7results about How to "Act quickly" patented technology

The present application relates to the technical field of trajectory planning of nonlinear underactuated electromechanical systems, and particularly relates to a multi-unmanned aerial vehicle cooperative hoisting system constraint space crossing trajectory planning method and system. The method comprises the following steps: based on a polyhedral volume constituted by the hoisting system and a hoisting rope tension, a hoisting system crossing formation optimization model under a constraint space is constructed to obtain an optimal formation of the hoisting system crossing the constraint space; a circumscribed sphere center and a radius under the optimal formation of the hoisting system crossing the constraint space are calculated; based on the circumscribed sphere center and the radius, a trajectory planning model of the hoisting system crossing the constraint space based on time optimization is constructed by considering dynamic constraints, driver constraints and flight path point constraints; based on the relative position relationship among the circumscribed sphere center, the unmanned aerial vehicle and the load, the trajectory planning model of the hoisting system crossing the constraint space is adopted to obtain a trajectory of the hoisting system crossing the constraint space; and under the guidance of the trajectory of the hoisting system crossing the constraint space, a load transportation task is completed.

The application belongs to the technical field of biological fermentation, and discloses a method for efficiently preparing earthworm functional liquid by using earthworm intestinal endogenous probiotics and enzymes and the earthworm functional liquid. The method comprises the following steps: step 1: activating and expanding B. velezensis XY1, P. megaspora and Lactococcus lactis respectively to obtain B. velezensis XY1 bacterial liquid, P. megaspora bacterial liquid and Lactococcus lactis bacterial liquid; and step 2: inoculating the B. velezensis XY1 bacterial liquid, the P. megaspora bacterial liquid, the Lactococcus lactis bacterial liquid and a compound enzyme into earthworm slurry to obtain the earthworm functional liquid. The B. velezensis XY1, the P. megaspora, the Lactococcus lactis and the compound enzyme are used for synergistic fermentation to obtain the earthworm functional liquid, the content of total amino acids and small peptides is significantly improved, and the effect of the earthworm functional liquid can be further improved.

The invention relates to a training method, an audio-visual segmentation method, an electronic device and a storage medium, and the method comprises the steps: obtaining a training sample which comprises an audio signal, an image, a target semantic tag and a segmentation tag; extracting audio features and image features, and performing self-attention enhancement on the audio features based on the target semantic tag to apply target semantic consistency constraint to obtain enhanced audio features; performing cross attention reweighting on the unenhanced audio features based on the guidance of the enhanced audio features to obtain target pointing audio features; bidirectional interactive fusion is executed based on the image features and the target pointing audio features, and a sparse self-attention network is adopted in the image feature fusion process to suppress unmatched image region response; generating a segmentation prediction result based on the fused image features and audio features, and training to obtain an audiovisual segmentation model; and inputting a to-be-processed video into the trained audio-visual segmentation model, and outputting a segmentation result. The image segmentation accuracy of the sounding target can be improved.

The application discloses a high-activity small-molecule plant private care gel and a preparation method thereof, and belongs to the technical field of care products. The care liquid raw materials comprise lotus extract, double-petaled red rose extract, saffron extract, seaweed extract, a small-molecule oligomeric hyaluronic acid gel matrix, a plant polysaccharide composite stabilizer, a pH buffer regulator and purified water. The product is prepared through low-temperature ultrasonic extraction, nanofiltration membrane concentration, sterile mixing and vacuum homogenization defoaming. The product has the characteristics of strong permeability, mildness and no irritation, moisturizing and repair, soothing dryness and itching, maintenance of private microecological balance and the like, the transmucosal absorption rate of small-molecule active ingredients is greater than or equal to 85%, the stability is high, the formula is unique, the process is controllable, and the product is suitable for being used as a female daily private care product.

The application relates to the field of electrodes of a vanadium redox flow battery, and discloses a modification method of high-catalytic-activity carbon felt, which comprises the following steps: firstly, a precursor is prepared by reacting a cobalt-iron salt, 2-methyl imidazole and sodium hydroxide, and a cobalt-iron bimetallic MOF derivative is obtained by calcining at 300 DEG C to 350 DEG C; then, the derivative is prepared into a dispersion liquid, and active components are made to deeply enter the internal pores of polyacrylonitrile-based carbon felt by vacuum impregnation; finally, hydrothermal recrystallization treatment is carried out at 150 DEG C to 180 DEG C, so that dehydration condensation of the modified layer and the substrate occurs to form stable C-O-M chemical bonds. By utilizing the bimetallic synergistic effect and the interface chemical anchoring mechanism, the application systematically solves the bottlenecks of low intrinsic activity, poor wettability and easy falling-off of the catalytic components of the carbon felt. After modification, the static contact angle of the carbon felt is reduced, the immersion weight increase rate is improved, the battery concentration difference polarization is reduced, and the cycle stability of the electrode under long-term electrolyte flushing is ensured.

This application discloses a composite material, its preparation method, and its application, relating to the field of materials technology. The composite material, by mass, comprises 55-75 parts of a matrix resin and 15-25 parts of functional materials. The functional materials include a porous adsorbent, a metal oxide, and a negative ion release agent. The porous adsorbent in the functional materials, due to its large specific surface area, can effectively physically adsorb and enrich organic pollutants such as formaldehyde, catalytically oxidizing them into harmless substances. Negative oxygen ions can charge oxygen molecules in the air, promoting the neutralization, aggregation, and sedimentation of pollutant molecules, or decomposing them. Based on the synergistic effect of the components of the functional materials, the composite material provided in this application can effectively purify air under light-free conditions.

This invention discloses a highly efficient erythromycosis strain that degrades tetracycline antibiotics and its applications, belonging to the field of environmental microbiology technology. The invention provides… Paenirhodobacter enshiensis OTC 2-5, deposited on November 4, 2025, at the China General Microbiological Culture Collection Center (CGMCC), address: No. 3, Courtyard 1, Beichen West Road, Chaoyang District, Beijing, accession number: CGMCC No. 36502. This strain is capable of degrading tetracycline antibiotics such as OTC, exhibiting excellent degradation performance and rapid action under medium-high temperature and neutral to alkaline conditions. This invention provides an effective biodegradation method for the treatment of tetracycline antibiotic pollution in water bodies.