Road disease uniqueness identification method based on machine vision

The invention relates to the technical field of data processing, and discloses a road disease uniqueness identification method based on machine vision, which structurally comprises a visual identification system and a laser identification system, and performs identification and data acquisition on diseases on a road through the two systems. Image pixel coordinates of the marking points and physical coordinates of the corresponding motion positioning platform are used as data to be uploaded to a computer, and unique marking of the road diseases is completed through a calibration algorithm program. The computer analyzes the uploaded road disease information according to the preset image data, missed marking and wrong marking are greatly reduced, the disease data can be uploaded more accurately and timely, the potential safety hazard of the road is reduced, the uploaded road disease can be found autonomously, the cost is greatly saved, and meanwhile, the road disease detection efficiency is ...

喷嘴（低温消音等离子直喷型）

Single-drive intermittent electric rotary clamping jaw

The invention discloses a single-drive intermittent electric rotary clamping jaw which comprises a motor, a lead screw, an inner threaded sleeve, a planetary transmission mechanism, a clutch mechanism, a linkage mechanism and a plurality of flexible jaw fingers. The lead screw is fixed to the output end of the motor, the internal thread sleeve is in threaded connection with the lead screw, the internal thread sleeve, the linkage mechanism and the flexible claw fingers are sequentially connected, the multiple flexible claw fingers are installed at one end of the planetary transmission mechanism in an overturning mode, and the clutch mechanism is used for connecting the internal thread sleeve with the planetary transmission mechanism. By imitating the principle that a bottle cap is screwed manually, clamping and rotating are achieved only through one motor, space and economic cost are greatly saved, the problem that a mechanical arm cannot reach a workpiece in a small space is creatively ...

DATA PROCESSING METHOD AND DEVICE

A data processing method and device. The method comprises: based on an operator network, collecting related data of all mobile terminal users having activities in a designated region within a designated time period; according to the related data of the mobile terminal users, performing mining and analysis on feature attributes of all the mobile terminal users; and reflecting motion tracks and user distribution density of mobile terminal users having designated feature attributes on a map in a visualization manner. By means of the method and device in the embodiments of the present invention, the activity region information about a target user group can be well defined.

METHOD AND DEVICE FOR ANALYZING USER ATTRIBUTE

Disclosed are a method and device for analyzing a user attribute. The method comprises: within a predetermined time interval, collecting residence information about a mobile terminal which has resided in a predetermined geographic region; and judging whether the residence information reaches a predetermined residence information standard, and in the case where a judgement result is yes, determining that a user using the mobile terminal conforms to a user attribute of the predetermined geographic region. By means of the present invention, the effect of subclassifying a user using a mobile terminal is achieved.

Reduce balancing piece installation hole -edge stress 's installation limit structure

... 本实用新型涉及航空发动机转子动平衡领域，具体涉及一种降低平衡块安装孔边应力的安装边结构。本实用新型通过在平衡块安装边增开花边的形式，使得平衡块安装孔边应力降低，从而提高安装边的使用寿命，为发动机平衡块安装孔应力大、寿命低的问题提供了行之有效的技术解决途径。本实用新型通过在平衡块安装边增开花边的形式，可以降低平衡块安装孔边应力，从而提高安装边的使用寿命。本实用新型尤其适用于平衡块安装孔周向间距较大孔边应力较高的情况。 ...

Method for rapidly detecting molybdenum content in uranium-molybdenum alloy

The invention relates to the field of chemical detection, in particular to a method for rapidly detecting the content of molybdenum in uranium-molybdenum alloy. The detection method comprises the following steps: S1, cleaning the surface of a uranium-molybdenum alloy sample; s2, the cleaned uranium-molybdenum alloy sample is dissolved in mixed acid, heating treatment is conducted after dissolution, a sample solution is made to be bright yellow, and a solution to be detected is obtained after dilution; the mixed acid is a mixture of nitric acid and hydrochloric acid; s3, determining a working standard solution and a reference standard sample on an X fluorescence spectrometer to establish an application method, then determining a blank solution and a to-be-determined solution in sequence, respectively determining the concentrations of the molybdenum element in the blank solution and the to-be-determined solution by a standard curve method, and calculating to obtain the content of the molybdenum ...

Egg frying device

... 本实用新型提供种煎蛋器，其包括模具体、与模具体连接的手柄、以及覆盖所述模具体的盖子，其中所述模具体为环状物，所述模具体的下端的形状与其被放置的锅体底部的形状相适应。本实用新型的煎蛋器，结构简单、成本低，可以提高煎蛋效率。 ...

Cannon body axial position conversion and positioning device and conversion positioning method

According to the cannon body axial position switching and positioning device and the positioning switching method, a core rod-shell-pin shaft-adjusting shim-leaf spring-pull ring structure is adopted, and after the pull ring is pulled and rotated in place during operation, the core rod-shell-pin shaft-adjusting shim-leaf spring-pull ring structure is pulled and rotated in place without external force, so that the axial position of the cannon body can be switched, and the axial position of the cannon body can be switched. False operation is avoided, and the gun body can be quickly switched among three different state positions, namely the zero position, the front position and the rear position. When the artillery body is switched among different state positions, the artillery body is positioned by the positioning surface on the core rod, so that the phenomenon that the artillery body needs to move back and forth due to difficulty in alignment of positioning hole positions is avoided, the ...

Knowledge graph construction method and system for manufacturability inspection

The invention discloses a knowledge graph construction method and system oriented to manufacturability check, and belongs to the technical field of product manufacturability check, and the method comprises the following steps: removing contents which do not contain manufacturability check information from a manufacturability check text to obtain a preprocessed text; based on a Bi-LSTM-CRF model, identifying named entities related to manufacturability inspection from the preprocessed character sequence, and obtaining knowledge graph entity nodes; performing triple extraction based on dependency syntactic analysis, and establishing a correct relationship between entities; and constructing a knowledge graph through the extracted triple, embedding the entity description text into the knowledge graph to realize entity fusion, and obtaining a final manufacturability inspection knowledge graph. According to the manufacturability inspection knowledge graph constructed by the method, a knowledge ...

Numerical control machining process parameter optimization method and system based on hybrid heuristic algorithm

The invention discloses a numerical control machining process parameter optimization method and system based on a hybrid heuristic algorithm. The parameter optimization method comprises the following steps: S1, selecting a design variable; s2, establishing a target function; s3, establishing constraint conditions; s4, processing constraint conditions; s5, solving the optimization model; according to the method, a hybrid heuristic algorithm is mainly adopted to carry out optimization solution on numerical control machining process parameters, and the hybrid heuristic algorithm is carried out by combining two types of meta-heuristic algorithms, namely an improved differential evolution algorithm of multiple test vectors based on sorting and an improved cuckoo algorithm, in the separation and updating process of populations. Therefore, the balance between global search and local search is enhanced, the machining efficiency of numerical control machining is greatly improved, and the machining ...

Nucleic acid preserving fluid for female genital tract sample as well as preparation method and application of nucleic acid preserving fluid

The invention relates to a female genital tract sample nucleic acid preserving fluid as well as a preparation method and application thereof. The nucleic acid preserving fluid comprises sodium chloride, ethylenediamine tetraacetic acid, disodium hydrogen phosphate, potassium chloride, monopotassium phosphate, triton X-100 and absolute ethyl alcohol. The nucleic acid preserving fluid can be used for preserving and transporting female genital tract samples, can maintain the completeness of viral nucleic acid of cervical exfoliated cells and infected cells under normal temperature, low temperature and even relatively high temperature conditions, and can effectively guarantee the variety and abundance of microorganisms in the samples. On one hand, HPV-DNA detection is facilitated, and on the other hand, diversity research of genital tract flora is facilitated, diagnosis and treatment of related gynecological diseases are assisted, reproductive health of vast women is guaranteed, and the fertility ...

Electricity larceny prevention intelligent electric meter box

The invention relates to the technical field of electric meter boxes, and discloses an electricity larceny prevention intelligent electric meter box which comprises a box body unit which comprises an outer box body, a box cover hinged to the side wall of the outer box body and an electric energy meter arranged in the outer box body. The locking unit comprises a plug-in assembly and a limiting assembly, the plug-in assembly is arranged on the side wall of the box cover, the limiting assembly is arranged on the side wall of the opening of the outer box body, and the electromagnet is matched with the limiting assembly; the protection unit is arranged in the inner cavity of the outer box body and comprises a protection circuit and a monitoring element connected with the protection circuit; according to the meter box unit, the improved protection unit can be conveniently applied to an existing meter box structure; the additionally arranged locking unit has an excellent locking effect by adding ...

Shaft hole fit tolerance modeling method based on spinor model

The invention discloses a shaft hole fit tolerance modeling method based on a spinor model, and belongs to the technical field of mechanical assembly. According to the method, in order to analyze the matching deviation in the part assembling process, a spinor model is used for expressing the tolerance variation of relevant geometrical characteristics of parts, and a tolerance model is constructed; a spinor characteristic change range under the influence of a position tolerance constraint, a direction tolerance constraint and a shaft-hole clearance fit deviation combination of cylinder characteristics is researched, a shaft-hole clearance fit tolerance model is established, prediction and judgment of product performance in a shaft-hole fit assembly mode are improved, and the method can be used for tolerance analysis of shaft-hole assembly working conditions and has a good application prospect. The method has the characteristics of simple mathematical expression and quantitative calculation ...

Cultivation method for improving fruiting body quality of stropharia rugoso-annulata

The invention discloses a cultivation method for improving the quality of fruiting bodies of stropharia rugoso-annulata, which comprises the following steps: 1) preparation of fruiting compost: uniformly mixing 15-35% of cotton residue, 25-35% of sawdust, 15-30% of rice chaff, 10-30% of corncob and 1% of lime for later use; 2) composting fermentation; 3) secondary fermentation in a greenhouse; 4) sowing; 5) spawn running; (6) earthing; 7) bud pressing; (8) cultivating mushrooms, after mushroom buds are formed, controlling the air temperature in the mushroom house to be reduced to 13-15 DEG C, maintaining the material temperature to be 15-16 DEG C, and cultivating sporocarp to grow; and 9) when the sporocarp grows to be 70-80% mature and the mushroom body is 4.5-5.5 cm high, timely harvesting to obtain the stropharia rugoso-annulata. According to the scheme, cotton residues and wood chips are adopted as fruiting culture materials, after mushroom buds are formed, the air temperature of a ...

Novel cavity slip casting anchor rope

... 本实用新型公开了种新型中空注浆锚索，包括锚索索体，锚索索体内下端设置有注浆钢管，上端设置有注浆塑料管；注浆钢管和注浆塑料管内均设置有导气管；所述锚索索体下端还设置有托盘，托盘下方设置有锚具；所述注浆钢管下方在锚索索体上设置有注浆孔，所述注浆塑料管上端与锚索索体上端相邻位置上均开有出浆孔，所述锚索索体上端还固结有支撑钩。可以利用浆液封堵围岩裂隙，隔绝空气，防止围岩风化，且能防止围岩被水浸湿而降低围岩的本身强度。注浆后使得作用在顶板上的垂直载荷能有效地传递到两帮，又能保持顶板的稳定。 ...

Medical insurance intelligent management method, system and device and medium

The embodiment of the invention provides a medical insurance intelligent management method, system and device and a medium. The method comprises the following steps: acquiring doctor seeing hospital information and insured information of a patient; determining a medical insurance problem of the patient based on the doctor-seeing hospital information and the insured information; based on the medical insurance questions, at least one answer item is pushed to the patient, and the at least one answer item at least comprises the medical insurance questions and medical insurance policies corresponding to the medical insurance questions; and based on the at least one solution item, determining at least one read solution item of the patient, and recommending a medication scheme of the patient to a doctor. The medical insurance intelligent management system comprises an acquisition module, a determination module, a pushing module and a recommendation module. The method can be realized through a ...

Specific marker related to section silk gland ring of bombyx batryticatus, screening method and quality detection method of bombyx batryticatus

The invention provides a specific marker related to a section silk gland ring of stiff silkworm, a screening method and a quality detection method of the stiff silkworm, and belongs to the field of quality detection of traditional Chinese medicinal materials. According to the invention, beauveria bassiana, hypoxanthine and astragalus smicus glycoside are used as markers. According to the method, the correlation between the stiff silkworm fracture surface silk gland ring and the quality is defined, the quality evaluation method related to the stiff silkworm medicinal material fracture surface silk gland ring is provided, the quality of the stiff silkworm medicinal material is comprehensively evaluated from multiple indexes, the operability is high, and the scientificity of the stiff silkworm medicinal material of distinguishing the shape and the quality is reflected.

Rim lead structure for multi-stage turbine blade dynamic stress measurement and design method

The invention relates to the technical field of aero-engines, and discloses a rim lead structure for multi-stage turbine blade dynamic stress measurement and a design method.The rim lead structure avoids the problem that a turbine blade dynamic stress measurement lead path bypasses a disc center or a hole is formed in a wheel disc spoke plate by forming a threading hole in a turbine disc rim protruding block; not only can the failure probability of the lead be greatly reduced, but also the strength and the service life of the wheel disc can meet the requirements, and the threading holes are easy to machine and form.

Rotary -type for radar signal wave control cold drawing

... 本实用新型涉及冷板技术领域，尤其是旋转型雷达用信号波控冷板，该冷板包括板体、循环管、水泵和水槽，板体上端设有循环管，循环管中间与水泵相连，水泵与水槽相连，循环管为环形管，循环管的圈中通过支管与水泵两侧相连通，水泵上端与转动电机相连，转动电机上端与板体两侧固定连接，水槽内设有液态氮，转动电机上端通过横杆与板体两端固定连接，水泵两端通过支架与循环管固定连接，板体上端设有散热孔，该冷板能够在利用循环制冷的同时，还可以增加板体的散热面积，制冷效果好，且耗电较小，低碳环保。 ...

Combined main blade structure of splicing machine

The invention discloses a combined main blade structure of a splicing machine. The combined main blade structure comprises a bearing structure, an adjusting and fixing structure and a scraper structure, the adjusting and fixing structure is detachably arranged on the bearing structure, and the scraper structure is detachably arranged on the adjusting and fixing structure. The invention relates to the technical field of flakers, the number of installed blades can be adjusted through the bearing structure according to the length of an equipment rotary drum, namely, the distance between the blades is relatively adjusted; the bearing cutter body can be conveniently installed through the adjusting and fixing structure, the cutter body can be conveniently detached and replaced, and meanwhile cutter bodies with different lengths can be replaced according to requirements to be used in cooperation with the bearing structure. In addition, the inclination angle of the cutter body can be adjusted to ...

DOUBLE-CROSS COMPOSITE FABRIC MEMBRANE BIAXIAL TENSILE STRENGTH TEST PIECE AND MANUFACTURING METHOD THEREOF

A double-cross composite fabric membrane biaxial tensile strength test piece, comprising a core region (1) and four cantilevers (2), wherein the four cantilevers (2) extend outwards around the core region (1) and form a cross shape, each cantilever is connected to the core region (1) through an edge transition region (5), the end of the cantilever is a clamping section (3), the clamping section (3) is provided with a clamping end rubber rod (4), and the clamping end rubber rod (4) is used for connecting a clamp of a biaxial tensile testing machine; and wherein the clamping section (3) is three-layered, the cantilever and the edge transition region (5) are double-layered, the core region (1) is single-layered, and the edge transition region (5) is a quadrangle rounded at four corners. A method for manufacturing the test piece is also disclosed. By means of the method, the biaxial tensile strength of the fabric film can be determined and characterized, wherein damage occurs in the single-layered ...

Multi-gear accelerated shell ejection device

In order to effectively solve the problem of jam of a shell-throwing guide inner cartridge case during low-shooting-speed shooting of a rotating tube type artillery, the invention provides a multi-gear accelerated shell-throwing device which can be matched with corresponding shell-throwing speeds according to shooting speeds of different gears and can ensure that the shell-throwing speed is kept at a high speed under multi-gear shooting speeds, so that smooth shell-throwing is ensured. An ordinary gear train is formed by the input shaft, the cylindrical gear, the first duplicate gear, the second duplicate gear and the elliptical gear, and transmission keys on the output shaft are combined with different gears to select different transmission routes through axial front and back movement of the output shaft, so that selection of transmission ratio gears is realized; the rotating speed of the shell-throwing claw shaft which is coaxially butted with the output shaft and synchronously rotates ...

Non-full pipe electromagnetic flowmeter

The utility model provides a non-full pipe electromagnetic flowmeter which is erected at a first fixed end and a second fixed end of the inner wall of an open channel, and comprises a bidirectional telescopic rod which is transversely arranged on the inner wall of the open channel and is arranged perpendicular to the direction of water flow, and movable ends are arranged at the two ends of the bidirectional telescopic rod; the two ends of the bidirectional telescopic rod are fixedly connected with the first fixed end and the second fixed end respectively; the second telescopic rod is fixed at the lower end of the bidirectional telescopic rod; the external display device is fixedly arranged at the upper end of the bidirectional telescopic rod, a controller and a converter are arranged in the external display device, a display module is embedded in the outer end of the external display device, and the display module is electrically connected with the micro-control module; the electromagnetic ...

Turbine blade frequency modulation method based on root extension structure parameter adjustment

The invention relates to the technical field of aero-engines, and discloses a turbine blade frequency modulation method based on root extension structure parameter adjustment, which can greatly change the first-order bending inherent frequency of a turbine blade and increase the resonance margin of the turbine blade by adjusting the size parameter of the root extension structure of the turbine blade under the condition of not changing the blade profile. The resonance frequency margin between the first-order bending inherent frequency and the excitation frequency of the turbine blade is larger than or equal to the frequency margin lower limit threshold value required by the design of the turbine blade, and therefore the first-order bending resonance problem in the working rotating speed range of an engine is avoided on the premise that it is guaranteed that the aerodynamic performance of the engine is not affected; therefore, the high-cycle fatigue failure rate of the engine turbine blade ...

Spreading and airing equipment for increasing nutritional ingredients for preparing mulberry leaf tea and method of spreading and airing equipment

The invention provides spreading and airing equipment for increasing nutritional ingredients for mulberry leaf tea preparation and a method thereof.The spreading and airing equipment comprises a support, an obliquely-arranged discharging sliding way is fixedly installed on the support, a plurality of spreading and airing frames arranged in a step shape are fixedly installed at the top of the discharging sliding way in the inclination direction of the discharging sliding way, and spreading and airing nets are laid in the spreading and airing frames; two supporting legs are further fixedly installed on the rear side of the discharging sliding way, an electric sliding rail parallel to the discharging sliding way is jointly and fixedly installed at the upper ends of the two supporting legs, a hopper is installed on a sliding part of the electric sliding rail, a discharging pipe is arranged at the bottom of the hopper, and the discharging pipe is sleeved with a charging barrel capable of moving ...

Color-changeable packaging material for semiconductor industry and preparation method of color-changeable packaging material

The invention discloses a color-changeable packaging material for the semiconductor industry and a preparation method of the color-changeable packaging material, the packaging material comprises plastic particles, a color-changing material and an anti-ultraviolet agent, and the color-changing material is composed of metal diethyl ammonium salt and fluoranthene. By adopting the structure, the color-changeable packaging material for the semiconductor industry can be attached to the outer layer of a packaging material, presents different colors at different temperatures, plays a role in prompting a user, and particularly plays a role in early warning the user when the temperature is over-high, so that the user can take corresponding measures in time, and the service life of the packaging material is prolonged. And material waste and economic loss are avoided.

Beam -pumping unit balancing piece safety arrangement

... 本实用新型公开了一种抽油机平衡块安全保护装置，包括支撑贴板、侧凸板、螺栓穿孔、边线环台、内缩环台、定型插板、契合穿孔、定位插销、外围网框、内环网板、插孔、插杆、限位圆盘、压缩弹簧。本实用新型装置的结构原理简单，在传统简单设置外围网栏进行隔离保护的基础上进行改进，在外围网框内侧设置可进行弹性缓冲调节的内环网板，通过两个网板之间的弹簧实现缓冲保护，在隔离人靠近的同时预防来自平衡块松动脱落等自身带来的安全隐患，安装快捷方便。 ...

Wine packaging box

... 本实用新型公开了种酒类包装盒，包括盒体和盒盖，盒体由第侧壁和底板围设而成，盒盖为由第二侧壁和顶板围设而成，顶板和底板的内侧固设有防护垫，第侧壁上设有展开口，第二侧壁下固定连有与展开口相配合的开合板，盒体底部设有圆环槽，开合板的底端置于圆环槽内并可沿圆环槽作圆弧线运动。本实用新型提供的酒类包装盒只需旋转盒盖无需全部揭开盒盖就能使开合板沿盒体侧壁打开露出展开口，不仅可由展开口展示精美酒瓶激发消费者购买欲，而且取放酒瓶方便快捷，因无需全部打开盒盖来取放酒瓶避免了盒盖或盒内用于保护酒瓶的防护垫的丢失，可用于白酒或红酒的多次储存。 ...

Steel wire rope looping equipment and method thereof

The invention discloses steel wire rope looping equipment and a method thereof.The equipment comprises a mounting rod connected with the output end of a longitudinal driving mechanism, a jacking and expanding forming mechanism and a rope head fixing and bending mechanism are mounted on the mounting rod, and head bundling and strand twisting mechanisms are arranged on the two sides of the rope head fixing and bending mechanism correspondingly; a pressure-bearing guide rail is arranged above the jacking and expanding forming mechanism, and the jacking and expanding forming mechanism elastically expands or contracts in the process of passing through the pressure-bearing guide rail. The method is realized based on the equipment, so that the steel wire rope is stranded in advance before being processed into a ring, the two end parts of the steel wire rope are bundled inwards, and the bent part of the steel wire rope is always supported in the ring forming process. In the machining process of ...

Filtering and drying system for PSPI resin

The invention discloses a PSPI resin filtering and drying system which comprises a barrel, a filtering barrel is arranged in the barrel, a cavity is formed between the filtering barrel and the inner wall of the barrel, a back flushing pipe, an exhaust pipe, a water inlet pipe and a feeding pipe are arranged on a top plate of the barrel, and a vacuumizing pipe and a dry airflow inlet pipe are arranged on the side wall of the barrel. A liquid discharge pipe and a material discharge pipe are arranged on a bottom plate of the cylinder body; a bowl-shaped filtering plate is arranged at the bottom of the filtering barrel, the bottom of the bowl-shaped filtering plate is connected with a vibrating device, a powder catcher, a spraying device and a feeding port are arranged on a top plate of the filtering barrel, the powder catcher is connected with an exhaust pipe and a back flushing pipe through an air outlet hose and a back flushing hose respectively, and the spraying device is connected with ...

Electronic electroplating additive composition and application thereof in inhibition of transverse electrodeposition of silver-ferrite interface nickel

The invention discloses an electronic electroplating additive composition and application thereof in inhibition of transverse electrodeposition of silver-ferrite interface nickel, and the electronic electroplating additive composition is characterized by comprising a sulfur-containing compound as a nickel transverse deposition inhibitor, a surfactant and a brightener in a mass ratio of (1-30): (5-50): (4-15). In combination with specific electronic electroplating conditions, transverse deposition of silver-ferrite interface nickel can be completely inhibited, and the nickel coating is bright in appearance metal and good in binding force.

A pharmaceutical composition containing ornidazole and its preparation

... 本发明属于医药技术领域,本发明提供了种含有奥硝唑的药物组合物及其制剂，包含奥硝唑、丙二醇和亚油酸。本发明所述组合物制得的注射剂溶解性好、稳定性好；由该组合物制得的注射液使用方便，利于贮运，其制备方法简单，易于工业化生产，且生产成本低。 ...

Lactobacillus, multi-linked lactobacillus compound, preparation and application thereof

The invention discloses lactobacillus, a multi-linked lactobacillus compound, a preparation and application of the multi-linked lactobacillus compound. The lactobacillus comprises an LSA-858 bacterial strain, an LSA-946 bacterial strain, an LSA-1012 bacterial strain and an LSA-1066 bacterial strain; the preservation number of the LSA-858 strain is GDMCC (Grains Decilomyces Cereus) No. 62779; the preservation number of the LSA-946 strain is GDMCC (China General Microbiological Culture Collection Center) No. 62781; the preservation number of the LSA-1012 strain is GDMCC (China General Microbiological Culture Collection Center) No.62782; the preservation number of the LSA-1066 strain is GDMCC (China General Microbiological Culture Collection Center) No. 62783. And the multi-linked lactobacillus complex comprises at least three of the LSA-858 bacterial strain, the LSA-946 bacterial strain, the LSA-1012 bacterial strain and the LSA-1066 bacterial strain. The invention further discloses a preparation ...

Data identification method, device and system, electronic equipment and storage medium

The invention discloses a data identification method, device and system, electronic equipment and a storage medium. The method comprises the following steps: acquiring and analyzing a first interface message of a target mobile core network to obtain a message type of the first interface message, and determining a user node processing mode in a preset index database according to the message type; obtaining and analyzing a second interface message of the target mobile core network to obtain second message information, obtaining target node information according to the second message information and a preset index database, and generating a target data log according to the target node information and the second message information; and obtaining access point knowledge attributes according to the access point information in the target data log to identify whether the target data log is from the Internet of Vehicles. Through operation of the technical scheme provided by the embodiment of the ...

Flexible job shop scheduling method and device based on game evolutionary algorithm, electronic equipment and medium

The invention discloses a flexible job shop scheduling method and device based on a game evolutionary algorithm, electronic equipment and a medium, and the method comprises the steps: building a production scheduling mathematical model of a flexible job shop according to the obtained processing information of the flexible job shop; generating an initialized population according to the processing information, and setting related parameters for processing a flexible workshop scheduling problem; and performing iterative solution on the production scheduling mathematical model by using a game evolutionary algorithm based on the initialized population and the related parameters to obtain an optimal solution of the scheduling scheme. According to the method, a reasonable scheduling scheme can be quickly and effectively generated, the problem of large-scale complex scheduling is effectively solved, and the production efficiency is greatly improved.

Radio frequency test structure, radio frequency test system and electronic equipment

The invention provides a radio frequency test structure, a radio frequency test system and electronic equipment. The radio frequency test structure comprises a main circuit board and an auxiliary circuit board. The main circuit board comprises a grounding test point, a radio frequency matching unit, an antenna matching unit and an antenna feed point elastic sheet. And the radio frequency matching unit, the antenna matching unit and the antenna feed point elastic sheet are in communication connection in sequence. The auxiliary circuit board comprises a ground probe and a signal bonding pad, the ground probe is electrically connected with the grounding test point, and the signal bonding pad is electrically connected with the antenna feed point elastic piece. The radio frequency test structure can solve the problem that test points of an existing radio frequency test structure occupy the layout space of the main circuit board, and consequently the miniaturization design requirement of the ...

Method for analyzing and identifying potato S-RNase genotype and related primers

The invention provides a method for analyzing and identifying potato S-RNase genotype and related primers. The primer comprises a primer pair group consisting of 37 pairs of primer pairs. The primer provided by the invention can simply, conveniently, quickly and accurately identify the genotype of the potato variety self-incompatibility related gene S-RNase, and has important application value in the aspects of potato breeding parent selection and hybridization research.

Foot bone mineral density detection system

The invention relates to a bone mineral density detection system for feet, and the system comprises a fixing mechanism which is used for keeping the feet of a patient in the detection system at a preset angle; the detection mechanism is used for measuring the bone mineral density of the feet of the patient; wherein the fixing mechanism keeps the feet of a patient in the fixing mechanism in a mode of constructing a limiting groove, and the detection mechanism is configured on the side wall of the limiting groove; and the detection mechanism can detect the bone mineral density of different positions of the foot by utilizing ultrasonic waves in a manner of performing multidirectional movement on the side wall of the limiting groove. The fixing mechanism can fix the foot in a specific posture, the stability of the foot in the detection process is guaranteed, and the detection mechanism can accurately and comprehensively detect the foot in the mode of being matched with the fixed posture of ...

Multi-component SMT equipment opportunity maintenance multi-objective decision optimization method

The invention discloses a multi-component SMT equipment opportunity maintenance multi-objective decision optimization method, and belongs to the technical field of equipment maintenance decision, and the method comprises the steps: firstly determining the fault rate function of each component of equipment and the influence of a maintenance mode on the fault rate function; then determining a preventive maintenance interval and a preventive maintenance frequency upper limit of each component according to a reliability threshold value; and finally, establishing a multi-target opportunity maintenance model with maximum availability and minimum total cost, considering maintenance opportunities during preventive maintenance and minimum maintenance, and adopting a multi-target particle swarm algorithm to optimize opportunity maintenance thresholds of all components. According to the method, multi-target Pareto optimum is considered, and distribution fitting is performed on the availability and ...

Feature mapping-based process model reverse generation method and system

The invention discloses a process model reverse generation method and system based on feature mapping. The method comprises the following steps: S1, constructing a feature mapping library; s2, extracting topological features of the surface of the part; s3, converting the design features into processing features based on the feature mapping library; s4, a three-dimensional process model is generated, the method based on the geometric features can be applied to various types of parts, and more types of geometric features can be recognized; geometric features of the part can be calculated more accurately, and the problem of error accumulation possibly occurring in a rule-based method is avoided; the geometrical characteristics of the part can be automatically identified, and manual rule setting is not needed, so that the identification efficiency is improved; and a new geometric feature recognition method can be easily added, so that the function and the application range of the algorithm ...

Curtain wall cleaning tool

The invention provides a curtain wall cleaning tool, and relates to the technical field of curtain wall cleaning, the curtain wall cleaning tool comprises a shell connected with a first handle part, the shell is provided with a cleaning cavity with at least one open surface, and the shell is also provided with a water inlet communicated with the cleaning cavity; the water coating module is movably connected to the shell so as to extend into/out of the cleaning cavity; the pressing block is mounted on the inner wall surface of the cleaning cavity so as to press the outer side of the water coating module and extrude sewage in the water coating module; and the drainage cavity is communicated with the cleaning cavity so as to collect and discharge the sewage. The problem that in the prior art, it is troublesome to soak the water coater and discharge sewage on the water coater is solved.

Aero-engine turbine disc stress prediction method

The invention relates to the technical field of aero-engine turbine disc stress prediction, and discloses an aero-engine turbine disc stress prediction method, which comprises the following steps of: performing dimension reduction processing on data in an overall parameter set on the basis of turbine disc stress distribution under a corresponding steady-state working condition to obtain a characteristic monitoring parameter set with relatively high correlation with turbine disc stress; and by taking the characteristic parameter set subjected to dimensionality reduction preprocessing under each steady-state working condition as input and the turbine disc stress corresponding to the steady-state working condition as output, establishing an aero-engine turbine disc stress random forest prediction model, and predicting the turbine disc stress of the aero-engine under the to-be-measured working condition. Main control factors highly associated with the turbine disk stress are found out through ...

Device and method for discharging hazardous waste incineration waste gas

The invention discloses a hazardous waste incineration waste gas emission device and method, and relates to the technical field of hazardous waste incineration waste gas emission, the hazardous waste incineration waste gas emission device comprises a bucket elevator, a gasification furnace and a secondary combustion chamber, the gasification furnace is installed on one side of the bucket elevator, the gasification furnace is connected with the secondary combustion chamber through a pipeline, and the secondary combustion chamber is connected with the bucket elevator through a pipeline. The secondary combustion chamber is connected with a membrane wall type waste heat boiler through a pipeline, an ash discharging device is installed on one side of the membrane wall type waste heat boiler, and the membrane wall type waste heat boiler is connected with a waste gas purification system through a pipeline. According to the hazardous waste incineration waste gas emission device and method, pyrolysis ...

Treatment equipment and method for looped steel wire rope

The invention discloses treatment equipment and method for a looped steel wire rope, and the treatment equipment comprises a passive opening and closing mechanism mounted on a connecting seat, an active pushing mechanism is arranged between the connecting seat and the passive opening and closing mechanism, and a ring fixing mechanism is detachably mounted at the lower end of the passive opening and closing mechanism. The multiple steel wire rope rings are vertically arranged on the ring fixing mechanism in a sleeving mode at intervals, and the ring fixing mechanism tensions the steel wire rope rings on the ring fixing mechanism along with opening of the passive opening and closing mechanism. The treatment method is carried out in cooperation with a fluctuating type jacking mechanism and a pressing type detection mechanism, and various properties of the steel wire rope ring are detected. The performance of the steel wire rope ring can be detected, the unqualified steel wire rope ring is ...

Regulation type for radar signal wave control cold drawing

... 本实用新型涉及冷板技术领域，尤其是调节型雷达用信号波控冷板，该冷板包括板体、循环管、水泵和水槽，板体上端设有循环管，循环管中间与水泵相连，水泵与水槽相连，板体上端滑动连接有套管，循环管穿过套管，套管数量为个以上，板体上端设有滑槽，套管底端设有滑块，套管通过滑块置于滑槽内实现与板体的滑动连接，板体上端设有散热孔，套筒侧端设有弹簧扣，该冷板能够调节板体的散热面积，制冷效果好，且耗电较小，低碳环保。 ...

Agricultural insect expelling device

The invention discloses an agricultural insect repelling device, and relates to the technical field of agricultural insect repelling. The device comprises a container and a first storage barrel, a feeding pipe is arranged at the bottom of the first storage barrel in a communicating mode, a liquid level control mechanism is arranged at the bottom end of the feeding pipe, and the feeding pipe comprises a pipe body A, a pipe body B, a pipe body C and a pipe body D; a sealing plate with a through hole is arranged at the top of the pipe body C, a supporting frame B is arranged at the bottom end of the pipe body C, an outer sleeve is arranged on the supporting frame B, a piston column making piston operation in the axial direction of the outer sleeve is connected into the outer sleeve in a sealed mode, and a sealing plug block matched with the through hole is connected to the top end of the piston column; and the bottom end of the outer sleeve is connected with a heated device in an outdoor natural ...

Manufacturing feature identification method and system based on data driving

The invention discloses a manufacturing feature recognition method and system based on data driving, and belongs to the technical field of feature recognition, and the method comprises the following steps: S1, constructing a data set; s2, designing an identification network architecture; s3, performing network training; and S4, performing multi-feature recognition. According to the method, the manufacturing feature data set is constructed, and then the multi-layer convolutional neural network is constructed based on a deep learning method by using the constructed manufacturing feature data set to carry out iterative training, so that the network model with high feature recognition accuracy and good robustness is obtained; by means of the network model, effective recognition of manufacturing features in the CAD model can be achieved, and the requirement for manufacturing feature recognition in the product digital design and manufacturing process is met.

High-strength oil-stain-resistant blue-light-resistant glass plate

The utility model discloses a high-strength oil-stain-resistant blue-light-resistant glass plate which comprises a glass substrate, the top of the glass substrate is fixedly connected with a functional layer through an adhesive, the bottom of the glass substrate is fixedly connected with a strength reinforcing layer through an adhesive, and the glass substrate comprises a main glass layer. Wherein the top of the main glass layer is fixedly connected with a filter layer through an adhesive, the bottom of the main glass layer is fixedly connected with an auxiliary light-transmitting layer through an adhesive, the functional layer comprises an oil stain decomposition layer, the bottom of the glass color layer is sprayed with a transition layer, the strength reinforcing layer comprises a tempered layer, and the bottom of the tempered layer is fixedly connected with a fiber layer through an adhesive. The utility model relates to the technical field of glass plates. According to the high-strength ...

Smart school system and smart school system application method

The embodiment of the invention provides a smart school system and a smart school system application method, and belongs to the technical field of campus system information management. The smart school system comprises a perception transmission layer used for service request perception and service content perception; the application service layer is used for executing a corresponding service response based on the service request; the service content awareness module is also used for amending the service response content based on the service content awareness result in the service response process; the display platform layer is used for interacting the service request and the service response content with a user based on a preset terminal; and the information storage layer is used for integrating and storing all data in the smart school system. According to the scheme, the problems of serious information islands, poor data safety performance and low intelligence of the current smart schools ...

Adjustable exhibition center tree-shaped aluminum plate modeling suspended ceiling design structure

The invention discloses an adjustable exhibition center tree-shaped aluminum plate modeling suspended ceiling design structure which comprises a base layer column body, vertical square tube pieces, transverse square tube pieces and rod bodies, the base layer column body is provided with a plurality of vertical square tube pieces arranged in the circumferential direction, the vertical square tube pieces are arranged in the axis direction of the base layer column body, and the transverse square tube pieces are arranged on the base layer column body. One end of the transverse square tube piece is connected with the vertical square tube piece through an arc-shaped transition section, the other opposite end of the transverse square tube piece is connected with the locking block, the locking block is fixedly installed on the top face of a ceiling, a plurality of sliding seats are arranged on the back face of the transverse square tube piece, the sliding seats are rotatably installed on the transverse ...

Multifunctional disinfection table for orthopedic surgery

The invention relates to the technical field of disinfection instruments, in particular to an orthopedic surgery multifunctional disinfection table which comprises a disinfection table body, an operating room disinfection assembly is arranged in the disinfection table body, a cleaning and wiping bin, a disinfection bin and a sterilization bin are further arranged in the disinfection table body, a cleaning and wiping assembly is arranged in the cleaning and wiping bin, and a disinfection assembly is arranged in the disinfection bin. A sterilization assembly device main body is arranged in the sterilization bin; used surgical instruments to be disinfected are put into the disinfection table main body and are cleaned, disinfected and sterilized through the cleaning and wiping assembly, the disinfection assembly and the sterilization assembly in sequence, and therefore disinfection of the surgical instruments is completed. And meanwhile, the disinfectant storage bin conveys disinfectant to ...

Mushroom planting device

The invention discloses a mushroom planting device which comprises a base, a log clamping device is arranged on the base, main guide rails arranged in parallel in the clamping direction are further arranged above the log clamping device, and a planting device is slidably arranged on the main guide rails in a matched mode. The device further comprises a planting device sliding control mechanism used for controlling the planting device to slide on the main guide rail, and is characterized in that a drilling mechanism, an inoculation mechanism and a blocking mechanism are arranged on the planting device, and the blocking mechanism can achieve blocking of drilled holes after inoculation through blocking materials. The device can be more beneficial to growth of mushrooms, and has the advantages of being high in automation degree, good in log operation flexibility, higher in applicability and higher in production efficiency.

Data compression method for Internet of Vehicles

The invention relates to the field of data compression and storage, in particular to a data compression method for the Internet of Vehicles, which comprises the following steps: calculating the average coding length of image blocks of different sizes corresponding to each pixel point, and recording the image block corresponding to the minimum average coding length as a preferred block of the pixel point; obtaining a level serial number and a sequence serial number of the preferable block, and calculating the certainty degree of the preferable block; obtaining all determined blocks according to the level serial numbers and the sequence serial numbers of the preferred blocks and the determinacy; all corner pixel points of all the determined blocks are obtained, and all position sequences are obtained according to the sequence degree of the corner pixel points and the relative relation between the corner pixel points; obtaining all coding sequences according to the gray values of all the determined ...

Variable credibility model determination method for welding spot reliability prediction and structure optimization

The invention discloses a variable credibility model determination method for welding spot reliability prediction and structure optimization, which belongs to the technical field of electronic component packaging and comprises the steps of sample selection, model construction, model verification and the like. According to the method, the model fitting effect is better, the precision is higher, the required high-precision sample points are fewer, the cost is lower, meanwhile, the model optimization convergence is better, and certain theoretical guidance is provided for improving the reliability of the BGA welding spot under the condition of bearing the temperature cyclic stress.

Mulberry tea beverage detection device and detection method thereof

The invention provides a mulberry tea beverage detection device and a detection method thereof.The mulberry tea beverage detection device comprises a circular shell, supporting legs are fixedly connected to the bottom of the circular shell, a rotating shaft is rotatably connected to the middle of the circular shell, and a first motor capable of driving the rotating shaft to rotate is installed on the front side of the circular shell; four partition plates are fixedly connected to the circumferential side wall of the rotating shaft, a heating plate is installed in the bottom of the circular shell, a feeding port is formed in the top of the circular shell, a discharging port is formed in the left side of the circular shell, and blowing assemblies capable of blowing air to the corresponding sides are installed on the two sides of the four partition plates. The device can realize multiple detection processes of moisture of mulberry leaves in a circulating stir-frying process, and adopts a hot ...

Integrated multi-AGV path planning and multi-row equipment layout optimization method

The invention provides a method and a system for integrating multi-AGV path planning and multi-row equipment layout. The method comprises the following steps: establishing a multi-row equipment layout multi-target optimization model; solving the total processing time in iteration: for a given layout condition, solving the shortest time required by a workshop to complete an order by adopting a multi-AGV path planning method based on a time window A * algorithm in combination with information of a process route and the processing time of a product; solving the model by adopting an ant colony algorithm combined with a genetic algorithm; and based on dynamic simulation of discrete events, verifying the accuracy of the solution scheme. According to the invention, the technical problem that the equipment layout in the workshop, especially the equipment layout reconstruction of the mixed-flow processing production line, and the production evaluation effect are poor is solved.

Method for detecting impurity elements in uranium-zirconium-yttrium fuel microspheres

The invention relates to the technical field of nuclear fuel detection, in particular to a method for detecting impurity elements in uranium-zirconium-yttrium fuel microspheres. The detection method comprises the following steps: S1, adding concentrated nitric acid and concentrated hydrofluoric acid into uranium-zirconium-yttrium fuel microspheres, dissolving, carrying out uranium extraction separation by using a mixed solution of tributyl phosphate and xylene after the uranium-zirconium-yttrium fuel microspheres are completely dissolved, taking a water phase, and fixing the volume by using a 1% nitric acid solution to obtain a sample solution; 0.1 mL to 0.2 mL of concentrated hydrofluoric acid and 5 mL to 6 mL of concentrated nitric acid are added into each 0.1 g of the sample; and S2, sequentially determining the standard solution, the blank solution and the sample solution on an inductively coupled plasma mass spectrometer, continuously introducing the internal standard solution during ...

Automatic vagina cutting and suturing device

The invention discloses an automatic vagina cutting and suturing device which comprises a device body, the device body comprises a clamping assembly, a cutting assembly and a suturing assembly, the clamping assembly comprises a first driving part and a first clamping part, and the cutting assembly comprises a second driving part and a cutting blade. The second driving part drives the cutting blade to do circulating reciprocating motion; the suturing assembly comprises a third driving part and a suturing part, the suturing part is provided with a suturing line, and the first driving part drives the first clamping part to be opened or closed to clamp or release the tissue needing to be blocked; the second driving part drives the cutting blade to circularly reciprocate, so that automatic cutting is realized; the suturing part is driven by the third driving part to directly move along the tissue needing to be sutured, the automatic suturing process is achieved, the defect that a traditional ...

Modular casting integral axle housing assembly and mold

The invention relates to a modular casting integral axle housing assembly and a mold. The modular casting integral axle housing assembly comprises an axle housing assembly and a mold, the axle housing assembly comprises two first virtual reference surfaces and two second virtual reference surfaces; the axle housing assembly is sequentially divided into a first axle tube section, a first connecting section, a middle section, a second connecting section and a second axle tube section from left to right by the two first virtual reference surfaces and the two second virtual reference surfaces; the cross sections of the first virtual reference surfaces and the second virtual reference surfaces of the axle housing assemblies with different specifications are the same; the mold comprises a first shaft pipe section mold, a first connecting section mold, a middle section mold, a second connecting section mold and a second shaft pipe section mold, and the first shaft pipe section mold, the first ...

ORGANIC COMPOUND AND ELECTRONIC DEVICE AND ELECTRONIC DEVICE COMPRISING

The invention relates to the technical field of organic electroluminescent materials, and provides an organic compound, and an electronic component and an electronic device comprising the same. The organic compound contains a double-spiro structure, and when the compound is used as a main body material of an organic electroluminescent device, the efficiency of the device can be remarkably improved, and the service life of the device can be remarkably prolonged.

Data processing method and device of data stream, computer and storage medium

The invention discloses a data stream data processing method, which comprises the following steps: an operating system obtains a dependency relationship DAG of a node task and data communication traffic from a process block PCB of a program, nodes in the dependency relationship DAG represent the node task, and nodes in the dependency relationship DAG represent the data communication traffic; the edges connected with the nodes of the dependency relationship DAG represent the transmission quantity and the data quantity of the node tasks; threads are distributed for node tasks according to ready nodes, direct subsequent nodes and the total system thread amount in the dependency DAG; and scheduling the thread according to the system load of the current processor, the node task communication relationship and the communication traffic. According to the embodiment of the invention, a supporting method for the data stream execution mode is provided on the operating system level, so that the efficiency ...

Projectile body positioning device and air cannon automatic machine with projectile body positioning function

In order to solve the technical problem that a projectile cannot be ejected out of a chamber due to the fact that the posture of the projectile body deviates after the projectile body enters the chamber, the invention provides the projectile body positioning device and the air cannon automatic machine with the projectile body positioning function on the premise of not changing the original product structure and the part size. The missile body positioning device is ingeniously designed within the height range between a middle partition plate and a rear partition plate of the missile feeding machine and in the remaining space except a specified missile feeding line (snakelike missile feeding line). According to the projectile body positioning device, the first contact and the second contact rotate around the shaft and the corresponding spring stretches out and draws back to continuously generate spring force so that a projectile body can stably enter a chamber, the first contact and the second ...

Method for co-production of methylcyclopentane by cracking C9 hydrogenation device and pentane device

The invention provides a method for co-production of methylcyclopentane by a cracking C9 hydrogenation device and a pentane device, and relates to the field of methylcyclopentane preparation. The method comprises the following steps: (1) feeding cracked C9 into a colloid removal tower to obtain a cracked C9 light component containing methyl cyclopentadiene at the tower top; (2) hydrogenating the cracked C9 light component containing methyl cyclopentadiene through a cracked C9 first-stage hydrogenation reactor and a cracked C9 second-stage hydrogenation reactor to obtain a hydrogenated C9 component; (3) performing steam stripping on the hydrogenated C9 component through a steam stripping tower to obtain crude naphthenic oil at the top of the tower; (4) mixing the crude naphthenic oil with a C5 component, feeding the mixture into a C5 hydrofining reactor, and hydrofining to obtain a saturated component; and (5) separating the saturated component through a light component removal tower, an ...

Completely-localized dual-channel universal transceiver module

The invention relates to a completely-localized dual-channel universal transceiver module, and belongs to the technical field of radar manufacturing. The system is characterized in that the frequency selection assembly is of a transmitting-receiving sharing type, and transmitting-receiving channels are switched through radar PIN square waves; each of the receiving link and the transmitting link comprises a frequency selection component, a low-noise amplifier, a band-pass filter, a broadband amplifier, a numerical control gain amplifier, a low-pass filter, a voltage modulator and a power supply voltage stabilizer; all the devices are homemade and independently developed and are of a packaging type; two paths of echo signals and two paths of emission excitation signals are processed through domestic electronic components, imported electronic components with the same performance are correspondingly replaced in situ, the quality is good, safety hidden worries do not exist, and it is guaranteed ...

Electromechanical management subsystem fault-tolerant design method based on hybrid redundancy heterogeneous network

According to the electromechanical management subsystem fault-tolerant design method based on the hybrid redundancy heterogeneous network, a data transmission network between an electromechanical management subsystem and an avionics system adopts a three-redundancy heterogeneous design, and a data transmission network in the electromechanical management subsystem adopts a dual-redundancy heterogeneous design. When a data bus of a certain structure breaks down, the electromechanical management subsystem can conduct bus switching and generate self-reconfiguration, and information interaction can be continued through data buses of other structures. According to the design method, the fault-tolerant capability of the bus communication between the electromechanical management subsystem and the avionics system, the internal bus communication of the electromechanical management subsystem and the cross transmission between the node computers can be effectively improved.

Lightweight method for large assembly model

The invention discloses a lightweight method for a large assembly model, and belongs to the technical field of intelligent manufacturing, and the method comprises the following steps: S1, simplifying a fine structure in the large assembly model; s2, processing surface features of the large assembly model; and S3, shell extraction of the large assembly model. According to the method, the fine structure in the large assembly model is firstly simplified, then the surface features of the large assembly model are processed, and finally the large assembly model is shelled, so that the lightweight model can be obtained, the data volume of the original assembly model is greatly reduced, and the lightweight of the large assembly model is realized.

Cable recovery equipment for electric power engineering

The invention relates to the field of electric power engineering and discloses electric power engineering cable recovery equipment which comprises a vehicle body and a winding mechanism installed on one side of the vehicle body and used for winding a cable body, and a cleaning mechanism is arranged on the right side of the winding mechanism. The cleaning mechanism is arranged, and a scrubbing cylinder and a water scraping roller which are used for performing rotary scrubbing and rotary water scraping operation on a cable body are arranged in the cleaning mechanism, so that rotary cleaning of the surface of the cable in the circumferential direction is achieved, cleaning is performed synchronously in the winding process, cable cleaning is guaranteed, the winding quality is improved, and the cable is protected; according to the cable scrubbing and drying device, the scrubbing cylinder provided with the water spraying holes and the water scraping roller provided with the air spraying holes ...

Variable credibility model determination method for residual stress prediction and optimization after welding and spot welding

The invention discloses a method for determining a variable credibility model for predicting and optimizing residual stress after welding spot welding, and belongs to the technical field of electronic component packaging. According to the method, the maximum residual stress after welding is obtained by simulating the reflow soldering technological process, variable credibility approximation models between size parameters such as the height of a welding spot and the radius of a bonding pad and the maximum residual stress after welding are established accordingly, four variable credibility approximation models are formed by adopting nested and non-nested sampling modes, prediction effects are compared, and the prediction accuracy is improved. And meanwhile, a particle swarm optimization algorithm is used for optimizing welding spot size parameters, and a result verifies that the prediction effect of the variable credibility approximation model is better and an optimal construction scheme ...

Fine blanking device of medicament powder packaging machine

The utility model discloses a fine blanking device of a medicament powder packaging machine, which comprises a support frame, a protective shell is fixed at the top of the support frame, the protective shell is of a hollow cuboid structure, a material distributing hopper is fixed inside the protective shell, a discharge pipe is arranged at the bottom of the material distributing hopper, the discharge pipe penetrates out of the protective shell, and the discharge pipe is connected with the protective shell. A first motor and a second motor are installed on the side face of the protective shell, an output shaft of the first motor is inserted into the protective shell and connected with a feeding screw, the feeding screw is inserted into the discharging pipe and rotationally connected with the discharging pipe, and an output shaft of the second motor is inserted into the protective shell and connected with a first rotating shaft. Compared with the prior art, by arranging the second motor, ...

Anti-fact-based attribution activation graph guided interpretable method system

The invention relates to an interpretable method and system guided by an attribution activation graph based on anti-facts, and the method comprises the steps: carrying out the prediction of an image through employing a trained image target detection deep learning model, and obtaining a prediction result; according to a prediction result, a Grad-CAM method is used to obtain an attribution thermodynamic activation diagram of a detection result on an original image so as to display which areas are important, and an anti-fact method is combined to answer the specific effects of the areas with different importance degrees. Through an anti-fact explanation module, after key area features are inactivated, a model prediction result is input again, optimal matching is carried out according to an IoU threshold value between a prediction frame of the regenerated prediction result and an original prediction frame, and the specific effect of a selected area is explained according to the change condition ...

Phytobacterium plantarum and application thereof

The invention discloses a lactobacillus plantarum strain and application thereof, the lactobacillus plantarum strain is named as LSA-410 strain, and is preserved in Guangdong Microbial Culture Collection Center on August 18, 2022, and the preservation number is GDMCC No.62712. The lactobacillus plantarum strain is named as LSA-410 strain. The LSA-410 strain is high in lactic acid production capacity, can effectively inhibit growth of common pathogenic bacteria (such as gardnerella vaginalis, urinary tract pathogenic escherichia coli and the like) in urogenital tracts, can be strongly adhered to cervical epithelium (Hela cells) and human bladder transitional cell carcinoma cells (T24 cells), and is non-toxic, free of pathogenicity, safe and reliable. Based on the advantages, the LSA-410 strain can be used for research and development of vaginal microecologics for treating/preventing urogenital tract diseases, and the infection and recurrence rate of the urogenital tract diseases can be reduced ...

Turbine blade transition state persistent damage analysis method

The invention relates to the technical field of aero-engines, and discloses a turbine blade transition state persistent damage analysis method, which comprises the following steps: establishing a mathematical model of the persistent life at the lowest position of the service life of a turbine blade along with the time change in a transition state, and calculating the reciprocal of the mathematical model of the persistent life along with the time change in the transition state; obtaining a mathematical model that the lasting damage of the lowest life point position of the turbine blade changes along with the transition state time in unit time; in the persistent damage analysis process, a mathematical model that persistent damage changes along with transition state time in unit time is used for time integration, so that the persistent damage of the lowest life point position of the turbine blade in the transition state period is obtained, consumed time is short, and calculation efficiency ...

Analysis method for structural strength of composite material laminated plate

The invention provides a method for analyzing the structural strength of a composite material laminated plate, and belongs to the technical field of composite material structural design. The method specifically comprises the steps that the basic mechanical property of a single-layer plate in a laminated plate structure is obtained; according to the design scheme of the laminated plate structure, obtaining a layering design result and geometric structure parameters of the laminated plate structure; dividing the laminated plate structure into a plurality of areas according to the geometrical characteristics of the laminated plate structure; obtaining equivalent engineering elastic constants of different areas of the laminated plate structure according to the basic mechanical properties of the single-layer plate and the structural geometric parameters of the laminated plate structure; establishing an integral three-dimensional model of the laminated plate structure, importing the integral ...

Aero-engine compressor disc temperature prediction method based on multi-layer perceptron

The invention discloses an aero-engine compressor disc temperature prediction method based on a multilayer perceptron. The aero-engine compressor disc temperature prediction method comprises the steps that engine compressor disc performance design data is obtained, multi-working-condition calculation is conducted on a finite element model, sample space data is formed, and invalid value elimination or normalization processing is conducted on the sample space data; dividing the sample space data into a training set and a test set, taking data of a first proportion in the sample space data as the training set, and taking data of a second proportion as the test set; the value of the first proportion is greater than that of the second proportion; a model is established according to data of the training set, and parameters of the established model are optimized through grid search; and inputting data of a test set into the model to obtain a gas compressor disc temperature prediction result corresponding ...

Municipal road fence cleaning device and method

The invention discloses a municipal road fence cleaning device and method.The municipal road fence cleaning device comprises an n-shaped main body structure, two moving ends, moving wheel fixing grooves, moving wheels, power supply equipment, a warning function plate, a function plate wire, a loudspeaker box, an LED warning lamp, an inner groove, a lead screw positioning ring, a lead screw and a cleaning device, and the two moving ends are fixedly connected to the bottoms of the two sides of the n-shaped main body structure correspondingly; and the four moving wheel fixing grooves are formed in the two moving ends at equal intervals correspondingly, the four moving wheels are installed in the moving wheel fixing grooves correspondingly, and the power supply equipment is fixedly connected to the top of the n-shaped main body structure. And the road fence can be efficiently and comprehensively cleaned, so that the cleaning efficiency of the road fence is improved, and the service life of ...

Three-dimensional face recognition method based on ToF

The invention discloses a three-dimensional face recognition method based on ToF, and the method comprises the following steps: 1, collecting a face for a ToF depth camera, and outputting an infrared image and a depth image; step 2, recognizing a face region based on the 2D infrared image by adopting a 2D face detection network, and optimizing the infrared image and the depth image where the face region is located to improve noise and cavity phenomena so as to improve the accuracy of three-dimensional face recognition; and step 3, performing three-dimensional face recognition on the optimized face infrared image and depth image by adopting a three-dimensional face recognition method based on a double-branch fusion network, and outputting a face recognition result. The method can be widely applied to face recognition and interaction in the fields of intelligent vehicles, intelligent homes, robots, financial payment and the like.

Electromagnetic flow velocity sensor

The utility model provides an electromagnetic flow velocity sensor, which comprises a shell, the shell comprises a front shell, a connecting part and a rear shell which are connected in sequence, the front end of the front shell is provided with an infusion tube inserted along the length direction of the shell, the front end of the infusion tube is provided with a dynamic pressure hole, and the middle end of the front shell is provided with a static pressure hole; the first flow velocity testing unit comprises a flow velocity and pressure difference sensor, and the flow velocity and pressure difference sensor is arranged between the front shell and the connecting part; the second flow velocity testing unit comprises a magnet exciting coil and an electrode which are arranged in the front shell, the magnet exciting coil is annularly arranged outside the infusion tube, and the electrode is electrically connected with the magnet exciting coil; and a flow velocity display unit. The electromagnetic ...

Three-dimensional manufacturability inspection comprehensive evaluation method based on multi-index TOPSIS

The invention discloses a three-dimensional manufacturability inspection comprehensive evaluation method based on multi-index TOPSIS, and the method comprises the following steps: S1, determining inspection indexes, and determining three-dimensional manufacturability evaluation indexes according to design experience, industry standards and a mechanical design manual; s2, index weights are calculated, an AHP analytic hierarchy process is adopted to construct a judgment matrix for the three-dimensional manufacturability evaluation indexes, and the index weights of elements of the lowest layer relative to a target of the highest layer are sequentially calculated layer by layer from top to bottom according to the judgment matrix; and S3, index comprehensive evaluation: according to the distance between the evaluation index and the positive ideal solution and the distance between the evaluation index and the negative ideal solution, calculating closeness, and according to sorting of the closeness ...

Frame structure building pile foundation supporting and inclination rectifying structure and method thereof

The invention discloses a frame structure building pile foundation supporting and inclination rectifying structure and method, and relates to the technical field of structural constructions.The frame structure building pile foundation supporting and inclination rectifying structure comprises a base, the base is a detachable square block, a fixing groove is formed in the middle of the base, the area of the middle of the fixing groove is larger than the sectional area of a pile, and four mounting holes are formed in the four corners of the base; a limiting assembly is arranged in the mounting hole and comprises a bottom nail, a connecting block and a limiting rod, the connecting block is fixedly connected to the upper end of the bottom nail, a connecting groove is formed in the upper end of the connecting block, and the bottom end of the limiting rod is in threaded connection with the connecting block; an inclination rectifying assembly is arranged above the base and comprises angle blocks ...

Welding assembly intelligent scheduling method and system

The invention provides an intelligent scheduling method and system for welding assembly. The method comprises the steps that nesting process coding is achieved, and machining information such as machining equipment and cache region capacity needed by welding is determined; historical production data is collected, main production data and interference data in the welding process are extracted, data features are fitted, and a data distribution function is determined; establishing a welding process dynamic mathematical description model, and designing and solving a target expression formula; a model solving algorithm system is realized, wherein a genetic algorithm is improved, and a heuristic algorithm and a lower bound estimation method of a problem model theory are constructed; solving the established mathematical problem model, generating a random case, comparing the random case with an estimated lower bound, and correcting optimal parameters input by an algorithm system according to indexes ...