Abstract: A catalytic reaction unit has a plurality of catalyst bed layers arranged vertically, each of the catalyst bed layers being filled with a solid catalyst, and an inclined surface on the upper part of the corresponding solid catalyst arranged between adjacent catalyst bed layers; a liquid phase feeding subunit arranged above the topmost catalyst bed layer, and the liquid phase feed is guided by the inclined surface to sequentially enter each catalyst bed layer from top to bottom; a gas phase feeding subunit arranged between the catalyst bed layer of an upper layer and the inclined surface of the next layer, and a gas phase channel relatively isolated from the gas phase feeding subunit. The gas phase product generated after the gas-phase feed and the liquid phase feed react in the catalyst bed layer directly enters the gas phase channel.

Abstract: Disclosed is a method and system for adjusting process parameters of a die-casting machine, and a storage medium. The method and the system can receive die wheel type, molten aluminum temperature, interruption time and defect information in real time, respond to the above information one by one according to a set response priority order, select die-casting process parameters, and automatically adjust different process parameters for different products and different working conditions, thereby realizing simultaneous control of multiple die-casting machines, replacing manual adjustment and improving product quality stability and production efficiency.

Abstract: The invention provides a preparation method of the matrix material for the gas diffusion layer of a fuel cell. The matrix material is obtained on the polyurethane sponge through the following process: conductively treating, electroplating, dissolving nickel by electrolysis, heat-treating, tungsten-nickel alloy electroplating, heat-treating, rolling. The mass content of the metal nickel of the matrix material is 88˜92%, and the mass content of the metal tungsten is 8˜12%. The material prepared by the invention has a high specific surface area, excellent thermal conductivity and gas permeability performance, excellent electrical corrosion resistance and oxidation resistance. After being prepared as the gas diffusion layer, as the diffusion layer and fuel cell electrode are closely connected, the material can effectively resist the electrochemical corrosion of the diffusion layer caused by the electrochemical reaction and is suitable for the matrix material of the gas diffusion layer.

Abstract: The present disclosure belongs to the technical field of casting equipment, and provides a method and system for adjusting process parameters of a die-casting machine, and a storage medium. The method and the system can receive die wheel type, molten aluminum temperature, interruption time and defect information in real time, respond to the above information one by one according to a set response priority order, select die-casting process parameters, and automatically adjust different process parameters for different products and different working conditions, thereby realizing simultaneous control of multiple die-casting machines, replacing manual adjustment and improving product quality stability and production efficiency.

Abstract: The invention provides a matrix material for the gas diffusion layer of the polymer electrolyte membrane fuel cell, which is composed of three-dimensional porous and strip-shaped hexagonal chambers connected to each other, wherein the six-sided ribs are composed of two metal layers, the inside is metal nickel, and the outside is tungsten-nickel alloy. The total mass of metal per square meter of the material is: 1500˜3000 grams, the mass content of metal nickel in the material is 88˜92%, the mass content of metal tungsten is 8˜12%, and the rest are impurities; the thickness of the matrix material is 0.1˜0.2 mm, specific surface area is (1˜2)×105 m2/m3; longitudinal air permeability ?2000 m/mm/(cm2hmmAq), longitudinal thermal conductivity ?1.7W/(m·k), transverse thermal conductivity ?21W/(m·K). The porous nickel-tungsten metal material of the invention, as the matrix material of the gas diffusion layer, has the advantages of lower electrical resistance and higher strength compared with carbon paper.

Abstract: Embodiments of the disclosure disclose a method for sending information and a gateway. The method includes that: a gateway acquires user online information; the gateway monitors a Domain Name System (DNS) domain name inquiring message, forges a DNS server returning domain name parsing response, and sends the forged response to a core network element or a user terminal browser; the gateway receives a user HyperText Transfer Protocol (HTTP) request returned by the core network element or the user terminal browser; and the gateway inquires the user online information according to the user HTTP request, adds the user online information in the user HTTP request by taking the user online information as HTTP header information, and sends the user HTTP request including the HTTP header information to an internet content and service provider.

Abstract: A mobile terminal and an operation mode switching method for a mobile terminal communication system are provided, the mobile terminal comprising at least a communication processor, wherein an operation mode in which the communication processor performs only a communication function is defined as a communication mode and an operation mode in which the communication processor performs both the communication function and an application function is defined as an application mode, the method comprising the following steps of acquiring, in the application mode, switching trigger information; and controlling the communication processor to switch from the application mode to the communication mode based on the switching trigger information. Also, in the communication mode, the system can also acquire switching information and switch from the communication mode to the application mode.

Abstract: A mobile terminal and switching method for controlling data transmission interface thereof are provided. The mobile terminal includes an application processor, a communication processor and data transmission interfaces thereof, the application processor including a traffic monitor unit and an interface control unit, wherein the traffic monitor unit is configured to detect data traffic of data transmission, compare the data traffic with a preset threshold to obtain a comparison result, and output the comparison result; and the interface control unit is configured to control, on receipt of the comparison result, the connection or disconnection of a high-speed data line between the application processor and the communication processor, and to transmit a corresponding interface switching command to the communication processor for switching the data transmission interface. With the present system, the power consumption of the system can be reduced and the efficiency of the data transmission can be improved.

Abstract: A mobile terminal and switching method for controlling data transmission interface thereof are provided. The mobile terminal includes an application processor, a communication processor and data transmission interfaces thereof, the application processor including a traffic monitor unit and an interface control unit, wherein the traffic monitor unit is configured to detect data traffic of data transmission, compare the data traffic with a preset threshold to obtain a comparison result, and output the comparison result; and the interface control unit is configured to control, on receipt of the comparison result, the connection or disconnection of a high-speed data line between the application processor and the communication processor, and to transmit a corresponding interface switching command to the communication processor for switching the data transmission interface. With the present system, the power consumption of the system can be reduced and the efficiency of the data transmission can be improved.

Abstract: A mobile terminal and switching method for controlling data transmission interface thereof are provided. The mobile terminal comprises an application processor, a communication processor and data transmission interfaces thereof, the application processor comprising a traffic monitor unit and an interface control unit, wherein the traffic monitor unit is configured to detect data traffic of data transmission, compare the data traffic with a preset threshold to obtain a comparison result, and output the comparison result; and the interface control unit is configured to control, on receipt of the comparison result, the connection or disconnection of a high-speed data line between the application processor and the communication processor, and to transmit a corresponding interface switching command to the communication processor for switching the data transmission interface. With the present invention, the power consumption of the system can be reduced and the efficiency of the data transmission can be improved.

Abstract: A mobile terminal and switching method for controlling data transmission interface thereof are provided. The mobile terminal comprises an application processor, a communication processor and data transmission interfaces thereof, the application processor comprising a traffic monitor unit and an interface control unit, wherein the traffic monitor unit is configured to detect data traffic of data transmission, compare the data traffic with a preset threshold to obtain a comparison result, and output the comparison result; and the interface control unit is configured to control, on receipt of the comparison result, the connection or disconnection of a high-speed data line between the application processor and the communication processor, and to transmit a corresponding interface switching command to the communication processor for switching the data transmission interface. With the present invention, the power consumption of the system can be reduced and the efficiency of the data transmission can be improved.

Abstract: A mobile terminal and an operation mode switching method for a mobile terminal communication system are provided, the mobile terminal comprising at least a communication processor, wherein an operation mode in which the communication processor performs only a communication function is defined as a communication mode and an operation mode in which the communication processor performs both the communication function and an application function is defined as an application mode, the method comprising the following steps of acquiring, in the application mode, switching trigger information; and controlling the communication processor to switch from the application mode to the communication mode based on the switching trigger information. Also, in the communication mode, the system can also acquire switching information and switch from the communication mode to the application mode.