Abstract: An inverter apparatus and a control method thereof. The inverter apparatus includes a direct current bus, a bus capacitor, an inverter bridge arm, a filter circuit, a switch unit, and a controller. The inverter bridge arm is connected to a positive direct current bus and a negative direct current bus, and the filter circuit is connected between the inverter bridge arm and a user load. In a working scenario in which the inverter apparatus switches between on-grid operation and off-grid operation, when the working scenario is on-grid operation and off-grid operation with a balanced load, an inverter uses a common-mode injection modulation mode; and when the working scenario is off-grid operation with an unbalanced, the inverter uses a common SPWM modulation mode. The embodiments are implemented to improve working efficiency of the inverter in more working scenarios, and the implementation is simple, stable, reliable, and load-friendly.

Abstract: A photovoltaic power generation system includes a plurality of photovoltaic modules, a plurality of optimizers, and an inverter. Each optimizer is connected to at least one photovoltaic module, and output ends of the plurality of optimizers are connected in series to form a string and then connected to the inverter. The optimizer includes a conversion unit, and a control unit configured to control the conversion unit. The optimizer further includes an auxiliary power source, an energy storage unit, and a first unidirectional conduction unit that are connected between the conversion unit and the control unit. The control unit is configured to perform IV curve scanning for each voltage segment, where the voltage segments are obtained by segmenting a range of an output voltage of a photovoltaic module corresponding to the optimizer from an open-circuit voltage to a preset minimum voltage, and at least two voltage segments are obtained through division.

Abstract: A memory device includes N memory planes (N is an integer greater than 1), M asynchronous multi-plane independent (AMPI) read units (M is an integer smaller than or equal to N), a first microcontroller unit (MCU), and a multiplexing circuit coupled to the N memory planes, the first MCU, and the M AMPI read units. Each AMPI read unit is configured to provide an AMPI read control signal for a respective memory plane to control an AMPI read operation on the respective memory plane. The first MCU is configured to provide a non-AMPI read control signal for each memory plane to control a non-AMPI read operation on each memory plane. The multiplexing circuit is configured to, in a non-AMPI read operation, direct a non-AMPI read control signal to each memory plane from the first MCU, and in an AMPI read operation, direct each AMPI read control signal of M AMPI read control signals to the respective memory plane from the corresponding AMPI read unit.

Abstract: A power supply end, a wireless power supply system, a power supply method, and a computer storage medium, to improve wireless power supply efficiency. The power supply end includes a transceiver and a plurality of radiation circuits. The transceiver is configured to: generate a charging signal including an electromagnetic wave of at least one frequency band, and separately provide the charging signal for the plurality of radiation circuits. Each of the plurality of radiation circuits can transmit an electromagnetic wave of one or more target frequency bands. The plurality of radiation circuits include a first radiation circuit and a second radiation circuit. One or more target frequency bands included in an electromagnetic wave transmitted by the first radiation circuit are different from one or more target frequency bands included in an electromagnetic wave transmitted by the second radiation circuit.

Abstract: Methods and apparatuses for handover between different radio access technologies (RATs) are disclosed. According to an embodiment, an access network node receives, from a mobility management entity (MME), information indicating that one or more bearers for a terminal device cannot be handed over to one or more RATs different than long term evolution (LTE). The access network node determines whether to perform a packet switched (PS) handover for the terminal device based on the information.

Abstract: The present disclosure discloses a disinfectant and a disinfection method for effectively killing endospores. The disinfectant includes a certain amount of polyhexamethylene biguanide as an active ingredient to kill endospores of Bacillus subtilis var. niger. The disinfectant can effectively kill endospores at room temperature and the atmospheric pressure. The disinfectant can be used for disinfection in environments including hospitals, crowded places, enclosed spaces, public transportation, and livestock and poultry breeding farms.

Abstract: Provided is an ultra-large physical simulation facility for deep engineering disasters, including a long-time large-load loading system for a geological model, a 3D printing system of a deep oil, gas and water multiphase multi-component complex geological body model, a high-temperature-chemical-multiphase fluid collaborative injection, monitoring and control system, a robot excavation and monitoring system for a complex engineering structure in a model under deep geological environment, an intelligent ventilation system for a deep metal mine complex drilling, mining and transferring network, an intelligent filling system for a deep metal mine ultra-large stope, a deep-well enhanced geothermal safe intelligent mining system, an all-spatial-temporal intelligent high-precision monitoring system for an excavation and fracture process of a large-scale geological model, and an ultra-large multi-task intelligent collaborative main control and digital twin system for physical simulation tests.

Abstract: The present application discloses a peripheral circuit assembly, a memory system and a fabrication method of the memory system. The peripheral circuit assembly includes a first peripheral circuit chip; a second peripheral circuit chip located on a side of the first peripheral circuit chip along a first direction, wherein one of the first peripheral circuit chip and the second peripheral circuit chip includes a low low voltage device, and the other one includes a high voltage device, and the first peripheral circuit chip or the second peripheral circuit chip further includes a controller.

Abstract: Provided herein are compounds, compositions, and methods useful for modulating the integrated stress response (ISR) and for treating related diseases; disorders and conditions.

Abstract: A multiple clip applier including a fixing handle, a conveying handle, a clamping handle, a pushing mechanism, a clip tube, a clip head and a closure clip assembly is provided. The clip head is arranged at one end of the clip tube, the clip tube is provided with a loading groove. The closure clip assembly is detachably arranged in the loading groove, and the clip tube includes an outer and an inner clip tube; the conveying handle and the clamping handle are both hinged with the fixing handle; and the clamping handle is linked with the outer clip tube to control opening or closing of the clip head. The closure clip assembly includes a plurality of closure clips; and the conveying handle is linked with the pushing mechanism to move along the length direction of the inner clip tube, thereby driving the closure clips to move towards the clip head.

Abstract: An intelligent garbage sorting robot includes a robot body and a walking base. The robot body is installed on the walking base, and a tool end of the robot body is installed with an executing mechanism. The executing mechanism includes a housing. An electromagnet is slidably disposed in the housing, the electromagnet is connected to a first driving assembly, the first driving assembly is configured to drive the electromagnet to slide, and an end of the housing is fixedly connected to multiple steel needles. Two mechanical claws symmetrically disposed on the walking base, and the two mechanical claws are spaced apart on the walking base. The two mechanical claws are respectively connected to second driving assemblies, and the second driving assemblies are configured to drive the two mechanical claws to move relatively.

Abstract: A filter element for coupling adsorption and regeneration of volatile organic compounds and a purification device are provided. The filter element includes a filter element body, a photocatalytic mechanism and adsorption-filtration body(s). The adsorption-filtration body(s) may be of a hollow columnar structure where the photocatalytic mechanism is located. VOCs are quickly adsorbed by the adsorption-filtration body(s), then thermal desorption regeneration is performed on the adsorption-filtration body(s) during a time interval of stopping discharging of the exhaust gas, and a photocatalysis technology is used to cyclically purify the thermally desorbed VOCs, which achieves the synergy of high-density and purification in the two technologies. Furthermore, it takes full advantages of high adsorption, filtration and purification efficiency, low photolysis catalysis costs, and easy operation and maintenance of the on-site regeneration.

Abstract: A method of an intestinal protective ostomy with the use of a degradable intestinal diversion device and an intubation includes steps of: preparing the degradable intestinal complete diversion device; after cutting off the terminal ileum intestine, measuring the diameter of the intestine, and then selecting a degradable intestinal diversion device of appropriate specifications according to the diameter of the intestine; when diverting, placing the device in the intestinal cavity, and fixing the ileum on the device with a thread at the convex ring; inserting the stoma drainage tube in the proximal ileum where the device is placed against the direction of intestinal peristalsis; and disintegrating and discharging the device with the contents of the intestine. The invention used with a drainage tube realizes complete intestinal diversion without secondary operations of stoma reintroduction.

Abstract: An ash collecting system includes an ash discharge device, an ash conveying pipeline and an ash collecting tank. A first clean air chamber and a first foul air chamber are arranged in a shell. A plurality of first filtering structures and vibrating structures are arranged in the first clean air chamber. The first foul air chamber is provided with a sweeping structure for sweeping ash. The ash collecting tank includes a cylindrical shell and an ash bin. The ash removal port is in communication with the second air inlet. A second clean air chamber and a second foul air chamber are arranged in the cylindrical shell. Second filtering structures are arranged in the second foul air chamber. The ash bin is in communication with the second foul air chamber. An ash collecting structure for collecting ash is arranged in the ash bin.

Abstract: The present disclosure discloses an acoustic output device. The acoustic output device may include a speaker assembly, configured to convert audio signals into vibration signals; a functional assembly electrically connected to the speaker assembly; and a supporting structure, configured to be connected to the speaker assembly and the functional assembly, wherein the supporting structure includes a metal body therein, and the metal body may be electrically connected to the functional assembly.

Abstract: An inverter and an inverter control method. The inverter includes an inverter system and a controller. The inverter system includes an inverter circuit, positive and negative direct current buses, a bus capacitor, and a balancing circuit. The inverter is configured to: when a user connects to an unbalanced load, control the balancing circuit based on different magnitudes of voltage fluctuation generated by the unbalanced load for the bus capacitor, to implement a function of jointly sharing current fluctuation by the bus capacitor and the balancing circuit, and reduce design costs of the bus capacitor and the balancing circuit.

Abstract: Disclosed in the present invention are an all-black crystalline silicon solar cell and a preparation method therefor, and a photovoltaic module. The preparation method comprises the following steps: (1) depositing a film layer on the front face of a silicon wafer by means of a PECVD method so as to obtain a silicon wafer having a coated front face, wherein the film layer is of a laminated structure and comprises an innermost SiNx layer having a thickness of 20 nm or more; (2) subjecting the resulting silicon wafer having the coated front face to back-face PECVD and laser beam grooving so as to obtain a coarse silicon solar cell; and (3) subjecting the resulting coarse silicon solar cell to silk-screen printing and electron injection to then obtain an all-black crystalline silicon solar cell.

Abstract: A word mining method and apparatus, an electronic device and a readable storage medium are disclosed. The method includes: acquiring search data; taking first identification information, a search sentence and second identification information in the search data as nodes, and taking a relationship between the first identification information and the search sentence, a relationship between the first identification information and the second identification information and a relationship between the search sentence and the second identification information as sides to construct a behavior graph; obtaining a label vector of each search sentence in the behavior graph according to a search sentence with a preset label in the behavior graph; determining a target search sentence in the behavior graph according to the label vector; and extracting a target word from the target search sentence, and taking the target word as a word mining result of the search data.

Abstract: Systems and methods of the present disclosure include a method for increasing teleconferencing bandwidth efficiency via presentation of remotely accessible content. The method includes receiving a request to present content to a teleconference from a presenting participant device of the teleconference. The method includes generating a unit of software instructions that is configured to cause a participant device to access the content from an originating location that differs from the presenting participant device, and display the content within a shared content interface of the teleconference configured to display a view of the content that is consistent between each participant device of the teleconference. The method includes providing the unit of software instructions to one or more non-presenting participant devices of the teleconference.

Abstract: A display substrate, a display panel and a display device are provided. At least one corner region of the display substrate includes: a plurality of first signal lines and at least one second signal line; and a plurality of groups of first bidirectional electrostatic discharge units and at least one second bidirectional electrostatic discharge unit. At least one first bidirectional electrostatic discharge unit includes a first electrostatic discharge end and a second electrostatic discharge end, the first electrostatic discharge end is electrically connected to at least one first signal line, and the second electrostatic discharge end is electrically connected to at least one second signal line through at least one second bidirectional electrostatic discharge unit. The second electrostatic discharge ends of at least two groups of first bidirectional electrostatic discharge units are electrically connected to the at least one second signal line through a same second bidirectional electrostatic discharge unit.