11results about How to "Meet service needs" patented technology

The invention relates to the technical field of unmanned aerial vehicle nest site selection, in particular to an unmanned aerial vehicle nest site selection and layout method for urban governance, and the method comprises the steps: dividing a target region, and obtaining the address of each to-be-screened nest; obtaining a comprehensive evaluation index according to the coverage condition of the population in the to-be-screened machine nest address, the concentration condition of the residence community, the concentration condition of various infrastructures and the distribution of residents interfered by the machine nests; according to the comprehensive evaluation index and distance distribution between the to-be-screened machine nest addresses, screening the to-be-screened machine nest addresses to obtain alternative addresses; obtaining a target function according to the coverage condition of the residence community in the unmanned aerial vehicle service range corresponding to each alternative address, the comprehensive evaluation index of the alternative address and the quantity distribution condition; and optimizing the target function by using a tabu search algorithm to obtain a nest site selection scheme and a corresponding number of unmanned aerial vehicle nests. The task execution efficiency and flexibility are improved, and the limitation of isolated arrangement in the traditional technology is solved.

The invention discloses carbon fiber toughened ceramic matrix composite 3D printing equipment, a printing method and application. Through the specific structural design of the fiber bundle guide assembly, the tensioning pulley is used for tensioning and expanding the carbon fiber bundle in the conveying process, the dipping surface between the carbon fiber bundle and the ceramic slurry can be enlarged, the dipping time is prolonged, and the wettability between the carbon fiber bundle and the ceramic slurry is greatly improved; meanwhile, due to the design of the composite material extrusion opening, when the carbon fiber bundles soaked with the ceramic slurry are discharged, the carbon fiber bundles and the ceramic slurry can be circumferentially extruded, the discharging speed of the carbon fiber bundles at the composite material extrusion opening can be reduced, and the flow speed of the ceramic slurry in the center of the bottom end of the printing head is reduced. Therefore, the friction force between the carbon fiber bundle and the ceramic slurry is improved, the DIW forming efficiency and the mechanical property of the ceramic-based composite material are improved, and the service requirements of some aircrafts in the supernormal service environment can be met.

The invention provides a scheme recommendation method and device, electronic equipment, a storage medium and a program product, and relates to the technical field of computers. The method comprises the following steps: acquiring target information; the target information is used for indicating at least one service demand satisfied by a target space expected by a target user; performing intelligent analysis based on the target information and the intelligent device in the target space to obtain an intelligent analysis result; based on the intelligent analysis result, determining a target device which needs to be configured and meets the service demand, and generating a corresponding intelligent recommendation scheme; the intelligent recommendation scheme is used for recommending the target equipment which needs to be configured and meets the service requirement to the target user. The problem that it is difficult for a user to select a proper intelligent device in the prior art is solved.

The invention discloses a large-size ultra-fine grain refractory high-entropy alloy and a preparation method thereof, and belongs to the field of refractory high-entropy alloy materials.The method comprises the steps that simple substance powder of refractory elements and strong segregation elements is mixed, compression molding is conducted, a blank is heated to the first temperature and subjected to heat preservation for the first time, and the blank is cooled to the second temperature and subjected to heat preservation for the second time; raising the temperature to a third temperature, keeping the temperature for a third time, and finally quenching to obtain the large-size ultra-fine grain refractory high-entropy alloy. The refractory elements are selected from at least four of zirconium, niobium, molybdenum, hafnium, tantalum and tungsten, and the strong segregation elements are selected from at least one of boron, nickel and titanium; the second time is longer than the first time and the third time. According to the method, the ultra-fine grain refractory high-entropy alloy with the amorphous grain boundary is prepared, so that the room-temperature strong plasticity of the refractory high-entropy alloy is achieved, the stability of the refractory high-entropy alloy at the high temperature can be improved, and compared with vacuum arc melting and discharge plasma sintering, the shape and the size of a blank are less limited.

The invention discloses a high-hardness corrosion-resistant iron-based amorphous alloy and a preparation method thereof, and belongs to the technical field of amorphous alloy materials. The iron-based amorphous alloy comprises the following components in percentage by mass: 20%-24% of Cr, 3%-7% of Mo, 3.6%-4.0% of B, 0.3%-0.7% of C, 1.0%-1.4% of Si, 1%-5% of Al, 1%-3% of Nb and the balance of Fe. The corrosion resistance is enhanced through the synergistic effect of Mo and Cr; b is a core amorphous forming element; c is used as a metalloid small atom, so that the amorphous forming ability of an alloy system is improved; si and B synergistically improve the amorphous forming ability and participate in formation of a Si-O passivation film at the same time; al optimizes the flowability of the alloy melt; nb is used as a large atom to improve the atom mismatch degree of a system and improve the amorphous forming ability; by accurately regulating and controlling the mass ratio of Fe, Cr, Mo, B, C, Si, Al and Nb, collaborative optimization of amorphous forming ability, hardness, corrosion resistance and forming stability is realized, meanwhile, the preparation process is simplified, and the production cost is reduced.

The present disclosure provides an interface display method, device, system, electronic device, computer readable storage medium and computer program product, relating to the technical field of computer. The method comprises: displaying a screen projection window and a local window on a current display interface, and obtaining first running data of an application in the screen projection window and second running data of an application in the local window; generating predicted operation information based on the display mode of the screen projection window and the local window on the current display interface, the first running data, the second running data and historical operation information, wherein the predicted operation information comprises predicted operations associated with the application in the screen projection window and / or predicted operations associated with the application in the local window; generating and displaying an operation interface for executing the predicted operations in the predicted operation information based on the predicted operation information, wherein the operation interface comprises a screen projection operation window and / or a local operation window. The method greatly improves the user experience.

This invention discloses an AlCuMnMgSiZr heat-resistant aluminum alloy sheet containing Er, Sn, and Ag, and its preparation method. The composition of the sheet by weight percentage includes: Cu 4.0-5.6%, Mg 0.1-0.35%, Mn 0.2-0.4%, Zr 0.1-0.3%, Si 0.1-0.3%, Er 0.05-0.25%, Sn 0.05-0.20%, Ag 0.1-0.8%, with the balance being Al and unavoidable impurities. This invention utilizes multi-component composite microalloying of Er, Sn, Ag with Si, Mg, and Zr, combined with homogenization, hot rolling, solution treatment, and aging, to leverage the multi-scale synergistic strengthening and stabilizing effects of the Al3(Er,Zr) composite phase, Ω phase, and θ' phase. This results in a sheet material exhibiting high strength and excellent long-term thermal stability across a wide temperature range, from ultra-low temperatures (-196℃) to high temperatures (300℃), while also improving corrosion resistance. This sheet material is particularly suitable for critical structural components in reusable rockets, such as cryogenic storage tanks and rocket skin, which require resistance to severe thermal cycling.

The present application relates to the technical field of data storage, and specifically provides a method, device, storage medium and electronic device for dynamic management of a storage pool, the method may include: obtaining a user status in a user parameter corresponding to a specified timestamp; determining a management stage for the user by comparing the user status with the user's current status, wherein the management stage includes: a capacity dynamic allocation stage and a storage dynamic allocation stage; the capacity dynamic allocation stage is used to adjust the service capacity provided to the user, and the storage dynamic allocation stage is used to adjust the location for storing user data related to the user. Some embodiments of the present application can achieve reasonable utilization of storage pool resources.

The invention discloses a cross-water-surface multi-channel visible light communication real-time system based on an FPGA (Field Programmable Gate Array), which adopts the FPGA as a real-time signal processing unit and processes signal transmission and reception at the same time. By integrating low density even check (LDPC) codes from 5G new radio, the system significantly improves its ability to detect dynamic W2A-OWC scenarios. The system also optimizes the use of FPGA resources by time multiplexing of the IP core of the LDPC decoder. The system not only supports monochromatic light transmission, but also supports polychromatic light transmission, and can cover LEDs with different wavelengths so as to meet various service requirements and adapt to complex environments. The light source array serves as a transmitting end, the detector array serves as a receiving end, a multi-channel transmitting and receiving module is achieved, the rate of a communication system can be increased, simultaneous transmission of multiple data streams is promoted, and the overall throughput is improved.

The invention discloses a traffic scheduling method and device, equipment, a storage medium and a product. The method comprises: receiving configuration data which is issued by a control device and represents a mapping relationship between an application identifier group and a traffic path group, the application identifier group corresponding to an application identifier and / or a user identifier of a service traffic and comprising a plurality of ARN IDs, and the traffic path group comprising a plurality of traffic paths in one-to-one correspondence with the ARN IDs; and determining a target traffic path of the service traffic from the plurality of traffic paths based on the configuration data, and transmitting data of the service traffic based on the target traffic path. Therefore, intelligent scheduling of the traffic path of the service traffic can be realized on the network equipment side based on the application identifier group and the traffic path group, the service requirements of multiple SLAs of the service application can be met, and the service quality fluctuation of the service application can be timely responded to carry out path scheduling, so that the service quality of an end side application level can be effectively guaranteed.

The invention discloses a high-temperature hydrogen embrittlement-resistant single-phase tungsten-based alloy for hydrogen metallurgy and a preparation method thereof, belonging to the field of advanced nonferrous metal materials. The main elements of the tungsten-based alloy are tungsten and rhenium, and the specific components are calculated by mass percentage: 5-23% rhenium, 0.02-4% molybdenum, 0.05-3% tantalum, 0.04-3% niobium, 0.03-2% vanadium, 0.02-0.5% nickel, 0.02-0.9% cobalt, 0.02-0.6% iridium, and the balance is tungsten. The preparation process adopts a high-pressure and rapid temperature rise and fall method to induce the alloy to produce more obvious lattice distortion, promote the rapid solid solution of multiple alloy elements, and realize the non-equilibrium sintering of the target component. The present invention synergistically reduces the intrinsic hydrogen solubility, hydrogen diffusion coefficient and brittle hydride formation tendency of the tungsten-based alloy by regulating the alloy composition and structure and designing the sintering process, and realizes the high-temperature hydrogen embrittlement resistance of the tungsten-based alloy by single-phase solid solution strengthening. At the same time, there is no second phase in the alloy, which effectively avoids the enrichment of hydrogen atoms at the interface between the second phase particles and the matrix, greatly reduces the crack source of hydrogen embrittlement failure of the material at high temperature, and can meet the service requirements of hydrogen metallurgical nozzles under high temperature and hydrogen-rich conditions.