Abstract: A method for generating a virtual venue includes: constructing a three-dimensional virtual venue including a three-dimensional virtual sandbox and a virtual screening room, the three-dimensional virtual sandbox being a three-dimensional virtual environment in which a virtual object is located, and the virtual screening room for livestreaming a player controlling the virtual object to participate a current competition in the three-dimensional virtual sandbox; dynamically updating a location of the virtual object in the three-dimensional virtual sandbox based on an update to the current competition; generating a first livestreaming video of the virtual object participating the current competition in the three-dimensional virtual sandbox by capturing a three-dimensional field-of-view video of the virtual object in the three-dimensional virtual venue by using a first virtual camera; and playing the first livestreaming video in the virtual screening room and pushing the first livestreaming video to a terminal asso

Abstract: The present disclosure provides a method for determining content of olaflur in toothpaste by liquid chromatography-tandem mass spectrometry, comprising the following steps: obtaining to-be-tested toothpaste; dissolving the to-be-tested toothpaste in water and then adding methanol for dilution to obtain a to-be-tested solution; and placing the to-be-tested solution in a liquid chromatograph for determination under following chromatographic conditions: a C4 column; a mobile phase as a combination of phase A being methanol with 0.1% formic acid and phase B being acetonitrile, or a combination of phase A being methanol with 0.1% formic acid and phase B being water; and isocratic or gradient elution. The method can analyze the purity of organic olaflur in fluoride-containing anti-caries toothpaste and olaflur raw materials, and enables quantitative analysis of olaflur by an internal or internal standard method. Furthermore, the method can accurately and qualitatively identify olaflur through characteristic ions.

Abstract: A touch substrate, a display apparatus and a display system are provided. By rearranging and distributing transistors in each shift register, the number of transistors in a lateral direction is less than that of transistors in a longitudinal direction. That is a circuit structure of the shift register is designed to extend longitudinally, so that a size of the shift register in the lateral direction can be reduced, a narrow frame design is realized, and seamless splicing is favorably realized in a large-sized display panel.

Abstract: The present invention relates to novel small molecules Formula I and pharmaceutically acceptable salts thereof as well as the preparation and the use thereof to inhibit FGF13-1b.

Abstract: A light-emitting diode includes an epitaxial layer, including a first semiconductor layer, a light-emitting layer configured to emit light, and a second semiconductor layer sequentially stacked in that order, and has a first surface and a second surface opposite to each other; a first insulating reflective layer, disposed on the first surface of the epitaxial layer; and a second insulating reflective layer, disposed on the second surface of the epitaxial layer. Reflectivity of the first insulating reflective layer to light with a first incident angle is lower than reflectivity of the second insulating reflective layer to light with a third incident angle, the first incident angle is in a range of 0° to 10°, and the third incident angle is in a range of 0° to 10°. Therefore, a lateral light emission angle and an extreme light emission angle of the light-emitting diode can be improved, which meet market demand.

Abstract: The present disclosure is directed to a high-voltage magnetron sputtering tool with an enhanced power source including a vacuum chamber containing a magnetron cathode with a magnet array, a target, and an anode, as well as the enhanced power source that includes high-power DC power source and controller that produces a pulsed output. In an aspect, the enhanced power source may include a standard power source that is retrofitted a supplemental high-power DC power source and controller, and alternatively, a high-power DC power source and controller that replaces the standard power source. In addition, the present disclosure is directed to methods for depositing a hydrogen-free diamond-like carbon film on a semiconductor substrate using the high-voltage magnetron sputtering tool. In an aspect, the hydrogen-free diamond-like carbon film may be an etch mask having a sp3 carbon bonding that is greater than 60 percent.

Abstract: An automated multi-pass welding method is provided. An optical measuring instrument measures a welding space to obtain reference geometry information, and then the reference geometry information is inputted into an AI model to obtain control parameters that are used by a welding device and a robotic arm as operation settings to perform welding. The optical measuring instrument measures the welding space after the welding to obtain post-welding geometry information for a computerized control device to generate a classification result. When the computerized control device determines to form a next weld pass based on the classification result, the aforesaid actions are repeated until the computerized control device determines to stop welding.

Abstract: It discloses an apparatus and a method for treating oil-containing sludge, wherein, a pressurized chamber is the main structure, and a mixture of carbonic acid in water, iron-rich biochar and polyaspartic acid is sprayed in pulses by a nano-aeration device inside the pressurized chamber. The carbonic acid is decomposed into supercritical CO2 by the nano-aeration device, reducing the viscosity of petroleum hydrocarbons in the oil-containing sludge synergistically with the polyaspartic acid. The iron-rich biochar promotes dissolution of petroleum hydrocarbons from the oil-containing sludge, thus enhancing the drive-off ratio of oil phase, and improving the decomposition of residual oil organics. In the treatment of oil-containing sludge according to the present invention, high temperature retting of the separated sludge with bacterial bran increases the degree of humification of the sludge, the treated sludge contains petroleum hydrocarbon below 1%, and can be directly available to plants.

Abstract: Implementations of three-dimensional (3D) memory devices and fabricating methods thereof are disclosed. In some implementations, the disclosed 3D memory device comprises: a stack structure including a plurality of dielectric layers and conductive layers alternatively stacked in a vertical direction; an array of channel structures each vertically penetrating the stack structure, each channel structure including a functional layer and a channel layer; and a plurality of isolation structures extending in parallel along a first lateral direction and vertically in an upper portion of the stack structure, each isolation structure being in contact with the channel layers of two adjacent rows of channel structures.

Abstract: Provided is a display panel. The display panel includes: a first substrate and a second substrate disposed opposite to each other, and a liquid crystal layer disposed between the first substrate and the second substrate; wherein the first substrate comprises a first base substrate, a plurality of first signal lines and a plurality of second signal lines disposed on a side, close to the second substrate, of the first substrate; and the second substrate comprises a second base substrate, and a shielding layer disposed on a side, close to the first substrate, of the second base substrate.

Abstract: A light-emitting device includes a semiconductor epitaxial unit having a first surface and a second surface that are opposite to each other, and including a first semiconductor layer, an active layer, and a second semiconductor layer that are disposed sequentially in such order in a direction from the first surface to the second surface. The active layer includes a quantum well structure that has n periodic units, each of which includes a well layer and a barrier layer that are sequentially disposed. The second semiconductor layer includes a cladding layer and a current spreading layer. A ratio of a thickness of the current spreading layer to a current density of the light-emitting device ranges from 0.6 to 4. A light-emitting apparatus is also provided in the disclosure.

Abstract: An organic light emitting diode (OLED) display including: a substrate; an organic light emitting diode formed on the substrate; a metal oxide layer formed on the substrate and covering the organic light emitting diode; a first inorganic layer formed on the substrate and covering the organic light emitting diode; a second inorganic layer formed on the first inorganic layer and contacting the first inorganic layer at an edge of the second inorganic layer; an organic layer formed on the second inorganic layer and covering a relatively smaller area than the second inorganic layer; and a third inorganic layer formed on the organic layer, covering a relatively larger area than the organic layer, and contacting the first inorganic layer and the second inorganic layer at an edge of the third inorganic layer.

Abstract: This disclosure discloses a multiplayer somatosensory system, method, and apparatus combining virtual and reality, and a medium, which belongs to the field of human-computer interaction. The system includes: a computer device, and a simulation carrier, n simulation firearms and a display apparatus; where the simulation carrier includes a driver's seat and n passenger seats; the display apparatus is configured to display a virtual environment picture and n aiming points provided by the computer device; and the computer device is configured to control a virtual carrier to change a driving direction in the virtual environment; control the virtual carrier to change a driving speed in the virtual environment; and shoot a virtual object aimed at an ith aiming point in the virtual environment in response to a shooting operation on an ith simulation firearm in the n simulation firearms.

Abstract: The disclosure discloses a penetrating cushion damping device comprising a penetrator, and belongs to the field of in-situ penetrating exploration of extraterrestrial celestial bodies. A magnetic conductor encloses the non-penetrating end of the penetrator, a drag plate connected to the penetrator is provided at the lower end face of the magnetic conductor, and a magnetic source structure for generating magnetic force on the magnetic conductor is provided in the non-penetrating end of the penetrator. The disclosure utilizes the penetrating cushion anti-drag mode with the drag plate and the electromagnetic structure, which is self-adaptive to the flight penetration speed and compact in structure, reduces the jump probability, and further reduces the cushion resistance after the speed is reduced.

Abstract: A line-of-sight direction tracking method includes: providing corneal reflection for an eye of a user by using a plurality of light sources, and capturing images including a face of the user by using a plurality of cameras; determining coordinates of a light source reflection point and coordinates of a pupil center in a world coordinate system by means of a human eye feature set acquired from the images including the face, based on hardware calibration parameters; determining a line-of-sight optical axis according to the coordinates of the light source reflection point and the coordinates of the pupil center, and reconstructing, based on the line-of-sight optical axis, a line-of-sight visual axis by means of a compensation angle; and determining a point of sight on a target object according to the line-of-sight visual axis and a position of the target object in the world coordinate system.

Abstract: Disclosed is the use of dihydroporphin derived from chlorophyll as a plant growth regulator. Compared with the prior art, a class of new type plant growth regulators are provided; since the direct decomposition product of chlorophyll is used as a product, the preparation and processing thereof are easier, the structure is relatively simple, and tedious reactions and preparations such as further chemical coordination/chelation/purification are eliminated, so that the product is more environmentally friendly and safer; the product has a better solubility than the corresponding metal chelate and has a more convenient method of use, making it more convenient to be used in the fields; the stability of the product has been improved, with stable quality assurance and a longer shelf life; the product has a natural source and uses a low amount of same due to a low effective dosage, thereby improving the utilization rate of silkworm excrement resources.

Abstract: A method and apparatus are disclosed for efficient hybrid automatic repeat request (HARQ) process utilization for semi-persistent and dynamic data transmissions, wherein a reserved HARQ process identification (ID) can be reused. A subset of a plurality of HARQ process IDs is reserved to use for a semi-persistent allocation, and data is transmitted based on the semi-persistent allocation. A dynamic allocation is received via a physical downlink control channel (PDCCH). At least one of the reserved HARQ process IDs is selectively used for transmitting data based on the dynamic allocation.

Abstract: The present application relates to the technical field of wastewater treatment and rapid pollutant detection, in particular to a chitosan-polyacrylamide composite porous hydrogel, preparation and use thereof, and a metal ion-adsorbing and detecting reagent and method. The chitosan-polyacrylamide composite porous hydrogel of the present application is prepared by in situ polymerization of a chitosan sol, an acrylamide, a crosslinking agent and a surfactant into a mixed solution comprising liquid droplets, followed by steps of curing, washing, and freeze-drying. The present application further provides a metal ion-detecting reagent, which is obtained by adsorbing a color developing agent into the chitosan-polyacrylamide composite porous hydrogel as described above, wherein the color developing agent is a dye that changes color when encountering metal ions. The chitosan-polyacrylamide composite porous hydrogel of the present application has balanced mechanical properties and porosity.

Abstract: Provided are a heat shield and a Josephson junction array chip system, the heat shield includes a cryostat, a sensor group, a radiation shield plate, a clamp assembly, and a vacuum shield cover assembly; the cryostat includes a cold head, a first-stage chassis, and a second-stage chassis; the vacuum shield cover assembly includes a first vacuum shield cover, a second vacuum shield cover, and a heat shield aluminum oxide layer; and the cold head is located in the first vacuum shield cover; and the heat shield aluminum oxide layer is coated on a surface of at least one of the first vacuum shield cover or the second vacuum shield cover; the clamp assembly on the radiation shield plate is configured to fix the Josephson junction array chip; and the sensor group adjacent to the Josephson junction array chip is arranged on the radiation shield plate.