Abstract: A device may retrieve data representing a plurality of activity sequences associated with a plurality of channels. Each activity sequence may include a plurality of activity entries having data values for a plurality of fields. The plurality of activity entries may be associated with respective timestamps. The plurality of activity sequences may have respective temporal resolutions. The device may flatten the data values for the plurality of activity sequences, across the plurality of activity entries, the plurality of fields, and the plurality of channels, into a single time-ordered activity sequence. The device may generate activity data embeddings using the single time-ordered activity sequence, generate, using an encoder module, an encoder output based on the activity data embeddings and temporal information based on the respective timestamps, input the encoder output into a decoder module, and generate, using the decoder module, a decoder output based on the encoder output.

Abstract: The present invention relates to a method for separating and purifying tetrahydrocannabivarin (THCV) by means of high-speed countercurrent chromatography, the method comprising: sufficiently shaking a solvent system, leaving same to stand, and separately collecting upper and lower phases; dissolving full-spectrum refined hemp oil in the upper phase, taking the upper phase as a stationary phase and the lower phase as a mobile phase, performing separation by using high-speed countercurrent chromatography to obtain a mixed solution of tetrahydrocannabivarin and the mobile phase, and removing the mobile phase to obtain the tetrahydrocannabivarin. According to the present invention, THCV with a purity of >95% is obtained by separation and purification from full-spectrum refined hemp oil by using high-speed countercurrent chromatography technology for the first time.

Abstract: Embodiments of this application disclose a data transmission method, a related apparatus, and a device. In the method, a transmit end device obtains a plurality of pieces of packet data in a transmission sequence and encapsulates the plurality of pieces of packet data in the transmission sequence, to obtain N pieces of encapsulated packet data, and sends the N pieces of encapsulated packet data to a receive end device in the transmission sequence through a plurality of communication links. The receive end device receives the plurality of pieces of encapsulated packet data and perform unpacking processing on the plurality of pieces of encapsulated packet data, to obtain the plurality of pieces of packet data and packet sequence numbers, determine the transmission sequence based on the packet sequence numbers of the plurality of pieces of packet data, and send the plurality of pieces of packet data in the transmission sequence.

Abstract: The present application discloses an air suspension system, including a frame for mounting a vehicle body, a bridge housing for mounting wheels, and air springs, shock absorbers, a connecting rod frame and a thrust module connected between the frame and the bridge housing. Since the thrust module is standardized, a suitable thrust module can be matched according to different working conditions, thereby making the complex suspension adjustment work lightweight.

Abstract: A battery cell, a battery, and an electric device are provided. The battery cell includes a main body portion, a first tab, a first insulating adhesive, and a second insulating adhesive. The first tab is formed at an axial end of the main body portion. The first insulating adhesive is adhered to an outer periphery of the main body portion. The second insulating adhesive is adhered to the first tab. In an axial direction of the main body portion, a gap is provided between the first insulating adhesive and the second insulating adhesive. The battery includes the battery cell. The electric device includes the battery cell or the battery.

Abstract: A server slide can include a first rail and a second rail configured to slidably receive the first rail. In one example, a first pull rod for a locking mechanism can be slidably mounted to the first rail. A second pull rod for the locking mechanism can be slidably mounted to the first rail. The first and second pull rods can be mechanically connected such that actuation of the first pull rod simultaneously actuates the second pull rod to operate the locking mechanism.

Abstract: A method for determining a network optimization policy, an apparatus, and a system are provided. A network optimization device can process a performance parameter of a network and a service requirement of a target service flow by using a network optimization algorithm, to obtain a target network optimization policy, and can apply the target network optimization policy to the target service flow, to enable transmission performance of the target service flow to satisfy the service requirement. Because the network optimization device can automatically determine the network optimization policy based on the network optimization algorithm, efficiency of determining the network optimization policy is effectively improved. In addition, when determining the network optimization policy, the network optimization device further considers the performance parameter of the network.

Abstract: The present invention provides a method for separation and recovery of boron trifluoride and complexes thereof in an olefin polymerization reaction.

Abstract: A packet processing method and system, and a network device are disclosed, and belong to the field of network technologies. A first network device sends a first packet to a second network device through a first tunnel, and sends a second packet to a third network device through a second tunnel. The second network device forwards the first packet to the third network device through a third tunnel. The third network device processes the first packet and the second packet. The first network device is located at a first site. The second network device and the third network device are located at a second site. The first site and the second site are connected through a wide area network. Wide area network multipath transmission may be implemented in a multi-gateway scenario.

Abstract: Embodiments of this application relate to a call system, an extension, and a host in the field of communication technologies. An example call system includes a host and an extension. A network side device and the host are connected through a network side link, and the host and the extension are connected through a first terminal side link. The extension exchanges a call data packet with the network side device through the first terminal side link and the network side link. The extension and the host transmit the call data packet through a second terminal side link in response to determining that call quality of the extension is lower than a quality threshold. The first terminal side link is different from the second terminal side link.

Abstract: A gap measuring device is provided, which includes a base; a driving assembly including a first driving structure including a first moving part being capable of moving on the base in a first direction and a second driving structure being connected to the first moving part and including a second moving part being capable of moving in a second direction which is perpendicular to the first direction; and a measuring mechanism including a measuring rod bracket, a first measuring rod and a second measuring rod, a first end of the first measuring rod being provided with a first detection head, a first end of the second measuring rod being provided with a second detection head, a second end of the second measuring rod being provided with a pointer, the first detection head and the second detection head being located on the same side of the measuring rod bracket.

Abstract: A ceiling fan device with a wall control-compatible pull chain switch is disclosed, including a wall control module group, a pull chain switch assembly, a sampling and control module group, a drive module, and a fan motor. The wall control module group includes an operating module and a signal modulation module. The operating module is configured to be connected to a live wire, the signal modulation module is connected to the operating module, and operation on the operating module enables the signal modulation module to output a first control command. Operation on the pull chain switch assembly enables a second control command to be output. The sampling and control module group is connected to the drive module to drive the fan motor to operate by means of the drive module according to at least one of the first control command and the second control command.

Abstract: Various embodiments of the teachings herein include an industrial data processing method for an edge device. An example includes: collecting real-time data from a field device; constructing a first knowledge graph stored in the edge device, wherein the first knowledge graph comprises first ontology; and creating an instance by using the first ontology of the first knowledge graph and according to the real-time data, to fuse the real-time data with the first knowledge graph.

Abstract: A method of manufacturing a MOS device includes: providing a substrate having a source region and a drain region; forming a sandwich structure on the substrate, which includes a first SiO2 layer, a high-k dielectric layer, and a second SiO2 layer stacked sequentially from bottom up; forming a groove in the sandwich structure between the source region and the drain region, the depth of the groove extends from a top surface of the second SiO2 layer to inside the sandwich structure, wherein the depths at two sides of the groove are shallower than the depth at the center of the groove; forming a gate conductive layer, which fills the groove, wherein a top surface of the gate conductive layer is higher than that of the second SiO2 layer; and forming a sidewall structure on sidewalls of the gate conductive layer.

Abstract: An adaptive gain transient electromagnetic receiving system based on exponential prediction and a method thereof are provided. The system includes a signal input unit, an amplification unit, a gain control unit, and a dual channel signal acquisition card. The signal input unit includes a receiving coil and a low-pass filter, and the amplification unit is a voltage controlled amplifier; the low-pass filter pre-processes the output signal of the receiving coil and divides the output signal into two signals. One is passed through a gain control unit, and the other enters into a voltage controlled amplifier. The A/D converter of the gain control unit converts the analog signal output by the low-pass filter into a digital signal, the FPGA module calculates the gain voltage, and the dual channel signal acquisition card collects the amplified signal and gain voltage simultaneously, which enhances the signal detection capability in deep regions.

Abstract: An automatic high-speed stacking machine is disclosed, including a loading unit, a precision positioning unit, a stacking unit, a grabbing unit and a feeding unit. The feeding unit includes a platen configured to place silicon steel sheet stack; a material warehouse configured to store the platen containing the silicon steel sheet stack. An area of a side of the material warehouse is defined as a reclaiming area, and an area of a side of the loading unit is defined as a loading area. A skip car moving back and forth between the reclaiming area and the loading area is configured to take out and send the platen containing the silicon steel sheet stack from the material warehouse to the loading area, or send an empty platen back to the material warehouse.

Abstract: Systems and methods for customizing a machine learning model for responding to a user query. The system receives a user query from a user of a conversational program. The system determines a set of model requirements for a first machine learning model. Based on the set of model requirements, the system determines first supplemental data corresponding to the required input data and a formatting requirement corresponding to an activation pattern. The system performs pre-processing to obtain the first supplemental data from a first supporting software program and generates the first response using the first machine learning model.

Abstract: The present disclosure relates to a heat dissipation processing method, apparatus, device and medium for air conditioner outdoor unit. The heat dissipation processing method for air conditioner outdoor unit includes: when the air conditioner is in cooling operation, obtaining the voltage of the air conditioner outdoor unit; and determining the fan speed of the air conditioner outdoor unit according to the voltage of the air conditioner outdoor unit.