Abstract: A test bench for impact leakage detection of a water hydraulic cylinder based on helium gas detection includes a test bench body, a water hydraulic cylinder, a helium bottle, a sealed container, and an impact device. The water hydraulic cylinder is detachably installed on the test bench body; an outlet end of the helium bottle is in communication with a rodless cavity of the water hydraulic cylinder, and a pressure reducing valve is installed between the helium bottle and the water hydraulic cylinder; the sealed container is detachably installed at a rod cavity of the water hydraulic cylinder, and a helium mass spectrometer leak detector is installed on the sealed container; and the impact device is fixedly installed on the test bench body, and the impact device is connected to a piston rod of the water hydraulic cylinder.

Abstract: A device for cavitation detection of a pure water hydraulic system based on pressure includes a chamber component; an inner diameter of the drainage nozzle gradually increases along an inflow direction of a liquid medium, so as to reduce a flow velocity of the liquid medium after being drained into the drainage nozzle; and the detection assembly includes a housing, one end of the housing facing the drainage nozzle is an open end, an elastic cover sheet is arranged in the open end, an electrode is arranged in the housing, diaphragms are respectively arranged on two sides of the electrode, and the electrode is closely attached to the elastic cover sheet through one of the diaphragms; the liquid medium is ejected from the drainage nozzle and impacts the elastic cover sheet.

Abstract: A method comprising accessing, by at least one computing system, a plurality of layout blocks comprising a plurality of design patterns for an interconnect layer and identifications of lithography risk sites of the plurality of design patterns, the lithography risk sites corresponding to violations of constraint based checks for simulated physical patterns corresponding to the plurality of design patterns; and generating, by the at least one computing system, a layout comprising the plurality of layout blocks and at least one routing path that is coupled to a subset of the plurality of design patterns having lithography risk sites.

Abstract: A device for cavitation monitoring of a hydraulic system includes a branch pipe connected to a hydraulic pipe; a movable unit arranged in the branch pipe and in sliding fit with the branch pipe; and an acquisition unit arranged in the branch pipe and configured to acquire position information of the movable unit. The movable unit is configured such that when a gas filling amount in a medium in the hydraulic pipe changes, the movable unit moves along the branch pipe. The device also includes an information display unit connected to the acquisition unit and configured to analyze and display the position information acquired by the acquisition unit. The device also includes a buffer unit connected to one side of the movable unit close to the hydraulic pipe.

Abstract: A fluorine-containing substituted benzothiophene compound and a pharmaceutical composition and an application thereof are described. The compound has the structure as shown in formula (I), in which the definitions of each group and substituent are as described in the description. A preparation method of the compound and an anti-tumor application thereof are also described.

Abstract: Provided are a target retrieval method and device, and a storage medium.

Abstract: A method for determining natural illumination duration and an electronic device are provided, to more accurately determine a scenario in which a user is located and effectively determine natural illumination duration, to help the user improve vision. The method is applied to an electronic device having a display screen and includes: determining a current scenario based on a preset reference factor (S901), where the preset reference factor includes any one or more of ultraviolet intensity, illumination intensity, and locating signal strength; and counting current natural illumination duration towards cumulative natural illumination duration if the current scenario is a preset scenario (S902), where the preset scenario includes any one or more of an outdoor scenario, an indoor near-window scenario, and an outdoor blocked scenario.

Abstract: A multimedia message transmission method includes a network device that obtains at least two multimedia message bodies that are for same content. Sizes of the at least two multimedia message bodies are different. The network device determines hardware information of a terminal device. The network device sends a multimedia message to the terminal device based on the hardware information. The network device sends, to the terminal device, a multimedia message that complies with a multimedia message capability corresponding to the hardware information.

Abstract: A user inviting method includes: obtaining a user identifier of a current login user, in response to a trigger operation for a target invitation link corresponding to a target two-dimensional code, the target two-dimensional code being encrypted by using a public key and used for indicating jump to a target invitation page; accessing the target invitation link based on the user identifier, and obtaining a private key corresponding to the public key in response to that the user identifier is consistent with a target user identifier corresponding to the target invitation link; decrypting the target two-dimensional code by using the private key, and displaying the target invitation page in response to that the target two-dimensional code is decrypted successfully; and submitting user information written to the target invitation page in response to a submitting operation for the target invitation page.

Abstract: This application relates to a method for displaying item information performed by a computer device. The method includes: displaying a live stream image comprising a live stream host performing in a live stream environment and at least one item located in the live stream environment, and the at least one item comprising a target item; in response to an item recognition operation, displaying an item tag corresponding to the at least one item; and in response to receiving a first selection operation on an item tag, displaying an item link region. Because the item tag includes an item keyword, preliminary information corresponding to the item can be directly provided to a viewer of the live stream. When the viewer account initiates a selection operation on the item tag, an item link region including item information is displayed. In this way, the viewer can further interact with the item information.

Abstract: A thermally conductive composition includes a non-silicone polymer resin curable in place along a thermal dissipation pathway. The composition exhibits a low density for particular use in weight-sensitive applications that require a thermal conductivity of at least 1.5 W/m*K.

Abstract: This application provides a livestreaming processing method performed by an electronic device. The method includes: obtaining real-time livestreaming data of a livestreaming room while displaying livestreaming content of the livestreaming room; acquiring a portion of the livestreaming content of the livestreaming room according to the real-time livestreaming data, and generating a promotion video according to the acquired portion of the livestreaming content; and; and transmitting the promotion video to a plurality of social networking accounts of a social networking application, wherein the transmitted promotion video provides an option for a user associated with one of the plurality of social networking accounts to join the livestreaming room.

Abstract: In an information display method, first gameplay of a game controlled by a player is displayed to a user. Contextual information is determined from the first gameplay of the game. Second gameplay of the game controlled by the user is determined based on the contextual information of the first gameplay of the game. The second gameplay of the game with the first gameplay of the game is displayed. The second gameplay is pre-recorded and the first game play is live-streamed.

Abstract: This application discloses a data processing method and apparatus of online meetings, a device, a medium, and a product, and belongs to the field of online meeting technologies. The method includes joining at least two online meetings using a same user account in an online meeting client; determining a presentation mode corresponding to each of the at least two online meetings, the presentation mode comprising at least one of a visual mode and an audio mode; and presenting meeting content of each online meeting, and no more than one of the at least two online meetings presenting in the audio mode.

Abstract: Provided are a dental implant with a nano bacteriostatic structure ring at a transgingival part and a machining method thereof. The transgingival part of the dental implant has a three-level micro-nano composite structure, and the three-level micro-nano composite structure endows a surface of the transgingival part of the implant with functions of promoting adhesion and proliferation of a gingival fibroblast and a gingival mesenchymal stem cell and inhibiting adhesion and growth of various oral bacteria. A preparation method thereof comprises: firstly, injecting bioactive, wear-resistant or corrosion-resistant C, N, Ca and P elements into the transgingival part of the dental implant by a plasma injection method; and then, preparing the three-level micro-nano composite structure at a part in which the elements are injected.

Abstract: A moisture-curable thermally conductive material is provided in a one-component dispensable form and curable in situ. The material is formed from a non-silicone resin and exhibits a thermal conductivity of at least 1.0 W/m*K to effectively dissipate thermal energy from an electronic component heat source. The material is dispensable from a single-component dispensing system and is stable in storage.

Abstract: A centralized hub system for improving automatic waste transport and collection using a self-driving robot, which allows for self-driving and efficient collection of waste in densely populated areas, such as apartment complexes and residential neighborhoods, and areas with a floating population by using robots with built-in artificial intelligence software and hardware and self-driving waste collection and driving functions and an integrated management server for monitoring these robots, and which helps to put information together in this process and use it as base data for the efficient operation of future waste policies and the corresponding systems. The centralized hub system for improving automatic waste transport and collection using a self-driving robot comprises self-driving inlet robots, an integrated management server, and a self-driving vehicle robot.

Abstract: Provided are a dental implant with a nano bacteriostatic structure ring at a transgingival part and a machining method thereof. The transgingival part of the dental implant has a three-level micro-nano composite structure, and the three-level micro-nano composite structure endows a surface of the transgingival part of the implant with functions of promoting adhesion and proliferation of a gingival fibroblast and a gingival mesenchymal stem cell and inhibiting adhesion and growth of various oral bacteria. A preparation method thereof comprises: firstly, injecting bioactive, wear-resistant or corrosion-resistant C, N, Ca and P elements into the transgingival part of the dental implant by a plasma injection method; and then, preparing the three-level micro-nano composite structure at a part in which the elements are injected.

Abstract: Provided are a medical material for promoting cell growth and inhibiting bacterial adhesion and a machining method thereof. The machining method comprises: modifying a surface component of the medical material; preparing a micro-nano structure formed by superposing multiple levels of sizes; and selecting one of the two steps above, or carrying out component modification on a surface of the medical material first and then forming the micro-nano structure by superposing the multiple levels of sizes. The micro-nano structure formed by superposing the multiple levels of sizes comprises a first-level structure which is a micron-level groove structure, a second-level structure which is a submicron-level stripe structure or an array protrusion structure and a third-level structure which is a nano-level protrusion structure, the second-level structure is distributed on a surface of the first-level structure, and the third-level structure is distributed on a surface of the second-level structure.

Abstract: A display apparatus includes display unit and an optical compensation film. The display unit includes an upper polarizer. The optical compensation film is located at a side of the upper polarizer facing an external environment. The optical compensation film includes a linear polarizer. An absolute value of an axial angle difference between the linear polarizer and the upper polarizer is in a range from 0 degrees to 10 degrees.