Abstract: A massage nozzle includes a nozzle housing and a nozzle core detachably attached in the nozzle housing. The nozzle housing is split-type and includes a cover mounted in a hole of a wall of a hot tub, a nozzle seat and a fastener. The cover includes an end ring and a side wall extending from the end ring. The side wall is conformed with the hole. The nozzle seat includes an inlet and a spray end which has a surface conformed with the side wall. The nozzle seat passes through and detachably connects with the cover. The outer circumferential surface of the spray end contacts with an inner surface of the side wall. The fastener is detachably sleeved on the outer circumferential surface of the nozzle seat and cooperates with the cover to fix the nozzle seat to the hot tub. The installation is convenient and the cost is reduced.

Abstract: The present invention relates to a two-component system comprising a component A) comprising at least one polymeric polyol which has an OH content of ?4.5 wt %, based on the total solids content of the polymeric polyol, and a component B) comprising at least one polyisocyanate which has a number average isocyanate group functionality of ?4.0 to ?10.0, based on the total solids content of the polyisocyanate, a fraction of ?25 wt %, based on the total solids content of the polyisocyanate, of oligomers containing isocyanate groups and having a number-average molecular weight of ?780 g/mol, and an isocyanurate group fraction of ?5 mol % to ?70 mol %, based on the total amount of isocyanurate groups and allophanate groups in the polyisocyanate. The invention further relates to a method for producing a coating on a substrate, to the coating obtainable by this method, and to the coated substrate.

Abstract: The present disclosure describes techniques for automatically and fast generating music for videos. The techniques comprise receiving a video from a user. The video may comprise a plurality of segments of frames. Information may be extracted from the video, wherein the extracted information comprises information indicating motion speed in the video, information indicating motion saliency in the video, information indicating scene transition in the video, and timing information associated with the video. A plurality of sets of music notes matching the plurality of segments of frames may be generated based at least in part on the extracted information. A plurality of vectors corresponding to the plurality of sets of music notes may be generated. The plurality of pieces of music audio corresponding to the plurality of segments of frames may be generated based at least in part on the plurality of vectors.

Abstract: A Liquid Crystal Display (LCD) assembly and an electronic device is provided in the disclosure. The LCD assembly includes a liquid crystal panel, a resistance detection unit, and a color-temperature-compensation unit. The liquid crystal panel has a first detection point in a first region and a second detection point in a second region. The resistance detection unit is configured to obtain a first resistance value by detecting a resistance value at the first detection point and obtain a second resistance value by detecting a resistance value at the second detection point, and further configured to obtain a resistance difference by calculating a difference between the second resistance value and the first resistance value. The color-temperature-compensation unit is configured to receive the resistance difference, and determine whether Mura appears in a region corresponding to the first detection point in the first region according to the resistance difference.

Abstract: A method for arbitrating cluster includes: setting heartbeat between every two adjacent nodes in the cluster; in response to disconnection of heartbeat among nodes occurs, dividing the nodes into a plurality of sub-clusters, and determining whether the sub-cluster having a largest number of nodes is unique; in response to the sub-cluster having the largest number is not unique, selecting one node in the sub-clusters having the largest number of nodes, to make the selected nodes send a request of reservation to a logical volume of a third-party storage; in response to success of reservation of node, determining whether data for arbitrating in the logical volume of the third-party storage is valid; and in response to the data is invalid, writing information for arbitrating of the node of success into the logical volume, to make the sub-cluster, to which the node belongs, obtain a control right of the cluster.

Abstract: A display panel and a display apparatus are provided. The display panel includes data lines located in a display region, and a power bus, connection traces, and a control circuit that are located in a non-display region. The connection trace at least partially overlaps with the power bus in a direction perpendicular to a plane of the display panel, and has a first area that is an overlapping area between the connection trace and the power bus. The control circuit includes control transistors. A first electrode and/or a second electrode of the control transistor is coupled to the connection trace. The control transistors include a first control transistor and a second control transistor. The connection trace coupled to the first control transistor and the connection trace coupled to the second control transistor have different first areas. Channel areas of the first control transistor and the second control transistor are different.

Abstract: A method of forming a structure having a coating layer includes the following steps: providing a substrate; coating a fluid on the surface of the substrate, where the fluid includes a carrier and a plurality of silicon-containing nanoparticles; and performing a heating process to remove the carrier and convert the silicon-containing nanoparticles into a silicon-containing layer, a silicide layer, or a stack layer including the silicide layer and the silicon-containing layer.

Abstract: This application provides a negative electrode plate, a lithium metal battery, and an apparatus including the lithium metal battery. The negative electrode plate includes a negative electrode current collector and a lithium-metal negative electrode disposed on at least one surface of the negative electrode current collector, where a polymer protective film is disposed on a surface of the lithium-metal negative electrode away from the negative electrode current collector, the polymer protective film includes a citric acid copolymer, and a number-average molecular weight Mn of the citric acid copolymer is 10,000 to 1,000,000. In this application, a polymer protective film with high tensile strength, high puncture strength, high elongation, and high electrolyte holding capacity may be formed on the surface of the lithium-metal negative electrode in the negative electrode plate.

Abstract: A data enhancement expansion method, recognition method and system for deep learning, the data enhancement expansion method includes the following steps: collecting original video data of a target to be recognized, and extracting original images of several recognized targets from the original video data; extracting seed images of RoI outlines of the recognized targets from the original images; performing an image enhancement operation on the seed images of the RoI outlines of the recognized targets, and randomly extracting the seed images subjected the image enhancement operation for image aliasing enhancement to obtain several composite images; and generating a data set based on the original images of the several recognized targets and the several composite images. Original data materials are easy to obtain with extremely low cost and high authenticity, and can be really put to a deep learning network to achieve good recognition results.

Abstract: A cathode active material of formula LiNixMnyAlzM?O2-?B? or NaNix?Mny?Alz?M???O2-??B??, wherein M is a combination of Ti, and Mg; M? is Ti, Mg, or a combination of thereof; B is selected from the group of F, S, Se, or Cl; 0.8<x<1, 0<y<0.2, 0<z?0.2, 0???0.2, 0???0.1, 0.5<x?<1, 0<y?<0.5, 0<z??0.2, 0????0.2, and 0????0.1. The particle is a single crystal, a single particle, or a secondary particle comprising a plurality of primary particles; and the particle is a uniform composition or a concentration gradient composition.

Abstract: A hardware decompression acceleration engine including: an input buffer for receiving to-be-decompressed data from a software layer of a host computer; a decompression processing unit coupled to the input buffer for decompressing the to-be-decompressed data, the decompression processing unit further receiving first and second flags from the software layer of the host computer, wherein the first flag is indicative of a location of the to-be-decompressed data in a to-be-decompressed data block and the second flag is indicative of a presence of an intermediate state; and an output buffer for storing decompressed data from the decompression processing unit.

Abstract: The present invention relates to a reagent for exploiting natural gas hydrates, which includes a regent A and a regent B. The reagent A is PEG400-polyurethane prepolymer; the reagent B includes PEG400 and an initiator; and a volume ratio of the PEG400-polyurethane prepolymer, the PEG400 and the initiator is (1-3000):(1-1000):(1-2000). The reagent of the present invention has excellent performance and high stability, and can effectively “replace” the “water” of the natural gas hydrate; and moreover, the reaction is exothermic reaction to effectively increase the reaction rate, which reduces the energy loss on the one hand, and reduces the blockage of a gas passage caused by the secondary generation of the natural gas hydrates in a low-temperature high-pressure pipeline during transferring on the other hand.

Abstract: An interference lens and a projection ambient lamp are provided. The interference lens includes: an interference sheet with a first surface and a second surface opposite to the first surface, the first surface being a rough surface; and a reflective film provided at the interference sheet; wherein light is reflected by the reflective film to form an interference pattern. The projection ambient lamp includes the foregoing interference lens, a light source and a focusing lens; light emitted from the light source passes through the interference lens and is reflected by the reflective film to form an interference pattern, which is focused by the focusing lens and projected on a medium. The present disclosure realizes simplification of the structure by providing a reflective film at the interference lens, hence utilization of light energy is higher, power consumption is lower, manufacturing cost is lower, and projection effect is better.

Abstract: A method, a system, a processing device and a computer storage medium for evaluating a viewpoint density are provided. The method includes: acquiring a quantity of viewpoints of a display panel; comparing a size of an image spot radius of each viewpoint and image point spacing between the viewpoint and an adjacent viewpoint, and selecting one viewpoint as a reference viewpoint, calculating a crosstalk value between another viewpoint except the reference viewpoint and the reference viewpoint; and evaluating a viewpoint density for the auto-stereoscopic display according to the comparison of the size of the image spot radius of each viewpoint and the image point spacing between the viewpoint and the adjacent viewpoint and the calculated crosstalk value between the another viewpoint and the reference viewpoint.

Abstract: The disclosure discloses an L-aspartate ?-decarboxylase mutant and application thereof, and belongs to the technical field of enzyme engineering. In the disclosure, lysine at position 221 of L-aspartate ?-decarboxylase is mutated to arginine, glycine at position 369 is mutated to alanine, and the obtained new mutant enzymes have better temperature tolerance and are beneficial to industrial production. The K221R and G369A recombinant strains are subjected to high-density fermentation, and with sodium L-aspartate as a substrate, a whole cell catalytic reaction is carried out to prepare ?-alanine. Compared with a chemical production method, the method has the advantages that the production process is safe and clean, and has no environmental pollution. Compared with a pure enzyme catalysis method, the method has the advantages that the operation is simple and convenient. The yield of the final product ?-alanine reaches 91% and 90% respectively, and the concentration reaches 162.15 g/L and 160.42 g/L respectively.

Abstract: A noninvasive glucometer and a blood glucose detection method are provided. The noninvasive glucometer includes a light source, a spectrometer and detecting space into which an object to be detected intervenes; the detecting space is connected with the light source and the spectrometer respectively, so that a spectrum emitted by the light source can generate incident light entering the spectrometer after passing through the object to be detected. The spectrometer includes: an optical modulation layer configured to perform light modulation on the incident light to obtain a modulated spectrum; a photoelectric detection layer located below the optical modulation layer, and configured to receive the modulated spectrum and provide differential responses with respect to the modulated spectrum; and a signal processing circuit layer located below the photoelectric detection layer and configured to reconstruct the differential responses to obtain an original spectrum.

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 current block of a video and a bitstream of the video according to a rule. The rule specifies that selection of a context for coding a syntax element specifying whether the block is split horizontally or vertically is based on a number of allowed vertical splits and a number of allowed horizontal splits. The number of allowed vertical splits includes a number of allowed binary vertical splits and a number of allowed ternary vertical splits, and the number of allowed horizontal splits includes a number of allowed binary horizontal splits and a number of allowed ternary horizontal splits.

Abstract: In a method of manufacturing a semiconductor device, a trench pattern is formed in a first layer disposed over an underlying layer, and a first dimension of the trench pattern is reduced by first directional deposition. In the first directional deposition, a deposition rate on a first side wall of the trench pattern extending in a first axis is greater than a deposition rate on a second side wall of the trench pattern extending in a second axis crossing the first axis, the first axis and the second axis being horizontal and parallel to a surface of the underlying layer.

Abstract: Disclosed is an ultrasonic electronic cigarette atomizer. An atomizer shell, an atomization piece and a liquid guide structure are arranged in the atomizer shell. The liquid guide structure communicates with a liquid storage cavity in the atomizer shell. A heating body is arranged in the atomizer shell. Both of the atomization piece and the heating body are in contact with the liquid guide structure, and both of the heating body and an atomization surface of the atomization piece communicate with an airflow passage, and a positive electrode and a negative electrode of the heating body are respectively connected with one end and the other end of a power supply. The heating body can quickly heat the tobacco tar to approach to its atomization temperature, and also can transfer a part of heat to the atomization piece, so that the atomization piece atomizes the tobacco tar quickly, shortening the atomization time.

Abstract: The present disclosure related to compounds that can be useful as inhibitors of PD-1, PD-L1 or the PD-1/PD-L1 interaction. Also disclosed herein are pharmaceutical compositions of that can include a compound of Formula (I), or a pharmaceutically acceptable salt thereof, and uses of or methods of using a compound of Formula (I), or a pharmaceutically acceptable salt thereof, for the treatment of PD-L1 related diseases including but not limited to liver diseases, cancer, hepatocellular carcinoma, viral diseases, or hepatitis B.