消泡滚筒

Visual embryo transplantation device

The invention discloses a visual embryo transplantation device in the technical field of reproductive and genetic departments, which comprises an outer tube provided with a blocking assembly; a conical joint is arranged on the inner pipe; a transverse plate is arranged in the inner pipe, an inclined plate is arranged at the end, close to the conical connector, of the transverse plate, and the inclined plate is connected to the inner wall of the inner pipe. The interior of the inner pipe is divided into two channels through a transverse plate and an inclined plate. When the inner tube moves, the camera moves synchronously, and a picture is transmitted to external equipment through the data line and the data head, so that the embryo transplantation process is visualized when an embryo and liquid are injected into the uterus through the inner tube, and a transplantation path and a uterine cavity environment can be clearly observed; medical staff can conveniently adjust embryo transplantation ...

Shield double-slurry mixing system for mechanism test and use method of shield double-slurry mixing system

The invention discloses a shield double-slurry mixing system for a mechanism test and a use method of the shield double-slurry mixing system, and belongs to the technical field of shield construction. The test system is composed of a grouting machine, a grouting pipe B, a grouting pipe A, a grouting pipeline, a water pipe, a power oil source, a high-pressure water pump and a switch box. The device aims at solving the problem that an existing testing device lacks simulation of the actual double-slurry mixing mechanism, cement and water glass are divided into a solution A and a solution B, after the solution A and the solution B are mixed according to different proportions, scaling model simulation under laboratory conditions is carried out through a synchronous grouting device, double-slurry performance parameters are measured, and the double-slurry proportion is optimized.

METHOD FOR BACTERIAL IN SITU REPAIRING OF SOIL CONTAMINATED WITH ARSENIC

Disclosed is a method for the bacterial in situ repairing of soil contaminated with arsenic, wherein the method involves selecting Pseudomonas putida strain MnB1, ATCC 23483 and adding same into soil contaminated with arsenic. Under the effect of the bacteria, the strain uses divalent iron and manganese from the soil as electron donors to introduce same so as to form an active iron manganese composite oxide and also conduct the in situ repair of arsenic in acidified soil. Under the effect of bacteria, exchangeable-form arsenic in soil can be converted into residual-form arsenic, thereby reducing the migration and bio-availability of the arsenic in soil and conducting the in situ immobilization of the arsenic in soil. The process involves simple operations, has low processing costs and wide applicability, and does not involve secondary pollution.

High-isolation double-section circulator/isolator and assembling method

The invention discloses a high-isolation double-section circulator/isolator and an assembly method, and belongs to the field of circulator isolators, the high-isolation double-section circulator/isolator structurally comprises a cavity, a center conductor is mounted in the cavity, a circuit board is arranged at the bottom of the cavity, the center conductor comprises three first pins and a second pin, two positioning bosses are arranged at the bottom of the cavity, two alignment holes are formed in the circuit board, and the two first pins and the second pins are arranged in the cavity. The two positioning bosses are respectively positioned in the two alignment holes; the first pin is provided with a pin penetrating hole, the circuit board is respectively provided with a circuit board bottom hole corresponding to the three pin penetrating holes, the three center pins sequentially penetrate through the three pin penetrating holes and the circuit board bottom holes under the three pin penetrating ...

HIGH-SPEED TRAIN OPERATION CONTROL METHOD AND SYSTEM

A high-speed train operation control method. On the basis of a train network control system and an ATO system installed on a high-speed train, the method comprises: the train network control system communicates with the ATO system by means of a communication interface (S11); the train network control system negotiates with the ATO system to activate an automatic driving mode (S12); the train network control system receives train operation control signals sent by the ATO system and detects whether the communication with the ATO system is normal (S13); and if yes, send a train operation control signal to a corresponding hardware system in the high-speed train to control the hardware system to perform corresponding operations (S14). Also provided is a high-speed train operation control system. The present method and system can ensure the validity of the train operation control signals and improve the reliability of automatic driving.

Application of Humanin in preparation for reducing sperm DNA fragmentation rate and improving sperm quality

The invention discloses an application of Humanin in the aspect of a preparation for reducing sperm DNA fragmentation rate and improving sperm quality, and aims to solve the problems that in the pregnancy assisting process of a human assisted reproduction technology, sperm is fertilized after being optimized, the DFI level of sperm is reduced after the sperm is treated by an upstream method or a density gradient centrifugation method, but IVF/ICSI-ET fertilization rate and clinical pregnancy rate are still reduced due to high DFI sperm; the fertilization failure rate and the abortion rate are increased; the problem that new DNA fragments are possibly generated in a high-oxygen environment and multiple times of centrifugation in the semen treatment process is solved; humanin is added into the semen, so that the effects of reducing DNA fragments of the semen, improving the quality of the semen, increasing the pregnancy rate and reducing the abortion rate of pregnant women are achieved.

HOSPITAL DISPENSING MANAGEMENT METHOD, SERVER, CLIENT, AND DISPENSING APPARATUS AND SYSTEM

Disclosed are a hospital dispensing management method, a server, a client, and a dispensing apparatus and system. According to the method, management is performed by means of a server, a client and a medical product dispensing apparatus, wherein the server, the client and the medical product dispensing apparatus work collaboratively to implement management. By means of remote examination and identity authentication, and an intelligent medicine delivery prompt and flexible medicine acquisition method, insofar as an existing medicine examination procedure is not affected, some medicine is stored in a ward or an operating room such that medical care personnel directly acquire the medicine, thus simplifying the medicine delivery procedure, improving the operation efficiency of a hospital medicine management system and saving on labor costs.

Unmanned aerial vehicle healthy operation assessment method based on digital twinning

The invention discloses an unmanned aerial vehicle health operation evaluation method based on digital twinning, which comprises the following steps: firstly, acquiring unmanned aerial vehicle related data, constructing an unmanned aerial vehicle digital twinning model, and then carrying out cross fusion and iterative feedback on the unmanned aerial vehicle related data to fuse the unmanned aerial vehicle related data with the unmanned aerial vehicle digital twinning model. An unmanned aerial vehicle digital twinborn health management and control platform is constructed; fault diagnosis and prediction are carried out on the operation process of the unmanned aerial vehicle based on the platform, health assessment parameters are output and analyzed, the operation state of the unmanned aerial vehicle is visualized in the digital twin health management and control platform of the unmanned aerial vehicle, and decision making is carried out on health assessment of the unmanned aerial vehicle; ...

ALL-DIELECTRIC SELF-SUPPORTING OPTICAL CABLE LINE PROTECTIVE DEVICE

An all-dielectric self-supporting optical cable line protective device, comprising a locating mechanism and a protective mechanism. The locating mechanism is provided on an all-dielectric self-supporting optical cable line; and the protective mechanism is provided on the locating mechanism. The locating mechanism comprises a locating sleeve (2) disposed surrounding the circumferential direction of an ADSS optical cable line. The protective mechanism comprises a baffle (3) provided on the locating sleeve.

DETERMINING METHOD AND SYSTEM FOR REAL-TIME DRIVING SPEED OF TRAIN AND RELATED DEVICES

A determining method for the real-time driving speed of a train. The method integrates the rotation speed of a traction motor obtained from a traction unit and the axle speed of a target axle obtained from a brake control unit with a real-time driving speed parameter of a train provided by a GPS system, and provides different processing schemes according to different actual driving speeds of the train. Parameter sources are more diverse and wider; and under a high-speed driving condition, the speed measured by the GPS system is used to eliminate high-speed delays, so that a real-time driving speed, having a higher accuracy, of the train can be provided and subsequent intelligent control of the train is facilitated. Further provided are a determining system for the real-time driving speed of a train, a device comprising steps for implementing the described method and a computer readable storage medium comprising steps for implementing the described method.

TRAIN SPEED LIMIT CONTROL METHOD AND DEVICE

A train speed limit control method and device. The train speed limit control method comprises: detecting whether instability occurs during travelling of a train (S201, S301, S401, S501); if it is detected that instability occurs during travelling of the train, braking the train to limit the train speed to a first speed for traveling (S202, S302, S402, S502). The train speed limit control method implements automatic speed limit control during travelling of a train. The application of the train speed limit control method to train travel control can reduce the labor intensity of the driver, and automatically and timely limit the train speed when instability occurs during traveling of the train, thereby effectively preventing train travel safety from being affected by the driver's negligence.

一种酵母基因工程菌及β-甘露聚糖酶制剂和甘露低聚糖的生产方法

A genetically engineered yeast Pichia pastoris (GS115/HBMO47) able to effectively express beta-mannase is prepared through screening beta-mannase gene from the environmental microbes, cloning it to the expression carrier of Pichia yeast, introducing the carrier to Pichia yeast, and screening. The process for preparing the high-activity beta-mannase and the high-purity oligomannosan from said Pichia pastoris is also disclosed.

Mixing control method and device of steam cooking equipment and medium

The invention relates to the technical field of kitchen electric equipment, and particularly provides a mixing control method and device of steam cooking equipment and a medium. The equipment comprises: an equipment main body which is provided with a cooking chamber; a steam generator which comprises a first chamber and a second chamber; a mixing unit which comprises a mixing chamber; and a mixing pipeline which comprises a first pipeline, a second pipeline and a third pipeline, wherein the third pipeline comprises a plurality of branch pipes. The mixing control method comprises the following steps: communicating the plurality of branch pipes in a set manner, and at least communicating the second pipeline. In the way, in the first cooking stage, steam in the second chamber is emitted to the cooking chamber. Through the arrangement, on the basis that the cooking chamber can obtain two kinds of single-quality and mixed-state steam, the use performance of the cooking equipment can be improved ...

Trace semen collecting, storing and freezing device

The invention discloses a trace semen collection, storage and freezing device, and relates to the technical field of semen collection. The device comprises a freezing box with a freezing cavity formed in one side, a plurality of sample storage pipes are arranged in the freezing box, sample storage cavities are formed in the sample storage pipes, inserting grooves communicated with the sample storage cavities are formed in one ends of the sample storage pipes, sampling pipes are inserted into the inserting grooves, and the sampling pipes are communicated with the sample storage cavities. A negative pressure assembly for reducing the pressure in the sample storage cavity is arranged at one end, far away from the sampling pipe, of the sample storage pipe. After seminal fluid is collected through the sample storage tube and the sampling tube, the sampling tube is pulled out of the slot, and the end, close to the slot, of the sample storage tube can be blocked through the abutting block, so ...

EXPERIMENT INSTRUMENT DEVICE MANAGEMENT SYSTEM AND METHOD

An experiment instrument device management system and a method, pertaining to the field of computer technologies. The invention operates in a cloud server (1). The system comprises: a user registration management module (11), an experiment instrument device registration booking module (12), an experiment instrument device rental management module (13), an experimental data template management module (14), an experimental data reporting module (15), an experimental data sharing management module (16), an experiment progress tracking module (17), an instrument device state management module (18), and an experiment group management module (19). The system enables an experiment instrument sharing platform to have more uses than simply sharing of device information and rental, thereby realizing the integration of sharing of experimental data with the management of scientific research projects, and increasing utilization rates of instrument devices.

METHOD AND DEVICE FOR CONTROLLING OPERATION OF MAIN TRANSFORMER OF TRAIN

A method and device for controlling operation of a main transformer of a train. The method comprises: obtaining oil temperature data of the main transformer; determining whether the oil temperature data of the main transformer is trusted data according to historical oil temperature data of the main transformer; and if the oil temperature data of the main transformer is trusted data, controlling the operation of the main transformer according to the oil temperature data of the main transformer. The method ensures the credibility and effectiveness of the basis of controlling the operation of the main transformer of the train, thereby avoiding improper intervention on the operation of the main transformer of the train caused by the inaccuracy of the collected oil temperature data of the main transformer of the train.

Load rejection device, load rejection method and underwater equipment

The embodiment of the invention provides a load rejection device, a load rejection method and underwater equipment. The load rejection device includes: a gland including a main body having a main cross section; at least two actuators, each of which is configured to apply a first force to the gland perpendicular to a main cross-section of the body; the direction conversion mechanism is connected with the gland, and the first force is converted into second force perpendicular to the first force through direction conversion; and the load is detachably connected with the direction conversion mechanism, and the second force is constructed to enable the load to be separated from the load rejection device. The at least two actuators can apply external force to separate the load from the load rejection device, so that the stability and reliability of load rejection are improved.

Covering layer and method for reinforcing methane oxidation of domestic waste landfill

The invention discloses a covering layer and method for strengthening methane oxidation of a household garbage landfill, and belongs to the technical field of methane emission reduction of the landfill, and the method comprises the following steps: enriching and culturing a covering material of anaerobic methane oxidation flora, uniformly laying the covering material at the bottom of the covering layer of the landfill to form a bottom covering layer, and laying a water distribution layer at the upper part, covering soil is laid on the covering layer to serve as surface covering soil, and a novel landfill covering layer is formed; nitrate nitrogen/nitrite is regularly supplemented to the bottom covering layer through the water distribution layer, methane gas generated by the landfill sequentially passes through the bottom anaerobic zone and the surface aerobic zone to achieve anaerobic methane oxidation and aerobic methane oxidation, efficient methane oxidation of the covering layer of the ...

Steam turbine vacuum seal device

... 本实用新型公开了一种汽轮机真空密封装置，包括第一连杆、滑块、铰链、滑动杆、第一卡盘、第一套筒、连接筒、排气口、第二套筒、第二卡盘、活塞盘、进气口、第二连杆、连接块、活塞杆、第一卡槽和第二卡槽，所述第一套筒和第二套筒通过连接筒相连，所述连接筒位于第一套筒和第二套筒的两端分别设置有第一卡槽和第二卡槽，所述活塞杆贯穿第一套筒和连接筒并伸向第二套筒内，所述活塞杆位于第一套筒和第二套筒的位置分别设置有第一卡盘和第二卡盘，所述活塞杆位于第二套筒的一端设置有一与第二套筒内壁紧密贴合的活塞盘。该汽轮机真空密封装置，设计合理，使用方便，密封效果好，且大大延长了汽轮机的使用寿命，降低了成本，便于广泛使用。 ...

METHOD OF REMEDIATING ARSENIC POLLUTION IN SOIL USING ACTIVE IRON AND MANGANESE OXIDES INDUCED BY BACTERIA UNDER AEROBIC/MICROAEROBIC CONDITIONS

A method of remediating arsenic pollution in soil using active iron and manganese oxides induced by bacteria under aerobic/microaerobic conditions. The method selects Pseudomonas putida (strain MnB1, ATCC 23483), introducing the bacterium into a culture medium containing manganese carbonate and culturing for 3-10 days, until the bacterium induces production of a brown-black flocculent product, then introducing the metabolite to arsenic-polluted soil, and culturing under aerobic/microaerobic conditions for another 3-21 days. Using the metabolite of the bacterium, it is possible to convert exchangeable arsenic in soil into residual arsenic, decreasing mobility and bioavailability of the arsenic in the soil, effectively fixing the arsenic in the soil. The present method has simple operation, low treatment costs, a wide scope of use and no secondary pollution.

System and method for nitrogen removal and methane emission reduction of aged landfill leachate

The invention discloses a system and method for nitrogen removal and methane emission reduction of aged landfill leachate, and the system comprises a first biological filter which is internally filled with a filler loaded with nitrifying bacteria and methane-oxidizing bacteria; old landfill leachate is sprayed on the top of the first biological filter, landfill gas is introduced into the lower part of the first biological filter, and first leacheate and first purified landfill gas are generated through reaction; the second biological filter is filled with a filler loaded with nitrate type anaerobic methane oxidation bacteria; first leacheate is sprayed on the top of the second biological filter, first purified landfill gas is introduced into the lower part of the second biological filter, and second leacheate and second purified landfill gas are generated through reaction; according to the method, NH4 < + >-N in the leachate is oxidized into NOx <->-N through the nitrification effect of ...

Hydropower station gate underwater leaking stoppage method

According to the underwater leaking stoppage method for the hydropower station gate, leaking stoppage particles are screened, and when the leaking stoppage particles are filled, the size of the leaking stoppage particles loaded to the bottommost layer is evaluated according to the field water leakage condition. The leaking stoppage particles generally move obliquely downwards along with water flow in flowing water, and the higher the water flow speed is, the higher the movement speed is. When the leaking stoppage particles are put on the waterside of the gate, the leaking stoppage particles sink to the water bottom slowly due to the fact that the volume weight of the leaking stoppage particles is slightly larger than that of water, and when the leaking stoppage particles sink to the position near a water leakage point of the gate, the leaking stoppage particles are absorbed to the water leakage point along water flow under the action of surrounding high pressure due to the fact that pressure ...

Reinforcing steel bar welding device with positioning and butt joint functions for building construction

The invention relates to the technical field of steel bar welding, in particular to a steel bar welding device with positioning and butt joint functions for building construction. The invention discloses a reinforcing steel bar welding device with positioning and butting functions for building construction. The reinforcing steel bar welding device comprises an operation table and the like. The operating table is provided with symmetrically-distributed arc-shaped grooves, the symmetrically-distributed arc-shaped grooves are slidably connected with first sliding rods, the first sliding rods are fixedly connected with first L-shaped rods, one first L-shaped rod is fixedly connected with a first arc-shaped plate, the other first L-shaped rod is fixedly connected with a second arc-shaped plate, and the first arc-shaped plate is rotationally connected with the second arc-shaped plate. The first arc-shaped plate and the second arc-shaped plate are rotationally connected with the limiting rod, ...

Overhead line unmanned aerial vehicle inspection strategy optimization method and system

The invention discloses an overhead line unmanned aerial vehicle inspection strategy optimization method and system, and the method comprises the following steps: S1, collecting inspection data, and transmitting the inspection data to a server; s2, extracting inspection data from the server and establishing a mapping model according to the inspection data; s3, determining model parameters, setting the model parameters, and establishing constraint conditions and an objective function; s4, establishing and solving an inspection strategy model based on the objective function to obtain an inspection optimization path; and S5, displaying the routing inspection optimization path by the mapping model. The method has the beneficial effect that the inspection path of the unmanned aerial vehicle can be formulated and optimized.

Re-input control method for abnormal shutdown of power system controller

The invention provides a re-input control method for abnormal shutdown of a power system controller, which can timely judge whether the power system controller is abnormally shut down or not, quickly enable a main contactor without on-load breaking capacity to be safely and automatically broken, accurately judge whether the power system controller of a motor train unit is automatically re-input or not, perform fault self-repair and improve the reliability of the power system controller. The manual emergency disposal link is reduced, the fault disposal time is greatly shortened, the usability of the motor train unit is improved, and the operation of the high-speed motor train unit is ensured.

GIS-based ADSS optical cable line inspection method and inspection system

The invention provides a GIS-based ADSS optical cable line inspection method and inspection system. The method comprises the following steps: determining adjacent power grid transmission points in a geographic image to obtain a plurality of power grid transmission groups; if it is judged that the transmission line of the power grid transmission group comprises an ADSS optical cable line, the ADSS optical cable line is decomposed to obtain a corresponding first acquisition area and a corresponding second acquisition area, and a first image and a second image corresponding to the first acquisition area and the second acquisition area are obtained; identifying the first image and the second image to obtain current anti-whip vibration data; determining standard anti-vibration whip data according to the attribute of the ADSS optical cable line, and if the current anti-vibration whip data corresponds to the standard anti-vibration whip data, adding a first label to the corresponding ADSS optical ...

Data processing method and device, equipment and storage medium

The invention provides a data processing method and device, equipment and a storage medium, and relates to the field of data processing, in particular to the field of big data. The specific implementation scheme is as follows: determining a processing rule of data processing; determining a processing invited party for jointly performing data processing, and sending a data processing request and a processing rule to a second device of the processing invited party; simulation processing feedback sent by a second device for processing the invited party is received, and the simulation processing feedback is generated after the second device carries out simulation data processing on the locally stored data based on the processing rule; according to the received simulation processing feedback, determining processing participants which jointly perform data processing from the processing invited parties; and performing data processing according to the processing rule based on the locally stored ...

Data processing method and device, equipment and storage medium

The invention provides a data processing method and device, equipment and a storage medium, and relates to the technical field of artificial intelligence, in particular to the technical fields of big data, smart medical treatment and the like. The data processing method comprises the following steps: in response to a selection instruction of a user, determining a target statistical analysis mode in candidate statistical analysis modes corresponding to a pre-created candidate group, and displaying a corresponding configuration interface; receiving metadata configured by the user in the configuration interface, wherein the metadata comprises information of a target group and target statistics in the target group; determining a target group in candidate groups based on the information of the target group, and obtaining target data corresponding to the target statistic from candidate data of the target group; based on the target statistical analysis mode, performing statistical analysis processing ...

Information processing method and device, equipment and storage medium

The invention provides an information processing method and device, equipment and a storage medium, and relates to the technical field of artificial intelligence, in particular to the technical fields of big data, clinical trials and the like. The information processing method comprises the steps that based on a visit type, a visit template matched with the visit type is determined, and the visit template is generated based on configurable field information; based on the visit type and the visit template, visit schedule information is established, and the visit schedule information comprises visit time; based on the visit type and the visit time, a reminding message is displayed, and the reminding message is used for reminding an enrollment person to input visit data; and generating progress information of the visit schedule information based on the visit time and the input time of the visit data input by the adder in the visit template. The information can be flexibly and efficiently processed ...

Attack path visualization method and system in power system and electronic device

The invention provides an attack path visualization method and system in a power system and an electronic device, and the method comprises the steps: carrying out the collection and filtering of the real-time flow of the power system through an intrusion detection system, and obtaining the malicious attack flow; extracting and aggregating malicious traffic characteristics of the malicious attack traffic to generate an attacker fingerprint database; according to the attacker fingerprint database, filtering out attack traffic corresponding to an attack behavior from historical traffic of the power system; and performing time sequence division on the attack traffic, positioning an attack node of the attack behavior according to a time sequence division result, generating an attack path of the attack behavior according to the attack node, and performing visual display. Based on the actual network environment of the power system, the attack traffic is reversely traced according to the attacker ...

Soil thermal remediation feasibility simulation experiment device

The invention discloses a soil thermal remediation feasibility simulation experiment device which comprises an experiment box body, one side of the experiment box body is provided with an experiment cavity, the other side of the experiment box body is provided with a mounting cavity, the experiment box body is provided with an observation window on one side of the experiment cavity, the experiment box body is provided with double doors on one side of the mounting cavity, and the experiment box body is connected with a heating mechanism. The heating mechanism is installed in the experiment cavity, the detection mechanism is installed at the bottom of the heating mechanism, the lifting mechanisms are installed at the four corners of the top of the heating mechanism and installed on the experiment box body, the waste gas recycling mechanism is installed at the top of the experiment box body and connected with the experiment cavity, and the discharging mechanism is arranged on one side of the ...

Water and soil pressure monitoring system and method for shield construction process

The invention discloses a water and soil pressure monitoring system and method for a shield construction process, and belongs to the technical field of shield tunnel engineering. The water and soil pressure monitoring device has an anti-clogging function, corresponding measures can be selected for flushing or silt discharging of the pipeline, and the measurement precision is guaranteed. Meanwhile, by the adoption of the water and soil pressure monitoring device and the corresponding arrangement scheme, the water pressure, the soil pressure and the total pressure acting on the shield body in the construction process can be monitored, and the safety of tunnel construction under the conditions of high water pressure and deep covering soil is guaranteed. The invention further discloses a matched safety early warning system, the working state of the water and soil pressure monitoring device is monitored, whether leakage or clogging exists in the water and soil pressure monitoring device or not ...

Drum-type slurry mixing device for building construction

The invention relates to the technical field of building construction, in particular to a drum-type slurry mixing device for building construction. Comprising a second driving motor, the second driving motor is installed on the support, and an output shaft of the second driving motor is fixedly connected with a feeding blade through a second rotating shaft. The feeding shell is provided with a discharging mechanism used for premixing slurry. Mixed materials are repeatedly gathered and dispersed through the stirring mechanism, the mixing effect is improved, meanwhile, the mixed materials are continuously conveyed leftwards, mixing and stirring are achieved while the mixed materials move leftwards, the mixing effect is improved, meanwhile, the efficiency is improved, the mixed materials are preliminarily mixed through the discharging mechanism, the mixed materials fall downwards in a spiral shape, and the mixing efficiency is improved. The three components are in a spiral superposition state ...

Space information transmission device and method visible to human eyes

The invention provides a space information transmission device and a space information transmission method visible to human eyes in order to realize that a spacecraft running at a low orbit can actively send information visible to the human eyes and is used for emergency communication, science popularization education, space-ground interaction and the like. The device comprises N LED flicker arrays and an information sending controller used for receiving flicker information sent by an onboard computer on a spacecraft. The information sending controller comprises a primary power supply protection module, a power supply filtering module, a power supply conversion module, an LED driving module and a processor module which are connected in sequence; the power supply conversion module comprises a first power supply conversion unit for supplying power to the LED driving module and a second power supply conversion unit for supplying power to the processor module; the processor module comprises ...

Efficient surface treatment equipment for mold machining and use method of efficient surface treatment equipment

The invention discloses efficient surface treatment equipment for mold machining and a using method thereof.The efficient surface treatment equipment comprises a mold, the mold comprises an upper mold body, a lower mold body and a guide rod, a cavity is formed in the lower mold body, and the lower mold body is movably connected with the upper mold body through the guide rod; and a surface treatment mechanism is hinged to one side of the lower die through a hinge. After a mold is formed, an upper mold body and a lower mold body are separated, then a first driving motor drives a hinge to rotate, the hinge drives a surface treatment mechanism to rotate and move to the position over the formed mold body, at the moment, a first polishing disc and a second polishing disc are attached to the surface wall of the formed mold body, and after a second driving motor drives a driving gear to rotate, the surface treatment mechanism is driven to rotate. On one hand, the driving gear drives the first polishing ...

A device that spin -dries for warding off shell assembly line

... 本实用新型提供了一种用于搪壳流水线的甩干装置，属于铸造机械技术领域。它解决了现有的甩干装置工作效率低的问题。本用于搪壳流水线的甩干装置包括支架，在支架上设置有甩干组件和用于安装铸件的安装柱，所述安装柱设置于甩干组件上，所述甩干组件能使安装柱带动铸件周向转动。本用于搪壳流水线的甩干装置具有甩干效率高的优点。 ...

Three-order intermodulation level test system and test method for gyromagnetic device

The invention discloses a three-order intermodulation level test system and test method for a gyromagnetic device, which are used for three-order intermodulation levels of two paths of signals in the gyromagnetic device, and the test system is constructed by instruments and equipment such as a signal source, a power combiner, an attenuator and a frequency instrument. The first signal source and the second signal source are respectively subjected to power amplification, signal isolation and band-pass filtering and then are connected with two input ends of the power combiner, the output end of the power combiner is connected with the input end of the directional coupler through the low-pass filter, the coupling end of the directional coupler is connected with the power meter, and the load rated power is greater than the maximum transmission power of the test system. One end of the attenuator is connected with the frequency spectrograph, and the first signal source and the second signal source ...

Power distribution network energy storage locating and sizing method, electronic equipment and storage medium

The invention provides a power distribution network energy storage locating and sizing method, electronic equipment and a storage medium, and the method comprises the steps: taking the minimum energy storage rated power as a target function of a power distribution network energy storage locating and sizing model; line overload and node voltage out-of-limit constraints are represented in the form of a linear function of energy storage charging and discharging power through a sensitivity coefficient method; scene screening is carried out based on the robust thought, and a model scene is obtained; the optimal solution under the model scene is solved according to the objective function, the line overload and the node voltage out-of-limit constraint by obtaining the constraint condition of the energy storage locating and sizing model of the power distribution network. According to the method, an energy storage locating and sizing optimization model is simplified, so that the model better meets ...

Method and system for predicting shield tail sealing grease consumption of slurry balance shield tunneling machine

The invention provides a slurry balance shield machine shield tail sealing grease consumption prediction method and system. The method comprises the steps that parameter big data generated by shield tunneling is preprocessed, and parameters influencing shield machine grease consumption are screened for the first time; performing Spearman correlation analysis on the primarily selected parameters and secondarily screening research parameter data; after performing normalization and time serialization processing on research parameters, dividing the research parameters into a training set and a test set; establishing an artificial neural network model; taking the training set as the input of an artificial neural network, and training the neural network to obtain an optimal hyper-parameter model; and verifying the trained optimal hyper-parameter model by using the test set, and outputting the predicted grease consumption. According to the method, the consumption trend and consumption of the shield ...

Early warning method and system for mud cake formation of shield cutter head based on machine learning

The invention provides a shield cutterhead mud cake early warning method and system based on machine learning, and the method comprises the following steps: obtaining the parameter data of a shield tunneling machine in the construction process, carrying out the mud cake correlation analysis of the parameter data, and screening out key parameter data with high correlation with the mud cake; the mud cake forming state is judged according to the site construction condition and the key parameter data, and a mapping result set of the key parameters and the mud cake forming state is established. And a machine learning model is utilized to input the obtained key parameters and the mud cake formation state mapping result set into the model for training, and a mud cake formation state early warning model is obtained. Project parameter data with different working conditions are selected for processing, and a verification set is formed. And inputting the verification set data into the mud cake forming ...

Underwater linear motion mechanism and underwater equipment with same

The invention provides an underwater linear motion mechanism and underwater equipment with the same, relates to the technical field of underwater equipment, and mainly aims to provide the underwater linear motion mechanism which does not need a power supply and electric signal control. The underwater linear motion mechanism comprises a depth-keeping liquid inlet unit and a linear motion unit. A liquid flow channel is arranged in the depth-keeping liquid inlet unit and can be switched between a connection state and a disconnection state along with the change of environmental pressure; the linear motion unit comprises a sealing cylinder and a push rod assembly. One end of the sealing cylinder is communicated with the liquid flow channel, and the other end of the sealing cylinder is provided with a push rod assembly in a penetrating manner; when the liquid flow channel is in the open state, environment liquid flow can flow into the sealing cylinder through the liquid flow channel and push ...

Mercury-free catalyst, solid-phase grinding preparation method and application of mercury-free catalyst in synthesis of vinyl chloride by acetylene method

The invention discloses a solid-phase grinding preparation method for synthesizing a vinyl chloride non-mercury catalyst, and belongs to the technical field of catalyst preparation and application. The preparation method comprises the following steps: firstly, preparing a surface-modified activated carbon carrier, then pouring dimethyl acetylacetone gold and the surface-modified activated carbon carrier into a mortar for grinding and mixing, then putting into a quartz reaction tube, introducing H2/He mixed gas with the volume fraction of 5%, raising the gas flow rate to 140-160 DEG C from room temperature at the rate of 1-3.0 DEG C/min, keeping the constant temperature for 0.5-2.0 hours, and then cooling to room temperature at the rate of 1-3.0 DEG C/min. And cooling to room temperature, tabletting, and screening to obtain 60-100-mesh particles, thereby obtaining the catalyst. The non-mercury catalyst disclosed by the invention is simple in preparation process, good in repeatability and ...

Medical variable data processing method and device, electronic equipment and storage medium

The invention provides a medical variable data processing method and device, electronic equipment and a storage medium, and relates to the technical field of computers, in particular to the fields of big data processing, smart medical treatment and the like. According to the specific implementation scheme, the method comprises the steps of determining a target preprocessing mode in a plurality of pre-configured preprocessing modes for target medical variables; providing a parameter configuration item of the target preprocessing mode, and obtaining an input parameter corresponding to the parameter configuration item; and executing the target preprocessing mode on the target medical variable based on the input parameter to obtain a derivative variable of the target medical variable. According to the embodiment of the invention, the understanding cost of a medical variable preprocessing tool/platform is reduced, and the medical scientific research work efficiency is improved.

Gear type defoaming roller and operation method thereof

The invention discloses a gear type defoaming roller and an operation method thereof, and relates to the technical field of defoaming rollers. Comprising a defoaming mechanism and a holding mechanism, and the defoaming mechanism is mounted at one end of the holding mechanism; the defoaming mechanism comprises a roller support, a defoaming mechanism and a control mechanism, wherein a limiting piece is integrally arranged on the roller support; defoaming hobbing teeth are integrally arranged on the outer wall of the circumference of the rotating wheel, the defoaming hobbing teeth are of an L-shaped continuous distributed structure, and the included angle of the defoaming hobbing teeth is an acute angle; the gaskets and the rotating wheels are alternately distributed on the outer side of the roller support in a sleeving mode, and the gaskets and the rotating wheels can rotate on the outer wall of the roller support. According to the defoaming device, the rotating wheel with the defoaming hobbing ...

Debugging support for circulator/isolator debugging

The utility model discloses a debugging support for circulator/isolator debugging, which belongs to the technical field of magnetic device debugging and comprises a testing tool (1), a connecting support (2), a thickness compensation block (3) and a clamping mechanism (4), the connecting support (2) comprises a transverse part (21) and a vertical part (22) which are connected with each other, the testing tool (1) is located on the transverse part (21), and the thickness compensation block (3) is connected with the clamping mechanism (4); according to the utility model, the interchangeability of different test tools is strong, and one support can be used in cooperation with a plurality of test tools. A series of pressure heads with different diameters can be replaced and can be used for pressing devices with different sizes; the pressure of the device can be controlled, and the matching between the circulator/isolator port pin and the test circuit is enhanced; the demagnetizing coil can ...

Nuclear magnetic resonance image reconstruction method and system

The invention provides a nuclear magnetic resonance image reconstruction method and system. The method comprises the following steps: acquiring an original nuclear magnetic resonance Fourier space coding signal; performing wavelet transform denoising on the Fourier space coded signal to obtain a denoised coded signal; obtaining a to-be-optimized nuclear magnetic resonance image reconstruction model according to the denoised coding signal; performing optimization solution on the nuclear magnetic resonance image reconstruction model to obtain a preliminarily reconstructed nuclear magnetic resonance image; and performing adaptive denoising processing on the preliminarily reconstructed nuclear magnetic resonance image to obtain a reconstructed nuclear magnetic resonance image. According to the invention, wavelet transform denoising is carried out on the Fourier space coding signal, so that noise formed by external electromagnetic interference can be eliminated, and the quality of the signal ...

Variable combined hanging basket and construction method thereof

The invention discloses a variable combined hanging basket and a construction method thereof, and relates to the technical field of combined hanging baskets. Comprising an upper hanging basket mechanism and a lower hanging basket mechanism, the upper hanging basket mechanism comprises upper frame bodies, and an upper bearing plate is detachably installed between the two upper frame bodies through bolts; the elevator is mounted on a lower frame body; and the safety lock is mounted at the top of the upper frame body. By arranging the detachable double-layer hanging basket, in actual use, a person located on the lower hanging basket mechanism sprays paint, a person located on the upper hanging basket mechanism immediately uses a roller to dip primer along with downward movement of the hanging basket, and the quality and reasonable procedure linkage are guaranteed; in addition, a user can disassemble and adjust the overall size of the hanging basket according to needs, and the flexibility is ...

Coal mine underground data transmission method, device and equipment based on semantic splitting

The invention discloses a coal mine underground data transmission method, device and equipment based on semantic splitting, and relates to the technical field of mine data transmission, and the method comprises the steps: carrying out the semantic analysis of to-be-transmitted mine collection data information, and determining different data sub-segments with independent semantic integrity; splitting the data information to be transmitted according to the determined data sub-fragments; and sending the split data sub-fragments in parallel. As the split data sub-fragments have independent semantic integrity, data analysis can be performed on the independent data sub-fragments after the data sub-fragments are transmitted to the receiver, and finally, the analyzed data sub-fragments are spliced. In this way, analysis of part of data can be completed in data transmission, key information which is output from the underground and contains unsafe factor information can be obtained in advance before ...

Air traffic control event report risk factor identification method and system based on domain dictionary

The invention discloses an air traffic control event report risk factor identification method and system based on a domain dictionary, solves the problem of low extraction accuracy of text data risk factors such as unsafe event reports in the civil aviation air traffic control field, and realizes accurate identification of unsafe event factors. Semantic segmentation is performed on the air traffic control hazard source data after data preprocessing, candidate words forming a domain dictionary are obtained by using a combination frequency maximum matching method, part of words are screened out according to combination stability analysis, and an initial dictionary is formed; and optimizing and upgrading the initial dictionary in combination with the optimal convergence amount to obtain a final civil aviation air traffic control field dictionary, integrating the final civil aviation air traffic control field dictionary into a TF-IDF algorithm to form a new risk factor identification model, ...

Shield slag deposition prevention rock breaking hob and control system and method

The invention discloses a shield slag deposition prevention rock breaking hob and a control system and method, and belongs to the technical field of shield tunnel engineering. The anti-slag-deposition rock breaking hob for the shield comprises a rock breaking hob body installed on the surface of a cutterhead. The rock breaking hobbing cutter comprises a cutter cylinder, a hobbing cutter body installed in the cutter cylinder, a cutter cylinder gap formed between the cutter cylinder and the hobbing cutter body, a lubricating medium filled in the cutter cylinder gap and a vibration controller connected to the cutter cylinder. The system further comprises a pressure sensor, an operation control platform, a pump station and a material filling system. According to the method, the pressure of a medium in a cutter cylinder gap is fed back to an operation control platform in real time through a pressure sensor, pulse signals are continuously sent to a pump station as a target, and it is guaranteed ...

Mechanical timing mechanism, timing load rejection device and underwater robot with same

The invention provides a mechanical timing mechanism, a timing load rejection device and an underwater robot with the timing load rejection device, relates to the technical field of underwater equipment, and mainly aims to provide a mechanical timing mechanism which is relatively reliable to use underwater and mechanical equipment applying the timing mechanism. The mechanical timing mechanism comprises at least two timing assemblies and a series connection assembly, the timing assemblies are of a mechanical structure, and all the timing assemblies are sequentially arranged along a fixed path; the series-connection assembly is located between two adjacent timing assemblies, and the number of the series-connection assembly is at least one; and when the timing operation of the timing assembly located at the front side of any series assembly is terminated, the timing assembly located at the rear side of the series assembly starts the timing operation. The mechanical timing assemblies can be ...