Abstract: A photoelectric computing unit, a photoelectric computing array and a photoelectric computing method. The photoelectric computing unit includes a semiconductor multifunctional region structure, which includes at least one carrier control region, at least one coupling region, and at least one photon-generated carrier collection region and readout region.

Abstract: The present disclosure describes methods, system, and devices for selecting a radio bearer mode for multicast broadcast services (MBS). The method includes informing a radio access network (RAN) that a user equipment (UE) is receiving/interested to receive or no longer receiving/interested to receive multicast broadcast service (MBS) services via a cast mode. The method includes sending, by the UE, MBS interest information to the RAN, the MBS interest information comprising a list of MBS services of interest.

Abstract: A compressor and a refrigeration device are provided. The compressor includes a cylinder body and a piston assembly. The cylinder body has a first air suction hole at a cylinder cover of the cylinder body. The piston has a top dead center located close to the cylinder cover of the cylinder body and a bottom dead center located away from the cylinder cover of the cylinder body in a movement stroke. A distance between the top dead center and the bottom dead center is S. The cylinder body or the piston has a second air suction hole. The second air suction hole is configured to connect to the operating cavity when the piston moves to a predetermined position. The distance between the piston at the predetermined position and the top dead center is L1, where L1>0.5 S.

Abstract: A photovoltaic module support, a photovoltaic module supporting assembly and a photovoltaic power station are provided. The photovoltaic module support is a structural member formed by stamping and bending, and comprises a support body which is provided with a reinforcing groove, and/or a reinforcing protrusion, and/or a turning edge. The photovoltaic module support is the structural member formed by stamping and bending, and a raw material thereof is a metal plate or a metal coiled material, such that the material cost and the processing cost are effectively reduced in comparison with existing structural members made by cutting an aluminum profile, thereby reducing the cost of the whole photovoltaic module support.

Abstract: An X-ray-based test device for a plugging removal effect of a sulfur dissolvent on a sulfur deposition rock sample includes a constant speed and pressure pump, a first intermediate container, a second intermediate container, a first pressure transmitter, a core holder, a second pressure transmitter, a first electric pump, a third intermediate container, a back-pressure valve, a gas flow meter, an H2S neutralization tank, a second electric pump, a back-pressure transmitter, a confining pressure transmitter, an X-ray generator, an X-ray detector and a thermotank. A sour gas sample is placed in the first intermediate container, and nitrogen is filled in the second intermediate container. The sulfur dissolvent is placed into the third intermediate container. A confining pressure inlet is formed in the core holder. The test device may be used for evaluating the plugging removal effect of the sulfur dissolvent injected into the sulfur deposition rock sample.

Abstract: A thermal recovery construction method includes the steps of determining design parameters of a current thermal recovery construction according to geological data and reservoir characteristics of a current oil deposit area to be stimulated; preparing, according to the design parameters, coal water slurry required for the current thermal recovery construction; injecting the coal water slurry into a target reservoir through an injection well with an injection mode of the design parameters, along with combustion adjuvant with an amount selected based on a total injection amount of the coal water slurry; and inducing spontaneous combustion of the coal water slurry by thermal energy generated by a downhole heating device, and performing control and displacement on the reservoir with the thermal energy and gas generated after the combustion.

Abstract: The present application relates to the field of storage equipment and provides a door opening device and storage equipment. The door opening device includes a plurality of electromagnetic push rod structures, where each of the plurality of electromagnetic push rod structures includes a push rod; and a controller electrically connected to the plurality of electromagnetic push rod structures and is configured to drive a plurality of push rods of the plurality of electromagnetic push rod structures to act synchronously. The door opening device according to the present application can reduce the thickness of the door opening device to a large extent under the condition of ensuring the pushing force through synchronous action of the plurality of electromagnetic push rod structures arranged in parallel, which is helpful to improve the application range of the door opening device.

Abstract: A method for determining the quality of diffusion welding by means of non-destructive testing comprises the steps of determining a testing method, performing batch testing, establishing a relationship, performing a classification of the mechanical performance data of welded joints, performing a classification of quality levels of different welded interfaces, performing a classification of quality levels of the welded joints, and determining quality levels of the welded joints of to-be-tested workpieces.

Abstract: Process for determining rock permeability. In some embodiments, the process can include determining a volume-based aspect ratio distribution of pores in a rock sample from a digital image of the sample, grouping the volume-based aspect ratio distribution into two or more pore types, selecting an initial pore type from the two or more pore types, obtaining mercury injection capillary pressure (MICP) data of the sample, creating a volume forward model and a frequency forward model using the MICP data, deriving an initial volume-based pore size distribution and an initial frequency-based pore size distribution for the initial pore type using the volume and the frequency forward models, respectively, selecting either the initial volume-based or the initial frequency-based distribution based on the forward models, and optimizing the selected distribution using an inversion of the MICP data with combinations of two or more pore type distributions to create an optimized distribution.

Abstract: A backlight module and a driving method therefor, and a display panel and a display apparatus. The backlight module includes: a backlight panel; and a backlight driving circuit, which is used for responding to a first timing signal, so as to output a first brightness signal to drive the backlight panel to emit light, and is used for responding to a second timing signal to output a second brightness signal to drive the backlight panel to emit light. For a frame picture of a first sequence frame, a first brightness signal is output to drive a backlight panel to emit light, and for a frame picture of a second sequence frame, a second brightness signal is output to drive the backlight panel to emit light.

Abstract: Systems, methods, and devices for wireless communication that support mechanisms for non-coherent, sequence-based downlink control signaling in a wireless communication system. In aspects, the mechanisms for non-coherent, sequence-based downlink control signaling may include a new non-coherent, sequence-based downlink control channel or signal transmitted from a base station to a user equipment (UE) and configured to convey information bits (e.g., control information bits) to the UE. The UE may receive a signal transmitted over the new non-coherent, sequence-based downlink control channel and may decode the signal to extract the control information. The UE may then apply a control based on the control information received from the base station in the signal over the non-coherent, sequence-based downlink control channel.

Abstract: Provided are a method for preparing starch using carbon dioxide, a recombinant microorganism, a method for constructing the recombinant microorganism, and a reagent. The method for preparing starch using carbon dioxide comprises: (1) providing energy and carbon sources for microbial cells on the basis of carbon dioxide and extracellular non-optical energy; and (2) generating starch within the microbial cells on the basis of at least one of up-regulated glucose-1-phosphate adenylyltransferase and starch synthase in the microbial cells. In this way, by utilizing non-optical energy, such as electric energy or hydrogen energy, starch can be effectively prepared inside the microbial cells by fixing carbon dioxide.

Abstract: A refrigeration system and a refrigeration device are provided. The refrigeration system includes a circulation circuit. The circulation circuit includes a main flow path, and a first branch and a second branch that are connected to the main flow path and are connected in parallel. The main flow path is provided with a condenser and a compressor. The condenser has an output end in communication with an end of the first branch and an end of the second branch. The compressor has two suction holes in communication with another end of the first branch and another end of the second branch, respectively. The first branch and the second branch are provided with a first evaporator and a second evaporator, respectively.

Abstract: A sensor control method includes: obtaining first indication information, where the first indication information indicates a first scenario; determining a configuration parameter of at least one sensor based on the first indication information, where the configuration parameter is corresponding to the first scenario; and sending the configuration parameter to the at least one sensor. The sensor control method may be applied to automatic driving or intelligent driving, and may be specifically applied to assisted driving or unmanned driving. The sensor can be flexibly controlled through configurable parameters of sensors such as radar or a camera.

Abstract: A method and a system for automatic machine learning-based prediction of new energy power with cloud-edge collaboration are disclosed. The method includes: obtaining, in response to a power prediction demand for a target new energy station, future numerical weather prediction data of the target new energy station in a future period and historical output power of a historical period corresponding to the future period; selecting, based on missing of the future numerical weather prediction data and a data amount of the historical output power, a target power prediction model corresponding to the target new energy station; and adjusting the target power prediction model according to the target working mode, and predicting, by the adjusted target power prediction model, a target output power of the target new energy station in the future period, based on the future numerical weather prediction data and the historical output power.

Abstract: A field wheat stem tillering number extraction method, including: acquiring field wheat point clouds by means of a LiDAR, and extracting any row of wheat point clouds in a research area; projecting a Y axis to a plane, and retaining an X and Z axis; applying adaptive layering to obtain number of clusters of the wheat row; applying hierarchical clustering analysis to obtain tillering number of each wheat cluster; and further obtaining stem tillering number of the whole wheat row, so as to extract a field wheat stem tillering number. The feasibility of an algorithm is verified by comparing the wheat stem tillering number extracted by means of the method with an actually measured field stem tillering number, and the method realizes rapid, accurate and nondestructive extraction of a large-field crop stem tillering number and provides theoretical basis and technical support for extraction of the field wheat stem tillering number.

Abstract: A flow field identification method of artificial intelligence fish simulation system uses cluster server parallel sampling to obtain continuous flow field time series information data. After preprocessing the data, the method uses the lateral line perceptron of recurrent neural network or convolutional neural network based on long time series to continuously acquire data, train and iterate. Finally, the method can identify the flow field sequence data signal with time series property, wherein, the perceived flow field signals include but are not limited to velocity, pressure and vorticity, and the experimental results are continuously filled into the experimental database, which will have the effect of memory transplantation on the artificial fish and reduce the occurrence of repetitive errors. The method identifies the flow field of an artificial intelligence fish simulation system, which can fully reflect the characteristics of the flow field from the aspects of amplitude, frequency, and wavelength.

Abstract: Provides is a display apparatus including: a display panel including: pixel islands in arrays in a row direction and a column direction, pixel islands include n sub-pixels at intervals in the row direction, n>1. The display panel has a preset horizontal direction and a preset vertical direction perpendicular to the preset horizontal direction; a light-splitting assembly at a display side of the display panel, the light-splitting assembly includes light-splitting repeating units extending in a first direction and continuously in the preset horizontal direction, light-splitting repeating units include M light-splitting structures extending in the first direction; a width of M light-splitting structures is equal to a width of K pixel islands in row direction, M and K are positive integers, an included angle between the first direction and the preset horizontal direction and an included angle between the first direction and the preset vertical direction are greater than 0.

Abstract: The present disclosure relates to a yield prediction method for a fractured horizontal well based on simulated special mechanisms of shale gas.

Abstract: The present disclosure provides a direct current (DC) transformer error detection apparatus for a pulsating harmonic signal, including a DC and pulsating harmonic current output module and an external detected input module, where the DC and pulsating harmonic current output module outputs a DC and a DC superimposed pulsating harmonic current to an internal sampling circuit and a self-calibrated standard resistor array; and the internal sampling circuit converts the input DC and the input DC superimposed pulsating harmonic current into a voltage signal, and sends the voltage signal to an analog-to-digital (AD) sampling and measurement component through a front-end conditioning circuit and a detected input channel. The DC transformer error detection apparatus can complete self-calibration for measurement of the DC and the pulsating harmonic signal on a test site.