Abstract: The present disclosure is applied to the field of laser processing technologies, and provides a laser processing method, an apparatus, a device, a processing device, and a storage medium. The laser processing method includes: focusing first laser inside a workpiece to form one or more modified traces inside the workpiece; and irradiating the modified traces with second laser to form absorption traces, so as to enable crack generation inside the workpiece. Absorptance to the second laser in the modified traces is greater than absorptance to the second laser in a region outside the modified traces.

Abstract: Embodiments of this application provide a screen sharing method and a related device. The method may be applied to a first system. The first system includes a first device, a second device, and a third device. The first device communicates with the second device through a first connection, and the first device communicates with the third device through a second connection. The first connection is different from the second connection. The method includes: The first device receives a first operation, where the first operation is used to trigger sharing of a first interface. The second device displays the first interface, and the third device displays the first interface. The first device displays a second interface, where the first interface is different from the second interface.

Abstract: A lidar light source includes an array of edge-emitting lasers (EELs) and a cylindrical lens. Each of the EELs includes an active region. Light emitting ports of the plurality of active regions are disposed adjacent to each other. The plurality of active regions share a cathode and include separate anodes, or share an anode and include separate cathodes. The cylindrical lens is configured to collimate light beams emitted from the array of EELs in a fast axis direction, and fuse the light beams emitted through the light emitting ports into a uniform light beam on a target surface.

Abstract: Systems and methods for enabling voice-based interactions with electronic devices can include a data processing system maintaining a plurality of device action data sets and a respective identifier for each device action data set. The data processing system can receive, from an electronic device, an audio signal representing a voice query and an identifier. The data processing system can identify, using the identifier, a device action data set. The data processing system can identify a device action from device action data set based on content of the audio signal. The data processing system can then identify, from the device action dataset, a command associated with the device action and send the command to the for execution device for execution.

Abstract: A method and an apparatus for measuring a laser linewidth based on digital decoherence are provided, which are applicable to the technical field of laser linewidth measurement. The method includes: acquiring a first delayed beam and a first reference beam from a laser under test; performing digital decoherence at least based on the first delayed beam and the first reference beam to determine a frequency noise power spectral density of the laser under test; and determining the laser linewidth of the laser under test based on the frequency noise power spectral density.

Abstract: Disclosed is a non-oriented electrical steel sheet with low magnetic anisotropy, which comprises the following chemical elements in mass percentage: 0<C?0.005%; Si: 2.0-3.5%; Mn: 0.1-2.0%; at least one of Sn and Sb: 0.003-0.2%; Al: 0.2-1.8%; the balance being Fe and inevitable impurities. Further disclosed is a manufacturing method for the above non-oriented electrical steel sheet with low magnetic anisotropy, which includes the following steps: (1) smelting and casting; (2) hot rolling; (3) normalizing; (4) cold rolling; (5) continuous annealing: rapidly heating a cold-rolled steel sheet from an initial temperature of 350° C.-750° C. to a soaking temperature at a heating rate of 50-800° C./s, and performing soaking and heat preservation; and (6) applying an insulating coating to obtain a finished non-oriented electrical steel sheet. The non-oriented electrical steel sheet is characterized by low iron loss and low magnetic anisotropy at high frequency.

Abstract: The disclosure relates to a permanent magnet-electromagnet hybrid array type magnetorheological polishing device, comprising a polishing mechanism, a main excitation device arranged on the polishing mechanism, and auxiliary permanent magnet sets used for driving magnetorheological liquid to be recycled. The main excitation device is a permanent magnet-electromagnet hybrid array comprising main excitation permanent magnets and fine-adjustment electromagnetic excitation devices connected with the main excitation permanent magnets. Each fine-adjustment electromagnetic excitation device comprises a coil and a coil retaining pile. The main excitation device further comprises a permanent magnet-electromagnet device connecting plate made from a non-magnetically conductive material.

Abstract: A carbon composite ceramic linear resistor and a preparation method thereof are provided. The preparation method includes the following steps. Bentonite, silicon carbide and nano carbon black are mixed to obtain a powder mixture. The powder mixture and ethyl alcohol are mixed uniformly, and dried to obtain a uniformly mixed powder. A binder solution is added to the uniformly mixed powder to obtain a mixture. The green body obtained by die-pressing is heated to a temperature ranging from 1150 Celsius degrees (° C.) to 1300° C. in a nitrogen-containing gas atmosphere, and the temperature is kept to obtain a sample. The sample is ground to obtain a ground sample. Then aluminum is sprayed on the ground sample to obtain the carbon composite ceramic linear resistor. The preparation method can be used to reduce electrical resistivity and increase thermal shock resistance of the carbon composite ceramic linear resistor.

Abstract: A product, a method of producing and a method of using are disclosed. The product comprises attapulgite that has been thermally activated. The product may have a permeability in oil in the range of 0.04-3 darcy and may have a surface area of 45-140 m2/g. The method of producing may comprise thermally activating a material that includes attapulgite by heating the material at a temperature in the range of 300 to 900° C. The method of decolorizing may include contacting for a contact time an oil with the bleaching clay product that comprises attapulgite that has been thermally activated, and separating the bleaching clay product from the oil to recover a decolorized oil that has a lower red color than the oil had prior to the contacting, and removing phosphorus and metals for hydrotreated vegetable oil (HVO)/renewable diesel feedstock pretreatment.

Abstract: The present invention belongs to the technical field of structural vibration control, and discloses a semi-active tuned mass damper with adjustable stiffness and adjustable damping. By connecting an adjustable damping element in parallel with an elastic element to form an elastic-damping combined component and then connecting the elastic-damping combined component in series with another elastic element, real-time and continuous adjustment of the equivalent stiffness of a TMD is achieved. Equivalent damping can be adjusted through the adjustable damping element. The damping element can be a magnetorheological damper or a controllable liquid viscous damper, and an output damping force can be changed respectively by applying a current or adjusting the permeability of a piston. The present invention has a wide adjustment range, a fast response, a low energy consumption, and can adapt to the changes in the natural frequency of a structure and the control requirements of multi-modal vibration.

Abstract: A display substrate includes a base substrate, a first light-shielding layer, a plurality of first sub-pixels and a first power line. The first light-shielding layer is disposed on a side of the base substrate, the first light-shielding layer is located at least in a first display area, and has a plurality of openings arranged in an array. The first sub-pixels are disposed at a side of the first light-shielding layer away from the base substrate and are located in the first display area, and orthogonal projections of the first sub-pixels on the base substrate are non-overlapping with orthogonal projections of the openings on the base substrate. The first power line includes a first power bus and a plurality of first power sub-lines, and the first light-shielding layer is electrically connected to the first power line.

Abstract: Implementations of the present disclosure relate to a system comprising an access point (AP) and a USB device operating at the same frequency as the AP. The USB device may modulate a plurality of time-sensitive signals into a current pulse amplitude modulation (PAM) signal, and a plurality of different amplitudes in the current PAM signal is associated with occurrence of high level of a plurality of different combinations of time-sensitive signals in the plurality of time-sensitive signals. That is to say, when high level occurs in different numbers of time-sensitive signals, the modulated current PAM signal will have different power levels. Accordingly, the AP comprises a decoder for demodulating the current PAM signal to obtain a digital signal representing one or more time-sensitive signals transmitted from the USB device to the AP, thereby enabling the transmission of multiple time-sensitive signals from the USB device to the AP.

Abstract: Various embodiments for AI-based systems and methods for engineering ionizable lipids for lipid nanoparticle (LNP)-based cargo molecule delivery are disclosed herein.

Abstract: The present invention discloses a non-oriented electrical steel plate with high magnetic induction, in addition to Fe and inevitable impurities, the steel plate further comprising the following chemical elements in percentage by mass: C?0.003%, Si: 1.2-3.0%, Mn: 0.1-0.6%, P: 0.01-0.15%, Al: 0.1-0.4%, Ni: 0.05-1.0%, satisfying Si+Al: 1.30-3.20%; and does not comprise Sn and Sb. In addition, the present invention discloses a manufacturing method of the above non-oriented electrical steel plate with high magnetic induction, comprising the steps of: (1) smelting and casting; (2) heating, rough rolling, finish rolling and coiling: wherein a thickness of an intermediate slab after rough rolling is 20-45 mm, a thickness of a plate after finish rolling is 1.2-2.0 mm; after coiling, an aging treatment of 1-4 h is carried out in the range of 550-650° C. during the temperature reduction process; (3) pickling; (4) single cold rolling; (5) continuous annealing; (6) applying an insulating coating.

Abstract: A variation of a method for serving interactive content includes: inserting a parent card into a visual element; inserting a set of child cards over the parent card in the visual element, each child card including advertising content related to the parent card; in response to a swipe over the visual element following insertion of the visual element into a document rendered on a display, indexing through the set of child cards rendered over the parent card; in response to selection of a child card, triggering the computing device to open an expanded window over the document; rendering expanded variants of child cards within the expanded window; in response to a swipe over the expanded window, indexing through expanded variants of the set of child cards rendered; and, in response to selection of an expanded variant of a particular child card, triggering the computing device to navigate to an external document associated with the particular child card.

Abstract: An air treatment device includes a mounting plate and an air guide shroud. The mounting plate is provided with a mounting portion. The air guide shroud includes an arcuate plate, a first air guide plate and a second air guide plate. The arcuate plate surrounds the mounting portion and is disposed on the mounting plate. The first air guide plate is connected to one end of the arcuate plate, the second air guide plate is connected to the other end of the arcuate plate, and an air guide channel is formed between the first air guide plate and the second air guide plate. Along an air guiding direction of the air guide channel, the second air guide plate extends away from the first air guide plate. An arc-shaped air guide portion is disposed between the arcuate plate and the second air guide plate.

Abstract: A driving circuit, a driving method and a display device are provided, which relate to the field of display technology. The driving circuit is used to drive a source driving circuit, and the driving circuit includes: a power switching sub-circuit, electrically connected to a touch power terminal and a display power terminal, where the power switching sub-circuit is configured to output a touch power signal from the touch power terminal or a display power signal from the display power terminal based on a signal output state of the touch power terminal and a signal output state of the display power terminal; and a power control sub-circuit, electrically connected to the power switching sub-circuit and the source driving circuit, where the power control sub-circuit is configured to output a source power signal to the source driving circuit under the drive of the touch power signal or the display power signal.