Abstract: A flight pushback state monitoring method based on multi-modal data fusion comprises: 1, constructing a control intention recognition rule, and recognizing a pushback intention from a control instruction sent by a controller; 2, constructing a flight intention recognition model, extracting an aircraft action from a real-time monitoring video, and capturing a flight intention; and 3, constructing an intention alignment fusion rule, and judging whether control intention information conflicts with flight intention information; by fusing the control intention and the flight intention, the method can realize the following auxiliary functions: timely judging whether the aircraft follows the pushback instruction sent by the controller, if a captain does not act according to the control instruction or acts arbitrarily without a control instruction, giving an inconsistent alarm, and a function of monitoring the flight pushback state is implemented.

Abstract: A relay apparatus receives a first message from a first terminal device; and sends the first message when the relay apparatus determines that data of a target application is allowed to be transmitted through the relay apparatus. The relay apparatus stops sending the first message when the relay apparatus determines that the data of the target application is not allowed to be transmitted through the relay apparatus. The first message includes relay service indication information, and the relay service indication information is used to indicate the first terminal device to request to establish a relay link.

Abstract: The present disclosure discloses a method of preparing a Ni active site-loaded C—Si aerogel catalyst, and a product and use thereof, belonging to the technical field of catalyst preparation. The method includes the following steps: (1) dissolving absolute ethanol, trimethoxymethylsilane, cetyltrimethylammonium bromide and HCl in deionized water, conducting hydrolysis to obtain a hydrolyzate, followed by adjusting a pH value of the hydrolyzate to 7 to 8.5, and drying to obtain a C—Si aerogel; and (2) in the absolute ethanol, mixing NiCl2.6H2O with the C—Si aerogel obtained in step (1) uniformly, and conducting ultrasonication, impregnation and drying, followed by calcination to obtain the Ni active site-loaded C—Si aerogel catalyst. In the present disclosure, the prepared Ni active site-loaded C—Si aerogel catalyst is capable of conducting catalytic degradation of aromatic volatile organic compounds (VOCs) at room temperature.

Abstract: This application relates to the field of communication technologies, and provides a slice access method, apparatus, and system, to reduce a probability that a terminal service fails because a slice that is not suitable for a current to-be-initiated service is matched. The slice access method includes: receiving one or more user route selection policy rules URSP rules from a network apparatus, and performing URSP matching according to the one or more URSP rules. At least one URSP rule in the URSP rules includes indication information, and the indication information indicates to match one or more preset URSP rules or match one or more preset route selection descriptors RSDs. The method is applied to a network slice access procedure.

Abstract: This application provide a service guarantee method and apparatus. The method is applied to a scenario in which a remote terminal device accesses a network via a relay device. The method includes: A PCC rule generated by a policy control network element based on subscription data of the remote terminal device includes a second quality of service QoS parameter of a second communication interface between the remote terminal device and the relay device, so that a session management network element can generate, according to the received PCC rule, a second QoS rule corresponding to the second communication interface, and the session management network element can send the second QoS rule to the relay device. The QoS rule required by the second communication interface is generated based on the subscription data of the remote terminal device, and the remote terminal device can access a service via the relay device.

Abstract: A multi-dimensional flight release efficiency evaluation method. The method comprises: obtaining air flow control production and operation data which mainly comprises airspace capacity information, flight scheduling basic information, flight four-dimensional trajectory information and the like through a business information comprehensive processing platform, identifying a flight object affected by flow control and a flight object restricted by flow control through processing the operation data, analyzing a flight release time-hopping degree, calculating flight release delay distribution, evaluating controlled flight release fairness, predicting a controlled flight release normal rate, comparing airspace flow capacity matching situations, establishing a multi-dimensional flight release efficiency evaluation index set, and visually displaying evaluation indexes in modes of list, histogram, line chart, radar chart and the like.

Abstract: This application discloses a service processing method for a proximity service, a device, and a system, and relates to the field of wireless communication technologies, to resolve a problem such as inappropriate charging caused because a network side does not perform, in proximity service (ProSe) communication, service supervision or service management on a data packet transmitted by remote user equipment (UE) via relay UE. In this application, a first network element (for example, an access and mobility management function AMF network element or a session management function SMF network element) may obtain, based on relay information that is received from the remote UE and that includes a relay service code or first indication information indicating that the remote UE is to transmit a service in relay mode, policy configuration information for detecting or monitoring service data forwarded by the relay UE.

Abstract: A method for determining a policy control network element, in which a mobility management network element obtains first indication information, where the first indication information indicates to select a same policy control network element as a policy control network element for access and mobility management and a policy control network element for session management; the mobility management network element receives a session establishment request from a terminal for establishing a first session; and the mobility management network element sends second indication information and information about a first policy control network element to a session management network element based on the first indication information, where the second indication information indicates to select a same policy control network element as a policy control network element used for access and mobility management and a policy control network element used for session management of the first session.

Abstract: A communication method is provided, a first policy control network element sends a subscription message to a usage monitoring network element, where the subscription message includes identification information of a first slice and identification information of a terminal device, and the subscription message is for subscribing to usage status information of the terminal device in the first slice. The first policy control network element receives, from the usage monitoring network element, first indication information indicating that usage of the terminal device in the first slice is exhausted. The first policy control network element sends, to a mobility management network element, availability status information of the first slice indicating that the first slice is unavailable; or the first policy control network element sends a user route selection policy to the terminal device, where the user route selection policy does not include the identification information of the first slice.

Abstract: A flight pushback state monitoring method based on multi-modal data fusion comprises: 1, constructing a control intention recognition rule, and recognizing a pushback intention from a control instruction sent by a controller; 2, constructing a flight intention recognition model, extracting an aircraft action from a real-time monitoring video, and capturing a flight intention; and 3, constructing an intention alignment fusion rule, and judging whether control intention information conflicts with flight intention information; by fusing the control intention and the flight intention, the method can realize the following auxiliary functions: timely judging whether the aircraft follows the pushback instruction sent by the controller, if a captain does not act according to the control instruction or acts arbitrarily without a control instruction, giving an inconsistent alarm, and a function of monitoring the flight pushback state is implemented.

Abstract: A flight schedule optimization method based on a flight normality target is capable of carrying out pre-analysis on flight operation efficiency of a current flight schedule based on a national air traffic control service capability, and on this basis, generating a corresponding flight schedule adjustment suggestion according to a flight normality optimization target, which aims to provide a technical support means for carrying out flight schedule rationality analysis and optimization in strategic air traffic flow management.

Abstract: A time-space conversion method of flight sequencing information aims to solve a problem that a flight sequencing suggestion generated by an arrival management system has poor effect in practical application due to abstract characteristics, comprising: generating a sequencing time and a delay suggestion of a flight in each key point in a terminal area and each runway by using a flight sequencing technology; predicting a flight status of the flight according to a current position and 4D trajectory information of the flight, and filtering a delay-consumed flight segment, and on that basis, generating a flight segment delay allocation strategy with reference to an aircraft performance and sequencing information, and obtaining a flight segment delay allocation result; and generating a visual spatial position reference target according to the flight segment delay allocation result and an operation deviation limit.

Abstract: An airspace network optimization method based on a flight normality target is capable of comprehensively considering spatial and temporal distribution of national air traffic demands, a service capability of an airspace network and a capacity increase limit of each airspace unit according to the flight normality optimization target on the basis of carrying out pre-analysis on a flight operation efficiency under a current airspace service capability, to position a key problem airspace and generate a capacity expansion suggestion of the related airspace; and aims at improving the flight operation efficiency by expanding the airspace service capability, and providing technical support for a user to carry out analysis and optimization work of national airspace network problems at a strategic level.

Abstract: A method for enhancing degradation of ester volatile organic compounds with a cerium oxide supported palladium single atom catalyst under low-temperature microwave comprises the steps of firstly preparing a single atom catalyst Pd/CeO2, adding the catalyst Pd/CeO2 into a reaction cavity, initiating microwave radiation to enhance the catalysis reaction, and quickly introducing an ester compound with a concentration of 50˜5000 mg/m3 and a space velocity of 2000˜100000 h?1 into the reaction cavity from a vapor phase sampling port to react when the reaction temperature is 10˜80° C. A catalyst packed column is provided in the reaction cavity, the vapor phase sampling port is defined at the bottom of the reaction cavity, and an exhaust port is defined at the top of the cavity. The microwave method can enhance and activate active sites, prevent the aging of active sites, and enable the chemical reaction rate to be increased by more than 17.9%.

Abstract: The present disclosure relates to a static CT detection device, including: a shielding body, formed with a detection channel through which an object under detection can pass; a ray source, emitting rays for detecting the object under detection when the object under detection passes through the detection channel; and a detector, for acquiring the rays emitted by the ray source and having passed through the detection channel, wherein the shielding body is formed with an opening portion, and the opening portion extends from an inlet of the detection channel to an outlet of the detection channel.

Abstract: In a communication method when a preset quantity of terminal devices is allowed to simultaneously use a user identifier and a terminal device expects to use the user identifier, the terminal device sends a first message including the user identifier to a first network element. The first network element determines, based on information about the user identifier, whether the first terminal device is allowed to use the user identifier.

Abstract: A slice control method and apparatus are provided. The method includes: a policy control network element receives, from a slice access control network element, slice access status information of a network slice, the slice access status information comprises information indicating a network slice traffic bandwidth of the network slice; determines, based on the current slice access status information of the network slice, that the network slice traffic bandwidth exceeds a corresponding maximum value allowed by configuration; generates, in response to the determination, first session policy control information for a first session in the network slice; and sends the first session policy control information to a session management network element corresponding to the first session, the first session policy control information being for policy control on the first session.