234results about How to "Ensure Structural Integrity" patented technology

The invention discloses a multi-source geographic vector data matching method based on topological relevance, which comprises the following steps: collecting multi-source basic geographic vector data to form a preprocessed data set; constructing multi-index data quality evaluation based on local topological features; extracting and classifying spatial topological relation edges; constructing a weighted adjacent matrix of the target map; a neighborhood topology consistency measurement index is calculated, and neighborhood topology consistency quantization and adaptive weight fusion are carried out; establishing a global optimization objective function by taking the confidence coefficient matrix as input, solving a maximum weight bipartite graph matching problem with topology constraints by taking the topology retention rate as a hard constraint condition, and outputting a global optimal matching scheme; and constructing a quantitative evaluation index topology deviation measure based on topology invariant difference, judging whether a matching scheme has a significant topology conflict, and performing hierarchical repair according to the conflict condition. According to the method, the reliability and logic self-consistency of multi-source vector data fusion are improved, and the key problem of topological contradiction in the prior art is solved.

The invention relates to the technical field of vehicle auxiliary lighting, in particular to a high-heat-conduction vehicle lamp heat dissipation fin structure and a connecting method.The high-heat-conduction vehicle lamp heat dissipation fin structure comprises a protective shell, a light transmitting assembly, a vehicle lamp body, an air guiding unit and a cooling assembly.The light transmitting assembly is fixedly installed on the upper portion of the protective shell to form a sealed cavity; the automobile lamp body is installed on the inner side of the protective shell, the air guide unit comprises a first air guide pipe and a second air guide pipe to form an airflow channel, the cooling assembly comprises an electric motor and a heat dissipation unit, and the heat dissipation unit is in transmission connection with the electric motor, surrounds the automobile lamp body and keeps a non-contact matching state. The heat dissipation unit is driven by the electric motor to rotate to generate forced airflow and is matched with the air guide unit to form a circulating heat dissipation path. The parking lamp has the advantage that the internal temperature of the lamp sealing cavity can be adjusted, and the problem of heat accumulation caused by long-time working of a traditional parking lamp in a static state is effectively solved.

The invention discloses an immunofluorescence imaging method for driving tyramine signal amplification based on chemiluminescence and application thereof, and relates to the technical field of biomedical imaging. The immunofluorescence imaging method comprises the following steps: carrying out first incubation on a to-be-detected sample and a peroxidase-labeled antibody; performing second incubation on the to-be-detected sample after the first incubation and a tyramine substrate containing a fluorophore under a dark condition; adding a chemiluminescent substrate solution into the to-be-detected sample after the second incubation, and carrying out image acquisition; wherein the antibody can be specifically bound with a target protein; the tyramine substrate can generate active free radicals under the catalysis of peroxidase, so that the active free radicals are covalently cross-linked with tyrosine residues; the chemiluminescent substrate solution comprises hydrogen peroxide and luminol. The immunofluorescence imaging method improves imaging signal and fluorescence stability, effectively reduces background interference and phototoxicity, is suitable for long-time stable fluorescence immunoimaging, and is especially suitable for high-sensitivity detection of low-expression protein markers.

This utility model relates to the field of fire-resistant infill door technology, specifically: a reinforced fireproof infill door, comprising a door body, the door body being composed of an outer protective layer, a first fireproof and heat-insulating layer, a reinforcing support layer, a second fireproof and heat-insulating layer, a buffer and shock-absorbing layer, and an inner protective layer. The outer protective layer is a steel plate with a fireproof coating; the first fireproof and heat-insulating layer is an aerogel composite fireproof felt; the reinforcing support layer is a honeycomb stainless steel skeleton structure; the second fireproof and heat-insulating layer is an expanded perlite fireproof board; the buffer and shock-absorbing layer is melamine foam; and the inner protective layer is a fireproof decorative board. In this utility model, through the synergistic effect of the six layers, the performance of the door body is comprehensively improved from multiple aspects such as fireproofing, heat insulation, structural support, and buffer and shock absorption. It can effectively block the spread of flames and heat for a long time during a fire, ensuring the structural integrity of the door body and buying valuable time for safe evacuation and fire rescue.

The invention discloses a biological agent for preventing and treating panax notoginseng root rot, and relates to the technical field of biological prevention and treatment, the biological agent is composed of four layers of functional florae: an A layer of sentinel-decoding flora is used for identifying a pathogen quorum sensing signal and is used as an event trigger source, a B layer of metabolic countering flora is used for decoupling conversion of disease-promoting saponin and controllable release of a metabolic false substrate, and a C layer of functional florae is used for controlling root rot of panax notoginseng. The C-layer self-healing conductive biological membrane construction flora forms a biological membrane with conductivity and self-healing capability on the root surface, and the D-layer electrically-enabled flora constructs stable biological micro-current at the rhizosphere by using ferric oxide particles as external electron acceptors. The layer A triggers to cause controlled release of the layer B, a conversion product of the layer B provides a carbon source and a structural unit for the layer C, and a conductive network of the layer C and the layer D form an electronic path. The biological agent is used for early recognition and continuous inhibition of pathogens in panax notoginseng planting soil, can start defense response in the early stage of quorum sensing signal occurrence, and keeps action stability under complex environmental conditions.

The utility model relates to the technical field of steel balls, and discloses a multi-steel-ball separating and feeding mechanism which comprises a separating box, a vibrating disc is arranged on the right side of the top of the outer wall of the separating box, a fixing box is fixedly connected to the bottom of the vibrating disc, a vibrating machine is fixedly connected to the inner wall of the fixing box, and a sliding rail is fixedly connected to the output end of the vibrating disc. A small round hole is formed in the middle of the sliding rail, a temporary storage box is fixedly connected to the bottom of the sliding rail, a direction hole is formed in the left side of the inner wall of the temporary storage box, the right side of the temporary storage box communicates with the top of the separation box, and temporary storage boxes are fixedly connected to the left side and the right side of the top of the inner wall of the separation box correspondingly; and connecting pipes are fixedly connected to the left and right sides of the bottom of the inner wall of the separation box. According to the steel ball sorting device, the steel balls with moderate diameters and the steel balls with overlarge diameters are respectively guided to different paths through the small round holes, so that the steel balls finally fall into the corresponding temporary storage boxes in the separation box, and the preliminary sorting of the steel balls is realized.

The application provides a battery module and a battery box. The battery module comprises a frame assembly having a receiving cavity, the frame assembly comprising a first frame extending along a second direction, and a buffer arranged in the first frame; and a cell assembly accommodated in the receiving cavity, the cell assembly comprising a plurality of cell bodies arranged at intervals along a first direction, and the cell bodies extending along the second direction; wherein the first direction and the second direction have an included angle. The application can reduce the risk of cell damage.

The application belongs to the technical field of oil and gas exploitation, and relates to a kind of amphiphobic nano oil displacement agent and a preparation method thereof, which takes nano silicon dioxide as the core, is modified by amino silane coupling agent and hydrophobic silane coupling agent in sequence respectively, and forms dumbbell-shaped prepolymer after mixing; then is grafted by perfluoroalkyl silane coupling agent to give it hydrophobic and oleophobic properties; finally is crosslinked and solidified by epoxy silane coupling agent to form a three-dimensional network structure. The obtained oil displacement agent has excellent amphiphobicity, high temperature and high salt stability and adsorption resistance, can effectively enter the low permeability oil reservoir pore throat, and significantly improves the oil recovery. The preparation method has simple process and mild conditions, is suitable for large-scale production, and has good application prospect in improving the efficiency of oil and gas exploitation.

This invention belongs to the field of airflow field testing and optical measurement technology for aero-engine compressors, specifically relating to an integrated three-dimensional endoscopic PIV probe for measuring the internal flow field of aero-engines. It is suitable for three-dimensional velocity vector measurement of the internal flow field in confined spaces such as aero-engines, gas turbines, and industrial compressors. Its features include: an integrated probe body, a left imaging channel, a laser emission channel, a right imaging channel, an optical window, a spherical lens, a cylindrical lens, a fiber collimator, an optical fiber, an objective lens, an imaging fiber, an eyepiece, a purge channel, an air inlet, an air intake, an external connecting flange, an external laser interface, an external camera interface, an imaging camera, a laser, a displacement mechanism, and a target measurement area. The probe body contains a laser emission channel and left and right imaging channels arranged in a triangular pattern. Through single-hole installation, it can form sheet-like laser illumination in confined internal flow channels such as aero-engine compressors and simultaneously acquire dual-view particle images, thereby achieving high-precision measurement of the three-dimensional velocity components of the internal flow field.

The invention discloses a battery monomer, a battery device and a power utilization device. The battery cell includes a housing, an electrode assembly, a first insulator, and a barrier. The shell is provided with a first wall, and the first wall is provided with a liquid injection hole. The electrode assembly is arranged in the shell. The first insulating part is arranged in the shell and located between the first wall and the electrode assembly, and the first insulating part is provided with a first through hole corresponding to the liquid injection hole in position; in the thickness direction of the first wall, the blocking piece is arranged on the side, facing the electrode assembly, of the first insulating piece, and the blocking piece is configured to at least partially shield the first through hole. The blocking piece is provided with a liquid outlet, the direction of the liquid outlet is perpendicular to the thickness direction of the first wall, the direction of the liquid outlet intersects with the first direction, and the first direction is parallel to the width direction of the first wall. According to the technical scheme provided by the invention, the reliability of the battery device can be effectively improved.

The invention relates to the technical field of building construction, in particular to a safe plate hoisting auxiliary structure for curtain wall construction, which comprises an auxiliary frame, a first hoisting point is arranged at the top end of the auxiliary frame, and a hoisting base is arranged on the outer side of the auxiliary frame. The hoisting base is provided with a negative pressure adsorption mechanism used for grabbing the curtain wall and provided with a second hoisting point. And the auxiliary frame is matched with the stable guide wheel mechanism on the hoisting base through the guide fixing mechanism to form track constraint. The structure further integrates a distance adjusting assembly, a damping assembly and a synchronous movement assembly, and double-side synchronous adjustment is achieved through a linkage disc or a gear and a rack. In addition, the curtain wall protection device is further provided with an anti-falling assembly and a curtain wall protection mechanism with a protection annular plate, and a protection sliding frame is driven by a protection driving assembly to move centripetally. Through frame guiding, mechanical synchronous linkage and multi-stage safety protection, the problems that high-altitude curtain wall hoisting swing is large, and safety is poor are solved, and the efficiency and safety of curtain wall construction are remarkably improved.

The invention relates to the technical field of surface modification, and discloses a surface modification method based on an ion implantation method, which comprises the following steps: carrying out surface pretreatment on a titanium-based or cobalt-chromium-based implant; forming an interface steady-state layer by adopting low-energy nitrogen ion implantation; low-concentration oxygen ion co-injection is carried out on the steady-state layer to form a discontinuous anti-migration blocking layer; calcium ions, zinc ions and silver ions are injected in sequence, and a depth gradient structure from inside to outside is obtained through biphase modulation bias voltage; then implementing oxygen ion directional injection to form a non-stoichiometric oxide layer; performing alternating electric field aging in a water vapor and phosphate atmosphere to construct an ion trapping layer; and finally, sterilizing and sealing the treated workpiece. By constructing a multi-layer synergistic structure and a dynamic ion regulation and control mechanism, migration and agglomeration of functional ions can be slowed down, and the long-term stability of the surface of the implant is improved.

The invention relates to the technical field of beverage preparation, in particular to a processing method of a functional beverage containing embryo elements, which comprises the following steps: separating corn germs from corn kernels, drying the corn germs, and performing microwave treatment at preset microwave power to obtain inactivated corn germs; when it is judged that preparation of the inactivated corn germs does not meet a preset standard according to the oxidation risk characterization value, preset microwave power is increased or the inactivated corn germs are abandoned; the method comprises the following steps: crushing and breaking walls of inactivated corn germs meeting preset standards to obtain germ powder, and performing enzymolysis treatment on the germ powder to obtain a corn embryo base solution; when it is judged that the preparation of the embryo base solution does not conform to a preset standard according to the curve goodness of fit, the reason that the preparation of the embryo base solution does not conform to the preset standard is determined according to the absorbance; and diluting, homogenizing and sterilizing the corn embryo base solution to prepare the functional beverage containing the embryo. The processing efficiency of the functional beverage is improved.

This invention provides an electropolymer-modified aluminum current collector, its preparation method, and its application, relating to the field of aluminum foil current collector technology. By modifying the current collector surface, it primarily addresses the interface problem between the current collector and the active material, thereby improving the performance of lithium-ion batteries. This invention uses an aluminum foil current collector as the anode, a graphite plate as the cathode, and an acidic solution of a conductive polymer monomer as the electrolyte. Anodizing electropolymerization is performed using a constant current or constant voltage method, followed by washing and drying to obtain the electropolymer-modified aluminum current collector. The conductive polymer monomer is at least one of aniline, thiophene, and pyrrole; the concentration of the conductive polymer monomer in the electrolyte is 0.1-1.0 mol / L; and the polymerization time is 5-10 min. This invention effectively reduces the contact resistance between the current collector and the active material, improves the bonding strength between the coating and the substrate, and enhances the corrosion resistance of the current collector, showing promising application prospects.

This invention provides a halide solid electrolyte and its preparation method, belonging to the field of solid electrolyte technology. First, alkylphosphonic acid is reacted with lithium carboxylate to prepare lithium-ionized alkylphosphonic acid. Then, the lithium-ionized alkylphosphonic acid is mixed with a halide electrolyte, and the mixture is dispersed in a solvent, stirred, filtered, and dried to obtain a halide solid electrolyte coated with lithium-ionized alkylphosphonic acid. This invention constructs a dense, uniform hydrophobic protective layer on the surface of halide electrolyte particles through in-situ coating with long-chain lithium alkylphosphonate, effectively isolating moisture and oxygen from the environment and significantly improving the air stability of the halide electrolyte. Simultaneously, this coating layer helps reduce the interfacial impedance between the electrolyte and electrode materials, optimizing the overall ionic conductivity of the material.

This application relates to the biomedical field and discloses a method for preparing a type I composite photosensitizer with both hydrogen sulfide detection capabilities and its uses. The invention synthesizes a triphenylamine derivative TPAB with an A-π-D-π-A conjugated structure using TPA-CHO and MN as monomers via a Schiff base reaction, and further incorporates Cu... 2+ By introducing TPAB molecules, a stable metal complex photosensitizer is formed through coordination bonds. This application presents the functional composite photosensitizer TPAB-Cu. 2+ Characterized primarily by the generation of type I ROS, it exhibits highly efficient photodynamic bactericidal activity in hypoxic environments infected with drug-resistant bacteria. Furthermore, this functional molecule can be used to detect hydrogen sulfide levels in the microenvironment of drug-resistant bacterial infections, enabling early warning and real-time monitoring of the treatment process. This solves the technical problems of strong oxygen dependence of photosensitizers and insufficient sensitivity and specificity in response to the microenvironment of drug-resistant bacterial infections in existing photodynamic therapies.

One or more embodiments of the present specification provide an image generation method, a storage medium and a program product, the method comprising: inputting a local image and a text into an image generation model, the image generation model being obtained by training a constructed neural network model by using a training sample set, each training sample in the training sample set comprises a global reference image, a local reference image and a reference text, the local reference image is an intercepted part in the global reference image, and the content of the reference text is associated with the global reference image; and generating an extended image corresponding to the local image and the text based on the image generation model, wherein the size of the extended image is greater than that of the local image. Through the specific training mechanism for the image generation model, the image content is effectively enriched while the integral structural integrity and visual coherence of the image are ensured.

The invention relates to the technical field of membrane separation, in particular to a functional group regulated covalent organic framework (COF) membrane and a preparation method thereof, and relates to application of the membrane in selective separation of monovalent cations. The preparation method comprises the following steps: condensing a polyaldehyde monomer and aromatic diamine with different side chain substitutions on an interface through oil-water-oil three-phase interface micro-fluidic dripping to generate a two-dimensional COF nanosheet, carrying out ultrasonic dispersion, carrying out vacuum filtration, self-assembling on a porous substrate, and drying to obtain a continuous separation layer with the thickness of 50-150nm. The functional group can regulate and control pore channels and surface charges, flux and selectivity of monovalent cations such as Li < + > can be adjusted, effective separation is kept at the pH of 3-11, and the functional group is suitable for lithium salt extraction and electrolyte purification.

The invention discloses a composite fireproof heat insulation pad for a battery pack and a preparation method thereof, and belongs to the technical field of battery safety. The heat insulation pad is of a double-layer composite structure, the inner layer is a high-silicon-dioxide glass fiber needled felt heat insulation core layer, and the outer layer is a ceramic silica gel glass fiber cloth fireproof coating layer. The two layers are sewn into a whole through high-temperature-resistant sewing threads, and a back adhesive layer is arranged on one side of the two layers. The product provided by the invention has excellent fire resistance (can tolerate flame at 1000 DEG C for 30 minutes), excellent heat insulation, excellent flexibility and thermal shock resistance, and is convenient to install. The preparation process is simple, can be completed through cutting, wrapping and sewing and gum application, and is suitable for large-scale production. The product can effectively delay or prevent heat spreading in the battery pack, and the battery safety level of the new energy automobile is remarkably improved.

The application discloses a cleaning method for wafer regeneration and HK film removal, which comprises three sequential steps: step 1, using a mixed solution of hydrofluoric acid and hydrogen peroxide to remove dense HK film, and through the synergistic effect of hydrogen peroxide oxidation and hydrofluoric acid dissolution, the HK film is completely peeled off from the silicon substrate; step 2, using aqua regia to remove other metal films, and using the stable complex formed by chloride ions and metal ions to enhance the metal removal effect; step 3, using SC2 cleaning solution for metal control cleaning, and removing trace metal ions; after each chemical treatment, the cleaning process of ultrapure water flushing and spin-drying is adopted. The method also comprises a neutralization treatment process of waste liquid and sodium hydroxide solution. Through the above three-step sequential process, the application can realize the beneficial effects of significantly improving the film removal efficiency, greatly improving the yield, effectively controlling the damage of the silicon substrate and enhancing the environmental friendliness of the process.

The invention relates to a multi-line text searching and replacing method and system, and the method comprises the steps: carrying out the preprocessing of an original multi-line text, a multi-line searching content and a multi-line replacing content, removing the head and tail spaces of each line, and obtaining a corresponding logic text, a logic searching content and a logic replacing content, judging whether the logic search content contains a preset wildcard character or not, if the logic search content does not contain the preset wildcard character, carrying out simple character string matching on the logic text to obtain a logic index search result, converting the logic index search result into an original character index by utilizing a preset index mapping relation for positioning, and executing simple replacement operation, and if the logic search content contains the preset wildcard character, carrying out simple character string matching on the logic text to obtain a logic index search result; and if the logic text is matched with the fuzzy item list, regarding the logic search content as an integral matching block, performing sliding comparison according to rows in a row array corresponding to the logic text, if the matching succeeds, extracting the fuzzy item list and the starting and stopping row indexes of the matching block, performing positioning by utilizing an index mapping relation, and executing fuzzy replacement operation of inserting the fuzzy item list into a placeholder.

The application belongs to the field of aero-engine test, and particularly relates to a bird impact test group gun launching high-speed shell design method, which is based on the shape of a uniform thin-walled cylinder structure shell, constructs a three-dimensional numerical simulation model of the shell and a shell ejection device, calculates stress and deformation results of the shell when the shell impacts the shell ejection device at a high bird speed, and finds out stress weak positions and displacement weak positions of the structure; the minimum size bird body that can be accommodated in the middle section and the rear section of the shell is taken as a constraint, the minimum inner diameters of the middle section and the rear section of the shell and the optimal buckling mode of the shell are taken as optimization targets, and the shell structure is subjected to topology optimization to obtain an initial shell profile; the internal stress of the shell does not exceed the material failure stress, and the total mass of the shell does not exceed the original mass, which are taken as constraint conditions, and the maximum energy absorption of the front end of the shell and the minimum deformation of the middle section and the rear section are taken as optimization targets, and the shell structure is subjected to topology optimization of size and shape to obtain an optimized shell.

The present application relates to the technical field of wire welding, in particular to a microphone wire welding processing equipment, comprising a workbench, a control module and a welding module installed on the workbench top, the microphone wire welding processing equipment further comprises a wire clamping unit, the wire clamping unit comprises a moving part arranged on the workbench top, a wire end supporting part is connected to the moving part, the wire is placed on the wire end supporting part, and the wire end supporting part drives the wire to move through the moving part. The wire clamping unit cooperates with the placing unit to detect the connection strength of the two branch wires of the wire and the microphone welding position at the same time after the wire and the microphone are welded, the detection of the two branch wires is opposite to each other, the strength of single branch wire welding is accurately detected, independent determination of single branch wire connection strength is realized, the situation that single branch wire is false welding but the whole is not detected is effectively avoided, and the welding quality is ensured.

The utility model relates to a kind of scrap cleaning mechanism and die-cutting machine, including mesa, groove, plate body and airflow mechanism, the groove is opened in mesa, the plate body top is placed with the adhesive material to be die-cut, centrifugal fan is started to air in plate body is extracted, external air is entered into plate body from multiple air holes, plate body top can be adsorbed with adhesive material, play auxiliary fixation, cooperate with laser die-cutter and adjusting platform, die-cutting is carried out to adhesive material, laser die-cutting generated part smoke can also be adsorbed in plate body, enter gas frame by adapter pipe, after being filtered by filter element in gas frame, exhaust, after die-cutting is completed, scrap is accumulated on plate body, cylinder is started to drive plate body rotation, plate body is inclined to discharge hopper, centrifugal fan is started reversely, air supply in plate body, airflow is discharged by air hole top, scrap is assisted to blow into discharge hopper.

The application discloses an insect exoskeleton morphological layup composite panel, a sandwich structure and a preparation method. The sandwich structure comprises two pieces of bionic layup composite panels and a piece of aramid honeycomb core layer. The bionic layup composite panel draws lessons from the spiral stacking microstructure of the insect exoskeleton, the layup design considers the symmetry and balance requirements of the composite material, a fixed rotation angle is introduced between adjacent fiber layers, and the rotation angle is taken as a period of 180 degrees, and after a plurality of periods are laid and heat-pressed and cured, the bionic layup composite panel is obtained. The bionic layup design effectively reduces the interlaminar shear stress of the composite material, weakens the inherent anisotropy of the composite material, and improves the transverse bearing capacity and impact resistance. The bionic layup composite panel and the aramid honeycomb core layer have the advantages of high specific strength, high specific stiffness, impact energy absorption, vibration and noise reduction, electromagnetic shielding and the like, and a structure and function integrated material with more excellent comprehensive performance is obtained, and the structure and function integrated material is expected to be widely used in main load-bearing structures of various spacecrafts.

The invention discloses a structure for a joint of a road underpass and a rear opening of an existing underground structure, which comprises the existing underground structure, and the rear opening is formed in the side wall of the existing underground structure; the protective ring beam is poured on the outer side of the side wall, the protective ring beam is arranged in a circle in the circumferential direction of the rear opening, and a rubber water stop strip is embedded in a construction joint between the side, facing the side wall, of the protective ring beam and the existing underground structure; the road underpass channel is coaxially arranged on the other side, away from the side wall, of the protective ring beam, and a deformation joint is formed between the road underpass channel and the other side of the protective ring beam; and the water stop belt is arranged in the deformation joint, and the two opposite sides of the water stop belt are buried in the road underpass channel and the protective ring beam correspondingly. The problem that the waterproof effect is poor when the rear opening is connected under the condition of asynchronous construction of the road underpass and the existing underground structure is solved.

This invention discloses a bio-based biodegradable synthetic leather material and its preparation method, belonging to the field of polymer synthetic leather material manufacturing and modification technology. The method includes: mixing and dehydrating castor oil polyol, lignin-based polyol, and bio-based polycarbonate diol; adding isocyanate and a bio-based chain extender containing dynamic disulfide bonds to react and obtain a bio-based polyurethane resin; dissolving the resin in a solvent; adding amphiphilic modified nanocellulose whiskers, polydopamine-modified silica, bio-based epoxidized soybean oil, a pore-forming agent, and a stabilizer to obtain a synthetic leather coating solution; coating the coating solution onto a base fabric to form a wet film; gradient solidification; washing with water; and drying to obtain the bio-based biodegradable synthetic leather material. This invention improves the crosslinking stability and interlayer bonding force of the material under hygrothermal aging by using dynamic disulfide bond self-repair, nanoparticle interface enhancement, and gradient solidification to regulate the pore structure, reducing the release of volatile organic compounds, and balancing water resistance, moisture permeability, and biodegradability.

The invention relates to the technical field of traditional Chinese medicine and health food processing, and discloses a preparation process and application of a black ginseng extract lozenge, and the preparation process comprises the following steps: crushing starch, powdered sugar and polyethylene glycol in parts by weight, and sieving for later use; performing ultrasonic extraction and vacuum concentration on the black ginseng to obtain a black ginseng concentrated solution; slowly adding a pre-prepared black ginseng concentrated solution into the sieved starch and powdered sugar, and stirring to prepare a soft material; granulating, drying and finishing the soft material to obtain dry granules; and adding sieved polyethylene glycol into the dry particles, uniformly mixing, tabletting, forming, and sterilizing by ultraviolet radiation to obtain the buccal tablets. According to the method, ultrasonic-assisted extraction is adopted, so that degradation of heat-sensitive rare saponin is avoided; the concentrated solution is directly granulated, so that the difficulty that the extract absorbs moisture and is sticky is overcome, and the forming rate is increased; the prepared lozenge can activate a PI3K-Akt signal channel and regulate release of 5-HT, and can be used for preparing products for relieving chronic fatigue syndrome and improving spatial cognitive impairment.

This invention discloses a composite current collector, its preparation method, an electrode, and a battery, belonging to the field of lithium-ion battery technology. The composite current collector provided by this invention includes: a porous conductive matrix comprising a polymer and a first conductive filler dispersed in the polymer, prepared by differential roller stretching; a conductive layer disposed on at least one surface of the porous conductive matrix; and the conductive layer comprising a second conductive filler and a binder. The composite current collector of this invention achieves a significant reduction in electrode resistivity while maintaining excellent mechanical properties, effectively resolving the performance contradiction between lightweight and conductivity in traditional composite current collectors. The assembled lithium-ion battery exhibits high energy density, high cycle stability, and high safety.

The application discloses a surface heat treatment process for improving the strength of a mining metal roof beam and relates to the technical field of surface heat treatment, and comprises the following steps: preparation of a multi-element co-permeation agent; pretreatment of a substrate surface; boxing and sealing; gradient high-temperature chemical co-permeation; integrated cooling and quenching treatment; low-temperature tempering stress relief; post-treatment and detection. The application realizes the balance between high surface hardness and high core toughness by constructing a dense functional layer on the roof beam surface in situ through multi-element co-permeation and gradient heat treatment, and improves the service life of the roof beam under heavy load, wear and acidic corrosion environment in a mine.