5results about How to "Structurally intact" patented technology

The present application provides a kind of hoisting protective tool of steel structural member, including the enclosure board of channel or L shape and bracing bar, enclosure board is enclosed in the joint of the lower edge of two groove walls and outer wall surface of the channel beam or longitudinal beam of the notch of the steel structural member A to be hoisted, the corner of the outer wall surface of enclosure board is smooth curved surface transition, bracing bar is arranged between the two groove walls of channel beam or longitudinal beam, bracing bar is supported between the two groove walls and constitutes the blocking cooperation of limiting the deformation of two groove walls to the inside, ensure the structure of steel structural member is intact during the hoisting process of steel structural member, while avoiding the security risk caused by steel wire damage.

This utility model relates to the technical field of high-efficiency transmission systems for dual-stage drive shaft assemblies in vehicles. It discloses a high-efficiency transmission system for dual-stage drive shaft assemblies in vehicles, including a transport box, a cover plate, screws, and a sliding joint. The screws are threadedly connected to the top of the transport box and the top of the cover plate. The right end of the sliding joint is fixedly connected to a first shaft. Through a set fixing component, the screws fix the cover plate and the transport box, causing the spring to compress and generate elastic force, which drives two sets of rubber pads to adhere to the upper surfaces of the sliding joint and the fixed joint, longitudinally pressing the drive shaft assembly from both ends. The rubber pads make flexible contact, avoiding damage to the surfaces of the sliding joint and the fixed joint. Friction restricts its vertical movement. Combined with a rotating rod, a limiting block, and a limiting groove, the pressing state of the rubber pads is fixed, preventing vibration from causing spring failure or component loosening. This ensures the drive shaft assembly is stably positioned on the sponge pads, achieving reliable fixation and protection, and ensuring the structural integrity and performance after transportation and storage.

The present application relates to a kind of RSL3 loaded liposome-hydrogel composite delivery system, which is composed of hydrogel matrix and liposome nanoparticle uniformly dispersed in it in physical embedding manner, the liposome nanoparticle is formed by the encapsulation of ferroptosis inducer RSL3 in liposome carrier, and the liposome carrier is a lipid bilayer vesicle formed by assembling DSPC, cholesterol and DSPE-PEG2000;The hydrogel matrix is a three-dimensional porous network structure formed by Schiff base cross-linking reaction of carboxymethyl chitosan and oxidized hyaluronic acid.The present application also provides the application of the composite delivery system in the preparation of contraceptive drugs.Experiments in vivo and in vitro prove that the composite delivery system can achieve complete contraception, and the uterus is normal, liver and kidney function is normal, reproductive function is completely reversible, and the development index of offspring is qualified.The present application realizes non-hormonal, reversible and locally safe contraceptive effect by inducing trophoblast cell ferroptosis, and provides a new solution for the development of contraceptive technology.

The application discloses a two-dimensional flexible material compounded by vanadium oxyphosphate and MXene and a preparation method and application thereof, and belongs to the technical field of functional nanomaterial preparation. The application first prepares multilayer vanadium oxyphosphate through a hydrothermal method, then fully mixes vanadium oxyphosphate which is stripped through a liquid phase with MXene and polyacrylonitrile to prepare a spinning liquid, adopts an electrostatic spinning method to obtain a polymer fiber film doped with vanadium oxyphosphate nanosheets, and further carries out calcination and carbonization treatment in an ammonia atmosphere to obtain a flexible porous vanadium-based nanofiber film material. The vanadium oxyphosphate film material prepared by the method has physical properties of rich active sites, high conductivity, sufficient ion transmission channels, good flexibility and excellent self-supporting structure, has the advantages of high activity, high capacity and high stability in energy storage application, and has an excellent application prospect. The preparation process of the application is simple, energy consumption is low, and the application is suitable for industrial large-scale production.

This invention belongs to the field of gas separation and carbon capture technology, specifically relating to a CO2 adsorbent suitable for treating hot flue gas, its preparation method, and its application, particularly suitable for the efficient capture and separation of CO2 in medium- and high-temperature industrial hot flue gas systems. The adsorbent is a ternary eutectic solvent, with 4-methylimidazole (4MI) as the first hydrogen bond acceptor, 3-aminopropanol (3AP) as the hydrogen bond donor, and monoethanolamine (MEA) as the second hydrogen bond acceptor; wherein the molar ratio of 4-methylimidazole (4MI) to 3-aminopropanol (3AP) is 1:3, and the mass of monoethanolamine (MEA) accounts for 20-40 wt% of the mass of the binary eutectic solvent composed of 4MI and 3AP. This invention solves the problem of decreased absorption capacity and inability to adapt to industrial hot flue gas scenarios of existing DES-type CO2 adsorbents at medium and high temperatures, achieving efficient CO2 capture in a temperature range of 20-100℃. Simultaneously, this adsorbent possesses characteristics of water resistance, good thermal stability, and excellent cycle performance, making it suitable for industrial applications.