Abstract: A computer-implemented method includes receiving data records from a plurality of different data sources, in which the data records include information regarding elements or components in one or more systems; consolidating the data records; extracting information from the consolidated data records to identify a plurality of nodes and connections between the plurality of nodes in the one or more systems; storing information identifying the plurality of nodes and the connections; and visually presenting the plurality of nodes and the connections in a user interface.

Abstract: An apparatus for managing production of one or more products includes a business backend; an interface service; a persistent data storage; a processor; and a message middleware. The business backend is configured to extract and organize data; and dispatch business data to the interface service. The interface service is configured to perform data validation on the business data received from the business backend; and transmit the business data to the persistent data storage and the message middleware. The persistent data storage is configured to store the business data received from the interface service as a reference for the calculation and analysis; and transmit data to the processor. The processor is configured to calculate overstock quantity and determine overstock type. The message middleware is configured to receive the business data from the interface service, and receive analysis results from the processor; and transmit the analysis results to interface service.

Abstract: A method for generating a fused automotive sensor data graph as well as an automotive control unit configured to perform the method are disclosed. A plurality of automotive sensor data graphs is obtained, which are each based on sensor data captured by a corresponding automotive sensor of the vehicle. At least one calibration matrix is obtained, which defines a transformation between sensor data nodes of at least two automotive sensor data graphs. Based on the plurality of automotive sensor data graphs and the at least one calibration matrix, the fused automotive sensor data graph is generated, which includes the plurality of automotive sensor data graphs as well as a plurality of fusion edges. The fused automotive sensor data graph is provided to an automotive perception function, which is implemented by a graph neural network.

Abstract: A computer-implemented method includes receiving data records from a plurality of different data sources, in which the data records include information regarding elements or components in one or more systems; consolidating the data records; extracting information from the consolidated data records to identify a plurality of nodes and connections between the plurality of nodes in the one or more systems; storing information identifying the plurality of nodes and the connections; and visually presenting the plurality of nodes and the connections in a user interface.

Abstract: The present invention provides a wafer cleaning method and a method for manufacturing semiconductor device. The wafer cleaning method includes: protonating a cleaning solution with a protonator; cleaning a wafer surface with the protonated cleaning solution so that the cleaned wafer surface carries an amount of negative charge smaller than an amount of negative charge present on a wafer surface that has been cleaned with a non-protonated cleaning solution and is covered with a liquid film of the cleaning solution; and purging the wafer surface with a drying gas to remove the liquid film from a center of the wafer surface towards its periphery. The technique proposed in the present invention is able to desirably suppress static electricity on a wafer surface and effectively reduce device failure that may be caused by static electricity, thereby increasing overall yield of integrated circuit manufacture.

Abstract: An optimization method of shield tunnel starting end reinforcement solution, which specifically includes the following steps: acquiring shield tunnel engineering data and temperature variation curves of thermometer holes; constructing a numerical model with thermal convection and a hydro-thermal coupling numerical model respectively according to the shield tunnel engineering data, wherein a first temperature variation curve and a second temperature variation curve can be obtained after carrying out numerical simulations on the above two models; the influence of seepage on the development law of a temperature field can be obtained by comparing and analyzing the temperature variation curves of the thermometer holes with the first and the second temperature variation curves; and finally the existing freezing solution of the shield tunnel is optimized according to the influence of the seepage on the development law of the temperature field, to ensure safe use of the shield tunnel.

Abstract: A method of modeling a wet etching process and a method of manufacturing a semiconductor device are disclosed. The modeling method includes: establishing partial differential equations of a reaction-diffusion system for chemical reactions involved in the wet etching process which is performed on a wafer surface using a mixed acid solution; obtaining formulas for the chemical reaction functions by applying the Brusselator model thereto; linearizing and expanding the formulas for the chemical reaction functions and thereby determining conditions for developing a chemical clock for the chemical reactions; calculating simulation parameters of the formulas for the chemical reaction functions; determining diffusion coefficients in the spatial diffusion terms, which allow formation of dome-shaped micro-cavities, thereby obtaining a mathematical model of the reaction-diffusion system for the chemical reactions involved in the wet etching process on the wafer surface.

Abstract: An efficient five-cylinder drilling pump system, includes a solid control system and a drilling rig provided, belonging to the technical field of petroleum drilling equipment; wherein the system includes a drilling pump group, a frequency conversion control room and a pump health system; the drilling pump group includes a base, the base is provided with a transmission assembly, a power end assembly, a hydraulic end assembly and a lubrication system; the frequency conversion control room is used to provide frequency-changing AC power for the transmission assembly, and realize the control and operation of the drilling pump group, the pump health system includes a power end health diagnosis system and a hydraulic end health diagnosis system; a high-power five-cylinder drilling pump system, a solids control system and a drilling rig of the present invention can monitor the pumping equipment in real time, and use electronic monitoring to monitor the pumping equipment in real time.

Abstract: The present invention relates to a high-power five-cylinder drilling pump set, a solid control system and a drilling rig, which belongs to a technical field of oil drilling equipment. The high-power five-cylinder drilling pump set includes: a base, a drilling pump arranged on the base, and a lubricating system arranged on the base, wherein the drilling pump comprises a transmission assembly, a power end assembly and a hydraulic end assembly; the lubricating system comprises a power end lubricating system for lubricating and cooling the transmission assembly as well as the power end assembly, and a hydraulic end lubricating system for lubricating and cooling the hydraulic end assembly. According to the present invention, the high-power five-cylinder drilling pump set has a modular entire structure. In terms of the spatial layout, the present invention can effectively reduce the excessive size of conventional drilling pump or drilling pump structure.

Abstract: Provided is use of a SMO inhibitor in the preparation of a drug for preventing, delaying or alleviating access stenosis of arteriovenous fistula. It is creatively found herein that a SMO inhibitor can protect endothelial cells under the stimulation of high glucose and alleviate endothelial cell dysfunction, and specifically reduce lactate dehydrogenase (LDH), reduce apoptosis and reduce the production of inflammatory cytokines TNF-?, MCP-1, and IL-6. Furthermore, it is found herein that the SMO inhibitor can improve endothelial cell dysfunction by increasing the blood flow velocity in blood vessels, increasing the inner diameter of the blood vessel, improving the vascular intima thickening and reducing the production of inflammatory cytokines, thereby achieving the purpose of preventing, delaying or alleviating the access stenosis of arteriovenous fistula.

Abstract: Provided is an optimization method of shield tunnel starting end reinforcement solution, which specifically includes the following steps: acquiring shield tunnel engineering data and temperature variation curves of thermometer holes; constructing a numerical model with thermal convection and a hydro-thermal coupling numerical model respectively according to the shield tunnel engineering data, wherein a first temperature variation curve and a second temperature variation curve can be obtained after carrying out numerical simulations on the above two models; the influence of seepage on the development law of a temperature field can be obtained by comparing and analyzing the temperature variation curves of the thermometer holes with the first and the second temperature variation curves; and finally the existing freezing solution of the shield tunnel is optimized according to the influence of the seepage on the development law of the temperature field, to ensure safe use of the shield tunnel.

Abstract: A key structure includes a base plate, a key pedestal, a switch element and a keycap. The key pedestal includes an opening and at least one elastic element. The keycap includes a triggering post and at least one contacting part. The key pedestal is installed on the base plate. The switch element is installed on the base plate and disposed within the opening of the key pedestal. The triggering post of the keycap is inserted into the opening of the key pedestal. The switch element can be triggered by the triggering post. The elastic element of the key pedestal is aligned with the corresponding contacting part. The contacting part of the keycap is continuously pushed against the corresponding elastic element of the key pedestal. Consequently, the keycap is maintained in a horizontal state and not tilted.

Abstract: A key structure includes a keycap, a base plate and a connecting element. The keycap includes a sliding groove located at a bottom side the keycap. A top surface of the sliding groove faces a portion of the bottom surface of the keycap. Moreover, at least one of the top surface of the sliding groove and the portion of the bottom surface of the keycap is a slant surface. The base plate is located under the keycap. The connecting element is connected between the keycap and the base plate.