Abstract: The present invention provides a geotechnical centrifuge platform-based earthquake fault simulation system, involving the field of earthquake disaster simulation technology. A bottom support system of the geotechnical centrifuge platform-based earthquake fault simulation system is used to support a horizontal actuation system and simulate earthquake faults and site covering layers. The horizontal actuation system is used to apply horizontal thrusts to simulated earthquake faults and site covering layers. The simulated earthquake faults are used to fill fault test blocks to simulate bedrock layers of earthquake faults and the site covering layers are used to fill sand layer materials onto surfaces of the simulated earthquake faults to simulate soil layers of the earthquake faults.

Abstract: A multi-loop natural circulation experimental device under six-degree-of-freedom motion conditions and a method therefor are provided. The device includes: a six-degree-of-freedom motion simulation platform; a multi-loop main circulation loop including a serpentine pre-heater, an experimental section, two sleeve-type condensers, and a pressurized circulating pump, a voltage stabilizer and related equipment; and a cooling water system including a sleeve condenser, a plate heat exchanger, a cooling tower, a cooling fan, a cooling water tank and related equipment; and an electric heating system including a DC power supply, a low voltage power controller and a transformer. The present invention also provides an experimental method of the device.

Abstract: A substituted triazinylmethylcycloalkylcarboxylic acid derivative having a structure as shown in formula (I). In addition, further disclosed are a pharmaceutically acceptable salt, a stereoisomer, a pharmaceutical composition and the use of the derivative. The compound has significant P2X3 inhibitory activity and selectivity, and is high in application value.

Abstract: The present disclosure relates to a narrow slit channel visualization experimental device and method under a six-degree-of-freedom motion condition. The system comprises a six-degree-of-freedom motion simulation platform, a main circulation loop, a cooling water system, an electric heating system and a bubble monitoring system, wherein the main circulation loop is composed of an S-shaped preheater, a three-surface visualization experimental section, a double-pipe condenser, a pressurizing circulating pump, a voltage stabilizer and related equipment, wherein the cooling water system is composed of the double-pipe condenser, a plate heat exchanger, a cooling tower, a cooling fan, a cooling water tank and related equipment, wherein the electric heating system is composed of a direct-current power supply, a low-voltage power controller and a transformer, and wherein the bubble monitoring system is composed of two high-speed cameras, a PIV measuring system and an electric servo module.

Abstract: A rail welding method and device are provided. The method includes: welding a bottom of rail, wherein welding is repeatedly performed along a first swing trajectory in a lengthwise direction of a weld seam, from one end of the bottom of rail to the other end of the bottom of rail; welding a waist of rail, wherein welding is repeatedly performed in the lengthwise direction of the weld seam along a second swing trajectory, from one end of the waist of rail, and the second swing trajectory is divided into two regions for respective welding in a width direction of the weld seam; and welding a head of rail, wherein welding is performed in the lengthwise direction of the weld seam along the first swing trajectory, between one end of the head of rail and the other end of the head of rail.

Abstract: The present disclosure relates to a narrow slit channel visualization experimental device and method under a six-degree-of-freedom motion condition. The system comprises a six-degree-of-freedom motion simulation platform, a main circulation loop, a cooling water system, an electric heating system and a bubble monitoring system, wherein the main circulation loop is composed of an S-shaped preheater, a three-surface visualization experimental section, a double-pipe condenser, a pressurizing circulating pump, a voltage stabilizer and related equipment, wherein the cooling water system is composed of the double-pipe condenser, a plate heat exchanger, a cooling tower, a cooling fan, a cooling water tank and related equipment, wherein the electric heating system is composed of a direct-current power supply, a low-voltage power controller and a transformer, and wherein the bubble monitoring system is composed of two high-speed cameras, a PIV measuring system and an electric servo module.

Abstract: A multi-loop natural circulation experimental device under six-degree-of-freedom motion conditions and a method therefor are provided. The device includes: a six-degree-of-freedom motion simulation platform; a multi-loop main circulation loop including a serpentine pre-heater, an experimental section, two sleeve-type condensers, and a pressurized circulating pump, a voltage stabilizer and related equipment; and a cooling water system including a sleeve condenser, a plate heat exchanger, a cooling tower, a cooling fan, a cooling water tank and related equipment; and an electric heating system including a DC power supply, a low voltage power controller and a transformer. The present invention also provides an experimental method of the device.

Abstract: A redundant array of independent disks (RAID) includes a RAID controller records and stores data validity information of each strip unit, pre-determines a status of a target strip unit based on the data validity information of the strip unit when obtaining a data processing instruction, and determines whether a disk in which the target strip unit is located is used to execute the data processing instruction.

Abstract: Embodiments of the present invention provide a service provisioning system and method, a mobile edge application server and support node. The system includes: at least one mobile edge application server (MEAS) and at least one mobile edge application server support function (MEAS-SF), where the MEAS is deployed at an access network side; and the MEAS-SF is deployed at a core network side, connected to one or more MEAS. In the service provisioning system provided in the embodiment, services that are provided by an SP are deployed in the MEAS. When the MEAS can provide the user equipment with a service requested in a service request, the MEAS directly and locally generates service data corresponding to the service request. Therefore, the user equipment directly obtains required service data from an RAN side, which avoids data congestion between an RAN and a CN and saves network resources.

Abstract: Embodiments of the present invention provide a system, method, and device for providing an application service, including: a first access network device is connected to a first application server through a first interface, and the first application server is configured to process an application request received from the first access network device, where the application request is received by the first access network device from a user equipment. According to the embodiments of the present invention, an application server is deployed on a radio access network side, and the application server is capable of adjusting network sending scheduling according to a network environment, which can guarantee sending of service content and improve user experience.

Abstract: Embodiments of the present invention provide a method and apparatus for buffering data, which can perform highly reliable buffering processing on a received first data packet and further improve user experience. The method includes: receiving a first data packet; determining whether to perform accelerated transmission on data in the first data packet; and if it is determined not to perform accelerated transmission on the data in the first data packet, using a first manner to buffer the first data packet; and if it is determined to perform accelerated transmission on the data in the first data packet, using a second manner to buffer the first data packet, where a buffer duration in the second manner is greater than a buffer duration in the first manner. The present invention is applicable to the communications field.

Abstract: Embodiments of the present invention provide a system, method, and device for providing an application service, including: a first access network device is connected to a first application server through a first interface, and the first application server is configured to process an application request received from the first access network device, where the application request is received by the first access network device from a user equipment. According to the embodiments of the present invention, an application server is deployed on a radio access network side, and the application server is capable of adjusting network sending scheduling according to a network environment, which can guarantee sending of service content and improve user experience.

Abstract: Embodiments of the present invention provide a service provisioning system and method, a mobile edge application server and support node. The system includes: at least one mobile edge application server (MEAS) and at least one mobile edge application server support function (MEAS-SF), where the MEAS is deployed at an access network side; and the MEAS-SF is deployed at a core network side, connected to one or more MEAS. In the service provisioning system provided in the embodiment, services that are provided by an SP are deployed in the MEAS. When the MEAS can provide the user equipment with a service requested in a service request, the MEAS directly and locally generates service data corresponding to the service request. Therefore, the user equipment directly obtains required service data from an RAN side, which avoids data congestion between an RAN and a CN and saves network resources.

Abstract: Embodiments of the present invention provide a method and apparatus for buffering data, which can perform highly reliable buffering processing on a received first data packet and further improve user experience. The method includes: receiving a first data packet; determining whether to perform accelerated transmission on data in the first data packet; and if it is determined not to perform accelerated transmission on the data in the first data packet, using a first manner to buffer the first data packet; and if it is determined to perform accelerated transmission on the data in the first data packet, using a second manner to buffer the first data packet, where a buffer duration in the second manner is greater than a buffer duration in the first manner. The present invention is applicable to the communications field.

Abstract: Embodiments of the present invention provide a system, method, and device for providing an application service, including: a first access network device is connected to a first application server through a first interface, and the first application server is configured to process an application request received from the first access network device, where the application request is received by the first access network device from a user equipment. According to the embodiments of the present invention, an application server is deployed on a radio access network side, and the application server is capable of adjusting network sending scheduling according to a network environment, which can guarantee sending of service content and improve user experience.

Abstract: A method for network equipment to generate authentication information in the mobile communication system, at least includes the following process: set security key corresponding to mobile terminal in network equipment; and network equipment generates authentication information corresponding to mobile terminal based on said security key and a random number. And, a method for mobile terminal to authenticate communication network in the mobile communication network, at least includes the following process: set security key corresponding to mobile terminal in the mobile terminal; and after the authentication information from network equipment is received, the mobile terminal determines whether the network authentication succeeds based on said security key set by the mobile terminal and the authentication information.

Abstract: A method for network equipment to generate authentication information in the mobile communication system, at least includes the following process: set security key corresponding to mobile terminal in network equipment; and network equipment generates authentication information corresponding to mobile terminal based on said security key and a random number. And, a method for mobile terminal to authenticate communication network in the mobile communication network, at least includes the following process: set security key corresponding to mobile terminal in the mobile terminal; and after the authentication information from network equipment is received, the mobile terminal determines whether the network authentication succeeds based on said security key set by the mobile terminal and the authentication information.