14results about How to "Maintain long-term stability" patented technology

The invention relates to the field of material chemistry on-line detection, in particular to a 1, 2, 4-trichlorobenzene on-line detection material and a preparation method thereof, and provides a film-forming sensitive layer material capable of being coated on the surface of a transducer, and the film-forming sensitive layer material comprises chitosan, a crosslinking component with the content of 0.1-5wt% in terms of glutaraldehyde and magnetic core-shell molecularly imprinted particles after being dried, the magnetic core-shell molecularly imprinted particle contains a ferroferric oxide magnetic inner core, a silicon dioxide middle layer and a molecularly imprinted polymer shell layer, and the shell layer is a cyclodextrin methacrylate and ethylene glycol dimethacrylate copolymer network and takes 1, 2, 4-trichlorobenzene as a template. The material keeps the membrane integrity and long-term stability under the working conditions of circulation and regeneration and also gives consideration to quick response, and the residual 1, 2, 4-trichlorobenzene is controlled to be not greater than 0.10 wt% and the residual glutaraldehyde is controlled to be not greater than 0.5 wt%. The method is used for relieving structural mass transfer contradiction and processing and coating coupling contradiction caused by high filler load, and has online detection application value.

The application discloses an edge resource allocation method and device based on long-term value fairness and overlapping coalition game, a medium and equipment, and belongs to the technical field of mobile edge computing and resource scheduling. The method builds a distributed crowdsourcing system architecture, establishes an ESP multi-dimensional resource capability, a dynamic task flow and a reputation evaluation model, models the resource collaboration problem as an overlapping coalition game, builds a value loss virtual queue, converts it into a single time slot optimization problem by using a Lyapunov drift plus penalty framework, and designs a distributed potential game algorithm guided by rights and interests to realize the collaborative optimization of system efficiency and long-term fairness.

The invention discloses a series green and environment-friendly mortar formula suitable for northwest climate, and particularly relates to the technical field of mortar, the series green and environment-friendly mortar formula comprises the following components: 100-250 parts of cement, 20-30 parts of attapulgite powder, 20-30 parts of boric sludge, 150-250 parts of natural sand, 10-20 parts of reinforcement powder, 5-10 parts of polysiloxane elastomer, and 2-4 parts of itaconic acid. The prepared mortar is better in breaking strength, corrosion resistance and water resistance, meanwhile, the mortar can be toughened and enhanced, the shrinkage resistance of the mortar is improved, early-stage shrinkage cracking is reduced, then the prepared mortar can effectively slow down the evaporation speed of water, the wettability of the mortar is kept, and the water resistance of the mortar is improved. The mortar prepared by the invention has better weather resistance, can resist strong sunlight, high temperature, low temperature and other extreme weather conditions in northwest regions, keeps the long-term stability and durability of the mortar, and can prevent the mortar from being frozen and damaged under the severe cold weather condition in winter in northwest regions.

The invention provides an air pressure fluctuation balancing and pressure stabilizing method and system in a buffer tank. Wherein the pressure sensor array is used for monitoring the air pressure in the buffer tank in real time, preprocessing collected data, removing noise and enhancing the signal definition, and an air pressure adjustment starting signal is generated when air pressure fluctuation exceeds a threshold value; according to the air pressure regulation starting signal, optimizing a gas supplementing or discharging rate by using an adaptive neural fuzzy inference system and a nonlinear control algorithm of particle swarm optimization, and generating a preliminary air pressure regulation strategy; on the basis of the initial air pressure adjusting strategy, a multi-target genetic algorithm is adopted to automatically adjust the air supplementing or discharging rate, and a final air pressure adjusting scheme is generated; and based on the final air pressure regulation scheme, analyzing data of a pressure sensor in the buffer tank, and continuously optimizing an air pressure regulation strategy. According to the technical scheme provided by the invention, the air pressure can be accurately adjusted.

The invention relates to the field of electrochemical ammonia synthesis, in particular to a lithium-mediated ammonia synthesis method and an electrolyte used in the method. The invention discloses a preparation method of a lithium titanium oxide electrolyte deposited with a noble metal film, which comprises the following steps: mixing lithium carbonate and ammonium titanate for solid-phase reaction, placing the obtained lithium titanium oxide (LiTiO2) as a substrate on a sample table of a vacuum cavity of PVD (Physical Vapor Deposition) equipment, starting a vacuum pump and a sputtering source, and depositing the noble metal film. The invention also discloses a lithium-mediated conductive chemical synthesis method for ammonia, which utilizes the lithium titanium oxide electrolyte deposited with the noble metal film. And water is used as a hydrogen source, so that the safety and the stability of the system are improved.

The utility model relates to a staggered cedar-shaped fastener structure and relates to the technical field of wire harness fixing, in order to solve the problem that a traditional fastener is large in installation difficulty, the staggered cedar-shaped fastener structure comprises a ribbon part and an inverted buckling part, the inverted buckling part is connected to the top of the ribbon part and is of a cedar-shaped structure, a plurality of inverted buckling units are arranged on the inverted buckling part, and the inverted buckling units are arranged on the ribbon part. A plurality of back-off units are arranged in a staggered mode in the center axis direction of the back-off part, a connecting assembly is arranged between the binding belt part and the back-off part and comprises a dustproof disc and a connecting block, the dustproof disc is arranged at the end, close to the binding belt part, of the back-off part, the dustproof disc is of an umbrella-shaped structure, and the connecting block is connected with the dustproof disc. The inverted buckling part is connected to one end of the dustproof disc, the connecting block is connected to the other end of the dustproof disc, and the ribbon part is connected to the connecting block. The utility model has the effects of reducing the insertion force and being easier to install.

This invention provides a calibration-free path reconstruction method for buried cables based on Topo-NeRF and active sensing. Addressing the issues of traditional magnetic field inversion relying on calibration and being prone to mismatch in environments with strong interference such as reinforced concrete, the method preprocesses raw data to obtain a spatiotemporal feature matrix. This matrix undergoes feature extraction, spatial alignment, and drift compensation to eliminate extrinsic parameter calibration, resulting in multi-source fused data. This multi-source fused data is combined to characterize the cable's magnetic field using a continuous three-dimensional topological manifold. An implicit neural radiation field is constructed and coupled with differentiable electromagnetic rendering. The cable body and branch nodes are separated within a persistently cohomologically constrained topological bottleneck layer. The initial reconstruction results are combined with conditional diffusion and ground-penetrating radar dielectric priors to enhance low signal-to-noise ratio weak fields, ensuring consistency between the reconstruction results and the underground physical structure. Based on reconstruction uncertainties, topological entropy is calculated, and online acquisition trajectories are planned to form a closed-loop active sensing system. Finally, a three-dimensional path model is output, enabling rapid detection of underground cables.

The utility model discloses a motorcycle front magnetorheological damper and motorcycle, including working cylinder, guider assembly, piston assembly, floating piston assembly, magnetorheological fluid, outer tube support assembly, ECU control unit and sensor, guider assembly, piston assembly and floating piston assembly are located in the inside of working cylinder, and piston assembly includes built -in solenoid and damping passage, and damping passage penetrates the upper and lower end of piston assembly, and magnetorheological fluid fills the working cavity between guider assembly and floating piston assembly, and, outer tube support assembly is at least partially coated in the outside of working cylinder, and is connected with guider assembly, and ECU control unit and solenoid electric connection are used for the signal adjustment input to solenoid's current according to sensor, like this through solenoid and the combination of magnetorheological fluid, ECU control unit can real -time regulation magnetic field intensity, change the viscosity of magnetorheological fluid to dynamic control damping force.

The application discloses a device and method for eye diagram closed-loop optimization of high-speed serial interface between electric energy meter and terminal, and relates to the technical field of high-speed circuit communication. The device comprises an eye diagram detection module, a conditional trigger module, an LQR optimization decision module, a parameter execution module and the like. The method executes a closed-loop optimization process through the above-mentioned modules. The eye diagram detection module reconstructs an eye diagram in real time and calculates an eye diagram parameter vector, the conditional trigger module starts optimization when the quality of the eye diagram deteriorates, and the LQR optimization decision module models the registers of the sending end and the receiving end as control variables, describes the influence of the registers on the eye diagram parameter through a sensitivity matrix, and obtains the globally optimal register adjustment increment through the analytical solution of the linear quadratic regulator. The application replaces iterative search with an analytical method, avoids local convergence and link oscillation, and realizes automatic closed-loop optimization of the quality of the high-speed serial interface signal without manual intervention.

The application provides a temperature measurement method, system, device, computer device and storage medium. The application corrects a target spectrum signal by using an attenuation coefficient calculated from a reference spectrum signal and a theoretical blackbody radiation value to obtain a corrected radiation amount. A link equation is alternately iteratively optimized based on the corrected radiation amount to obtain temperature information, which includes a target temperature and a target emissivity model parameter. The application can compensate for link response attenuation in real time, maintain long-term stability and consistency of the temperature measurement link without configuring a high-temperature blackbody source. In addition, the link equation of the application realizes joint solving of the emissivity model parameter and the wafer surface temperature, reduces the influence of emissivity uncertainty on the temperature inversion result, thereby realizing high-precision and wide-range measurement of the wafer temperature in a complex process environment, improving the precision of temperature closed-loop control and the process yield, and facilitating engineering application in a compact temperature measurement probe with limited volume.

The invention belongs to the technical field of hydraulic engineering side slope and chamber anchoring, and particularly discloses a hydraulic mutual control adjusting supporting system which comprises an anchoring structure and a one-way drainage structure. The anchoring structure comprises a stress sensing device and a water pressure sensing device, the cross sections of the stress sensing device and the water pressure sensing device are arc-shaped, and the stress sensing device and the water pressure sensing device are connected to form a cylinder with a closed cavity; a plurality of one-way water guide pieces are arranged on the water pressure sensing device and are used for guiding underground water into the cavity; the one-way drainage structure is arranged at the joint of the stress sensing device and the water pressure sensing device and used for conducting drainage when the water pressure in the cavity is larger than the sum of the surrounding rock pressure borne by the anchoring structure and the load generated by underground water. According to the system, two kinds of source energy, namely surrounding rock pressure and underground water, causing surrounding rock instability can be converted into assistance of a support system; when a danger occurs, an external instruction is not needed, a protective action is triggered autonomously, and the synergistic effect of mechanical stability and hydraulic control can be generated at the same time.

The invention discloses a customer behavior prediction method based on big data analysis, and belongs to the technical field of big data analysis and customer behavior prediction. Comprising the following steps: 1, data collection and storage: collecting data from an enterprise internal system, obtaining customer basic information, transaction history and customer service records, and analyzing the influence of product supply conditions on customer behaviors through production, inventory and supply chain data provided by an enterprise resource planning system, activity data of clients on social media are obtained through a social media platform, a macroscopic market environment and competitor conditions are known through an industry report and consumer trend data provided by a market research institution, background information is provided for client behavior prediction, and a data warehouse is established to store collected data. According to the method, the comprehensiveness of customer behavior prediction can be effectively improved, and the method has relatively high practical value.

The present invention belongs to the technical field of flue gas denitration, discloses a preparation method of a CO-SCR denitration catalyst, a CO-SCR denitration catalyst and a flue gas denitration method, and solves the technical problem that there is no high-performance CO-SCR catalyst with high strength, low cost and the ability to overcome oxygen-rich conditions in the prior art. The preparation method of the CO-SCR denitration catalyst comprises the following steps: mixing a primary carbonized material and a first adhesive solution by ball milling to obtain a mixture; mixing the mixture, a reinforced resin powder and a second adhesive solution by ball milling, and then extruding to obtain a pressed blank; activating the pressed blank to obtain activated carbon; immersing the activated carbon in a first modified solution, filtering, drying and roasting after the immersion is completed to obtain a modified activated carbon; the first modified solution contains a soluble transition metal salt; immersing the modified activated carbon in a second modified solution, filtering and drying after the immersion is completed to obtain a CO-SCR denitration catalyst.

The utility model provides a pressure sensor without FPC (Flexible Printed Circuit) wire connection, which comprises a screwed joint and an injection molding joint which are arranged on the upper side and the lower side of a sensor shell and can be conveniently connected with other equipment, a connecting mechanism is arranged in a mounting groove, and a second sealing ring with a certain buffering function is sleeved on the connecting mechanism. A first sealing ring is placed at the position, close to the threaded connector, of the mounting groove, deformation can be generated due to small deformation of the connecting mechanism, and the first sealing ring and the second sealing ring on the connecting mechanism can buffer the ceramic resistor and guarantee the air tightness of the mounting groove. A connector is arranged below the connecting mechanism, a sensor module is connected above the connector, and a ceramic material of the sensor module can keep stable physical and chemical properties in a high-temperature environment, so that the sensor can normally work in the high-temperature environment, and has an anti-aging characteristic due to the fact that the sensor does not change due to temperature.