Abstract: Embodiments of the present invention disclose a communication method, apparatus, and system. The method includes: A first terminal device sends a wake-up signal to a second terminal device by using a first frequency domain resource, where the wake-up signal is used to activate a second frequency domain resource, the first frequency domain resource is used by two or more terminal devices to transmit wake-up signals, and the first frequency domain resource does not overlap the second frequency domain resource; and the first terminal device sends sidelink SL data to the second terminal device by using the second frequency domain resource. Embodiments of the present invention can reduce power consumption of the terminal devices in sidelink communication.

Abstract: A system and method for converting a document is described. The system accesses a document comprising one or more section breaks. The system detects sections of the text document demarked by the one or more section breaks and generates a section title metadata and a section summary metadata for each section of the plurality of sections. The system inserts the section title metadata and the section summary metadata at the corresponding section breaks in the text document. The system modifies the text document into slides. Each slide being formed for each section based on the corresponding section title metadata and the section summary metadata. The system generates a presentation document based on the slides.

Abstract: The present invention discloses a right-angle turning method for small-diameter TBM exploration adit excavation and belongs to the field of geological exploration of water conservancy and hydropower projects.

Abstract: Disclosed is a linear motor, including a mover and a stator which cooperate with each other. The mover includes mover iron cores arranged at intervals in a movement direction of the mover, and the stator includes permanent magnets arranged at intervals in the movement direction. Each of the mover iron cores includes an iron core yoke portion and an iron core tooth unit joined to each other. The iron core tooth unit defines an opening, and each of the permanent magnets is located at least partially within the opening.

Abstract: Disclosed is a high voltage signal and low voltage signal sampling and transmission system based on a high voltage MCU, including a sampling unit, a high voltage processing unit, a communication unit and a low voltage processing unit. The sampling unit includes a bus voltage sampling module, a phase voltage detection module and an IGBT temperature detection module. The high voltage processing unit adopts the high voltage MCU, and the high voltage MCU is configured to perform state monitoring and analog-to-digital conversion on the three-way analog detection signals, and output a digital signal to the communication unit; the communication unit adopts an isolated communication unit to transmit the three-way digital signal converted by the high voltage MCU to the low voltage processing unit; the low voltage processing unit adopts a low voltage MCU to realize sampling and communication of high and low voltage sampling signals.

Abstract: Disclosed are a preparation method of a display panel, a display panel and a displaying device. The display panel comprises a plurality of first-color subpixels, and each first-color subpixel comprises a base, the base comprising a first driving electrode and a second driving electrode; a flat layer disposed on the side, near the first driving electrode and the second driving electrode, of the base; a patterned passivation layer and at least one first electrode disposed on the side, away from the base, of the flat layer, the first electrode being connected with the first driving electrode through via holes penetrating the flat layer; and at least one second electrode disposed on the side, away from the base, of the passivation layer, the second electrode being connected with the second driving electrode through via holes penetrating the passivation layer and the flat layer.

Abstract: Provided are a preparation method for a propylene epoxidation catalyst, and a use thereof. During the preparation, an alkoxide solution of a prepared active component and a silica gel support are mixed, then a rotary evaporation treatment is performed on the mixture to remove a low-carbon alcohol to obtain a catalyst precursor, and then the obtained catalyst precursor is subjected to calcination and silylation treatments to obtain the propylene epoxidation catalyst. The catalyst is prepared in a simple process, can be applied to the chemical process of preparing propylene oxide by propylene epoxidation, has high average selectivity to propylene oxide, and has industrial application prospect.

Abstract: Systems, methods, and storage media for payment collection are disclosed. An example method comprises: obtaining, at a code scanner, payment account information comprised in a payment code of a purchasing user by scanning the payment code; sending, at the code scanner, the payment account information to a processor; determining, at the processor, a payment amount due, to construct a payment request comprising the payment amount due, the payment account information, and the device identifier; sending, at the processor, the payment request to a communication module; and sending, at the communication module, the payment request to the target server for the target server to, according to the payment request, deduct the payment amount due from a payment account of the purchasing user corresponding to the payment account information, and add the payment amount due to the payment receiving account corresponding to the device identifier.

Abstract: Systems, methods, and storage media for payment collection are disclosed. An example method comprises: obtaining, at a code scanner, payment account information comprised in a payment code of a purchasing user by scanning the payment code; sending, at the code scanner, the payment account information to a processor; determining, at the processor, a payment amount due, to construct a payment request comprising the payment amount due, the payment account information, and the device identifier; sending, at the processor, the payment request to a communication module; and sending, at the communication module, the payment request to the target server for the target server to, according to the payment request, deduct the payment amount due from a payment account of the purchasing user corresponding to the payment account information, and add the payment amount due to the payment receiving account corresponding to the device identifier.

Abstract: The application discloses a resource distributing method and device used for improving resource distributing efficiency. The method comprises: receiving a resource distributing request and determining one or more pre-selected receiving identifiers; determining a total distributing budget for distributing a resource; determining a distributing result according to the total distributing budget and one or more pre-selected receiving accounts corresponding to the one or more pre-selected receiving identifiers, wherein the distributing result is a resource value based on which the resource is to be distributed from the sending account to a receiving account in the one or more pre-selected receiving accounts; and distributing the resource from the sending account to the receiving account according to the distributing result. The application further discloses a red-envelope distributing method.

Abstract: Order determination technologies for unmanned store are disclosed. In an implementation, registration information including a container identifier (ID) associated with a shopping container is received from a mobile device of a customer shopping at a store. A user account of the customer is associated with the container ID based on the registration information. A radio frequency (RF) signal from an RF tag attached to the shopping container is detected. A plurality of RF signals are received from a plurality of RF tags are attached to a plurality of corresponding items in the store. One or more items of the plurality of items are determined within a predetermined distance from the shopping container based on the RF signals. An order including the determined one or more items is generated, and the order is associated to the customer's user account to be paid by the customer.

Abstract: Disclosed is a linear motor, including a mover and a stator which cooperate with each other. The mover includes mover iron cores arranged at intervals in a movement direction of the mover, and the stator includes permanent magnets arranged at intervals in the movement direction. Each of the mover iron cores includes an iron core yoke portion and an iron core tooth unit joined to each other. The iron core tooth unit defines an opening, and each of the permanent magnets is located at least partially within the opening.

Abstract: A plugging agent with temperature-resistant, salt-resistant and high-expansion for plugging large fractures and a preparation method thereof of the present disclosure are provided, the plugging agent system consists of the following components: main agent: 6%˜10%, cross-linking agent: 0.6%˜1%, initiator: 0.006%˜0.01%, additive: 6%˜14%, and the rest being water; the preparation method includes the following steps: adding montmorillonite to water to prepare a montmorillonite dispersion system; adding the main agent, the cross-linking agent and the initiator to the montmorillonite dispersion system to prepare a main agent solution; putting the main agent solution into an oven with a temperature range with 90˜20° C. for 9˜48 h to obtain gelation, the adhesive strength of the agent system can reach grade H, with 50˜80 expansion multiple, good strength after being expanded and good water plugging effect under the condition of a temperature of 140° C. and 250,000 degree of mineralization.

Abstract: Systems, methods, and storage media for payment collection are disclosed. An example method comprises: obtaining, at a code scanner, payment account information comprised in a payment code of a purchasing user by scanning the payment code; sending, at the code scanner, the payment account information to a processor; determining, at the processor, a payment amount due, to construct a payment request comprising the payment amount due, the payment account information, and the device identifier; sending, at the processor, the payment request to a communication module; and sending, at the communication module, the payment request to the target server for the target server to, according to the payment request, deduct the payment amount due from a payment account of the purchasing user corresponding to the payment account information, and add the payment amount due to the payment receiving account corresponding to the device identifier.

Abstract: An audio signal is obtained by a user terminal. The audio signal is divided into a plurality of short-time energy frames based on a frequency of a predetermined voice signal. Energy of each short-time energy frame is determined. Based on the energy of each short-time energy frame, whether the audio signal includes a voice signal is determined.

Abstract: The present disclosure provides a method for determining a user's order in a physical store, without requiring the user to queue for checkout and have their order manually created. A service management system performs a gesture recognition on the user, as well as receives location information of a commodity. The service management system then determines whether the user is leaving a shopping area with the commodity, and adds information corresponding to the commodity to the user's order.

Abstract: An audio signal is obtained by a user terminal. The audio signal is divided into a plurality of short-time energy frames based on a frequency of a predetermined voice signal. Energy of each short-time energy frame is determined. Based on the energy of each short-time energy frame, whether the audio signal includes a voice signal is determined.

Abstract: A method of determining a set of virtual machine instances in a virtualized system to be scaled in response to a variation in workload of a service or application component, the method comprising generating respective sets of aggregated metrics for respective ones of multiple virtual machines, generating a directed graph in which nodes representing a resource of one or more of the multiple virtual machines are linked using one or more edges, the weight of each of the edges representing a time-lagged partial correlation value and a time lag value representing a measure of when to scale one resource relative to another, determining the set of virtual machine instances to be scaled by removing edges of the directed graph whose weight falls below a threshold measure and removing nodes whose incident edges have been removed, and scaling the weight of remaining edges of the directed graph relative to a selected node of the graph.

Abstract: The application discloses a resource distributing method and device used for improving resource distributing efficiency. The method comprises: receiving a resource distributing request and determining one or more pre-selected receiving identifiers; determining a total distributing budget for distributing a resource; determining a distributing result according to the total distributing budget and one or more pre-selected receiving accounts corresponding to the one or more pre-selected receiving identifiers, wherein the distributing result is a resource value based on which the resource is to be distributed from the sending account to a receiving account in the one or more pre-selected receiving accounts; and distributing the resource from the sending account to the receiving account according to the distributing result. The application further discloses a red-envelope distributing method.

Abstract: Order determination technologies for unmanned store are disclosed. In an implementation, registration information including a container identifier (ID) associated with a shopping container is received from a mobile device of a customer shopping at a store. A user account of the customer is associated with the container ID based on the registration information. A radio frequency (RF) signal from an RF tag attached to the shopping container is detected. A plurality of RF signals are received from a plurality of RF tags are attached to a plurality of corresponding items in the store. One or more items of the plurality of items are determined within a predetermined distance from the shopping container based on the RF signals. An order including the determined one or more items is generated, and the order is associated to the customer's user account to be paid by the customer.