27results about How to "Avoid participation" patented technology

The invention discloses a method for preparing a high-purity germanium ingot through reduced germanium powder vacuum melting ingot casting. The method comprises the following steps that firstly, a graphite boat is cleaned and charged; step 2, vacuumizing; 3, introducing nitrogen containing 1% of hydrogen; 4, raising the temperature, heating and melting the cast ingot; step 5, cooling is carried out; sixthly, the high-purity nitrogen continues to be introduced till the normal temperature and the normal pressure in the furnace body are recovered; and 7, discharging and taking materials. The high-purity reduced germanium powder is subjected to ingot casting in the vacuum nitrogen protective atmosphere through the high-temperature ingot casting furnace, participation of a large amount of hydrogen is avoided, the production cost and the safety risk are reduced, the production efficiency is improved, and the production cost is reduced.

The invention provides an intelligent detection method and system for absolute stress of a steering axle of a port machine, and relates to the technical field of stress measurement and detection. Carrying out synchronous correction and feature modeling on the collected data, and constructing an absolute stress calculation and intelligent analysis model; screening a structure benchmark operation interval based on the operation data, constructing a benchmark stress reference state, and evaluating the stability of the structure benchmark; on the basis, multi-axis decomposition is carried out on the absolute stress, a multi-axis stress decoupling coefficient is calculated, and multi-axis stress safety judgment and coordinated regulation are achieved; and further combining the stress time sequence evolution characteristics and the fatigue accumulation effect, evaluating the long-term stress evolution risk of the structure, and implementing steering, loading and maintenance strategies when the risk exceeds the limit. According to the method, online sensing, risk early warning and closed-loop optimization of the absolute stress of the steering axle are realized, and the operation safety and the structural reliability of the port machinery are improved.

The application discloses a floating butt joint device and a butt joint tray system, the device can float in three vertical directions, realizes butt joint between different trays and different bases, and eliminates the butt joint influence caused by manufacturing and assembly errors. After butt joint positioning of the tray and the ground fixed frame, air in the air path in the tray can be ventilated, and the butt joint mechanism can maintain pressure of the air path in the tray after being separated from the butt joint. The centering clamping mechanism can make the sliding sleeve after floating return to the initial position. The AGV trolley can be matched to realize automatic transfer of the initiating explosive, the explosive and the initiating explosive agent, participation of people in the material transfer process is avoided, and man-machine isolation is realized.

The utility model discloses a structure for avoiding interference between a charging quartz cylinder and the lower edge of an auxiliary chamber, which comprises an auxiliary chamber main body and a quartz cylinder main body arranged on the lower side of the auxiliary chamber main body, the lower side of the auxiliary chamber main body is provided with a flange interface a sleeved on the quartz cylinder main body, and the outer wall of the lower end of the auxiliary chamber main body is provided with a through opening with a downward opening. A plurality of magnetic plates a are fixedly connected to the outer wall of the upper end of the flange connector a at equal intervals, a plurality of magnetic plates b are fixedly connected to the circular inner wall of the through opening at equal intervals, the magnetic plates a and the magnetic plates b are in homopolar repulsion, and the transverse length of the distance between the magnetic plates b is equal to the transverse length of the magnetic plates a. According to the principle that like poles repel each other and unlike poles attract each other, the lower edge of the auxiliary chamber does not make contact with the quartz cylinder of the feeder, interference is avoided, the automatic feeding function of the coil base can be achieved, participation of personnel is avoided, and the purpose of improving the feeding safety is achieved.

The utility model relates to an automobile pin insertion detection system. Comprising a lifting appliance mechanism, a control module, a distance measuring module and a lifting module, the control module is in communication connection with the lifting appliance mechanism, the distance measuring module and the lifting module, and the distance measuring module is installed at the top end of the lifting module and faces the bottom of an automobile; an automobile is loaded and transferred to the lifting appliance mechanism and is positioned through a positioning pin; the lifting module can drive the distance measuring module to ascend and descend, the distance measuring module is used for detecting the distance between the automobile and the distance measuring module and generating a detection signal, the control module can control the lifting module to ascend and descend and control the sling mechanism to operate, and the control module can compare the detection signal with a preset distance range to judge whether the automobile is clamped into the mounting pin or not. The device can accurately detect whether the positioning pin is inserted into the positioning hole of the automobile or not, so that various risks such as automobile slipping and the like are completely eradicated.

The invention provides a method for determining the low-load stable combustion capacity of a thermal power generating unit boiler, and belongs to the field of power grids. The method comprises the following steps: taking a designed minimum load as an initial value of a minimum operation load; determining deviation of each technical parameter of the boiler according to the minimum operation load, and determining whether a test suspension condition is triggered or not according to the deviation of each technical parameter of the boiler; if the test suspension condition is not triggered, reducing the minimum operation load according to a first preset step length, and skipping to determine the deviation of each technical parameter of the boiler according to the minimum operation load, and determining whether the step of triggering the test suspension condition or not according to the deviation of each technical parameter of the boiler continues to be executed; if the test suspension condition is triggered, increasing the minimum operation load according to a second preset step length, and taking the increased minimum operation load as a target load; according to the method, the minimum operation load is gradually reduced through the test, the target load is obtained, and the low-load stable combustion capacity of the boiler can be effectively identified.

The invention provides a Hall memristor based on an aged insulator and storage and calculation integrated computing equipment, and the method comprises the steps: firstly, through symmetry engineering design, employing a quasi-two-dimensional aged insulator which breaks the central symmetry and rotational symmetry, supporting a quantum abnormal Hall state at the same time, and generating track magnetization and the coupling of an in-plane electric field and out-of-plane magnetization; secondly, a quantum geometric mechanism is introduced into the quantum Hall state without the Fermi surface, intrinsic track magnetoelectric coupling is achieved, and the dependence of a traditional mechanism on the Fermi surface is broken through; and the domain wall is directly driven by the in-plane electric field to move to realize magnetization overturning, so that the participation of body current is avoided, and the energy consumption is remarkably reduced. And finally, the device combines the overturning of the magnetic state with the hysteresis behavior of the Hall resistor, and the inherent non-volatility and memory characteristics of the device provide a key device basis for constructing novel calculation hardware integrating storage and calculation.

According to the steel wire phosphating tank with the raw material recycling function, phosphating liquid is stirred through a first driving part, so that the phosphating liquid circularly flows, the situation that the concentration of the phosphating liquid is not uniform is solved, meanwhile, a first overflow plate and a second overflow plate are arranged, a steel wire can be placed on the upper top faces of the first overflow plate and the second overflow plate, and therefore the concentration of the phosphating liquid is uniform. A phosphating solution flowing layer is formed between the top ends of the two plates, the concentration of the part of phosphating solution in contact with a steel wire is reduced, and the part of phosphating solution overflows and is discharged from the top end of a second overflow plate, and the part of phosphating solution can flow into a second auxiliary tank through a reflux inlet and can also flow into a recovery tank through a recovery opening through a first recovery mechanism; the problem that an existing phosphating tank does not recycle the phosphating solution with the reduced concentration is solved, and the phenomena that the overall concentration of the phosphating solution is not uniform, and the phosphating effect is reduced are avoided.

The invention provides a target instance detection method based on target scene discrimination consistency, and relates to the field of cross-scene target detection. According to the method, discriminant consistency evaluation is carried out on the source scene samples through the target scene model, the source scene samples with forward migration value can be effectively screened in the training process, and ineffective or harmful samples are prevented from participating in model training; a stable pseudo label is generated in combination with a teacher model, and noise interference in the training process is reduced; therefore, the negative migration phenomenon in cross-scene training is effectively inhibited, the detection precision and training stability of the model in the target scene are improved, and the method has good engineering application value.

The invention relates to the technical field of video processing, in particular to a video super-resolution method, device and equipment and a storage medium, and the method comprises the steps: carrying out the multi-scale coding of a to-be-processed video, and obtaining video features under a plurality of scales; fusing the video frame features corresponding to the same moment in the video features under different scales to obtain fused features; obtaining a high-resolution video frame based on the fusion feature and the up-sampling frame feature corresponding to the fusion feature at the same moment; and obtaining a target video based on the high-resolution video frames corresponding to the moments. According to the invention, the video super-resolution effect can be improved.

The application discloses a kind of substrate glass melting furnace heater double-cylinder self-propelled mechanism, including melting furnace outer fixed seat assembly, two groups of pressure driving cylinder assemblies and two groups of piston push cylinder assemblies are provided on the melting furnace outer fixed seat assembly, connecting arm assembly is fixedly arranged between the pressure driving cylinder assembly and piston push cylinder assembly, a set of complete substrate glass melting furnace heater single-cylinder self-propelled mechanism is formed between a group of the pressure driving cylinder assembly and a group of piston push cylinder assembly, two sets of complete substrate glass melting furnace heater single-cylinder self-propelled mechanism are provided on the melting furnace outer fixed seat assembly, and the two sets of complete substrate glass melting furnace heater single-cylinder self-propelled mechanism are through, when using, substrate glass melting furnace inside high temperature can realize the automatic displacement of substrate glass melting furnace heater to rear position, avoid internal temperature to rise too fast or temperature to be too high.

The invention discloses a foreign matter cleaning device in a strong electromagnetic environment, a control system and a using method, and relates to the field of electrical equipment overhauling, the foreign matter cleaning device in the strong electromagnetic environment comprises a shell, a connecting rod, a mechanical gripper and a driving mechanism, the connecting rod is arranged on the shell in a penetrating mode and is an insulating rod, and the mechanical gripper is arranged on the shell; the mechanical gripper is arranged at the end, away from the shell, of the connecting rod, the driving mechanism is arranged in the shell and used for driving the mechanical gripper to be opened and closed, and the driving mechanism comprises an air pump, a power source and a switch. Meanwhile, an insulating rod is selected as a connecting rod, participation of conductors such as electric wires is avoided, the advantage of being high in insulation grade is achieved, and electromagnetic interference in the strong electromagnetic environment is resisted. The device is suitable for bird control, foreign matter cleaning and the like of a power system in a strong electromagnetic environment.

The utility model belongs to the technical field of conveying equipment, and relates to a novel steel material conveying line which comprises a head assembly, a tail and tensioning assembly, a surface increasing wheel and a rack, an upper carrier roller, a lower carrier roller, a vertical roller, a baffle assembly and a buffer chute are installed on the rack, and a special conveying belt used for conveying materials is arranged on the carrier rollers. The special conveying belt comprises a base belt and a replaceable short belt, the lower carrier roller comprises a lower carrier roller frame and a lower carrier roller roller, the surface increasing wheel comprises a mounting frame and a surface increasing wheel body, the head and the driving combination are used for driving the special conveying belt, steel materials are conveyed to a buffering chute of the head from the tail and fall to a downstream conveying line, and continuous conveying of the steel materials is completed. The special conveying belt is adopted to replace a traditional conveying belt, the abrasion resistance, the anti-tearing performance and the replaceability of the conveying belt are improved, and conveying of steel materials such as scrap steel with lumpiness, complexity, sharp edges and corners, high abradability and impact characteristics is completed.

The present invention discloses a network function state sharing method and system based on RDMA. The method comprises: obtaining a state name of state data; wherein the state data comprises: state data to be stored or state data to be obtained; based on the state name, accessing the corresponding hash slot in the hash ring to obtain the corresponding node address; when the state data is the state data to be obtained, sending the state name to the second network function node corresponding to the node address, so that the second network function node obtains and returns the state data based on the state name; when the state data is the state data to be stored, sending the state data to be stored to the second network function node corresponding to the node address, so that the second network function node stores the state data to be stored. The present invention effectively reduces the communication delay between the nodes of the state sharing system and improves the throughput.

The present invention relates to an atomization assembly, an atomizer and an electronic atomization device. The atomization assembly includes: a substrate having an atomization surface for atomizing liquid to form smoke; an electrode film attached to the atomization surface of the substrate and used to be connected to a power source; and a heating film attached to the atomization surface of the substrate and electrically connected to the electrode film, the heating film being used to heat the liquid in the substrate for atomization. In the process of attaching the electrode film and the heating film to the atomization surface, it is convenient to attach them through automated equipment and avoid manual participation; at the same time, the entire atomization assembly is made compact, eliminating the interference of the atomization assembly with other parts during assembly, and is also convenient for assembly line assembly through automated equipment. Therefore, the efficiency and accuracy of the manufacturing and assembly of the atomization assembly are improved, and the large-scale production of the atomization assembly is realized, thereby reducing its manufacturing cost.

The invention discloses a shield tunneling machine cutterhead driving system dynamic maintenance control system which comprises a circuit breaker, an isolation boosting transformer and an AC690V frequency converter which are sequentially connected with a power grid, and a programmable logic controller connected with the circuit breaker and electrically connected with an operation panel, an AC380V frequency converter, a contactor and the AC690V frequency converter. The AC690V frequency converter is used for being electrically connected with a cutterhead driving motor of the shield tunneling machine to be maintained; the AC380V frequency converter is used for being electrically connected with a gear oil pump of the shield tunneling machine to be maintained; the contactor is electrically connected with a brake hydraulic pump, the brake hydraulic pump is electrically connected with a brake control mechanism, and the brake control mechanism is used for being connected with a brake executing mechanism of the shield tunneling machine to be maintained. The dynamic maintenance method can dynamically maintain the cutter head driving system of the shield tunneling machine to be maintained, and has the advantages of being high in maintenance efficiency and low in energy consumption.

The present disclosure provides a monitoring and management method, device, medium and electronic device for network vulnerabilities. The method includes: distributed collection of network vulnerability intelligence to be monitored from at least two intelligence data sources, and standardized analysis and processing of the collected network vulnerability intelligence to be monitored to obtain target vulnerability intelligence data; standardized storage and storage of the target vulnerability intelligence data to build a network vulnerability database; intelligence extraction and automatic parsing of the target vulnerability intelligence data that has been standardized and stored in the database using preset or customized network vulnerability extraction rules to generate network vulnerability intelligence to be reported; advanced analysis and automatic information completion processing of the network vulnerability intelligence to be reported, and automatic generation of vulnerability monitoring reports in a preset or customized output form. The present disclosure realizes the linkage of data collection and data reporting, while avoiding manual analysis and participation in the reporting and monitoring management process.

The application discloses an electrochemical synthesis method of imidazole[1,2-a]pyridine-3-aldehyde compounds, which comprises the following steps: dissolving compound II, compound III and lithium perchlorate in a solvent in a molar ratio of 1:(1.2-4):1, taking a carbon cloth electrode as an anode and a platinum sheet electrode as a cathode, reacting under the conditions of 15-mA direct current and 50-75 DEG C for 1-6 hours, cooling to room temperature, removing the solvent, and purifying by column chromatography to obtain the imidazole[1,2-a]pyridine-3-aldehyde compounds; and the electrochemical method provided by the application uses trimethylamine as a formylating reagent to construct the imidazole[1,2-a]pyridine-3-aldehyde compounds, and compared with a traditional preparation method, the trimethylamine as the formylating reagent is not only cheap and easy to obtain, but also has higher atomic economy.

The application provides a method and system for real-time calculation of torque while drilling based on an intelligent correction strategy, which loads well logging data and static data for constructing a model of friction torque while drilling, calculates full-well axial force and torque with surface hook load and torque as initial conditions, and draws a full-well axial force curve along well depth; then automatically identifies tripping conditions according to well logging data, and labels the surface hook load at different depths when the conditions are met, so as to select a curve with the largest similarity according to the Fréchet distance between the hook load calibration value and the axial force curve, and apply the corresponding optimal friction coefficient to the correction of the model of friction torque while drilling; finally, the model of friction torque while drilling is corrected and calculation is implemented. The scheme can optimize and correct the friction coefficient of the calculation model in real time during the implementation of the calculation, overcomes the defects of insufficient accuracy of the prior art, and improves the intelligence and timeliness of the calculation of friction torque while drilling.

Measures for radio network operation optimization are provided. Such measures exemplarily include determining a new quality of service profile for a first terminal; sending, to the first terminal, a consent request message indicating a need for consent to a change to the new quality of service profile; and receiving, from the first terminal, a consent response message indicating consent or non-consent to the change to the new quality of service profile.

The invention belongs to the technical field of heating furnaces, and particularly relates to an oxygen-fuel combustion system and method suitable for a heating furnace. Air is separated into oxygen and nitrogen through an air separator, the oxygen passes through a control valve and a flow meter, fuel gas passes through the control valve and the flow meter and is conveyed to a heating furnace through a special pipeline, the fuel gas and the oxygen are subjected to non-premixed combustion, the heating furnace is divided into a preheating section, a heating section and a soaking section, and the temperature of each section is accurately controlled by adjusting a burner. Flue gas firstly passes through the residual oxygen detector to detect the oxygen concentration, then enters the waste heat boiler to recover heat, then is cooled by the cooler, and finally enters the carbon dioxide trapping device under the pushing of the fan. Flameless combustion in the furnace is achieved through oxygen-fuel combustion, the radiation heat exchange intensity in the furnace is improved, combustion is more uniform, waste heat is recycled through the waste heat boiler, the energy utilization rate is increased, and carbon emission is reduced through the carbon dioxide capturing and storing device.

The invention discloses a media channel configuration method and device, a storage medium and electronic device.The media channel configuration method comprises the steps that in a low-power-consumption mode, configuration data of a current frame is obtained from a designated position of the storage device through DMA; analyzing the configuration data by adopting chip logic to obtain a target configuration address and a configuration value; configuring the configuration value to a shadow register of the target configuration address through DMA, wherein the shadow register is provided with a valid bit; and when the frame interrupt signal or the specified line interrupt signal is received, triggering the effective bit, so that the configuration value takes effect immediately. The scheme can reduce the power consumption in the media channel configuration process.

This application relates to the field of coal mining technology and provides a method and system for early warning of rockbursts based on the microseismic energy-frequency ratio index. The method determines the energy-frequency ratio index of the target object based on its frequency and energy ratio indices. Furthermore, based on the determined baseline critical energy-frequency ratio index, the dynamic critical energy-frequency ratio index of the target object is determined using multiple linear regression analysis. Then, the rockburst hazard level of the target object is determined by the time period during which its energy-frequency ratio index is less than the dynamic critical energy-frequency ratio index, or by the area under the curves of the energy-frequency ratio index and the dynamic critical energy-frequency ratio index. In this way, the energy and frequency indices are coordinated and unified, and the energy-frequency ratio index is proposed as an early warning indicator for rockbursts. The rockburst hazard level is determined quantitatively using only the changing trend of microseismic data, achieving dynamic early warning of rockbursts.

The invention discloses an eleutherine americana noodle sauce production system and production technology, and relates to the technical field of eleutherine americana noodle sauce production, the eleutherine americana noodle sauce production system comprises a base, the top of the base is provided with a heat preservation tank, a heating tank is fixed in the heat preservation tank, the interior of the heating tank is of a hollow structure, and the heating tank is filled with heat conduction oil; and the steam heat exchange assembly is arranged in the heating tank, and the steam heat exchange assembly is used for heating the heat conduction oil. According to the present invention, the eleutherine americana block and the edible oil can be separated through the mesh cylinder, the eleutherine americana block is prevented from participating in the subsequent production process, the taste of the eleutherine americana noodle sauce is ensured, after the mesh cylinder is reset, the liquid seasoning and the solid spice are placed in the mesh cylinder, and the stirring shaft and the stirring assembly work so as to achieve the stirring effect; seasoning and shredded eleutherine americana in the mesh cylinder can be fully mixed into eleutherine americana oil, solid spices are left in the mesh cylinder by the mesh cylinder, and the taste of the eleutherine americana noodle sauce is further guaranteed.

A non-vehicle-mounted automatic car arrester device of a tank car comprises a ground rail, a shell box body capable of moving along the ground rail is installed on the ground rail, and a wheel recognition sensor capable of recognizing wheels, a three-axis mechanical arm used for driving a car arresting triangular timber to move and an electric control box are installed in the shell box body. Three shafts of the three-shaft mechanical arm and a shell box body are all connected with corresponding driving motors for driving the three shafts and the shell box body to act, and the wheel recognition sensors and the driving motors are all connected with an electric control box. The free end of the three-axis mechanical arm is provided with a car stopping triangular wood which is driven by the three-axis mechanical arm to move outwards to the wheel car stopping position or driven to be removed and retracted into the shell box body. The car arrester can be placed after the wheels are automatically recognized, the car arrester is automatically removed after loading and unloading of a tank car are completed, the automation degree is high, efficiency is improved, labor force is saved, and therefore the safety of workers is guaranteed.

The present disclosure provides a code testing method, device, electronic device and storage medium. In an embodiment of the present disclosure, in response to a test operation, it is detected whether the code to be tested has changed. If the code to be tested has changed, the changed code segment to which the change belongs is determined, and at least one target operation unit corresponding to the changed code segment is determined based on a first preset relationship. At least one target test case corresponding to the at least one target operation unit is determined based on a second preset relationship. A test operation is performed on the at least one target test case. In this way, by indirectly associating the test case with the code segment through the pre-established first preset relationship and the second preset relationship, it can be ensured to a certain extent that the test case required for this time can be found more accurately, and unnecessary test cases are avoided from participating in the test link, thereby reducing the test cost and improving the test efficiency.