111results about How to "Easy to compare and observe" patented technology

Work to obtain an optical and an electron microscope images at an identical display size is facilitated. A magnifying observation apparatus includes: an electron beam imaging device that obtains an electron microscope image in a chamber; an optical imaging device that obtains an optical image in the chamber; a moving device that moves the both devices such that an optical axis direction of one of the both devices is aligned with an optical axis direction of the other device; a display section that displays the electron microscope and the optical images; and a magnifying power conversion section that recognizes a magnifying power of an image obtained by one of the imaging devices and converts the magnifying power, which is used to obtain an image having a display size substantially identical to that of the image, by the other device into a magnifying power on a basis of the other device.

The invention relates to a medical image style conversion method and apparatus, a medical device, an image system and a storage medium. The method comprises the following steps of: acquiring a neuralnetwork model; acquiring original medical images; using the original medical image as the input of the neural network model to obtain the target medical image by the neural network model, wherein Thedifference between the content features of the original medical image and that of the target medical image is within the preset threshold, and the style features of the original medical image are different from those of the target medical image. According to the above method, through the neural network based on style transfer algorithm, the original medical images are transformed into target medical images with different styles. The invention can be applied to the style conversion between the medical images of various modes, and can keep the change of the content characteristics of the imageswithin the preset threshold value and not easily cause distortion, so that the doctor can conveniently compare and observe the converted target medical images with the medical images of other modes.

The invention relates to a nuclear reactor fuel assembly bottom nozzle hydraulic scouring test system and a test method thereof. The system comprises: a circulation system composed of a double suction pump and a closed loop pipeline; a test segment module composed of a foreign matter dropping tube segment, a test segment, a foreign matter collector and relevant devices; a flow field information acquisition module composed of a PIV device, flow field processing software and a local area network computer; an image acquisition module composed of a high speed camera and a local area network computer; an adjusting and monitoring module before pump, composed of a water tank, a filter, and relevant pipelines and meters; a cooling module composed of a cooling pump, a cooling tower, a condenser, a closed pipeline, a valve and a meter; and a remote control module composed of all electric valves, water pumps and relevant devices through a programmable logic controller. The invention also provides the test method of the system. The system and the method can meet needs of large-flow reactor bottom nozzle hydraulic scouring visual test researches, and also can realize simple and rapid adjustment of system parameters.

The invention relates to the technical field of chlorine dioxide disinfection sterilization, in particular to a method for evaluating a chlorine dioxide release rate. The method provided by the invention comprises the following steps: firstly forming a colorimetric card showing one-to-one correspondence between chlorine dioxide release rates and color spots, then detecting color spots of to-be-evaluated samples in the same test environment and comparing with the colorimetric card, thus the chlorine dioxide release rates of the to-be-evaluated samples can be directly read according to the colorimetric card. The method provided by the invention has the advantages that the to-be-evaluated samples only need to be placed in a test container for preset time after a color spot-release rate colorimetric card is formed, then chromogenic reaction is performed by using wet potassium iodide test paper, and reading is performed by comparing the colorimetric card, so that operation is simple and easy; and especially when the chlorine dioxide release rate of a to-be-evaluated sample needs to be tracked for a long time, only simple potassium iodide test paper chromogenic reaction and comparison with a pre-prepared color spot-release rate colorimetric card need to be performed, so that evaluation work is greatly simplified and evaluation efficiency is improved. The method provided by the invention is easy to operate, low in cost and quick in result and is applicable to popularization and application.

The invention relates to a detection method of sulfate ion in an electrolyte used for a lithium ion battery. The method includes the steps of: preparing an organic solvent water solution; preparing a sulfate water solution; preparing a plurality of sulfate ion standard substances; preparing a sample; and calculating the content range of the sulfate ions in the electrolyte. According to the rule of similarity and dissolving, the organic solvent water solution is prepared from an organic solvent and water according to certain ratio, so that the polarity of the organic solvent water solution is similar to that of the electrolyte, and the electrolyte is soluble in the organic solvent water solution. In addition, through addition of an acidic barium chloride water solution, the barium ions form barium sulfate precipitate only with the sulfate ions, so that the method allows convenient observation and comparison, thereby achieving the detection of content of the sulfate ion in the electrolyte.

The embodiment of the invention discloses a method and device for acquiring a sound signal based on a sensor. The sensor comprises the following steps of: sensing the vibration condition of a first object with a sensor to acquire the sensed motion data of the first object in a vibration process, wherein the sensor comprises an acceleration sensor and / or a gyroscope; carrying out operation processing on the sensed motion data to obtain a sound signal of the first object in the vibration process. With the invention, ambient noise signals can be completely shielded, the sound signal generated in the vibration process of the vocal chord and the heart of a person or the vibration process of an automobile engine and other vibration objects can be acquired even if a user is in an extremely noisy environment, the functions of a microphone and a stethophone can be better realized, and the use experience of the user is improved.

The invention discloses a liquid material feeding system and a working method. The liquid material feeding system comprises a stirring device, a conveying system and a control system; the stirring device comprises a stirring cylinder and a stirring cylinder bracket; the stirring cylinder adopts a mixing stirring mode; the stirring device further comprises a disinfecting system; an anti-collision strip is added outside the stirring cylinder bracket; liquid feed is prepared by adopting a new formula. According to the working method of the feeding system, double media are adopted to push the liquid feed to the stirring cylinder; pipelines can be cleaned without residue; the environment of a pig house is healthier, the spreading rate of diseases is reduced, and the growth of livestock is facilitated.

The invention discloses a system for realizing collection and playback of an input / output trace (I / O Trace) under a distribution environment. The system comprises an I / O Trace collection and playback control unit, an I / O Trace acquisition unit and an I / O Trace playback unit, wherein the I / O Trace collection and playback control unit is mainly used for managing a tester node; the I / O Trace collection unit and the I / O Trace playback unit are mainly used for acquiring host information, registering from a master control console, receiving a control command of the master control console and performing corresponding Trace collection and playback operation; and the problem of uncontrollability of an I / O request in the prior art is solved, and the generated Trace is inconvenient for the evaluation of a memory system, so that an I / O Trace collection and playback system which guarantees controllability of the I / O request and is convenient for design and the evaluation of the memory system is provided.

A correction table unit (5) contains correction tables for correcting output values of image data of the first image, the second image, . . . , the n-th image successively output from an X-ray plane detector (4) of a radiographic image diagnosis device and having different output rise characteristics. After correction of the image data, the second image data is subtracted from the first image data, . . . , and the n-th image data is subtracted from the first image data by a subtraction unit (8). As a result, a subtraction image, i.e., an angiographic image is displayed on display means (9). Since the affect of the different rise characteristics of each image data is eliminated, it is possible to obtain an angiographic image having a uniform background brightness and a preferable contrast.

The invention relates to a multi-station variable-angle removing template for a die spotting machine. The die spotting machine is composed of a rotating disk rotating mechanism and a template flip mechanism, and comprises rotating disk body and a removing flip template; the disk surface of the rotating disk body is provided with locking blocks around the disk center; the disk center of the rotating disk body is provided with a center rotating shaft connected with the removing template; positioning locks are arranged on the removing template; a jacking oil cylinder and a driving motor are arranged in the removing template; locking oil cylinders are arranged on the four corners of the lower surface of the removing flip template, and the lower surface is connected to a removing flip template drive pin which is connected with a removing pedestal; the removing flip template is provided with symmetrical double-ear pedestals; a flip oil cylinder connecting pin is arranged in ear-holes of the double-ear pedestals; the flip oil cylinder connecting pin is connected with a flip oil cylinder piston rod; and the flip oil cylinder is fixed on the removing pedestal obliquely. According to the multi-station variable-angle removing template for the die spotting machine, the rotating disk rotating mechanism is arranged on the removing template, so that the removing template is capable of switching stations; the template flip mechanism is arranged on the removing template, so that the removing template is capable of switching angels.

The invention discloses a paraffin slicing method for corydalis saxicola blades. The method comprises the following steps: fixing a sample, dehydrating, transparently processing, waxing, embedding, slicing and unfolding slices, de-waxing, dyeing and sealing slices. The dyeing step further comprises the following steps: before transparently processing, putting the dehydrated corydalis saxicola blades into a safranine solution in volume concentration of 0.8-1.2%, and dip-dyeing for 8-12h; rehydrating a slide carrying the corydalis saxicola blades in the dyeing step; after rehydrating, putting into an alcoholic solution for separating colors; adding acetic acid at the volume ratio of 1 / (800-1000) into the alcoholic solution used for separating colors; and finally, putting into a fast green solution in volume concentration of 0.8-1.2%, and dyeing for 5-15 seconds. The corydalis saxicola blades prepared according to the invention are clear in outline tissues and are suitable for identification of medicinal materials.

The invention relates to an opening device, in particular to a medical eyelid opening device. The medical eyelid opening device aims to achieve the technical purposes that the two eyes can be opened with one hand at the same time, convenience is provided for comparison, and the observation time is shortened. The medical eyelid opening device comprises supporting rods, a cross rod, a width adjusting device, frames, guide rods and the like; the cross rod is arranged at the lower part of the right side of the left supporting rod and penetrates through the right supporting rod, the width adjustingdevice is arranged at the sliding joints between the cross rod and the supporting rods, the frames are mounted on the tops of the left supporting rod and right supporting rod respectively, and the guide rods are mounted in the frames. In the device, by pulling a pull rod to move downwards, first springs are stretched, the pull rod drives a clamping block to move downwards, the clamping block is detached from a groove, and then the right supporting rod is not clamped to the cross rod anymore; in this way, the width of the device can be adjusted according to the different distances between theeyes, and the device is applicable to different people.

The invention relates to a synthetic mold shifting two-plate type closing machine. The synthetic mold shifting two-plate type closing machine comprises a lower seat, an upper seat and a lower mold shift-out seat, wherein pull rods are vertically mounted at four top corners of the lower seat, the four pull rods are connected with the upper seat in a sleeving and sliding manner, quick oil cylinders connected with the lower seat are mounted on the outer sides of the top corners of the upper seat, brake nuts are mounted at the connecting parts of the upper ends of the upper seat and the pull rods, two brake nuts on two sides are connected through a brake synchronization device, a lower mold shift-out seat and a turnover mold plate shift-out seat are respectively mounted on two adjacent side edges of the lower seat, a moving lower mold plate and a turnover mold plate moving seat are respectively mounted on the lower mold shift-out seat and the turnover mold plate shift-out seat in a sliding manner, and a plurality of high pressure mold locking cylinders are vertically mounted inside the lower seat. The two-plate type closing machine provided by the invention dispenses with a traditional three-plate type structure, the height of a machine body is lowered, the cost is lowered, and a flexible mold closing structure is added, so that pressure among mold parting surfaces is even.

The invention discloses a laser celestial globe which takes a diode as a basic light source to generate starry sky images and can carry out starry sky effect demonstration indoors in any lighting condition because of adopting a special point light source. Because of miniaturization of a dome and foldable type, the invention can carry out demonstration in places with common space, such as classrooms, laboratories, and the like. A constellation projection device has special mechanical design, a constellation projection ball is driven by an engine to simulate the rotation of starry sky and a projection star map can be regulated according to latitude to dynamically demonstrate the position change of stars, thereby the invention can satisfy the demands that people in different latitude areas can study the relation between starry sky apparent motion change and earth rotation and greatly satisfies the scientific inquiry desire of observers. Due to the specialization of the light source, no need for avoiding light in a demonstration environment, miniaturization, the foldable design of the dome and the low manufacturing cost, the invention is very easy to truly popularize astronomy popular science education in common middle and primary schools.

The invention discloses a device and a method for influencing aquatic plant growth by water level, water depth, water quality and bottom material changes. The device comprises cross-shaped planting troughs, a fixed bracket and a floating bracket, wherein each cross-shaped planting trough comprises a blackboard layer positioned at the outer part and an organic glass layer positioned on the inner side of the blackboard layer; the organic glass layers are spliced and formed into the cross-shaped planting troughs of which the upper parts are open; the blackboard layer is positioned on the outer side of the organic glass layer, and is tightly and fixedly jointed with the organic glass layer through rivets. According to the invention, organic glass is adopted to make the planting troughs, the growth condition of the submerged plant root system can be clearly observed, the submerged plant root system is not hurt, and further observation of the growth condition of the submerged plant root system is facilitated; the device adopts the cross-shaped structure, and is relatively stable in water; the two groups of same planting troughs are respectively hung under the fixed bracket and the floating bracket, so that the influence on plants by the water depth change can be easily measured; the planting troughs are filled with different bottom materials, when the planting troughs are hung on a cross beam of the fixed bracket or the floating bracket, the influence on the plants by different bottom mud can be easily measured, and influence on plants by the water quality can be measured when the planting troughs are put into different water bodies.

The invention relates to a detection device, and more particularly, relates to a digestive tract barium fluoroscopy detection device. X-ray films of different sizes can be fixed through an adjusting and fixing device, the X-ray film can be fixed at any position on a light box, and comparison and observation are facilitated. The lower end of a front baffle main body is provided with a groove; a sliding groove is arranged at the upper end of the front baffle main body; a fixing plate is formed by a fixing plate main body and insertion holes; multiple insertion holes are arranged in the fixing plate main body; the left end of the bottom plate is connected with a rear baffle through a bolt; a first hook is arranged on the rear baffle; a light tube is connected onto the rear baffle through a bolt; a top plate is fixedly connected onto the upper end of the rear baffle through bonding; the front baffle is fixedly connected onto the upper end of the bottom plate through bonding, and the top end of the front baffle is connected with the top plate; a second hook is in clearance fit with the sliding groove; a first connector is fixedly connected onto the front baffle main body through bonding; the fixing plate is located in the groove; and insertion blocks are matched with the insertion holes.

The invention discloses a paraffin sectioning method for Corydalis saxicola Bunting stems. The paraffin sectioning method comprises the following steps: sample fixation, dehydration, transparency treatment, wax dipping, embedding, sectioning and slice expansion, dewaxing, dyeing and slice sealing. The paraffin sectioning method specifically comprises the following steps: before the transparency treatment, putting dehydrated Corydalis saxicola Bunting stems into a 0.8%-1.2% sarranine solution, and carrying out dip dyeing for 8-12 hours; after the dewaxing, carrying out rehydration on a slide carrying the Corydalis saxicola Bunting stems, putting the Corydalis saxicola Bunting stems into an alcohol solution, carrying out color separation, simultaneously adding acetic acid into the alcohol solution for the color separation in a volume ratio of 1 to (800-1000), finally, putting the Corydalis saxicola Bunting stems into a 0.8%-1.2% fast green solution, and carrying out dyeing for 10-20 seconds. By virtue of the paraffin sectioning method disclosed by the invention, a clear Corydalis saxicola Bunting stem structure can be sectioned, a specimen can be stored for a long time for use, is a permanent microscopic slide specimen and can be applied to microscopic identification of Corydalis saxicola Bunting medicinal materials for market normalization.

The invention discloses an automobile part surface defect detection device and a detection method thereof. The device comprises a base, wherein a motor is fixedly connected with the center of the bottom end of the base, slide rails are fixedly mounted at the top end of the base, a detection table is rotationally connected onto the slide rails, the bottom end of the detection table is fixedly connected with a rotating shaft, the bottom end of the rotating shaft penetrates through the base and is rotationally connected onto the motor, the top end of the base is also fixedly connected with a darkbox, the top wall of an inner cavity of the dark box is fixedly connected with a seat frame, multiple LED lamps and multiple cameras matched with the detection table are uniformly arranged on the seat frame, and a touch display screen is mounted on one side of the top end of the dark box; workpieces are directly placed on the detection table, then, under irradiation of the LED lamps, the camerasshoot the workpieces, pictures are directly displayed by the touch display screen, a worker can operate the touch display screen to amplify and observe details of the workpieces more carefully, so that the workpiece detection quality can be substantially improved, and discharge of scratched workpieces can be reduced to the greatest extent.

The invention relates to a method for observing the DRG and spinal cord structure of an animal, and recording spinal cord electrical activities of the animal. The method comprises the following steps: (1) a DRG operation; (2) a DRG virus injection; (3) an operation for simultaneous observing the spinal cord side axon and the DRG; (4) an operation for observing the dorsal axon; (5) a spinal operation for inserting potential difference monitoring electrodes; (6) imaging. The method is used for observing the comparison between the dorsal axon and the ventral axon of the animal as well as the spinal cord electrical activities, so that repeated operations during the imaging can be avoided, the pain and pressure suffered by a tested animal can be relieved, the spinal cord side of the animal can be observed, a comparative research on the motor neuron axon and the sensory neuron axon of the animal can be achieved, and the spinal cord dorsal side of the animal can be observed when the animal is sober; through the adoption of the method, all-directional connection of the whole nerve system can be achieved, researches on the structure and function operating mechanism of the whole nerve system can be promoted, and a feasible method for integrated researches and analysis of sleeping, learning and other animal behaviors can be provided.

The invention relates to a two-plate mold closing machine for moving molds in one direction. The machine comprises a lower base, an upper base and a lower mold removing base, wherein pull rods are vertically mounted on four top angles of the lower base; the upper base is in sliding cup joint on the four pull rods; quick oil cylinders connected with the lower base are respectively mounted at the outer sides of the top angles of the upper base; brake nuts are mounted in the connected position of the upper end of the upper base and the pull rods; the two brake nuts at the two sides are connected through a brake synchronization device; the removing base is mounted at one side of the lower base; a movable lower template and an overturning template are mounted on the removing base in a sliding manner; and the removing directions of the movable lower template and the overturning template are one direction. Multiple high-pressure locking mold oil cylinders are vertically mounted in the lower base. The machine discards a traditional three-plate structure, reduces the body height, decreases the cost, and adds a flexible mold closing structure to enable the pressure between parting surfaces of the molds to become uniform.

The invention relates to the technical field of judgment of continuous change of lanes based on RTK, in particular to an RTK-based judgment method of continuous change of lanes. The judgment method comprises steps of judgment of device debugging, judgment of vehicle running track records and judgment of lane change of vehicles. According to the invention, based on a difference GNSS base station and an RTK mobile station, running processes of vehicles are tracked; running tracks of vehicles are recorded; the recorded data is transmitted into an ARM main board for storage; and frame simulation is performed on the data through a mathematical modeling technology system and an API port. Thus, by displaying frames on a display screen, it is convenient for people to carry out comparison observation on an electronic map module, and comprehensive judgment is performed by combining the current number sequence model for continuous change of lanes of vehicles, working efficiency of people is improved.

The invention discloses a paraffin sectioning method of roots of corydalis saxicola bunting, which comprises sample fixing, dehydration, transparentizing, paraffin impregnation, embedding, sectioning and expansion, deparaffinage, dyeing and sealing. Before the transparentizing step, dehydrated roots of corydalis saxicola bunting are placed into sarranine solution with volume concentration of 0.8 to 1.2% to be dip-dyed for 8 to 12h; in the dyeing step, a slide with the roots of corydalis saxicola bunting is re-watered and then is placed into alcoholic solution to be subjected to color separation after re-watering, simultaneously, acetic acid with a volume ratio of 1: (800 to 1,000) is added into the alcoholic solution for color separation, and finally, the obtained product is placed into fast green solution with volume concentration of 0.8 to 1.2% to be dyed for 20 to 30 seconds. A root section prepared by the paraffin sectioning method disclosed by the invention is clearer in tissue, clear in profile root, and convenient in herbal medicine identification.

The invention discloses a display device for a biology teaching experiment. The display device comprises a shell, wherein U-shaped sliding rails are fixedly connected to inner walls opposite to the shell; a placement table is arranged on side walls of the U-shaped sliding rails; a plurality of pulleys are rotationally connected onto side walls of the placement table; the pulleys are positioned inthe U-shaped sliding rails; a plurality of round holes are formed in the upper end of the device table; test tubes are arranged in the round holes; a device cavity is formed in the device table; an L-shaped pull rod is arranged in the device cavity; a guide rod is fixedly connected to the inner wall of the device cavity and penetrates through the side wall of the L-shaped rod; the L-shaped rod isfixedly connected with the inner wall of the device cavity by virtue of a first spring; the L-shaped rod penetrates through the device cavity and extends into the round holes; and a popping-up plate is fixedly connected to one end, which is positioned in the round hole, of the L-shaped rod. The display device disclosed by the invention is reasonable in structure, and students can conveniently perform paired observation to display influences of different temperatures on enzymatic activities.

The invention provides a teaching demonstration device for a turbidity sediment experiment and a teaching method of the teaching demonstration device, and relates to an experimental demonstration device. A water tank body comprises water tanks A (6) and water tanks B (9) which are arranged oppositely in the vertical direction. According to the teaching demonstration device for the turbidity sediment experiment, four blending formulas for water, mud and sand content of sedimentary turbidity current are provided according to the characteristics of four types of sedimentary turbidity current including gravel-rich type sedimentary turbidity current, sand-rich type sedimentary turbidity current, sand-mud mixed type sedimentary turbidity current and mud-rich type sedimentary turbidity current, the geological characteristics of each geologic sedimentary turbidity current are distinguished in a refined manner, the movement characteristics of each type of sedimentary turbidity current are comparatively demonstrated by the two water tanks with adjustable slope, the turbidity current flow rate is adjusted according to size and length of the slope, then sediment discharge in the turbidity current is observed, the geological knowledge of turbidity sediment is obtained, strictness and completeness of experimental operation are guaranteed, and students are helped to master the geological turbidity sediment related knowledge comprehensively and finely.

The invention provides a frequency spectrograph and a method for measuring a low-level signal through a trace of the frequency spectrograph. The frequency spectrograph comprises a packaging shell; anintegrated circuit board is arranged in the packaging shell and includes a main control circuit board and an auxiliary control circuit board; the auxiliary control circuit board is electrically connected with the main control circuit board through a flat cable; and the main control circuit board mainly comprises an FPGA (field programmable gate array), an ARM and a DSP (digital signal processor).According to the invention, the processing speed is greatly improved; mutual labor division definition is realized; working efficiency is improved. The radio frequency control circuit board is specially designed; a radio frequency input signal is subjected to three-stage frequency mixing to finally obtain an intermediate frequency of 10.7 MHz; the low-level signal is measured by reducing the inputloss, reducing the resolution bandwidth and taking the average trace of the trace; the low-level signal can be separated from the noise; and the low-level signal can be measured more easily and observation and comparison are performed by the trace.

The invention discloses a verification instrument for gear center distance severability, and belongs to the field of demonstration teaching tools. A driving gear rotation device drives a driving gear to rotate, and the driving gear transmits torque to a driven gear through tooth profile meshing; the change of angular displacement between the driving gear and the driven gear is detected through a detection unit in real time and is displayed through a digital display device; the consistency of the instantaneous transmission ratio of gear transmission is determined by observing the synchronization of the change of the rotating angle between the driving gear and the driven gear; the center distance between the driving gear and the driven gear is changed through a center distance adjusting device; under different center distance conditions, experiments are performed many times so that the gear center distance severability can be verified. The novel demonstration teaching tool is provided for classroom teaching of the gear center distance severability content of an involute profile; besides, as the verification instrument is organically combined with the theoretical teaching modes of text representation and formula derivation, boring knowledge points can be displayed vividly, and the effect of classroom teaching is effectively improved.

The invention discloses an anti-suckback water quality detection pen, which comprises a detection pen body. The interior of the detection pen body is sequentially provided with a filter layer, an anti-clogging layer, a detection layer and an anti-suckback device layer, adjacent to each other. There is a buffer layer between the two layers. Beneficial effects of the present invention: through the provided detection pen body, when the tapered suction head is used as a suction detection reagent, when the detection reagent is added, the anti-suckback device can be used to avoid the suction after the suction is completed or the equipment appears. When a fault occurs, the backflow of the detection reagent is caused, which pollutes the raw materials of the detection reagent and wastes resources; in addition, through the set filter layer and the anti-clogging layer, it avoids the need to detect a large amount of impurities in the water quality, and the detection pen The main body causes blockage and damages the use of equipment. The detection pen body has a simple structure, does not need to use more testing instruments, and has high work efficiency.

The invention relates to the detection technology field, in particular to a full-automatic chemiluminiscent imaging device. Compared with the prior art, the full-automatic chemiluminiscent imaging device adopts integrated industrial design, so that the space is effectively saved; full-automatic imaging control is adopted to achieve one-click luminescence imaging operation; high-precision full-automatic exposure is adopted to achieve one-touch sample image shooting, and the image is automatically stored in U disk without setting of exposure time and all parameters of the lens, and therefore, the operation is simple; one-touch shooting can acquire multiple exposure time effect images which can be displayed in a full screen or in a split screen simultaneously, so that the observation and the comparison are convenient; the full-automatic chemiluminiscent imaging device also has a one-click printing function and can print arbitrary effect picture.

The invention relates to the technical field of computer software, in particular to a method for correcting pronunciation based on machine vision. The method comprises the following steps: S1, synchronously collecting a user pronunciation audio and a user mouth shape image in real time; S2, detecting whether the pronunciation audio of the user contains words with confusing pronunciation or not, and if so, executing S3, or if not, executing S4; S3, respectively extracting a confusing audio clip and a confusing image clip containing the corresponding time period of the words with confusing pronunciation from the user pronunciation audio and the user mouth shape image, respectively comparing a preset standard confusing audio and a preset standard confusing image with the confusing audio clip and the confusing image clip, and judging whether the pronunciation is wrong or not; S4, respectively comparing a preset standard pronunciation audio and a preset standard mouth shape image with a user pronunciation audio and a user mouth shape image, and judging whether the pronunciation is wrong or not; and S5, prompting a pronunciation error, and outputting the standard confusion audio or the standard pronunciation audio. The technical problem that confusing pronunciation cannot be corrected in the prior art is solved.

The invention discloses a comparison test device for remediation of contaminated soil by agents with different concentration ratios, the comparison test device comprises a platform and a first motor, a middle bearing of the platform is connected with a driving rotating rod, the lower side of the driving rotating rod is welded with a lower turntable, and the first motor is fixed on the upper side of the platform through bolts, and the output end of the first motor is connected with the upper end of the driving rotating rod, a first tooth block is installed on the outer side of the lower turntable, the outer side of the first tooth block is in engaged connection with a first gear, and the interior of the first gear is in key connection with a driven rotating rod. According to the comparison test device for remediation of contaminated soil by agents with different concentration ratios, the vertical movement of a baffle plate can be controlled by utilizing the rotation of an adjusting disc and the sliding and rotation of a convex block in an adjusting groove, the agents can be conveyed into measuring cylinders from discharge ports, and different amounts of agents can be conveyed into the measuring cylinders by utilizing the discharge ports distributed at different heights, and the same amount of water is added into the measuring cylinders at the corresponding positions, so that medicaments with different concentrations can be mixed.