Abstract: Disclosed are a local dimming drive circuit, a local dimming drive method, a local dimming drive system and an electronic equipment. The local dimming drive circuit includes: a dimming control circuit and a constant current drive circuit; the input end of the dimming control circuit is connected to the mainboard, and the output end of the dimming control circuit is connected to the input end of the constant current drive circuit, and the output end of the constant current drive circuit is connected to the backlight panel; the mainboard is configured to provide the first backlight brightness data and the first vertical synchronization signal; the dimming control circuit is configured to obtain the second backlight brightness data according to the first backlight brightness data, and output the second backlight brightness data at the refresh rate of the first vertical synchronization signal.

Abstract: The present disclosure discloses a method of determining efficiency of increasing a soil carbon sink based on green manure returning to fields and a system thereof. The method includes: determining green manure biomass of a target farmland based on an unmanned aerial vehicle lidar technology during a fallow period of the target farmland before green manure is turned over; calculating carbon biomass of the target farmland based on the green manure biomass; calculating microbial soil carbon pump efficiency and mineral carbon pump efficiency after the green manure of the target farmland is turned over; and determining a soil carbon sink effect of turning over green manure on the target farmland according to the carbon biomass, the microbial soil carbon pump efficiency and the mineral carbon pump efficiency. The present disclosure realizes the quantitative calculation of efficiency of increasing the soil carbon sink of green manure.

Abstract: The present disclosure provides a method and system for evaluating carbon sequestration of duckweed for a rice-duckweed symbiotic system, and a device. The method includes: after rice harvesting, collecting duckweed information in a rice-duckweed symbiotic system using spectrum scanning and laser-point cloud techniques, and determining a duckweed volume based on the duckweed information; determining a duckweed biomass in the rice-duckweed symbiotic system based on the duckweed volume; and estimating carbon sequestration of duckweed from the duckweed biomass using an artificial neural network algorithm, or estimating the carbon sequestration of duckweed from the duckweed biomass by a duckweed carbon sequestration estimation formula. The present disclosure may allow for flexible estimation of carbon sequestration of duckweed based on information such as agronomic management on rice, soil, and climate, and provide a good technical support for the management and application of duckweed in paddy fields.

Abstract: The present disclosure relates to a composition that includes a solid, a first layer of an ionic liquid including an anion and a cation, a second layer including an ionically conductive ionomer, and a catalyst including a metal positioned on the solid, where the ionic liquid forms a first layer on the solid, the first layer is positioned between the second layer and the solid, and the catalyst is positioned between the solid and the first layer.

Abstract: Disclosed are a local dimming drive circuit, a local dimming drive method, a local dimming drive system and an electronic equipment. The local dimming drive circuit includes: a dimming control circuit and a constant current drive circuit; the input end of the dimming control circuit is connected to the mainboard, and the output end of the dimming control circuit is connected to the input end of the constant current drive circuit, and the output end of the constant current drive circuit is connected to the backlight panel; the mainboard is configured to provide the first backlight brightness data and the first vertical synchronization signal; the dimming control circuit is configured to obtain the second backlight brightness data according to the first backlight brightness data, and output the second backlight brightness data at the refresh rate of the first vertical synchronization signal.

Abstract: Disclosed are a wristband and a wrist wearable device. The wristband includes a wristband body portion, a connecting portion, and a memory metal portion. One end of the wristband body portion is connected to the connecting portion, the connecting portion is connected to one end of a device body of a wrist wearable device, and another end of the wristband body portion is a free end. The memory metal portion is provided on the wristband body portion and has an arc-shaped memory state in a natural state, so that the wristband body portion is naturally maintained in an arc shape, and the wristband is naturally maintained in a wearing state.

Abstract: Disclosed is wristband and wrist wearable device, including: a wristband body portion, one end is connected to one end of a device body of a wrist wearable device, and the other end is a free end; and a memory metal portion, which is arranged on the wristband body portion and has an arc-shaped memory state in a natural state, so that the wristband body portion is naturally maintained in an arc shape. The memory metal portion comprises a strip-shaped memory metal piece including a first metal segment, a second metal segment, and a third metal segment that are sequentially connected, the first metal segment and the third metal segment extend along a length direction of the wristband body portion in parallel, the second metal segment is arranged at the free end of the wristband body portion and is provided with at least one bent portion.

Abstract: The present disclosure relates to a composition that includes a fluoropolymer, a polymerized ionic liquid block copolymer (PILBC), and a catalyst, where the fluoropolymer is configured to affect ionic mobility, and the PILBC is configured to affect a property of the catalyst. In some embodiments of the present disclosure, the property may include at least one of oxygen transport and/or an active site functionality of the catalyst.

Abstract: Disclosed are a power supply control circuit and a display device. An output terminal of the power factor correction circuit is connected to the resonance circuit; a first output terminal of the resonance circuit is connected to the backlight module through the first rectification filter circuit, and a second output terminal of the resonance circuit is connected to the control circuit board and the communication circuit through the second rectification filter circuit; a third output terminal of the resonance circuit is connected to the control system and the communication circuit; the control circuit board is connected to the control system through the communication circuit; a first signal output terminal of the control system is connected to the power factor correction circuit; and a second signal output terminal of the control system is connected to the resonance circuit.

Abstract: Certain aspects of the present disclosure provide techniques and apparatus for processing a video stream using a machine learning model. An example method generally includes generating a first group of tokens from a first frame of the video stream and a second group of tokens from a second frame of the video stream. A first set of tokens associated with features to be reused from the first frame and a second set of tokens associated with features to be computed from the second frame are identified based on a comparison of tokens from the first group of tokens to corresponding tokens in the second group of tokens. A feature output is generated for portions of the second frame corresponding to the second set of tokens. Features associated with the first set of tokens are combined with the generated feature output into a representation of the second frame.

Abstract: Disclosed is wristband and wrist wearable device, including: a wristband body portion, one end is connected to one end of a device body of a wrist wearable device, and the other end is a free end; and a memory metal portion, which is arranged on the wristband body portion and has an arc-shaped memory state in a natural state, so that the wristband body portion is naturally maintained in an arc shape. The memory metal portion comprises a strip-shaped memory metal piece including a first metal segment, a second metal segment, and a third metal segment that are sequentially connected, the first metal segment and the third metal segment extend along a length direction of the wristband body portion in parallel, the second metal segment is arranged at the free end of the wristband body portion and is provided with at least one bent portion.

Abstract: The present disclosure relates to a composition that includes a solid, a first layer of an ionic liquid including an anion and a cation, a second layer including an ionically conductive ionomer, and a catalyst including a metal positioned on the solid, where the ionic liquid forms a first layer on the solid, the first layer is positioned between the second layer and the solid, and the catalyst is positioned between the solid and the first layer.

Abstract: Disclosed are a power supply control circuit and a display device. An output terminal of the power factor correction circuit is connected to the resonance circuit; a first output terminal of the resonance circuit is connected to the backlight module through the first rectification filter circuit, and a second output terminal of the resonance circuit is connected to the control circuit board and the communication circuit through the second rectification filter circuit; a third output terminal of the resonance circuit is connected to the control system and the communication circuit; the control circuit board is connected to the control system through the communication circuit; a first signal output terminal of the control system is connected to the power factor correction circuit; and a second signal output terminal of the control system is connected to the resonance circuit.

Abstract: The present disclosure relates to a composition that includes a fluoropolymer, a polymerized ionic liquid block copolymer (PILBC), and a catalyst, where the fluoropolymer is configured to affect ionic mobility, and the PILBC is configured to affect a property of the catalyst. In some embodiments of the present disclosure, the property may include at least one of oxygen transport and/or an active site functionality of the catalyst.

Abstract: A system and method for controlling a porous medium burner of medium-high temperature heating field, the control system includes a local control system and a remote control system; the local control system is configured for acquisition and feedback of data, and execution of an action; and the remote control system communicates with the local control system in real time and is configured for storage and analysis of data and transmission of an instruction. A system and method for controlling a porous medium burner of medium-high temperature heating field, which can effectively perform prediction and prevention of flashback, be adapted to combustion of gases with different calorific values, monitor and diagnose, in real time, a usage status of a porous medium material, and be suitable for the functions such as real-time monitoring of preheating of air and a fuel gas.