79results about How to "Grading is accurate" patented technology

The invention discloses a rock beam sample cantilever type bending test device, and belongs to the technical field of rock beam bending test equipment. The device comprises a supporting platform and a loading component and further comprises a pressing component and a data collecting component; the pressing component comprises an upper pressing block, a lower pressing block, a first screw, a second screw, a first rotary wheel and a second rotary wheel; the loading component comprises a load support, a contact block and a balance weight sheet, vertical clamping grooves are formed in the two sides of the load support, the two ends of the contact block are connected with clamping strips respectively, a limiting groove is formed in the contact block, the balance weight sheet is arranged in the limiting groove, and the load support is in sliding connection with the supporting platform. The data collecting component comprises a magnetic gauge stand, an electronic dial indicator, a data collector and a strain gage, and the strain gage is connected with the data collector. Rock beam cantilever type loading is adopted, aiming at an anti-dip bedded rock slope, the testing accuracy of the device is greatly improved, and reference can be provided for study of the stability of the anti-dip bedded rock slope in water and electricity slope engineering.

The invention relates to a laundry care appliance having a memory unit and at least one operating program, stored selectively in the memory unit, with a plurality of operating program parameters, wherein a setting element (10) for the user to set at least one adjustable variable and a control unit for automatically altering at least one specific operating value, associated with the operating program, for an operating program parameter to match it to the adjustable variable which has been set by the user, said parameter being able to be used to prescribe an end result that is to be achieved, are provided. The invention also relates to a method for operating a laundry care appliance, in which selection of an operating program with a plurality of operating program parameters is followed by the user using a setting element to set at least one end result that is to be achieved, and at least one specific operating value, associated with the operating program, for an operating program parameter being automatically altered to match it to the adjustable variable which has been set by the user. The invention has the advantage that the user can very easily preselect the period of time, for example, and the operating program automatically matches the operating program parameters to the preselection.

The invention discloses a visual inspection classification device and method for appearance dimensions of group origin duck eggs, and relates to the technical field of egg processing classification. According to the structure of the device, a conveying belt and a light source are arranged on a device table, the duck eggs are arranged on the conveying belt, the light source is arranged below the conveying belt, and the light source irradiates the duck eggs through clearances between rollers on the conveying belt in a transmission mode. A dark box is arranged above the device table, an industrial camera is arranged in the right middle of the top of the dark box, and the height from a lens of the industrial camera to the face of the device table is 33 cm. An optoelectronic switch is arranged on the inner side of the dark box. The optoelectronic switch is connected with a single-chip microcomputer through a data line. The single-chip microcomputer and the industrial camera are respectively connected with a computer through data lines. The device and method can achieve automatic classification, the classification standards are unified, and classification is accurate. High efficiency and high intelligentization are achieved. Damage-free classification can be achieved, a machine is used for replacing human eyes, manual labor intensity is lowered, and good application and popularization prospects are achieved.

The invention relates to the technical field of screening machines, in particular to an architectural sandstone screening device which comprises a work chamber. A feeding device is arranged in the middle of the upper end of the work chamber; slide rails and screening devices are symmetrically arranged between the middles of a first clapboard and a second clapboard; U-shaped frames are symmetrically arranged on the front side and the rear side of outer walls of the screening devices; vertical slots matched with the screening devices are symmetrically formed in the first clapboard and the secondclapboard; a collecting frame is arranged on the right side of the lower part of the vertical slot located on the second clapboard; a power device is rotatably connected to one sides, far away from the screening devices, of rotary rods through pin shafts; and a discharge hole is formed in the middle of the lower end of the work chamber. The architectural sandstone screening device provided by theinvention is reasonable in structure design, convenient to use, and capable of improving the sandstone screening efficiency, carefully classifying sandstone, and absorbing powder dust produced duringsandstone screening at the same time, and has high functionality and practicability.

The invention relates to an online image acquisition system for detecting citrus skin defects and a detection method. The system comprises ultraviolet light detection equipment, visible light detection equipment and light blocking shells, wherein the light blocking shells are arranged outside the ultraviolet light detection equipment and the visible light detection equipment; the citrus sequentially passes through the ultraviolet light detection equipment and the visible light detection equipment; the ultraviolet light detection equipment is used for irradiating ultraviolet light to the citrus skin, so that the citrus corruption region generates yellow fluorescence and acquires fluorescence images of different positions in a citrus rotation state in real time; the visible light detection equipment is used for irradiating visible light to the citrus skin and acquiring color images of different positions when the citrus rotates; the light blocking shells are used for preventing stray light from entering when the citrus passes through the ultraviolet light detection equipment and the visible light detection equipment. The detection method is realized on the basis of the online image acquisition system. The online image acquisition system and the detection method provided by the invention can rapidly identify fruit with skin defects, can reduce the working intensity of workers, and enhances the competitiveness of the products.

The invention relates to a dense-medium coal separation method. The method comprises the steps that firstly, the liquid level of a coal slime qualified medium barrel is kept to be higher than the liquid level of a raw coal qualified medium barrel; secondly, the undersize fractional flow of a cleaned coal medium drainage curve screen is controlled to be 1.15-1.2 times of the input amount of a coal slime dense-medium cyclone, so that the coal slime qualified medium barrel is in an overflow state all the time during production; thirdly, the overflow of the coal slime dense-medium cyclone is purposefully led into a cleaned coal magnetic separator or the raw coal qualified medium barrel; fourthly, cleaned coal magnetic separation tailings are led into a cone tank with a deep cone angle for primary fine particle classification, and low-density high-ash fine slime is removed, wherein the overflow particle size is -0.10 mm size fraction, and the underflow is 1-0.10 mm size fraction; fifthly, the underflow (1-0.10 mm) part of the cone tank with the deep cone angle is conveyed to a high-frequency electromagnetic undersize sieve through a pump and secondary fine particle classification is conducted for removing high-density high-ash fine slime. According to the dense-medium coal separation method, the problems about separation and classification of fine coal (0.1-0.075 mm) are effectively solved. The work conditions of the flotation link are improved; the ash content of flotation tailings is effectively increased by setting the processing power of a flotation machine.

The invention provides a preparation method of monocrystal-like lithium nickel cobalt manganate, which comprises the following steps: 1. preparing a transition metal salt solution, adding a complexingagent or preparing a complexing agent solution, and preparing a pH regulating solution; 2, preparing a nickel-cobalt-manganese metal precipitate; continuously pumping various solutions prepared in the first step into a reaction kettle at the same time through different feeding pipes; connecting a reactor filled with manganese salt with a feed port of a reaction kettle, introducing protective gas,heating, continuously adding an oxidant into the reactor, reacting, adjusting the flow of the protective gas, introducing manganese oxide generated by the reaction into the reaction kettle, controlling the pH value in the reaction kettle, and carrying out precipitation reaction to obtain nickel-cobalt-manganese metal precipitates after the reaction is finished; 3, pre-sintering to prepare a nickel-cobalt-manganese precursor; and 4, performing lithiation sintering, such that the monocrystal-like lithium nickel cobalt manganate positive electrode material is obtained.

The invention relates to an intelligent monitoring system for mental health indexes. The intelligent monitoring system comprises a first-level monitoring device and a second-level monitoring device. The first-level monitoring device comprises a first mental factor computational modeling module and a mental health index primary treatment module, wherein the mental health index primary treatment module is connected with the first mental factor computational modeling module and the second-level monitoring device. The second-level monitoring device comprises a second mental factor computational modeling module and a mental health index secondary treatment module. According to the intelligent monitoring system, the mental health indexes of physical examination or community basic health services or a general hospital outpatient service or hospital crowds can be collected and monitored, the mental health indexes of all kinds of crowds are rapidly and accurately graded, the labor cost is reduced, and monitoring reliability is improved.

The invention provides a rice blast grading system and a rice blast grading method, which can quickly, stably and accurately grade the rice blast, are convenient to operate, can obtain an accurate grading result of the rice blast in real time through the photographing of a mobile terminal, reduce an identification threshold and improve the efficiency of identification work. The grading system comprises an image preprocessing unit, a spot feature extraction unit which is used for calculating to obtain a first pixel point area Img _ N of a whole leaf and a second pixel point area Img _ n withouta disease spot, wherein the reverse threshold cutting is carried out on the pixel point area Img _ n to obtain a second image of which the disease spot part is removed, and then the OTSU binaryzationis carried out on the second image to obtain a second pixel point area Img _ n of which the disease spot is removed; an area proportion calculation unit which is used for substituting the first pixelImg _ N and the second pixel Img _ n calculated by the scab feature extraction unit into an area proportion formula to obtain an area proportion value; and a grading unit.

The invention provides a method for identifying smut resistance in sugarcane. The method comprises the following steps that: screening a set of standard contrast varieties through at least three tests, which comprises at least two high resistance varieties, two medium resistance varieties and two infected standard contrast varieties; carrying out an artificial impregnation grafting evaluation test on the standard contrast varieties and materials participating in test evaluation simultaneously; recording the number of seedling emergence after the sugarcane is emerged; calculating the number of total clumps and the number of infected clumps on each line in harvesting; remaining perennial roots, and recording the number of seedling emergence and calculating the number of total clumps and the number of infected clumps on each line, and evaluating the clump infection rate according to the number of the total clumps and the number of infected clumps to calculate the infection rate; and calculating and evaluating the clone for classification through a regression equation of infection standard percentage (X) and standard classification thereof (Y). The method can reflect the inherent resistance level of the sugarcane identification materials more objectively, and minimize the interaction of environment to ensure more accurate identification result.

The invention provides a static environment-friendly automatic grading sand screening machine comprising a storage tank. The storage tank is composed of an inlet channel, a storage tank arm and an outlet channel, the storage tank is of a sealed structure, a distributor is arranged in the storage tank, the bottom of the distributor is connected with a screen surface, sand distribution holes are disposed in the screen surface, filter screens are arranged below the sand distribution holes and include a coarse sand screen, a 40-mesh screen, a 60-mesh screen, a 80-mesh screen and a 100-mesh screen which are arranged sequentially from top to bottom and parallel pairwise, vertical distance between every two screens is 100mm, the coarse sand screen, the 40-mesh screen, the 60-mesh screen, the 80-mesh screen and the 100-mesh screen are all connected with corresponding outlet pipes, and an angle between each filter screen and the vertical direction is 42-43 degrees. The static environment-friendly automatic grading sand screening machine adopts enclosed screening and grading, and is environment friendly and energy saving.

The invention discloses an airflow classifying system for flour and a wheat flour classifying treatment method. The system comprises feeding equipment, airflow classifying equipment and pneumatic conveying and dust-removing equipment; the feeding equipment comprises a hopper and a screw conveyer; the airflow classifying equipment comprises a first-stage classifier, a second-stage classifier and a third-stage classifier; the pneumatic conveying and dust-removing equipment comprises a bag-type dust remover and a high-pressure fan. The treatment method comprises the steps of 1, airflow classifying; 2, unloading; 3, dust removing. According to the invention, the wheat flour can be precisely classified, and the problem that rear flour of wheat is difficult to classify in the prior art is solved.

The invention discloses a coal ash collecting fractionation device which comprises an air flow spraying pipeline, a discharge pipe, a dust guard cover, a material storage chamber, a blind window, a multi-step type pipeline and a suction pipe. Firstly, the air flow enters the coal ash collecting fractionation device through the spraying pipeline to stir coal ash to be in a fluidization state. Then, the fluidified coal ash is sucked into the multi-step type pipeline, the flow speed in the pipeline is reduced progressively, and coal ash particles with large density or particle sizes suspend in a suspension chamber or subside near the pipeline wall inside a setting chamber. The set coal ash is collected in the material chamber through the blind window, and the set coal ash can be drawn out slowly. After the operation is carried out, the particles with different density or particle sizes in the coal ash are collected and separated.

The invention discloses a method for extracting regions of interest in real-time video communication. The method includes the steps that motion regions and brightness regions in a video image are extracted, and the video image is divided into a structured texture region, a smooth texture region and a random texture region; according to the characteristic that human eyes are interested in the motion region, the high-brightness region and the structured texture region, different weights are set for motion information, brightness information and texture information, and finally the degrees of interest in all the regions by the human eyes are obtained. Based on the visual characteristics of the human eyes, the regions of interest in a video are extracted in a graded mode according to the different degrees of interest in the different regions in the video image by the human eyes, so that the extracted regions of interest are more meticulous and accurate, the method is beneficial for adopting different coding modes for the different regions, and the compression ratio of the video is improved.

The invention discloses a roller type stone crusher with a screening function. The roller type stone crusher with the screening function comprises a case, wherein a feed inlet is formed in the middleof the upper surface of the case; a drive shaft is arranged on the left side of an inner cavity of the case and is fixed onto inner walls of two sides of the case; a drive roller sleeves outside the drive shaft; a first belt pulley is arranged on one side of the drive shaft; a first support frame is arranged on the left side of the case; a motor is arranged on the upper surface of the first support frame; a second belt pulley is arranged on an output shaft on the motor; the first belt pulley and the second belt pulley are in drive joint through a belt; a driven shaft is arranged on the right side of the inner cavity of the case; a driven roller sleeves outside the driven shaft; and a guiding plate is inclinedly arranged on the lower part of the inner cavity of the case. The roller type stone crusher with the screening function provided by the invention is reasonable in structure, has dust preventing and screening functions, and is high in crushing efficiency and long in service life.

The invention relates to construction waste recycled aggregate vibration air separation equipment, belongs to the field of a vibration sorting machinery, and solves the problem of fine sorting of construction waste recycled aggregates. A host case body is mounted on a supporting device by a damping device; a vibration device is mounted on the host case body. A bellows is arranged at the lower partof the host case body; the upper surface of the bellows from the feeding end of the host case body to the discharging end of the host case body is of a step shape; an inclination angle alpha of the step surface of the bellows is 3 degrees to 7 degrees. A wear-resisting plate is mounted on the steps on the upper surface of the bellows; the edge of the wear-resisting plate is connected with a regulation plate; a width of the regulation plate exceeds the edges of the steps. A row of air outlets are formed on the bellows wall below the regulation plate; the air outlet on the last step is a separation air outlet. A separated material collection device consisting of a heavy receiving bin, a sorting roller and a light receiving bin is arranged at the discharge end of the host case body. The construction waste recycled aggregate vibration air classification equipment has the characteristics of reasonable structure, superior performance, fine classification and high operation efficiency, and is particularly suitable for sorting and resource utilization on construction waste.

The invention discloses fish processing and operating equipment capable of conveniently collecting fish in a classified manner. The fish processing and operating equipment comprises a barrel body, wherein the barrel body is a hollow cylinder body; an opening of the barrel body faces upwards; the lower surface of the barrel body is connected with the left side of the upper surface of a bottom platethrough a supporting column; the inner wall of the barrel body is connected with the side surface of a placing plate; through holes are uniformly formed in the upper surface of the placing plate; anultrasonic cleaning probe is fixed to the inner wall of the barrel body, and is located above the placing plate; a supporting plate is fixed to the upper end of the barrel body; the ultrasonic cleaning probe works, so that sundries adhered on the fish are separated; and a rotating plate rotates, so that the fish turn over, and the sundries fall into filter screens through the through holes. Through the adoption of the fish processing and operating equipment capable of conveniently collecting fish in a classified manner disclosed by the invention, the fish washing effect is good, and the washing efficiency is high; a worker places the fish between a first oblique rod and a second oblique rod, under the effect of gravity, the fish move rightwards, and the fish of different sizes fall into different second storing tanks; the classification of the fish is accurate; and the sorting time is short.

The invention relates to a dispersing agent, in particular to a dispersing agent used for silicon carbide micro powder water overflow grading and an application method thereof. The dispersing agent is formed by mixing and stirring the following raw materials according to percentage by weight: 0.1%-5% of glycerol, 5%-30% of sodium hexametaphosphate, 15%-40% of sodium hydroxide, and 35%-60% of water. The dispersing agent has the advantages of being high in dispersing accuracy and improving dispersing efficiency.

The invention discloses a vanadium ore beneficiation method which comprises the following steps: crushing ores, adopting a photometric sorter to discard the crushed ores, and sending the discarded ores to next sorting operation; adopting a high-pressure roller mill system to carry out closed-circuit crushing on the discarded ores to obtain crushed ores; adding borax in the crushed ores, roasting the ores in a fluidized bed furnace to crush the crystal structure of the vanadium ore to obtain roasted vanadium ore; crushing the roasted vanadium ore, then, adding leaching solution for leaching toobtain leached ore pulp; carrying out filter pressing washing operation on the leached ore pulp, wherein the filter residues can directly go underground for filling or is externally sold as building material articles; enabling the leaching solution to enter next step; and carrying out extraction, reextraction, vanadium precipitation and calcination operation on the leaching solution to obtain vanadium. According to the vanadium ore beneficiation method, borax is added to crush the crystal structure of the vanadium ore; and as the self stability of borax, generation of harmful gas is avoided during the roasting process and the vanadium ore beneficiation method belongs to an environmentally-friendly type roasting technology.

The invention relates to the technical field of river crab breeding equipment, in particular to a river crab automatic classifying device. The river crab automatic classifying device comprises a feeding mechanism, a classifying mechanism, a discharging mechanism and a controller, wherein the feeding mechanism comprises a hopper conveyor; the classifying mechanism comprises a machine frame and three classifying boxes which are fixedly mounted on the machine frame; each classifying box is electrically connected with the controller; the three classifying boxes include a first classifying box, a second classifying box and a third classifying box; a feeding opening of the second classifying box and a feeding opening of the third classifying box are respectively formed in two sides below a discharging opening of the first classifying box; the hopper conveyor is arranged on the side of the machine frame; a discharging opening of the hopper conveyor is formed above a feeding opening of the first classifying box; and the discharging mechanism is fixedly mounted on the machine frame, and is arranged below the lowermost layer classifying box. Through the adoption of the river crab automatic classifying device disclosed by the invention, river crabs can be weighted and classified continuously without binding the river crabs, so that the efficiency is high; and measuring is performed twice, so that mechanical errors are reduced, and the classifying of the river crabs is more accurate.

The invention discloses a gordon euryale seed grading machine. Through a rotary screen composed of a primary grading roller I and a primary grading roller II, primary screening of gordon euryale seeds is conducted, the gordon euryale seeds are screened into two large specifications, and small seeds are screened out. Fine and accurate grading is conducted on the primarily screened gordon euryale seeds through a final grading roller I and a final grading roller II, and the gordon euryale seeds can be screened into six or more specifications. Meanwhile, the small seeds can be screened by the primary grading roller II into 2-3 specification grades. Because a scraper blade structure is additionally arranged, the mesh blockage problem can be solved.

The invention discloses a multi-stage circular screening machine for tea. The multi-stage circular screening machine for tea comprises a base. A shell is arranged on the base. A cylindrical mesh screen which inclines leftwards is arranged in the shell. A rotary shaft is arranged in the cylindrical mesh screen. A first-stage mesh screen which inclines leftwards is arranged below the cylindrical mesh screen. A second-stage mesh screen which inclines rightwards is arranged below the first-stage mesh screen. A third-stage mesh screen which inclines leftwards is arranged below the second-stage mesh screen. Vibrators are arranged around the first-stage mesh screen, around the second-stage mesh screen and around the third-stage mesh screen correspondingly. According to the multi-stage circular screening machine for tea, the cylindrical mesh screen is arranged and driven by the rotary shaft to rotate accordingly, tea turns in the cylindrical mesh screen, broken tea can be screened to the space below, and the broken tea is screened by the first-stage mesh screen, the second-stage mesh screen and the third-stage mesh screen layer by layer so as to be graded; and the vibrators are arranged around the first-stage mesh screen, around the second-stage mesh screen and around the third-stage mesh screen correspondingly and drive the mesh screens to vibrate, and thus tea can be screened completely.

The invention provides a system and a method for sorting surface defects of aluminum profiles in real time. The system comprises a transmission module, an image acquisition module, an image processing module and a mechanical arm motion control module, wherein the transmission module conveys a to-be-detected product to a detection area, the image acquisition module completes real-time acquisition of an aluminum profile plate image in the detection area and transmits acquired images to the image processing module, the image processing module comprises a defect detection model, detection results of the detection model are output to the mechanical arm motion control module through processing of the defect detection model, the mechanical arm motion control module selects a motion path according to the detection result information, and a defective plate is grabbed and conveyed to a target area by the mechanical arm motion control module. The system and the method for sorting surface defects of the aluminum profiles in real time can improve the detection precision of the model and realize automation of the quality inspection process of the aluminum profiles.

The invention provides a fresh leaf grading machine. The fresh leaf grading machine comprises a vibration portion component and a screening machine tool component, wherein the vibration portion component comprises a lower support seat and an upper support seat, the lower support seat is provided with a motor, a driving wheel, a driven wheel and an eccentric shaft, one end of a connection rod is connected with the eccentric shaft, the other end of the connection rod is connected with a connection rod shaft, and the connection rod shaft is installed at the bottom of the upper support seat; and the screening machine tool component comprises a rack, a material inlet hopper and a material outlet hopper, at least one segment of a groove body is arranged between the material inlet hopper and thematerial outlet hopper, the rear end of each segment of the groove body is provided with a gap bridge stirring wheel, the lower portion of each segment of the groove body is provided with a volute type material-receiving material outlet hopper, each volute type material-receiving material outlet hopper comprises a material unloading hopper and an air conveying pipe, one end of each air conveying pipe is provided with an air fan, and the other end of each air conveying pipe is provided with a material outlet pipe. According to the fresh leaf grading machine, the fact that fresh tea leaf raw materials are separated into different grades according to different sizes and lengths is met to design and develop the stepped fresh leaf grading machine, an extended arc groove screening machine tool and stepped vibration groove type structure is adopted, no jamming blocking is generated to screened fresh tea leaves, furthermore, the groove separation distance is adjustable, and the grading requirements for the fresh tea leaves of different sizes, grades and shapes are met.

The invention relates to a resistance identification method for potato black scurf. The resistance identification method comprises the following steps: S1: separating and purifying pathogenic bacteria; S2: carrying out pathogenic bacteria expanding propagation; S3: preparing an inoculum; S4: preparing sterile soil; S5: carrying out pathogenic bacteria inoculation and potato seed processing; S6: investigating items, and carrying out a calculation method: according to the lesion area of the potato tuber rhizoctonia solani, calculating an illness state index, calculating a relative disease-resistant index according to the illness state index, carrying out disease-resistant evaluation of a variety through the relative disease-resistant index, and determining the resistance level of the potatoblack scurf according to the relative disease-resistant index: immunity is that the relative disease-resistant index is equal to 1, high resistance is that the relative disease-resistant index is greater than or equal to 0.80 and less than or equal to 0.99, moderate resistance is that the disease-resistant index is greater than or equal to 0.60 and less than or equal to 0.79, moderate susceptibility is that the relative disease-resistant index is greater than or equal to 0.40 and less than or equal to 0.59, and high susceptibility is that the relative disease-resistant index is greater than orequal to 0.00 and less than or equal to 0.39. The resistance identification method has the advantages of being scientific, accurate in results, simple in processes, easy in operation and short in hypha culture time.

The invention discloses a privacy data grading protection method based on big data, which comprises the following steps: 1) obtaining keywords, and setting a privacy degree grade; dividing the acquired keywords into different grades according to privacy degrees, and establishing a storage directory for each keyword, wherein a plurality of keywords exist under each privacy degree grade; 2) selecting one keyword in one privacy degree level to retrieve the database, and classifying the data searched by using the keyword into a storage directory of the keyword; and 3) repeating the operation in the step 2) until all keywords in the privacy degree level selected in the step 2) are traversed. According to the technical scheme, the high-frequency words in the private data serve as the keywords, the sensitivity values of the keywords are calculated, and the sensitivity values serve as the grading standard of the private data, so that grading of the private data has a quantitative standard, grading of the private data is accurate, and the private data is protected conveniently.

The invention relates to a transmission, in particular multi-stage transmission, for a motor vehicle, comprising a housing, a drive input shaft, a drive output shaft, at least four planetary gear sets and six shift elements in the form of at least three clutches and at least two brakes, the planetary gear sets each comprising a sun gear, at least one planet gear, a planet gear carrier and an internal gear, wherein the drive input shaft can be connected by means of the second clutch to the planet gear carrier of the first planetary gear set, and the planet gear carrier of the first planetary gear set can be connected to the second brake, and the drive input shaft can be connected by means of the third clutch to the first brake, and the drive input shaft can be connected by means of the third clutch to the sun gear of the first planetary gear set.