9results about How to "Break through application limitations" patented technology

The application belongs to the field of medical materials, and particularly relates to a metal core enhanced double-barrier piezoelectric nano system and a preparation method and application thereof. The preparation method comprises the following steps: first, a core-shell structure of'metal@mesoporous titanium dioxide@mesoporous barium titanate' is prepared through a step-by-step reaction, and then the target nanoparticles are obtained through lipid wrapping. The system innovatively constructs a double-barrier structure, can self-trigger active oxygen under a physiological pressure of 4 mmHg, realizes endogenous pressure self-driven treatment of malignant ascites, has the advantages of low pressure, high catalytic efficiency, long-term structural stability and good biocompatibility, solves the problems that existing treatment methods are highly invasive and depend on exogenous stimulation, and provides a new safe and efficient technical scheme for the treatment of malignant ascites.

The application relates to the technical field of powder coatings, and particularly discloses a UV-cured powder coating as well as a preparation method and application thereof. The UV-cured powder coating disclosed by the application comprises the following components: 60-80 parts of powder resin, 2-10 parts of a curing agent, 5-10 parts of a filler, 1-2 parts of a leveling agent, 0.5-1 part of a degassing agent and 0.5-10 parts of 184 initiator; the filler is obtained by mixing montmorillonite, calcium carbonate and aluminum oxide, then being pretreated by an ammonium salt solution of an acrylate copolymer, and then being fired; and the degassing agent is composed of 3910-micronized amide wax degassing agent and ketose degassing agent in a weight ratio of 3-5:1-1.5. According to the technical scheme, the UV-cured powder coating is cured into a coating, the coating has excellent gloss, adhesion and smoothness, and the coating has high chemical corrosion resistance.

The invention discloses an SM9-based verifiable fair broadcast proxy re-encryption method and a hardware architecture thereof, and relates to the technical field of information security. The re-encryption method comprises the following steps: encrypting an original message based on SM9 to generate an initial ciphertext, generating a re-encryption key based on a private key of a data owner and an authorized user identifier set, and sending the initial ciphertext and the re-encryption key to a proxy server; the proxy server performs re-encryption operation on the initial ciphertext based on the re-encryption key to generate a re-encrypted ciphertext, and broadcasts the re-encrypted ciphertext to all authorized users, and the authorized users perform decryption verification on the received re-encrypted ciphertext by using own private keys; and a public verifier can perform verification arbitration on the re-encrypted ciphertext based on a non-interactive zero-knowledge proof protocol. According to the re-encryption method provided by the invention, a multi-user application scene is expanded, direct verification of the re-encrypted ciphertext is realized, and a fair and neutral dispute judgment rule is established.

The utility model relates to the technical field of cranes, and discloses a crane with a multi-sensor hoisting operation device, which comprises a stand column, a gear is fixedly connected to the outer wall of one side of the stand column close to the top, a cantilever is movably connected to the bottom of the gear, and one side of the bottom of the cantilever is movably connected to the outer wall of one side of the stand column. The outer wall of one end of the cantilever is fixedly connected with a sliding rail, the bottom of the sliding rail is slidably connected with a sliding plate, the outer wall of the end, away from the cantilever, of the sliding rail is fixedly connected with a rack, and the outer wall of one end of the sliding plate is fixedly connected with a forward-reverse motor. According to the device, through the cooperation of the structures, accurate displacement of the sliding plate along the sliding rail is achieved, safety accidents caused by operation errors are effectively avoided in combination with feedback data of multiple sensors, the safety and operation efficiency of hoisting operation are remarkably improved, and the device is suitable for hoisting operation scenes of multiple complex working conditions; the practicability is higher.

The invention belongs to the field of new energy storage materials, and particularly discloses a preparation method of a gradient asymmetric hydrogel electrolyte, which is characterized in that the gradient asymmetric hydrogel electrolyte is prepared by regulating the concentration of electrolyte salt as a main time factor and cooperating with the fine adjustment effect of a nano inorganic filler and the space factor of gravity settling. And rapidly preparing the organic-inorganic composite hydrogel electrolyte with a gradient structure at room temperature. The method has universality, can be adapted to various inorganic fillers, and finally forms a gradient structure of negative electrode side filler enrichment layer-middle transition layer-positive electrode side polymer network layer by adjusting the salt concentration to match the sedimentation behaviors of different fillers. The electrolyte can simultaneously realize negative electrode interface stability, positive electrode ion rapid transmission and mechanical property enhancement, and shows excellent cycling stability and capacity retention ratio in a symmetric battery and a total battery. The preparation method is simple, low in energy consumption, high in controllability and suitable for large-scale energy storage and flexible electronic equipment.

This invention belongs to the field of flowmeter technology and discloses a method for optimizing the impeller of a turbine flowmeter. The method includes: S1: collecting data on the physical properties, operating range, and performance indicators of the medium through a system to establish clear design constraint data; S2: integrating streamlined and multi-lead design concepts, and determining the blade structural parameters through mathematical modeling and simulation analysis; S3: ensuring precise matching between the processing process and design objectives through parameter modeling, accuracy threshold setting, process coordination, and data linkage; S4: manufacturing an impeller prototype based on the processing technology, and calibrating the blade size and angle parameters using equipment; S5: verifying linearity and starting flow rate indicators through data acquisition and analysis, and iteratively optimizing design and processing parameters; S6: establishing a large-scale batch production process based on the optimized final parameters. This invention solves the problems of large starting flow rate, poor linearity, and insufficient consistency of metering accuracy in turbine flowmeters under low Reynolds number conditions.

The application provides a sunken skin stretch forming path planning method, and belongs to the technical field of stretch forming path planning, and the method comprises the following steps: S1, acquiring the design parameters and forming constraint conditions of the sunken skin; S2, establishing a finite element model of the sunken skin; S3, initial stretch path global planning based on an echo state network-cell mapping hybrid algorithm; S4, finite element simulation verification of the initial stretch path; and S5, stretch path iterative optimization based on a fractional order Kalman filter-dove search hybrid algorithm. The application solves the problems of low stretch forming path planning precision, many forming defects, poor process stability, weak technical reproducibility and the like of the existing sunken skin stretch forming path planning.

The invention relates to a mixed material picking method and device, feeding equipment and a medium, the mixed material picking method and device are applied to the feeding equipment, the feeding equipment comprises a vibration disc assembly, a material supplementing assembly, a camera shooting assembly and a material taking assembly, the method comprises the steps that the camera shooting assembly is controlled to shoot various materials on the vibration disc assembly, and a target image is obtained; obtaining image data of the materials from the target image based on the correct posture template corresponding to each of the multiple materials; and according to a preset material taking sequence, the materials are sequentially picked up from the vibration disc assembly based on the image data of each material in the multiple materials. It can be known that the accurate recognition and pickup of various materials in the target image are realized by means of the correct posture templates corresponding to various materials. And meanwhile, by presetting the material taking sequence, the orderliness of the material picking process is guaranteed. The mechanism can be compatible with recognition and picking operation of various materials, the application limitation of traditional single-material equipment is effectively broken through, and the overall operation efficiency of an automatic production line is remarkably improved.

The invention discloses a same-frequency butt-joint suction plate transfer manipulator, and relates to the technical field of pharmaceutical equipment, the same-frequency butt-joint suction plate transfer manipulator comprises a plate frame, a driving shaft, a first rotating shaft and a second rotating shaft are rotatably arranged on the plate frame, a swing arm wheel and a swing arm groove-shaped cam are arranged on the driving shaft, and the swing arm wheel is connected with the first rotating shaft through a first connecting rod mechanism and drives the first rotating shaft to rotate; a first suction rod swing arm is arranged on the first rotating shaft, and the first suction rod swing arm movably penetrates through the plate frame and then is provided with a first suction cup assembly. The swing arm groove-shaped cam is connected with a second rotating shaft through a second connecting rod mechanism and drives the second rotating shaft to rotate, a second suction cup assembly is arranged on the second rotating shaft, and the second suction cup assembly is in end-to-end butt joint with the motion trail of the first suction cup assembly; the two sets of connecting rod mechanisms are adopted to drive the two sets of suction cup assemblies to operate synchronously at the same frequency, vertical transfer of the bubble cap plate is completed, the rotation angle is decomposed, the swing amplitude is reduced, the production efficiency is improved, and the application scene is expanded.