Abstract: A multilayer piezoelectric ceramic is such that: its piezoelectric ceramic layers do not contain lead as a constituent element, and have a perovskite compound expressed by the composition formula LixNayK1-x-yNbO3 (where 0.02<x?0.1, 0.02<x+y?1), as the primary component; and the internal electrode layers are constituted by a metal containing silver by 80 percent by mass or more, and contain ceramic grains containing the same elements found in the primary component. The multilayer piezoelectric element has a long lifespan, and whose internal electrode layers have a high content percentage of silver.

Abstract: A photographing method and an electronic device are provided, so that a to-be-photographed target can continue to be tracked after the to-be-photographed target returns to a shooting image, to improve accuracy of focusing performed during photographing of a moving object. The method includes: displaying a first image including a first object and a tracking indicator that is associated with the first object, the tracking indicator indicating that the first object is a tracked target; displaying a second image that does not include the first object or the tracking indicator; displaying a third image including the first object; automatically setting the first object as the tracked target and displaying the tracking indicator associated with the first object; and automatically focusing on the first object when displaying the third image.

Abstract: A transmission includes a fan assembly, including a fan wheel, a hood, and a guard. The fan wheel is connected to the driving shaft of the transmission for conjoint rotation, and the hood is attached to a, e.g., multi-piece retaining frame fastened to the housing of the transmission. The guard is formed of two guard parts, and the first parting line thereof is a straight segment or formed of two straight segments in alignment with each other. The hood is formed from two hood parts, and the second parting line thereof is a flat curve including straight line segments.

Abstract: The present disclosure discloses a method for preparing caprolactam including: (1) contacting cyclohexanone oxime with a catalyst to carry out reaction in the presence of ethanol and under the condition of gas phase Beckmann rearrangement reaction of cyclohexanone oxime; (2) separating the reaction product obtained in step (1) to produce an ethanol solution of crude caprolactam, and then separating the ethanol solution of crude caprolactam to obtain ethanol and crude caprolactam; (3) removing impurities with boiling points lower than that of caprolactam in the crude caprolactam to obtain a light component removal product; (4) mixing the light component removal product with a crystallization solvent to carry out crystallization and solid-liquid separation to obtain a crystalline crystal; (5) subjecting the crystalline crystal to a hydrogenation reaction; wherein the crystallization solvent contains 0.1-2 wt % of ethanol.

Abstract: A light detector is configured such that a light receiving portion having APDs and a peripheral circuit portion are provided on a first principal surface of a p-type semiconductor substrate, and further includes a back electrode provided on a second principal surface of the semiconductor substrate and a p-type first separation portion provided between the light receiving portion and the peripheral circuit portion. The APD has, on a first principal surface side, an n-type region and a p-epitaxial layer contacting the n-type region in a Z-direction. The peripheral circuit portion has an n-type MISFET provided at a p-well and an n-well provided to surround side and bottom portions of the p-well.

Abstract: Provided is a MEMS device. The MEMS device includes: substrate having back cavity passing therethrough; diaphragm connected to the substrate and covers the back cavity, the diaphragm comprises first and second membranes, and accommodating space is formed between the first and second membranes; supports arranged in the accommodating space, and opposite ends of the support are connected to the first and second membranes; counter electrode arranged in the accommodating space, the first and second membranes each include conductive and second regions, the second region is formed by semiconductor material without doping conductive ions. Through design of the first and second membranes as the first region and the second region, respectively, the second region is formed by semiconductor material without doping conductive ions, and the first region is formed by doping conductive ions in the semiconductor material, so that the compliance performance is improved and not at risk of delamination.

Abstract: A method of flushing a toilet that includes opening a first valve to introduce a first supply of grey water into a passage to prime a siphon; opening a second valve to introduce a second supply of water into a bowl from a tank, the bowl having an outlet that is in fluid communication with an inlet of the passage; closing the first valve to shut off the first supply of water; evacuating the contents of the bowl through an outlet of the passage by way of the siphon generated by the introduction of the first supply of water and the introduction of the second supply of water; and closing the second valve to shut off the second supply of water.

Abstract: A height-adjustable desk is disclosed. Exemplary implementations may include a work surface, a left-side support structure, a right-side support structure, a core body, and a working body that provides the work surface. The core body may include lifting mechanisms such that the work surface of the desk may be positioned for a person in a standing and/or sitting position. The working body may include a control interface configured to be manually engaged by the user, to control lifting and/or lowering of the work surface of the desk.

Abstract: It is an object of the present disclosure to provide an agent for coloring keratinous material, in particular human hair, comprising (a1) at least one amino-functionalized silicone polymer, and (a2) at least one pigment, and (a3) at least one phosphorus-comprising organic compound. A second subject matter is a method for dyeing keratin material, wherein the agent is applied to the keratin material.

Abstract: The present application discloses techniques for interaction during live video streaming. The techniques comprise obtaining and playing streamer-end video data, and user-end video data captured by a user terminal in real time; monitoring and recognizing whether the streamer-end video data comprise a preset voice instruction; determining whether the user-end video data comprises a target audio or a target video when the streamer-end video data comprises the preset voice instruction; and displaying a video special effect corresponding to the preset voice instruction in a user video when the user-end video data comprise the target audio or the target video. By means of the present application, a video special effect can be played for a user video according to a result of interaction between a streamer and a user, which enriches the way of interaction presentation and enhances the sense of participation in interaction.

Abstract: The invention discloses a steam hair straightener, comprising an upper handle and an upper cover forming the upper part, and a lower handle and a lower cover forming the lower part, wherein the upper handle and the upper cover are assembled and fixed by screws, and a first installation cavity is formed there between; the lower handle and the lower cover are also assembled and fixed by screws, and a second installation cavity is formed there between; the inside of the first installation cavity is equipped with an upper heating plate, a hot steam device, a water tank and a water pump; the second installation cavity is equipped with a lower heating plate, an infrared device, a function control board, and a 360° rotating power cord; the hot steam device is installed on the upper heating plate.

Abstract: The present disclosure provides a system of an industrial Internet of Things (IoT) for an automated guided vehicle (AGV) control, a method, and a medium. The method includes: obtaining an AGV circuit layout and forming an AGV operation model; obtaining a feeding time, each AGV being fed for at least once within a preset period; the material end point being a node for receiving material in the AGV operation model; calculating an operation track of each AGV of the AGV operation model within the preset period based on the operation speed and the feeding time; adjusting the operation speed to recalculate the operation tracks until the operation process is qualified; and sending the operation track of the qualified operation process to a user platform through the service platform to display to a user.

Abstract: The present disclosure provides an imaging optical lens assembly, including, in order from an object side to an image side: a first lens element with negative refractive power having an object-side surface being concave in a paraxial region, a second lens element with positive refractive power, a third lens element with negative refractive power, a fourth lens element with positive refractive power, and a fifth lens element with negative refractive power having an image-side surface being concave in a paraxial region and at least one convex shape in an off-axial region on the image-side surface, wherein the imaging optical lens assembly has a total of five lens elements.

Abstract: This specification describes methods and systems for accelerating attribute data access for graph neural network (GNN) processing. An example method includes: receiving a root node identifier corresponding to a node in a graph for GNN processing; determining one or more candidate node identifiers according to the root node identifier, wherein attribute data corresponding to the one or more candidate node identifiers are sequentially stored in a memory; and sampling one or more graph node identifiers at least from the one or more candidate node identifiers for the GNN processing.

Abstract: A method for programming a three-dimensional (3D) memory device is provided. The 3D memory device has a plurality of memory strings with memory cells vertically stacked, and each memory cell is addressable through a word line and a bit line. The method for programming the 3D memory device includes the following steps: applying a program voltage on a selected word line; applying a first pass voltage on a first group of unselected word lines; and applying a second pass voltage on a second group of unselected word lines, wherein the second pass voltage is different from the first pass voltage.

Abstract: The present disclosure provides a method and a device for transaction clearing. The method includes receiving first clearing requests transmitted by a quantity N of terminals, where N>1; according to the first clearing requests, acquiring transaction data of the quantity N of terminals from a database; initializing a cache queue, and loading the transaction data into the cache queue; reading the transaction data in the cache queue, and performing a clearing process on the transaction data; and writing a clearing result into the database and feeding back the terminals with an execution result of the first clearing requests.

Abstract: A wiring design method and a wiring structure for a package substrate in a flip chip, and a flip chip. The wiring design method includes: arranging bump pads in an array of rows and columns, wherein the bump pads are configured to bond with conductive bumps on a flip chip die, and the bump pads comprise signal pads and non-signal pads; providing the non-signal pad with a via hole; and using a layer of wiring to lead a subset of the signal pads out of an orthographic projection region of the flip chip die on the package substrate, wherein the subset of the signal pads is configured to carry all functional signals required by design specifications of the flip chip die for the array of the bump pads.

Abstract: The present disclosure provides a method of data protection for a NAND memory. The method can include programming a selected page of the NAND flash memory device according to programming data. The programming of the selected page can include a plurality of programming operations and a plurality of verifying operations, with ones of the plurality of verifying operations performed after corresponding ones of the plurality of programming operations to determine whether programmed memory cells of the selected page have threshold voltage levels according to the programming data. The method can also include determining a completion of the programming of the selected page based on each of the plurality of verification operations returning a pass result. The method can also include performing, after the determining, a read operation on the selected page by the NAND flash memory device to self-verify data stored at the selected page according to the programming data.