11results about How to "Improve core performance" patented technology

The invention relates to the technical field of grain storage monitoring, in particular to a wharf granary grain condition monitoring method and system. The method comprises the following steps: acquiring data of wharf granary environment characteristics, grain pile size characteristics, temperature characteristics, humidity characteristics and gas concentration characteristics; based on the data, spatial-temporal characteristic models are constructed, and the spatial-temporal characteristic models comprise a temperature spatial-temporal characteristic model, a humidity spatial-temporal characteristic model and a gas concentration spatial-temporal characteristic model; according to the spatio-temporal characteristic model, spatio-temporal characteristic data are obtained; processing the spatio-temporal characteristic data to obtain optimized spatio-temporal characteristic data; constructing a grain safety risk assessment model through the optimized spatial-temporal characteristic data; and monitoring the grain condition of the wharf granary according to the grain safety risk assessment model. According to the invention, internal sensorless monitoring is carried out on the temperature, humidity and # imgabs0 # concentration of the infinite space point in the grain pile, so that the monitoring cost is greatly reduced, and high-precision assessment of the grain safety risk is realized.

The application discloses a high-temperature-resistant silica gel composite material and a preparation method thereof, and belongs to the technical field of high polymer materials. In view of the problems that existing silica gel is easy to be thermally degraded and brittle and has poor flame-retardant performance above 300 DEG C, the application uses methyl vinyl silicone rubber as a matrix, introduces specific structure organic flame retardant and epoxy modified nano cerium dioxide. The two are in-situ chemically bonded through epoxy groups and phenolic hydroxyl groups to construct a synergistic protection network, which significantly improves the dispersibility of the filler and prevents high-temperature migration. The material has excellent mechanical property retention rate at 350 DEG C extreme high temperature, and the flame-retardant grade reaches UL-94 V-0 level. By forming a dense Ce-P-O-C ceramicized carbon layer, oxygen and heat are effectively isolated, the technical problems that the silica gel is easy to crack and easy to burn in an extreme heat environment are solved, and the material is suitable for the fields of aerospace and electronic packaging.

The invention discloses a preparation method of a single crystal composite film material. The preparation method comprises the following steps: step 1, bonding a functional single crystal wafer and a substrate to form a bonding body; 2, reducing the thickness of the functional single crystal wafer through a wafer thinning process; 3, ion implantation is carried out on the surface of one side of the functional single crystal wafer in the bonding body, so that a stripping layer, a damaged layer and a thin film layer are sequentially formed from the surface of the functional single crystal wafer in the axial direction of the functional single crystal wafer, then the stripping layer and the thin film layer are separated from the damaged layer through annealing treatment, and the remaining damaged layer, the remaining thin film layer and the substrate form an initial single crystal composite thin film material; 4, removing a residual damaged layer in the initial single crystal composite thin film material obtained in the step 3 through a chemical mechanical polishing process, and then trimming the uniformity of the functional single crystal thin film layer; and step 5, repeating the steps 3-4 to reduce the thickness of the film layer of the functional crystal to the target thickness so as to obtain the single-crystal composite film material.

The present invention relates to the field of grain storage monitoring technology, and specifically to a method and system for monitoring grain conditions in a wharf granary. The method comprises the following steps: obtaining data on the environmental characteristics of the wharf granary and the grain pile size characteristics, temperature characteristics, humidity characteristics, and gas concentration characteristics; constructing a spatiotemporal feature model based on the data, the spatiotemporal feature model comprising a temperature spatiotemporal feature model, a humidity spatiotemporal feature model, and a gas concentration spatiotemporal feature model; obtaining spatiotemporal feature data according to the spatiotemporal feature model; processing the spatiotemporal feature data to obtain optimized spatiotemporal feature data; constructing a food security risk assessment model through the optimized spatiotemporal feature data; and monitoring the grain conditions in the wharf granary according to the food security risk assessment model. The present invention greatly reduces the monitoring cost and achieves high-precision assessment of food security risks by performing internal sensorless monitoring of the temperature, humidity, and concentration of infinite space points inside the grain pile.

The application provides an unmanned system open architecture for general command and control, comprising: at least one unmanned system, the unmanned system comprising at least one unmanned system instance, the unmanned system instance comprising at least one hardware component, and at least one application software running on part of the hardware components; a first unmanned system instance is used for sending a first message, the first message carrying first information, a sending address and a receiving address; a second unmanned system instance is used for, when the first message is received, adopting a data link message configuration file in a configuration file library to identify whether the message format of the first message is consistent with the message format adopted by the second unmanned system; when the message formats are inconsistent, calling a data element dictionary to convert the first message to obtain a second message, and forwarding the second message according to the receiving address in the first message. The unmanned system can realize general command and control of "multi-platform and multi-station".

This invention discloses a magnetic bead-antibody complex for detecting β-amyloid 42, its preparation method, and its application, enabling rapid, sensitive, and stable detection of β-amyloid 42 in blood. The method establishes a standardized coupling process by systematically optimizing key parameters such as feed ratio, buffer pH, and activation time, significantly increasing the antibody loading on the magnetic bead surface. Based on this, a dual-antibody sandwich chemiluminescence detection system is constructed. The kit can complete detection within 20 minutes, with a detection limit as low as 1.6 pg / mL, a linear range of 5–1000 pg / mL, intra- and inter-assay coefficients of variation (CV) of less than 6%, no cross-reactivity with common interfering proteins, and an average recovery rate of 96.09% in serum. This significantly improves the sensitivity, repeatability, and accuracy of Aβ42 detection, making it suitable for early screening, clinical diagnosis, and disease monitoring of Alzheimer's disease.

The application relates to a preparation method and application of a steel fiber reinforced graphite tailing cement-based composite filling material, and relates to the technical field of coal mine goaf foundation repair. A screening-impurity removal-drying combined process is adopted to obtain graphite tailing particles; in the critical range of 15%-20% of the graphite tailing content, each component is weighed according to the proportion, including steel fiber, cement, graphite tailing and mixing water, and a water reducing agent is selected according to the requirement; the steel fiber, the cement and the graphite tailing are mixed until the materials are uniformly mixed; the mixing water is added twice, the water reducing agent is pre-dissolved at the second time, and wet mixing is performed until a uniform slurry is obtained; after stirring is completed, the slurry fluidity is detected by using an expansion degree method, and the expansion degree is ensured to be 200-250 mm. The critical content range of the graphite tailing is determined, the mechanical properties-water cement ratio-water permeability performance of the composite filling material are synergistically optimal, the grouting fluidity and the late strength development are considered, and the performance requirement of the coal mine goaf foundation repair is met.

The invention discloses a multi-Agent cooperation intelligent number asking method and system for a shipping database based on RAG enhancement. The method comprises the following steps: training a relationship mining model based on a historical shipping business data table of a shipping enterprise; determining ERD relation description among the target shipping service data tables by utilizing a relation mining model and combining with an automatic script; constructing a special shipping business knowledge base and an SQL corpus knowledge base; the query analysis Agent is utilized to analyze the user question intention, and query intention description is obtained; relevant ERD relation description, SQL corpora and the like are recalled in the two knowledge bases through the RAG technology, and an enhanced retrieval result is generated after rewriting and duplicate removal; based on the enhanced retrieval result, utilizing a plurality of SQL generation Agents to generate SQL statements in parallel, and utilizing a decision tree to score the generated SQL statements to determine the SQL statement with the highest score; and executing the SQL statement with the highest score, if execution fails, reasoning an error reason according to the SQL corpus knowledge base, feeding back the error reason to the SQL generation Agent, and regenerating the SQL statement.

This invention discloses a low-temperature preparation technology for plasma-assisted hydrothermal synthesis of carbon nanotubes and its application in the field of cold cathode technology. It relates to the fields of carbon nanotube preparation and cold cathode technology, including the construction of a reaction system containing a catalyst precursor and a carbon source, and a hydrothermal reaction: the catalyst precursor is a phosphorus-free core-shell Ni-Mo-ammonium citrate complex, formed by nickel nitrate, sodium molybdate, and ammonium citrate in the order Ni... 2+ :MoO4 2‑ The reaction is carried out with a citrate molar ratio of 3:1:1.2. In this invention, phosphorus residue and catalyst agglomeration are eliminated by using a phosphorus-free core-shell catalyst, combined with a composite heteroatom source and ultrasonic-stirring dispersion process, and a three-stage pulsed plasma reaction at ≤190℃. This optimizes the quality of carbon nanotubes, eliminates the need for acid washing / annealing, and is compatible with flexible substrates. The cold cathode is fixed by a modified PET substrate and a metal-free transition layer, ultimately achieving a 1×10⁻⁶ reaction. ‑4 Achieving an on-state electric field ≤1.8V / μm, a threshold electric field ≤4.2V / μm, and a current density stability ≥90% under Pa conditions, this technology solves the problems of carbon nanotube quality, cost, substrate compatibility, and cold cathode performance in traditional technologies.

The invention discloses a quantum dot detector preparation method based on a one-step synthesis method, and belongs to the technical field of infrared detectors. The method comprises the following steps: providing a substrate; preparing a bottom electrode on the substrate; preparing a hole transport layer on the bottom electrode, wherein the hole transport layer comprises a NiOx thin film and a PbS-EDT thin film; preparing a quantum dot light absorption layer on the hole transport layer by adopting a one-step synthesis method, wherein the quantum dot light absorption layer comprises 1550nm PbS CQD; preparing an electron transport layer on the quantum dot light absorption layer, wherein the electron transport layer comprises a C60 thin film and a thin film; and preparing a top electrode on the electron transport layer. According to the method, after the 1550nm PbS colloidal quantum dots are synthesized by adopting a thermal injection method, a quantum dot cleaning step is omitted, liquid phase exchange is directly carried out, water and oxygen introduction and ligand damage are avoided fundamentally, the process is simplified, meanwhile, the surface stability of the quantum dots is guaranteed, and the performance and large-scale production potential of an infrared detector are improved.

A functional model visual dynamic display method based on a SysML language mainly comprises the steps of embedding an information extraction function in a functional model, establishing a visual dynamic display GUI interface, establishing a link relation between functional model information and a GUI interface information display area, and establishing a link relation between a functional model man-machine interaction action and a GUI interface man-machine interaction area. And displaying a visual dynamic simulation result. By adopting the function model visual dynamic display method based on the SysML language, on one hand, when the function model based on the SysML language is checked, the method can quickly extract and dynamically display related information of the function model, support aerospace product designers to optimize aerospace product design, and improve the design efficiency and quality of an aerospace product system; and on the other hand, when the functional model based on the SysML language is reviewed, the time and the cost of learning MBSE by reviewing personnel can be reduced, the reviewing efficiency of the functional model is improved, and a foundation is laid for effectively supporting digital construction of aerospace products based on the functional model.