Abstract: A device and a method for early monitoring of gas intrusion based on pressure wave propagation are provided in the present disclosure. The technical solution is as follows. The lower end of the liquid storage tank is connected to the simulated wellbore through a liquid injection pipeline, a centrifugal pump, a pressure-stabilizing water tank, and a mass flowmeter. One end of the gas storage tank is connected to a screw air compressor, while the other end is connected to the simulated wellbore through an injection pipeline and a micro-orifice flowmeter. The gas-liquid mixer is provided at the upper end of the simulated wellbore, with the pressure-disturbing device connected below it. Multiple pressure sensors are provided at the middle of the simulated wellbore and connected to the computer via wires and an oscilloscope.

Abstract: An application interface display method includes, when an electronic device detects a first user operation of scaling an application interface, a system display pixel density is generated corresponding to the first user operation, where the system display pixel density is not a system display pixel density set by a current system. A change of a system configuration triggers an update of an application setting. After the system display pixel density dispatched by the first user operation is obtained, a first application loads a corresponding application resource and displays an upscale or downscale application interface.

Abstract: A projection display method and an electronic device provide a source end device configured to project for display a first display interface of a first application onto a first window of a target device and to synchronously project for display on a second window of the target device a second display interface of a second application. When the source end device detects a call event, the source end device may provide a call interface for the call event and, upon the occurrence of predetermined conditions, terminate display of the call interface of the call event and optionally display a preset image to block display of all or part of the call interface.

Abstract: A system and method for growing a large-size compound semiconductor single crystal belong to the field of single crystal preparation, in particular to a system and method for preparing a large-size, especially ultra-long compound semiconductor single crystal. The large-size single crystal growth system includes a crystal growth space control device and a raw material injection device within a furnace body. The raw materials are injected in the raw material synthesis and crystal growth processes, and the growth space is adjusted according to the length of the single crystal. Due to the existence of multiple times of necking treatment, it can reduce the thermal stress of the crystal itself, to prevent breakage as the crystal grows too long, while substantially reducing the generation of defects and the extension of the original defects during the multiple growth processes; and such structure can be free from the limitation of the size of high-pressure preparation apparatuses.

Abstract: A purification apparatus and purification method of a non-metallic semiconductor material relate to the field of preparation of high-purity materials, and are especially applicable to preparation of high-purity non-metal materials, in particular to an apparatus and method for purifying a non-metallic semiconductor material by means of a metal melt. The apparatus includes a furnace body, a pressure balance valve, a crucible disposed in the middle of the lower part of the furnace body, a heating and supporting structure for the crucible, a liftable injection mechanism disposed right above the crucible, and a liftable and rotatable recovery mechanism disposed next to the liftable injection mechanism. The method is completed based on the purification apparatus, and includes: injecting the gasified non-metal material into the metal melt under a high pressure environment; reducing the ambient pressure, and collecting the bubbles volatilized from the metal melt to obtain the purified non-metal material.

Abstract: A preparation device and method of semi-insulated indium phosphide belong to the field of crystal preparation. The preparation device includes a furnace body, and a crucible, an injector and an in-situ annealing device within the furnace body. The method includes: A, heating indium to form an indium melt; B, filling the furnace body with hydrogen of 0.02-0.3 MPa and holding the pressure for 1-5 hours, and covering the surface of the melt with liquid boron oxide; C, filling the furnace body with an inert gas of 6-15 MPa; D, injecting a phosphorus gas into the indium melt by the injector; E, growing a crystal; and F, annealing the crystal within the in-situ annealing device.

Abstract: The embodiments of the present disclosure provide a medical device, a method and a system for monitoring the medical device. The method may include obtaining a plurality of first images of a scanning room acquired by a first monitoring device arranged in the scanning room; obtaining an analysis result by analyzing the plurality of first images; and controlling the medical device based on the analysis result, the medical device including an examination table. A control mode of the medical device may include at least one of controlling the medical device to adjust a height of the examination table, controlling the medical device to send an object to a target position, or controlling a running state of the medical device.

Abstract: The present invention discloses a method for preparing a compound semiconductor crystal by continuous LEC and VGF combination after injection synthesis, including: step A, vacuuming a system for preparing compounds and filling the system with an inert gas; step B, heating to melt the metallic raw material and boron oxide I in a synthesis crucible; step C, heating to melt boron oxide II, and moving the synthesis injection system downwards to move the end of the injection synthesis tube until the metallic raw material in the crucible is synthesized into a first melt; step D, slowly reducing the pressure inside the VGF crucible so that the first melt enters the VGF crucible to form a second melt; etc. In the present invention, the upper part is a VGF growth part and the lower part is a synthesis part; the synthesis part entering the VGF growth part by reverse sucking, while the VGF growth part is configured with a seed crystal rod and an observation system, and also can be subjected to gas control.

Abstract: The computing system trains an end-to-end (E2E) automatic speech recognition (ASR) model, using a transformer-transducer-based deep neural network that comprises a transformer encoder network and a transducer predictor network. The E2E ASR model is trained to have one or more adjustable hyperparameters that are configured to dynamically adjust an efficiency or a performance of the E2E ASR model when the E2E ASR model is deployed onto a device or executed by the device, by identifying one or more conditions of the device associated with computational power of the device and setting at least one of the one or more adjustable hyperparameters based on one or more conditions of the device.

Abstract: The disclosure provides an evaporative cooling logic control method and apparatus of an inductive vibration device. The method includes the following steps: S1, starting a vibration device, and acquiring data; and S2, displaying an effective output current by a power amplifier, and judging whether the effective output current is larger than 600 amperes or not. The method has the beneficial effects that a spray auxiliary cooling mode of the inductive vibration device, which is adjusted by the logic control method of the disclosure, has simple structure and reliable function, the phenomenon of insufficient induced draft and heat dissipation capacity of the prior fan of the moving coil induction ring can be effectively solved, the radial expansion can be reduced, and the method is especially suitable for heat dissipation of the moving coil induction ring of the inductive vibration device with large moving coil induction ring current and large.

Abstract: Provided are a sterilization module and an air purifier, which are applied in the field of air sterilization. The sterilization module is applied in the air purifier. The sterilization module includes a frame, a plurality of wave-shaped plates, and at least one sterilizing lamp. The frame is provided with a channel running through the frame from one end to another end. The plurality of wave-shaped plates are arranged at intervals in the channel, where each of the plurality of wave-shaped plates is bent alternately from the one end to the another end of the frame, so as to form an air duct that is wave-shaped between two adjacent wave-shaped plates. The at least one sterilizing lamp is disposed on the wave-shaped plate and used to emit ultraviolet (UV) light towards the air duct.

Abstract: The present disclosure provides a method and a system for acquiring seismic data of a four-component ocean bottom node (OBN). The method is implemented by the system, comprising controlling installations of a plurality of ocean bottom submerged buoys and a plurality of four-component OBN seismic data acquisition instruments and sending positioning signals and timing signals to the plurality of ocean bottom submerged buoys through armored opto-electronic composite cables. The method also includes obtaining real-time and uninterrupted water temperature data, pressure data, density data, and salt saturation data along the armored opto-electronic composite cables from the ocean surface to locations of the plurality of ocean bottom submerged buoys, and calculating real-time and three-dimensional data of waters of a whole measurement work area through interpolation.

Abstract: A computer-implemented method and system for navigation and display of 3D image data is described. In the method, a 3D image dataset to be displayed is retrieved and a highlight position is identified within the 3D image dataset. A scalar opacity map is calculated for the 3D image dataset, the opacity map having a value for each of a plurality of positions in the 3D image dataset, the respective value being dependent on the respective position relative to the highlight position, and on the value of the 3D image at the respective position relative to the value of the 3D image at the highlight position. The opacity is applied to the 3D image dataset to generate a modified 3D image view.

Abstract: The present invention relates to surgical devices, particularly to a circumcision equipment, enable the circumcision equipment to be suitable for different surgery objects and environments.

Abstract: An ultraviolet sterilization lamp structure relates to the technical field of disinfection and sterilization, comprising: a lamp board; an ultraviolet lamp connected to the lamp board, a light source convex lens arranged on a positive side of the ultraviolet lamp, and a strip-shaped convex lens laterally arranged on an outer side of the light source convex lens. With the above technical solution, the ultraviolet light is optically zoomed twice through the light source convex lens and the strip-shaped convex lens to achieve an effect of vertical concentration and horizontal diffusion, ensuring that the horizontal angle of the irradiation is large and the vertical angle is small, avoiding the exposure to the personnel activity area, so that the personnel do not have to leave the room when sterilizing, thereby embodying the coexistence of man and machine and improving the immediacy and practicality of ultraviolet air sterilizing.

Abstract: A projection display method and an electronic device provide a source end device configured to project for display a first display interface of a first application onto a first window of a target device and to synchronously project for display on a second window of the target device a second display interface of a second application. When the source end device detects a call event, the source end device may provide a call interface for the call event and, upon the occurrence of predetermined conditions, terminate display of the call interface of the call event and optionally display a preset image to block display of all or part of the call interface.

Abstract: The present disclosure provides a method and a system for acquiring seismic data of a four-component ocean bottom node (OBN). The method is implemented by the system, comprising controlling installations of a plurality of ocean bottom submerged buoys and a plurality of four-component OBN seismic data acquisition instruments and sending positioning signals and timing signals to the plurality of ocean bottom submerged buoys through armored opto-electronic composite cables. The method also includes obtaining real-time and uninterrupted water temperature data, pressure data, density data, and salt saturation data along the armored opto-electronic composite cables from the ocean surface to locations of the plurality of ocean bottom submerged buoys, and calculating real-time and three-dimensional data of waters of a whole measurement work area through interpolation.

Abstract: A display method includes an electronic device that runs a first application and displays a first interface in a form of a floating window in response to a first operation. The first interface includes a first title bar and a first content display part. The electronic device displays a second interface in response to a second operation. The second interface includes the first title bar, the first content display part, and a second content display part adjacent to the first content display part. The first title bar includes a first subtitle label corresponding to the second content display part.

Abstract: A communication system includes a first electronic device and a second electronic device. A communication connection is established between the first electronic device and the second electronic device. A method includes: The second electronic device displays a plurality of windows, where a second application is a focus application of the first electronic device. The first electronic device detects a first focus switching event, and switches the focus application from the second application to a third application. The second electronic device sets a third window as a focus window, where the third window is a window displaying a user interface of the third application.