35results about How to "High cost of improvement" patented technology

A compound veterinary medicine in the form of powder for replenishing qi, consolidating superficies, expelling wind and relieving stuffy nose is prepared from 10 Chinese-medicinal materials including asarum herb, scutellaria root, astragalus root, cinnamon twig, etc. Its preparing process is also disclosed.

The invention relates to a tree-shaped rubrene crystal thin film preparation method adopting a high boiling point solvent to carry out regulation and control. Namely, growth of rubrene tree-shaped crystals is regulated and controlled by a DMF (Dimethyl Formamide) solvent, the DMF solvent with a volume ratio of 30 percent to 50 percent is added on the basis of an original chloroform solvent, a volatile speed is retarded by utilizing a solution dispensing method, the DMF solvent has a high boiling point, and the characteristic of further retarding the volatile speed enables rubrene molecules to have a sufficient driving force to sequentially complete the crystal growth process from a granular shape to a ribbon shape to a tree shape, thereby fulfilling the aim of regulating and controlling preparation of the tree-shaped rubrene crystals by the high boiling point solvent.

The invention provides a printing method and device, electronic equipment and a computer readable storage medium, and relates to the technical field of printing. The method comprises the steps of obtaining to-be-printed data, and converting the to-be-printed data into a universal printing file; converting the general printing file into a picture file to be stored in a storage module; and searchingthe target picture file from the storage module and printing the target picture file. In the implementation process, the universal printing file has universality, so that the applicability of the printing method can be improved by converting the to-be-printed data into the universal printing file after the to-be-printed data is obtained, then the universal printing file is converted into the picture file capable of containing different data contents to be stored, and the integrity of the to-be-printed data is guaranteed; and finally, the target picture file needing to be printed by the user can be searched from the storage module for printing.

The invention provides a fire extinguishing device and a power supply device and relates to the technical field of automatic fire extinguishing. The fire extinguishing device comprises a shell structure, a fire extinguishing assembly, a closed structure and a triggering assembly. The shell structure is provided with a containing space and an opening communicating with the containing space. The fire extinguishing assembly is arranged in the containing space. The closed structure is matched with the opening to be arranged, and used for obstructing that the fire extinguishing assembly moves to the external space of the shell structure through the opening. The triggering assembly is connected with the closed structure, and used for being fused under an environment temperature larger than a preset value, so that the closed structure is driven to move relative to the opening, and at least part of the structure of the fire extinguishing assembly moves to the external space through the opening, and therefore combustion of the external space is obstructed. Due to the above arrangement, the problem that an existing fire extinguishing device is high in cost can be solved.

The invention provides a pollution detection method and system, and relates to the technical field of pollution detection. According to the method, multiple frames of pollution detection images obtained by carrying out image acquisition on a target monitoring area by pollution detection equipment are obtained, and the pollution detection equipment is arranged in the target monitoring area; the multiple frames of pollution detection images are screened based on a preset image screening rule to obtain at least one frame of target pollution detection image corresponding to the multiple frames of pollution detection images; the at least one frame of target pollution detection image is recognized based on a pollution detection model obtained through pre-training, a pollution detection result that whether air pollution exists in the target monitoring area or not is obtained, and the pollution detection model is a neural network model. Based on the method, the problem of high cost of pollution detection in the prior art can be improved.

The invention relates to a map data updating method, device and system based on mass production vehicles. The map data updating method comprises the following steps of: acquiring collected data of a mass production vehicle; identifying a to-be-updated object based on the collected data; supplementing and correcting a driving track of the mass production vehicle based on the collected data, and determining the geographic position of the to-be-updated object; and updating a map database based on the to-be-updated object, a geographic position of the to-be-updated object and a corresponding object in the map database. According to the map data updating method, the device and the system, the mass production vehicle is used for collecting data instead of a professional collecting vehicle, and the problem that in the prior art, the map database updating cost is high can be solved; meanwhile, manual participation is not needed in the updating operation process, and the problems that in the prior art, map database updating is low in automation degree and poor in accuracy can be solved.

Embodiments of the invention provide a thermal management system and an electric hydraulic excavator, belonging to the field of thermal management systems. The invention aims to solve the problem thatcost is high in the prior art since an existing power battery is heated by an electric heater. The thermal management system comprises: a hydraulic cylinder heat dissipation system, which comprises afirst loop and a hydraulic cylinder arranged on the first loop; a battery heating system, which comprises a second loop and a battery pack arranged on the second loop; and a first heat exchanger, which is arranged on the first loop and the second loop at the same time. Through the first heat exchanger, working heat of hydraulic oil is used for heating the battery pack, and heat energy generated by a hydraulic system in the working process is fully utilized.

The invention provides a bottom-up clock synchronization device and system, and relates to the technical field of communication. The bottom-to-top clock synchronization device includes a baseband processing circuit, a clock circuit, a logic circuit, and a processing circuit. The baseband processing circuit can receive an air interface synchronization signal sent by a base station and can process the air interface synchronization signal to obtain a middle period pulse and a starting point of a wireless frame period. The clock circuit carries out closed-loop negative feedback control processing on the processed signal of the middle-period pulse to obtain a short-period pulse. The logic circuit performs timing output according to the end periodic pulse, and meanwhile, the processing circuit sends a time information request to a server according to a starting point of a wireless frame period obtained by processing of the baseband processing circuit, and then calculates the time from the next pulse per second to a rising edge after a result returned by the server is obtained; and therefore, the logic circuit can finally determine accurate clock information.

The invention discloses a base plate processing method. The base plate processing method comprises the following steps of: (1) punching to form a substrate; (2) punching the substrate to form a structural hole; (3) manufacturing a screen printing halftone according to a to-be-blanked position of the substrate; (4) performing screen printing on the substrate in which the structural hole is formed in a punching manner by using paint; and (5) bending the screen-printed substrate to form a connecting structure so as to form the base plate. The base plate processing method disclosed by the invention has the advantages of improving the work efficiency, lowering the cost and preventing dust particles from polluting functional elements.

A dynamic data mining method and system based on risk control technology provided by the present invention involves the field of data mining technology.In the present invention, the collection of risk control data sets are collected, and the risk control data set includes multiple risk control sample data.According to the risk control sample data included in each risk control sample data, multiple risk control sample data included in the risk control data sets included to form a multi -risk control data set of risk control data sets.Risk control data sets include multiple risk control sample data.For each risk control data set in multiple risk control data sets, according to the risk control label information corresponding to each risk control sample data included in the collection data of the risk control data,Determine the processing to output the risk coefficient of the setting of the risk control data.Based on the above methods, the problem of higher cost management in existing technology can be improved.

The invention provides a visual interactive interface control method, system and device and a storage medium, and particularly relates to the field of interactive control. A control method of a visual interactive interface comprises the following steps: training a neural network according to hand information and a user sample image marked by a gesture type to obtain a gesture recognition model; acquiring a user image; inputting the user image into a gesture recognition model to recognize whether the user image comprises hand information; if yes, recognizing a gesture type according to the hand information, and generating a control instruction according to the gesture type; and controlling the interactive interface according to the control instruction. The problem that in the prior art, the use cost of control action recognition is high is solved.

The invention relates to a method for measuring and calculating the influence of angle change of a variable stator blade of a gas compressor on the flow. The method comprises the step A: measuring andcalculating the change of the air flow in the gas compressor according to the change of the projected area on the cross section of the gas compressor before and after the adjustment angle change of asingle-stage variable stator blade. The problems of high cost, long cycle, high risk, and limited test data that exist in the related technology by testing the flow of the gas compressor under different stator vane angles are improved.

A compound veterinary medicine in the form of powder for treating cold, clearing heat and removing toxin is prepared from isatis leaf, isatis root, forsythia fruit and bistort rhizome. Its preparing process is also disclosed.

The invention provides a chassis and an AGV trolley, and relates to the field of mobile machinery. The chassis comprises a chassis body, a first supporting leg and a first driving mechanism. The first supporting leg comprises a front arm and a rear arm, the front arm is connected to the chassis body, and the rear arm is connected to the front arm. The first driving mechanism is used for driving the first supporting leg to be unfolded or folded. The first driving mechanism can drive the rear arm to move relative to the front arm while driving the front arm to move relative to the chassis body. The AGV trolley comprises the chassis. The chassis comprises the first supporting leg, the first driving mechanism acts to achieve unfolding or folding of the front arm and the rear arm, the first supporting leg is only controlled by the first driving mechanism, and cost is low. According to the AGV trolley, the chassis is adopted, the supporting legs are convenient to unfold and fold, and the cost is low.

The invention relates to the field of hard coatings, and particularly discloses a methanol decomposition heating catalyst and a preparation method thereof. The methanol decomposition heating catalystcomprises a support carrier and an outer coating, the support carrier is a cordierite honeycomb ceramic carrier, and noble metal particles are uniformly dispersed on the outer coating. Cordierite honeycomb ceramic is selected as a basic supporting carrier, the adsorption performance of a cordierite ceramic material is remarkably improved, then the surface of the carrier is coated with an outer coating, the structural strength of the material is improved, finally, methanol can be effectively catalyzed and decomposed into carbon dioxide and water through the loaded noble metal particles. Throughthe porous structure, decomposed carbon dioxide and water can be effectively desorbed, the service life of the noble metal catalyst for methanol decomposition is prolonged, and the durability of thecatalyst material is improved.