Abstract: A display device is provided, including: a back plate; a plastic frame connected to the back plate; a backlight module; a privacy film on a light emitting side of the backlight module; and a dimming sheet on a side of privacy film away from the back plate, wherein the dimming sheet is configured to be capable of adjusting a viewing angle of the display device. The plastic frame includes a first surface and a side end face, the first surface is a surface of the plastic frame close to the dimming sheet, the side end face is a side face of the plastic frame close to the dimming sheet, the plastic frame further includes a chamfered portion at a transition position between the side end face and the first surface, and the chamfered portion has a rough surface that is configured for diffracting the light incident on the chamfered portion.

Abstract: The present invention provides a combined chimeric antigen receptor targeting CD19 and CD20 and application thereof. Specifically, the present invention provides a combined chimeric antigen receptor targeting CD19 and CD20, which comprises a scFv targeting CD19 and CD20, a hinge region, a transmembrane region, and an intracellular signaling domain. The present invention provides a nucleic acid molecule encoding the chimeric antigen receptor and a corresponding expression vector, a CAR-T cell, and applications thereof. The experimental results show that the chimeric antigen receptor provided by the present invention shows extremely high killing ability against tumor cells. The chimeric antigen receptor of the present invention targets CD19 and/or CD20 positive cells and can be used to treat CD19 and/or CD20 positive B-cell lymphoma, leukemia and other diseases.

Abstract: A deep learning-based method for fusing multi-source urban energy data and a storage medium are provided to perform data fusion on multi-source urban energy data found in big data and perform multi-scale and multimodal information fusion by using a cross-modal transformer, thereby implementing cross-modal mutual fusion of multi-source heterogeneous types of data to obtain a fused feature for prediction of a quantity of energy that will be used in the future and a quantity of energy that needs to be produced. The present disclosure proposes a multi-scale cooperative multimodal transformer architecture to enhance an effect of representation learned from an unaligned multimodal sequence. Not only there is a higher degree of correlation in multi-source urban energy data fusion, but also a system becomes more lightweight.

Abstract: Provided is an anti-HER3 humanized monoclonal antibody. The antibody binds HER3 antigen, has high affinity and biological activity and low immunogenicity, and is stable in structure. The antibody can be used for preparing drugs for preventing or treating HER3-related diseases.

Abstract: Provided are methods for modulating a SRC-1 condensate to regulate transcription of one or more genes, methods of treating diseases and conditions using SRC-1 inhibitors, and methods for screening of agents that modulate SRC-1 condensate.

Abstract: The present invention relates to a ventilating and blanking device for a coal storage Eurosilo. The ventilating and blanking device includes a top blanking pipe, an axial flow fan and a baffle door, the top blanking pipe including a first pipeline and a second pipeline, an air supply pipe is connected to a side wall of the second pipeline, and the baffle door is connected to a driving mechanism; during blanking, the driving mechanism drives the baffle door so as to make the baffle door close the air supply pipe and the axial flow fan is shut off; and during ventilation, the driving mechanism drives the baffle door so as to make the baffle door close the first pipeline, and the axial flow fan is turned on. Compared with the prior art, the present invention has the advantages of ventilation efficiency, good ventilation effect, etc.

Abstract: The present disclosure describes techniques for determining performance of a classifier. A first machine learning model and a second machine learning model may be trained by aggregating updates to the first machine learning model and the second machine learning model received from a plurality of client computing devices. A cumulative distribution function (CDF) associated with a distribution of the positive samples in the user data may be estimated using the trained first machine learning model. A probability density function (PDF) associated with a distribution of the negative samples in the user data may be estimated using the trained second machine learning model. An integration-based computation of an area under the receiver operating characteristic curve (AUC) of the classifier may be performed using the PDF and the CDF.

Abstract: A genome-specific gene sequence fragment of female Acipenser Dabryanus and a method for identifying the sex of Acipenser Dabryanus are disclosed. The gene sequence fragment of Acipenser Dabryanus is used to identify the sex of Acipenser Dabryanus. The method includes: performing PCR amplification on the DNA of the Acipenser Dabryanus to be tested, and judging that the Acipenser Dabryanus to be tested is female when a resultant product from the amplification shows 3 bands on an agarose gel and the Acipenser Dabryanus to be tested is male when a resultant product from the amplification shows 2 bands on an agarose gel, alternatively, judging that the Acipenser Dabryanus to be tested is female when a resultant fragment from the amplification has a 1402 bp band and it is male if there is no 1402 bp band. The gene sequence fragment is used to quickly and efficiently identify the sex of Acipenser Dabryanus.

Abstract: The present disclosure relates to a synaptic weight training method, a target identification method, an electronic device and a storage medium. The synaptic weight training method includes: inputting spike signals corresponding to training samples into a spiking neural network to be trained; learning a target synaptic weight in the spiking neural network with a back propagation rule to obtain a first branch weight; and learning the target synaptic weight with a synaptic plasticity rule to obtain a second branch weight; and updating the target synaptic weight according to the first branch weight and the second branch weight.

Abstract: A control device for controlling a temperature of a laser device includes a pulse width modulation (PWM) signal generator, a temperature acquisition circuit, a voltage comparator, and a logic circuit. The a pulse width modulation (PWM) signal generator configured to generate a PWM signal; a temperature acquisition circuit configured to acquire a temperature of the laser device and convert the temperature into a measurement voltage; a voltage comparator configured to compare the acquired measurement voltage associated with the temperature of the laser device with a temperature threshold voltage and output a comparison result signal; and a logic circuit configured to generate a drive signal based on the PWM signal and the comparison result signal to drive the laser device.

Abstract: A laser pulse energy amplification device and method, and a femtosecond laser are provided. The laser pulse energy amplification device includes a pulse amplifier and a pulse shaper that are connected in sequence. The pulse amplifier is connected to an output port of a seed laser source and is connected to the pulse shaper that outputs a femtosecond laser pulse. The seed laser source is configured to generate and input a seed laser pulse to the pulse amplifier. The pulse amplifier is configured to introduce a nonlinear phase shift into the seed laser pulse, perform energy amplification and spectral stretching, and output an energy-amplified laser pulse with a nonlinear phase to the pulse shaper. The pulse shaper is configured to measure a shape and/or the nonlinear phase of the energy-amplified laser pulse, and shape the energy-amplified laser pulse according to the shape and/or the nonlinear phase.

Abstract: An intelligent air curtain system on buses based on computer vision technology is provided, the air curtain system includes a data collection system, an information processing system, a terminal control system, and a terminal broadcast system. The data collection system collects video information in a front area. The information processing system includes an object detection part, a safety judgment part, a return air volume monitoring part, a posture judgment part, and an information calculation part. The object detection part and the safety judgment part judge the safety of a driver. The posture judgment part determines whether a passenger wears a mask properly. The information calculation part is configured to calculate a facial temperature of the passenger and transmit the facial temperature to the terminal control system and the terminal broadcast system. The terminal control system is configured to control an air curtain. The terminal broadcast system is configured for reminder.

Abstract: According to the embodiments of the disclosure, a multimedia processing method, device, electronic device, and storage medium are provided by obtaining a first multimedia resource; determining an initial text content corresponding to the first multimedia resource by performing speech recognition on audio data of the first multimedia resource, the audio data of the first multimedia resource comprises speech data of the initial text content; determining an invalid text content in the initial text content, the invalid text content is semantically non-informative; determining a first playing position of speech data of the invalid text content in the first multimedia resource; and cropping the first multimedia resource based on the first playing position to obtain a second multimedia resource, wherein audio data of the second multimedia resource comprises speech data of a target text content but does not comprise the speech data of the invalid text content.

Abstract: Disclosed is a plane grating calibration system, comprising an optical subsystem, a frame, first vibration isolator, a vacuum chuck, a workpiece stage, second vibration isolator, a base platform and a controller; the optical subsystem is mounted on the frame, and the frame is isolated from vibration by the first vibration isolator; the vacuum chuck is rotatably mounted on the workpiece stage, the workpiece stage is positioned on the base platform, and the base platform is isolated from vibration by the second vibration isolator. A displacement interferometer is integrated into the optical subsystem, and the entire optical subsystem adopts a method of sharing a light source, thereby avoiding the problems of low wavelength precision and poor coherence of separate light sources.

Abstract: A shift register and a display panel. The shift register includes an output adjustment module, a trigger write module, and a node adjustment module. A first terminal of the output adjustment module inputs a first clock signal. A second terminal of the output adjustment module inputs a first power signal. The output adjustment module is configured to adjust the shift register to output the first clock signal or the first power signal according to the signal on a first control node and the signal on a second control node of the output adjustment module. The trigger write module is configured to write a trigger signal to the second control node according to the clock signal of the control terminal of the trigger write module. The node adjustment module is configured to adjust the signal on the first control node.

Abstract: A weeding device for crops having a seedling avoidance function includes a rack connected to a weeding machine. A hydraulic pump and two hydraulic cylinders are mounted to the rack. Bottom ends of each of the two hydraulic cylinders are provided with a vertically arranged support rod. An inter-row weeder is mounted to a bottom end of each of the two support rods. A slider configured to reciprocate in a horizontal direction is positioned on two slide rails that are mounted to the rack. An inter-plant weeder is mounted to a bottom side of the slider. A plurality of weeder blades are arranged side by side on the inter-plant weeder. At the weeding position, an arrangement direction of weeder blades is perpendicular to an advancing direction, and at the weed avoidance position, the arrangement direction of the weeder blades is parallel to the advancing direction, thereby avoiding crops.

Abstract: The present disclosure discloses a time service and positioning network system for an underground chain-shaped large space in a coal mine. The system adopts a base station-level network internal time synchronization method which takes an optical fiber time service as a main part and takes a satellite time service as an auxiliary part to construct a time service and positioning network system with an unified time within the ad-hoc network base stations, based on the ad-hoc network base stations linearly arranged in the underground chain-shaped large space in the coal mine. Through the network construction, the network stabilization and the network application, the system unifies the time reference of the base station-level network and improves the positioning accuracy of the network application by utilization of the base station-level network internal time synchronization method.

Abstract: The present disclosure discloses a time service and positioning network system for an underground chain-shaped large space in a coal mine. The system adopts a base station-level network internal time synchronization method which takes an optical fiber time service as a main part and takes a satellite time service as an auxiliary part to construct a time service and positioning network system with an unified time within the ad-hoc network base stations, based on the ad-hoc network base stations linearly arranged in the underground chain-shaped large space in the coal mine. Through the network construction, the network stabilization and the network application, the system unifies the time reference of the base station-level network and improves the positioning accuracy of the network application by utilization of the base station-level network internal time synchronization method.

Abstract: A method for constructing a multiplex PCR library for high-throughput targeted sequencing: first acquiring a targeted DNA product by means of a high-specificity multiplex PCR reaction, and then digesting with a specific endonuclease, such that a specific molecular barcode is produced at the tail end of the PCR product; thus, the library construction process is more efficient, and the accuracy and sequencing depth of the obtained data are also ensured.

Abstract: A method, circuit, audio playback device, and system of sending and receiving Bluetooth packet loss data is disclosed. The method includes: step S100, receiving a forwarding request sent by a second audio playback device in a receiving state; step S200, monitoring the retransmission information of an audio source device retransmitting current audio data on Link 1 according to the forwarding request; step S300, determining whether the retransmission information is monitored; step S400, switching from the receiving state to a sending state; and step S500, forwarding the current audio data to the second audio playback device through Link 2 in accordance with the time sequence of the audio source device retransmitting the current audio data. The signal can be provided to the second audio playback device from different locations.