information is generated according to input information on a dialogue page of a digital assistant; determining, according to the information processing state, display content matched with the information processing state; and displaying, on the dialogue page of the digital assistant, the display content matched with the information processing state. The method reduces the interaction complexity of users in a human-computer dialogue process and improve the operation experience of users.

Abstract: Provided are an electrokinetic device and method for in-situ leaching of uranium. The electrokinetic device for in-situ leaching of uranium includes an injection well, a pumping well, a positive electrode, a negative electrode, leaching solution, and a direct current power supply. Uranium ore is provided between the injection well and the pumping well, the negative electrode is arranged in the injection well, and the positive electrode is arranged in the pumping well. The leaching solution is injected from the injection well, flows through the uranium ore, and then is pumped from the pumping well for uranium extraction. The direct current power supply is respectively connected to the positive electrode and the negative electrode, and is configured to apply direct current between the positive electrode and the negative electrode to promote the pooling of uranium-carrying ions towards the pumping well.

Abstract: Provided is a foldable rotation shaft, including: a base, a first support mechanism, and a second support mechanism. In an unfolded state, the base, the first support mechanism, and the second support mechanism are respectively configured to support a bending portion, a first portion, and a second portion of the flexible display panel. The second support mechanism is configured to cause, in a folded state, a region, proximal to the base, of the second portion to be bent into a curved shape along a direction going away from the first support mechanism. The first support mechanism is configured to cause, in the folded state, a curvature of a partial region of the first portion to be different from a curvature of the region, bent into the curved shape, of the second portion. The partial region is opposite to the region, bent into the curved shape, of the second portion.

Abstract: The present invention proposed a super-resolution reconstruction device for Micro CT images of rat ankle fractures, comprising a rat ankle image preprocessing module, an HR LR image pair configuration module, a deep model module, and an image super-resolution reconstruction module. The aforementioned four modules were sequentially connected; the present invention also proposed an improved R2 RCAN model based on RCAN, which was a super-resolution reconstruction model grounded on self-attention mechanisms that enhanced the model's ability to extract features in multiple scales by incorporating Res2Net. Compared with other classic super-resolution models, the proposed R2 RCAN model achieved the best results.

Abstract: Microelectronic assemblies, related devices, and methods are disclosed herein. In some embodiments, a microelectronic assembly may include a die having a first surface and an opposing second surface; a capacitor having a surface, wherein the surface of the capacitor is coupled to the first surface of the die; and a conductive pillar coupled to the first surface of the die. In some embodiments, a microelectronic assembly may include a capacitor in a first dielectric layer; a conductive pillar in the first dielectric layer; a first die having a surface in the first dielectric layer; and a second die having a surface in a second dielectric layer, wherein the second dielectric layer is on the first dielectric layer, and wherein the surface of the second die is coupled to the capacitor, to the surface of the first die, and to the conductive pillar.

Abstract: A sealing device and underwater machinery equipment wherein the sealing device includes a sealing plug and a fixing assembly. The sealing plug is in fixed connection with multiple cables, and the fixing assembly is constructed to fix the sealing plug on a sealed cabin in an abutting manner, such that the sealing plug is occluded in the sealed cabin. The underwater machinery equipment includes the sealing device.

Abstract: Disclosed are a method for controlling an underwater robot, an underwater robot and a storage medium. The method includes: in response to switching a display visual angle of a control terminal, determining an orientation of a current display visual angle relative to a controlled underwater robot; determining a current control coordinate system of the underwater robot according to the orientation, a main direction of the control coordinate system is consistent with the orientation; and controlling the underwater robot based on a received control instruction and the control coordinate system.

Abstract: A heterogenous device includes a passive waveguide structure and an active waveguide structure. The passive waveguide structure is attached to a substrate and includes a dielectric layer. The active waveguide structure is attached to a top surface of the passive waveguide structure and includes a quantum well layer overlying an InGaP layer. The InGaP layer provides n-contact functionality. A heterogenous device includes a passive waveguide structure and an active waveguide structure. The passive waveguide structure is attached to a substrate and includes a semiconductor layer. The active waveguide structure is attached to a top surface of the passive waveguide structure and includes a quantum well layer overlying an InGaP layer. The InGaP layer provides n-contact functionality.

Abstract: A laser wireless power transmission device and method based on power acquisition on power line. The device includes a power transmitter and a power receiver both installed on a power transmission line. The power transmitter includes an online induction power acquisition module, a semiconductor laser, a communication module, a two-dimensional pan-tilt, a beam shaping module, a control unit, a video image module, and an IMU module. The power receiver includes a four-quadrant photovoltaic panel, a DCDC module, a wireless monitoring module, and a battery.

Abstract: Disclosed herein are methods, systems, and computer-readable media for automatically classifying and moderating content. In an embodiment, a method may include receiving input data and one or more content policies, and generating a content taxonomy. The method may also include receiving multi-domain cold start data and generating training data. The method may also include accessing a language model based on the input data and the training data, and iteratively classifying the content of the input data using the language model and the content taxonomy, refining the training data based on the classified content of the input data, refining the language model based on the refined training data, probing the refined language model, and updating the threshold value based on the probing of the refined language model. The method may also include moderating the content of the input data based on the optimized language model and the content taxonomy.

Abstract: A power amplifier circuit, a base station, a signal transceiver device, and a power amplifier apparatus are disclosed. The power amplifier circuit may include a main amplifier circuit and an auxiliary amplifier circuit connected in parallel between a signal input end and a signal output end. The main amplifier circuit may include a first power amplifier and a second power amplifier connected in series. The first power amplifier is a class-C power amplifier, and the second power amplifier is a class-AB power amplifier. The auxiliary amplifier circuit may include a third power amplifier and a fourth power amplifier connected in series. The third power amplifier is a class-AB power amplifier, and the fourth power amplifier is a class-C power amplifier.

Abstract: A winding battery includes a positive electrode plate and a negative electrode plate which are formed by winding, the positive electrode plate includes a positive electrode current collector and a first coating layer, and the negative electrode plate includes a negative electrode current collector and a negative electrode active layer. The first coating layer includes a first insulating adhesive layer and a positive electrode active layer, the positive electrode active layer is disposed on a surface of the positive electrode current collector, the first insulating adhesive layer is connected to the positive electrode active layer, and at least one cross section of the first insulating adhesive layer and an end surface, close to a winding start point, of the negative electrode active layer are located in a same plane.

Abstract: A signal transmission structure includes a circuit board, a chip, and a cable assembly. The chip is assembled on one side of the circuit board, and the cable assembly is assembled on the other side of the circuit board. The cable assembly includes a cable, and the circuit board includes a plurality of conductive holes. The chip is electrically connected to the cable of the cable assembly using the conductive hole to transmit a signal of the chip using the cable.