13956results about How to "Easy to use" patented technology

The invention discloses a method and device for automatically grabbing detonators. A device for grabbing the detonator is arranged on a middle blocking production line or an opening closing production line of the detonator; a group of expansion heads are arranged at the bottom of the device; the opening of the detonator is expanded and clamped by the expansion heads through the lifting of a cylinder control device and the deformation of the expansion heads to realize the purpose that the detonator is automatically taken out from a detonator filling mould. In the invention, the expansion heads controlled by machinery are adopted, and the opening of the detonator is expanded and clamped after the expansion heads are deformed, so that the detonator is automatically taken out from the detonator filling mould. A plurality of expansion heads are arranged at the same device, thus a plurality of detonators can be taken out by one device at one time, thereby greatly improving the production efficiency. The method provided by the invention is simple; and the adopted device is easy to manufacture, and has a good using effect.

The invention discloses a pole climbing robot for a wind power tower pole, which is characterized in that the robot mainly comprises a robot body, 4-8 pole climbing mechanisms, a snake-shaped swing arm and a movable studio, wherein the snake-shaped swing arm and the movable studio are mounted on one side of the robot body; the robot body is an annular body formed by combining two semicircular cambered bodies or three equal cambered bodies; the diameter of an internal ring of the circular body is matched with the diameter of the wind power tower pole; the pole climbing mechanisms mainly comprise upper foot wheels, lower foot wheels, connecting arms, driving gears, thrust screw rods, nut gears and supporting seats; the upper foot wheels are connected with the lower foot wheels by the connecting arms through wheel shafts; the connecting arms are connected with the thrust screw rods by connecting pin shafts on the connecting arms, and form movable hinges; the 4-8 pole climbing mechanisms are distributed in the circular robot body uniformly; the snake-shaped swing arm consists of three swing arm parts, namely a large arm, a middle arm and a small arm; and the movable studio comprises two paralleled linear guide rails, a walk driving device and an operation room.

The invention relates to an anti-ant large-core-number fiber ribbon cable comprising a cable core and an outer sheath. The cable core includes loose tubes; and fiber ribbons are sleeved inside the loose tubes. The outer sheath is an outer nylon sheath; and a non-metallic reinforcement layer is arranged between the outer sheath and the cable core. According to the anti-ant large-core-number fiber ribbon cable provided by the invention, with the outer nylon sheath, ants can not bite the sheath, so that the damages on the optical cable by ant biting in a pipe at an area with a serious anti problem are prevented, the normal state of the cable is ensured, and the application region of the cable is extended. The cable based on a simple and reasonable structure has advantages of small cable diameter, high fiber density, large fiber capacity, and low duty ratio and can be laid in a pipe conveniently; and the bending performance is good. During branched connection, 4 to 24 fibers can be melted once, so that the construction time is saved and the manpower cost is lowered, and the construction efficiency is improved. On the basis of the full drying type dielectric structure, branched connection is realized conveniently and usage becomes convenient.

The invention discloses a steel pipe polishing equipment, which comprises a steel pipe polishing equipment body. A main valve of a polishing motor is arranged in the main body of the steel pipe polishing equipment; a polishing handle is arranged on the main valve of the polishing motor; The valve is provided with a rotating roller; the front end of the rotating roller is provided with polishing bristles; one side of the rotating roller is provided with an outer throwing roller; a clamping spring is arranged between the outer throwing roller and the rotating roller; The outer throwing roller is provided with an outer throwing brush; a symmetrical magnet is arranged between the outer throwing brush and the polishing bristles; a polishing wheel is arranged on the outer throwing brush and the polishing bristles; the polishing The grinding wheels are arranged in a figure-eight shape. Its structure is simple, easy to use, and easy to operate. It can realize the polishing of the outer surface and the inner wall. The polishing is fast and uniform, with high efficiency and convenient use.

The invention provides a method for displaying a hotspot keyword. The method comprises the steps of obtaining the hotspot keyword, generating a display body used for displaying the hotspot keyword, implanting the hotspot keyword into the display body, and controlling the display body with the implanted keyword to move towards the bottom end of a rotated web page in a gravity falling mode after the web page where the display body with the implanted keyword is located is rotated. The invention further provides a device and a browser for displaying the hotspot keyword. The display body is generated by obtaining the hotspot keyword, the hotspot keyword is implanted into the display body, and after the web page where the display body with the implanted keyword is rotated, the display body with the implanted keyword moves towards the bottom end of the rotated web page in the gravity falling mode. Therefore, dynamic and stereoscopic display of the hotspot keyword is achieved, the display effect is improved, the visual sense is enriched, and the interaction performance is high.

The invention discloses a production method of distiller's grain fermentation liquid fertilizer specially applied to roxburgh rose. The distiller's grain fermentation liquid fertilizer is prepared bythe step of evenly mixing 50 to 80 parts of distiller's grain fermentation extracting solution, 0.5 to 1 part of microelement, 5 to 10 parts of seaweed meal, 5 to 10 parts of natural active organism,2 to 5 parts of potassium bicarbonate, 2 to 5 parts of natural active organism and 2 to 5 parts of natural surface active agent. A preparation method of the distiller's grain fermentation extracting solution comprises the steps: evenly stirring 50 to 80 parts of distiller's grain, 50 to 150 parts of rice washing water, 1 to 2 parts of EM microflora fermentation liquid and 0.5 to 1 part of sugar, performing composting fermentation at the room temperature to obtain a distiller's grain fermentation material, stirring and extracting through a sodium carbonate water solution, filtering and performing evaporation and condensation on obtained filtrate until the density is 1.1 to 1.2 to obtain distiller's grain fermentation extracting solution. The distiller's grain fermentation liquid fertilizerdisclosed by the invention has a good use effect, meanwhile can effectively prevent pest and disease damage to the roxburgh rose and is high-efficiency environment-friendly liquid fertilizer.

A natural gas filling device reliable in sealing is disclosed. The device is characterized in that the device comprises a liquid filling gun, a liquid receiving component matched with the liquid filling gun and used for filling a gas cylinder with liquid, and a gas returning component communicated with the gas outlet of the gas cylinder; the liquid filling gun is provided with a first outer shell, a first rotating fastener disposed in the first outer shell and connected to the first outer shell and the inner wall of which is provided with a symmetrical spiral groove, a first valve body between the first rotating fastener and the first shell, and a first valve core disposed in the first valve body and containing a liquid inlet and a liquid outlet; and the liquid receiving component is provided with a first shell, wherein the head of the first shell extends into the first rotating fastener and is in sealing match with the tail part of the first valve body, and the periphery of the first shell is provided with a first pivot pin engaged with the spiral groove in the first rotating fastener. The device is convenient in maintenance, replacement and operation of quick-wear parts and convenient to use. The device can be used for other low-temperature liquid media besides LNG and is simple in structure, low in cost, convenient in operation and reliable in sealing.

The invention provides a quantitative double-layer pill case. The quantitative double-layer pill case comprises a case body, wherein an isolating layer used for dividing the case body into different cavities at the upper and lower parts is designed at the middle of the case body; pill pick-up modules which closely cling to the upper and lower surfaces of the isolating layer are designed in the case body; each pill pick-up module takes the shape of a disc, and is rotatably assembled on the side wall of the case body through a corresponding rotating shaft; a pill tank which corresponds to the pill shape is designed on the other side, far away from the isolating layer, of each pill pick-up module, and positioned at the inner part of the case body; and the circumferential outer wall of each pill pick-up module is assembled with the outer wall of the case body in a sliding-seal manner. According to the quantitative double-layer pill case, the interior and the exterior of the case body are only in short-time contact with each other through the corresponding pill tank during the rotation of each pill pick-up module, so that the effect on pills in the pill case during a pill pick-up process is extremely little, the pill pick-up quantity is more accurate, extra pills taken in the pill pick-up process need not be returned to the pill case, and the use is more convenient and sanitary.

The invention provides a lightweight large model operation method based on end-side deployment. The lightweight large model operation method comprises the following steps: acquiring equipment operation data and storing a model file in a mixed precision format according to quantization precision supported by terminal equipment; determining a mixing precision quantification strategy and carrying out strategy analysis on the equipment operation data; a Key-Value cache file obtained through model reasoning in the historical dialogue is reserved; calculating a semantic embedding vector of the second user request, calculating a cosine similarity between the semantic embedding vector and the first V vector, and judging whether the second user request has a similar intention or not according to a calculation result; and if yes, performing incremental reasoning on the second user request by multiplexing the Key-Value cache file. By monitoring the state of the terminal equipment in real time, dynamically adjusting the quantization level, multiplexing the cache data of the semantic related requests and merging batch request reasoning, the effects of balancing the energy consumption and performance of the terminal equipment, reducing repeated calculation and improving the service time of the equipment and the user experience are achieved.

The utility model relates to the technical field of coated asphalt production, in particular to a reaction kettle for heating high-soft-point coated asphalt, which comprises a kettle cover body, a reaction kettle body, a middle stirring shaft and an auxiliary stirring frame, the middle stirring shaft and the auxiliary stirring frame are mounted in the reaction kettle body, a planetary gear driving device is arranged at the upper end of the kettle cover body, and a driving motor is arranged at the upper end of the planetary gear driving device. And the driving motor is connected with the middle stirring shaft and can drive the middle stirring shaft to rotate. The stirring device is reasonable and compact in structure and convenient to use, the auxiliary stirring frame is driven by the planetary gear driving device to rotate, so that asphalt adhered to the side wall is effectively cleaned by the side scraping plate, and the effect of stirring mixed materials can be achieved; the auxiliary frame stirring blades on the auxiliary stirring frame and the middle shaft stirring blades of the middle stirring shaft are alternately distributed and form differential rotation, so that the stirring effect is effectively improved, materials at the bottom of the reaction kettle body are fully stirred through the lower scraping plate, the materials are prevented from sinking to the bottom, and the reaction kettle has the characteristics of high stirring efficiency, good stirring effect, simplicity, convenience, reliability and high efficiency.

The utility model provides an anchor rod for mining engineering, which relates to the technical field of anchor rods and comprises an anchor rod body, a cushion block and a tray are sleeved on the surface of the anchor rod body, a nut is in threaded connection with the arc surface of the anchor rod body, and a reinforcing device is arranged on the surface of the tray. The reinforcing device forms certain connection on adjacent anchor rod bodies installed on the surface of a rock mass through adjusting plates, the reinforcing device comprises a connecting plate, the two sides of the surface of the connecting plate are slidably connected with the adjusting plates correspondingly, and a plurality of evenly-distributed clamping grooves are formed in the surface of the connecting plate; an installation shaft is rotatably arranged on the surface of one side of the adjusting plate, the installation shaft is fixedly connected with the surfaces of the trays, and rotating shafts are installed on the two sides of the surface of the adjusting plate respectively. The use effect and functionality of the anchor rod are improved, and the application range of the anchor rod is widened.

The invention discloses an assembly type power distribution cabinet with an adjustable internal space, and belongs to the technical field of power distribution cabinets, the assembly type power distribution cabinet with the adjustable internal space comprises edge cabinet bodies installed at the top and the bottom in a combined manner, and a middle cabinet body is installed between the edge cabinet bodies at the top and the bottom; a rectangular frame body for assisting positioning installation is arranged between the middle cabinet body and the edge cabinet bodies, sealing frames are installed on the upper end face and the lower end face of the rectangular frame body, embedded grooves are formed in the inner walls of the ends, close to the rectangular frame body, of the middle cabinet body and the edge cabinet bodies, the sealing frames are installed in the embedded grooves in a clamped mode, and floating type sub-frame bodies are installed outside the sealing frames in a sliding mode; the floating sub-frame bodies are supported and limited on the mounting surfaces of the edge cabinet bodies and the middle cabinet body; according to the power distribution cabinet, the internal space can be flexibly adjusted according to use requirements, the inner wall of the cabinet body can be supported and corrected through the right-angle supporter, the straightness of the mounting surface of the cabinet body is kept, the stress distribution is uniform after the power distribution cabinet is assembled, and the power distribution cabinet can be stably used for a long time.

The invention belongs to the technical field of high-speed rotary tables, and discloses a high-stability high-speed rotary table for a milling machine and an operation method thereof.The high-stability high-speed rotary table comprises a rotary table top disc and a rotary table base, the rotary table base is located below the rotary table top disc, and a sleeve hole and a first groove are formed in the top face of the rotary table top disc. The upper portions of the adjusting assemblies which are in relative spiral sleeve connection are made to independently move upwards, the multiple clamping assemblies are driven to move upwards, in cooperation with forming of first grooves, the first clamping rods for actually clamping a workpiece at the top of the rotary table top disc can be accurately adjusted up and down, and therefore when the workpiece is actually clamped, according to the height condition of the top machining end of the workpiece, the machining efficiency is improved. The actual clamping position is adjusted, so that the workpiece is stabilized at the gravity center distribution position of the workpiece during clamping and fixing, better stability is achieved when the workpiece is matched with high-speed rotation and external stress machining under clamping, the application range of workpiece clamping rotation is widened, and meanwhile the stability of a high-machining workpiece under actual high-speed rotation is further improved.

The invention provides a traceability analysis method and device, a storage medium and electronic equipment, and the method is applied to the technical field of computers, and comprises the steps: determining a target traceability type corresponding to network data to be traced, and carrying out the multi-dimensional traceability processing based on a traceability rule corresponding to the target traceability type and a multi-dimensional underlying database, and determining associated equipment information corresponding to the to-be-traced network data, performing traceability analysis processing based on the associated equipment information, and generating a traceability result report corresponding to the to-be-traced network data. According to the method, the associated equipment information can be determined through the traceability type in combination with the multi-dimensional underlying database, the response efficiency and accuracy of network data traceability are improved, and the result report is generated so that related personnel can check and use the traceability result conveniently.

The invention relates to a traditional Chinese medicine composition with functions of tonifying qi and nourishing blood for livestock. The traditional Chinese medicine composition comprises the following components in parts by weight: 10-30 parts of astragalus membranaceus, 10-40 parts of spina gleditsiae, 10-20 parts of angelica sinensis, 10-20 parts of codonopsis pilosula, 10-30 parts of uniflower swisscentaury root, 10-30 parts of ligusticum wallichii, 10-20 parts of cowherb seed, 10-20 parts of fruit of liquidambar formosana hance and 1-10 parts of iron sucrose. The traditional Chinese medicine composition is scientific and reasonable in component, free of toxic and side effects and medicine residue, convenient to take and low in cost, has the functions of tonifying qi and nourishing blood, stimulating the menstrual flow and prompting lactation, and is capable of effectively treating diseases of postpartum hypogalactia, breast milk stoppage and the like which are normal in livestock.

The utility model belongs to the technical field of energy storage equipment, and discloses an energy storage device, which comprises an energy storage host, a walking wheel and a paddle assembly, the energy storage host is provided with a discharge port, the walking wheel has a retraction state and an extension state, in the retraction state, the walking wheel partially retracts into the energy storage host, in the extension state, the walking wheel extends out of the energy storage host, and in the extension state, the paddle assembly extends out of the energy storage host. The paddle assembly is arranged in the energy storage host and can drive the energy storage host to walk, the paddle assembly has a folded state and an unfolded state, in the folded state, the paddle assembly is arranged in the extending direction of the side wall of the energy storage host, and in the unfolded state, the paddle assembly is unfolded relative to the energy storage host and can drive the energy storage device to fly. The energy storage device is provided with the retractable walking wheels and the foldable paddle assemblies, the land walking and low-altitude flying functions are achieved, meanwhile, the storage size is small, and a user can conveniently use the energy storage device.

The utility model belongs to the technical field of power distribution, and particularly relates to a power distribution device, a battery device and a power utilization device, the power distribution device comprises a first circuit board, a second circuit board and a flexible electric connector, the first circuit board comprises a first board body and a first electric connector arranged on the first board body, and the first board body is electrically connected with the first electric connector; the second circuit board comprises a second board body and a second electric connecting piece arranged on the second board body, and the second board body is electrically connected with the second electric connecting piece; the first circuit board is a battery control board, and the second circuit board is a battery monomer sampling circuit board; the two ends of the flexible electric connecting piece are electrically connected with the first electric connecting piece and the second electric connecting piece respectively, and bending deformation of the flexible electric connecting piece can make up for installation errors of the first circuit board, the second circuit board, the first electric connecting piece or the second electric connecting piece. Therefore, the flexible electric connecting piece can be electrically connected with the first electric connecting piece and the second electric connecting piece stably and reliably, and the use reliability of the power distribution device can be improved.

The invention discloses an immersed liquid cooling charging system and a control method thereof, the immersed liquid cooling charging system comprises a cabinet, a plurality of power modules, a radiator, a circulation pipeline, a circulation pump, a valve and a cooling fan, and the cabinet is provided with a top plate and a bottom plate which are oppositely arranged in the height direction of the cabinet; the plurality of power modules are arranged in the cabinet; the radiator is arranged in the cabinet and is located between the power module and the top plate; the circulation pipeline is communicated with the radiator and each power module; the circulating pump is arranged on the circulating pipeline; and the cooling fan is arranged on the top plate. According to the immersed liquid cooling charging system provided by the invention, the power module is directly communicated with the radiator through the circulating pipeline, a scheme that a cold plate is in contact with an internal device of the power module is not needed, a cold plate flow channel does not need to be designed and arranged, and the use is more convenient; meanwhile, all heating devices and circuits in the power module are soaked in insulation, so that heat dissipation is more direct and effective; and oxygen is isolated from being in contact with a heating device and a circuit, so that the safety is higher.

The invention provides a universal method for realizing multi-condition and search based on LDAP, and belongs to the technical field of data retrieval of directory service and identity management. A user defines query conditions including attributes, values and logical relationships through a configuration file, a visual interface or an interface; the system parses the query condition model into a query condition model supporting nested combination of AND, OR and NOT by using a parser, and performs legality check and error prompt; and then a generator dynamically generates a filtering statement conforming to the LDAP grammar specification according to the model, and query is executed through an LDAP client. In order to improve the performance, common condition caching and high-frequency statement pre-compiling optimization are introduced, and an asynchronous query mode is supported. And the query result is returned in the form of structured data, and is matched with a display interface to support screening, sorting and exporting, so that the flexibility and maintainability of multi-condition query are improved.

The invention discloses a multifunctional health device which comprises a main machine, a turning cover is arranged at the top end of the main machine, a liquid crystal display screen and a touch key are arranged on the inner side of the turning cover, three output ports are formed in the outer side of the main machine, and the three output ports are used for being connected with a physiotherapy cushion, a foot physiotherapy device and an electric heating moxibustion device respectively. A control unit is arranged in the main machine, the input end of the control unit is electrically connected with a power supply, the output end of the control unit is electrically connected with a low-frequency control module, a high-frequency control module and an output module, the output ends of the low-frequency control module and the high-frequency control module are electrically connected with an output switcher, the output switcher is electrically connected with the input end of the output module, and the output end of the output module is electrically connected with a physiotherapy cushion, the foot physiotherapy device and the electric heating moxibustion device. According to the multifunctional health device with the design, one main machine can be connected with the physiotherapy cushion, the foot physiotherapy device and the electric heating moxibustion device at the same time, the cost is saved, and the use is convenient.

The quantitative pill taking bottle cap comprises a pill quantifying layer, a pill storage layer and a bottle cap layer, a connecting structure used for being connected with a bottle opening is arranged on the inner wall of the bottle cap layer, the pill storage layer and the bottle cap layer can be connected in a relatively rotating mode, the pill quantifying layer and the pill storage layer are movably connected, and the pill quantifying layer and the pill storage layer are arranged on the bottle cap layer. A pill storage cavity is formed between the pill quantifying layer and the pill storage layer, the quantitative pill taking bottle cap is inverted, the pill storage layer is twisted, pills fall into the opened pill storage cavity, and the pills with the pill taking number limited artificially are taken out through the pill quantifying layer. After medicine taking is completed, the pill storage layer is reversely twisted to close the medicine storage cavity; in the pill taking process, the pill taking number can be controlled at will by changing the position of a number adjusting and controlling plate in the pill storage layer, and it can be guaranteed that pills are taken successfully and accurately at a time through the structural design of a limiting hole base and a pill dislocation preventing table in the pill quantifying layer.

The utility model discloses a magnetic style shower head support and shower head subassembly, shower head support includes base and with base spherical hinge joint's movable seat, the base is equipped with the positioning structure that is used for the positioning installation shower head support, the movable seat is equipped with the magnetic structure. The magnetic attraction structure comprises a first magnetic attraction piece formed on the movable base and an annular body located on the periphery of the first magnetic attraction piece and arranged in a protruding mode, and a clamping ring is formed at the end of the annular body. An annular groove matched with the annular body during magnetic attraction and a second magnetic attraction piece located in the center of the annular groove and correspondingly matched with the first magnetic attraction piece are formed on the back face of the shower head. And a locking seat capable of moving and displacing in the radial direction is assembled on the annular groove. Compared with the prior art, the magnetic type shower head support and the shower head assembly are optimized in the aspects of using and adjusting performance, user experience is greatly improved, and a user can feel usability and senility of products at the same time.

This invention discloses a positioning method, chip, and robot for a mobile printing robot, comprising: the mobile printing robot starting to work on paper, acquiring an image of the current walking surface through a camera, and then determining a first boundary of the paper based on the acquired image of the current walking surface; the mobile printing robot determining a second boundary of the paper based on the first boundary, and then determining an initial printing position based on the first and second boundaries of the paper. The mobile printing robot can independently acquire the paper boundaries for positioning, without the need for additional positioning tools, making it convenient to use and reducing the overall cost of the machine.

The utility model discloses a round rubber part flash cutting device which comprises a workbench, a fixing mechanism is arranged above the workbench, the fixing mechanism comprises a shell, and the fixing mechanism is used for fixing a round rubber part; a rotating mechanism is arranged below the shell, and the rotating mechanism is used for rotating the shell; a moving block is arranged at the position, corresponding to the shell, above the workbench, a connecting rod is connected to the side, close to the shell, of the moving block, and a cutter is connected to the lower portion of the end, close to the shell, of the connecting rod; after cutting is completed, a first motor and a third motor rotate reversely, a cutting knife and a positioning block are made to be far away from the circular rubber part, at the moment, the circular rubber part is taken down from the containing table, then the flash of the next circular rubber part can be cut, and after the flash of the circular rubber part is cut, the flatness of the circular rubber part can be guaranteed; and the use is convenient, and the working efficiency can be improved.

The invention relates to the technical field of biological medicines, in particular to a soluble skin-adhering microneedle for delivering an inactivated enterovirus vaccine as well as a preparation method and application of the soluble skin-adhering microneedle. Sodium hyaluronate is adopted as a film forming material to wrap an enterovirus 71 type (EV71)-coxsackie virus A16 (CA16) type bivalent inactivated vaccine antigen, and a needle body layer of the soluble microneedle is formed; the substrate layer is prepared from a pullulan material, so that the microneedle patch with a stable overall structure is formed. The technology provided by the invention is completed in a clean environment, and the vaccine patch which is qualified through sterility detection is obtained. The soluble microneedle disclosed by the invention has good antigen stability under the condition of 2-8 DEG C. In animal experiments, the microneedle is attached to the skin surface of a mouse for skin-adhering immunization, a strong immune response reaction can be induced, good immunogenicity is shown, and a novel, safe and effective vaccine delivery way is provided for prevention and control of the infantile hand-foot-and-mouth disease.

A pet body fat rate measuring system disclosed by the present application comprises a body fat scale, a host and a body fat rate calculation module, the body fat scale is provided with a pet three-dimensional measuring device, a bioelectrical impedance measuring device and a weight measuring device, and the pet three-dimensional measuring device comprises a body width measuring scale, a body length measuring scale and a shoulder height measuring scale which are arranged in a relatively sliding manner. A capacitive grating displacement measuring device is formed; the body fat rate calculation module is provided with a pet body fat rate calculation model, the model is constructed through multiple groups of body shape data, electrical impedance data and body fat rate data of pets of different varieties, and the body fat rate calculation module obtains feature data, body shape data and electrical impedance data of the current pet; and calculating the body fat rate of the current pet by using the pet body fat rate calculation model. According to the utility model, the body fat scale is utilized to automatically measure and obtain the body shape data and the electrical impedance data of the pet, then the feature data of the pet and the pet body fat rate calculation model are combined to calculate and obtain the current body fat rate of the pet, the use is convenient, and the accuracy is high.

The invention relates to an oxygen evolution catalyst for hydrogen production through electrolysis of proton exchange membrane water, a membrane electrode and a preparation method of the membrane electrode, and the oxygen evolution catalyst is iridium oxide in a nanoparticle form and contains 2-2.5% of crystal water; the preparation method of the catalyst comprises the following steps: carrying out ultrasonic treatment on an iridium salt solution, mixing the iridium salt solution with magnesium sulfate and water, carrying out ultrasonic treatment, volatilizing a solvent, drying, carrying out ball milling to obtain powder, carrying out high-temperature calcination, dissolving with dilute acid, carrying out suction filtration with water and ethanol until the conductivity is less than 10 [mu] s / cm, carrying out vacuum drying to remove moisture, and grinding to obtain the catalyst. The membrane electrode comprises the catalyst powder prepared by the method and an anode catalyst layer formed by perfluorinated sulfonic acid resin; and the cathode catalyst layer is formed by Pt / C and perfluorosulfonic acid resin. The oxygen evolution catalyst provided by the invention has high activity and high stability, magnesium sulfate is adopted in the preparation method, and the oxygen evolution catalyst has the advantages of simple operation, low cost and the like.

The invention discloses a multi-modal behavior data processing system, which comprises a data acquisition module, a feature extraction layer, a dynamic attention weight layer, a multi-modal fusion layer and a downstream task decision-making layer, the data acquisition module guides human-computer interaction through an international neurological and mental interview tool matched with a DSM-5 standard and acquires audio and video stream data; the feature extraction layer extracts a video feature vector (including facial action unit activation intensity and the like), an audio feature vector (including Mel frequency cepstrum coefficient and the like) and a text feature vector (generated by a deep language model after automatic speech recognition transcription) in parallel; the dynamic attention weight layer is combined with data quality, symptomatic priori knowledge and cross-modal correlation to generate a dynamic fusion weight; weighting, splicing and dimensionality reduction are carried out on the multi-modal fusion layer to obtain a fusion feature vector; and the downstream task decision-making layer completes evaluation and generates a multi-modal behavioral index evaluation report. The system is deployed in a non-intrusive manner, the risk is controllable, and the evaluation robustness and accuracy can be improved.

The utility model provides a self-propelled sunflower harvester, which belongs to the technical field of agricultural machinery and structurally comprises a self-propelled vehicle machine and a frame, a header is arranged at the front end of the frame, and a primary conveyor and a secondary conveyor are communicated with the rear of the header. The rear part of the secondary conveyor is communicated with a thresher; a screening mechanism is arranged below the thresher, and the screening mechanism is composed of a first-stage vibrating screen which is composed of a swinging fish scale screen and rushes backwards, and a second-stage vibrating screen which is composed of a swinging stepped dense mesh screen and rushes forwards; the screening mechanism communicates with the conveying and lifting mechanism. The conveying and lifting mechanism comprises a transverse auger and a bucket elevator. And the conveying and lifting mechanism is connected with the grain collecting hopper. The sunflower seed and sunflower disc separating device can achieve good separation of sunflower seeds and sunflower discs, the sunflower seeds and the sunflower discs are respectively conveyed in two paths during threshing, and simple and efficient threshing separation can be achieved. The threshing process is automatically completed, manpower and material resources are saved, and good harvesting and harvesting effects are achieved.