1300results about How to "Save money" patented technology

The invention discloses a construction method for governing and repairing desertification degraded grassland in an arid area, and relates to the technical field of sand governing. The method comprises the following steps: evaluating a native vegetation type, vegetation coverage, a soil degradation and desertification degree, a soil type and a water resource condition; performing classified measures according to natural conditions, and determining different types of dune (flowing, fixed or semi-fixed) treatment measures; construction preparation; grid sand barriers are laid on the windward sides of the moving dunes and the semi-fixed dunes, and sand stabilization operation is conducted in a mechanical and manual combined mode; digging pits to plant indigenous shrubs subjected to special treatment, and using rooting water retention bags to improve the survival rate; the granular organic fertilizer and the seeds are mixed and stirred according to a certain proportion and then sown into soil at a time, the operation frequency is reduced, and precise fertilization is achieved. Through effective sand prevention and control measures, the sand wind damage is reduced, the living environment of farmers and herdsmen is protected, and the living quality is improved.

The invention discloses a path planning method, device and equipment based on a multi-target unmanned aerial vehicle, and a storage medium, and the method comprises the steps: collecting the geographic information data of an inspection region, building a planning path database according to the collected data, and carrying out the preprocessing and optimization of the data; solving an unmanned aerial vehicle path planning model based on a particle swarm algorithm according to maneuvering characteristics, safety constraint conditions and routing inspection target priorities of unmanned aerial vehicle flight; unconventional obstacles are detected in real time based on an unmanned aerial vehicle visual system, and local safety adjustment of a path is achieved; and the updated path is synchronously sent to a remote client, and path evaluation and manual intervention are carried out. According to the method, the flight duration, the path smoothness and the path effectiveness are comprehensively considered, the method can adapt to complex environments and inspection requirements, the particle swarm optimization and the binocular distance measurement technology are comprehensively applied, the intelligence and the real-time performance of path planning are improved, the flight risk is reduced, and the safe work of the inspection requirements of the unmanned aerial vehicle is guaranteed.

The invention relates to green low-carbon functional inorganic rock coating artistic effect paint and a preparation method thereof, and belongs to the technical field of paint. The waterborne epoxy resin emulsion is modified, the aminated calcium carbonate and the modified carboxymethyl cellulose are introduced, and multiple components act together, so that the adhesion level is effectively improved, and good salt fog resistance and aging resistance are obtained.

The invention discloses a virtual screening method of candidate drugs. The virtual screening method comprises the following steps: 1) providing an FXR receptor; providing a TGR5 receptor; oCA with a modified structure is used as a lead compound; providing an FXR ligand small molecule; 2) according to an active pocket of the FXR, performing molecular docking scoring on the lead compounds and the FXR, and screening the lead compounds to obtain a first compound; 3) according to an active pocket of the TGR5 receptor, performing molecular docking scoring on each first compound and the TGR5 receptor, and screening out a second compound from the first compounds; and 4) screening the second compound by adopting a pharmacophore model constructed on the basis of FXR ligand small molecules. The method provided by the invention can effectively reduce blindness of traditional drug design experiments, has high efficiency and low cost, can greatly reduce the time required for improving the compound, and increases the success rate. The candidate drug can regulate lipid metabolism and has no side effect.

The invention discloses a work order auditing management method and system based on a large language model and a medium. The method comprises the steps of receiving input and correspondingly matching a work order auditing rule; based on the matched work order auditing rule, analyzing and processing the input through a large language model NLP, and converting the input into a natural language rule; carrying out synonym and antonym conversion on input white words, and carrying out equal rule conversion on converted words based on a corpus word library; performing rule text and code conversion on the converted natural language rule; and carding the processed rules into SQL statements which can be identified by the system according to the fields and the judger rule base. Updating the rule knowledge base; and writing the processed SQL statements which can be identified by the program into a rule knowledge base. According to the method, non-technical personnel can adjust and modify the work order information verification rule by using a natural language by using a large language model technology, so that the intelligent level of a work order system is enhanced, the development cost of the system is reduced, the auditing efficiency of a work order process system is improved, and the method has relatively good practicability.

The invention discloses a method for preparing a porous ceramic filter ball from electrolytic manganese residues, and relates to the technical field of environmental protection and ceramic materials, and the method comprises the following steps: (1) raw material treatment: crushing the electrolytic manganese residues into particles of 2-3 cm, drying by using a dryer, and after drying, carrying out ball milling and sieving on the electrolytic manganese residues by using a planetary ball mill to obtain a raw material; (2) weighing and proportioning raw materials: weighing and proportioning the raw materials in percentage by weight: 50-80% of electrolytic manganese residues, 20-50% of calcined kaolin, 0-10% of an additional cosolvent and 0-10% of a pore-forming agent; (3) mixing the raw materials; and (4) granulating and aging the mixture. According to the method for preparing the porous ceramic filter balls from the electrolytic manganese residues, a brand new path is developed for comprehensive utilization of the electrolytic manganese residues, the path enables the utilization rate of the electrolytic manganese residues to be greatly increased, the path becomes an extremely effective path for consuming the electrolytic manganese residues, the electrolytic manganese residues can be fully utilized due to the characteristic of high utilization rate, and efficient cyclic utilization of resources is achieved.

The invention provides a rapid monitoring device and method for ballast water, relates to the technical field of ballast water monitoring, and provides a more reliable, rapid, effective and standardized monitoring method, a portable device and an enrichment device for entry and exit inspection and quarantine departments. The device comprises a box body, a connecting flange arranged outside the box body and an enrichment device located outside the box body and used for enriching ballast water environment DNA related substances, an inner cavity of the box body is hollow, a positive pressure pump is fixed in the inner cavity of the box body, and a negative pressure pump is fixed in the inner cavity of the box body. A water delivery port and a water discharge port are formed in the box body, the connecting flange is communicated with the water delivery port of the box body through a connecting pipe, a water inlet of the positive pressure pump is communicated with the water delivery port of the box body through a pipeline, a water outlet of the positive pressure pump is communicated with a water inlet of the enrichment device through a pipeline, and a water outlet of the enrichment device is communicated with the water discharge port of the box body through a pipeline.

The invention discloses an insulating sleeve packaging production line and a control and use method thereof.The insulating sleeve packaging production line comprises a feeding system, a detection system, a pipe cutting and pulling system, a conveying system, a waste collecting system and a bundling and packaging system, and insulating sleeves are conveyed to the detection system through the feeding system; qualified products are pulled and conveyed to the conveying system through the cutting and pipe pulling system, and packaging is completed through the bundling and packaging system; when the detection system detects defective products, single-single cutting is carried out in the pipe cutting and drawing system, and waste collection is completed through the waste collection system. According to the invention, the defects of the sleeve can be detected, the detection device detects the defective sleeve by using the sensor under the condition that a packaging line is not stopped, manual intervention is not needed, the sleeve is not damaged, the quality control of the sleeve is realized in an automatic manner, the detection precision is improved, and a large amount of manpower and material resources are saved.

The invention belongs to the technical field of grafting and seedling raising, and discloses a method for grafting and seedling raising by reserving a first true leaf of a pumpkin rootstock, which comprises the following steps: selecting the pumpkin rootstock; scion and stock seedling raising; reserving true leaves for grafting; grafted seedling healing period management; the specific operation of keeping the true leaves for attaching grafting is as follows: the true leaves and one of the cotyledons are separated to one side by the thumb and the index finger of the left hand, then a grafting blade disinfected by alcohol is used for beveling along the middle of the true leaves and a growing point, a notch is preferably used for simultaneously removing one of the cotyledons and the growing point, the other cotyledon is kept, and the notch is not too long and is about 1cm preferably; the scion is beveled by 30 degrees at the position 1-2 cm below the cotyledon base, it is guaranteed that the cut surface is smooth, and the length of the cut is about 1 cm. Grafted seedlings obtained through the method have higher root system related physiological indexes, grafting survival rate, SPAD value, plant height, stem diameter and leaf number, and healthy growth and strong seedling indexes of the seedlings are integrally improved.

The invention relates to a corn kernel and skin screening method which comprises the following steps: step 1, firstly, conveying a mixture mixed with corn bran, corn stigma and corn seeds into a storage disc; then, winding and collecting the filamentous corn bran and corn stigma through a cleaning assembly; step 2, conveying the cleaned mixture into a mixed sealed water tank part, so that the corn seeds with the density meeting the set requirement float upwards; step 3, firstly, the corn seeds in the liquid are taken out through rising of a vibration output part, and the corn seeds with water discharged are air-dried through an air blowing part; then, the inclined vibration part drives the corn seeds to move upwards, the air blowing assembly blows air in the forward direction, and chippings smaller than meshes of the inclined vibration part fall into the waste box; secondly, corn seeds are conveyed to a vibrating screen conveying belt through a guide plate; the device is reasonable in design, compact in structure and convenient to use.

The invention discloses an ecological restoration method for a subalpine meadow side slope after engineering disturbance, and the method comprises the steps: transplanting local native turf to a specific position of the side slope in a chessboard type layout mode, and stripping and filling the soil of the native turf into an unoccupied area except the transplanted turf, so that a local ecological system can be quickly restored, and the ecological restoration of the subalpine meadow side slope is facilitated. Meanwhile, the balance of a local ecological system is maintained, and the service function of the local ecological system is restored. According to the method, the local native turf is transplanted in a chessboard type layout mode, manpower and material resources are effectively saved, meanwhile, half of the native turf is transplanted to drive an original seed bank in soil to grow, vegetation coverage of the whole restoration area is promoted to be rapidly achieved, native vegetation is used for restoration, harm caused by using alien species is avoided, and the method is suitable for large-scale popularization and application. Meanwhile, the method has the advantages of low cost, high recovery speed, high survival rate and the like, and the purposes of recovering an ecological system by using local species and seed banks and recovering nature in a natural manner are achieved.

The invention discloses an application of a KASP molecular marker linked with a pumpkin flavor substance 2-acetyl-1-pyrroline in detection or screening of pumpkin germplasm resources containing 2-acetyl-1-pyrroline, the KASP molecular marker is located at the 712637 site of a chromosome 10 of a Chinese pumpkin genome, and the basic group at the site is T or C. The KASP molecular marker can be used for detecting or screening pumpkin germplasm resources containing 2-acetyl-1-pyrroline. The KASP molecular marker and the amplification primer group thereof can be used for accurately detecting whether the pumpkin germplasm resource contains the aromatic substance 2-acetyl-1-pyrroline or not, so that the judgment efficiency of the aromatic substance can be effectively improved, and the planting manpower, material resources and financial resources of non-target breeding resources are reduced.

The invention discloses a flue gas cloth bag dust removal system and method based on automatic control, the flue gas cloth bag dust removal system comprises a dust removal body and a control system, the dust removal body comprises a middle box body, the bottom of the middle box body is provided with a dust hopper, the top of the middle box body is provided with two injection bins, the injection bins are connected with a gas distribution box through pulse valves, and the gas distribution box is provided with a gas inlet; the inlet end of the gas distribution box is connected with external compressed air, the inlet end of the middle box body is connected with dust-containing flue gas, and the outlet end of the middle box body is connected with a chimney; the control system comprises an environment monitoring module, a data acquisition module, a data analysis module, a fault early warning module, a man-machine interaction module and an intelligent control module which are connected in sequence, man-machine interaction is achieved through the man-machine interaction module and the intelligent control module, and dust removal control is achieved. According to the invention, an automatic, modularized, high-precision and low-power-consumption bag-type dust removal system is formed, and the dust removal efficiency is improved.

The invention discloses a novel gene editing element self-cleaning recombinant vector suitable for tobacco and application thereof.The recombinant vector comprises an expression cassette of a germ cell specific expression Barnase gene, the expression cassette comprises a germ cell specific expression promoter DLL, a lethal gene Barnase and an NOS terminator, the recombinant vector is obtained by integrating the expression cassette into a tobacco editing vector, and the expression cassette is a recombinant vector with a specific expression function. A linked recombinant vector is formed with other gene editing elements, and the sequence of an expression cassette is as shown in SEQ ID No.1. After a plant cell is transformed by the gene editing recombinant vector, the gene editing element of a T0-generation plant is not influenced to play a role, Barnase protein capable of killing female and male gametes is expressed during sexual propagation, most of T0-generation seeds do not contain CRISPR editing elements, filial generation plants do not contain CRISPR editing elements any more, the efficiency of obtaining the CRISPR-free editing element is improved, and the method is suitable for large-scale popularization and application. And manpower, material resources and financial resources are greatly saved.

The invention relates to the technical field of transport rolling unloading operation, in particular to a ship unloader berthing rolling unloading system and method.The ship unloader berthing rolling unloading system comprises a rigid string protection mechanism and a rolling unloading mechanism, and the rigid string protection mechanism is arranged at the edge of a transport ship; the rolling unloading mechanism comprises a deck bridge head, a sleeper, an ashore bridge head, a slope track and a rigid gap bridge, and the deck bridge head is fixedly arranged on the transport ship and corresponds to the deck track; the sleeper is fixedly arranged on the berthing wharf, the ashore bridge head is arranged at the top, one end of the rigid gap bridge is hinged to the ashore bridge head, the other end of the rigid gap bridge is in free lap joint with the deck bridge head, one end of the slope track is located on the wharf track, and the other end of the slope track is located on the sleeper and connected with the ashore bridge head. By changing the traditional roll-roll loading mode of jacking, steering and rail falling and the conventional berthing mode of the transport ship, the effect that the ship unloader unloads the ship from the transport ship conveniently is achieved, the ship unloading risk of the ship unloader is reduced, and the working efficiency of roll unloading operation of the ship unloader is improved.

The invention relates to the technical field of automatic pressure gel, in particular to an automatic pressure gel injection process and mold for a voltage transformer. The process comprises the following steps: S1, preparing an epoxy resin mixture by adopting static mixing equipment; s2, a voltage transformer body coil is put into a mold, and the mold is heated to the set temperature and kept at the constant temperature; s3, the mold is vacuumized, then filled with SF6 gas and decompressed to normal pressure, and the mold is in an SF6 gas insulation environment; s4, epoxy resin mixed materials are automatically injected into the mold through automatic pressure gel equipment, the injection pressure ranges from 0.10 MPa to 0.15 MPa, the material injection starting speed is controlled to range from 1 kg to 2 kg / min, and when the weight of the injected materials exceeds 6 kg, the total time for full injection is controlled to range from 10 min to 12 min; s5, the epoxy resin mixed material gel curing is controlled through a mold constant-temperature automatic control system; and S6, demolding and taking out the pressure injection body, and continuing later curing. The method is simple in scheme, convenient to operate, short in gel curing time, short in production period, high in mechanical and electrical strength and small in partial discharge amount.

The invention relates to the technical field of electric power stringing construction methods, in particular to a power transmission line crossing stringing construction method. The construction method comprises the following steps that before power transmission line crossing stringing construction, the position for parking a crane is designated on a construction site, and the rotary stringing construction crossing supporting device is installed on a suspension arm of the crane; commanding the crane to extend the lazy arm to a preset height and a preset position by a commander, and ensuring that the cable is positioned between the unfolded extension arms; the lifting support is driven to rotate through the rotating mechanism, the angle of the lifting support is adjusted through the lifting mechanism, then the position of the stretching arm is adjusted, the cable is folded to the target posture, and then related construction operation can be carried out. The method is used in the stringing construction process, a traditional spanning frame erecting construction mode is replaced, the site construction progress can be effectively accelerated, manpower, financial resources and time cost are saved, occupied construction area is reduced, construction risks and potential safety hazards are greatly reduced, construction flexibility is improved, and universality is high.

The invention provides a hydrogen energy power system suitable for a magnetic suspension railway vehicle. The hydrogen energy power system comprises a hydrogen storage system, a hydrogen fuel cell system, a heat dissipation and cooling system, an air filter, a connector and an electronic control unit (ECU). The hydrogen storage system comprises a hydrogen storage control unit (HSU), the hydrogen fuel cell system comprises a power control unit (PCU), and the ECU is used for collecting and processing state information of each system and sending out a control instruction; the ECU is connected with the PCU and the HSU, and the ECU serves as a main control unit and is responsible for receiving an instruction from a vehicle or a train operator and coordinating work of the PCU and the HSU according to the current running state of the vehicle; and the ECU sends a power demand instruction to the PCU and sends a hydrogen supply instruction to the HSU so as to ensure that the fuel cell can output corresponding power according to needs. The engineering construction cost of the track in the project is reduced, the project construction time is saved, funds are saved, and the method is environment-friendly.

The present invention relates to a fast-retractable cat climbing frame, which belongs to the technical field of pet products, and includes a support member, one end of which is equipped with a top plate matching therewith, and the other end of which is equipped with a bottom plate matching therewith; a partition member fixedly mounted on the support member, and used to divide the support member into multiple parts for cats to rest; a connecting and fixing assembly, which is arranged in the support member, and one end of the connecting and fixing assembly is fixedly connected to the top plate, and the other end is fixedly connected to the bottom plate. When the present invention needs to be installed, it is only necessary to tighten the corresponding guide rope and tighten or clamp the corresponding parts, so that the entire product is assembled; the whole process is simple, fast, time-saving and labor-saving, and there will be no misplacement of product parts. At the same time, it will reduce the installation cost of the product, save money for customers, thereby improving customer satisfaction, expanding the user group, and increasing product sales.

The invention belongs to the field of bridge construction foundation construction, and particularly relates to a combined cofferdam suitable for a deep-buried bridge bearing platform foundation and a construction method. The combined cofferdam comprises a lower concrete cofferdam and an upper locking steel pipe pile cofferdam, and an air curtain structure for assisting the cofferdam in sinking is arranged in the combined cofferdam; a U-shaped groove is formed in the top of the concrete cofferdam, the bottoms of all the fore shaft steel pipe piles of the fore shaft steel pipe pile cofferdam are inserted into the U-shaped groove, and the whole combined cofferdam structure is more reasonable in stress and safe and reliable in structure. The construction method comprises the steps that a lock catch steel pipe pile cofferdam is installed on a concrete cofferdam through a crane, water is injected into an air curtain and lock opening steel pipe piles for ballasting to assist sinking, and finally after construction of a bridge bearing platform, a pier body and the like is completed, the lock opening steel pipe pile cofferdam is pulled out one by one through a vibration pile driver. According to the construction method, the installation speed is high, the installation precision is easy to control, operation is easy, the construction difficulty is effectively reduced, and the construction efficiency is improved.

The invention relates to the field of polyurethane materials, in particular to polyurethane for a doffing disc and a preparation method of the polyurethane. The polyurethane for the doffing disc is prepared from the following raw materials: long-chain polyol, diisocyanate, an alcohol chain extender, an amine chain extender, an antioxidant and a wear-resistant additive. Wherein the amine chain extender comprises polyaspartic acid ester. The DIN abrasion rate of the prepared polyurethane material is lower than 15%, the strength retention rate is larger than 80%, and the polyurethane material is particularly suitable for being used as a doffing disc in outdoor cotton picking operation.

The invention provides an omni-directional explosive shock wave pressure testing system and method, the testing system comprises a plurality of testing devices, the testing devices are distributed in a to-be-tested area and establish wireless communication with a terminal, the terminal is connected with a display, the testing devices are small in size and simple in structure, and the testing devices are convenient to use. The size, the weight and the cost of the device can be greatly reduced, field installation and operation are facilitated, operation safety is improved through wireless data transmission, a large amount of field wiring is omitted, at most 20 testing devices can be connected through a terminal, manpower and material resources are greatly saved, the networking capacity of the device is improved, simultaneous measurement and data return of multiple devices are ensured, and the testing efficiency is improved. Different distribution can be performed according to different explosive shock wave test ranges, so that a more accurate shock wave pressure distribution diagram can be obtained.

The invention belongs to the technical field of environmental monitoring, and particularly relates to a real-time marine oil spill monitoring system based on an FPGA. The system comprises an FPGA unit, and a sensor unit and a camera module which are connected with the FPGA unit. The sensor unit at least comprises a visible spectrum sensor, an ultraviolet sensor and a thermal imaging sensor; the FPGA unit performs data fusion on the monitoring data obtained by the sensor unit to obtain the state of the oil spilling area; image data acquired by the camera module are processed, the type and area of oil spilling are recognized, and oil spilling events in the ocean are monitored and recognized in real time. According to the oil spill monitoring method, visible spectrum, ultraviolet rays, thermal imaging and image data can be comprehensively utilized, the oil spill edge is recognized in real time, the oil spill area is calculated, different oil products are classified, the accuracy of oil spill monitoring is improved through data fusion and an image processing algorithm, and the real-time performance and adaptability are remarkably improved.

The invention relates to the technical field of electric power stringing construction methods, in particular to a power transmission line crossing stringing construction method. The construction method comprises the following steps that before power transmission line crossing stringing construction, the position for parking a crane is designated on a construction site, and the rotary stringing construction crossing supporting device is installed on a suspension arm of the crane; commanding the crane to extend the lazy arm to a preset height and a preset position by a commander, and ensuring that the cable is positioned between the unfolded extension arms; the lifting support is driven to rotate through the rotating mechanism, the angle of the lifting support is adjusted through the lifting mechanism, then the position of the stretching arm is adjusted, the cable is folded to the target posture, and then related construction operation can be carried out. The method is used in the stringing construction process, a traditional spanning frame erecting construction mode is replaced, the site construction progress can be effectively accelerated, manpower, financial resources and time cost are saved, occupied construction area is reduced, construction risks and potential safety hazards are greatly reduced, construction flexibility is improved, and universality is high.

The present application relates to a green and low-carbon functional inorganic rock coating artistic effect paint and a preparation method thereof, belonging to the field of coating technology. The present invention modifies the waterborne epoxy resin emulsion and introduces amino calcium carbonate and modified carboxymethyl cellulose at the same time. The multi-components work together to effectively improve the adhesion level and obtain good salt spray resistance and aging resistance.

The invention relates to the technical field of separation devices, and discloses a cyclone separator optimization system and method based on machine learning, and the system comprises a user operation module, a numerical simulation module and a deep learning module. The method comprises the steps that when a user terminal inputs cyclone separator parameters in a cloud platform, a system calls a cyclone separator parameter database; if no corresponding cyclone separator parameter exists in the cyclone separator parameter database, performing analogue simulation calculation according to the cyclone separator parameter input by a user, and establishing a flow prediction model according to a simulation result; the flow prediction model performs prediction according to the simulation result; after the prediction is finished, performing comparison according to a prediction result; and finally obtaining optimized parameters required by the parameters of the cyclone separator, and transmitting the optimized parameters to a user terminal through the cloud platform. According to the method, the separation efficiency of cyclone separators with different designs is predicted, and manpower, material resources, time, cost and the like are saved in actual production.

The invention discloses a profiling tool applied to a diesel engine piping system. The profiling tool comprises two adjusting structures, a tool platform and two adjusting structures used for effectively adjusting the rotation angle and height of a flange, and the flange needing angle and height adjustment is fixedly installed on the adjusting structures. The profile modeling tool is reasonable in overall design, simple in structure and convenient to operate, pipe fittings of various specifications can be produced through the profile modeling tool, the rotation angle and height of flanges of the pipe fittings can be effectively adjusted through the profile modeling tool according to the related requirements of the pipe fittings, the universality is good, and when the pipe fittings with different drawing requirements need to be produced, the production efficiency is improved. When a diesel engine pipe system is produced, only the profiling angle, height and opening gear of the corresponding flange need to be adjusted to the needed angle and size through the profiling tool, manpower and material resources are saved, the production precision of the pipe fitting is effectively improved, and great convenience is brought to the production work of the diesel engine pipe system.

The invention discloses a child developmental hip joint dysplasia auxiliary diagnosis system based on deep learning. The system comprises a trained instance segmentation model and a feature point positioning model. The instance segmentation model is used for segmenting double-side closed pores and ilium from the pelvis image of the child; the feature point positioning model is used for accurately positioning eight hip joint feature points from the pelvis image of the child; the diagnosis method comprises the following steps: inputting a to-be-diagnosed pelvic image of a child into an instance segmentation model, segmenting double-side closed pores and ilium, and obtaining the maximum transverse diameter and area of the closed pores and ilium and the rotation index and area ratio of the closed pores and ilium so as to judge the symmetry of the pelvic image; if the pelvis image is judged to be symmetrical, the quality control standard is met; and after the quality control process is finished, the images or all the images meeting the quality control standard are selected to be sent to a feature point positioning model for feature point detection and IHDI classification. According to the invention, rapid and accurate image quality control and grading diagnosis of children's developmental dysplasia of hip joints can be realized.

The invention discloses an attitude stabilizing device for a parachute landing stage of an electric vertical take-off and landing aircraft and an analysis method. The attitude stabilizing device mainly comprises a shell, a guide plate, a fixing bolt, a friction adjusting clamp, a friction plate and a delay rope cutter. The device can save the time for pulling out the canopy at the initial stage of opening the parachute; and in the stable landing stage, on the premise that the appearance of the canopy is not affected, the swing angles of the parachute and the electric vertical take-off and landing aircraft are effectively reduced, the attitude stability is improved, it is guaranteed that the electric vertical take-off and landing aircraft touches the ground in a safe attitude, and the aircraft body is prevented from overturning. The attitude stability performance numerical analysis method provided by the invention not only provides a parameter design basis for an attitude stabilization device, but also evaluates the use effect after the device is adopted, and meanwhile, solves the technical difficulty of real-time adjustment of the length of a lifting belt of a simulation group.

The invention relates to the technical field of functional food production through microbial fermentation, in particular to a herba epimedii enzymolysis probiotic fermentation refined extract and a preparation method thereof.The preparation method comprises the following steps that herba epimedii and beta-cyclodextrin are mixed, an obtained mixed solution is subjected to enzymolysis treatment through pectinase, cellulase and glycosidase and then serves as a solid-state fermentation substrate, and the herba epimedii enzymolysis probiotic fermentation refined extract is obtained; adding mixed bacteria of lactobacillus casei, bifidobacterium lactis and lactobacillus gasseri, performing solid-state fermentation, and performing vacuum freeze drying to obtain a herba epimedii probiotic fermentation refined extract; the herba epimedii probiotic fermentation refined extract is prepared by adopting an enzymolysis fermentation method in cooperation with a beta-cyclodextrin inclusion technology, the extraction efficiency, the solubility, the biological activity, the stability and other performance of effective components in herba epimedii are improved, the preparation method is simple, and operation is easy and convenient; the used materials are edible, green and safe; the process saves energy consumption, has good environmental benefits, greatly saves manpower and material resources, and can be applied to industrial large-scale production.