17results about How to "Act quickly" patented technology

The application discloses a hyperspectral image adversarial sample generation method and a hyperspectral target detection model test method, wherein the adversarial sample generation method comprises the following steps: acquiring an original hyperspectral image, and selecting a proxy model; processing the original hyperspectral image by using the proxy model to obtain a prediction result; based on the proxy model, a mixed image is made in combination with spectral features and spatial features of a target category; the original hyperspectral image and the mixed image are respectively input into the proxy model to correspondingly obtain two shallow layer features; a multi-path mixed loss function is constructed based on the two shallow layer features and the prediction result, and the proxy model is iteratively trained by using the multi-path mixed loss function for back propagation to obtain an adversarial sample. The adversarial sample generated by the method comprises rich spectral information, and the effective test of the hyperspectral target detection model can be realized.

The application provides a method for transdifferentiation of fibroblasts into hair papilla-like cells and application thereof, and relates to the technical field of biotechnology. The transdifferentiation method comprises inducing fibroblasts by using Peficitinib, so that the fibroblasts are transdifferentiated into hair papilla-like cells. A large number of hair papilla-like cells with hair induction capacity can be obtained in vitro by the method, and the problem that primary separated hair papilla cells are insufficient for developing alternative therapies for treating alopecia in the prior art is solved.

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 utility model discloses a multi-mode numerical control high-temperature wire thermal shrinkage tunnel furnace which comprises a wire conveying device, a thermal drying device and a control module. The control module is used for driving the wire rod conveying device to execute at least one motion mode, and the motion mode comprises constant-speed motion, positioning motion, interval motion and back-and-forth motion; the constant-speed motion realizes continuous and constant-speed conveying of wire rods, and guarantees the stability of a conventional thermal shrinkage process; the positioning movement enables the wire rod to be accurately suspended below the hot drying device, so that local intensified heating is realized; the multiple wires are parked according to preset intervals through interval movement, and accurate positioning is ensured; the reciprocating motion enables the pyrocondensation material of the wire rod to be heated at multiple angles, and heating dead angles are eliminated. The hot air generator is directly in butt joint with the hot air outlet part, heat loss and energy waste in a hot air transmission path can be reduced, the heat conduction efficiency is improved, and hot air acts on a target area more quickly, intensively and stably.

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 invention belongs to the technical field of medicines, and particularly relates to a silybum marianum composition for improving liver function and a preparation method thereof, the composition comprises quick-release cholagogic micro powder and slow-release liver-nourishing particles in a mass ratio of 1: (2-4); the quick-release cholagogic micro powder is prepared from curcumin, fructus aurantii immaturus flavone, a tanshinone extract and PVP K30 through ball-milling solid dispersion; the slow-release liver-nourishing particle is of a core-shell structure, a freeze-drying core of the slow-release liver-nourishing particle contains silymarin and schizandrin extract, and a glycyrrhetinic acid-phospholipid / chitosan oligosaccharide targeted coating and a medicinal acrylic resin coating are sequentially arranged on an outer layer of the slow-release liver-nourishing particle. According to the composition, through sequential synergy of'first defibering and then repairing 'and a liver targeting effect, the content of silymarin in liver tissue is remarkably increased, the silymarin is retained for a long time, and liver function impairment such as non-alcoholic fatty liver disease is effectively improved.

The invention discloses an application of an ointment taking a banana peel extract as an effective component in prevention and treatment of beriberi. The banana peel extract is prepared by extracting fresh banana peel, has a remarkable inhibition effect on trichophyton rubrum which is a main pathogenic bacterium of beriberi, and can achieve the beneficial effects of sterilizing, relieving itching and preventing keratosis and desquamation after being applied. The banana peel extract is creatively applied to beriberi prevention and treatment, has the characteristics of quick action, remarkable effect, mild process and no toxic or side effect, and provides an effective way for beriberi prevention and treatment.

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 utility model belongs to the technical field of rescue shovels, and discloses a multifunctional shovel for rescue, which comprises a stretcher mechanism, the stretcher mechanism comprises a hollow shovel rod, a rotating shaft capable of rotatably rolling nylon cloth is arranged in the hollow shovel rod, the nylon cloth is arranged on the outer side of the rotating shaft, an arc-shaped sheet is arranged on one side of the nylon cloth, and two groups of grips are mounted on the outer side of the arc-shaped sheet; the hollow shovel rod, the nylon cloth and the arc-shaped sheet jointly form the stretcher, and compared with the prior art, the stretcher mechanism has the following beneficial effects that the stretcher mechanism is designed; when the wounded needs to be transferred, rescue workers only need to hold the arc-shaped pieces and pull the arc-shaped pieces outwards. And along with the movement of the arc-shaped sheet, the nylon cloth wound on the outer side of the rotating shaft can be pulled out of the hollow rotating rod. In the process, the nylon cloth is gradually unfolded and finally forms a temporary emergency stretcher together with the rescue shovel. By means of the design, integration of the stretcher and the rescue shovel is achieved, the trouble that two kinds of tools need to be carried separately in the prior art is avoided, and the load of rescue workers is relieved.

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.

The utility model discloses an edible mushroom sterilization furnace, and relates to the technical field of edible mushroom processing. A driving motor is fixedly installed on the left side of the sterilization furnace body, the output end of the driving motor is fixedly connected with a rotating shaft, and a connecting piece is arranged on the right side of the rotating shaft; the swinging device comprises a mounting plate, a sliding block, a sliding rail, a placing disc, a first mounting rod, a first connecting plate, a second mounting rod, a third mounting rod, a third connecting plate, a third fixing rod and a traction piece; a mounting plate is fixedly mounted at the position, close to the center, of the left side wall in the sterilization furnace body, a sliding rail is circularly mounted on the right side of the mounting plate, sliding blocks are circularly distributed in the sliding rail, first mounting rods are arranged on the right sides of the sliding blocks, and first connecting plates are arranged on the right sides of the first mounting rods; second mounting rods are arranged at the positions, close to the rear ends, of the right sides of the first connecting plates correspondingly, and placing discs are fixedly connected to the right sides of the second mounting rods correspondingly.

The invention discloses application of L-glutamylglycine in prevention and treatment of plant root-knot nematodes, and belongs to the technical field of biopesticides. The L-glutamylglycine can effectively inhibit the infection ability of root-knot nematodes and reduce the harm of the root-knot nematodes to host plants. The L-glutamylglycine provided by the invention has the characteristics of high efficiency, greenness and environmental friendliness, is safe to agricultural products, people, livestock and soil micro-ecology, avoids the residues and pollution risks of traditional chemical pesticides, provides a novel and sustainable green prevention and control strategy for prevention and control of plant root knot nematode diseases, and has a wide application prospect. The method has a wide industrial application prospect in the field of biopesticides.

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.

The invention discloses a heterogeneous catalyst, a preparation method and application of the heterogeneous catalyst in synthesis of carbonic ester compounds. The heterogeneous catalyst provided by the invention is MO-Cu-CMNDI, MO represents one of metal oxides such as MgO, Bi2O3, ZnO, CuO, Fe2O3, ZrO2, Ga2O3, CeO2, SiO2, Al2O3 and TiO2, preferably CeO2, and Cu-CMNDI represents a metal coordination network material [Cu (CMNDI) (H2O) 4] synthesized by CuSO4 and N, N '-bis (carboxyl methyl)-1, 4, 5, 8-naphthalimide (CMNDI). When the MO-Cu-CMNDI catalyst is used for the synthetic reaction of the carbonic ester compound, the catalytic activity is high, the reusability is good, and the yield of the reaction is improved.

The invention relates to a tropisetron mesylate composition tablet, which is prepared from the following components: tropisetron mesylate, POCl3, NaBH4, N, N '-carbonyl diimidazole, methoxy polyethylene glycol amine, 4-dimethylaminopyridine, corn starch, cane sugar, lactose, sodium carboxymethyl cellulose and magnesium stearate. The invention also relates to a preparation process of the tropisetron mesylate composition tablet. The preparation method comprises the following steps: mixing tropisetron mesylate with an ethanol solution to obtain tropisetron free alkali, formylating by using POCl3, reducing by using NaBH4 to introduce an active hydroxyl group, and reacting by using N, N-dimethylformamide to obtain the tropisetron mesylate. The compound is further activated by N, N '-carbonyldiimidazole and is coupled with methoxy polyethylene glycol amine through catalysis of 4-dimethylaminopyridine, so that the water solubility can be improved, and the purpose of increasing the dissolution rate to improve the action effect of the medicine is achieved.