7results about How to "Improve application convenience" patented technology

The invention discloses a transformer substation secondary circuit drawing intelligent processing method and system, belongs to the technical field of electric power system digitization, and aims to solve the problems that the missing detection and false detection rate of old fuzzy drawings is high, a deep learning model lacks topological semantic understanding, full-process automation is insufficient, and structural management is lacked in conventional secondary circuit drawing processing. According to the core scheme, the method comprises the steps of segmenting an image through a U-Net network to generate masks, generating a structured topology table in combination with a primitive database, converting the structured topology table into nodes and directed edges with electrical attributes, constructing a queriable graph database integrating version management, rule check and a layout optimization algorithm, and finally generating a standard format drawing. According to the scheme, the primitive recognition and topology analysis precision is improved, deep mapping from images to electrical logic is achieved, full-process automation is achieved, version tracing and rule verification are supported, and standardized drawings are produced.

The invention discloses a bimetallic asymmetric reduction Schiff base catalyst for synthesizing ethylene carbonate and a preparation method of the bimetallic asymmetric reduction Schiff base catalyst. According to the catalyst, a diamine compound is subjected to selective single-side protection, the imine reduction position is controlled, and a bimetallic active center is introduced; the controllable synthesis of a product for reducing the outer side imine and a product for reducing the inner side imine is realized; the obtained product is recrystallized to obtain a monoimine-monoamine type ligand with a clear asymmetric structure, the monoimine-monoamine type ligand and metal salt form a bimetallic catalyst, and the catalyst generates a synergistic effect through double active sites and shows high catalytic activity and excellent product selectivity.

The utility model provides a nitrogen inflation and deflation device for an oil cylinder of a nose landing gear of an unmanned aerial vehicle. The nitrogen inflation and deflation device comprises an industrial nitrogen source, a pressure reducing valve connector, a valve connector, a handle, an inflation and deflation valve, a high-pressure air pipe, a deflation switch and an inflation switch. The pressure reducing valve joint is assembled at the bottom of the handle, is in threaded connection with the handle and is connected with an industrial nitrogen source; one end of the high-pressure air pipe is connected with the front part of the handle, and the other end is connected with the valve joint; the valve joint is fixed on the inflation and deflation valve; the inflation and deflation valve can be connected with a nose landing gear oil cylinder of the unmanned aerial vehicle; the deflation switch is assembled on the side face of the handle, and the inflation switch is installed on the front portion of the inflation and deflation handle. According to the nitrogen charging and discharging device for the oil cylinder of the nose landing gear of the unmanned aerial vehicle, nitrogen in the oil cylinder of the nose landing gear of the unmanned aerial vehicle can be charged and discharged by manually operating the nitrogen charging and discharging device anytime and anywhere, and the application convenience of the nitrogen charging and discharging device for the oil cylinder of the nose landing gear of the unmanned aerial vehicle is greatly improved.

The invention belongs to the technical field of pipeline structure strength analysis and plastic energy absorption structure design, and particularly relates to a method for correcting plastic damage deformation of a pipeline. The invention provides a method for correcting plastic damage deformation of a pipeline, which comprises the following steps of: further dividing a partial region into a rigid section and a residual plastic region, and continuously correcting the size of the rigid section through comparison before and after curvature to obtain a force-displacement response curve; and finally, through a finite element verification method combining a J2 plastic deformation full-amount constitutive model considering a large deformation effect and a rigid region judgment step under a one-time unloading hypothesis, and a compilation method of a corresponding Abaqus user-defined subprogram UMAT, accurate calculation of a crushing global force-displacement response curve of the cross section of the pipeline on an upper flat plate and a lower flat plate can be realized, and the accuracy of the pipeline cross section is improved. And safety evaluation and damage evaluation of the pipeline structure are realized.

The invention relates to a composite current collector, a preparation method thereof and a battery, the composite current collector comprises a net-shaped substrate and a metal layer, and the metal layer covers one surface of the net-shaped substrate along the thickness direction and the inner walls of meshes of the net-shaped substrate; the net-shaped matrix is composed of nanofibers, and the nanofibers comprise a polymer, a polyoxometallate solid electrolyte and a conductive agent; the net-shaped base body comprises a main body part and an edge part, the edge part is located on at least one side of the main body part in the width direction of the net-shaped base body, and meshes of the edge part are filled with metal materials. Therefore, the mass energy density and the safety performance of the battery can be improved.

The utility model discloses a kind of support device of integrated telescopic charging and direction adjusting support function, it is related to electronic equipment accessory technical field, it includes load-bearing pedestal structure, position adjusting link structure, direction adjusting support structure and telescopic wire body structure.The device is integrated by integrating equipment positioning and charging function, effectively improve the overall function synergy and application convenience, simultaneously, using the synergistic effect of position adjusting link structure and direction adjusting support structure, support height and pitch angle can be flexibly adjusted according to actual demand, effectively meet the use demand of different scenes, in addition, the overall application convenience is further improved by the telescopic design of telescopic wire body structure, and effectively reduce space occupation, with good practicality and market promotion value.

The application discloses application of a compact CRISPR / SwCas9 system in corn gene editing. Zmzb7 and ZmF3H The editing efficiency of T0 plants targeting the genes is 60% and 75% respectively. The application provides a novel tool with independent intellectual property right, compact size and high efficiency for corn gene knockout and multi-target point editing.