智能型电磁加热蒸汽发生器

Pharmaceutical composition of DPP-IV inhibitor

The invention belongs to the field of pharmaceutical preparations, and relates to a pharmaceutical composition of a DPP-IV inhibitor, in particular to a pharmaceutical composition of 8-((R)-3-amino-piperidine-1-yl)-1-([1,2,5]thiadiazolo[3,4-b]pyridine-5-methyl)-7-(2-butyne-1-yl)-3-methyl-xanthine and a preparation method of the pharmaceutical composition. The pharmaceutical composition disclosed by the invention not only greatly improves the stability of the CT-383, but also increases the bioavailability of the CT-383, and shows good dissolution rate and dissolution rate in the dissolution process; the pharmaceutical composition has excellent dissolution characteristic, stability and bioavailability, solves the technical problem of medicine formation of the CT-383 compound, and is convenient for clinical use.

Environmental simulation device

The environment simulation device comprises an ice rink, a wind tunnel and a wind direction adjusting assembly, and the wind tunnel is arranged on one side of the ice rink and provided with an air outlet facing the ice rink; according to the environment simulation device, an ice rink and blowing coupling experiment can be carried out, the melting rate of the ice rink is prevented from being influenced by air outlet of a wind tunnel, the melting rate of the ice rink is reduced, and the experiment cost is reduced.

洗涤袋挂架（心愿单袋）

挂壁式储能电池

Functionalized boron nitride nanosheet, polyurethane elastomer, polypropylene composite material and preparation method and application thereof

The invention discloses a functionalized boron nitride nanosheet, a polyurethane elastomer, a polypropylene composite material and a preparation method and application thereof. The preparation method comprises the following steps: (1) mixing and heating 2, 3-epoxypropyl trimethyl ammonium chloride and diphenyl phosphate to form a phosphorus-containing eutectic solvent p-DES; (2) hexagonal boron nitride h-BN, p-DES and agate balls are added into a ball milling tank for ball milling; (3) dispersing the ball-milled mixture into a mixed solution of isopropanol and water for ultrasonic treatment; (4) centrifuging to remove the h-BN and the p-DES which are not stripped, so as to obtain a functionalized boron nitride nanosheet P-BNNS; (5) mixing polyester glycol and P-BNNS, adding hexamethylene diisocyanate, and adding a chain extender and a catalyst to prepare a P-BNNS modified polyurethane elastomer P-BNNS coated PU (polyurethane); and (6) taking P-BNNS-coated PU as a flame-retardant and toughening ...

Novel resin anchor rod capable of preventing anchor from falling off and construction method of novel resin anchor rod

The invention discloses a novel anti-dropping resin anchor rod and a construction method thereof, and relates to the technical field of mine support. One end of an anchor rod body of the resin anchor rod is a conical rod head, a steel nail for anchoring is arranged above the conical rod head, a plurality of anchoring devices are arranged in the middle of the anchor rod body in the length direction of the anchor rod body, the other end of the anchor rod body is sequentially sleeved with a rubber bag, a metal disc and a fastening nut, and the rubber bag is connected with a hydraulic device through a three-purpose valve. During construction, anchor rod drill holes matched with anchor rod bodies are drilled according to the designed hole distribution positions; hydraulic oil is injected into the rubber bag through the three-purpose valve by utilizing an existing hydraulic device until the designed pressure is reached, the resin anchoring agent is stuffed into the bottom of the drilled hole, ...

Method for reducing adverse effects of consumable precipitates on cultured animal cells

The invention provides a method for reducing the toxicity of consumables in the animal cell culture process. According to the action mechanism of consumable dissolution substances toxic to cells, consumption of lactic acid is promoted, generation of the lactic acid is reduced, volatilization of the lactic acid and the dissolution substances is increased in the mode that a copper sulfate solution is added, glucose is partially replaced with galactose, and ventilation capacity is improved, and therefore the aerobic oxidation level is increased. Besides, the slightly acidic pH value cannot reduce the generation of lactic acid, but increases the damage to the CHO cells, so that the maintenance of the neutral pH value is more beneficial to the growth of the CHO cells and the expression of exogenous recombinant proteins (such as antibodies).

Filling roof-contacted construction method suitable for water-containing roof of underground phosphorite mountain

The invention discloses a filling roof-contacted construction method suitable for a water-containing roof of an underground phosphorite mountain, and relates to the technical field of filling mining methods. Firstly, drainage holes are drilled in top plate surrounding rock in advance before roof contact, and top plate water spraying is reduced; the last layer of ore body is blasted in a smooth blasting mode, so that a flat top surface can be formed; the stope is filled with high-concentration slurry, and a filling body water drainage pipe is installed in advance; when the stope filling body is air-dried to a certain degree, the roof surrounding rock drainage hole is used as a grouting hole, grouting and water plugging are conducted on the roof surrounding rock, and meanwhile the surrounding rock is reinforced. The influence of water spraying on filling slurry is reduced by disposing top plate water spraying in advance, meanwhile, the tree-shaped water drainage holes are formed in the filling ...

Temporary storage loading position plate taking positioning mechanism

The invention discloses a temporary storage loading position plate taking and positioning mechanism which is installed behind a carrier plate temporary storage mechanism and comprises a plate taking assembly, a plate patting platform and a plate patting assembly, the plate taking assembly places a carrier plate on a temporary storage loading position in the carrier plate temporary storage mechanism on the plate patting platform, the plate patting assembly patts the two sides of the carrier plate on the plate patting platform, and the plate patting assembly is used for patting the carrier plate on the plate patting platform. And the carrier plate is positioned in the middle of the plate beating platform. According to the temporary storage loading position plate taking and positioning mechanism provided by the invention, the loading plates on the temporary storage loading positions in the loading plate temporary storage mechanism can be automatically taken and positioned, so that the subsequent ...

ELECTRON BEAM OSCILLOSCOPE HAVING IMPROVED TEMPORAL RESOLUTION, AND MEASUREMENT SYSTEM THEREOF

An electron beam oscilloscope having improved temporal resolution, and a measurement system thereof. The oscilloscope has a high-voltage pulse generator (105) having a positive output end connected to a microstrip cathode (101). A negative output end of the high-voltage pulse generator (105) is connected to an MCP image intensifier tube (104). An anode mesh (102) is grounded. The microstrip cathode (101), the anode mesh (102), the MCP image intensifier tube (104), and a CCD are sequentially arranged, and the microstrip cathode (101), the anode mesh (102), the MCP image intensifier tube (104), and the CCD are coaxially arranged. A magnetic focusing lens (103) is located between the anode mesh (102) and the MCP image intensifier tube (104). The CCD is used to display a measurement light spot image, and analyzes and processes the measurement light spot image to obtain a detection waveform. The electron beam oscilloscope having improved temporal resolution uses a pulse voltage to cause electron ...

Electric power sharing transaction method based on block chain carbon right transaction system

The invention discloses an electric power sharing transaction method based on a block chain carbon right transaction system, and the method comprises the steps: taking a carbon right transaction as a secondary transaction market of an energy transaction from an electric power market, and constructing a carbon emission right transaction market mechanism among multiple subjects; a block chain platform is used as an underlying technical support, a specific electric power carbon right point-to-point transaction mechanism model is established, and detailed analysis is carried out on declaration quantity and price information of participated market subjects. According to the method, the advantages of tampering prevention, safe storage and traceability of block chain data are considered, a power carbon right point-to-point market transaction mechanism for low-carbon production and elimination users based on the block chain technology is designed, theoretical research of the block chain in power ...

Edible mushroom picking device

The invention provides an edible mushroom picking device which is characterized in that the two ends of a shell are open ends, and universal wheels are fixedly connected to the four corners of the bottom face of the shell correspondingly; the first picking mechanism comprises a rotating cylinder, one side of the rotating cylinder is fixedly connected with a driving part, the other side of the rotating cylinder penetrates through the inner wall of the shell and is provided with an air exhaust part, and the rotating cylinder is provided with a collecting part; one end of the first conveying mechanism is arranged below the rotary drum, and the other end of the first conveying mechanism is communicated with the first discharging opening; the second picking mechanism comprises a picking cutter, the picking cutter is in sliding contact with the bottom surface of the inner cavity of the shell through a fixing part, a material guiding part is arranged above the picking cutter, and a vibration part ...

Concrete stirring device for building construction

The invention discloses a concrete stirring device for building construction in the technical field of building construction, the concrete stirring device comprises a base, a fixed box and a stirring box, a rotating assembly, a moving assembly and a driver are arranged on the fixed box, a plurality of placing mechanisms and forming dies are arranged on the outer side of the rotating assembly, and a stirring shaft and a driving assembly are arranged in the stirring box. According to the device, the rotating assembly and the moving assembly are made to work in turn through the driving assembly, so that the positions of the forming dies are switched in sequence, the forming dies move at the discharging assembly, and materials are distributed more evenly; by arranging the multiple protruding blocks, materials in the forming die are vibrated to be flat, and the concrete forming effect is improved; the functions of smashing, screening, stirring, forming and the like are integrated, continuous ...

Vehicle-mounted network intrusion detection data set richness evaluation method based on improved SOM

The invention discloses a vehicle-mounted network intrusion detection data set richness evaluation method based on an improved SOM, and the method comprises the steps: 1, giving a vehicle-mounted network intrusion data set, and dividing a data packet into a normal type and an attack type according to the label of the data packet; 2, dividing a data packet into a header and a load according to different protocol types; step 3, performing SOM clustering on different features, loads and data packets to obtain partial features, loads and overall category numbers under a specific threshold, and further obtaining a data set richness matrix; and 4, processing different data sets, and comparing the richness matrix of each data set so as to compare the richness of different vehicle-mounted network intrusion data sets from different angles. According to the method, the richness of the data set can be evaluated from different angles, transverse comparison of different real and virtual data sets is ...

Next interest point recommendation method based on spatio-temporal information representation

The invention discloses a next interest point recommendation method based on spatio-temporal information representation, and relates to the technical field of recommendation, and the method comprises the steps: carrying out the personalized sign-in of the period information of four granularities of month, week, day and hour of a timestamp, employing an attention mechanism to calculate and obtain the personalized representation of the time t for the time of a user, according to the time personalized representation, the time coding representation and the embedded representation of the user sign-in interest point, calculating the embedded representation of the user sign-in sequence, and calculating a new sign-in sequence representation in combination with the embedded representation of the sign-in sequence after local information causal convolution enhancement and the embedded representation of the spatial relationship; and calculating the preference of the user to the interest point at the ...

OPTIMIZATION SCHEDULING DECISION METHOD EMPLOYING SIMULATION TECHNIQUE FOR AIR COMPRESSOR ASSEMBLY

Optimization scheduling decision method employing simulation technique for air compressor assemblies, pertaining to the technical field of information. The method comprises: constructing a sample set of an air compression energy consumption model by using expert experience, learning, by means of a least squares algorithm, a parameter related to the air compressor energy consumption model, setting an objective function as maximizing an equivalent electrical energy-based energy conversion rate and minimizing financial costs, and finding, by applying a simulation technique and a depth-first tree search algorithm, a solution of a multi-objective optimization scheduling model for the air compressor assembly; and describing a preference of a decision maker by using a fuzzy logic theory, and introducing preference information of the decision maker into interactive decision making, thereby helping manufacturing operators to establish a safe, economical, efficient, and environmentally-friendly operation ...

Foundation pit supporting device for civil construction of transformer substation

The invention relates to the technical field of substation civil construction, in particular to a foundation pit supporting device for substation civil construction, and provides a stable substation foundation pit supporting device with a positioning structure. A foundation pit supporting device for civil construction of a transformer substation comprises a supporting module, the supporting module comprises a baffle and a reinforcing plate, the reinforcing plate is perpendicularly arranged in the middle of the baffle to form a T-shaped structure, the reinforcing plate is of a triangular structure, the inclined end face of the reinforcing plate inclines towards the outer side away from the baffle from bottom to top, and a blocking strip is arranged on the inclined end face of the reinforcing plate. By arranging the supporting module of the T-shaped structure, the deeper the baffle is vertically inserted, the larger the extrusion force of the extending end of the reinforcing plate is, the ...

Closed-loop thermal error control dynamic cooling method for precision machine tool spindle

The invention discloses a closed-loop thermal error control dynamic cooling method for a precision machine tool spindle, which comprises the following steps of: 1, taking the machine tool spindle as a controlled object, an active cooling system as an actuator and an axial thermal error of the spindle as a controlled variable; 2, controlling the total radial thermal error value of the main shaft to be close to zero; 3, after the active cooling system is used for preheating the machine tool, a bias coordinate system is set through tool setting, machining is started, and the influence of the axial thermal error of the main shaft in the machining process is eliminated; and meanwhile, the influence of radial thermal errors generated by the main shaft and the stand column in the machining process is compensated by dynamically cooling the stand column. Compared with an existing main shaft cooling method, the main shaft cooling method aims at maintaining the stability of the thermal error instead ...

Machine tool spindle

The machine tool spindle comprises a spindle body, a spindle motor, a spindle core, a front bearing system, a rear bearing system and a cutter handle locking and releasing mechanism, the spindle core is provided with a balance weight ring fixed to the outer circle face of the spindle core, and balance weight holes are evenly formed in the periphery of the outer ring face of the balance weight ring at intervals in the circumferential direction; a counterweight material mounting operation channel is formed in the bearing seat or/and the main shaft body, extends inwards from the outer side surface of the bearing seat or/and the main shaft body to the counterweight ring, and can be aligned and communicated with each counterweight hole by rotating the shaft core; and a sealing cover for selectively opening and closing the counterweight material mounting operation channel is arranged on the surface of the bearing seat or/and the main shaft body. The dynamic balance of the shaft core can be realized ...

Coffee active phenol, composition and application of coffee active phenol in preparation of product with function of promoting peristalsis and/or relieving constipation

The invention discloses coffee active phenol, a composition and an application of the coffee active phenol in preparation of a product with the function of promoting peristalsis and/or relieving constipation. The coffee active phenol has a structure as shown in a formula I or a formula II. The composition and the extract comprise coffee active phenols with structures as shown in a formula I and a formula II. The coffee active phenol with the structure shown in the formula I or the formula II or the composition thereof has the effects of promoting peristalsis and relieving constipation; therefore, the coffee active phenol with the structure shown in the formula I or the formula II or the composition of the coffee active phenol or the extract containing the coffee active phenol with the structure shown in the formula I and/or the formula II has important application value when being used as an active ingredient for preparing food, dietary supplements or medicines with the functions of promoting ...

Machine tool spindle

The invention discloses a machine tool spindle which comprises a spindle body, a spindle motor, a spindle core, a front bearing system, a rear bearing system and a spindle cooling system. A cooling liquid channel distributed in a shell layer of the front bearing seat in the cooling liquid channel network is provided with an annular channel arranged in the circumferential direction of the front bearing seat, a cooling liquid front bearing seat inner input channel and a cooling liquid front bearing seat inner output channel, wherein the cooling liquid front bearing seat inner input channel and the cooling liquid front bearing seat inner output channel are communicated with the annular channel. The front bearing seat is provided with a front bearing seat body and an outer cover installed on the outer side face of the front bearing seat body, the front bearing seat body and the outer cover are matched to form the annular channel, a blocking component is arranged between the front bearing seat ...

Embedded atmospheric data sensing system pressure measuring device

The invention provides an embedded atmospheric data sensing system pressure measuring device. The embedded atmospheric data sensing system pressure measuring device comprises a pressure measuring hole, an air entraining device, a high-temperature-resistant SAW pressure sensor, an antenna, a reader and an atmospheric data resolving unit. The pressure measuring holes are distributed on the circumference of the front end of the surface of the aircraft head; the air entraining device is used for introducing atmospheric pressure from each pressure measuring hole to the surface of each SAW pressure sensor; the reader transmits a broadband radio frequency inquiry signal, the SAW sensor returns a radio frequency response signal containing pressure information after receiving the radio frequency inquiry signal, and the reader analyzes the radio frequency response signal returned by the sensor array to obtain pressure distribution information of the position where each sensor unit is located; the ...

A SFC based on PLC programming to the ladder diagram of the conversion method

... 本发明公开了种基于PLC编程中SFC到梯形图的转换方法，包括以下步骤：（1）遍历SFC程序列链表，得到含有有效图符的程序块并将其转化成二维数组存储；（2）将步骤（1）中的程序块进行划分，分为单序列程序块和串并联程序块，若为单序列程序块则直接转换为梯形图，否则进入步骤（3）；（3）判断步骤（2）中的串并联程序块为串联结构还是并联结构；（4）将步骤（2）中的串并联程序块划分为若干分支，并检查每个分支；若分支为单序列结构，则直接将其转换为梯形图，否则进入步骤（2）。本发明提供了种SFC到梯形图的转换方法，完成了SFC到梯形图，再将本发明的梯形图进步转换为指令表的工作，即能实现了PLC与下位机的通信。 ...

Steam turbine flow characteristic diagnosis method

The invention discloses a steam turbine flow characteristic diagnosis method, which comprises the following steps of: establishing a steam turbine set control valve flow characteristic diagnosis mathematical model in a single numerical form according to a steam turbine principle and a field control valve flow characteristic test, and generating and outputting a deviation value XT-X0 between a real-time flow characteristic factor and a reference flow characteristic factor; and the deviation value XT-X0 is added to a DCS historical database, and a broken line trend chart of a single parameter changing along with time is presented in the DCS historical trend, so that the accurate evaluation and real-time early warning functions of the steam turbine unit control valve flow linearity are achieved.

Evaluation method and system considering charging space-time coupling characteristics of electric vehicle, and medium

According to the evaluation method and system considering the charging space-time coupling characteristic of the electric vehicle and the storage medium, a network topology structure is abstracted according to an actual road network, a road network adjacency matrix is generated in combination with power grid constraints, and a road network-power grid mapping model based on a graph theory is established; generating a trip chain from time, space and activity target behavior information, and carrying out probabilistic modeling on trip features; a Dijkstra algorithm is adopted to calculate the shortest driving path of the electric vehicle; according to the vehicle information and the charging facility information, generating an electric vehicle charging demand and charging time, and establishing an electric vehicle charging model; adopting a Monte Carlo algorithm to generate uncertain parameter information of departure time, arrival time, departure time and arrival time charge level of the ...

Vegetable waste crushing system

The vegetable waste crushing system comprises a conveying belt, baffles are fixedly connected to the two sides of the conveying belt, a cutting assembly and a rolling assembly are fixedly connected between the two baffles correspondingly, a conveying barrel abuts against the lower portion of one end of the conveying belt, a quantifying assembly is installed in the conveying barrel, an opening is formed in the side, away from the conveying belt, of the quantifying assembly, and a connecting pipe is fixedly arranged in the opening; the bottom of the connecting pipe is fixedly connected and communicated with a smashing cylinder, a smashing mechanism is installed in the smashing cylinder, and the connecting pipe is located below the quantifying assembly. Vegetable waste can be cut and crushed layer by layer, the ideal crushing effect is achieved, the efficiency is high, and the practicability is high.

Self-consistent power distribution unit-based transformer area flexible interconnection planning method and planning device

The invention provides a transformer area flexible interconnection planning method and device based on a self-consistent power distribution unit, and the method comprises the steps: obtaining the uncontrollable data of a transformer area, calculating the uncontrollable net load of the transformer area based on the uncontrollable data of the transformer area, and enabling the uncontrollable data to comprise the uncontrollable distributed power generation power of the transformer area and the rigid load power of the transformer area; calculating a transformer area complementary matching degree in the distribution network based on the transformer area uncontrollable net load; selecting the self-consistent power distribution units in the two transformer areas with the highest transformer area complementary matching degree for planning, and constructing target functions and constraint conditions of the self-consistent power distribution units; and solving the objective function, and outputting ...

Positioning measurement system based on CORS system

The invention relates to a positioning measurement system based on a CORS system, relates to the field of river channel construction, solves the problems of high labor cost and low precision of an obtained lofting result required by a traditional mode, and comprises a data server arranged on a work station, and the data server is connected with a matched user terminal. Wherein the GPS base station and the GPS mobile station are arranged in a riverway measurement area, the handheld detector communicates with the GPS mobile station through short-distance wireless signals, and a wireless communication module for achieving wireless communication between the handheld detector and the data server is further arranged in the handheld detector. The GPS mobile station further comprises a display module and a touch display screen connected with the display module. According to the online lofting method and device, online lofting design is achieved, online data correction and processing are achieved ...

Calibrating device for pasting type optical fiber strain gauge

The invention provides a calibration device for a pasted optical fiber strain gauge, the calibration device comprises a support column, a constant-strength beam, a force load applying unit and an angle adjusting unit, the constant-strength beam comprises a fixed end and a free end, the constant-strength beam is fixed on the support column through the fixed end, and the force load applying unit is fixed on the support column through the free end. The equal-strength beam is used for bearing the optical fiber strain gauge so that the optical fiber strain gauge can be attached to the equal-strength beam. The force load applying unit is connected with the free end of the equal-strength beam and used for applying force load to the equal-strength beam. The angle adjusting unit is connected with the supporting stand column and used for adjusting the included angle between the supporting stand column and the horizontal plane so that the direction of the force load applied by the force load applying ...

Jig backflow cooling temporary storage machine

The invention discloses a jig backflow cooling temporary storage machine which comprises a cooling machine, an outer cover, a jig stopping jacking conveying mechanism arranged in the outer cover, a jig backflow lifting mechanism and a jig temporary storage frame, a cold air supply outlet of the cooling machine is communicated with the outer cover, and the input end of the jig stopping jacking conveying mechanism is in butt joint with the output end of a jig in the last procedure. The output end of the jig stopping jacking conveying mechanism is in butt joint with the jig input end of the next procedure, and the stopping jacking end of the jig stopping jacking conveying mechanism and the jig temporary storage frame are located in the working area of the jig backflow lifting mechanism. According to the jig backflow cooling temporary storage machine, automatic cooling and temporary storage operation on jigs is achieved, multiple layers are cooled at the same time, human intervention is little ...

Server downtime restart data recovery method and device based on oversized graph calculation

The invention relates to the technical field of graph computing, and provides a server downtime restart data recovery method and device based on oversized graph computing. Multi-thread concurrent access is carried out on pages, each thread executes traversal of vertex IDs in one page, value intermediate results of the ith round are iterated, the intermediate results are stored in TABLE, intermediate calculation results are uniformly sent to other nodes after calculation of each ith round is finished, and TABLElt is passed; the method comprises the following steps: gt, PARTITIONINDEX and HOSTgt; obtaining a node network address HOST corresponding to the paging number, and obtaining data MAPlt for loading on a HOST calculation node; iD, VALUEgt, VALUEgt; and completing server memory data loading according to the adjacency relation. According to the method and the device provided by the invention, how to realize rapid memory data recombination in a downtime restart scene when server data needs ...

Application of PMA dye in combination with fluorescent quantitative PCR (Polymerase Chain Reaction) in rapid detection of antibacterial activity of disinfection product

The invention relates to application of PMA dye combined with fluorescent quantitative PCR in rapid detection of antibacterial and bacteriostatic properties of disinfection products. The method comprises the following steps: selecting an indicator strain commonly used for antibacterial/bacteriostatic detection of a disinfection product as a target strain, and respectively designing specific primers for detection; the method comprises the following steps: preparing target strain membrane damaged bacteria, extracting DNA, carrying out gradient dilution on viable bacteria DNA, drawing a PMA-qPCR standard curve, and detecting the accuracy and detection range of quantitative detection of the target strain viable bacteria by the method; performing PMA treatment on a to-be-detected sample obtained after the disinfection product and the target microorganisms act, extracting total DNA, performing qPCR amplification, calculating the total number of viable bacteria of the target microorganisms in ...

Calorific value transition calculation method based on complex tidal current of converter gas

The invention discloses a calorific value transition calculation method based on complex trend of converter gas, which comprises the following steps of: acquiring calorific value data at an inlet of a converter gas pipe network and pressure, flow and temperature data at the inlet of the converter gas pipe network and a mixing station in real time; performing real-time data cleaning on the calorific value data; a system network mathematical model is constructed according to a physical structure of a converter gas pipe network system, all working conditions possibly occurring in system operation are divided, and real-time judgment of the working conditions of the system is achieved; constructing a power flow equation of the converter gas pipe network system according to the flow continuity and mass conservation equation of the fluid, and performing power flow calculation on the converter gas pipe network system in combination with pressure, flow and temperature data collected in real time ...

Power balance method for connecting distributed power supply into power grid

The invention relates to the technical field of distributed power supply power balance, and particularly discloses a power balance method for connecting a distributed power supply into a power grid. On one hand, the predicted power supply amount corresponding to each solar power generation area is analyzed, so that the utilization rate of solar energy resources is improved to a great extent, the waste of uncontrollable energy in the prior art is effectively solved, and the benefit and the effective utilization degree of the solar power generation system are greatly increased; and the power supply efficiency of the target power-requiring area is improved. On the other hand, by analyzing the predicted power supply amount corresponding to each wind power generation area, the utilization rate of wind power resources is improved to the maximum extent, waste of the wind power resources is effectively avoided, utilization of non-renewable resources is greatly reduced, and reliable guarantee is ...

Nozzle structure for wind tunnel and environment simulation device

The invention discloses a nozzle structure for a wind tunnel and an environment simulation device, the nozzle structure for the wind tunnel comprises a main body and a condensation member, the main body defines a wind passing cavity, the wind passing cavity is provided with an air inlet and a plurality of air outlets, and the air outlet directions of the plurality of air outlets are different; according to the nozzle structure for the wind tunnel, the experiment equipment can be cooled by utilizing the outlet wind of the wind tunnel, the wind can be prevented from directly blowing the experiment equipment, and the influence on the experiment safety due to the too high wind speed is avoided.

Building outer wall operation equipment risk estimation robot and control method thereof

The invention discloses a building outer wall operation equipment risk estimation robot and a control method thereof. The robot comprises a robot body, and a climbing assembly, a detection assembly, a control assembly and a power assembly which are arranged on the robot body; wherein the climbing assembly is used for enabling the robot to climb and move up and down along a steel wire rope for hanging the building outer wall operation equipment; the detection assembly is used for acquiring detection information of the position of the robot; the control assembly is used for controlling the climbing assembly to act according to the set cruise parameters so as to enable the robot to move, obtaining working risk pre-estimation parameters according to the detection information when the robot moves to a set monitoring point every time, and sending the working risk pre-estimation parameters to a far-end industrial personal computer so as to determine the working risk condition of the building outer ...

Benefit evaluation system and method for direct-current power distribution network of infrastructure network access

The invention relates to the field of intelligent evaluation, and particularly discloses a direct-current power distribution network benefit evaluation system for infrastructure network access and a method of the direct-current power distribution network benefit evaluation system. According to the method, a neural network model based on deep learning is adopted to mine time sequence cooperation difference association feature information of use cost and utility values of a plurality of infrastructures in a time dimension when the plurality of infrastructures are accessed to the DC power distribution network, so that the network access benefits of the plurality of infrastructures accessed to the DC power distribution network are accurately evaluated. Therefore, the full-life-cycle comprehensive benefit quantification of direct-current power grid resources participated by multiple subjects is realized.

Two hawsers work platform that crawls

... 本实用新型一种双缆绳爬行工作平台，包括载体板(9)，平行缆绳(2)。所述载体板(9)上设爬行电机(11)，推进电机(4)，张紧轮(5)，燕尾槽(6)，轮轴(8)，所述爬行电机(11)上设双槽皮带轮(12)，所述轮轴(8)上设有被动轮组(1)，所述燕尾槽(6)上设有滑动块(7)，所述滑动块(7)上设有爬行轮(3)，所述爬行轮(3)上设有皮带轮(10)，所述皮带轮(10)与双槽皮带轮(12)由皮带(13)联接，所述推进电机(4)上设有丝杆(14)，所述丝杆(14)与滑动块(7)联接；所述平行缆绳(2)与爬行轮(3)、被动轮组(1)相抱合。 ...

Calculation method for total revenue of fuel gas load storage and power generation of iron and steel enterprises

The invention discloses an iron and steel enterprise gas load storage power generation total income calculation method comprising the following steps: S1, according to time-of-use electricity price division, real-time cabinet capacity data acquisition is carried out at 0 o'clock, 8 o'clock, 10 o'clock, 12 o'clock, 14 o'clock and 19 o'clock; s2, cabinet capacity lifting conditions at 0-8 o'clock, 8-10 o'clock, 10-12 o'clock, 12-14 o'clock, 14-19 o'clock and 0 o'clock on the next day from 19 are calculated respectively, whether the change value of the cabinet capacity is decreased or not is sequentially compared, if the change value of the cabinet capacity is decreased and Vi is smaller than min (V2,... Vi-1), power generation benefits are generated, and the benefits are calculated in a segmented mode; and S3, the step S2 is executed repeatedly, comparison is finished until the next day 0 is reached, and at the moment, the calculated total income is the daily gas load storage and power generation ...

Air compressor fault prediction and health degree evaluation method and system based on graph neural network

The invention discloses an air compressor fault prediction and health degree evaluation method and system based on a graph neural network. The method comprises the following steps: performing convolution processing of different receptive fields on a multivariable time sequence to obtain multi-scale embedded features; establishing a dynamic time sequence diagram based on a multi-head attention mechanism; discretizing the dynamic time sequence diagram by using graph convolution to obtain aggregation representation with an instant interval, and solving the aggregation representation by using an ordinary differential equation to obtain multi-scale information representation; predicting a multivariable time sequence according to the obtained multi-scale information representation; and according to the prediction sequence, the health index of the air compressor is calculated according to a health degree model, and then fault prediction and health degree evaluation are conducted on the air compressor ...

Vehicle-mounted network intrusion detection method supporting data privacy protection

The invention provides a vehicle-mounted network intrusion detection method supporting data privacy protection, and the method comprises the following steps: 1, collecting the real data of a vehicle CAN bus, generating data containing intrusion through employing the characteristics of an attack mode, and constructing an intrusion detection data set; 2, processing the data in the data set to complete feature extraction; 3, plaintext information is converted into ciphertext information through homomorphic encryption, and a neural network training model is used for training; 4, after training is completed, the detection model sets the weight output by the training model, and intrusion detection is carried out. The problems that data privacy cannot be protected and the detection precision is low in the prior art can be solved.

Direct-current circuit breaker capable of adaptively adjusting current-limiting inductance through fault current and current limiting method of direct-current circuit breaker

The invention relates to a direct current circuit breaker capable of adaptively adjusting current-limiting inductance through fault current, which comprises at least two parallel branches, each branch is formed by sequentially connecting a first current limiter, a variable inductor and a second current limiter in series, the first current limiter and the second current limiter are connected with a switch control circuit in parallel, one end of each first current limiter is connected with one end of the variable inductor in parallel, and the other end of each second current limiter is connected with one end of the variable inductor. One ends of the second current limiters are connected in parallel, the anode of the thyristor is connected between the variable inductor and the second current limiter of the previous branch in the two adjacent branches, and the cathode of the thyristor is connected between the first current limiter and the variable inductor of the next branch in the two adjacent ...

Driving behavior portrait generation method, device and equipment and operation machine

The invention provides a driving behavior portrait generation method, device and equipment and an operation machine, and the method comprises the steps: receiving an attention item selected by a user in a rule configuration page; based on a preset scoring rule and each attention item, generating a driving score; the change condition of each attention item selected by the user within the target duration is counted, a driving behavior monitoring graph is obtained, a driving behavior portrait is generated based on the driving score and the driving behavior monitoring graph, the user can flexibly select the attention item on which the user is on the rule configuration page, and the user experience is improved. And different users select different attention items to obtain corresponding driving behavior portraits, so that the driving behavior portraits finally obtained by each user can more flexibly match the actual demands of the users.

Transformer oil conservator oil level ultrasonic monitoring device and method with oil level alarm function

The invention discloses a transformer expansion tank oil level ultrasonic monitoring device with an oil level alarm function and a method. The transformer expansion tank oil level ultrasonic monitoring device comprises a processing module, and a display module, an alarm module, a signal transmitting module and a signal receiving module which are connected with the processing module, the processor is matched with the sensor, the ultrasonic frequency is theoretically calculated and selected according to the characteristic that ultrasonic waves have a high penetrating effect on solid media, the driving transmitting circuit and the multi-stage amplification receiving circuit are adopted, non-contact measurement of the oil level is achieved according to the ultrasonic ranging principle, and the oil level of the oil conservator is digitally displayed; measurement is more convenient, faster and more visual, and a series of problems caused by the fact that holes need to be formed in the container ...

Accurate seed -sowing machine of rice

... 一种水稻精确直播机，包括播种机架1。所述播种机架1上设有支撑架3，悬挂机构2，U型螺栓10，测速轮18；所述支撑架3上设有种子箱4格栅排种器5，排种器电机7，分种器8，分种器电机9，电瓶及电器箱17。本实用新型与水稻其它种植方式比较工序少、生产强度低、生产成本低、节省种子，在当前农村劳动力缺乏种田以中老年为主的情况下，尤为适合市场需求。实现水稻精确直播，使禾苗通风透光的生长条件大为改善，对水稻获得高产稳产意义重大。 ...

Production and amplification process of recombinant new coronal pneumovirus neutralizing antibody

According to the invention, a set of technology development and amplification platform is established and is used for determining the culture medium, the process parameters and amplification. Through a platformization process, the scale can be directly enlarged from 2L to 2000L only through risk assessment. The method comprises the steps of shake flask seed resuscitation and amplification, WAVE reactor cell amplification, 500L bioreactor amplification, 2000L bioreactor stock solution production, culture solution centrifugal harvesting and deep filtration. The method is used for rapid cell culture process development and amplification, and the cell process development period can be shortened by at least 3-5 months. And the process development efficiency is greatly improved, a large amount of resources are saved, and a basis is provided for later industrial production.

Circuit simulation method and device, server and storage medium

The invention discloses a circuit simulation method and device, a server and a storage medium. The circuit simulation method provided by the embodiment of the invention comprises the following steps: acquiring a circuit netlist which comprises at least two wire net layers; port information in the circuit net list and spacing constraint values corresponding to different wire net layers are obtained, and the port information comprises port graphs; obtaining a first prohibited area according to a port graph on the original layout and the spacing constraint value corresponding to the line network layer to which the port graph belongs; and performing wiring design according to the port information and the first forbidden area, the first forbidden area forbidding wiring. According to the circuit simulation method and device, the server and the storage medium provided by the embodiment of the invention, the violation of design rules can be avoided, and the wiring quality is improved.

Box-type substation switch cabinet protection device

A box-type substation switch cabinet protection device disclosed by the present invention comprises a shell unit and a transmission unit, the shell unit comprises a box body, box covers, a box door and a mounting plate, the box covers are symmetrically arranged on two sides of the box body, the box door is movably matched with the box covers, the mounting plate is arranged in the box body, and the transmission unit is arranged in the box body. The transmission unit comprises a transmission rod, a poke rod, output shafts and a reversing gear, the transmission rod is arranged on the side edge of the box cover, the poke rod is arranged on the inner side of the box body, the output shafts are symmetrically arranged on the two sides of the box body, and the reversing gear is arranged on the inner side of the box body. When the switch cabinet is in use, heat in the switch cabinet is dissipated firstly, and the poke rod is driven to push the mounting plate to move outwards, so that workers can ...

Automatic driving domain control device for pure electric vehicle

The invention relates to an automatic driving domain control device for a pure electric vehicle, which comprises an automatic driving control unit, a whole vehicle control unit and a communication bus which are integrated on the same PCB (Printed Circuit Board), and the automatic driving control unit comprises a first automatic driving control unit and a second automatic driving control unit controlled by the first automatic driving control unit, the first automatic driving control unit and the second automatic driving control unit are connected through the communication bus, the whole vehicle control unit is connected with the first automatic driving control unit and the second automatic driving control unit through the communication bus, all the units work cooperatively, the overall size of parts and the connection of wire harnesses are effectively reduced, and the cost is reduced. Compared with the prior art, PCB layout is more compact, production cost is saved, overall arrangement space ...

Pharmaceutical composition of DPP-IV inhibitor

The invention belongs to the field of pharmaceutical preparations, and relates to a pharmaceutical composition of a DPP-IV inhibitor, in particular to a pharmaceutical composition of 8-((R)-3-amino-piperidine-1-yl)-1-([1,2,5]thiadiazolo[3, 4-b]pyridine-5-methyl)-7-(2-butyne-1-yl)-3-methyl-xanthine and a preparation method of the pharmaceutical composition. The pharmaceutical composition disclosed by the invention not only greatly improves the stability of the CT-383, but also increases the bioavailability of the CT-383, and shows good dissolution rate and dissolution rate in the dissolution process; the pharmaceutical composition has excellent dissolution characteristic, stability and bioavailability, solves the technical problem of medicine formation of the CT-383 compound, and is convenient for clinical use.

Switch cabinet optimization method based on live-line test and finite element simulation and switch cabinet

The invention relates to a switch cabinet optimization method based on live-line test and finite element simulation and a switch cabinet. The method comprises the steps of carrying out the three-dimensional modeling according to the model structure of the switch cabinet, obtaining the electric field distribution characteristics of the electric fields of a wall bushing, a bus chamber and a contact box of the switch cabinet, and finding out an electric field concentration point, after research and analysis corresponding to a field partial discharge test, finding out a partial discharge abnormity reason, and putting forward improvement measures. From operation and maintenance to model selection, full life cycle management of the switch cabinet is formed.

Air energy heat pump water heater

... 本实用新型公开了一种空气能热泵热水器，包括保温水箱、控制器和热泵主机，其特征在于：所述保温水箱内设有内胆，内胆内设有换热盘管，换热盘管上设有除垢器；所述的热泵主机包括外壳、风机、压缩机、汽液分离器、蒸发器、干燥过滤器和节流装置，所述的风机设于外壳上部，压缩机、汽液分离器和蒸发器固定于外壳底部，干燥过滤器与节流装置连接并设于外壳内，所述的换热盘管热介质入口处通过介质入口管与压缩机连接，所述的换热盘管热介质出口处通过介质出口管与节流装置连接。本实用新型具有传热效率高，能耗低，设备使用寿命长，不易结垢等特点。 ...

Excitation inrush current braking method and system for transformer protection after fault removal

The invention discloses an excitation surge current braking method, system and device for transformer protection after fault removal, and a storage medium. The excitation surge current braking method comprises the following steps: acquiring excitation surge current duration and a primary time constant when a newly installed transformer is in no-load input; detecting whether the transformer runs with a load or not through an algorithm; acquiring a current sampling value of each sampling point on each side of the transformer after protection is started; aperiodic components in each current sampling point are filtered out through a difference algorithm, and differential current is calculated; sorting and re-assigning the results of the three-phase differential current after the inrush current judgment; calculating a second harmonic component of the three-phase current subjected to reassignment; the current after three-phase processing is compared with the effective value of the fundamental ...

Information diffusion prediction system and method based on meta-knowledge learning

The invention belongs to the field of information spreading, and provides an information diffusion prediction system and method based on meta-knowledge learning, and the system comprises a cascade attribute construction module which is used for constructing a cascade attribute composed of a user social structure feature, a user preference feature and a diffusion time feature; the self-adaptive user social relation learning module is used for learning user social relations and obtaining user embedding; the adaptive time diffusion learning module is used for learning cascade attributes and time association in the dynamic cascade context to obtain a hidden state; and the information diffusion user prediction module is used for mapping the hidden state obtained by the self-adaptive time diffusion learning module to a candidate user space to obtain a next activated user. According to the information diffusion prediction system and method, cascade sequences of users are activated in the information ...

Air sweeping blade adjusting device and air conditioner

The invention provides an air sweeping blade adjusting device and an air conditioner. The air sweeping blade adjusting device is arranged at an air outlet of the air conditioner, an air outlet side plate is arranged at the air outlet, and the air sweeping blade adjusting device comprises a fixing part, a driving part and a driving part, and the fixing part is arranged on the air outlet side plate; one end of the adjusting part is fixedly connected with the air sweeping blade, and the other end of the adjusting part is connected with the fixing part in a matched mode; wherein the adjusting part can rotate relative to the fixing part so as to adjust the angle of the air sweeping blade; and when the adjusting part rotates to a fixed position, the adjusting part and the fixed part can be locked. The technical problem that the precision is low when the angle of the air sweeping blade is adjusted in the air conditioner can be solved.

Double-clamping type bottle-cultivated needle mushroom mechanical picking equipment and method

The invention discloses a double-clamping type mechanical picking device and method for bottle-cultivated flammulina velutipes, and relates to the technical field of flammulina velutipes planting.The picking device comprises a rack, and a conveying device, a clamping device, a picking device and a control box are installed on the rack; the clamping device is used for bidirectionally centering and clamping fungus bottles of single bottle-cultivated flammulina velutipes on the conveying device, the picking device is used for pulling and picking the bottle-cultivated flammulina velutipes, the mode of manual pulling and picking of the flammulina velutipes can be simulated, the picking quality is guaranteed while the labor cost is reduced, and the picking efficiency is improved. And the mechanized picking operation of the single bottle of flammulina velutipes in industrialized production can be realized.

Machine tool spindle

The machine tool spindle comprises a spindle body, a spindle motor, a spindle core, a front bearing system, a rear bearing system and a tool handle locking and releasing mechanism, the tool handle locking and releasing mechanism comprises a first tool changing and dust blowing mechanism, and a tool handle assembling structure comprises a spindle core front end face and a spindle core conical inner hole wall. The front end face of the shaft core and the conical inner hole wall of the shaft core are tightly matched with the corresponding matching faces on the cutter handle respectively, a second cutter changing and dust blowing mechanism is arranged at the front end of the shaft core and comprises a shaft core inner blowing channel, and an outlet of the shaft core inner blowing channel is formed in the front end face, used for being tightly matched with the corresponding matching faces on the cutter handle, of the shaft core. The air blowing side mechanism is further provided with an auxiliary ...

Next interest point recommendation system based on spatio-temporal power law attention

The invention discloses a next interest point recommendation system based on spatio-temporal power law attention, and relates to the field of recommendation systems, and the system comprises a short-term preference module which captures the short-term preference ht of a user sign-in sequence by using a recurrent neural network; the long-term preference module is used for calculating time interval power law distribution, geographic distance power law distribution and time-space power law attention, and calculating the long-term preference next interest point recommendation module of the user in combination with the short-term preference ht: predicting a next interest point through a neural network in combination with the short-term preference ht, the long-term preference and the user expression pu, and recommending the next interest point. The system has the beneficial effects that the system proposes the long-term preference of the time-space power law attention modeling user by utilizing ...

Pulverizer suitable for vegetable waste

The invention discloses a crusher suitable for vegetable waste, which comprises a body, one side of the top of the body is provided with a feed inlet, the feed inlet is internally provided with a first extrusion mechanism, the lower part of the first extrusion mechanism is fixedly connected with a first connecting plate, the top surface of the first connecting plate is slidably connected with a first pushing mechanism, and the lower part of the first connecting plate is communicated with a first water collecting tank; a first smashing mechanism is arranged at the end, away from the first pushing mechanism, of the first connecting plate, the bottom of the first smashing mechanism communicates with a second smashing mechanism, the second smashing mechanism comprises a second connecting plate fixedly connected with the first water collecting tank, a second smashing part is arranged on the second connecting plate, and a first extruding mechanism is arranged at the bottom of the second connecting ...

Mechanized edible mushroom rapid picking device

The invention discloses a mechanical edible mushroom quick picking device which comprises a device body, and the device body moves through a track and is arranged corresponding to a planting frame. The picking assemblies are arranged on the two sides of the device body and comprise supporting frames fixedly connected to the telescopic rods, groove body clamping assemblies and thallus clamping assemblies are arranged on the supporting frames, a plurality of planting grooves are formed in the planting frame, the groove body clamping assemblies and the planting grooves are correspondingly arranged, and cutting assemblies are arranged on the thallus clamping assemblies. The thallus clamping assembly and the cutting assembly are respectively arranged corresponding to thalli planted in the planting groove; the collecting assembly is arranged on the device body, and the thallus clamping assembly and the collecting assembly are correspondingly arranged. According to the edible mushroom picking ...

Construction site material hoisting equipment

The invention relates to the technical field of power distribution station construction, and discloses construction site material hoisting equipment which comprises a lifting hook, a hanging assembly is arranged at the lower end of the lifting hook, a stabilizing assembly is arranged at the lower end of the hanging assembly, the stabilizing assembly comprises a top plate, a supporting column, a bottom plate and a clamping unit, the top plate is arranged under the lifting hook, and the supporting column is arranged under the bottom plate. According to the technical scheme, a handle is manually rotated for driving, then a gear is driven to rotate through the handle, the gear is made to rotate, the gear is driven to rotate, the clamping unit is driven to rotate, the clamping unit is driven to rotate, the clamping unit is driven to rotate, the clamping unit is driven to rotate, and the clamping unit is driven to clamp the steel wire rope, so that the clamping efficiency is improved, and the ...

Preparation method and application of modified cellulose nanocrystal for calcium ion adsorption

The invention belongs to the technical field of water treatment, and particularly discloses a preparation method and application of a modified cellulose nanocrystal for calcium ion adsorption, and the preparation method of the modified cellulose nanocrystal comprises the steps of (1) reaction, (2) filtration, (3) dialysis and (4) drying. Carboxylate is introduced to the surface of cellulose nanocrystal with the specific surface area far larger than that of cellulose microcrystal to prepare a modified nanoscale cellulose material, the surface of the modified nanoscale cellulose material is provided with negative electricity entities, the negative electricity entities can interact with positive electricity ions, calcium ions in water are efficiently adsorbed, and the purpose of softening hard water is achieved. The preparation method is simple and easy to implement, the raw materials are cheap and easy to obtain, the adsorption effect is good, and the maximum removal rate of calcium ions ...

Volume-variable combined type classified washing and drying system and working method thereof

The invention discloses a volume-variable combined type classified washing and drying system and a working method thereof. The device comprises a washing bin and a main machine used in cooperation with the washing bin, and the washing bin is connected with the main machine through a connecting mechanism; the connecting mechanism comprises a first connecting mechanism arranged on the main machine and a second connecting mechanism arranged on the washing bin and matched with the first connecting mechanism. The main machine can be connected with at least one washing bin through a first connecting mechanism, and the main machine can provide water, electricity and gas for the washing bin after being connected with the washing bin through the connecting mechanism so as to be used for washing and drying washings. Through the mode that the main machine is matched with the multiple washing bins, the function that the washing bins can wash and dry washings in a classified mode is effectively achieved ...

Double water tank solar water heater

... 一种双水箱太阳能热水器，其包括储水箱、平板太阳能集热器、控制器和热交换器，所述的储水箱下部安装有多根通过尾合连接的太阳能真空管，储水箱采用双格内胆水箱，所述的双格内胆水箱包括被包裹在保温层内的大水箱和小水箱，大水箱和小水箱通过大小水箱连通管连通，大水箱内设置有排气管，平板太阳能集热器的介质出口通过压缩机与安装在小水箱内的热交换器的进口端连接，平板太阳能集热器的介质进口先通过截流器再通过过滤器与热交换器的出口端连接；小水箱下部设置有出水口，小水箱内设置有温度传感器，温度传感器与控制器连接，控制器控制压缩机的开启和关闭，小水箱内壁还涂覆有一层热反射层。本实用新型设置巧妙，供热水效率高、性能稳定。 ...

Black fungus picking device

The invention discloses a black fungus picking device which comprises a platform, a rotating assembly is fixedly connected to the top face of the platform, a hydraulic arm is fixedly connected to the top of the rotating assembly, a control box is fixedly connected to the end, away from the rotating assembly, of the hydraulic arm, a sliding mechanism is installed in the control box, and the bottom of the sliding mechanism extends out of the control box and is detachably connected with a fungus bag. A picking assembly is arranged below the control box and fixedly connected with the top face of the platform. According to the device, the defects of traditional manual fungus bag replacement are overcome, the labor cost is greatly reduced, the probability of lumbar vertebra diseases of workers is reduced, the body health of the workers is indirectly protected, and meanwhile the picking efficiency is improved.

Power transmission and transformation project detection test management and control method, device and equipment and storage medium

The invention discloses a power transmission and transformation project detection test management and control method, device and equipment and a storage medium, when a detection test starts, detailed information of the detection test is recorded, an operation department is automatically matched so as to facilitate issuing of a detection test task, and then the detection test task is monitored in real time, so that the detection test efficiency is improved. And after the progress of the detection test task is completed, the result of the detection test is analyzed to predict the quality of the detection test, and the full-life-cycle management of the detection test of the transmission and transformation project is realized, so that management personnel are assisted to perform management work, and the working efficiency is improved.

Vehicle automatic diagnosis method and system based on MES system

The invention discloses a vehicle automatic diagnosis method and system based on an MES system, and the method comprises the steps: judging whether a wake-up instruction sent by a client is monitored or not every first preset time, receiving a message sent by the client within a second preset time if the wake-up instruction is received, and judging whether the type of the message is an operation message or not; if the message type is an operation message, vehicle information in an MES system is called at the server side, and the vehicle information is sent to the client side, so that the client side enters a diagnosis mode to diagnose the vehicle information; a data packet sent by the client side is received every third preset time, the data packet comprises the vehicle information and the detection information, and the data packet is sent to a display side so that the display side can display the detection information in the data packet. According to the invention, the problems of low ...

Information cascade popularity prediction method and system based on probability diffusion

The invention belongs to the technical field of information propagation, and discloses an information cascading popularity prediction method and system based on probability diffusion, which are used for modeling cascading event time irregularity and information propagation uncertainty based on a Shenchang differential equation and a diffusion probability model and carrying out cascading popularity prediction. The method comprises the following steps: firstly, constructing information cascading data into a cascading social graph, a cascading graph and a cascading sequence for feature learning of a downstream structure and a sequence model; then, cascade implicit features are obtained based on an ordinary differential equation and a time-aware gating mechanism; on the basis, in combination with a conditional diffusion probability model and an implicit ordinary differential equation from the angle of space-time hidden variables, cascade uncertain implicit features are obtained; and finally ...

Nozzle structure of climate wind tunnel and climate wind tunnel

The invention discloses a nozzle structure of a climate wind tunnel and the climate wind tunnel, the nozzle structure of the climate wind tunnel comprises an annular frame body and a diversion assembly, and an air channel extending along a first direction is defined in the annular frame body; the flow guide assembly is arranged in the air channel and comprises a plurality of flow guide pieces, the flow guide pieces are arranged at intervals in the second direction perpendicular to the first direction, the flow guide pieces are obliquely arranged relative to the first direction, the nozzle structure of the climate wind tunnel prevents airflow from being directly blown into the test space, and simulation of meteorological conditions such as high and low temperature, freezing rain, snowfall and icing is better achieved.