48results about How to "Resolution Granularity" patented technology

The invention belongs to the field of environmental protection, and in particular relates to a sludge treatment process. The sludge treatment process comprises the following steps: 1) impurity removal: use multi-stage grille to filter out the garbage in the sludge; 2) pretreatment: utilize the three-stage sludge settling tank to pretreat the sludge to obtain the first, second, and The sludge in the three-stage sludge settling tank, the sludge slurry and the supernatant after being settled in the three-stage sludge settling tank; 3) solidification treatment: respectively adopt mixing solidification and dehydration solidification methods for the first, second, and third-stage sludge sedimentation The silt and silt slurry in the pond are dehydrated and solidified to obtain silt-solidified soils A and B; 4) stacking and aging: transport the silt-solidified soils A and B to a temporary storage yard and age them for 3 to 7 days to complete the treatment. The sludge treatment process of the present invention can simultaneously process particles and sludge with high viscosity and low water content, as well as sludge slurry with fine particles, organic matter and high water content, and is especially suitable for river courses with complex components, wide particle distribution, and large water content differences silt.

The invention relates to a method for preparing nepheline syenite powder. The method comprises the following steps of: elutriating and washing raw materials; smashing ores; performing graded screening; performing ball milling and fine crushing; removing impurities and filtering; and dewatering and drying, wherein the impurity-removing and filtering step comprises a flotation procedure for removing mica in the nepheline syenite. A two-stage closed-loop wet grinding process, a flotation process and a magnetic separation and impurity removing process are adopted by the method, so that impuritiessuch as the mica and the like can be removed basically and a contradiction between purification and super small product particle size is solved. Material smashing and grinding are performed by using a closed-loop system, so that power consumption is lowered to the maximum extent and the reasonable distribution of the product particle size is ensured simultaneously. A new high-purity nepheline syenite material which hardly contains any mica impurity and is prepared by the method has TiO2 content of lower than 0.01 percent and Fe2O3 content of lower than 0.10 percent and meets the requirements of functional ceramics and structural ceramics.

The invention discloses a mirror network traffic control protocol based on software definition in a virtual network environment. The protocol is applicable to a functionally decoupled and distributedly deployed mirror traffic collection, mirror traffic distribution and mirror traffic control system structure. A mirror traffic collector node/virtual machine is deployed in a business network environment of a user and has a main function of capturing mirror traffic in a virtual environment and carrying out forwarding according to purposes appointed by the protocol. A mirror traffic distributor isdeployed in a non-business network environment, so influences of network loads on normal network communication of the business network environment of the user do not need to be taken into consideration. The mirror traffic distributor has the main function of copying and distributing traffic according to a multi-purpose traffic analysis device appointed by the protocol. A mirror traffic central controller uniformly controls forwarding logic of the whole mirror network traffic and provides a software defined interface.

The invention belongs to an electric power data processing technology, and relates to an electric charge notification and customer appeal collection classification method and an electric charge notification and customer appeal collection classification system based on an NLP technology, and a storage medium. The electric charge notification and customer appeal collection classification method comprises the steps of: sorting a classification knowledge graph, establishing a classification framework meeting actual demands, carrying out classification and marking of electric charge customer service work orders manually, and extracting a classification rule through iterative operation; carrying out text cleaning on the electric charge customer service work orders to be classified; constructinga professional lexicon to perform text word segmentation on the cleaned electric charge customer service work orders; using a TF-IDF algorithm to represent text vectors of the electric charge customerservice work orders; screening effective features of the text vectors by adopting an information gain method; and adopting an SVM support vector machine algorithm to classify the work orders. According to the electric charge notification and customer appeal collection classification method and the electric charge notification and customer appeal collection classification system, the complaint content can be subjected to precise word segmentation, the optimal classification of the text is calculated, the automatic classification of the customer complaint content in customer service work ordersof customer service electric charge types is realized, and the problems that the granularity of manual classification is not fine enough, the resource consumption is excessive, the classification speed is lagged and the like are solved.

The invention aims to provide a refractory iron ore fines grading combined processing method which is simple, high-efficiency, low in grading cost and high in comprehensive metal recovery rate. A mechanical vibration screen and a spiral classifier are combined for size grading, a method of combining strong magnetic separation and magnetic roasting-low intensity magnetic separation is adopted for processing refractory iron ore with the particle size of 0-15mm, the difficult problems of difficulty in grading particle sizes of a fine-grained iron-containing material and rotary kiln accretion are solved, the particle size range for magnetic roasting of the refractory iron ore is widened, and the resource utilization rate of the refractory iron ore is improved.

The invention discloses a novel seal box type scraper conveyor and belongs to the technical field of conveyors. By means of the novel seal box type scraper conveyor, the high-viscosity high-temperature powder-shaped material is avoided from hardening, bonding and dust in conveying. The novel seal box type scraper conveyor comprises a headstock, a head wheel component, a tail frame, a tail wheel component, a scraper chain, a regulating chain, a single-layer transportation intermediate tank, support legs, connecting bolts, a drive device, a single-layer transportation intermediate tank with a hole, and a flat plate gate; the head wheel component is connected with a left rack and a right rack through connecting bolts, after a closing plate A and a closing plate B are placed in side rack slots, each of a left press beam and a right press beam is fixed through connecting bolts; a left climb passage, a right climb passage and a transitional arc plate are fixed at the arc-shaped transition position of the inner side of a transition rack through countersunk bolts; a cover board and a rubber sealing strip are fixed with the side racks and the transition rack through connecting bolts. The novel seal box type scraper conveyor is mainly used for conveyors.

The present invention discloses a cyclone mud-sand separation apparatus. According to the cyclone mud-sand separation apparatus, a mud-sand baffle, a support plate and a fixed frame are sequentially in a tank from bottom to top, the internal of the tank is sequentially divided into four communicated zones such as a mud-sand separation zone, a coagulation zone, a clear water separation zone and an overflow zone from bottom to top with the mud-sand baffle, the support plate and the fixed frame, a stirring shaft is arranged in the tank, the side wall of the mud-sand separation zone is provided with a water inlet pipe, the bottom portion is provided with a mud-sand effluent pipe, a hollow glass ball injecting pipe is arranged on the coagulation zone, the internal of the clear water collecting cover and the clear water outlet pipe arranged in the clear water separation zone are communicated, discharge collecting is performed from the clear water outlet pipe, a coagulation effluent pipe is arranged on the overflow zone, water containing mud-sand and hollow glass ball with the attached mud-sand are discharged from the coagulation effluent pipe so as to complete the mud-sand separation, and the hollow glass ball and the fine mud-sand particles can be combined to form the mud-sand-glass ball conjugate with the density less than the water density so as to achieve the removal of the small particle mud-sand, such that application of the Yellow River water as the irrigation water source and the wide range generalization can be achieved.

The invention discloses an industrial production method for preparing superfine high-purity alpha-alumina. The industrial production method comprises the following steps that: (1) boehmite is dispersed in unitary organic acid; (2) an obtained dispersing agent of the boehmite is filtered; (3) the dispersing agent of the boehmite is subjected to solid-liquid separation, washing and redispersion; (4) the dispersing agent with impurities being removed is subjected to spray drying; and (5) the dried boehmite obtained in the step (4) is subjected to high-temperature calcination. According to the invention, the purity and the grain size of the produced alpha-alumina are well guaranteed, and the purity and the grain size of a final product can reach the using requirements in a high-end electronic industry.

The embodiment of the invention provides a system background menu button configuration method and device. The method comprises the steps of obtaining a request of a user for creating menu items, wherein the menu item request comprises a new menu item; depending on new menu items, configuring menu buttons corresponding to the new menu items, obtaining menu items and menu buttons according to the new menu items; determining menu item permissions and menu button permissions respectively corresponding to the new menu items and the menu buttons; and distributing the menu item permission and the menu button permission to corresponding users. Therefore, the menu and the menu button corresponding to the function authority owned by the user can be displayed to the user when the user logs in the system background, the problems of visual configuration of the background menu and the button of the existing system and finer-grained distribution according to the authority can be solved, and the configuration flexibility of the background menu and the button of the system of an operator is improved.

The invention discloses a business flow monitoring method and device. The method comprises the following steps of: building one or a plurality of monitoring objects; setting monitoring ranges corresponding to the one or more monitoring objects; starting the one or more monitoring objects; collecting and processing business flow data within a corresponding monitoring range by the one or more monitoring objects; and according to the processed business flow data, displaying the business flow within the monitoring range. According to the technical scheme disclosed by the invention, the monitoring efficiency can be improved, and the consistency and the promptness of flow data display and practical equipment business flow are guaranteed. In addition, according to the technical scheme disclosed by the embodiment of the invention, the building of more monitoring objects is supported, the monitoring range of each monitoring object is set by a user, and the adjustability and the flexibility of business flow monitoring degree can be guaranteed.

The invention discloses a vehicle re-identification method and system based on a double attention mechanism. The method comprises the following steps: constructing a convolutional neural network for vehicle feature extraction; constructing channel attention parts for paying attention to different channels; constructing a granularity attention component used for paying attention to the feature suitable granularity; randomly selecting multiple types of vehicles in each training batch, and randomly selecting multiple images in each type of vehicles to construct batch images; carrying out real-time data enhancement on the batch images and then inputting the batch images into a convolutional neural network; constructing a cross entropy loss function and a triple loss function after smooth regularization of the batch labels, and adding the cross entropy loss function and the triple loss function to obtain an integral loss function; and carrying out feature extraction on the trained convolutional neural network, calculating Euclidean distances between the features, and reordering the distances to obtain a vehicle re-identification result. According to the invention, the fine-grained features of the vehicle image can be better obtained, and the precision and stability of the model are improved.

The invention discloses a normalized RESTful microservice interaction method, and relates to a microservice architecture and a service interaction normalization technology. A RESTful API URI (UniformResource Identifier) rule configurator is adopted to implement normalized RESTful API URI definition, a resource operation expression rule configurator is adopted to implement normalized resource operation expression, and a safety access control rule configurator is adopted to implement normalized microservice safety access control; by normalized RESTful API URI definition, a problem of URI expression confusion is solved; by normalized resource operation expression, associated operation expression of various resources in an actual application scene is met; and by normalized microservice safetyaccess control, a problem of high-safety-level fine-grained access control of microservices is solved. According to the invention, various defects caused by adoption of a nonstandardized access modebetween each microservice are overcome, and service interaction of a microservice platform is more efficient, uniform, reasonable and normalized.

The invention discloses a granularity-adjustable laying hen feed and a preparation method thereof and belongs to the technical field of feed processing. The preparation method of the laying hen feed mainly comprises the following steps: taking corns as the main raw materials of the laying hen feed; grinding the corns by a double-roller grinder; screening the grinded corns by a vibration sieve; further grinding the screen residues by a hammer grinder; uniformly mixing the further grinded screen residues with the screened grinded corns; grinding soybean meal, DDGS, corn bran, double-low vegetable meal, monosodium glutamate protein and palm meal by a hammer grinder; then preparing the laying hen feed according to the conventional method. Preferably, the ratio of the digestible amino acids in the laying hen feed is DLys: (DM plus C): DThr: DVal: DArg equals 100: 84: 67: 87: 94; moreover, the yeast powder fermented from the preserved bacteria Rhodotorula benthica WYN1 whose preservation code is CCTC No: M 2014592 is specially added in the laying hen feed; thus, the grinding time is shortened, the dust is reduced, the production efficiency is improved, the breeding effect is raised and the egg quality is improved.

The invention discloses a multi-level authority management method based on a cloud management platform, and the method comprises the steps: dividing resource item entities allowed to be operated in the cloud management platform, and obtaining a plurality of resource item entity sets allowed to be operated, so as to obtain a plurality of authorities; And determining an access level of any one of the plurality of authorities according to a service demand, and performing modeling processing to obtain a multi-access level authority model so as to complete mapping from each sub-authority in the multi-access level authority model to an access attribute. According to the invention, the authority management of the cloud management platform is improved into multi-level authority; the stage number can be flexibly adjusted according to business requirements; User authority or project authority in a user group is automatically distributed, different access attribute (role) authorities are clearlydistributed, the repeatability of user authority configuration is reduced, the fine granularity of authority management is enhanced, authority management is more accurate and flexible, and the problems that the authority granularity is too large, the authority is inaccurate and authorization is inflexible in a traditional method at present are solved.

The invention discloses an automatic cycle crusher, comprising a frame, wherein, a feeding port, a crushing cavity and a discharge port are arranged on the frame, the discharge port is provided with a screening device for firstly screening crushed materials, the materials-screening part of the screening device is provided with a horizontal screening conveying device for horizontally conveying the materials and secondly screening the materials, the outlet of the horizontal screening conveying device is provided with a lift conveying device for lifting and conveying the materials into the feeding port so that the materials enter into the crushing cavity for recycling crushing, and the screening device, the horizontal screening conveying device and the lift conveying device are all driven by a drive mechanism. The invention has the advantages that the crushed materials are firstly and secondly screened during horizontal conveying, and conveyed to the feeding port in a lifting way and recrushed by the crusher.

The invention relates to the technical field of salt chemical engineering, in particular to a potassium sulphate preparing method through thermal melting, refrigeration and a double decomposition crystallization method. The potassium sulphate preparing method includes the following steps of 1 raw material preparation, 2 thermal melting, 3 cold separation crystallization and 4 potassium sulphate preparation through a two-stage two-step method, wherein magnesium sulfate heptahydrate or kainite reacts with potassium chloride through a traditional two-stage two-step method to prepare a potassium sulphate product. The potassium sulphate preparing method has the advantages that the problem that subtype magnesium sulfate salt lake brine is low in one-time production rate of raw materials in a traditional process is solved, the problems that in a flotation technology, the one-time yield is low, a product contains a poison potion, and the product granularity is thin are solved, a potassium sulphate product does not contain medicament and is in a particle shape, and the value of the potassium sulphate product is enhanced. The method is mainly used for the process for preparing potassium sulphate through the subtype magnesium sulfate salt lake bittern or through coastal acrid bittern or the like, good in effect and capable of generating larger economical benefits and social benefits.

The invention relates to the field of titanium alloy additive manufacturing, and in particular to a method for detecting granularity and sphericity of titanium alloy ultrafine powder for laser selective melting. The method comprises the following steps of: 1) before detecting, cleaning all apparatus by adopting water and alcohol and fully drying; 2) randomly extracting a powder sample from to-be-detected powder, wherein the powder is uniformly shaken before extraction; 3) weighing a dispersing agent by adopting a glass measuring cylinder; 4) fully mixing the weighed to-be-detected powder withthe dispersing agent and uniformly stirring; 5) preparing a suspension liquid and fully dispersing by adopting a disperser; 6) putting the dispersed suspension liquid in a dynamic image analyzer and putting a sample guiding tube in a fixing clamp; and 7) inputting sample information and starting the detection. The method disclosed by the invention has the advantage that the granularity and the sphericity of the titanium alloy ultrafine powder for the laser selective melting can be accurately and quickly detected.

The embodiment of the invention discloses a live broadcast room display method and system, a device and a medium, and relates to the technical field of computer networks. The live broadcast room display method comprises the following steps: acquiring user behavior information corresponding to a live broadcast room; determining quality information of the live broadcast room according to the user behavior information; according to the quality information, inserting the live broadcast information of the live broadcast room into a live broadcast room list corresponding to a target area, wherein the target area is an area determined according to the anchor position information of the live broadcast room; and performing live broadcast room display according to the live broadcast information in the live broadcast room list. According to the embodiment of the invention, the display precision of the live broadcast room is improved, and the daily activity and retention rate of live broadcast products are promoted.

The invention discloses an upwards-dialing and cutting type coal sample division device, comprising a division device body which includes an outer frame, a conical reshaper, a division dialing plate and a split baffle, wherein the top of the outer frame is provided with a sample inlet, the shape of the top of the conical reshaper is matched with that of the sample inlet, the area of the top of the conical reshaper is more than that of the bottom of the same, the lower end of division dialing plate is fixed on the outer frame by a rotary mechanism and above the split baffle , and the bottom of the outer frame is divided into two sample outlets by the split baffle. The method also provides two division methods; through the two division methods, divided samples can meet international requirements, in the division process, no leakage points exist; as the division dialing plate upwards dials and cuts coal samples, the coal flow has short contact time and area in the division device, the divided coal samples are representative, and the problems of moisture loss, particle size segregation and being easy to cause dust are overcome; the upwards-dialing and cutting type coal sample division device has greatly improved division precision than existing equipment.

The invention discloses a rubimaillin/chitosan nanoparticle, and a preparation method and an application thereof. The nanoparticle is a three-dimensional reticular structure formed by crosslinking chitosan with sodium tripolyphosphate, rubimaillin is fixed in the nanoparticle in a molecular form, the rubimaillin encapsulation rate is 4.58-14.64%, the average particle size of the nanoparticle is 96-467nm, and the polydispersity index, the drug loading capacity and the Zeta potential of the nanoparticle are 0.25-0.27, 5.73-28.153[mu]g/mg and 45.07-48.73mV respectively. The preparation method of the rubimaillin/chitosan nanoparticle comprises the following steps: 1, preparing a chitosan component liquid; 2, preparing a rubimaillin component liquid; and 3, adding the rubimaillin component liquid into the chitosan component liquid in a dropwise manner, fully stirring, and adding an aqueous solution of sodium tripolyphosphate of 1.0-3.0mg/mL in a dropwise manner in order to prepare the rubimaillin/chitosan nanoparticle. The nanoparticle prepared in the invention has the advantages of regular shape, small particle size, good dispersion, and obvious anti-oxidation and cancer cell inhibition effects, and is a potential antioxidant and antitumor preparation.

The invention discloses a manufacturing method for rolled products for nuclear grade in-pile U-shaped embedded part locating pins, and aims to obtain the rolled products with uniform, fine and small-range grain structures and qualified tensile properties. The composition proportion is optimized; 3150-ton fast forging large deformation amount and single hammer reduction amount cogging is adopted, and four hammers are adopted in a 1800-ton diameter forging machine to achieve isothermal forging; the finished product rolling heating temperature is controlled at 1160 DEG C to 1180 DEG C, and secondary carbide and a gamma' strengthening phase generated by an alloy are re-dissolved, so that dynamic recrystallization of grains in the final rolling process is more uniform; small deformation mount quick rolling is adopted for the final-heating number rolling of finished products, it is guaranteed that all heating number rolling deformation is controlled to be uniform, the deformation amount is between 30% and 50%, the roller rotating speed is increased, and it is ensured that the final forging temperature is not lower than 950 DEG C. The manufacturing method has the beneficial effects that the carbon content is appropriately controlled, alloy elements such as aluminum, titanium and niobium are highly controlled, the hammer cogging and rolling processes are reasonably controlled, and thealloy rolled products with the uniform grain size structures and excellent performance are manufactured.

The invention relates to the field of energy regeneration of lithium batteries, and provides a method for preparing a nickel cobalt lithium manganate lithium-ion battery positive material from waste lithium batteries. The method comprises the following steps: recycling the waste lithium ion batteries, dissolving into acid liquor to obtain a mixed metal solution, enabling calcium, magnesium, copper, zinc, lead, aluminum and other impurities in the mixed solution to enter an acid extractant organic phase, performing multistage refluxing on the organic phase loaded with the impurities, performing reverse extraction on the organic phase by using acid so as to regenerate the organic phase for reuse, and removing calcium, magnesium, copper, zinc, lead, aluminum and other impurities to obtain an impurity-free mixed solution; and conveying the prepared mixed metal solution and an additive solution into a freezing crystallization kettle to obtain nickel cobalt manganese lithium salt powder. By the method, nickel, cobalt, manganese and lithium elements are recycled from the waste batteries and waste positive materials, and after impurity removal, the nickel cobalt lithium manganate positive material is produced in a recycling manner so as to synthesize a regenerated product with the same performance as an original product in a directional recycling manner, so that resource reutilization of main metals in all the lithium-ion batteries is achieved.

The invention discloses a high-entropy alloy spherical powder for molten additive manufacturing of a powder bed and a preparing method and application thereof, and belongs to the technical field of additive manufacturing. The preparing method of the high-entropy alloy spherical powder for molten additive manufacturing of the powder bed comprises the following steps of high-entropy alloy wire preparing, preparing before atomizing, plasma atomizing, powder granularity grading and mixing. A plasma atomizing method is adopted, a plasma jet flow is used for melting a high-entropy alloy wire, impurity introducing caused by manners of crucible smelting and the like can be avoided, purity of a high-entropy alloy melt can be ensured, the plasma jet flow serves as atomizing media, the spheroidizingtime of broken liquid drops can be greatly prolonged, the metal liquid drops can be promoted to be solidified to form spherical powder particles, the prepared high-entropy alloy powder is high in sphericity degree, smooth and compact in surface, free of satellite balls and hollow powder, good in powder fluidity, low in oxygen content and few in impurity, and the property requirement of molten additive manufacturing of the powder bed for the high-property metal powder can be met.

The invention discloses a method for describing fixed value information of a relay protection device based on a CIM-E language. By studying and analyzing the requirements of multiple system applications for the fixed value information data of a protection device, a protection device model is established. In order to facilitate the description of the configuration information of the relay protection device, a primary device model for simply describing the information is established. On this basis, an attachment relationship between the protection device and a primary device is established, andeach piece of fixed value item information with attachment relationship information is described in detail. A generated interactive file of the invention conforms to the format and content requirements of a national grid for interactive data, the file has the advantages of easy reading and analysis and obvious versatility, the data sharing between different developers of a grid dispatching automation system can be satisfied, the format conversion in carrying out real-time data exchange based on a proprietary format is reduced, and a foundation is laid for realizing the analysis of the fixed value information of the relay protection device.

The embodiment of the invention discloses a version upgrading method and device based on shunting, equipment and a storage medium. The version upgrading method based on shunting comprises the following steps: reading a first version upgrading package list and a version shunting strategy; screening out a first shunting strategy corresponding to a to-be-upgraded target from the version shunting strategies; determining a first-level version upgrade package corresponding to the first shunting strategy from the first version upgrade package list; and upgrading the to-be-upgraded target by using thefirst shunting strategy and the first-level version upgrading package. According to the embodiment of the invention, the unification and accuracy of shunting during version updating are realized.

The invention discloses a character interaction relationship detection method, device and system. The method comprises the following steps: acquiring a to-be-detected video segment, wherein the video segment comprises a preset character interaction action; inputting the video segments into a pre-trained target detection network for framing target detection to obtain a preset first object detection point which is corresponding to each frame of image and possibly interacts with a human body; performing framing processing on the video segment, and extracting a preset first human body skeleton point of each frame of image; and connecting the first object detection point with the first human body skeleton point according to a preset connection mode, constructing a first space-time diagram, and inputting the first space-time diagram into a pre-trained space-time diagram convolutional network model to obtain a detection result of the character interaction action. The invention can solve the problems of time consumption, complex calculation and lack of fine grit caused by detecting all objects in a scene, only paying attention to the overall characteristics of a human body and analyzing the interaction relationship between the human body and the objects in the prior art.

The invention discloses a preparation method of Co25Cr5W5Mo alloy spherical fine powder. The end surface of a rod material is heated through a plasma gun so that the rod material can be melted, metalliquid drops are thrown away by the centrifugal force generated by the high-speed rotation of the rod material, inert gas is blown into the metal liquid drop condensation flying process so that the metal liquid drops can be rapidly solidified and cooled, the collected powder is placed in an ultrasonic vibration sieve to be subjected to a sheet screen, metal weaving screen screening, electrostaticseparation, powder non-metal inclusion treatment and the like, and finally the pure Co25Cr5W5Mo alloy spherical fine powder is formed. The powder prepared by the method is relatively good in sphericity, high in yield and good in powder morphology, and under the protection of inert gas, the probability that the powder is polluted is reduced.

The invention provides a peanut sowing seed-metering device with adjustable particle size. The peanut sowing seed-metering device comprises an adjusting disc, a discharge plate, elastic baffles and a fixing bolt. The adjusting disc and the discharge plate are fixedly connected through the fixing bolt, so that the friction between seeds in inner cells and a shell of a seed box of the seeder is avoided, the seeds are protected, and the germination rate of the seeds is improved; the elastic baffles are clamped on a circumferential outer wall of the adjusting disc through elastic force, and are opposite to the positions of feed preparation holes one by one; two groups of positioning holes are formed in the adjusting disc, and are matched with positioning holes in the discharge plate respectively; and the device is suitable for seeding large peanuts when the elastic baffles are positioned at the feed preparation holes, and is suitable for seeding small peanuts when the elastic baffles are positioned at the inner cells, so that the classified seeding for seeds with different particle sizes is realized, the double grain rate and accuracy of the seeding are improved, the seeds of peanuts are effectively saved, and the workload of the thinning of laborers is reduced.

The invention belongs to the technical field of biology and discloses plant selenium pressed candies. The plant selenium pressed candies are prepared from the following raw materials: cardamine violifolia, ampelopsis grossedentata, abelmoschus esculentus and malt; a preparation method of the plant selenium pressed candies comprises the following steps: step 1) preparing cardamine violifolia-ampelopsis grossedentata extract; step 2) preparing abelmoschus esculentus-malt extract; step 3) embedding, spraying and drying; step 4), adding auxiliary materials and carrying out tabletting. The candiesprovided by the invention can be used for quantitatively supplementing selenium nutrient elements; each formula component has a synergistic effect to express body-building functions of strongly resisting oxidization, improving heart and brain blood vessels and enhancing the organism immunity.

The invention belongs to the field of assessment of actual projects of large buildings, public facilities, precision equipment and the like, and particularly relates to a data possibility-reliabilitydistribution-based type-II prediction set security assessment method. The method comprises the steps of firstly defining type-II prediction sets and related concepts based on possibility and reliability distribution, and proposing a similarity measurement method for the type-II prediction sets; secondly, according to an assessment demand, determining a heterogeneous data security level scale, establishing joint distribution, and performing fusion on type-II distribution for to-be-assessed heterogeneous data by utilizing a weighted fusion method; and finally, calculating similarity measure between the fusion distribution and the security level scale, determining the position of a centroid in the projection surface of a joint scale, and judging a security level. An experimental result showsthat by applying the method to the judgment of the security level of a tailing dam, the granularity of an assessment result can be effectively reduced, the misjudgment problem is reduced, and the convenience is provided for accurate interpretation of the security level of a dam body.