提手盒

云游戏掌机（abxylute）

Flat canopy suitable for cultivation hickory chick

... 本实用新型提供了一种适用于栽培羊肚菌的平棚，属于羊肚菌栽培技术领域。一种适用于栽培羊肚菌的平棚，包括棚架和遮阳网，所述遮阳网设置在所述棚架的顶部和四周，所述棚架由3根以上的支撑柱通过顶部的连接件连接而成，所述支撑柱与地面固定连接，所述支撑柱位于地面与遮阳网之间的高度相等且不低于1.8米，所述支撑柱向外设置支撑架，所述支撑架的垂直高度小于所述支撑柱的垂直高度，所述支撑架呈弯折形或圆弧形，一端与所述支撑柱的顶部圆滑连接，另一端与所述支撑柱的中下部连接。本实用新型结构新颖，使用方便，针对羊肚菌栽培及生长的特点，提出了一种具有针对性且实用性强的栽培大棚，为羊肚菌的正常生长及增产增效提供了有利的保障。 ...

Numerical control intelligent beveling robot

The invention relates to a numerical control intelligent beveling robot. The beveling robot comprises an automatic aligning and clamping workbench and a milling power head; the automatic aligning and clamping workbench comprises a fixed side and a movable side, the fixed side is provided with a fixed side lifting stop lever, a fixed side suction cup assembly and a lifting type universal ball set, and the movable side is provided with a movable beam servo driving assembly, a movable side suction cup assembly and a lifting type material pushing oil cylinder. Two longitudinal moving suction cup trolleys are arranged between the fixed side and the moving side; the lifting type universal ball group is lifted, the fixed side lifting stop lever is lifted, and the lifting type material pushing oil cylinder pushes materials to realize positioning of a workpiece in the width direction; the longitudinal moving suction cup trolley adsorbs a workpiece, the lifting type material pushing oil cylinder ...

JANUS KINASE (JAK) FAMILY INHIBITOR, PREPARATION OF SAME, AND APPLICATIONS THEREOF

A 7-azaindole derivative having the structure of formula (I), a pharmaceutical composition containing the compound of formula (I), and uses of the compound in preparing a medicament for preventing or treating Janus kinase (JAK) family-related diseases, specifically, uses in preventing or treating inflammatory diseases related to protein tyrosine kinase.

Stoma nursing device

The invention relates to the technical field of stoma nursing, and discloses a stoma nursing device which comprises a supporting plate, transverse adjusting assemblies are symmetrically arranged on the outer side wall of the supporting plate, height adjusting assemblies are arranged at the bottoms of the transverse adjusting assemblies, a rotating assembly is installed at the top of the supporting plate, and the rotating assembly comprises a gearbox, a rotating shaft and a rotating shaft. The base is fixedly connected to the top of the supporting plate; the driving motor is arranged at the top of the gearbox, an output shaft of the driving motor is connected with an input shaft of the gearbox, and the driving motor is electrically connected with an external power supply; the rotating disc is arranged below the supporting plate; the ventilation physiotherapy assembly can blow air around the stoma nursing area, the ventilation efficiency near the stoma is improved, the stoma nursing experience ...

Floor

... 本实用新型涉及一种地板，为多层结构，包括位于底部的基材，基材的上方设置有PVC花纹膜，PVC花纹膜上方设置有PVC耐磨层，其中PVC耐磨层与PVC花纹膜之间通过热复合，PVC花纹膜与基材之间通过胶水相粘接。上述的地板，实现免漆防火、防水、防潮、防虫蛀、防脱落，而且其不含任何有害物质，生态环保，其材质稳定、不易涨缩、变形；地板表面硬度高、耐磨度高；花式品种多，装饰效果丰富多彩；生产速度快，造价成本低，利于推广；既能满足人们的使用需求，又能保护森林资源，保护环境。 ...

Method for creating sweet potato color germplasm resource by using IbMYB1-4 purple gene locus

The invention relates to a method for creating a sweet potato color germplasm resource by using an IbMYB1-4 purple gene locus. An IbMYB1-4 gene comprises a promoter and a coding region; wherein the nucleotide sequence of the promoter is as shown in SEQ ID No. 1; the nucleotide sequence of the coding region is as shown in SEQ ID No. 2. The IbMYB1-4 gene is mainly expressed in parts such as stem peripheral skin and leaves due to the difference of promoter sequences, the accumulation amount of anthocyanin and carotenoid in corresponding parts of sweet potatoes is changed, and the stems and leaves of the sweet potatoes with co-accumulation of anthocyanin and carotenoid are purple black. Exploration and utilization of excellent gene resources are the basis for realizing seed revitalization in China, the invention provides an excellent purple gene locus, and a key gene resource is provided for sweet potato nutritional quality improvement and color germplasm innovation.

Method and system for judging electrical performance of interface protrusion of direct-current cable

The invention discloses a method and a system for judging the electrical performance of an interface protrusion of a direct-current cable, and relates to the field of direct-current cables. The method comprises the following steps: preparing a first sample comprising interface protrusions of a direct-current cable insulating layer and a shielding layer, and analyzing the first sample in combination with a preset reference sample to obtain an analysis result; obtaining a target value of the analysis result according to the analysis result and a preset reference value; drawing a radar map according to the plurality of target values, calculating a radar map area value of the first sample according to the radar map, judging the electrical performance of the first sample according to the radar map area value, drawing the radar map according to the plurality of target values, and calculating the radar map area value of the first sample according to the radar map, the electrical performance of ...

Pre-hydrogenation fractionating tower top heat recovery device

The invention relates to the technical field of heat recovery devices, and discloses a pre-hydrogenation fractionating tower top heat recovery device which comprises a tower body, one side of the tower body is provided with a feeding port and a steam inlet, the upper end of the tower body is fixedly communicated with a gas outlet pipe, the upper end of the interior of the tower body is fixedly provided with a first shell, and the upper end of the first shell is provided with a first through hole in a penetrating mode; according to the invention, the first penetrating holes are formed in the upper end of the first shell at the upper end of the interior of the tower body in a penetrating manner, when gas passes through the first penetrating holes, heat can be transferred to water in the first shell, and then the heat is transferred into the connecting shells through water flow; when entering the feeding port through the spiral pipe, materials can be heated by hot water in the connecting shell ...

APPLICATION FUNCTION CONTROL METHOD AND TERMINAL

Provided in the present application are a control method and a terminal for an application function, wherein the method comprises: detecting a first operation input by a user for a target function, the first operation being used to trigger the running of the target function; acquiring identity information of the user in response to the detected first operation; and according to the identity information, determining whether the user has the permission to run the target function by using a first database, and if the user does not have the permission, prohibiting running the target function. The first database is configured to store identity information of a first user and/or identity information of a second user, wherein the first user has the permission to enable the target function and the second user does not have the permission to enable the target function. With the embodiment of the present application, the flexibility and application scope of application function control can be increased ...

High-performance aluminum-based composite material and preparation method thereof

The invention provides a high-performance aluminum-based composite material and a preparation method thereof, belongs to the technical field of preparation of metal-based composite materials, and aims to solve the technical problems that nanoparticles in a nanoparticle reinforced aluminum-based composite material are serious in agglomeration, low in mechanical strength and not resistant to abrasion. The preparation method comprises the following steps: heating and melting aluminum alloy to obtain aluminum alloy slurry, and cooling the aluminum alloy slurry to form semi-solid slurry; tiO2 nanoparticles are added into the semi-solid slurry, and semi-solid mixed slurry is prepared; heating the semi-solid mixed slurry to form a mixed melt, and carrying out ultrasonic vibration treatment; and then the mixture is poured into a mold and cooled, and the aluminum-based composite material is prepared. Multidirectional hot forging is conducted on the aluminum matrix composite, and multidirectional ...

Needleless injection device capable of adjusting micro dose and adjusting method

The invention relates to a needleless injection device capable of adjusting micro dose and an adjusting method. The device comprises a shell, and a needleless injection head and a pushing rod are arranged at the first end of the shell; the motor comprises a front end cover, a rear end cover, a stator and a rotor assembly, and the rotor assembly can drive the pushing rod to move so that medicine can be injected. The adjusting module is used for adjusting the dosage and comprises a first rotating part and a second rotating part which are meshed with each other, and the second rotating part can adjust the moving range of the rotor through reciprocating rotation; wherein the first rotating part comprises a first rotating piece and a second rotating piece which rotate coaxially and are meshed with each other, the second rotating piece is provided with a plurality of protrusions in the axial direction of the second rotating piece, and the shell is correspondingly provided with grooves. According ...

Optical fiber inertial measurement device stress acceleration stabilization method based on bidirectional LSTM neural network

The invention relates to an optical fiber inertial measurement device stress acceleration stabilization method based on a bidirectional LSTM neural network. The invention relates to the technical field of high-precision inertial measurement, a bidirectional LSTM network model for fiber-optic gyroscope parameter drift prediction is established, then the network is trained to complete optimization of model parameters, and precise characterization of time sequence complex characteristics of a zero offset error model of a fiber-optic inertial measurement device is realized. Static output data of the fiber-optic gyroscope and the quartz accelerometer are obtained through the built stress acceleration stabilization device based on the bidirectional LSTM neural network. And inputting the training set into the bidirectional LSTM neural network for training, and iteratively optimizing the network weight to obtain a final stress acceleration stability parameter drift prediction model of the optical ...

Large-scale traffic light signal control method based on primitive learning and deep reinforcement learning

The invention discloses a large-scale traffic light signal control method based on primitive learning and deep reinforcement learning, and the method comprises the steps: employing the phases of traffic lights and the length of a queue entering a lane as state values, employing the phases of the traffic lights as output values, enabling a traffic network to be modeled into graph structure data, enabling each traffic light to be a node, and enabling each node to be a node; extracting multi-hop neighbor nodes from each node in the road network to form a sub-graph taking the node as a center, and performing deep reinforcement learning training by using a primitive learning method based on a local sub-graph, so that an intelligent agent can perform intelligent signal control according to the real-time condition of the road network; the method is suitable for a large-scale scene with more than one thousand of traffic lights, the advantages of primitive learning based on local subgraphs are utilized ...

Circuit board and manufacturing method thereof

The invention provides a circuit board and a manufacturing method of the circuit board, and the circuit board comprises a substrate, a conductive bus, a plurality of conductive leads, a plurality of bonding pads, and a plurality of plating layers. The conductive bus, the conductive lead wires, the bonding pads and the plurality of plating layers are uniformly distributed on the substrate, the plurality of conductive lead wires comprise first lead wires and second lead wires, the plurality of bonding pads comprise first bonding pads and second bonding pads which are arranged at intervals, the plurality of plating layers comprise first plating layers and second plating layers, the first plating layers cover the surfaces of the first bonding pads, the second plating layers cover the surfaces of the second bonding pads, and the first plating layers cover the surfaces of the second plating layers. The first lead is electrically connected between the conductive bus and the first plating layer ...

Micro-dose adjusting method for needleless injection device

The invention relates to a micro-dose adjusting method for a needleless injection device. The micro-dose adjusting method comprises the following steps: providing the needleless injection device; the needleless injection device is kept in a vertical state, and the needleless injection head faces the face area of the injection object; acquiring a first face image of the face area through an image acquisition unit; a target micro-dose corresponding to the face area is selected according to the first face image, and a first adjusting signal is generated based on the target micro-dose and sent to the second adjusting module; the user or the second adjusting module adjusts the first adjusting module to the target position according to the first adjusting signal, or the user or the second adjusting module checks whether the first adjusting module is adjusted to the target position or not according to the first adjusting signal. According to the adjusting method, manual operation and automatic ...

Transfer device for IC chip production and use method thereof

The invention relates to the field of IC chip processing equipment, in particular to a transfer device for IC chip production and a using method thereof.The transfer device comprises a first connecting rack, a material guiding assembly, a chip bearing assembly, a discharging box, a transfer assembly, a servo motor, a material guiding sliding plate, a connecting lead screw, a fixing sliding groove, a second connecting rack, a positioning synchronous belt and a synchronous belt wheel; and a second connecting rack is fixedly mounted at the center of the front end surface of the first connecting rack. By arranging the transfer assembly, when the chips are transferred in batches, a guide air cylinder can circularly feed the chip bearing assemblies in the discharging box one by one through cooperation of a connecting push plate and a limiting baffle, and meanwhile, the transfer assembly can cooperate with feeding of the chip bearing assemblies to synchronously adsorb the chips; and the servo ...

Security protection method and system for network information

The invention provides a security protection method and system for network information. The method comprises the steps that an application side plug-in intercepts a first session request, generated information is fed back to a front end, and a front end plug-in generates a first verification request; the server side performs legality verification on the information contained in the first verification request; when the validity verification is passed, the server side carries out operation on the generated first request information, generates verification information and feeds back a validity verification passing result and the verification information to the front end, and the front end plug-in generates a second session request and sends the second session request to the application side plug-in; the application side plug-in obtains second request information in the second session request and sends the second request information to the server side, and the server side searches the first ...

Shared GNSS vehicle enhanced cooperative positioning method based on V2V

The invention discloses a shared GNSS vehicle enhanced cooperative positioning method based on V2V, and the method comprises the steps: receiving an original observation value of a satellite through a GNSS receiver carried by a vehicle, transmitting a GNSS observation value of the GNSS receiver to surrounding vehicles through vehicle-mounted communication equipment, receiving the GNSS observation values from the surrounding vehicles, and achieving the GNSS information interaction between the vehicles. Errors such as satellite clock correction, receiver clock correction, ionospheric delay and troposphere delay are eliminated by establishing an inter-vehicle double-difference model, the V2V relative position speed between vehicles is obtained by fixing inter-vehicle double-difference integer ambiguity, and a receiver single-point positioning result and the obtained V2V relative position speed are shared between the vehicles. And an absolute position which is more accurate than single-point ...

High-performance viscosity-reducing polycarboxylate superplasticizer and preparation method thereof

The invention belongs to the technical field of concrete admixtures, and particularly relates to a high-performance viscosity-reducing polycarboxylic acid water reducer and a preparation method thereof, and the viscosity-reducing polycarboxylic acid water reducer is prepared through a free radical polymerization reaction of an aqueous solution. The viscosity reduction type polycarboxylate superplasticizer is prepared from the following raw materials: isopentenol polyoxyethylene ether, unsaturated carboxylic acid, an unsaturated functional monomer, a redox initiator, a chain transfer agent and an alkaline solution. The viscosity reduction type polycarboxylate superplasticizer with excellent performance is obtained by adding functional monomers with different acrylate units for structural optimization. The polycarboxylic acid water reducer has a good viscosity reduction effect, improves the workability of concrete, has excellent dispersing performance under the condition of low mixing amount ...

Morchella esculenta single-spore hybrid strain JYN04 as well as breeding and application thereof

The invention provides a morchella esculenta single-spore hybrid strain JYN04 as well as breeding and application thereof, and belongs to the technical field of strain breeding. The method comprises the following steps: culturing a single ascospore to obtain a single spore strain group; selecting a single spore strain of which the character is superior to that of the parent strain as a candidate parent strain, pairing and hybridizing the candidate parent strain only containing the Mat1-1-1 genotype and the candidate parent strain only containing the Mat1-2-1 genotype to obtain a hybrid, and performing cultivation test and agronomic character evaluation on the parent strain and the candidate hybrid strain, and selecting candidate hybrids of which the yield, agronomic traits and resistance are superior to those of the parents to finally obtain the morchella importuna single-spore hybrid strain JYN04. Compared with a parent strain, the JYN04 strain has the advantage that the disease resistance ...

Drilling and sampling device for rock-soil layer investigation

The utility model discloses a rock-soil layer survey drill hole sampling device, including mounting frame, drilling mechanism and collecting device, mounting frame includes underframe and inclined frame, inclined frame is installed on the upper end of underframe, inclined frame with underframe fixed connection, drilling mechanism is installed on the head of inclined frame, and drilling mechanism with inclined frame longitudinal sliding connection, and collecting device is installed on the inclined frame. The collecting device is installed in the middle of the bottom frame, and the collecting device is horizontally and slidably connected with the bottom frame, so that a user can conveniently and stably push the mounting frame to move when needing to use, and the user can stably drive the annular shell to conduct drilling operation by controlling a rotating motor after reaching the designated position; then, a user can drive a sliding frame to stably ascend and descend through a hydraulic ...

Energy-saving refrigerating device with refrigerating pipeline assembly

The invention discloses an energy-saving refrigeration device with a refrigeration pipeline assembly, and relates to the technical field of refrigeration equipment. Comprising a condensation tank body, bases are fixed to the two sides of the bottom of the condensation tank body, a fluid inlet pipe and a fluid outlet pipe are fixedly communicated to the two sides of the condensation tank body respectively, two sets of refrigeration assemblies are fixed to the inner wall of the condensation tank body, each set of refrigeration assembly comprises a plurality of refrigeration pieces, and water flowing grooves are formed in the bottoms of the refrigeration pieces; and a plurality of vent grooves are formed in the sheet body of the refrigeration sheet. When fluid is condensed, cold water enters the refrigeration sheet through the cold water inlet pipe, the multiple sets of refrigeration assemblies are arranged, the cavities and the vent grooves are formed in the refrigeration sheet, the fluid ...

Method and device for planning cruise path and speed of automatic driving taxi

The invention discloses an automatic driving taxi cruise path and speed planning method and device, and the method comprises the steps: obtaining a historical cruise path, and dividing the historical cruise path to obtain a plurality of combinations comprising a training set and a test set; learning the road network data by adopting a preset path reward learning model to obtain a preliminary path reward; calculating a cruise strategy; selecting a training set of any combination, and learning based on the cruise strategy to obtain a first expected path access frequency of the current training set; updating a preset path reward learning model according to the first expected path access frequency and the corresponding first actual path access frequency; obtaining a second expected path access frequency of each test set based on cruise strategy learning, and calculating a coefficient of a preliminary planning reward in combination with a corresponding second actual path access frequency; combining ...

Sludge resource utilization method

The invention discloses a sludge resource utilization method which comprises the following steps: 1) adding a complex breaking agent into sludge, and stirring for complex breaking reaction; adding an acidic solution to control the pH value to be 2-3, and carrying out filter pressing on the sludge to obtain a mud cake and an acidic filtrate; and 2) adding alkali into the acidic filtrate, precipitating to obtain a precipitate, carrying out acidification thermal hydrolysis on the precipitate, filtering to obtain a solid, and drying the solid to obtain the flocculant product. According to the sludge resource utilization method disclosed by the invention, the sludge is subjected to complex breaking by adopting the complex breaking agent, and then inorganic metal ions are dissolved out by using acid, so that inorganic impurities in the sludge can be effectively removed, the organic matter content and the heat value are increased, and the resource utilization rate of the sludge is increased; inorganic ...

Galvanized automatic hanging process for cross rod of ring-lock type scaffold

The invention discloses an automatic hanging process for galvanizing a cross rod of a ring-lock type scaffold, which belongs to the technical field of intelligent manufacturing of galvanizing and comprises the following steps: vertically conveying the cross rod to be galvanized to a turntable; an electromagnetic gripper I and an electromagnetic gripper II which are oppositely arranged up and down are hinged to the turntable on the same vertical plane, and the electromagnetic gripper II is hinged to the turntable through a piston cylinder; a piston rod of the piston cylinder extends out, and the electromagnetic gripper II and the electromagnetic gripper I attract the middle of the cross rod; the transverse rod is rotated to the bolt hole to be close to the inner side of the turntable through the rotary correcting mechanism; the bolt is attracted to one side of the bolt hole through the bolt pulling electromagnet; the hook-shaped hanging tool is placed into a repairing mold, the repairing ...

METHOD AND SYSTEM FOR SELECTING MINIMUM LOAD ROUTER BASED ON NAIVE BAYES CLASSIFIER

The present invention relates to a method and system for selecting a minimum load router based on a naive Bayes classifier, capable of improving the performance of the method for selecting a minimum load router. A network snapshot records historical network state information, and a naive Bayes classifier is used for predicting a potential network blocking rate of all candidate routers between each node pair. The network snapshot corresponds to each service request that arrives and records the number of occupied network resource elements on each link. If the current service request establishes a connection on a candidate router, then the naive Bayes classifier predicts a potential blocking rate for future service connection establishment and calculates the load for each candidate router at the same time. Finally, a router with the smallest load and the lowest potential blocking rate for future service connection establishment is selected from all the candidate routers between the node pair ...

High-temperature vacuum sintering furnace feeding device and high-temperature vacuum sintering furnace

The high-temperature vacuum sintering furnace feeding device comprises a driving motor, a horizontal transmission mechanism, a horizontal conveying mechanism and a lifting mechanism, the driving motor is located outside a furnace body, the horizontal transmission mechanism is located in the furnace body, and one end of the horizontal transmission mechanism penetrates through the side wall of the furnace body and is detachably connected with a rotating shaft of the driving motor; the other end of the horizontal transmission mechanism is connected with the horizontal conveying mechanism and can drive the horizontal conveying mechanism to move in the axial direction of the furnace body, the horizontal conveying mechanism is further connected with the lifting mechanism in a clamped mode, the horizontal conveying mechanism can stretch out and draw back relative to the lifting mechanism, and an ejector rod is arranged at the bottom of the lifting mechanism. And an ejector rod of the lifting mechanism ...

Urea desorption waste liquid recycling process

The invention relates to a urea desorption waste liquid recycling process which specifically comprises the following steps: removing iron from a urea desorption liquid through an iron removal adsorber, removing calcium and magnesium hardness through a softener, conveying the urea desorption liquid to a water tank, conveying the urea desorption liquid from the water tank to a resolver through a desorption pump, removing oxygen, adding chemicals, and conveying the urea desorption liquid to a jacketed boiler through a water supply pump for recycling. The method has the advantages that the technical problems of low-temperature urea hydrolysis, biuret generation prevention and scaling and corrosion prevention on a heating surface and a steam pipe part are well solved, a new way is created for better utilization and treatment of the desorption waste liquid, water treatment technical services can be provided for chemical fertilizer enterprises, and the method is suitable for treatment of the desorption ...

Cosmetic composition and application thereof

The invention discloses a cosmetic composition which contains oleogel and a water phase, the water activity value of the water phase is controlled to be 0.87 or below, diffusion of water molecules in the water phase into the oleogel can be greatly reduced, and the visual transparency of the oleogel is maintained.

METHOD FOR CONTINUOUSLY PRODUCING STRENGTHENED ARAMID FIBER OPTICAL CABLE CORE

The present invention relates to the technical field of optical cables. Provided is a method for continuously producing strengthened optical cable cores made of an aramid fiber composite material, the production method comprising: pre-heating an aramid fiber; passing the aramid fiber through a uniformly mixed glue solution comprising an unsaturated resin, a curing agent, an unmolding agent, a filler and a coupling agent for molding and curing via a die; conducting a post-curing treatment thereon; passing the same through a tension sensor system; and drawing the same via a compression roller, and rolling to obtain a finished product. The present invention prevents a die blocking in a production process, enables continuous production over a long period of time, reduces production cost and improves production efficiency, and a long strengthened core facilitates the production of cables.

Material suction equipment

The invention relates to the technical field of injection molding, in particular to material suction equipment which comprises a material collecting box, a plurality of feeding pipes are arranged on the side wall of the material collecting box, a plurality of material storage boxes are arranged in an inner cavity of the material collecting box, and the feeding pipes and the material storage boxes are arranged in a one-to-one correspondence mode; the material collecting box is provided with a first driving assembly used for sucking materials into the material storage box, the bottom of the material storage box is provided with a material falling base, the material falling base is provided with a plurality of material falling channels communicated with the material storage box, the multiple material falling channels are evenly arranged at intervals, and the material falling base is provided with a material control plate in a sliding mode. A plurality of sets of material ports used in cooperation ...

MULTI-PHYSICAL FIELD MEASUREMENT DEVICE FOR METAL SOLIDIFICATION PROCESS AND HOUSING THEREOF, AND MEASUREMENT METHOD

A multi-physical field measurement device for a metal solidification process and a housing (2) thereof, and a measurement method, which relate to the field of analysis and measurement. Said device comprises: a sealed housing (2), a light-through hole (1) being provided on the housing (2); a heater (25), provided inside the housing (2) and located behind the light-through hole (1) along an X-ray (11); a diffraction detector (20), used for receiving the X-ray (11) which penetrates through a sample piece (15) and is scattered; a CMOS camera (18), located behind the heater (25) along the X-ray (11) and used for receiving a visible light signal which penetrates through the sample piece (15); a silicon drift X-ray detector (6), located at one side of the X-ray (11) and used for receiving a fluorescent signal sent by interaction between the X-ray (11) and the sample piece (15); and an infrared thermal imager (12), located at the other side of the X-ray (11) and used for receiving an infrared signal ...

Telescopic blanking device, high-temperature vacuum sintering furnace and sealed blanking method

A telescopic discharging device comprises an upper connector, an upper sealing mechanism, an inner sleeve, an outer sealing cover, an outer mounting seat, a lower sealing mechanism, a lower connector, a discharging box and a vacuumizing mechanism, the upper connector, the inner sleeve and the lower connector form a discharging channel, the upper end of the upper connector is fixedly connected with the bottom of a furnace body, the upper sealing mechanism is arranged on the upper connector, and the lower sealing mechanism is arranged on the lower connector. The upper end of the inner sleeve is connected with the upper connector in a sleeved mode and is in transition fit with the upper connector, the outer sealing cover is located on the outer side of the inner sleeve, the two ends of the outer sealing cover are connected with the outer mounting base in a sealed mode, the outer mounting base is connected with the inner sleeve in a sleeved mode, and the inner sleeve can slide relative to the ...

Water body treatment device for strengthening open type water body treatment

A water body treatment device for strengthening open type water body treatment comprises a ship body and treatment assemblies arranged on the two sides of the ship body. The treatment assembly comprises an arc-shaped baffle, a stand column arranged in the middle of the arc-shaped baffle, a spiral sliding groove rotationally formed in the stand column, a driving assembly arranged on the top of the stand column and a scraper assembly arranged on the stand column. The driving assembly is connected with the spiral sliding groove and used for driving the spiral sliding groove to rotate around the stand column. The scraper assembly can move up and down along the stand column, a scraper of the scraper assembly is arranged in the spiral sliding groove, and water leakage holes are formed in the scraper. A storage assembly is fixedly connected to the top end of the spiral sliding groove. When the spiral sliding groove rotates, the spiral sliding groove pushes the scraping plate and drives the scraping ...

METHOD AND APPARATUS FOR CONSTRUCTING DRUG KNOWLEDGE GRAPH

Disclosed in the present application are a method and apparatus for constructing a drug knowledge graph. One particular embodiment of the method comprises: identifying entities in a drug text; using character strings, that conform to a preset rule, to replace medical key entities among the entities to obtain replacement text; restoring the character strings, determined on the basis of the replacement text, in a word segmentation result to the medical key entities replaced with the character strings; on the basis of the entities, forming an entity linear relationship between the entities; and according to a parsing result obtained by performing syntactic parsing on the entity linear relationship, generating a drug knowledge graph. According to the embodiment, the accuracy of a medical knowledge graph is improved.

Information security assessment method and system, electronic equipment and storage medium

The invention relates to the field of network security, in particular to an information security assessment method and system, electronic equipment and a storage medium. The method comprises the following steps: acquiring to-be-evaluated information for performing security evaluation on a user object; wherein the to-be-evaluated information comprises asset information, threat information and vulnerability information; obtaining analysis result information of the user object according to the asset information, the threat information and the vulnerability information; and determining a risk assessment analysis model of the user object, and obtaining a security risk assessment report of the user object according to the risk assessment analysis model and the analysis result information. According to the evaluation method, comprehensive safety evaluation detection on the user object can be realized by integrating two aspects of technology and management, and multi-aspect analysis is performed ...

Method for characterizing delivery performance of nasal pharmaceutical preparation

The invention discloses a characterization method for delivery performance of a nasal drug preparation, relates to the technical field of drug performance characterization, and solves the technical problem that the characterization method for the delivery performance of the nasal drug preparation is not clear enough. According to the technical scheme, the testing method is characterized in that the drug delivery amounts of different nasal cavity parts represented by different components forming an ideal nasal cavity model can be obtained, so that the real situation of the deposition position of a preparation in the nasal cavity is reflected; according to the method, the actual use working condition of the atomization device is evaluated by adopting the constant flow velocity and the simulated flow velocity, and active and passive preparations can be evaluated; a definite characterization method of delivery performance of the nasal product is provided, and a standardized testing method and ...

Low-cost and high-reliability chip electrode and preparation method thereof, and LED chip

The invention discloses a low-cost and high-reliability chip electrode and a preparation method thereof, and an LED chip, and the chip electrode comprises a first adhesion layer which is used for making contact with a semiconductor layer or a transparent conductive layer disposed on the semiconductor layer, so as to be adhered to the semiconductor layer or the transparent conductive layer; the reflecting layer, the first protection layer, the bonding wire layer and the second adhesion layer are sequentially stacked on the first adhesion layer; wherein the metal medium used for forming the bonding wire layer is Cu. The invention aims to reduce the manufacturing cost of the chip electrode on the premise of ensuring the structural stability of the chip electrode and the reliability of the chip so as to reduce the manufacturing cost of the LED chip.

Rural sewage integrated three-dimensional biological-ecological coupling reactor

The invention belongs to the field of sewage treatment, and relates to an integrated three-dimensional biological-ecological coupling reactor and application thereof. The biological-ecological coupling reactor is divided into an inner layer and an outer layer, and the inner layer is based on the aerobic filler tank; the water distribution mode of the aerobic filler tank is an up-flow mode, an aeration pipe is arranged at the bottom, suspended filler is arranged in the central area, plants with developed roots are planted above the aerobic filler tank, a biological membrane is attached and grown, and a gas up-flow biological membrane reaction area is formed; the buffer tank, the anoxic tank and the clean water tank are sequentially connected and positioned on the outer layer of the reactor. The integrated biological-ecological coupling reactor for rural sewage can effectively solve the problems of poor fluctuation of water quality and water quantity of sewage, low C/N ratio, multiple sewage ...

Wiring method for high-temperature strain gauges of blades of middle-stage blisk of gas compressor

The invention provides a wiring method for high-temperature strain gauges of blades of an intermediate-stage blisk of a gas compressor, and belongs to the technical field of high-temperature dynamic stress testing of gas compressors of aero-engines. Through holes are formed in the centers of the front-stage blisk and the middle-stage blisk, an armored wire penetrates through the through hole of the front-stage blisk, a pin wire of the strain gauge extends to the position of the through hole of the middle-stage blisk to be tested, and the pin wire of the strain gauge is reserved; the tested middle-stage blisk is installed on the installation edge of the front-stage blisk, in the installation process, the armored wire on the front-stage blisk penetrates through the through hole in the tested middle-stage blisk, and switching of the armored wire and the pin wire is carried out on the rear side plane of the tested middle-stage blisk. According to the invention, the reliability of the dynamic ...

Rotating speed key phase reference acquisition method

The invention provides a rotating speed key phase reference acquisition method, and belongs to the field of high-speed rotating blade vibration non-contact measurement, and the method specifically comprises the steps: coaxially arranging a driving gear on an engine main shaft, arranging a driven gear engaged with the driving gear, enabling the driven gear to be installed through a driven shaft, enabling the driven gear to be fixed on the driven shaft, and enabling the driven gear to rotate; a phonic wheel coaxial with the driven gear is fixed on the driven shaft; acquiring a pulse signal of the phonic wheel; and performing frequency division processing on the pulse signal of the phonic wheel to obtain a one-revolution one-pulse rotating speed key phase reference signal corresponding to the rotating speed of the rotating shaft of the engine. According to the processing scheme, a rotating speed reference implementation method is designed at a position which is relatively large in installation ...

Decompression bomb detection and defense method and system, medium and electronic equipment

The invention provides a detection and defense method and system for a decompressed bomb, a computer readable storage medium and electronic equipment. In the method, on the basis of a decompressed bomb database, according to a received hash value of a compressed file acquired by a front end, hash detection is performed on the compressed file, and whether the compressed file is a decompressed bomb is determined; when the compressed file passes the Hash detection, receiving the uploading of the compressed file, carrying out compression ratio detection on the compressed file according to a preset compression ratio threshold value, and determining whether the compressed file is a to-be-observed file or not; when the compressed file is the file to be observed, the compressed file is decompressed in the isolation sandbox, decompression detection is conducted on the decompressed file, and whether the compressed file is a decompression bomb or not is determined; when decompression detection is ...

Soil pretreatment device and pretreatment method for heavy metal contaminated soil remediation

The invention discloses a soil pretreatment device and pretreatment method for heavy metal contaminated soil remediation. The device comprises a transport vehicle, a pretreatment box and a foam generation box which are located on the transport vehicle, and a soil sampling barrel located on one side of the pretreatment box, and a transmission auger used for transporting soil is arranged in the soil sampling barrel; the method comprises the following steps: S1, foam covering; s2, positioning the soil sampling cylinder; s3, soil collection; s4, soil pretreatment. According to the device, heavy metal contaminated soil can be collected, pretreated and transferred, meanwhile, foam can be prepared on a soil collection site and injected into the surface of the soil in cooperation with the foam generation box, overflow of strong pungent gas caused by heavy metal pollution in the soil is avoided, and foam injection and soil collection are synchronously carried out; the whole process is high in automation ...

Antibacterial ceramic silicone rubber material and preparation method thereof

The invention discloses an antibacterial ceramizable silicon rubber material which comprises the following raw materials: modified wollastonite, organic silicon rubber, a vulcanizing agent, white carbon black, hydroxyl silicone oil, zinc borate and other assistants. The dosage of each raw material is as follows: 100g of organic silicon rubber, 150g of modified wollastonite, 30g of white carbon black, 5g of hydroxyl silicone oil, 10g of zinc borate and 1g of vulcanizing agent. Wherein the modified wollastonite is (3-carboxypropyl) trimethyl ammonium chloride. The problem that an existing ceramic silicone rubber material does not have the antibacterial property is solved. The ceramic forming filler wollastonite is subjected to surface modification by using (3-carboxypropyl) trimethyl ammonium chloride, the modified wollastonite, the vulcanizing agent and other auxiliaries are added into the organic silicon rubber, the ceramic silicon rubber material with the antibacterial performance is prepared ...

Soil cadmium pollution determination method based on biological enrichment and ecological toxicological effect

The invention discloses a soil cadmium pollution determination method based on biological enrichment and ecological toxicological effect. The soil cadmium pollution determination method comprises the following steps: S1, sample pretreatment; s2, sample analysis and detection; s3, data processing and analysis: S3-1, biological enrichment coefficient calculation; s3-2, establishing a regression formula; s3-3, establishing an error formula; s4, optimizing a prediction model; and S5, performing prediction calculation under different pH values. According to the method, soil-crop one-to-one pollution data is obtained through sampling, a soil-crop enrichment prediction model is established, the influence of the cadmium content in the soil and the pH value of the soil on crop cadmium enrichment is analyzed, based on the pollution limit value of soil cadmium for protecting terrestrial ecology, a toxicological data model including soil physicochemical property parameters is preferably established ...

Medicine bottle matched with atomizer for use

A bottle cap is arranged at a bottle opening of the medicine bottle and comprises a bottle cap body and a downward extending part connected with the bottle cap body, the bottle cap body is connected with the bottle opening, the downward extending part is arranged in the medicine bottle, and a one-way filtering element is assembled on the bottle cap of a liquid medicine storage device. The one-way filter element has the function of ensuring that the pressure in the medicine bottle and the atmospheric pressure are in a balanced state during use, meanwhile, the one-way filter element can effectively filter out bacteria and macromolecular particles carried by air entering the medicine bottle, the risk that liquid medicine is polluted is effectively prevented, the liquid medicine can flow out through a pipe (needle) after the puncture layer is punctured, and the safety of the medicine bottle is improved. The liquid medicine filtering device is simple in structure and convenient to operate.

Organic fertilizer for improving microbial biomass and enzymatic activity of soil and preparation method thereof

The invention discloses an organic fertilizer for improving microbial biomass and enzymatic activity of soil and a preparation method of the organic fertilizer, and belongs to the technical field of preparation of organic fertilizers. The organic fertilizer is prepared from, by weight, 7-8 parts of bone meal, 3-5 parts of kieselguhr, 1-3 parts of seaweed meal, 4-5 parts of mixed residue powder, 7-9 parts of soybean curb residues, 3-5 parts of seaweed liquid, 4-5 parts of pomace and 10-20 parts of mixed compost. The preparation method comprises the steps that S1, mixed powder is prepared; s2, preparing an organic fertilizer; the organic fertilizer disclosed by the invention is rich in nutrient components such as nitrogen, phosphorus, potassium and trace elements, can effectively improve the soil fertility, can improve the absorption and utilization rate of crops on nutrient elements, and can increase the number of soil microorganisms, promote the activity of the microorganisms, regulate ...

Welding production line and welding method for special-shaped horn mold and cable metal sleeve

The invention discloses a special-shaped horn die which comprises a die frame, a metal belt deformation frame is arranged in the die frame, an annular supporting frame is arranged in the metal belt deformation frame, and the annular supporting frame and the metal belt deformation frame are connected through a hemming block used for enabling the edge of a metal belt to be rolled outwards to form a rolled edge. The invention further discloses a welding method of the cable metal sleeve. The welding method comprises the steps that the cut metal strip passes through the special-shaped horn mold, so that the edge of the metal strip is rolled outwards to form a rolled edge; enabling a cable core to pass through the special-shaped horn mold, and wrapping the cable core by a metal strip to form a formed cable; and after the formed cable passes through the last special-shaped horn die, heating and melting the curled edge, welding the outer side of the welding seam and smoothing the outer side of ...

Needleless injection pen

The invention provides a needleless injection pen. The needleless injection pen can solve the problems that an existing structure is complex, large in size, inconvenient to use, high in price and the like. An injector assembly and a power source assembly are concentrically arranged, the power source assembly comprises a spring, a spring barrel, a barrel-shaped shell, a conveying piece and a trigger, the spring barrel is rotatably sleeved with the barrel-shaped shell, and an inner cavity of the barrel-shaped shell is communicated with an inner cavity of the spring barrel to form a containing cavity extending in the vertical axis direction; an injection barrel of the injector assembly is concentrically and fixedly installed on a barrel-shaped shell, a plunger is axially connected with a conveying piece, the conveying piece can linearly move in a containing cavity along with relative rotation of the barrel-shaped shell and a spring shell, and a trigger is arranged at the top of a spring barrel ...

Preparation method of scourge-clearing and detoxifying oral liquid

The invention discloses a preparation method of an oral liquid for clearing heat and detoxifying. According to the invention, the raw materials for tonifying qi and blood, such as codonopsis pilosula, astragalus membranaceus, Chinese yam slices, bighead atractylodes rhizome and Chinese dates, are added into the raw materials for preparing the oral liquid, so that the oral liquid can play a certain role in strengthening and strengthening the spleen and the stomach in the process of taking the oral liquid by poultry, and the physique of the poultry can be enhanced in the recovery process by matching with the codonopsis pilosula, the bighead atractylodes rhizome and the like; therefore, the subsequent recovery speed is increased, the physique of the poultry is increased, and more economic benefits are brought to feeders. When radix scrophulariae, fructus forsythiae, radix rehmanniae, rhizoma coptidis and lotus seeds are extracted, normal-pressure decoction extraction is performed after strain ...

Marinating material production equipment and processing technology thereof

The invention discloses marinade production equipment and a processing technology thereof, relates to the technical field of marinade production, and solves the problems that existing marinade production efficiency is low, spices in a marinade bag do not meet formula requirements and the like, the marinade production equipment comprises a plurality of conical hoppers and further comprises discharging assemblies installed in the conical hoppers, and screening assemblies are installed at the tops of the conical hoppers; according to the marinating device, existing marinating material production is optimized, quantitative discharging of each spice can be achieved through the designed multiple conical hoppers and the discharging assemblies in the conical hoppers, weighing is conducted through the weighing pieces, and therefore the spice production efficiency is improved, and the production cost is reduced. Compared with an existing mode that various spices are mixed firstly and then are subpackaged ...

Domestic fungus fungus bag sterilization apparatus

... 本实用新型提供了一种食用菌菌袋灭菌装置，属于食用菌种植技术领域，包括密闭腔体、菌袋架、热蒸汽进管、蒸汽发生器、冷凝水收集腔和冷凝水回用管，热蒸汽进管从密闭腔体的侧壁进入密闭腔体的内部，密闭腔体的底部设置冷凝水收集腔，冷凝水收集腔通过冷凝水回用管与蒸汽发生器连接，菌袋架包括支撑板、及与支撑板非垂直连接的放置板，放置板由凹形水槽Ⅰ和承载板一体式构成，密闭腔体的侧壁设置有与凹形水槽Ⅰ相通的凹形水槽Ⅱ、及与放置板的两端连接的横向凹槽，凹形水槽Ⅱ与冷凝水收集腔相通。本实用新型结构新颖，实用性强，菌袋架活动设置在密闭腔体内，灵活性好，装菌袋方便，冷凝水与腔体内部的接触面小，散热少，热利用率高。 ...

Hoisting method for ultra-large irregular eccentric weight

The invention provides a hoisting method of an ultra-large irregular eccentric heavy object, which is characterized in that two lifting hooks are used for hoisting the irregular eccentric heavy object, the upper surface of the irregular eccentric heavy object is provided with a lifting point, and the connecting line of the four lifting points forms a quadrangle to surround the vertical projection point of the two lifting hooks; eight steel wire ropes are arranged, each lifting point is provided with two steel wire ropes, and the two steel wire ropes are respectively connected with the two lifting hooks, so that the weight of each lifting point is uniformly distributed to the two lifting hooks, trim can be reduced or eliminated by combining fine adjustment of the lifting hooks, and the expectation of lifting stability is met by mutual traction of the plurality of steel wire ropes. The method is beneficial to hoisting of irregular eccentric heavy objects and hoisting of special objects in ...

Needleless injection device using magnetic drive type motor and adjusting method

The invention relates to a needle-free injection device using a magnetic drive type motor and an adjusting method. The needle-free injection device comprises a shell; a needleless injection head and a push rod are arranged on one side of the shell; the inner side of the shell is further provided with a magnetic drive type motor used for injecting and sampling medicine, the motor comprises a stator and a rotor which are arranged between the front end cover and the rear end cover, the stator comprises a first hollow framework provided with a plurality of permanent magnets, and the outer side of the framework is wrapped with a magnetic insulation sleeve; the rotor comprises a second hollow framework arranged on the inner side of the first hollow framework, a plurality of wire sets separated by partition plates are arranged on the framework, and a wire mounting groove and an isolation pipeline are further arranged on the framework so that wires can sequentially penetrate through the isolation ...

Laminating and cutting device for gridding cloth

The invention provides a gridding cloth overlying and cutting device which comprises a first rack, a first pair of rollers, a second pair of rollers, a cutting air cylinder, a lower cutter, a second rack and a third pair of rollers, a first inflatable shaft is arranged on the first rack, and a belt wheel transmission mechanism is arranged between roller shafts of the first pair of rollers and the second pair of rollers; the cutting cylinder is arranged between the first pair of rollers and the second pair of rollers on the first rack, and the lower end of the cutting cylinder is connected with an upper cutter; the lower cutter is arranged between the first pair of rollers and the second pair of rollers; a second inflatable shaft is arranged on the second rack; and a fourth upper supporting plate and a fourth lower supporting plate which face the first pair of rollers are arranged in front of the third pair of rollers.

Fan assembly and vehicle

The invention provides a fan assembly and a vehicle, the fan assembly comprises an assembly outer frame, a fan assembly connected to the assembly outer frame, a first filter screen, a second filter screen and a pressing piece, the first filter screen and the second filter screen are located on the air inlet side of the fan assembly, and the second filter screen is located between the fan assembly and the first filter screen; when the fan assembly works, sucked air sequentially passes through the first filter screen and the second filter screen, floccules in the air are filtered out, the floccules are prevented from entering the frame to affect heat dissipation of the water tank, and safety is improved. The first filter screen is provided with a cambered surface protruding in the direction opposite to the fan assembly, and when floccules make contact with the first filter screen, component force towards the peripheral side can exist, so that the floccules are guided to the peripheral side ...

Industrial wastewater treatment system and use method

The invention discloses an industrial wastewater treatment system and a use method, and belongs to the technical field of sewage treatment. The system comprises a sedimentation tank, a first motor, a chemical agent box and a sewage tank, the first motor is installed on the sedimentation tank through a motor support, the chemical agent box is located above the sedimentation tank, the bottom of the chemical agent box is connected with the top of the sedimentation tank through a liquid feeding pipe, and a chemical agent feeding assembly is movably arranged in the liquid feeding pipe; one end of the chemical feeding assembly extends out of the liquid feeding pipe and is connected with an output shaft of the first motor, the sewage tank is located above the sedimentation tank, the bottom of the sewage tank is connected with the top of the sedimentation tank through a downpipe, and a sewage feeding mechanism is movably arranged in the downpipe; one end of the sewage feeding mechanism extends ...

Ship moving launching supporting system

The invention provides a ship moving and launching supporting system which is located between a slipway and a ship body and composed of a plurality of cross beams, tackles and docking blocks. The beams are arranged at the bottom of the ship body at intervals in the length direction of the ship body, the pulleys are located below the beams and used for providing supporting force for the beams to bear the ship body, and the docking blocks are located at preset positions of the slipway. The pulleys are in sliding connection with the slipway, the ship body can be driven to move directionally on the slipway by jointly carrying the ship body through the multiple pulleys, and the ship moving process of the ship body is achieved. After the ship body is moved to the preset position of the slipway, the docking block is used for replacing the pulley to abut against the cross beam, bottom supporting can be provided for the ship body, and the ship body sitting process is achieved.

Atomizer capable of being matched with disposable liquid medicine container

In order to solve the problems that an existing liquid storage container needs liquid medicine added with preservatives and the stored dosage is large, the atomizer capable of being matched with the disposable liquid medicine container comprises a container body and a liquid medicine conveying pipe base matched with the atomizer for use. A closed accommodating cavity is formed between the container body and the liquid medicine conveying pipe seat through the first sealing mechanism; liquid medicine preparations are stored in the closed containing cavity, and the container body and the liquid medicine conveying pipe base are detachable, so that the disposable liquid medicine storage container can be used for storing liquid medicine without preservatives.

Preparation method and application of mixed modified biochar

The invention discloses a preparation method of mixed modified biochar. The preparation method comprises the following steps: S1, preparing biochar powder; s2, oxidation modification; s3, activating and catalyzing; the prepared mixed modified biochar can be applied to remediation of cadmium-polluted soil; the mixed modified biochar obtained by the preparation method has the characteristics of large specific surface area, multiple surface adsorption sites and easiness in firm combination with metal ions, is high in pollutant removal rate, is environment-friendly and harmless, and can effectively realize stable remediation of cadmium-polluted soil.

Inner shell design method of double-shell ship and double-shell ship

The invention provides an inner shell design method of a double-shell ship and the double-shell ship. The inner shell design method comprises the steps that S1, an outer shell surface of an original double-shell ship is inwards shifted by a preset distance, so that a new ship shell surface is obtained; and taking the new ship shell surface as an inner shell prototype surface, and taking the inner shell prototype surface as a reference for subsequently adjusting the inner shell surface. And S2, the original ship ballast tank capacity of the inner shell surface is calculated. And S3, when the capacity of the ballast tank meets the design requirement, the original inner shell face is adjusted to be close to the inner shell prototype face. And respectively adjusting the shapes and positions of a plurality of folding surfaces of the original bow inner shell surface, midship inner shell surface and stern end surface to finish the design of the inner shell surface. According to the method, the ...

Resourceful treatment method for landfill leachate

The invention discloses a method for resourceful treatment of landfill leachate, and belongs to the technical field of leachate treatment. The specific method is as follows: the leachate sequentially passes through the expanded granular sludge bed anaerobic reactor digestion system, the synchronous carbonization and ammonia stripping system, the anaerobic membrane bioreactor digestion system, the nanofiltration system and the synchronous nitrification and denitrification system. The advantages of efficient COD removal of the anaerobic EGSB, maximum energy conversion of the AnMBR and synchronous carbonization calcium removal and ammonia stripping are fully combined, so that the method has the advantages of no need of an external carbon source, low aeration energy consumption, less greenhouse gas emission, stable system operation, low residual sludge yield and the like, and has more environmental benefits and economic benefits.

Visual endoscope with turning endoscope sheath

The invention relates to the technical field of detection instruments, in particular to a visual endoscope with a turning sheath, which comprises a positioning mechanism, a regulating mechanism is slidably mounted at the center of the front end of the positioning mechanism, second magnetic sheets are fixedly mounted on two sides of the rear end of the positioning mechanism, and a first magnetic sheet is fixedly mounted at the bottom of the rear end of the positioning mechanism. Handles are fixedly installed on the two sides of the front end, away from the first magnetic attraction piece, of the positioning mechanism, a connecting wire is fixedly installed at the bottom end of the interior of the positioning mechanism, and the regulation and control mechanism comprises a rotating assembly and a butt joint which is rotationally installed in the center of the rear end of the rotating assembly; the rotating assembly comprises a sheath cannula, an auxiliary cleaning device, a visual probe line ...

Automatic dredging and dust collecting pressure relief system for titanium sponge production

The invention discloses an automatic dredging and dust collecting pressure relief system for titanium sponge production, which is characterized in that an exhaust port of an automatic pressure relief valve for a titanium sponge reactor is communicated with an air inlet channel of a negative pressure dust collecting box through a pressure relief pipeline; a horizontal cleaning rod is arranged in the pressure relief pipeline on the side corresponding to an exhaust port of the automatic pressure relief valve, a strip-shaped hole is formed in the side, horizontal to the horizontal cleaning rod, of the pressure relief pipeline, the horizontal cleaning rod is connected with an acting piece of an air cylinder through a connecting piece, and the air cylinder is fixed to the outer wall face, on the downstream of the strip-shaped hole, of the pressure relief pipeline. A plurality of communicated cavities are formed in the negative pressure dust collection box through a plurality of partition plates ...

AUV (Autonomous Underwater Vehicle) multi-state estimation cooperative positioning method based on MEMS (Micro Electro Mechanical System)/underwater acoustic ranging

The invention discloses an AUV (Autonomous Underwater Vehicle) multi-state estimation cooperative positioning method based on MEMS (Micro Electro Mechanical System)/underwater acoustic ranging. The method comprises the following steps: 1, establishing a cooperative system AUV multi-state estimation equation; 2, establishing a cooperative system AUV measurement equation, and performing linearization processing by adopting first-order Taylor expansion; and step 3, based on the multi-state estimation equation in the step 1 and the measurement equation in the step 2, filtering and updating the state information of the system by adopting a Kalman filtering algorithm. According to the cooperative positioning scheme provided by the invention, the cost of a cooperative system can be greatly reduced, the estimation of a plurality of state quantities of the following AUV is realized through the underwater acoustic ranging information, and the positioning precision is greatly improved.

Plastic bag cutting equipment

The invention relates to the technical field of plastic bag cutting, in particular to plastic bag cutting equipment which comprises a machine base and a discharging roller rotationally connected to the machine base, a feeding roller and a pressing roller are rotationally connected to the machine base, a plurality of mounting bases are fixed to the machine base, pressing frames are slidably connected to the mounting bases, and the pressing frames are fixedly connected to the machine base. A hob is arranged on the machine base in a rolling mode, at least one pressing frame is distributed on each of the two sides of the hob, an elastic piece used for driving the pressing frames to abut against the upper surface of the machine base is arranged on the side wall of the installation base, and a driving assembly used for driving the hob to roll is arranged on the machine base. A linkage assembly used for driving the pressing frame to abut against the upper surface of the machine base is arranged ...

Self-circulation sewage treatment system

The invention discloses a self-circulation sewage treatment system, and belongs to the technical field of sewage treatment. The system comprises a supporting frame and a filtering mechanism, the filtering mechanism is arranged on the supporting frame and comprises a water tank, a cleaning mechanism is arranged in the water tank and divides the inner space of the water tank into a fishing cavity and a drainage cavity, and a water opening is formed in the upper portion of the cleaning mechanism and communicated with the fishing cavity and the drainage cavity. A separation membrane plate is arranged on the inner side of the cleaning mechanism in the water tank, an air inflation mechanism, a liquid inlet mechanism and a driving mechanism are arranged at the bottom of the water tank, the top of the liquid inlet mechanism is communicated with the interior of the cleaning mechanism through a discharging barrel, the bottom of the liquid inlet mechanism is communicated with the upper portion of ...

High-temperature morchella septimelata hybrid strain JYN09 and breeding and application thereof

The invention provides a high-temperature morchella septimelata hybrid strain JYN09 as well as breeding and application thereof, and belongs to the technical field of strain breeding. The strain is obtained through multi-spore hybridization and breeding. Firstly, ascospores are obtained through domestication and ejection of wild strains, then hybrid strains are obtained through multi-spore hybridization, the multi-spore hybrid strains are cultured and cultivated, when ascocarps grow to 3-5 cm, high-temperature treatment is conducted, strains with excellent characters in mature ascocarps are selected as candidate materials, and the ascospores are cultured and cultivated. And carrying out tissue separation on the candidate material to obtain the high-temperature morchella septimelata hybrid strain JYN09. Compared with a parent strain, the new hybrid strain has the advantages that the temperature type is high, the highest primordium development temperature is increased by 3.1 DEG C, the highest ...

Video auxiliary device for power transformation operation and maintenance

The invention discloses a video auxiliary device for power transformation operation and maintenance. The video auxiliary device comprises a handle and a rotating head, a telescopic rod is slidably connected into the handle, a gooseneck pipe is arranged at the left end of the telescopic rod, and a mounting seat is arranged at the left end of the gooseneck pipe; the rotating head is rotationally connected to the left end of the mounting base, an adjusting mechanism is arranged in the rotating head, a camera is arranged at the end of the outer side of the adjusting mechanism, and a strip-shaped opening matched with the adjusting mechanism is formed in the middle of the cambered surface of the left side of the rotating head; a control panel is installed at the right end of the outer side face of the handle through a hoop, and a displayer is inlaid in the upper surface of the control panel. According to the video auxiliary device for power transformation operation and maintenance, the length ...

Water layer AC machine about immersible pump formula

... 一种潜水泵式上下水层交流机，其特征在于：安装时，垂直放置于池塘水中，处在池塘底部的潜水泵(1)，其上通过法兰与输水管(2)相连接，输水管(2)上通过法兰与圆筒式浮筒(3)中心孔内置管(6)相连接，内置管(6)上部配有外螺纹与配套有内螺纹的喷头(5)相旋接；启动工作时由潜水泵(1)将底层水及淤泥絮状物抽起，经过输水管(2)，通过喷头(5)喷出，洒落在水表面，达到上下底层水体充分交流。通过促进池塘水体上下底层的充分交流及促使池底淤泥悬浮物的再悬浮释放，打破上下水温分层、上下溶氧分层、上下pH的分层等，改善下底层溶氧不足的状况，保持水体上下pH均衡和稳定，有效降低亚硝酸盐、硫化氢、氨、甲烷等有害物质的积累。 ...

Implementation method and equipment of static report designer based on luckysheet and storage medium

The invention relates to an implementation method and equipment of a static report designer based on luckysheet and a storage medium. The method comprises the following steps: S1, importing interface data: importing a report data background interface document; s2, visual table sample design: carrying out visual table sample design by using luckysheet, and dragging the data to a corresponding cell; s3, table sample analysis: analyzing the visual table sample through a luckysheet table sample analysis engine to obtain configuration information, and landing the configuration information to a background database; and S4, table sample rendering: when the front end opens the report, obtaining the layout, the style, the header and the table body configuration recorded by the background database and the data to be displayed corresponding to the report, and then converting into a front-end table component according to the layout, the style, the header and the table body configuration and the data ...

Fabricated framework plate construction steel bar tensioning device and process

The invention discloses a fabricated skeleton plate construction steel bar tensioning device and process, and relates to the technical field of skeleton plate production. The fabricated skeleton plate construction steel bar tensioning device comprises a mounting plate and two supporting leg frames fixedly connected to the lower end face of the mounting plate in a bilateral symmetry mode, a distance adjusting mechanism is mounted on the lower end face of the mounting plate, a plurality of tensioning mechanisms are mounted on the lower portion of the distance adjusting mechanism at equal intervals, and the distance adjusting mechanism is used for adjusting the distance between the tensioning mechanisms; and the pressing rod is hinged to the upper portion of the rod frame through a convex lug and used for being matched with the trapezoidal pressed block, and a pulling assembly is jointly installed between the pressing rod and the rod frame. And then the trapezoidal clamping blocks can be automatically ...

Needleless injection device for micro-adjustment and adjustment method

The invention relates to a needleless injection device for micro-adjustment and an adjustment method. The device comprises a shell, a first end of the shell is provided with a needleless injection head and a push rod; the motor comprises a front end cover, a rear end cover, a stator and a rotor assembly, and the rotor assembly can drive the pushing rod to move so that medicine can be injected. The adjusting module is used for adjusting the dosage and comprises a special-shaped rotating part capable of rotating in the circumferential direction of the rotor assembly and a limiting block arranged at the second end of the second hollow framework; wherein a plurality of steps with different heights are sequentially arranged on the first side of the special-shaped rotating part, an auxiliary rotating piece is arranged on the second side of the special-shaped rotating part, and the auxiliary rotating piece can move in a reciprocating mode along a rotating path arranged on the rear end cover. The ...

Method for monitoring jamming state of valve rod of steam turbine valve

The invention relates to the technical field of steam turbines, in particular to a method for monitoring the jamming state of a valve rod of a steam turbine, and the method comprises the steps: monitoring a vibration response characteristic value on the valve rod of the valve when a steam turbine unit operates, and taking the vibration response characteristic value on the valve rod under the initial operating state of the steam turbine unit as a reference value; and comparing the monitored current vibration response characteristic value on the valve rod with the reference value, and judging the jamming degree of the current valve rod according to the difference value between the current vibration response characteristic value and the reference value. The method can provide an effective reference for a worker to timely know the contact degree of the valve rod and the bushing in the operation process of a turboset and judge the jamming state of the valve rod, is helpful for the worker to ...

Near-surface ozone concentration inversion method and device, storage medium and chip

The invention relates to a near-surface ozone concentration inversion method and device, a storage medium and a chip, and relates to the technical field of pollutant prediction.The near-surface ozone concentration inversion method comprises the steps that a mode data sample, a remote sensing data sample and an observation station data sample under the same time-space are determined, the mode data sample is a data sample which is predicted by an air quality model and contains a first ozone concentration sample, the remote sensing data sample is a data sample which is provided by satellite remote sensing and contains a second ozone concentration sample, and the observation station data sample is a data sample which is monitored by a station and contains a third ozone concentration sample; taking the mode data sample, the remote sensing data sample and the observation station data sample under the same time-space as training data, and establishing a target inversion model; and taking the mode ...

Foundation pit anchoring installation mechanism

The foundation pit anchoring installation mechanism comprises an anchor cable, a grouting pipe and a guide device are arranged in the anchor cable, and the guide device is arranged at the end, facing the interior of a foundation pit, of the anchor cable and used for driving the anchor cable to enter the foundation pit for anchoring. The guide device drives the anchor cable to move to the bottom end in the foundation pit and is connected with the inner wall of the foundation pit to fasten the anchor cable and reinforce foundation pit anchoring; the barb device is arranged on the anchor cable, the barb device is used for anchoring when the anchor cable enters the foundation pit, and the barb device is connected with the inner wall of the foundation pit and the concrete layer to reinforce anchoring of the anchor cable; the tightening device is arranged in the length direction of the anchor cables, and the tightening device is used for collecting and binding the dispersed anchor cables and ...

Automatic hanging rotary table mechanism for galvanizing of cross rod of ring-lock type scaffold

The invention discloses an automatic hanging rotary table mechanism for galvanizing of a disc buckle type scaffold cross rod, and belongs to the technical field of galvanizing automation. The automatic hanging rotary table mechanism comprises a disc, a hinge arm is hinged to the outer edge of the disc, the hinge arm is provided with a magnetic attraction piece, a vertically-hinged piston cylinder is arranged on the vertical plane where the hinge arm moves, and the piston cylinder is connected with a magnetic piece; a rotary correcting mechanism is arranged above the magnetic attraction part, the rotary correcting mechanism is provided with an alignment sensor and a shifting fork, a plug pin pulling electromagnet is arranged at the position, on the inner side of the hinge arm, of the disc, and the height position of the plug pin pulling electromagnet is higher than that of the hinge arm. A to-be-galvanized cross rod can be vertically attracted and held through the arrangement of the magnetic ...

Carbonate rock thin reservoir prediction method based on seismic amplitude ratio attribute

The invention provides a carbonate rock thin reservoir prediction method based on seismic amplitude ratio attributes. The carbonate rock thin reservoir prediction method comprises the steps that an earthquake-geology combined interpretation work area is established, and well data and data are loaded; filtering processing; defining stratum interface characteristics of the top and bottom of a target layer and each section of an inner screen, and constructing an in-region sequence stratigraphic framework; summarizing reservoir types and characteristics of a target interval of the research area; well seismic fine calibration is carried out, a stratigraphic interpretation framework is built, and fine interpretation tracking is carried out on the seismic horizon of the whole area; the method comprises the following steps: establishing a reservoir development geologic model of a target interval, carrying out model forward modeling research, carrying out statistics on amplitude values of all interfaces ...

Grey wolf algorithm hybrid optimization method based on reverse learning strategy

The invention discloses a grey wolf algorithm hybrid optimization method based on a reverse learning strategy, which belongs to the field of software testing, and comprises the following steps of: aiming at the problems that a grey wolf algorithm is easy to fall into local optimum and insufficient global search capability, firstly, increasing local search and global search capability of the algorithm; the updating strategy of the elite individual position in the wolf pack is optimized, the Levy flight strategy is adopted to generate random jump in the wolf pack searching process, and the searching range is expanded; then, the algorithm is further prevented from falling into local optimum, a reverse learning strategy is adopted for wolf pack individuals, reverse learning is adopted for grey wolf elite individuals and worst grey wolf individuals in the search process, and wolf pack diversity is increased; and finally, in order to balance local search and global search capabilities of the ...

Finite element analysis method used before cable laying and simulation model

The invention discloses a finite element analysis method used before cable laying. The finite element analysis method comprises the following steps that (1) a cable simulation model and a bending supporting piece model under the actual bending working condition are established; (2) setting structural parameters of the models, defining mechanical parameters of material attributes, setting interface mutual contact conditions and dividing grids for the cable simulation model and the bending supporting piece model respectively; 3) applying grid constraint according to the boundary condition of the model, simulating the direction, size and constraint of an external load, displacing grid nodes, and deducing and determining the relationship between node stress and displacement; 4) calculating the size distribution of the lateral pressure, and post-processing the result; and 5) judging whether the result meets the requirement. According to the finite element analysis method used before cable laying ...

Supramolecule of gamma-aminobutyric acid-substance with cinnamic acid structure as well as preparation method and application of supramolecule

The invention discloses a supramolecule of a gamma-aminobutyric acid-substance with a cinnamic acid structure, a crystal form, a preparation method and application of the supramolecule, the supramolecule connects gamma-aminobutyric acid with the substance with the cinnamic acid structure through a non-covalent bond, and the supramolecule is added into cosmetics, so that the gamma-aminobutyric acid-substance with the cinnamic acid structure is obtained. The functional activity of the substance with the cinnamic acid structure can be remarkably improved, and the synergistic interaction of the GABA and the substance with the cinnamic acid structure can be realized.

Regeneration system equipment and regeneration process based on zinc-containing waste acid treatment

The invention discloses regeneration system equipment and a regeneration process based on zinc-containing waste acid treatment in the technical field of hot galvanizing, and the regeneration system equipment comprises a fixed frame, a crystal bin is fixed on the horizontal ground through the fixed frame, and the top of a feeding device is communicated to the bottom of a discharge port of the crystal bin; the movable storage box is arranged under a discharging port of the feeding device, the fixing frame is arranged on the right side end face of the crystal bin through the fixing frame, the inner groove is formed in the top of the fixing frame, the movable installation plate is movably installed in the inner wall of the inner groove, and the driving assembly is fixedly installed on the top of the movable installation plate. The pushing shaft rod is movably installed at the output end of the driving assembly, the regeneration furnace is installed on the front end face of the fixing frame, ...

DGT device for gradient thin film diffusion method and use method

The invention relates to the technical field of gradient thin film diffusion, and discloses a DGT device for a gradient thin film diffusion method and a using method, and the device comprises a gradient thin film detection device and a soil positioning device which is arranged below the gradient thin film detection device and can be inserted into soil; the gradient film detection device comprises a detector mounting structure, a gradient film detector arranged on the detector mounting structure, and an elastic expansion device which is arranged in the detector mounting structure and can be in contact with the gradient film detector; the use method comprises the following steps: S1, placing the DGT detection device in soil; s2, the gradient detection module is in close contact with the soil; s3, gradient diffusion detection; according to the device, soil can make close contact with the gradient detection module, the soil detection range is wider, and accurate detection of the heavy metal ...

Domestic fungus sterilization is with fungus bag frame

... 本实用新型提供了一种食用菌灭菌用菌袋架，属于食用菌种植技术领域。一种食用菌灭菌用菌袋架，包括支撑板、及与所述支撑板非垂直连接的放置板，所述放置板由凹形水槽和承载板一体式构成，所述凹形水槽和承载板交替设置，所述支撑板上设置通孔Ⅰ，所述承载板上设置通孔Ⅱ。本实用新型结构新颖，实用性强，支撑强度高，装配方便，冷凝水通过凹形水槽汇集，散热更快，提高了热利用效率。 ...

Preparation method and application of chitosan magnetic modified material for soil remediation

The invention discloses a preparation method and application of a chitosan magnetic modified material for soil remediation, and belongs to the technical field of soil remediation, the preparation method comprises the following steps: S1, biomass pretreatment: pretreating biomass to obtain a solid-phase substance; s2, biomass charcoal preparation: pyrolyzing and activating a solid-phase substance to obtain biomass charcoal; s3, preparing a solid mixture: mixing the biomass charcoal and chitosan to prepare the solid mixture; and S4, preparing the magnetic modified biomass charcoal material: curing epoxy resin to form a sphere, and fixing a solid substance on the surface of the spherical solid resin through the epoxy resin to obtain the magnetic modified biomass charcoal material.The remediation efficiency of the heavy metal contaminated soil can be effectively improved, and the remediation cost of the contaminated soil can be effectively reduced.

Water-blocking corrugated aluminum sheath high-voltage cable and production method thereof

The invention relates to the technical field of cable design, in particular to a water-blocking corrugated aluminum sheath high-voltage cable and a production method. The invention discloses a water-blocking corrugated aluminum sheath high-voltage cable which comprises a water-blocking buffer layer, an aluminum sheath with spiral groove-shaped embossing is arranged on the outer side of the water-blocking buffer layer, and a copper wire water-blocking layer is arranged between the aluminum sheath and the water-blocking buffer layer. The copper wire waterproof layer comprises a round copper wire and a flat copper wire which are sequentially arranged, and the flat copper wire is located at the embossed position of the aluminum sheath. The technical problem to be solved by the invention is to develop the water-blocking corrugated aluminum sheath high-voltage cable and the production method, which can improve the water-blocking effect and the heat conduction capability of the cable buffer layer ...

Intelligent improvement method and system for data updating frequency of atomic interference gyroscope

The invention discloses an intelligent improvement method and system for the data updating frequency of an atomic interference gyroscope, belongs to the field of inertial measurement and navigation positioning, and solves the problem that the data updating rate and the measurement precision of the atomic interference gyroscope influence each other. According to the method, the atomic interference gyroscope is used for collecting data, in combination with a sparse improved GCSMK-GPR prediction model IGCSMK GPR, the data updating frequency is improved, then the laser gyroscope is used for collecting information, consistency monitoring and correction are carried out on output data of the atomic interference gyroscope, model parameters in a sparse GCSMK-GPR prediction algorithm are corrected, and therefore the precision of the GCSMK-GPR prediction algorithm is improved. Therefore, the prediction precision is improved. The method is suitable for improving the data updating frequency of the atomic ...

Underwater detection robot

An underwater detection robot comprises a detection box and a cleaning part, the cleaning part is arranged at the front end of the detection box, the cleaning part comprises a cleaning plate which is in sliding lifting with the detection box, a swing plate is rotationally connected to the side, located in the advancing direction of the detection box, of the cleaning plate, a cutting part is arranged at the rear end of the swing plate, and the cutting part is rotationally connected with the cleaning plate; the power assembly is arranged on a driving track at the bottom end of the detection box, the driving track and the detection box are lifted in a sliding mode, the driving track is arranged at the rear end of the cutting part, spiral pumps are arranged on the two sides of the detection box, the spiral pumps are connected with the detection box in a rotating mode, transmission parts are arranged on the spiral pumps, and one end of each transmission part extends into the detection box to ...

Liquid medicine storage container with filtering element

The liquid medicine storage container comprises a medicine bottle, a bottle cap is arranged at a bottle opening of the medicine bottle, the bottle cap comprises a bottle cap body and a downward extending piece connected with the bottle cap body, the bottle cap body is connected with the bottle opening, the downward extending piece is arranged in the medicine bottle, and a one-way filtering element is assembled on the bottle cap of the liquid medicine storage container. The one-way filter element has the function of ensuring that the pressure in the medicine bottle and the atmospheric pressure are in a balanced state during use, meanwhile, the one-way filter element can effectively filter out bacteria and macromolecular particles carried by air entering the medicine bottle, the risk that liquid medicine is polluted is effectively prevented, the liquid medicine can flow out through a pipe (needle) after the puncture layer is punctured, and the safety of the medicine bottle is improved. The ...

Steam turbine low-pressure cylinder steam cooling system and adjusting method

The invention relates to the technical field of steam turbines, in particular to a steam turbine low-pressure cylinder steam cooling system. Comprising a controller, a pressure sensor, a temperature detector, a first nozzle group, a second nozzle group, a first water spraying pipeline and a second water spraying pipeline, wherein the pressure sensor is used for monitoring exhaust steam pressure of an exhaust steam side of a low-pressure cylinder; the temperature detector is used for monitoring exhaust steam temperature of the low-pressure cylinder; the first nozzle group and the second nozzle group are respectively provided with a plurality of nozzles arranged on the exhaust steam side of the low-pressure cylinder; the first water spraying pipeline and the second water spraying pipeline are provided with a first adjusting valve and a second adjusting valve respectively, and the pressure sensor, the temperature measuring device, the first adjusting valve and the second adjusting valve are ...

Canopy encircles suitable for cultivation hickory chick

... 本实用新型提供了一种适用于栽培羊肚菌的拱棚，属于羊肚菌栽培技术领域。一种适用于栽培羊肚菌的拱棚，包括棚架和遮阳网，遮阳网设置在棚架的顶部和四周，棚架由4根以上的支撑柱通过顶部的连接件Ⅰ和连接件Ⅱ连接而成，连接件Ⅱ呈拱形，支撑柱与地面固定连接，支撑柱位于地面与遮阳网之间的高度不低于1.8米，支撑柱向外设置支撑架，支撑架的垂直高度小于支撑柱的垂直高度，支撑架为弯折形或圆弧形，一端与支撑柱的顶部圆滑连接，另一端与支撑柱的中下部连接。本实用新型结构新颖，使用方便，针对羊肚菌栽培及生长的特点，提出了一种具有针对性且实用性强的栽培大棚，为羊肚菌的正常生长及增产增效提供了有利的保障。 ...

Production line and production method for high-voltage power cable insulation in non-crosslinking material

The invention discloses a non-crosslinking material middle-high voltage power cable insulation production line, which comprises a wire storage device, an upper traction machine, a plastic extruding machine, a non-crosslinking cooling device, a gas-liquid separator, water cooling devices and a take-up device which are arranged in sequence, an electromagnetic heating device is also arranged between the water cooling devices, and the electromagnetic heating device comprises a thermal insulation layer with a through hole inside. A cable can pass through the through hole, and a heating coil is wound outside the thermal insulation layer. The technical problem to be solved by the invention is to develop the production line and the production method for insulating the high-voltage power cable in the non-crosslinking material, which can prevent micropores and internal stress from being generated in insulation.

Liquefied natural gas ship filling station

The invention provides a liquefied natural gas ship refueling station which comprises a first refueling station and a second refueling station, a first liquid collecting tray in the first refueling station is installed above a storage room, and a second liquid collecting tray in the second refueling station is installed on the surface of a ship main deck. The liquefied natural gas ship filling station can adapt to wharfs with different heights; in addition, the water curtain pipe is integrated on the liquid collecting tray, so that the problem of narrow arrangement and construction space is solved; in the first filling station, the ship is protected by combining a water curtain pipe and a protective layer, so that the safety is improved; in the second filling station, the second liquid collecting tray is installed on the main deck of the ship in a bolt connection and sleeving mode, and the problem that manual operation is difficult due to the narrow space is solved.

System and method for preventing blade water erosion of low-pressure cylinder of steam turbine

The invention relates to the technical field of turbines, in particular to a turbine low-pressure cylinder blade water erosion prevention system. Comprising a controller, an ultrasonic sensor, a temperature detector, a first nozzle group, a second nozzle group, a first water spraying pipeline and a second water spraying pipeline, wherein the ultrasonic sensor is used for monitoring the particle size and concentration of liquid drops on the steam exhaust side of a low-pressure cylinder; the temperature detector is used for monitoring the steam exhaust temperature of the low-pressure cylinder; the first nozzle group and the second nozzle group are respectively provided with a plurality of nozzles arranged on the steam exhaust side of the low-pressure cylinder; the number of nozzles of the second nozzle set is larger than that of nozzles of the first nozzle set, a first adjusting valve and a second adjusting valve are arranged on the first water spraying pipeline and the second water spraying ...

Conv-Bi-LSTM model-based ship heaving motion prediction system and prediction method

The invention provides a ship heaving motion prediction system and a ship heaving motion prediction method based on a Conv-Bi-LSTM model. The method comprises the following steps: acquiring historical motion data of a ship, establishing a data set of motion information, preprocessing the data set, randomly splitting the data set, and acquiring a training data set and a test data set; a Conv-Bi-LSTM model is adopted to construct a ship heave prediction model, the training data set is adopted to train a Conv-Bi-LSTM network, and the ship heave prediction model is obtained; inputting the test data set into a ship heaving motion prediction model for prediction to obtain test data prediction precision, and evaluating the performance of the model by using average error (MAE), mean square error (MSE), root mean square error (RMSE) and average absolute percentage error (MAPE) evaluation indexes; according to the method, historical motion information of multiple degrees of freedom serves as input ...

Hydraulic motor follow-up pile-up valve for impact bridge erection

The hydraulic motor follow-up pile-up valve comprises a valve body used for installing a valve element, and the valve body is provided with a shuttle valve set, a balance valve, an overflow valve, a hydraulic control reversing valve, a three-way pressure reducing valve, a one-way valve and a throttling valve. The shuttle valve group comprises a shuttle valve I and a shuttle valve II, the shuttle valve I and the shuttle valve II are connected in series, the shuttle valve I is mounted between an A-port oil way and a B-port oil way of the hydraulic motor, and the shuttle valve II is mounted between an outlet oil way of the shuttle valve I and an external control oil way; the balance valve and the overflow valve are arranged between an A-port oil way and a B-port oil way of the hydraulic motor; the hydraulic control reversing valve is arranged between an A-port oil way and a B-port oil way of the hydraulic motor behind the overflow valve; the three-way pressure reducing valve is arranged on ...

Liquid level telemetering method and liquid level telemetering system

The invention discloses a liquid level telemetering method and a liquid level telemetering system. The liquid level telemetering method comprises the steps of creating a three-dimensional model of a liquid tank in a ship, and obtaining ship draft pressure data, pressure data in the liquid tank, atmospheric pressure data, density data of liquid in the liquid tank and the acquisition position of the pressure data in the liquid tank. And calculating the draft distance of the ship according to the ship draft pressure data and the atmospheric pressure data, and calculating the trim and heeling of the ship according to the draft distance. According to the pressure data in the liquid tank and the density of the liquid in the liquid tank, the vertical distance from the liquid level in the liquid tank to the position where the pressure data in the liquid tank is collected is calculated. Creating an in-cabin liquid level in the three-dimensional model of the ship according to the pressure data acquisition ...

Multi-target tracking method based on multi-agent collaborative deep reinforcement learning

The invention discloses a multi-target tracking method based on multi-agent collaborative deep reinforcement learning, and the method comprises the steps: carrying out the modeling of an environment through a three-dimensional coordinate method, and obtaining an environment model; obtaining input data based on the environment model; inputting the input data into a tracking model, and determining a tracking trajectory of the tracking target; the tracking model is used for dynamically tracking the position information of the tracking target in the environment model by using a tracking agent, taking the environment feedback information and the current frame position information of the tracking target at a ratio of 4: 6 as input, and taking the next frame position information as output, and determining the tracking trajectory of the tracking target; the method constructs the tracking model based on the twin neural network, gives full play to the synergistic effect of multiple agents, makes ...