Abstract: An array substrate includes a substrate, a first metal layer disposed on the substrate, an insulating layer disposed on the first metal layer, and a second metal layer disposed on the insulating layer. The substrate includes a low-voltage area. One of the first metal layer and the second metal layer includes a plurality of low-voltage signal lines in the low-voltage area. The other one of the first metal layer and the second metal layer includes one or more third auxiliary traces in the low-voltage area. The insulating layer is provided with a plurality of pairs of conductive metalized holes. Each pair of the conductive metalized holes includes two conductive metalized holes electrically connecting two ends of a corresponding third auxiliary trace and two ends of a corresponding low-voltage signal line.

Abstract: The present disclosure provides a thermal-stress-pore pressure coupled electromagnetic loading triaxial Hopkinson bar system and test method, the system mainly consists of an electromagnetic pulse generation system, a servo-controlled axial pressure loading system, a servo-controlled confining pressure loading system, a thermal control system, a pore pressure loading system, a bar system, and a data monitoring and acquisition system. Based on the conventional Hopkinson bar, the present disclosure creatively introduces a real-time loading and control system for confining pressure, thermal, and pore pressure, aiming to solve the technical problem that the existing test apparatus cannot be used to study dynamic response of deep rock mass under the coupling effect of thermal-stress-pore pressure and dynamic disturbance during dynamic impact loading.

Abstract: The present invention provides a method for preparation of an enzyme-modified stevia sugar. The method includes the steps of adding a ?-fructosidase to a solution in which a stevia sugar raw material and sucrose are dissolved to obtain a reaction solution, adjusting the pH of the reaction solution to be 5.0-8.0, maintaining a reaction temperature at 20-45° C., and after a reaction with stirring, collecting the enzyme-modified stevia sugar. The stevia sugar raw material includes one or more of stevioside and rebaudioside A, and the ?-fructosidase is derived from Microbacterium saccharophilum or Aspergillus japonicus. The preparation method takes a short time, is efficient and convenient to operate, low in cost, high in conversion rate, green and environmentally friendly, and can be widely applied to industrial scale production. The present invention further provides an enzyme for preparation of the enzyme-modified stevia sugar and application thereof.

Abstract: An intelligent cleaning robot comprises a housing, an optical module, a pickup module, a central processing module, and a drive module. The housing defines light transmission holes for the optical module, which comprise an infrared light source, a complex light source, a structure light lens to receive reflected infrared light through the holes to form a three-dimensional image, and a color lens to receive reflected light through the holes to form a color image. The central processing module can receive the three-dimensional image and the color image and form an image of an environment. The pickup module can be controlled to pick up garbage and objects in the environment according to the image of an environment, and the robot can be controlled to move on land or in water.

Abstract: A movable lifting bracket relates to a field of lifting bracket and includes bearing frames, a main frame, and a mobile frame arranged on a lower portion of the main frame. Universal wheels and directional wheels are arranged on a lower portion of the movable frame. Adjusting sleeves are arranged on upper ends of the movable frame. First through holes are on an outer side of each of the adjusting sleeves. Lower ends of the main frame are inserted into the adjusting sleeves. A first limit pin is arranged on the outer side of each of the adjusting sleeves; A pressing frame is arranged on the main frame.

Abstract: A wireless charger, charging assembly, matching assembly and bracket for electric equipment, including: cold conduction plate, power interface, wireless charging module, semiconductor cooling sheet and heat dissipation module; power interface couples with wireless charging module and semiconductor cooling sheet respectively; cold conduction plate includes first and second cold conduction surface, first cold conduction surface sticks to electronic equipment, second cold conduction surface covers semiconductor cooling sheet; when powered on, wireless charging module charges electronic equipment, semiconductor cooling sheet cools down electronic equipment, heat dissipation module dissipates heat from semiconductor cooling sheet.

Abstract: The present invention discloses a patterned perovskite film, a preparation method thereof, and a display device. The method includes mixing a perovskite precursor and a photo-initiated polymer monomer, and realizing polymerization of a part of a predetermined area under shielding of a photomask, that is, the formed perovskite crystals are encapsulated by the formed polymer with formation of the patterned perovskite film.

Abstract: A lens assembly includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens. The first lens is with negative refractive power. The second lens is with negative refractive power. The third and fourth lenses are with positive refractive power. The fifth lens is with negative refractive power. The sixth lens is with positive refractive power. The first lens, the second lens, the third lens, the fourth lens, the fifth lens, and the sixth lens are arranged in order from an object side to an image side along an optical axis. The lens assembly satisfies: 4.9?TTL/f?11.5; wherein TTL is an interval from an object side surface of the first lens to an image plane along the optical axis and f is an effective focal length of the lens assembly.

Abstract: An intelligent drying method and an ultraviolet sterilization container are applied to an ultraviolet sterilization container for drying a sterilized article, the method comprising: that the sterilization container sequentially executes the following steps after receiving a drying instruction: releasing hot air to an article storage cavity; when an initial drying time is reached, collecting the intracavity temperature of the article storage cavity; automatically obtaining an extended drying time corresponding to the intracavity temperature of the article storage cavity; and continuously releasing hot air to the article storage cavity until the extended drying time is reached. The ultraviolet sterilization container includes: an article storage cavity, a heating air duct, a microprocessor, and a memory storing a computer readable program executable by the microprocessor. When the computer readable program is executed by the microprocessor, the sterilization container performs the above steps.

Abstract: The present disclosure relates to an active neutral-point clamped (ANPC) three-level converter, and a method and controller for controlling thereof. The ANPC three-level converter includes at least one bridge leg, and a controller. Each of the at least one bridge leg includes multiple input terminals, an output terminal, and multiple switches connected between the multiple input terminals and the output terminal. The multiple input terminals include a first input terminal, a second input terminal, and a third input terminal. The multiple switches include a first external switch, a first internal switch, a first clamp switch, a second external switch, a second internal switch, and a second clamp switch. The method for controlling the NPC three-level converter includes a method for controlling the ANPC three-level converter to stop operating, and a method for controlling the ANPC three-level converter to start to operate.

Abstract: A method for retrieving an audio file includes: collecting an audio segment in real time; and for every two chronologically adjacent audio frames in a plurality of audio frames of the audio segment, acquiring a difference value between spectral centroids of a sub-band corresponding to the two audio frames, to obtain a plurality of difference values; and obtaining an audio fingerprint corresponding to the two audio frames based on the plurality of difference values. A quantity of the plurality of difference values equaling a quantity of sub-bands of one of the two audio frames. Each bit of the audio fingerprint being determined based on a comparison between a difference value corresponding to the bit and a preset difference value threshold. The method also includes retrieving, in an audio file library based on audio fingerprints of the plurality of audio frames, a target audio file matching the audio segment.

Abstract: The present invention provides a 3D atomizing heating component comprising a plate body having upper and lower surfaces, the plate body providing a plurality of 3D heating units for guiding, heating and atomizing the e-liquid. The 3D heating units have a through hole in the plate body and guide channels distributed regularly at the periphery of the through hole, which runs through the upper and lower surfaces of the plate body. The guide channels are recessed from the surface of the plate body and communicate with the through hole. The guide channels of the adjacent 3D heating units are connected with each other on the surface of the plate body, and the plurality of 3D heating units form a regular pattern on the surface of the plate body. The components provided improve the taste and user experience. Manufacturing is easy, facilitating the mass and mechanical production.

Abstract: An in-ear headphone includes a shell, a speaker, a circuit board, and a sensing structure. The shell has an accommodating space. The speaker is disposed in the accommodating space. The circuit board is disposed in the accommodating space, and the circuit board is electrically connected to the speaker. A sensing chip is disposed on the circuit board. The sensing structure includes a sensing member and a transmission member. The sensing member protrudes from a front end of the shell and has a conductor. The sensing member is electrically connected to the sensing chip by the transmission member. A material of the sensing member is different from a material of the shell.