125results about How to "Guaranteed standard" patented technology

The method includes (1) traversing entire stream file of AVS program, building indexing information for all I frames, adding the indexing information to the end of the stream file of AVS program, and loading the indexing information before playing back AVS program stream; (2) based on operations such as fast locating, scene jumping, and quick dragging operations carried out by user to determine position and time of playing point; (3) using same proportion search method to find out PS packet containing I frame nearest to the playing point so as to find out initial position and timestamp of PS packet in AVS program stream file; (4) based on time and position of I frame of playing point, system locates relevant position of the AVS program stream automatically and carries out playing back operation. Advantages are: solving pinpoint issue, and guaranteeing standard AVS program stream.

The invention relates to a dual wireless ultrasonic probe and a biological ultrasonic echo signal acquisition system. The biological ultrasonic echo signal acquisition system is characterized by comprising an ultrasonic diagnostic instrument, a wireless signal receiving module and a console for placing the ultrasonic diagnostic instrument, wherein the console is provided with a probe socket for placing the ultrasonic probe, a wireless energy emitting module corresponding to a wireless energy receiving module of the ultrasonic probe is arranged at the bottom of the probe socket, and the wireless signal receiving module receives a wireless working signal which is output by the ultrasonic probe and emitted by a wireless signal emitting module, restores the wireless working signal into an original ultrasonic signal of a tested object and inputs the original ultrasonic signal into the ultrasonic diagnostic instrument for calculation. The ultrasonic probe does not need to be connected with a lead through a charging interface in the charging process, avoids the trouble of frequently replacing batteries and continuously plugging and unplugging a charging cable when the ultrasonic probe is in use, can be charged by a user in a state without influencing the normal work and brings convenience to doctors and patients.

The invention provides a personalized garment customization plate making method, relates to the field of automatic plate making in the large-scale personalized garment customization process, and mainly solves the problem of rapid, accurate and automatic plate making under the condition of irregularly scanning a human body model. The method comprises the following steps: carrying out three-dimensional scanning of the human body and preprocessing of the mesh model; correcting the standing posture of the model; performing model regularization processing; extracting human body geometrical characteristics; performing standard meshing on the human body three-dimensional model; unfolding the basic clothes prototype; making a pattern garment cut piece plate; and carrying out online plate making server deployment. According to the method, rapid, accurate and automatic plate making of the garment customization model based on the three-dimensional human body scanning model can be achieved, manualintervention is not needed in the plate making process, and a technical solution is provided for large-scale personalized garment customization.

The invention discloses a multi-type code management system. The system comprises a predefined library used for storing predefined information of codes, a code application module used for providing a user interface and receiving information input by a user, a code generation module used for calling the predefined information in the predefined library according to the information input by the user and the predefined information in the predefined library to generate the codes, and a code library used for storing the generated codes. According to the multi-type code management system, a unified code system is adopted, so that the data processing, data exchange and data sharing efficiency of links of enterprise management, purchase, production and circulation can be improved, human errors and labor cost can be reduced, and the efficiency of industry management, market circulation and enterprise application can be improved; and the reliability, normativity and standardability of information codes are ensured, so that a good foundation is provided for information integration application and information resource sharing.

The application relates to the technical field of the motion assistance systems, more particularly to a machine-vision-based motion assistance method and system. The machine-vision-based motion assistance method comprises: step a, collecting a standard motion video of at least one posture of at least one motion item; step b: on the basis of a deep learning algorithm, constructing a tensor recurrent neural network model according to the standard action video; and step c, collecting a current motion video of a practitioner, inputting the current motion video into the tensor recurrent neural network model for identification, and displaying a standard motion video corresponding to the current motion video according to the identification result. With introduction of the deep learning algorithm, the motion identification precision is improved and the speed is increased; and no additional device needs to be worn, so that the user experience is optimized.

The invention discloses a method of document automatic generation based on the integrated enterprise model, belonging to the technical field of document management for enterprise modeling. The method is characterized in that documents are created in the computer to form a database which comprises attribute tables of text, diagrams and directory template, document template tables of attribute, format and structure, document attribute tables and content tables of text and diagrams and is used for managing the document template and the document information and content; the document automatic generation is realized in turn by the following steps: creating, maintaining and publishing a document template; creating a document and editting the document content; and automatically generating a document. The invention guarantees the normative, uniformity and standard of the document by a compulsory use of a document template, and improves the consistency between the document and the enterprise model and normatively saves the enterprise-modeling-related document, providing a reference for enterprises informatization.

The invention belongs to the technical field of material mixing devices and in particular discloses a heat-preservation material mixing device which comprises a crushing part, a conveying part and a mixing part, wherein a first crushing roller and a second crushing roller are arranged inside a crushing bucket to crush raw materials; the first crushing roller, the second crushing roller, connectingrods and sliding blocks form a bias crankshaft sliding block mechanism; a filtering net is arranged between the two sliding blocks; a material circulation hole is formed in a side wall when the sliding blocks are moved to a lowest point; a circulation bucket with spiral conveying blades is mounted outside the material circulation hole; the circulation bucket is communicated with the upper part ofa crushing bucket; the conveying part is communicated with the lower end of the crushing part; the conveying part comprises a conveying bucket; a second feeding hole and shifting blades are arrangedinside the conveying bucket; the mixing part is communicated with the conveying part; the mixing part comprises a mixing bucket; stirring blades and a discharge hole are arranged inside the mixing bucket. By adopting the scheme of the invention, the problems that heat-preservation materials are not uniformly mixed and the stirring time is too long, are solved.

The invention discloses a relational database-based power grid CIM model data storage method. The method comprises the steps of (1) establishing class and attribute mapping; (2) establishing inter-class relationship mapping of a model; (3) establishing a data maintenance method; and (4) establishing a topology maintenance method. Through the method, object-oriented CIM model data is mapped into a relational database mode for storage, and the relational database mode is matched with a relational database used by most power systems at present, so that efficient storage is realized on the premise of ensuring CIM model data integrity, all power grid model data including a complex model object can be stored, the data storage and access efficiency is high, the standardability and maintainability of model data storage are well ensured, the extension is easy, and the maintenance efficiency of power grid resource data is improved.

The invention discloses a method for managing an engineering site based on unmanned vehicle aerial photography and a building information model, and the method comprises the steps: firstly building athree-dimensional building information model of the engineering site, and building engineering construction stage progress models of different stages according to an engineering progress plan and an actual completion condition; a timing unmanned aerial vehicle aerial photography system is established, and the standardization and effectiveness of aerial photography are guaranteed; performing three-dimensional display on the progress condition of the building information model; and inserting the aerial photo into an engineering construction stage progress model, adjusting the position size to enable the image to be aligned with the model, finishing an engineering site construction management model for engineering site management, and implementing monitoring management of an engineering construction site according to the model. According to the method, the aerial photography of the unmanned aerial vehicle and the building information model are combined, the same-platform browsing of the aerial photography of the unmanned aerial vehicle and the building information model is realized, the correspondence between the aerial photography of the unmanned aerial vehicle and the spatial position of the building information model is ensured, and the real-time monitoring of an engineering site construction process is realized.

The invention discloses a novel coronavirus 2019-nCoV nucleic acid kit and a virus nucleic acid acquisition method. The method comprises the following steps: according to novel coronavirus 2019-nCoV ORF1ab and an N gene as amplification target areas, designing specific primers and fluorescent probes for detecting novel coronavirus 2019-nCoV nucleic acid in samples; and performing Digital PCR (polymerase chain reaction) absolute quantification on 2019-nCoV nucleic acid RNA (ribonucleic acid) by using a one-step method by using a prepared Super premix reaction liquid A together with Super premixreaction liquids B and C, and performing Digital PCR detection on RNA of a diluted positive virus sample. The kit and the method have the beneficial effects that by using the novel virus nucleic acidacquisition method, and together with a Digital PCR probe method, the nucleic acid positive detection rate of infection of the novel coronavirus 2019-nCoV can be increased, the process is ensured tobe specified and standardized, the influence of artificial non-standard operation upon detection results can be reduced, result reliability can be ensured, and meanwhile, false negative results causedby detection of sputum and throat swab sampling together with real-time fluorescent PCR methods can be avoided.

The invention provides a mould made for simulating multi-scale natural rock structure surfaces and used for making samples of the natural rock structure surfaces. The mould comprises a bottom plate and a fixed side plate, the bottom plate comprises a lower platform and a side wall perpendicular to the lower platform, the fixed side plate is perpendicularly and detachably fixed on the bottom plate and is perpendicularly connected with the side wall, the mould further comprises a moving side plate, the moving side plate is perpendicularly and detachably fixed on the bottom plate and is perpendicularly connected with the side wall, the mould further comprises an inserting plate, two opposite ends of the inserting plate are perpendicular to each other and are respectively perpendicularly and detachably connected with the fixed side plate and the moving side plate, and each of the side wall and the fixing side wall is provided with a level thereon. The mould has the advantages that the side plates are detachably connected and fixed, and size of the space in the mould can be accurately controlled; the mould has a further function of level regulation, the rock samples of different specifications are made, and various requirements of research experiment on the rock structure surfaces are met.

The invention discloses an automatic laminating machine of keyboard thin film. The automatic laminating machine comprises a machine base, a keyboard thin film printing device is fixedly installed on atop plane of the machine base, and a separating mechanism for the keyboard thin film is arranged at one side of the keyboard thin film printing device; a keyboard thin film assembling device is arranged right ahead of the keyboard thin film printing device, the separating mechanism for the keyboard thin film is arranged right in the side direction of the keyboard thin film assembling device, anda keyboard silicon rubber key feeding device is arranged right ahead of the keyboard thin film assembling device. According to the automatic laminating machine of the keyboard thin film, the automatedoperation from material suction to assembly can be completed, mechanical automation work is conducted in the whole process, and the unified standard and stability are effectively guaranteed; it is only required that film baseboards are loaded into a feeding end of the machine manually in batch, and a jig is put into the end which needs to be laminated with keys; the labor intensity of operators in the whole process is reduced, the working efficiency is improved, and the operators simply need to conduct feeding on time, and take out the jig at the rear end to collect the laminated products.

The invention discloses an OpenWrt-based cloud interactive gateway, a communication method and a smart home system. The OpenWrt-based cloud interaction gateway is composed of a smart home cloud platform, a gateway body and a local device. The gateway body includes a gateway core board and a plurality of connection nodes; the gateway core board based on an embedded OpenWrt system includes a connection node driving program module for carrying out data interaction with the connection nodes through USB interfaces, a MySQL local database that is used for storing local device data, working in a server side mode, and receives a data access request of a client, cloud platform plug-in program modules being responsible for cloud platform login, authentication, and uplink and downlink data transmission, and MySQL access clients that is used for realizing data record access by using an API interface function based on the C language and the SQL statement, carrying out communication with the cloud platform plug-in program modules and the connection node driving program module respectively through socket, and completing data transmission and state feedback. The gateway has high compatibility andscalability.

The invention discloses a vehicle-mounted full-automatic tunnel surrounding rock coring system and method. The vehicle-mounted full-automatic tunnel surrounding rock coring system comprises a vehicle, a vertical hydraulic rod is arranged on the vehicle, a horizontal hydraulic rod is arranged on the vertical hydraulic rod, and rock coring devices are correspondingly arranged at the two ends of the horizontal hydraulic rod; the coring devices comprise motors, coring drill rods, coring barrels, threaded rods and springs; the motors drive the coring drill rods to rotate, the coring drill rods sleeve the coring barrels, the head ends of the coring barrels are connected with the head ends of the coring drill rods through the springs, the threaded rods are fixed to the head ends of the coring drill rods in the axis direction of the coring drill rods, internal threads are arranged at the head ends of the coring barrels, and the threaded rods are matched with the internal threads; and drill bits are mounted at the tail ends of the coring drill rods. The vehicle-mounted rock core drilling work is automatically completed, so that the working efficiency is improved, and the safety of construction personnel is indirectly guaranteed; and expansion nails do not need to be driven in, most of manpower is saved, stability of rock core sampling is achieved through the hydraulic rods and a vehicle, and rock cores with regular and standard shapes are easy to obtain.

The invention discloses a control method, a control device and a control system for automatic stacking of a stacker. The control method for the automatic stacking of the stacker comprises the steps of receiving an automatic stacking command, controlling a big arm of the stacker to nose up by a predetermined height under the condition that height of the last stack among the stacks which are stacked by the stacker reaches to a predetermined height, controlling the stacker to travel in the second direction opposite to the first direction under the condition that the height of the stack reaches to a second predetermined height, controlling the big arm of the stacker to nose up to a predetermined height under the condition that the stacker reaches to a predetermined position, controlling the stacker to travel towards the first direction under the condition that the height of the present stack reaches to a third predetermined height, and controlling the stacker to return to the position of the last stack. Stacking is carried out when the big arm of the stacker noses up and then the stacker travels.

The invention discloses a physical training exercise device based on a small figure, wherein the physical training exercise device comprises a fixed seat, and a leg position adjusting and fixing mechanism is arranged at the edge part of the top end of the fixed seat; the leg position adjusting and fixing mechanism comprises sliding grooves, a T-shaped sliding block, a limiting rod, a limiting spring, a limiting column, a limiting groove, a fixing column, a U-shaped column, a supporting column, a fixing bolt, a square block, a limiting disc, a supporting rod, a rubber column and a supporting plate, and the sliding grooves are formed in the two sides of the fixed base. Through the leg position adjusting and fixing mechanism, athletes can conveniently adjust the positions and heights of the U-shaped column and the supporting rod, so that the U-shaped column and the supporting rod can fix the leg positions of the athletes with different thicknesses and leg lengths, and the phenomenon thatthe training action is not standard due to leg movement when the athletes do sit-up training is avoided; therefore, the standard type of athlete training is guaranteed, and the application range of the exercise device is widened.

The present invention discloses an automatic jam applying device for mass production of baked products. The automatic jam applying device comprises a fixed support frame; the fixed support frame is fixedly connected with a funnel-shaped jam bucket through an annular fixator; the bottom end of the funnel-shaped jam bucket is provided with a material discharge pipe; besides, the material discharge pipe extends through the inner wall of the fixed support frame and extends to the outside of the bottom end of the fixed support frame; the one side bottom end outer wall of the fixed support frame isfixedly connected with a first positioning support rod; the bottom end of the first positioning support rod is rotatably connected with a second positioning support rod through a first rotating connecting shaft; and an even applying device is fixedly connected with one end of the second positioning support rod far away from the first positioning support rod. The present invention relates to the technical field of food machinery related devices. The automatic jam applying device for the mass production of the baked products can automatically perform quantitative jam adding and uniform applying,has a relatively high degree of standardization, and at the same time improves the production efficiency of the packaged bread products.

The invention discloses stand column type physical bodybuilding equipment with a testing device. The equipment comprises two symmetrically-arranged stand columns, supporting bases, a horizontal bar, stationary rings and the testing device. The bottoms of the two stand columns are sleeved with the supporting bases. Each stand column comprises a lower support and an upper support, wherein the upper support is connected to the lower support in a height-adjustable mode through a bolt arranged on the upper portion of the lower support. The horizontal bar is fixedly connected with the two stand columns. The testing device comprises a counter, a neck ring with a sensing module, a display screen and a voice module, wherein the display screen and the voice module are connected with the counter. The display screen and the voice device are arranged on the upper support on one side. Rolling wheels are provided with ropes. One end of each rope is provided with a retaining ring, and the other end of reach rope is connected with a weight block. The ropes are wound around the rolling wheels. The stand column type physical bodybuilding equipment is adjustable in height and weight, one bar has multiple purposes, counting is achieved through sensing of the neck ring worn on the neck of a trainee and provided with the sensing module, and the standard of actions of the trainee can be ensured.

The invention discloses automatic pasting and scanning equipment of embryos bar codes. The equipment comprises a PLC, a frame, and a bar code conveying and scanning unit and a bar code pasting unit arranged on the frame; the bar code conveying and scanning unit includes a feeding mechanism, a label stripping mechanism, a bar code storage table, a scanning module, a label detecting mechanism, a collecting mechanism and a guide mechanism; the bar code pasting unit includes a rotating cylinder, an extension cylinder fixedly connected with a cylinder rod of the rotating cylinder, and a bar code picking / releasing part fixedly connected with a cylinder rod of the extension cylinder; the collecting mechanism is connected with a driving motor for driving the collecting mechanism to collect materials; and the scanning module, the label detecting mechanism, the rotating cylinder, the extension cylinder, the bar code picking / releasing part and the driving motor are electrically connected with the PLC. The equipment has the beneficial effects of possession of automatic identifying and control capacity, guarantee accurate embryos production, possession of material identifying capacity, verification of material information and possession of a control operation step.

The invention discloses an automatic counting horizontal bar. The automatic counting horizontal bar comprises two stand columns, a cross bar between top ends of the two stand columns, a Hall counter, and an induction module which is inductive to the Hall counter, wherein the Hall counter is arranged on the front middle portion of the cross bar. The automatic counting horizontal bar is capable of automatically performing counting through induction so that accuracy of exercise postures can be guaranteed while users can concentrate on exercises.

The invention relates to the technical field of information, in particular to a method and a system for equipment technology guidance for mechanical industrial equipment. The method for equipment technology guidance comprises the following steps of: 1, performing electronic digitization on the equipment according to a disassembly and assembly technology database; 2, establishing a disassembly and assembly technology knowledge base according to the electronic digitized information; and 3, displaying disassembly and assembly technology information of the equipment. Simulation guidance of an equipment disassembly and assembly technology is realized by three-dimensional modeling and 3D rendering technology. Compared with the conventional plane abstracting guidance mode, the invention has the advantages that the method and the system are intuitive and clear and can improve the learning efficiency by more than 30 percent; and by a three-dimensional disassembly and assembly technology simulation guidance mode, accuracy and effectiveness of technology guidance can be ensured, and precious technical experience and abstract technical difficulty are reserved and inherited.

The invention discloses a content-based grading data verification method. The method comprises the specific steps that an SDK client obtains an avro schema of a message; the SDK client performs first-priority verification on the message; an SDK server receives the message and generates a corresponding XML according to a structure defined by an interaction norm; a task is started to acquire the message in an MQ, and further verification is performed according to a verification schema. The method has the advantages of being convenient and visual and guaranteeing data integrity, accuracy and standardability through two-level verification.

The invention relates to a cloth cutting device for mask production and with a secondary disinfection function. The cloth cutting device comprises a machine body and a cutting table. A water box is mounted at the bottom of the machine body. A partition plate is mounted at the tops of heating wires. A water inlet is mounted at the top of the water box. An air outlet pipe is mounted at the top of the water box. A first connecting rod, a second connecting rod and a third connecting rod are mounted on the two sides in the machine body. A first rotating shaft is mounted at the top of the first connecting rod. Cloth is placed on the surface of a first rolling wheel. A second rotating shaft is mounted at the top of the second connecting rod. First electric heating wires are mounted in the first rolling wheel and a second rolling wheel. A lampshade is mounted at the bottom of each lamp support. Size plates are mounted at the top of the cutting table. A conveying belt is mounted on the outer portions of fifth rolling wheels. A disinfection cabinet is mounted on the side face of the cutting table. By means of the design of a detachable material containing layer, materials can be stored conveniently; and by means of the grid-shaped design, water vapor can penetrate through a grid to be in contact with the cloth, and materials can volatilize conveniently.

The invention discloses an upright quilter movement feeding device, which comprises a cloth vertical transmission assembly, a cloth horizontal movement assembly and a lower cross beam assembly. The cloth vertical transmission assembly is connected with the cloth horizontal movement assembly through an air spring; and in addition, a slide block for the vertical transmission assembly and a slide block for the horizontal movement assembly are connected with the lower cross beam assembly, and can be moved along the lower cross beam assembly. After cloth is output through an upright feeding rack, a movement direction of the cloth is changed to be horizontal through the cloth horizontal movement assembly, the cloth is then flattened and is conveyed to the cloth vertical transmission assembly, a movement direction of the cloth is changed to be vertical again, and the cloth is tensioned and conveyed to an upright quilter at a certain speed for feeding. According to the upright quilter movement feeding device, a traditional planar feeding manner is changed to be three-dimensional, so that the occupied area can be reduced, the transportation and the packaging are convenient, the quilting quality is improved, and thicker fabrics can be conveyed to the quilter.

The invention discloses a famous high-quality tea tender shoot recognition and picking point positioning method based on machine vision. The method comprises the following specific steps: step 1, making an original data set of famous high-quality tea tender shoots; step 2, training an original data set, solidifying obtained parameters into a model after training is finished, and outputting the model; step 3, acquiring a test image of famous high-quality tea tender shoots, inputting the test image into the model output in the step 2, and outputting a prediction frame and two-dimensional mask information of the tea tender shoots in the test image; step 4, acquiring areas of different connected domains in the two-dimensional mask information, calculating a minimum enclosing rectangle of a maximum connected domain, acquiring a rotation angle of the minimum enclosing rectangle, taking the rotation angle of the minimum enclosing rectangle as a bud axis direction, and acquiring a cutting angle along the tangential direction of the bud axis; 5, taking 2% of the position from bottom to top along the bud axis as a picking point. An instance segmentation algorithm is used to directly output a mask region of a tender shoot through deep features between model learning pixels, and tea bud edge extraction is accurate.

The invention provides a production technology for electronic grade cerium ammonium nitrate, and belongs to the field of chemical product manufacturing. The technology comprises the following steps: (1) dissolving a raw material cerium carbonate to form a solution 1, adjusting the solution 1 to be acidic in order to obtain a solution 2, and carrying out a heat insulation reaction for 20-25 min; (2) further adding cesium carbonate to reversely adjust the pH value, and then adjusting the pH value with an aqueous solution of ammonium hydrogen carbonate to obtain a trivalent cerium solution; (3) filtering the trivalent cerium solution obtained in step (2) to obtain a purified filtrate; (4) heating the filtrate obtained in step (3) to carry out evaporative concentration in order to obtain a concentrate; (5) carrying out cooling crystallization on the concentrate obtained in step (4), carrying out centrifugal dehydration to obtain cerium nitrate crystals, and recrystallizing the cerium nitrate crystals; (6) dissolving the high-purity cerium nitrate crystals obtained in step (5); and (7) carrying out oxidative precipitation, plate and frame filtration, dissolution, filtration, evaporatingcrystallization, centrifugal dehydration and packaging on a cerium nitrate solution obtained in step (6) to obtain the electronic grade cerium ammonium nitrate product. The yield is higher than 98%,the ratio of CeO2 / TREO is equal to or more than 99.995%, and the content of metal impurity ions is less than 200 ppb.

The invention relates to the technical field of laser ranging and especially relates to a full-automatic MSA measuring tool for a laser on-line thickness gauge and an inspection method thereof. The measuring tool comprises a clamp set installed on the laser on-line thickness gauge, the clamp set is a standard thickness gauge block clamp set, and at least four standard thickness gauge blocks with different thicknesses are installed in the standard thickness gauge block clamp set. The measurement can be rapidly completed according to an MSA evaluation standard and method, and the consistency andstandardization of measurement precision inspection are guaranteed.

The invention discloses a large-batch steel paint spraying integrated machine. The large-batch steel paint spraying integrated machine comprises a base. The base is provided with a paint spraying mechanism and an adjusting mechanism. The paint spraying mechanism is jointly composed of a support, two sets of rectangular through holes, a set of racks, rectangular covers, limiting switches, a paint sprayer, through holes A, two sets of synchronous rotation motors, gears and signal receivers. The support is fixedly arranged on the upper surface of the exterior of the base, the two sets of rectangular through holes are formed in the surfaces of the opposite sides of the support, the set of racks are inserted in the two sets of rectangular through holes, and the rectangular covers are fixedly arranged on the racks. The limiting switches are arranged at the two ends of each rack in the set of racks. The paint sprayer is arranged on a support of the set of racks. The through holes A are formed in the surfaces of the opposite sides of the paint sprayer. The two sets of synchronous rotation motors are arranged in the paint sprayer, and the rotation ends of the two sets of synchronous rotation motors penetrate the through holes A and extend out of the paint sprayer. The gears are fixedly arranged at the rotation ends of the two sets of synchronous rotation motors. The signal receivers are arranged in the two sets of synchronous rotation motors. A controller is arranged on one side of the base and electrically connected with the paint spraying mechanism and the adjusting mechanism. The large-batch steel paint spraying integrated machine has the beneficial effects of being simple in structure and high in practicability.

The invention discloses a hollow cylindrical sample preparation device for microorganism solidified sandy soil and a use method thereof. The device comprises a base, an inner cylinder, an outer cylinder and an injection cap, the inner cylinder, the outer cylinder and an annular support seat are utilized to form a sample bin, and an injection channel and a liquid discharge groove are utilized to ensure injection and discharge of a liquid; mould cylinders used by the inner cylinder and the outer cylinder are spliced by adopting ''V''-shaped bayonets, and iron rods penetrate through traction holes in small petals of the inner cylinder so that disturbance to a hollow cylindrical sample is effectively avoided, and the standard size of the hollow cylindrical sample and the reliability of the test are ensured; and the technical problems that a bacterial liquid and a reaction liquid cannot be discharged in the preparation process of the hollow cylindrical microorganism solidified sample and disturbance is large during sampling are effectively solved, the integrity of the sample is guaranteed, and the reliability of an experimental result is improved.

The invention provides a method, device and system for mapping publishing house information according to ISBN prefixes, and aims at solving low efficiency and human resource waste caused by artificially filling and proofreading publishing house information, and ensuring the correctness of the publishing house information. The method comprises the following steps of: storing a corresponding relationship between one or multiple ISBN prefixes and publishing house information; loading the ISBN prefixes into a tree structure to construct a search tree; obtaining an externally input book number andoriginal publishing house information, and matching the book number with the search tree so as to obtain a book number prefix of the book number; and querying publishing house information from the corresponding relationship according to the book number prefix, and updating the original publishing house information by utilizing the queried publishing house information.