16results about How to "Convenient research" patented technology

This invention discloses a modeling method for an engine thermal management system, comprising the following steps: determining the composition of the engine thermal management system; determining the connection sequence of each component of the engine thermal management system; selecting appropriate libraries and components in the software; selecting and setting the engine model; selecting and setting the thermostat model; selecting and setting the water pump model; selecting and setting the expansion tank model; selecting the HEAT plugin icon; selecting and setting the radiator model; selecting and setting the electronically controlled silicone oil clutch fan model; setting vehicle and environmental parameters; and setting the effect of different vehicle speeds on the radiator's heat dissipation performance. This invention simultaneously uses models from both the cooling system library and the HEAT library to model the components in the engine thermal management system. Compared with modeling using only the cooling system library, this allows for more complex control strategies and higher accuracy, laying the foundation for further research on engine thermal management systems.

The application relates to the technical field of screw pile composite foundation testing, in particular to a screw pile body strain gauge installation auxiliary device and a method, the auxiliary device comprises a sleeve and an installation rod capable of being inserted into the sleeve, one end of the sleeve is provided with a sealing head, the sealing head is rotationally connected with the sleeve so that the sealing head can be opened or closed, and the strain gauge is arranged on the installation rod, so that the strain gauge can be conveniently installed into the screw pile, and the screw pile can be conveniently and deeply researched.

The application relates to a fluorinated two-dimensional inorganic nanofiller reinforced PEO-based solid-state polymer electrolyte and a preparation method and application thereof, and comprises the following steps: S1, obtaining fluorinated two-dimensional inorganic nanofillers by treating two-dimensional inorganic materials with a mixed gas of fluorine and nitrogen; S2, dissolving polyethylene oxide and a lithium salt in a polar solvent, then adding the fluorinated two-dimensional inorganic nanofillers obtained in the step S1, mixing, and obtaining a uniform mixed polymer solution; and S3, pouring the mixed polymer solution obtained in the step S2 on a polytetrafluoroethylene mold, vacuum drying, and obtaining the PEO-based solid-state polymer electrolyte. Compared with the prior art, the preparation process is simple and easy to operate, the ionic conductivity of the polymer electrolyte based on the fluorinated two-dimensional inorganic nanofillers can be improved, the electrochemical stability window can be widened, and the interface stability between the electrolyte and a lithium metal electrode can be improved.

This invention discloses a method for preparing an ultrathin ordered macrocyclic molecular membrane. The method involves synthesizing macrocyclic molecules with high polymerization activity and amphiphilic guest molecules. The inclusion complexes formed by the macrocyclic molecules and guest molecules are orderedly assembled using Langmuir-Blodgett (LB) technology. Photopolymerization is then employed to achieve ordered cross-linking of the macrocyclic molecules, resulting in an ultrathin ordered macrocyclic molecular membrane. The macrocyclic molecular membrane prepared by this invention is monomolecular in thickness and possesses good mechanical strength. With the assisted orientation of the amphiphilic guest molecules, the macrocyclic molecules achieve ordered assembly at the water-air interface. The membrane preparation process proposed in this invention is simple, cost-effective, versatile, and easily scalable, making it significant for the field of high-performance separation membranes.

The utility model relates to the technical field of physical experiment teaching aids, in particular to a simple harmonic motion experiment instrument, which comprises a base, a liquid spraying device, a support arranged on the base and a paper feeding device arranged on the base, the support comprises a cross rod, a first vertical rod and a second vertical rod, the first vertical rod and the second vertical rod are arranged on two opposite sides of the cross rod, and the cross rod is provided with a cycloid and connected with a pendulum ball. A gap exists between the lowest point of the swing ball in the natural state and the base, a spring is fixed to the first vertical rod and is horizontally placed in the natural state, one end of the spring is detachably connected with the swing ball, the liquid spraying device comprises a spraying pipe, and the liquid outlet end of the spraying pipe is fixedly connected with the swing ball; a spring oscillator experiment and a simple pendulum experiment are integrated on one device, so that students can conveniently compare two simple harmonic motion phenomena on the same platform, the essence and generality of the simple harmonic motion can be deeply understood, and the teaching effect is optimized. Meanwhile, through the detachable connection design, quick switching between a spring oscillator experiment and a simple pendulum experiment is facilitated, and different experiment requirements are met.

The application discloses a CALPHAD-based cross-system knowledge transfer alloy design method, which comprises the following steps: performing CALPHAD balance calculation on a source aluminum alloy and a target Al-Mg-Zn alloy to construct an initial feature set; deriving mean value and variance of phase fraction weighting and multi-step heat treatment addition / difference features; locking an optimal feature subset through three-step feature selection assisted by source data set; training 300 base models through bagging, integrating mean value and standard deviation to obtain a high-stability predictor; and coupling NSGA-II and high-throughput CALPHAD to search for a Pareto frontier with double targets of strength and elongation and determine a composition-process scheme; and the application significantly improves the model interpretability and generalization performance by constructing a CALPHAD descriptor with physical interpretability as a model feature, thereby improving the alloy design efficiency and reducing the experimental workload.

This invention provides a method and system for predicting the risk of aortic remodeling after aortic dissection, comprising the following steps: receiving CTA images of the patient's chest and abdomen at multiple time points, such as preoperative and short or mid-operative postoperatively, and obtaining aortic segmentation results based on the CTA images; obtaining the displacement field of each voxel point between the two time points based on the aortic segmentation results, and obtaining vascular deformation mapping results based on the displacement field; extracting multi-dimensional features from the three-dimensional aortic segmentation model and the vascular deformation mapping results respectively; and predicting the risk of adverse aortic remodeling after surgery based on the multi-dimensional features. The beneficial effects of this invention are: by comprehensively utilizing multi-dimensional, dynamic, and static features, the prediction model constructed by this invention theoretically has higher discrimination and calibration than existing single-index models. Therefore, this invention can detect early, local abnormal deformations that cannot be detected by traditional diameter measurement, significantly advancing the risk identification time point.

This invention provides a polymer electrolyte, its preparation method, and its application. The raw materials of the polymer electrolyte, by mass, include the following components: 8-12 parts of an olefin polymer, 4-8 parts of a sodium salt, 0.4-1.2 parts of hydrophobic fumed silica (SiO2), 7-30 parts of a fluorinated small-molecule plasticizer, and 35-85 parts of a solvent. The polymer electrolyte of this invention uses a fluorinated small-molecule plasticizer with weak solvation ability as the plasticizer in the electrolyte, which improves the mechanical properties of the electrolyte membrane. Simultaneously, it forms a competitive coordination effect with the residual solvent with strong solvation ability, which is beneficial for inhibiting the corrosion effect of sodium salt on the current collector. The hydrophobic fumed silica filler reduces the crystallinity of the polymer matrix and enhances the mobility of the polymer matrix segments, thereby improving the ionic conductivity.

This invention discloses a method, apparatus, device, and medium for determining the efficiency of a fuel cell system. The method includes: calculating hydrogen consumption based on the hydrogen injection valve duty cycle and hydrogen pressure; and calculating the efficiency of the fuel cell system based on the hydrogen consumption. The hydrogen consumption includes instantaneous hydrogen consumption and / or average hydrogen consumption over a set time period. Correspondingly, the efficiency includes instantaneous efficiency and / or average efficiency. This technical solution first calculates instantaneous hydrogen consumption and / or average hydrogen consumption over a set time period using the hydrogen injection valve duty cycle and hydrogen pressure, and then calculates the instantaneous efficiency and / or average efficiency of the fuel cell system based on the hydrogen consumption. This achieves real-time and accurate determination of the fuel cell system efficiency, facilitating research by developers and efficient use by users, thereby promoting the continuous development of fuel cell technology.

The application belongs to the technical field of animal experiment models, and discloses a method for constructing a mouse model of autism spectrum disorder and application. Pregnant mice are orally exposed to different doses of 1-NP every day during the whole gestation period, the pregnant mice naturally give birth, and the offspring mice are evaluated for autism-like behaviors at PND28 after birth by using a three-chamber social experiment. The offspring mice are evaluated for autism-like behaviors at PND70 after birth by using a three-chamber social experiment. Maternal 1-NP exposure during pregnancy delays the migration of intermediate neurons in the forebrain of fetal mice, and the autism-like behaviors. 1-NP exposure during pregnancy down-regulates the expression of intermediate neuron migration-related genes by reducing DNA hydroxymethylation of the intermediate neuron migration-related genes. 1-NP exposure during pregnancy damages the synthesis of mitochondrial tricarboxylic acid cycle alpha-ketoglutarate (alpha-KG). Maternal alpha-KG supplementation during pregnancy improves the migration of intermediate neurons in 1-NP exposed fetal mice and the autism-like behaviors of offspring mice.

The present application relates to the technical field of space debris capture simulation test, more particularly to a ground simulation test device for a wrapped space debris capture mechanism, which comprises a frame, a capture mechanism, a translation driving mechanism and a rotation driving mechanism; a boom is connected to a power output end of the rotation driving mechanism, and the boom is used for connecting a simulated space debris.The present application overcomes the deficiency that the prior art cannot be used to simulate the collision effect of the simulated space debris and the wrapped space debris capture mechanism, the capture mechanism is arranged, the translation driving mechanism is used to drive the simulated space debris to move in two mutually perpendicular horizontal directions, and the rotation driving mechanism is used to drive the simulated space debris to rotate, so that the interaction and the collision effect of the simulated space debris and the wrapped capture mechanism can be simulated.The translation driving mechanism and the rotation driving mechanism of the present application are simple in structure and easy to operate, the action and the control of the capture mechanism are flexible, and the test efficiency can be improved.

This invention discloses a cement sheath micro-gap pressure testing device, method, data, medium, and application, relating to the field of oil and gas well sealing technology. It includes an outer casing and an inner casing, with the outer casing fitted over the outer side of the inner casing, forming an annular cavity between them; a sealing element that seals the inner cavity of the inner casing; a pressure injection system connected to the inner cavity of the inner casing; a pressure control system connected to the pressure injection system; an acoustic logging tool housed within the inner cavity of the inner casing; a logging control system connected to the acoustic logging tool; a micro-gap size acquisition system; and a data association system. This invention can simulate the generation and evolution process of cement sheath micro-gap under varying downhole pressure conditions, establish a calibration relationship between acoustic response and micro-gap state, and provide experimental basis for evaluating cement sheath sealing integrity and optimizing cementing quality.

The application discloses a single-direction rolling method of a direct drawing type reversible cold rolling mill, and aims at providing a single-direction rolling method of a direct drawing type reversible cold rolling mill, which solves the problem that the direct drawing type reversible cold rolling mill cannot be used for single-direction rolling by properly adjusting the rolling mill and tension cylinder tension.

A heavy-duty push chain, belonging to the field of push chain technology, includes several chain links connected sequentially by pins. Each chain link includes a set of opposing composite chain plates. The composite chain plates include push chain plates and tension chain plates connected together by rivets. When the push chain plates of adjacent chain links mesh with each other, the push chain is in a straight pushing state, with the push chain plates transmitting the thrust. When the push chain is in a tension state, the tension chain plates transmit the tension. This invention can provide tension like an ordinary chain, and can also exhibit rigidity in a straight state, thereby transmitting thrust. By fixing the tension chain plates and push chain plates to form composite chain plates, and forming first and second chain links through different combinations of composite chain plates, the push chain is formed through further combination and connection of the first and second chain links. This effectively solves the problem of mixed forces on the chain plates of existing push chains, making it difficult to conduct targeted observation, research, and optimization.

The application is based on the aerofoil ceramic core trimming path consistency evaluation method based on point cloud segmentation, which comprises the following steps: firstly, obtaining the ceramic core point cloud data and the elliptical hole trimming path, preliminarily segmenting the point cloud near the elliptical hole, then completing the establishment of the local coordinate system based on RANSAC, realizing the coordinate conversion of the point cloud near the elliptical hole from the world coordinate system to the local coordinate system, then establishing the elliptical hole arc chamfer model under the local coordinate system, realizing the point cloud segmentation and model fitting of the elliptical hole arc chamfer based on particle filtering, and finally completing the aerofoil ceramic core trimming path consistency evaluation combined with the model parameters and the trimming path. The application simultaneously considers the influence of the shrinkage deformation of the ceramic core and defects such as burrs, flash and hole blockage on the parameter fitting and point cloud segmentation, and the influence of the position deviation of the path points and the deviation of the laser trimming direction on the alignment degree of the path edges, thereby improving the accuracy, robustness and reliability of the path consistency evaluation, and meeting the accuracy requirements of the feedback index for improving the trimming path generation algorithm.

The application discloses a method, system, storage medium and electronic equipment for forming a power plant factory configuration, and the method comprises the following steps: abstracting the relationship between instance objects into a relationship template between business objects; defining a data filtering rule of the instance objects; and dynamically generating a factory configuration formed by the instance objects according to the data filtering rule in the process that a user browses data according to the relationship template, so as to dynamically panorama the power plant data. The application realizes diversification and automation of the factory configuration, organizes and associates the power plant data with the business objects as the core, embodies the organization mode of the power plant data, facilitates the user to understand the composition of the power plant from the data perspective, and enables the user to quickly understand the overall data structure of the power plant, thereby bringing convenience for comprehensive research with the power plant objects as the core.