614results about How to "Strong process controllability" patented technology

The invention discloses an optimal design method and system for foundation pit supporting, and aims to improve the design efficiency and safety of a supporting structure, collect on-site landform and soil physical and mechanical parameters, evaluate the influence of foundation pit excavation on the surrounding environment, analyze geological disaster risks, formulate preventive measures and select a proper supporting structure type. Finite element analysis software is used for simulating the performance of different supporting schemes, monitoring equipment is installed to monitor the state of a foundation pit in real time, a machine learning algorithm is used for establishing a prediction model, a design scheme is adjusted according to monitoring data, the final performance of a supporting system is evaluated, abnormal conditions are recorded, and the design process and the construction method are continuously improved according to project feedback. According to the method, a data acquisition and processing module, a design decision support module, a numerical simulation and optimization module, a monitoring and feedback control module, a construction management module and a later evaluation and feedback module are integrated, a closed-loop optimization design system is formed, key problems in support design are solved, and engineering efficiency and safety are remarkably improved.

The invention discloses a regional water demand adaptive dynamic prediction method based on a deep reinforcement learning framework, and the method comprises the following steps: training a time sequence prediction model through historical water supply data, and obtaining an initial prediction value of the water demand at the next moment through the model; a reinforcement learning framework based on depth deterministic strategy gradient (DDPG) is constructed, a DDPG model is trained, the hyper-parameters are adjusted and optimized through Bayesian optimization, and correction of the initial predicted water demand is output; and adjusting the initial prediction value according to the correction value to obtain a final prediction result. According to the method, time sequence prediction and optimization control based on deep learning are effectively combined, the dynamic adaptive capacity is achieved, the regional water demand predicted value can be corrected in real time according to water supply strategy changes and environmental influences, more accurate judgment can be made, and optimal water resource distribution management is helped to be achieved.

The invention relates to the technical field of plastic production, in particular to an intelligent processing method and system for plastic mold process parameters. The method comprises the following steps: carrying out sensor network deployment on a plastic mold to obtain a mold parameter sensing network; operating parameters of the plastic mold are collected in real time through the mold parameter sensing network, and mold operating state data flow is obtained; performing process state feature extraction on the mold operation state data stream to obtain mold process state feature data; performing spatio-temporal data hierarchical analysis on the mold process state feature data to obtain mold state multi-scale feature data; and performing layered thermal field dynamic modeling on the plastic mold based on the mold state multi-scale characteristic data to obtain a mold thermal field evolution model. The key process parameters of the mold can be identified, and the stability and reliability of the mold performance are enhanced.

The invention relates to the technical field of computers, in particular to a multi-mode-based three-dimensional model editing method and device, equipment and a medium. The method comprises the following steps: acquiring a multi-modal fusion image personalized generation method and a source three-dimensional model; obtaining a personalized image generation network corresponding to the source three-dimensional model, and training the personalized image generation network; based on the reference image list and the corresponding text description, multi-modal embedded information is obtained after fusion; taking the trained personalized image generation network as a skeleton, and adding a multi-personalized learning module to obtain a multi-personalized image editing network; and editing the source three-dimensional scene image according to the multi-modal embedded information by using a multi-personalized image editing network to obtain a single-view-angle edited image. The multi-mode embedded information generated by the method allows a user to input prompt information of multiple modes such as texts, images, sketches and the like, complementarity of prompt of each mode is mined, so that controllability of editing is improved, and high-quality three-dimensional model editing is realized.

The invention relates to the technical field of equipment monitoring analysis, in particular to an intelligent monitoring and upgrading optimization system for dairy beverage production equipment, which comprises a raw material fluctuation monitoring and identifying module for monitoring and identifying the quality fluctuation of raw materials in the dairy beverage production process in real time and automatically detecting the quality fluctuation data of the raw materials; the production process self-adaptive adjustment module is used for adjusting production process parameters in real time through a self-adaptive algorithm on the basis of the raw material quality fluctuation data so as to compensate the influence caused by raw material fluctuation; and the production process feedback and optimization module is used for feeding back the execution effect of the production process according to the product quality data collected in real time in the production process in combination with the adjustment of the production process parameters, and adjusting and optimizing the production process parameters based on the execution effect. According to the invention, product quality fluctuation caused by unstable quality of raw materials in the production process is avoided, so that the production stability and the product consistency are improved.

The invention discloses an intelligent construction scheme optimization system based on building decoration, and relates to the technical field of building decoration. The system comprises four modules, and the constructor selection module is used for selecting a construction principal according to the performance value of the constructor. The building material monitoring module is used for dividing the storage area into a plurality of monitoring areas and marking the monitoring areas as deviation or overlapping areas according to the area overlap ratio; calculating a zone condition value, and marking the zone condition value as a suitable or non-suitable zone; and calculating a storage score value, and generating a storage early warning signal or a storage qualified signal. The construction safety supervision and analysis module is used for monitoring a construction site in real time and generating a construction early warning signal; calculating an operation monitoring value; and calculating a construction environment coefficient, and generating an environment control abnormal signal or an environment control normal signal. The construction progress risk monitoring module is used for collecting delay data, calculating progress influence values and generating influence signals of different levels; and adjusting the progress plan. According to the system, through intelligent management, the construction efficiency and safety are improved, and the construction cost is reduced.

The invention provides a fabricated building intelligent management method and system based on a BIM model, and the method comprises the steps: installing a sensor at a collection point, and collecting the position, angle, size and other sensing data in real time; preprocessing the collected sensing data, and carrying out cross validation on the preprocessed sensing data; calculating an actual error of each acquisition point of the preprocessed sensing data according to a cross validation result and a target error range, and generating an error analysis report; the result of the error analysis report is compared with the BIM model, and the difference between the actual component and the design model is displayed; and according to a comparison result, a correction or adjustment measure is formulated for the acquisition points of which the errors of each error analysis report exceed an acceptable range. The system comprises an equipment layout module, an error analysis module and an adjustment and correction module. The method plays an important role in improving the construction efficiency, quality and safety; and a closed loop is formed through data acquisition, analysis and feedback.

The invention belongs to the field of wastewater treatment. The invention provides a manganese-carbon composite controlled-release material as well as a preparation method and application thereof. The manganese-carbon composite controlled-release material comprises the following components: a manganese-rich mineral, a natural plant carbon source, a cementing material, aggregate, an additive and a foaming agent. The manganese-carbon composite controlled-release material disclosed by the invention can regulate and control the carbon release and manganese circulation process by virtue of the interaction between manganese and carbon, so that the electron transfer and mass transfer efficiency is remarkably improved, synergistic denitrification is realized, the overall denitrification efficiency is remarkably improved, and synchronous nitrogen and phosphorus removal and self-adaptive continuous denitrification are realized. The raw materials required for preparing the manganese-carbon composite controlled-release material are environment-friendly and low in price, the preparation process is simple, the preparation cost is low, and the manganese-carbon composite controlled-release material can be applied to filler in a submerged area of an artificial wetland, a biological filter and a biological retention system, and can be widely applied to application scenes such as tail water advanced treatment of a sewage treatment plant, rural agricultural sewage treatment and initial rainwater purification.

The invention discloses energy-saving high-pressure cleaning equipment for square and rectangular pipes, and relates to the technical field of high-pressure cleaning, the energy-saving high-pressure cleaning equipment comprises a main body frame, a cleaning module is mounted above the main body frame, a rotational flow collaborative cleaning mechanism is arranged in the cleaning module, and the rotational flow collaborative cleaning mechanism is used for changing a water flow mode to ensure internal and external water flow collaborative high-pressure cleaning; the introduced air conveying bin only surrounds the outmost periphery of the nozzle, air flow flows along spiral water flow on the outmost periphery of the nozzle after being discharged in a vertical flowing mode, through the design, the peripheral water flow obtains additional momentum under the action of wind power, and then the momentum is transmitted to the internal water flow through collision among fluid molecules; according to the process, redistribution of energy is achieved, energy of internal water flow is supplemented, and water flow impact force borne by the peripheral square and rectangular pipes and the internal square and rectangular pipes is more balanced through the effect of wind power on the peripheral water flow and transmission of the energy to the internal water flow.

The invention relates to the technical field of nucleic acid detection, and discloses a nucleic acid integrated detection device based on a flexible structure and a push-pull structure, which comprises a detection main body, an upper cover, a bottom shell and an extrusion block arranged between the upper cover and the bottom shell, the detection main body is arranged in an accommodating cavity between the upper cover and the bottom shell; the detection main body comprises a sample introduction tube, a nucleic acid extraction-free reagent chamber, a first buffer solution chamber, a nucleic acid amplification reagent chamber, a second buffer solution chamber, a uniform mixing chamber, a sample loading groove and chromatography test paper which are connected in sequence, wherein the nucleic acid extraction-free reagent chamber, the first buffer solution chamber, the nucleic acid amplification reagent chamber, the second buffer solution chamber and the uniform mixing chamber are flexible reagent chambers; the head end of the sample loading groove is connected with the uniform mixing chamber, and the tail end of the sample loading groove is connected with the chromatography test paper; and the extrusion block can move from one end of the upper cover to the other end and is used for extruding the liquid in the detection main body and forcing the liquid to flow downstream. The liquid is extruded to flow downstream only when the extrusion block is manually pushed to move, so that the controllability of the detection process can be realized.

The invention discloses a device and a method for preparing single-wall and few-wall carbon nanotubes, and relates to the technical field of nano carbon materials, the device structurally comprises a heating system, a feeding system, a gas path system, a cooling system and an electrical system, the heating system comprises a medium-frequency induction furnace, an induction coil and a graphite crucible; the gas path system comprises a gas inlet; the feeding system comprises a second catalyst feeding hole and a discharging hole; wherein the feeding hole is formed above the graphite crucible, the air inlet is formed in the side surface of the medium-frequency induction furnace, and the discharging hole is formed in the other side of the medium-frequency induction furnace. The metal molten pool is used as a heat source, a steady-state heat source is provided for catalyst evaporation and single-wall / few-wall carbon nanotube growth, compared with a plasma method and an electric arc method, catalyst evaporation is more uniform and mild, the catalyst utilization rate is increased, and the single-wall / few-wall carbon nanotube growth efficiency is remarkably improved.

The invention discloses a traveling wave electric curtain lunar dust conveying device based on three-dimensional electrodes, and relates to the field of lunar dust conveying. In order to solve the problems of low utilization rate of an electric field, easy abrasion of equipment and high energy consumption in the existing lunar dust transportation work in the prior art, the technical scheme provided by the invention is as follows: the traveling wave electric curtain lunar dust transportation device based on the three-dimensional electrode comprises a substrate; the wedge-shaped microstructure is arranged on the upper surface of the substrate, and the wedge-shaped microstructure is in a triangular prism shape; and the electrodes are arranged on the side walls of the wedge-shaped microstructures and used for generating electrodes and transporting lunar dust particles. The invention also provides a traveling wave electric curtain lunar dust transportation method based on the three-dimensional electrode, the method is realized based on the device, and the method comprises the following steps: collecting the motion state of lunar dust particles; a step of adjusting a driving voltage according to the motion state; and driving the electrode according to the adjusted driving voltage. The lunar dust conveying device is suitable for lunar dust conveying work.

The invention discloses a ducted unmanned aerial vehicle structure. The device comprises a machine body supporting beam, fixed ducted fans and movable ducted fans are arranged on the left side and the right side of the machine body supporting beam, the fixed ducted fans are arranged on the front side and the rear side of the movable ducted fans, a fixed frame and a telescopic frame are arranged on the machine body supporting beam, and the fixed ducted fans and the machine body supporting beam are fixed. The movable ducted fan and the machine body supporting beam are movably connected left and right, the fixed ducted fan and the movable ducted fan each comprise a ducted body, a motor base is arranged on the inner side of each ducted body, the motor bases and the ducted bodies are fixed through a plurality of guide vanes, motors are fixed to the motor bases, water cooling cavities are formed in the motor bases, and the water cooling cavities are formed in the outer sides of the motors. A cooling water channel is arranged on the inner side of the guide vane. The folding unmanned aerial vehicle has the beneficial effects that the folded unmanned aerial vehicle is of an H-shaped structure, and the trafficability of road transportation or road driving can be met; and the extended unmanned aerial vehicle is of a *-shaped structure, so that the yaw control capability is improved.

The invention discloses a light-weight energy-absorbing polyurethane power battery pouring sealant and a preparation method and application thereof.The preparation method comprises the steps that liquid MDI and polytetrahydrofuran glycol serve as raw materials to prepare an isocyanate-terminated polyurethane prepolymer; the polyurethane power battery pouring sealant is prepared by reacting 1, 4-butanediol through adjusting a chain extension coefficient to generate microcellular foaming polyurethane, and a microcellular structure is formed through the reaction, so that the related performance requirements of light weight, energy absorption and the like of the power battery pouring sealant are met; the polyurethane pouring sealant prepared by the invention has the advantages of light weight, and excellent energy absorption and vibration reduction performance, mechanical property, thermal stability and bonding performance; and the preparation process is simple and controllable, environment-friendly and reliable, the cost is low, the stability and safety of the power battery can be improved, the development of new energy automobiles is promoted, and the environment-friendly requirement is met.

The invention relates to the technical field of ceramic membrane coating, and discloses a ceramic membrane slit coating machine which comprises a base, a pair of side plates are arranged on the base, a coating roller and a pressing roller are arranged between the side plates, mounting grooves are reserved in the tops of the left side plate and the right side plate, mounting plates are slidably arranged on the mounting grooves, and the pressing roller is rotatably arranged between the mounting plates. A first air cylinder for driving the mounting plate to move up and down is arranged at the top of the side plate, and a height adjusting mechanism for driving the coating material groove to move up and down is arranged on the lower side of the coating material groove. Compared with the prior art, the ceramic membrane coating device has the beneficial effects that the coating material groove can be manually controlled to ascend and descend according to the working procedure during ceramic membrane coating, coating scattering and membrane material pollution are avoided, and safety is improved; coating and termination of the ceramic membrane are rapidly carried out, and the controllability of the device is improved; the angle between the scraper and the coating roller is controlled, so that the coating is more uniformly coated on the coating roller; and the distance between the scraper and the film material on the coating roller is accurately adjusted, so that the coating precision of the ceramic film material is improved, and the applicability is improved.

The invention discloses an automobile shock absorber technology, and aims to provide a mistake proofing device for spring plate spiral lift point position height and a control method thereof. The technical scheme is that the mistake proofing device comprises a base used for bearing all mechanisms, a rotating table mechanism is arranged on the base, and a liquid storage barrel placing rod is installed on the rotating table mechanism; an expansion head mechanism for expanding and fixing the liquid storage cylinder is arranged at the top of the placing rod; the pressing mechanism is arranged on the rear side of the base and used for pressing and fixing the spring plate; the positioning mechanism is arranged on the base and used for positioning and supporting the spring plate; the detection mechanism is arranged at the bottom of the positioning mechanism and used for precise detection; the control system is connected with all the mechanisms through a PLC and used for controlling all the mechanisms; the control system can also remotely control the welding robot to facilitate subsequent welding work; through a plurality of components such as the base, the pressing mechanism and the positioning mechanism, the accuracy of the mounting, pressing, positioning and detecting processes is ensured; the invention is suitable for the technical field of automobile shock absorbers.

A plasma-assisted fine abrasive particle jet polishing machining and manufacturing device comprises a plasma generating system, a fine abrasive particle jet system and an auxiliary machining system, a loading disc of the auxiliary machining system is installed on one side of a workpiece converter, a rotating shaft is arranged at the axis position of the loading disc, and the rotating shaft is in transition fit with a rotator; the rotating speed control box controls the rotating speed of the rotating shaft; the tool converter is installed at the upper end of the connecting frame, the left end and the right end of the connecting frame are connected with the air suction pump through guide pipes respectively, and the bottoms of the guide pipes are communicated with the collecting chamber. The plasma generation system and the fine abrasive particle injection system are both located above the tool converter, the fine abrasive particle injection system is installed on the loading disc, and the plasma generation system is installed on the other side of the workpiece converter. The invention further provides a plasma-assisted fine abrasive particle jet polishing machining and manufacturing method. According to the invention, chips are easy to remove, the finishing surface shape precision is higher, and the processing controllability is high.

The invention relates to the field of air treatment, and provides a multi-stage rotating wheel dehumidification device and an air treatment system. The multi-stage rotating wheel dehumidification device comprises at least three rotating wheels, an interval is formed between every two adjacent rotating wheels, the axes of the at least three rotating wheels are coaxially arranged, the interval located on the first side of the axis forms a working air channel, and the interval located on the second side of the axis forms a regeneration air channel. The first side of the axis and the second side of the axis are oppositely arranged; the heat exchanger is arranged in the working air channel; the regeneration air valve is arranged in the regeneration air channel between at least one pair of adjacent rotating wheels and is used for switching connection and disconnection between the regeneration air channel and the rotating wheels; and the regeneration air switching assembly communicates with the regeneration air channel fluid so as to switch outdoor fresh air and / or working air to serve as regeneration air. According to the multi-stage rotating wheel dehumidification device, the system structure can be adjusted according to the outdoor air state, the indoor wet load and the low-humidity requirement of a user, and the humidity adjusting range is expanded.

The invention relates to the technical field of photoelectric materials, in particular to a rare earth doped perovskite quantum dot and a preparation method thereof. The preparation method of the rare earth doped perovskite quantum dots comprises the following steps: mixing and dissolving a lead source, a rare earth source and a solvent to obtain a mixed solution; wherein the lead source and the rare earth source do not contain halogen; reacting the mixed solution with excessive halogenated aliphatic amine precursors to obtain a reaction intermediate solution; the reaction intermediate solution reacts with a fatty acid cesium precursor, and the rare earth doped perovskite quantum dots are obtained after cooling. The preparation method of the rare earth doped perovskite quantum dots is good in controllability, low in requirements for reaction conditions and equipment and high in repetition rate, and the prepared rare earth doped perovskite quantum dots are good in luminescence performance and stability.

A high-altitude operation construction vehicle with hoisting and cross arm assisting functions comprises a crane system, a caterpillar band chassis, a swing mechanism, a telescopic arm, a fly arm, a quick change device, a working platform and a cross arm assisting tool, the swing mechanism is installed on the caterpillar band chassis, the fixed end of the telescopic arm is hinged to the swing mechanism, the crane system is installed on the telescopic arm, and the fly arm is installed on the cross arm assisting tool. The flying arm is installed on the telescopic arm through a conversion device, the flying arm can be converted between a storage state and a working state through the conversion device, the flying arm is fixed to the fixed end of the telescopic arm in the storage state, the flying arm is fixed to the telescopic end of the telescopic arm in the working state, and the working platform is detachably connected with the flying arm through a quick change device. The cross arm auxiliary tool is installed on the working platform. The crane can be used as a crane and can also be connected with the working platform through the fly jib, and the cross arm is mounted through the cross arm auxiliary tool on the working platform, so that the operation intensity and risk of workers are greatly reduced, and the construction cost is reduced.

The invention discloses a preparation method of a gallium nitride-based resonant cavity light-emitting diode and a product of the gallium nitride-based resonant cavity light-emitting diode. The method sequentially comprises the following steps: epitaxially growing a gallium nitride-based epitaxial layer on an original substrate, and preparing a plurality of curved surface structures on one surface of the gallium nitride-based epitaxial layer; sequentially depositing a current expansion layer, a curved surface reflector and a transition layer on the curved surface structure along a first direction, and preparing a regional metal substrate corresponding to the size of the transition layer on the surface of the transition layer of each curved surface structure; placing one side of the regional metal substrate on a temporary substrate, removing the original substrate, and polishing, thinning and planarizing the other surface of the gallium nitride-based epitaxial layer; depositing a plane mirror on the other surface of the gallium nitride-based epitaxial layer, and preparing an electrode; and removing the temporary substrate to obtain the single independent gallium nitride-based resonant cavity light-emitting diode. According to the invention, metal curled edges and side wall damages during obtaining of an independent device can be improved, an experimental process is optimized, and performances of light output power and the like of the device are improved.

The invention is suitable for the technical field of project management, and particularly relates to a project management method and system based on an AI large model technology, and the method comprises the steps: segmenting a project site into a plurality of blocks, configuring a key node in each block, determining the completion time of each key node, and generating a progress schedule; according to the method, video monitoring data of a project site are collected, resources of each block are determined, the resources at least comprise personnel and construction time, monitoring periods are set, and snapshots of two adjacent monitoring periods are intercepted from the video monitoring data. By determining the defect item and the priority item, resource configuration can be optimized, resources can be adjusted in time according to the progress schedule, it is guaranteed that the project is completed on time, by constructing the resource management pool, the project bottleneck can be visually displayed, the resources can be adjusted in real time, the overall progress of the project is accelerated, project management is continuously optimized, and the project management efficiency is improved. And the project management efficiency is improved.

The soft rehabilitation glove comprises a corrugated pipe driver, a glove body, a tendon line, a control box, a control system and a driving device, the control system and the driving device are located in the control box, one end of the tendon line is connected with the driving device, and the other end of the tendon line is connected with the corrugated pipe driver; the wall thickness of each joint section of the corrugated pipe driver is sequentially reduced from the finger root to the fingertip, the corrugated pipe driver is fixedly connected above the finger part of the glove, and the corrugated pipe driver is longer than the finger part of the glove; the control system is used for receiving an instruction of a user and controlling the driving device, and when the tendon line shrinks, the corrugated pipe driver shrinks and stores elastic potential energy, and meanwhile, the fingers are driven to stretch; when the tendon lines are loosened, the corrugated pipe drivers can extend, the elastic energy stored in the corrugated pipe drivers is released, and the fingers are driven to be passively bent. The device can avoid secondary damage and discomfort caused by overlarge force generated by active driving, has internal compliance and natural adaptability, and further has the advantages of being light in weight, easy to control, portable and the like.

The invention relates to a method for realizing service migration by utilizing a similarity algorithm based on ARMA, the similarity algorithm is established by analyzing historical operation data of each server, and the calculation result of the similarity is used as the basis for selecting a source server, the basis for service migration, the basis for selecting a target server and the basis for judging whether migration is reasonable or not. According to the method and the device, the problems that service migration is uncontrollable due to lack of data support and unreliable due to dependence on artificial experience are solved, the resource utilization efficiency of each server can be remarkably improved, the service migration can be standardized, programmed and materialized in experience, and server resources are reasonably utilized.

The invention discloses a novel high-strength plastic magnesium alloy and a preparation and processing method thereof. The magnesium alloy is prepared from, by mass, 3%-10% of Gd, 1%-5% of Y, 0.3%-5.0% of Sn, 0.3%-1.5% of Sb, 0.3%-1.0% of Ge, 0.3%-1.0% of Ca, 0.3%-1.2% of Sr, 0.3%-1.0% of Zr and the balance pure magnesium. The preparation and processing method of the alloy comprises the following steps: (1) preparing raw materials according to target alloy components, and smelting to obtain a magnesium alloy melt; (2) pouring the magnesium alloy melt to form a cast ingot; (3) heating the cast ingot for deformation cogging; (4) carrying out homogenizing heat treatment on the blank; (5) carrying out hot working on the homogenized alloy, and then carrying out artificial aging under the combined action of pulse current and direct current; and (6) the aged material is placed in liquid nitrogen to be kept, and then the deformation residual stress of the material is reduced in a cold water pouring and freezing mode. The defect of the magnesium alloy in the aspect of plastic deformation capacity can be effectively overcome, the controllability of the magnesium alloy structure can be achieved, and the application range of the magnesium alloy is further expanded.

The invention discloses a purification method and a purification device for crystallized magnesium, and relates to the field of magnesium metal smelting. The method comprises the following steps: under the protection of an inert atmosphere, firstly carrying out pressure-applying melting treatment on a magnesium material to be smelted, and then carrying out pressure-applying filtering treatment on a product obtained after the melting treatment, so as to complete the flux-free smelting process of the magnesium material. And meanwhile, the metal magnesium liquid and most of the oxide shells are separated by utilizing the liquidity difference between the liquid metal magnesium and the solid oxide shells. Compared with a conventional smelting process without pressure application, the method has the advantages that the melting rate of the crystallized magnesium can be remarkably increased, most of oxide impurities are removed, a series of pollution problems caused by flux use are solved from the source, and low-cost, high-efficiency and high-quality smelting of the crystallized magnesium is realized.

The utility model relates to a nodular cast iron pipe cement lining internal grinding walking mechanism which comprises a grinding assembly. The walking frame is of a rigid structure with the side face in an N shape, the two ends fixed, the lower portion provided with a gap in the travel direction of the nodular cast iron pipe cement lining internal grinding walking mechanism and the upper portion provided with a plane. The trolley assembly comprises a trolley base, a connecting arm and an adjusting arm, the trolley base, the connecting arm, the adjusting arm and a connecting shaft form a closed annular structure, and the trolley base, the connecting arm, the adjusting arm and the connecting shaft are in a wrapping posture and embraced on the walking frame; the driving device is located on the trolley base and provides power for movement of the trolley base; compared with the prior art, the trolley assembly has the advantages that the trolley base is stabilized on the walking frame in a tree-embracing mode through the connecting arm, the adjusting arm and the connecting shaft, the stability of the trolley assembly in the whole movement process is improved, the grinding quality is improved, and adverse factors such as vibration generated by grinding are avoided.

The invention relates to the technical field of medicines, in particular to a preparation method of fine-particle budesonide crystals, which comprises the following steps: (1) mixing budesonide with ethanol, heating and stirring until budesonide is completely dissolved to obtain a dissolved clear solution; (2) adding the dissolved clear liquid into rapidly stirred purified water, and rapidly stirring at 0-20 DEG C for 10-60 minutes; and (3) stopping stirring, filtering, and drying to obtain a budesonide product with the granularity D95 being less than or equal to 5 microns. The invention aims to provide a method for directly obtaining a budesonide raw material with a small particle size through recrystallization without crushing. Meanwhile, the budesonide raw material prepared by the method is not easy to coat a solvent, and the solvent residue meets the standard.

The invention discloses a workflow operator recommendation method and device, equipment, a storage medium and a product, and relates to the technical field of data processing, and the workflow operator recommendation method comprises the steps: obtaining a precursor operator selected by a user based on a current workflow task chain; acquiring a subsequent operator demand input by the user based on the precursor operator; retrieving subsequent operator requirements based on the operator knowledge base to obtain an operator candidate set; and sorting the operator candidate set through a resorting model, and recommending the sorted target operator set to a user. The operators are gradually determined in the workflow in the form of interaction with the user to generate the workflow, and the system recommends the appropriate operators in each step according to the requirements of the user and the context information of the current path, so that the flexibility and the controllability can be greatly improved, and the use threshold of the user is reduced.

The invention provides a petroleum-based adhesive for a prebaked anode and a preparation method of the petroleum-based adhesive, and relates to the technical field of prebaked anode production. The preparation method of the petroleum-based adhesive comprises the following steps: mixing residual oil with an activating agent, then heating to carry out a first polymerization reaction, and cooling after the reaction to obtain a modified adhesive; and mixing the obtained modified binder with a fraction obtained after reduced pressure distillation of catalytic slurry oil, heating and melting, sealing, heating, carrying out a second polymerization reaction, and cooling after the reaction to obtain the petroleum-based binder for the prebaked anode. A two-stage thermal polymerization method is adopted, the first stage is a medium and low temperature thermal polymerization method, small molecules in residual oil are subjected to medium and low temperature thermal polymerization modification, and the carbon residue rate of asphalt can be increased; the second-stage thermal polymerization mainly enables part of unreacted groups of the first-stage modified adhesive to continue to be subjected to thermal polymerization reaction with the treated catalytic slurry oil at high temperature, and the high-residual-carbon low-viscosity adhesive coal pitch for the prebaked anode is obtained.