19results about How to "Avoid performance differences" patented technology

The production technology comprises a stirring tank, a stirring shaft is arranged in the stirring tank, the stirring shaft is driven by a motor assembled on the top of the stirring tank to rotate, a plurality of stirring rods are arranged on the surface of the stirring shaft, a processing box is connected to a discharging opening of the stirring tank, and a processing mechanism is arranged in the processing box; the cooling sieve is used for cooling and sieving fallen materials; a plurality of flow stirring mechanisms are arranged on the inner side wall of the stirring tank, are in sliding connection with the inner wall of the stirring tank, and can horizontally move towards the middle of the stirring tank; a flow guide pipe is arranged on the peripheral surface of the stirring tank in a surrounding manner, connecting pipes are communicated with the parts, corresponding to the flow stirring mechanisms, of the inner end surface of the flow guide pipe, and the other ends of the connecting pipes are connected with the outer wall of the stirring tank. The stirring tank overcomes the defects that materials in a dead angle area of an existing stirring tank cannot be effectively stirred, and consequently mixing is uneven.

The invention discloses an energy storage system control circuit, and relates to the technical field of energy storage systems. The invention discloses an energy storage system control circuit which mainly comprises an energy storage battery module, an electric energy control module and a power supply module. Each module in the battery pack is connected with an equalization circuit in parallel, one end of a direct current-to-alternating current circuit in the electric energy control module is connected with the output end of the battery pack, and the other end of the direct current-to-alternating current circuit in the electric energy control module is connected with each module in the battery pack and the equalization circuit through a rectification filter circuit to form an electrical loop. Meanwhile, direct current of the battery pack is converted into alternating current to serve as a standby power supply through direct current to alternating current, alternating current of mains supply and alternating current converted by the battery pack serve as input of a switching power supply through automatic transfer switching equipment, flexible switching of the power supply is achieved, and stability and reliability of the energy storage system are improved.

The invention relates to the technical field of battery diaphragms, in particular to a laboratory double-sided coating device which comprises a tank body used for containing slurry and a clamp used for fixing a base material, and the clamp is provided with a first coating area and a second coating area which are located on the two opposite sides of the base material respectively and penetrate through the clamp. The first coating area and the second coating area are at least partially arranged in the tank body. According to the double-sided coating device for the laboratory, double-sided coating of a base material can be achieved at the same time, the coating efficiency is high, and performance difference between the two sides of a diaphragm is avoided; the device is simple in structure, low in equipment cost, easy and convenient to operate, small in equipment occupied size and especially suitable for coating operation in a laboratory.

The present application belongs to the technical field of traditional Chinese medicine, and specifically discloses a traditional Chinese medicine composition for treating children's functional dyspepsia, a preparation method and application thereof. The traditional Chinese medicine composition is prepared from the following raw medicinal materials by weight: Fructus Aurantii Immaturus 5-20 parts, Magnolia officinalis 5-20 parts, Forsythia suspensa 5-30 parts, Dendrobium 5-30 parts, Atractylodes macrocephala 5-20 parts, and Glycyrrhiza 5-30 parts. The pharmacological experiment results show that the traditional Chinese medicine composition has the effects of improving gastrointestinal motility and regulating gastrointestinal hormone secretion, has a significant therapeutic effect on children's functional dyspepsia, has stable curative effect, and has a small dosage. Meanwhile, the present application has the advantages of simple process operation, low cost, good controllability and stability, and is suitable for industrialized mass production.

The utility model discloses a nut surface oiling treatment device which comprises a treatment box, an oil bin is arranged in the treatment box, an oil pump is fixedly connected to the upper surface of the treatment box, a connecting pipe is fixedly connected to the output end of the oil pump, and a spray head is fixedly connected to the end, away from the oil pump, of the connecting pipe. The input end of the oil pump is fixedly connected with an oil inlet pipe, the inner surface of the treatment box is fixedly connected with a slope block, and an open groove is formed in the upper surface of the oil bin. Through the arrangement of the fixing frame, the sliding rod, the spring, the sliding block, the filter screen frame, the motor, the rotating shaft and the cam block, an oiling agent can be more evenly distributed on the surface of a nut, the performance difference of the nut caused by uneven oiling is avoided, meanwhile, through the arrangement of the oil pump, the oil inlet pipe, the inclined plane block and the filter screen frame, redundant oiling agent can be filtered and then reused, and the oiling efficiency is improved. Therefore, the waste of the oiling agent can be reduced, the cyclic utilization of resources is realized, and the production cost is reduced.

The utility model relates to cross -film self -adhesion waterproof roll material technical field, concretely is a kind of cross -film self -adhesion waterproof roll material production equipment, it includes production table, preheating tensioning mechanism, cooling mechanism and sliding block: preheating tensioning mechanism is set in the end of production table;Cooling mechanism is set in the top of workbench;Sliding block is slidably arranged on preheating tensioning mechanism.The utility model is through the setting of winding assembly and preheating tensioning mechanism, motor one is rotated winding by winding roller and is rolled, motor two drives the air in preheating roller to flow quickly to thus accelerate the preheating of preheating roller, spring two and spring three can be according to the size of roll material adjust the position of pressing plate and preheating roller, like this can ensure that roll material keeps flat in production process, avoid the wrinkle, deformation or thickness uneven caused by slackening, to improve the appearance quality and size precision of roll material, and make roll material base material and glue layer heat consistent, avoid the performance difference caused by local overheating or supercooling.

The invention relates to a pose solving method for weak-texture disordered stacked parts based on deep learning. Firstly, annotation data for network training is automatically generated through a computer technology, and the cost consumption of manual annotation is greatly reduced. Secondly, attention matrix calculation is added in the aspect of network design, the point cloud instance segmentation effect is improved, an added feature point prediction module predicts single part instance point cloud, predefined feature point positions are solved, and then the network has the part pose solving capacity through point cloud registration. Compared with a traditional point cloud registration method, the feature point registration method provided by the invention greatly reduces the time loss, and avoids the defect of poor algorithm performance caused by different sampling distances of sensors at the same time. Finally, the accurate positions of the feature points are solved through a Hough voting method in the inference stage, errors introduced by instance segmentation are optimized, and the accuracy of pose prediction of the weak-texture disordered stacked parts is further improved.

The invention discloses a feature rapid design method and device based on feature standardization and a storage medium, and belongs to the technical field of three-dimensional design, and the method comprises the steps: carrying out parameterization design on features in historical design according to standardized feature definition in three-dimensional digital-analog software; feature creation is carried out on the features subjected to parameterization design; storing the created features into a pre-constructed unified feature library; according to design requirements, selecting required features in the unified feature library; according to feature information set by design, the selected features are subjected to parameterization modification and inserted into a model, by extracting and reusing the features from existing design, design from zero is avoided, so that the problem of repeated design is greatly reduced, and by establishing a unified feature library and standardized feature definition, the design efficiency is greatly improved. It is ensured that designers use the same features in the design process, and design consistency is achieved in large-scale product design.

The invention discloses a coal pitch-based surfactant and a preparation method and application thereof, and belongs to the technical field of surfactants, coal pitch is used as a raw material, after impurity removal, a chlorosulfonic acid group is introduced on a benzene ring in a coal pitch molecular structure through sulfonylation reaction of chlorosulfonic acid and phosphorus oxychloride, and the coal pitch-based surfactant is obtained. Then sulfonate is generated through an esterification reaction between a chlorosulfonic acid group and a hydroxyl group at the upper end of a hydrophilic chain, the hydrophilic chain is introduced to the edge of a coal pitch molecular structure, surface activity is given to the coal pitch molecular structure, and the coal pitch-based surfactant containing hydrophobic aromatic rings and hydrophilic long chains at the same time is obtained. A central multi-aromatic ring structure of the coal pitch-based surfactant is highly similar to a surface structure of Shenhua coal, the central multi-aromatic ring structure and the surface structure of the Shenhua coal have relatively strong pi-pi action and hydrophobic action and are high in adsorption fastness, meanwhile, long hydrophilic chains grafted at the edge can effectively provide steric hindrance, a physical barrier is formed between adjacent coal particles, the coal particles are effectively prevented from being gathered, and the coal pitch-based surfactant has a good application prospect. The coal water slurry has relatively low viscosity and good dispersity and stability.

The present application relates to the technical field of fuel cell, and discloses a fuel cell stack, which comprises a gas port end plate, a stack core, a blind end plate, a power supply, a plasma pipeline and a main controller, the gas port end plate, the stack core and the blind end plate are stacked in sequence, a plurality of plasma working cavities are arranged in the gas port end plate and the blind end plate, a plurality of electrodes which are mutually insulated and independently work are arranged on the inner wall of the plasma working cavities, the electrodes are connected with the power supply, a pressure sensor is arranged on the inner wall of the plasma working cavities, a plurality of temperature sensors are arranged on the outer wall of the plasma working cavities, each plasma working cavity is connected with the plasma pipeline, the plasma pipeline is connected with a hydrogen outlet pipeline of the stack through a three-way valve, and the main controller controls the opening of the three-way valve, the opening of a flow controller, and the output voltage and current of the power supply. The present application solves the problem of poor low-temperature performance of single cell at the end plate and improves the hydrogen utilization rate.

This application relates to the field of organic synthetic chemistry, specifically disclosing a method for synthesizing o-chlorobenzylamine. The method uses o-chlorobenzyl, liquid ammonia, and liquid alkali as raw materials. The preparation process mainly includes amination reaction, liquid ammonia recovery, alkali treatment for deamination, and product purification steps. Specifically, in a high-pressure reactor, liquid ammonia is used as the reaction medium, reacting with o-chlorobenzyl under low temperature and specific pressure conditions. After the reaction, the liquid ammonia is distilled off and recovered for recycling. Then, the ammonia is dissolved in water, released with alkali, and residual ammonia is removed under negative pressure. Finally, the organic phase is separated by static layering, followed by dehydration and filtration to obtain a high-purity o-chlorobenzylamine product. This method significantly suppresses side reactions by constructing a solvent-free system and synergistically controlling the reaction temperature, material ratio, and post-treatment parameters, thereby achieving highly selective synthesis. The entire process has the advantages of simple operation, environmental friendliness, high resource utilization, and ease of industrial implementation.

The invention provides a preparation device and process of a plastic film material, and belongs to the technical field of film material preparation, the preparation device comprises a workbench, an extrusion pipe, a pretreatment hopper, a feeding pipe, a plastic extrusion screw, a conical part, a driving mechanism, a reciprocating mechanism and a movable valve mechanism, the extrusion pipe is fixedly connected to the upper side of the workbench through a fixing frame; the pretreatment hopper is fixedly connected to the upper side of the extrusion pipe; the feeding pipe is fixedly connected to the surface of the pretreatment hopper, and the surface of the feeding pipe is fixedly connected with a feeding hopper for adding raw materials. The plastic extrusion screw is rotationally connected into the extrusion pipe, one end of the plastic extrusion screw is fixedly connected with a straight rod, and the straight rod slidably penetrates through the extrusion pipe and extends outwards; the conical part is fixedly connected to the other end of the extrusion tube; automatic quantitative conveying of raw materials is achieved, design can be conducted according to needs, the conveying amount of the materials can be accurately measured and controlled, and the stability and consistency of the production process are guaranteed.

This invention belongs to the field of functional materials and gas sensing, specifically disclosing a method for preparing a bismuth ferrite gas sensor and its application. The method employs gradient annealing, placing the bismuth ferrite sample in a series of atmospheres with continuously increasing oxygen partial pressures, ranging from zero oxygen partial pressure to 100% oxygen partial pressure. The oxygen vacancy concentration, ferroelectric domain order, and gas-sensing performance of the sample after annealing are measured, establishing a correlation between oxygen partial pressure, oxygen vacancy concentration, ferroelectric domain order, and gas-sensing performance, thereby improving the gas-sensing properties of the material. This invention also provides the application of this method in the preparation of bismuth ferrite gas sensors. The above method can maximize the sensor's sensitivity.

The invention relates to the technical field of preparation methods of anti-aging regenerated gloves, in particular to an anti-aging regenerated glove and a preparation method thereof. The technical problem is as follows: when the preparation method of the anti-aging regenerated gloves is used, the traditional method focuses on selecting raw materials with anti-aging performance and preparing the gloves through simple steps of mixing, processing and forming and the like, but deep treatment and modification of the raw materials are possibly lacked; according to the technical scheme, the preparation method of the anti-aging regenerated glove comprises a raw material mixing and plastifying method. Compared with the traditional preparation method of the anti-aging regenerated gloves, the preparation method disclosed by the invention focuses on selecting raw materials with anti-aging performance and preparing the gloves through simple steps such as mixing, processing and forming, but deep treatment and modification on the raw materials are possibly lacked; according to the preparation method of the anti-aging regenerated gloves, additives such as the anti-aging agent and the ultraviolet light absorber are added, and plastication treatment is performed, so that the additives such as the anti-aging agent are uniformly distributed in the material.

The present invention discloses a method for preparing a nylon 66 material, comprising the following steps: (1) placing modified polypropylene fiber, polytetrafluoroethylene, an additive and nylon 66 resin in a high-speed mixer and mixing them evenly to obtain a mixed material; (2) mixing the mixed material mixed in step (1) and a dispersant again and placing them in a twin-screw extruder for extrusion granulation to obtain a nylon 66 material. The method adds modified polypropylene fiber, polytetrafluoroethylene and an additive, and through reasonable compounding, the prepared nylon 66 material has good tensile properties, thermal stability and acid and alkali resistance, and is very suitable for the field of chemical equipment.

The utility model discloses a kind of for chemical resin coating's circulating heating device, including circulating heating cylinder, the top inner wall of circulating heating cylinder and bottom inner wall are respectively fixed with first hollow ring and second hollow ring, hollow cavity heating tube is equipped between the first hollow ring and second hollow ring, the bottom outer wall of the first hollow ring and the top outer wall of second hollow ring are respectively communicated with material guide pipe by opening, another end of material guide pipe is respectively communicated with the top and bottom of hollow cavity heating tube.This utility model is equipped with spiral distribution board in hollow cavity heating tube, and inner cavity is divided into equal-interval distribution spiral heating channel, so that coating can flow according to spiral path when passing, increase the flow distance of coating, and inside and outside of hollow cavity heating tube are contacted with heated water, inner wall and outer wall of hollow cavity heating tube are heated simultaneously, reduce the difficulty of heat import coating, it is favorable to improve the heating efficiency of coating.

The utility model relates to the technical field of polycarboxylate superplasticizer preparation, and discloses a polycarboxylate superplasticizer feeding device which comprises a dosing barrel, the top of the dosing barrel is connected with a barrel cover, the top of the barrel cover is fixedly connected with a connecting column and a feeding pipe, one end of the connecting column is fixedly connected with a supporting frame, and the inner wall of the supporting frame is fixedly connected with a motor. An output shaft of the motor penetrates through the barrel cover and is fixedly connected with a connecting rod I; compared with the prior art, the feeding device has the advantages that scraps in a raw material bag, sediments or insoluble substances in raw materials and other impurities cannot be brought in in the feeding process, the blocking phenomenon in the filtering process is reduced, and the feeding device can operate continuously and efficiently; the polycarboxylate superplasticizer in the dosing barrel is fully mixed with other concrete raw materials; corrosion and abrasion of the residues to the inner wall of the feeding device are reduced, the service life of the feeding device for the polycarboxylate superplasticizer is prolonged, and the maintenance cost is reduced.

The invention relates to the technical field of computer application, in particular to a video cutting method and device and electronic equipment. According to the method, a key frame of a to-be-clipped video is obtained, the to-be-clipped video is divided into a first clipped segment and a second clipped segment based on the key frame, so that the key frame becomes a first frame of the second clipped segment, then the first clipped segment is recoded to obtain a first video, and the first video is clipped according to the first video. And copying the second clipping clip to obtain a second video, and splicing the first video and the second video to obtain a clipped video. In the process, the part needing to be recoded is very short, the time consumption of the whole method is very short, the video cutting efficiency is very high, in addition, the first frame of the video cut by the method is certainly an I frame, the compatibility to all players is relatively good, and the display duration in the players can be ensured to be accurate.

The invention discloses a multi-element nitroalloy steel rolling process, and relates to the technical field of metal material processing, the rolling process comprises the following components: raw material preparation: a multi-element nitroalloy with a specific proportion is selected as a raw material, the alloy comprises the following components in percentage by mass: 20-37% of Si, 10-22% of N, 8-21% of Ti, 4-9% of Cr, 0.5-3% of B, less than or equal to 1% of V, less than or equal to 1% of Nb, less than or equal to 0.15% of S and less than or equal to 0.15% of P; by integrating advanced temperature control equipment and an intelligent monitoring system, strict control over temperature fluctuation in the rolling process is achieved, the temperature fluctuation range is strictly limited within + / -50 DEG C, and the stability and uniformity of steel rolling are remarkably improved through the innovative design; the problems of uneven internal structure and performance difference of the steel caused by temperature fluctuation are effectively avoided, the continuity and the consistency of the steel in the rolling process are guaranteed through near-constant-temperature rolling, and the yield and the quality stability of the steel are greatly improved.