Abstract: A light-emitting substrate includes: a substrate; and at least one coupling portion and at least one auxiliary cathode pattern disposed on the substrate. Each auxiliary cathode region is provided with a coupling portion and an auxiliary cathode pattern coupled to the coupling portion. The auxiliary cathode pattern includes at least one disconnection portion, and each disconnection portion includes first, second and third conductive pattern layers. An orthographic projection of an edge of the second conductive pattern layer on the substrate is located within orthographic projections of edges of the third and first conductive pattern layers on the substrate. A total perimeter of at least one orthographic projection, on the substrate, of at least one edge of at least one third conductive pattern layer in the at least one disconnection portion is greater than a perimeter of an orthographic projection of an edge of the auxiliary cathode region on the substrate.

Abstract: A composition comprising dichloroacetic acid and glyoxylic acid, wherein, the content of glyoxylic acid is below 1000 pm, and the preparation method and application of the composition. A process for preparing the composition, comprising: mixing a dichloroacetic acid material having greater than 1000 ppm glyoxylic acid with a glyoxylic acid capture reagent, and a process for preparing oligonucleotides, comprising using the composition. It is found that glyoxylic acid is an impurity in commercially available DCA products, which may cause the oligonucleotides synthesis failure. Ion chromatography can be used to detect glyoxylic acid in dichloroacetic acid and accurately determine its concentration.

Abstract: A fault-tolerant control method and apparatus of a floating wind turbine are provided. The fault-tolerant control method and apparatus of a floating wind turbine can acquire a low-order nonlinear model of a pre-established floating wind turbine, establish a switching linear model of the floating wind turbine based on the low-order nonlinear model, acquire a modal parameter of the current floating wind turbine, and determine based on the modal parameter a sub-model that the floating wind turbine currently satisfies, so as to establish a switching sliding mode surface and a full-order state observer of the floating wind turbine based on the sub-model and the modal parameter, and further calculate a feedback output of a controller of the floating wind turbine according to the switching sliding mode surface and the full-order state observer.

Abstract: A method of reconstructing transcranial images using a dual-mode ultrasonic phased array includes steps of: controlling channels to emit energy toward an intracranial target point of a patient; respectively generating backscattered radiofrequency (RF) data by using the channels to receive backscattered energy reflected from the intracranial target; and reconstructing an acoustic distribution image based on those backscattered RF data in real-time. Compared with Pre-Treatment Ray Tracing Method, the present invention can display intracranial pressure distribution in real-time; compared with MR Thermometry, the present invention can be applied to low-energy applications without temperature change; and compared with Passive Cavitation Imaging, the present invention can stably present acoustic distribution images without relying on microbubbles.

Abstract: This application provides an incoming call volume control method and an electronic device. The method includes: An electronic device determines to start a detection based on a state of a display screen, a state of an optical proximity sensor, and an incoming call situation. During the detection, if target biological feature information is detected by the electronic device, the electronic device may adjust an incoming call volume. Therefore, a convenient and fast incoming call volume adjustment mode is provided, which enables a user to adjust the incoming call volume without operating the electronic device. Moreover, the electronic device starts the detection when a specific condition is satisfied, thereby effectively reducing power consumption while ensuring time relevancy and high efficiency of the detection.

Abstract: In various embodiments, a training application trains a machine learning model to generate three-dimensional (3D) representations of two-dimensional images. The training application maps a depth image and a viewpoint to signed distance function (SDF) values associated with 3D query points. The training application maps a red, blue, and green (RGB) image to radiance values associated with the 3DI query points. The training application computes a red, blue, green, and depth (RGBD) reconstruction loss based on at least the SDF values and the radiance values. The training application modifies at least one of a pre-trained geometry encoder, a pre-trained geometry decoder, an untrained texture encoder, or an untrained texture decoder based on the RGBD reconstruction loss to generate a trained machine learning model that generates 3D representations of RGBD images.

Abstract: Provided in the embodiments of the present disclosure are a configuration method and apparatus for joint channel estimation, and a device and a storage medium. The configuration method for joint channel estimation provided in the embodiments of the present disclosure is executed by a terminal, and comprises: receiving configuration information of joint channel estimation, wherein the configuration information is used by the terminal to perform joint channel estimation.

Abstract: An open-loop power control method and apparatus for a PUSCH. The method includes: configuring and determining an open-loop power control (OLPC) parameter required by a terminal, in which the OLPC parameter includes one or more power boosting parameters corresponding to one or more transmission and reception points (TRPs); and sending first indication information, in which the first indication information is configured to indicate power boosting parameters used when the PUSCH is sent based on a multi-TRP cooperation, and the power boosting parameters used when the PUSCH is sent correspond to different cooperative TRPs to which the PUSCH is sent.

Abstract: A method of calculating a size of a Gaussian kernel in a crowd counting system. The method includes dividing a crowd density map into several areas at equal intervals; calculating an estimated value of average distance of k nearest heads with respect to a head center point coordinate of a current person; calculating a weight coefficient for an average distance of k nearest heads; calculating a size of a Gaussian kernel corresponding to the head center point coordinate of the current person; determining whether there are any head center point coordinates of which sizes of Gaussian kernels have not been calculated yet in training data. If there are head center point coordinates of which sizes of the Gaussian kernels have not been calculated in the training data, recalculating an estimated value of average distance of k nearest heads with respect to another head center point coordinate of another current person.

Abstract: The embodiments of the present application provides a method and apparatus for preventing heat damage to a thermal imaging camera. The method includes: obtaining a thermal imaging picture of the thermal imaging camera; detecting whether the thermal imaging picture shows that a high-temperature object appears in the picture of the thermal imaging camera; confirming that the thermal imaging picture shows that a high-temperature object appears in the picture, generating a heat damage alarm signal, and closing a baffle if the baffle is not closed currently. In the present application embodiments, after detecting a heat damage alarm signal, that is, after detecting that a high-energy radiating object enters an image picture, the baffle is closed immediately, thereby avoiding the risk of the sensor being permanently burnt due to directly face to the high-energy radiating object.

Abstract: An electric driveline for an electric vehicle, comprising: a battery unit, a motor unit and a motor control unit which are fixed to a vehicle chassis. A drive axle unit supporting the vehicle chassis. The motor unit placed in a cradle member, and directly coupled to the drive axle unit by means of a coupling member. The electric driveline allowing for a transmission to be eliminated from vehicles, thereby simplifying the production process of the vehicles and reducing manufacturing costs of the vehicles.

Abstract: The present application discloses a synthesis method of chiral nicotine from nicotinate and ?-butyrolactone, including the following steps: Step S1: performing condensation under an alkaline condition, and performing ring opening reaction with hydrochloric acid; Step S2: reacting with (+)—B-diisopinocampheyl chloroborane to produce a chiral hydroxyl group; Step S3: performing a chlorination reaction; and Step S4: performing cyclization under an alkaline condition to obtain the chiral nicotine. In the present application, nicotinate and ?-butyrolactone, both cheap and readily available, are used as raw materials, so as to reduce the production cost of (S)-nicotine. (+)—B-diisopinocampheyl chloroborane is used to reduce a carbonyl group of an intermediate to obtain a target chiral center.

Abstract: The present invention relates to a method for carbon dioxide capture and concentration by partitioned multistage circulation based on mass transfer-reaction regulation. In the present invention, multiple means such as multistage circulating absorption, intelligent multi-factor regulation, pre-washing and cooling, inter-stage cooling, post-stage washing, slurry cleaning, cooling water waste heat utilization, small-particle-size and high-density spraying, external strengthening field such as a thermal field/ultrasonic field/electric field, and catalysis by composite catalyst are adopted, so that the target for low cost, low energy consumption, stability and high efficiency is realized. The secondary pollutants are effectively inhibited while carbon dioxide is efficiently captured; meanwhile, high-efficiency capture, low-energy desorption, and high-purity concentration of carbon dioxide are implemented.

Abstract: This disclosure provides for methods and system for meta few-shot class incremental learning. According to an aspect a method is provided. The method includes obtaining at least one weight attention map of a first network and updating weights of a second network using the at least one weight attention map, where the second network is a modulatory network. The method further includes generating at least one feature attention map of the second network based on the at least one weight attention map of the first network and a set of input images of at least one class. The method further includes generating at least one feature map of the first network based on the set of input images of the at least one class, and updating the at least one feature map of the first network based on the feature attention map of the second network.

Abstract: Disclosed is a method and device for automatic detection of vessel draft depth, which processes the image of a vessel's hull and extracts local area image blocks with vessel's water gauge scale separately to improve the pertinence of data processing and reduce the complexity of data processing; and based on a multi-task learning network model, performing data processing on local area image blocks to extract scale characters and waterline position, reducing the computational complexity of the model; finally, based on the relative positions of the scale and waterline, determining the vessel's draft depth, thus achieving automatic acquisition of the vessel's draft depth, this method greatly improves the efficiency of reading the vessel's draft depth.

Abstract: The invention relates to an ophthalmic pharmaceutical composition and its preparation methods and applications, wherein the pharmaceutical composition comprises of L-Alanyl-L-Glutamine suspended or dissolved in an isoosmotic solution suitable for human eyes, and has the advantages causing minimal irritation, with high stability and a good safety profile, and which can be used for relieving dry eye disease (DED) symptoms and/or improving and/or treating DED.

Abstract: A blade change mechanism configured to attach a blade to a transmission rod of a power tool, the blade change mechanism including a support body, a blade retention structure, and a component. The blade retention structure is coupled to the support body and includes a blade retention component movable to hold the blade in a locked state in response to engagement of the blade with the blade change mechanism on insertion of the blade. The component is movable to vary the blade retention component to hold the blade in the locked state. The component is further movable to vary the blade retention component to an unlocked state in which the blade retention structure is disengaged from the blade. The blade retention structure is held in the unlocked state absent the blade being fully inserted into the blade change mechanism.

Abstract: The present invention provides a smart wearable device, which is held on an upper body of a wearer by a plurality of contact pad sets, and has a connection unit, a first sensing module, a second sensing module, and an extension unit.

Abstract: A method for configuring a control resource set (CORESET) #0 is performed by a base station, and includes: configuring the CORESET #0 according to a subcarrier spacing (SCS) of a synchronization signal and physical broadcast channel block (SSB).

Abstract: Systems, methods and apparatus for video processing are described. The video processing may include video encoding, video decoding or video transcoding. One example method of video processing includes performing a conversion between a block of a video and a bitstream of the video according to a rule. The conversion is based on an adaptive motion vector difference resolution (AMVR) tool, and the rule specifies that selection of a context for a first bin within a bin string of a first syntax element that specifies the resolution of the motion vector difference associated with an AMVR shift is derived based on usage of a coding mode for the block.