Abstract: A light-colored polycarboxylated polysaccharide tanning agent, and a preparation method and use thereof are provided. The light-colored polycarboxylated polysaccharide tanning agent includes the following raw materials: a polysaccharide, an organic solvent, a catalyst, and hydrogen peroxide. Based on a weight of the polysaccharide, a weight of the organic solvent accounts for 1 wt % to 15 wt %, a weight of the catalyst accounts for 0.05 wt % to 2 wt %, and a weight of the hydrogen peroxide accounts for 30 wt % to 80 wt %. The preparation method provided by the present disclosure adopts a two-phase solution system. Compared with the existing preparation technologies, the preparation method of the present disclosure can efficiently extract and remove colored substances produced during an oxidation process, and can timely block a polymerization reaction of the colored substances with an oxidized polysaccharide, such as to significantly reduce a chromaticity of an oxidized product.

Abstract: A light-colored polycarboxylated polysaccharide tanning agent, and a preparation method and use thereof are provided. The light-colored polycarboxylated polysaccharide tanning agent includes the following raw materials: a polysaccharide, an organic solvent, a catalyst, and hydrogen peroxide. Based on a weight of the polysaccharide, a weight of the organic solvent accounts for 1 wt % to 15 wt %, a weight of the catalyst accounts for 0.05 wt % to 2 wt %, and a weight of the hydrogen peroxide accounts for 30 wt % to 80 wt %. The preparation method provided by the present disclosure adopts a two-phase solution system. Compared with the existing preparation technologies, the preparation method of the present disclosure can efficiently extract and remove colored substances produced during an oxidation process, and can timely block a polymerization reaction of the colored substances with an oxidized polysaccharide, such as to significantly reduce a chromaticity of an oxidized product.

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 method and an apparatus for wireless transmission of service data, and a device. The method for wireless transmission of service data provided in the present invention includes: receiving a bandwidth information report sent by a base station, where the bandwidth information report carries a service bandwidth that is admissible to the base station; determining, according to the service bandwidth, service data that matches the service bandwidth; and sending the determined service data to the base station. By using the present invention, a transmission mode of service data can adapt to an unstable bandwidth of a wireless network, and service data that can ensure smooth implementation of a service is identified based on prediction of a capability of a base station, thereby achieving improvement of 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.