Abstract: A method for eliminating jamming by OAM mode quadratic coordination is disclosed, including: a transmitter selecting a primary OAM mode and secondary OAM modes; based on a group of keys and real-time time self-defined by the transmitter and the receiver respectively, generating via the transmitter, a mode quadratic collaborative transformation sequence, and based on a mode quadratic collaborative transformation sequence, dividing input binary information bits into OAM mode index information bits and signal modulation bits, and jointly designing a position distribution of their bits in an information frame structure; determining via the transmitter, G quadratic collaborative transformation OAM modes carrying constellation point symbols activated at each hop, loading them onto each array element of an antenna to obtain G mutually orthogonal OAM mode quadratic collaborative transformation signals y, transmitting the G mutually orthogonal OAM mode quadratic collaborative transformation signals y to the receiver.

Abstract: An edible pet chew includes an artificial dehydrated-pizzle component imitating traditional dehydrated-pizzle (or bully stick), which may include a tapered head part at an end. In some embodiments, the artificial dehydrated-pizzle component is formed by injection molding process and is formed from a composite material. In some embodiments, the composite material includes at least 20% plant ingredient in formula. In some embodiments, the artificial dehydrated-pizzle component has a groove running on the surface.

Abstract: A pet travel carrier includes an upper box, a lower box, and a base. The upper box and the lower box are detachably fixed and connected by a box fixing and connecting structure to form a hollow travel carrier body. The lower box and the base are detachably connected by a base connecting structure to form a travel carrier bottom structure. A door is arranged to extend through a side of the upper box and a side of the lower box. A tray which is removable is arranged on the base. A perforated plate is arranged at a lower part of the lower box exactly facing the tray. Rollers are arranged at a lower part of the base. The use of the tenon and mortise structure in combination with connectors makes the pet travel carrier of the present disclosure easy to assemble and firm.

Abstract: The invention discloses a preparation method of silicon-carbon composite negative electrode material, relates to the field of negative electrode materials preparation The method includes the following steps: mixing starch with water, and carrying out stirring, dispersing, cooling and standing; soaking a mixture in an ethanol solution and absolute ethyl alcohol, collecting a white solid, performing supercritical drying, crushing, then mixing the solid with a carbon source, keeping the temperature at 180-300° C., 450-600° C., and then 1000-1200° C., carrying out cooling to room temperature, and mixing a carbonized material with a graphite negative electrode material. According to the invention, the elastic material is used to improve electric conduction and achieve lithium storage. When it is filled between the coating layer and the silicon material, good conductivity is kept, effects of silicon can be used, and the defects of silicon can be avoided at the same time.

Abstract: The application discloses a vertical continuous graphitization furnace According to this application, the electrode positive pole is located at a center of a furnace body, several graphite electrode negative poles are horizontally and axially symmetrically distributed with the electrode positive pole at the center of a heating chamber; the inner end of several graphite electrode negative poles and the arc-shaped inner wall of the heating chamber are on the same arc surface; the lower end surface of the electrode positive pole is in the same horizontal plane as the lower surface of multiple graphite electrode negative poles; the longitudinal cross-section of the heating chamber is in an inverted trapezoidal shape. This graphite furnace has the advantages of uniform temperature distribution in the high-temperature heating zone, which can ensure material consistency, temperature controllability, smooth exhaust and impurity removal, and the ability to prepare high-purity artificial graphite materials.

Abstract: A convenient pet brush for hair removal includes a handle, a housing, and a brush assembly. The housing is arranged at a lower end of the handle. The brush assembly is arranged inside the housing. A bayonet shrinking inward is provided on a first side of the housing. A front fixing ring is arranged on an inner side of the bayonet. A rear fixing ring is arranged on a second side of the housing. The brush assembly is mounted inside the housing through the front fixing ring and the rear fixing ring. The brush assembly includes a comb head, a push plate, and a spring. The comb head is fixedly mounted in the front fixing ring. The push plate is slidably mounted between the front fixing ring and the comb head. A hair pushing ring is provided at a first end of the push plate.

Abstract: A compensation circuit includes at least one driving unit, each the driving unit includes a first response switch and a storage capacitor, a first end of the first response switch is connected to a light emitting unit, and a second end of the first response switch is connected to a power supply; the storage capacitor has a first electrode plate and a second electrode plate opposite to the first electrode plate, the first electrode plate is connected to a control end of the first response switch, the second electrode plate is connected to a second end of the first response switch, the compensation circuit further includes a subtractor provided with a first detection port, a second detection port and an output port, and a controller provided with a receiving port and a feedback port.

Abstract: Disclosed are a display drive circuit, a display drive method and a display panel. This solution adjusts enabling time of a first drive unit and a second drive unit based on light-emitting brightness of a first display unit and light-emitting brightness of a second display unit which are detected by a display detection unit, and the service lives of the first display unit and the second display unit are effectively prolonged.

Abstract: Embodiments of this application provide a virtual map switching method performed by a computer device. The method includes: receiving a map switching request transmitted by a client, the map switching request instructing to switch the client from a first map corresponding to a first map server to a second map corresponding to a second map server; transmitting session data and character data to the second map server in response to the map switching request, the session data instructing the second map server to create a session with the client, and the character data instructing the second map server to create a virtual character in the second map; and transmitting a second map switching response to the client, the second map switching response instructing the client to perform the session with the second map server to control the virtual character in the second map.

Abstract: The present application discloses a display panel driving method and a display panel thereof. The display panel driving method includes: a timing control chip performs initial configurations; the timing control chip generates a control signal; and an output enable circuit receives the control signal to control picture display of a display panel.

Abstract: A timed calling type pet feeder capable of preventing mistaken touch includes a bottom shell. A feeding tray matching with the bottom shell and embedded in the bottom shell is arranged on the bottom shell. N food storage boxes are uniformly arranged on the feeding tray along a circumferential direction in a sunken manner. The N is a positive integer greater than or equal to 3. A sealing cover configured to seal N?1 food storage boxes is arranged on the bottom shell. A rotating mechanism configured to drive the sealing cover to rotate, a control module configured to drive the rotating mechanism to operate, and an appetite stimulating module configured to cooperate with the control module to implement interaction are arranged in a center of the bottom shell. The control module includes a printed circuit board (PCB). The PCB is programmed with a timing module, a key module, and a display module.

Abstract: A backlight regulating circuit includes a first dimming circuit, a second dimming circuit and a selecting circuit, where the first dimming circuit is configured to conduct a PWM signal line and a driving chip in response to a signal of the scanning signal line; the second dimming circuit is configured to conduct a DC signal line and the driving chip in response to the signal of the scanning signal line; the first dimming circuit and the second dimming circuit are connected to the scanning signal line through the selecting circuit; and the selecting circuit is configured to proportionally distribute the signal of the scanning signal line to the first dimming circuit and the second dimming circuit in response to a control signal dynamically output by a control signal line according to an image.

Abstract: An automatic pet feeder includes a food container, a feeder body, and a bottom shell in sequence from top to bottom. A food-container bottom shell in communication with the food container is arranged at a bottom of the food container, and a bottom of the food-container bottom shell is a food supply passage having a gradually narrowing opening. A food releasing assembly is arranged on a side of the food supply passage, and a sliding passage for reciprocating movement of the food releasing assembly is arranged on a sidewall of the food-container bottom shell. A feeder main shell is arranged below the food supply passage, and a food exit assembly is arranged inside the feeder main shell. The food exit assembly includes a food pushing member matching with a food outlet and configured to move in a reciprocating manner below the food supply passage.

Abstract: The application discloses a processing method for graphite acid purification wastewater which comprises processing steps of neutralization and precipitation preprocessing, supernatant electrically distilling and vaporizing, electric energy recycling, condensate recycling and vaporization residue regularly discharging. The processing method performs neutralization and precipitation preprocessing to obtain neutralized supernatant, pumps the supernatant into an electric distiller to be vaporized and obtain electric energy for recycling through steam turbine, and acquires vaporization condensate by residual heat exchange. The vaporization condensate reaches the standard of graphite acid purification impurities such as fluorine, chlorine, aluminum, silicon, iron, magnesium, copper, and zinc and the wastewater discharge standard. The steam heat energy can be recycled and transformed into electric energy to save processing cost.