63results about How to "Overcoming inefficiency" patented technology

The invention discloses a method for combination of a multichannel MAC (Media Access Control) protocol and TDMA (Time Division Media Access) in IOV (Internet of Vehicles), which overcomes the problems of low time slot utilization rate of a control channel CCH and a service channel SCH and high expense of channels in the prior art. The specific thought of the method is as follows: firstly , setting channel initialization; then, by a roadside unit RSU, negotiating time slot with a node, updating the time slot length of the control channel CCH based on a feedback condition of the node, and maintaining time slot distribution of two channel lists; and finally switching to the service channel SCH for data transmission. According to the method for combination of the multichannel MAC protocol and the TDMA in the IOV, as the roadside unit RSU controls the time slot length of the control channel CCH and the time slot distribution, the problems of low utilization rate of the channel and high channel expense under the condition of a varying vehicle density can be avoided efficiently, the throughput of the channel is increased , and the channel expense is reduced.

The invention provides a magnetic core assembling machine and belongs to the magnetic core assembling equipment technical field. The magnetic core assembling machine solves the technical problems in the prior art of adopting manual assembling and the like. The magnetic core assembling machine comprises a first machine table and a second machine table. A lower magnetic core installing unit capable of assembling a lower magnetic core on a work fixture, a glue dotting unit capable of dripping and coating glue on the lower magnetic core and a framework installing unit capable of assembling a framework on the lower magnetic core are sequentially arranged on the first machine table. An upper magnetic core installing unit capable of assembling an upper magnetic core on the framework, a lower pushing grinding unit capable of conducting lower pushing and grinding on a magnetic core assembling unit and a material discharging unit capable of taking down a magnetic core end product from the work fixture are sequentially arranged on the second machine table. The magnetic core assembling machine can assemble the lower magnetic core, the framework and the upper magnetic core into the magnetic core end product. Automation is achieved in the process of assembling, not only problem of low work efficiency caused by manual assembling is solved, but also assembling quality is standard and uniform.

The invention discloses an extraction and separation method of anthocyanin, and belongs to the technical field of natural pigment extraction and separation. According to the method, the drying mode isimproved, the anthocyanin in pomace is extracted with a deep-crystal eutectic solvent by combining microwave extraction and ultrasonic assistance, the effective and systematic anthocyanin extraction,separation and purification process is established, and the defects of low efficiency, residual organic solvent in product and low safety of the traditional natural anthocyanin extraction method areovercome; and the new way is provided for high-valued utilization of pomace waste, the pomace is turned into wealth, the by-product treatment burden of fruit juice processing enterprises is relieved,and great economic benefits, social benefits and ecological benefits are achieved.

The invention discloses a citrus cyst foreign matter removing system based on machine vision guidance. The citrus cyst foreign matter removing system comprises a mechanical system, a vision measurement guidance system and a control system. The mechanical system comprises a frame, a delivery device and a removing device. The removing device comprises a horizontal movement platform and a foreign matter sucking device arranged at the upper end of the horizontal movement platform. The foreign matter sucking device comprises a sucking nozzle, a vacuum generator and a telescopic air cylinder which are connected in sequence. The sucking nozzle is connected with a foreign matter collecting box through the vacuum generator. The vision measurement guidance system comprises a light source, a camera unit and an image data acquisition card. The camera unit comprises a preprocessing camera arranged in a pre-detection area and a guidance camera arranged in a detecting and removing area. The control system comprises an industrial personal computer and a programmable logic controller (PLC). The control system controls starting of the delivery device, the light source and the camera unit, movement of the horizontal movement platform, and the action of the foreign matter sucking device. Compared with manual detection, the citrus cyst foreign matter removing system is easy to operate, low in omission ratio and high in efficiency and precision and has great market value.

The invention discloses a data processing method and a device, and relates to the technical field of computers. The method includes the following specific steps of acquiring a data set to be processedand determining dimension combinations of the data set, performing processing on the data set based on the dimension combinations to obtain a corresponding dimension table set, wherein each dimensiontable in the dimension table set is corresponding to a dimension combination, and carrying out multi-dimensional query based on the dimension table set. The data processing method and the device canachieve efficient multi-dimensional query and analysis of the data.

The invention discloses a project engineering initialization method, a terminal device and a storage medium, suitable for initializing data in project development. The method provided by the inventioncomprises the steps of: compiling a script, and executing the script to create a basic engineering file; pre-defining a file template, reading a text content after receiving the text content input bya user, and converting the file template into a user-defined template file according to the text content; and, generating index files for the basic engineering file and the user-defined template file, automatically generating a script warehouse according to the index files, and initializing the script warehouse. According to the project engineering initialization method, the terminal device and the storage medium disclosed by the invention, the problem that the working efficiency is low due to fussy operations of the traditional engineering file initialization, such as adding and consolidation, is overcome; the project initialization efficiency is increased; therefore, the work process is accelerated; and unnecessary resource consumption is reduced.

The invention discloses a mangiferin single-site derivative, which is as shown in a formula I-I, wherein definition of R6 is specified in the specification. In addition, the invention further discloses a preparation method of the derivative. The derivative is capable of inhibiting diabete-related enzymes such as PTP1B and alpha-glycosidase, so as to play a role of reducing blood sugar; meanwhile, a mangiferin compound has wide physiological activity; and side effects on a human body caused by traditional hypoglycemic drugs can be avoided.

The invention provides a millimeter wave free oscillation source automatic test system and method. The system at least comprises a millimeter wave free oscillation source to be tested, a direct current voltage source connected with the millimeter wave free oscillation source to be tested, a directional coupler with an input port connected onto the millimeter wave free oscillation source to be measured, an attenuator connected onto a coupling output port of the directional coupler, a mixer connected with the attenuator, a frequency analyzer connected onto the mixer, a power sensor connected onto a direct through output port of the directional coupler and a power meter connected onto the power sensor. Synchronous test of multiple performance parameters of the millimeter wave free oscillation source can be achieved through single connection, test data can be stored synchronously to facilitate follow-up processing, and automatic test of output frequency, output power and direct current power consumption of the millimeter wave free oscillation source in full band can be achieved.

The invention provides a preparation method of a tungstate photocatalytic material and the research on the isopropanol photocatalytic degradation property of the tungstate photocatalytic material. The preparation method of the NaBi(WO4)2 photocatalytic material comprises the following steps: synthesizing NaBi(WO4)2 powder by adopting a high-temperature solid phase reaction method, wherein chemical raw materials are analytically pure and are not further purified; mixing Bi2O3, Na2CO3 and WO3 powder in a stoichiometric ratio, adding alcohol, then grinding for half an hour, carrying out preheating treatment at the temperature of 650 DEG C for 12h, grinding again and calcining for 10 hours at the temperature of 800 DEG C. The research on the isopropanol degradation property of the NaBi(WO4)2 proves that the production rate of acetone exceeds the production rate of the acetone when a catalyst is WO3, and the NaBi(WO4)2 shows an excellent isopropanol degradation property.

The invention relates to an intelligent insertion plate, a rehabilitation training system and a rehabilitation interconnection training system. The intelligent insertion plate comprises a shell, a plurality of induction capacitor modules and a processor; a plurality of blind holes are formed in the shell; the induction capacitor modules correspond to the blind holes one to one; the processor is electrically connected with the induction capacitor modules, and when insertion parts are inserted into the blind holes and the corresponding induction capacitor modules are triggered, the processor acquires state information of the corresponding induction capacitor modules and generates training data according to the state information. According to the intelligent insertion plate, collection of thetraining data of a trainer in the rehabilitation training process is achieved, the trainer can better judge the training condition of the trainer according to the collected training data and give more specific training task information, the problem is solved that traditional training is completely dependent on the trainer so that the efficiency can be low, and the training efficiency is improved.

The invention relates to the technical field of solid waste classification, in particular to an online solid waste identification system and identification method based on hyperspectral detection. Theidentification system comprises a material conveying device, a type identification device, and a sorting device. The material conveying device transmits materials to the type identification device tocarry out data collection and then the data are transmitted to the sorting device for material sorting. The material conveying device includes a first conveyor belt and a second conveyor belt; and the materials are conveyed by the first conveyor belt and then fall on the second conveyor belt, wherein the first conveyor belt and the second conveyor belt have the opposite running directions. According to the provided system, the materials can be dispersed effectively; a problem of difficult type identification caused by material stacking is solved; and a problem of low efficiency caused by artificial dispersion is solved. With the identification method, two-dimensional images and spectral curves of solid wastes can be collected in an online manner; the solid wastes can be classified accurately and effectively; and the online solid waste identification system and identification method have important practical application values.

The invention discloses a steel wire rope surface damage intelligent monitoring method and system based on LBP features, and the method comprises the steps: firstly, building a healthy, broken and worn image data set of the surface of a steel wire rope, determining parameters of a filter, an LBP operator, a PCA dimension reduction dimension, a machine learning algorithm, and parameters of the machine learning algorithm, and obtaining an integrated algorithm model. The invention also discloses a steel wire rope surface damage intelligent monitoring system based on the LBP characteristics, and the system comprises an offline training and testing module which is used for obtaining a trained integrated algorithm model; an on-site image acquisition module used for acquiring on-site images in real time and acquiring position information of the images; and an on-line monitoring module used for carrying an integrated algorithm model to process the acquired on-site images in real time so as todiagnose the surface state of the steel wire rope in real time. According to the technical scheme, the surface damage of the steel wire rope can be efficiently detected and diagnosed.

The invention relates to the field of air conditioners, in particular to an air conditioner. The air conditioner comprises a middle frame structure, wherein the middle frame structure is provided with a panel; the panel is connected with the middle frame structure through a telescopic connecting device; the panel is provided with an opening device stretching forwards and a closing device covering the middle frame structure after being taken back; a gap formed between the panel and the middle frame structure when the panel is opened is used as an air inlet; an air outlet is also formed in the side edge of the middle frame structure; an air guide baffle structure which is capable of prolonging an air outlet air duct is arranged between the air inlet and the air outlet. According to the air conditioner disclosed by the invention, the air outlet air duct can be prolonged through the air guide baffle structure, so that air outlet airflow is separated from air inlet airflow, cold and hot gases are not easily mixed, and the defect of low working efficiency caused by mixing of the cold and hot gases in an air inlet of a traditional wall-mounted air conditioner is overcome; meanwhile, the air guide baffle structure is rotationally arranged on the air outlet according to the shape of the air outlet, the design is ingenious, and the appearance and the shape are attractive.

The invention discloses a preparation method of an alkali metal niobate photocatalytic material, and performances of the alkali metal niobate photocatalytic material in photocatalytic reduction of CO2. The preparation method of the KNbO3 photocatalytic material comprises following steps: Nb2O5, Na2CO3, and K2CO3 powder are mixed according to a stoichiometric ratio so as to obtain a mixture; the mixture is grinded for 0.5h, is preheated for 4h at a temperature of 800 DEG C, is grinded for a second time, and is calcined for 5h at a temperature of 900 DEG C; loading of precious metal Pt is realized via photodeposition; KNbO3 powder and chloroplatinic acid (H2PtCl6*6H2O) are added into a solution containing methanol, the solution is exposure under a 400W high pressure mercury lamp for 1h, and a precipitate is obtained via filtration, is washed with distilled water and ethanol, and is dried for 12h in a drying oven of 70 DEG C. It is found by researches on reducing properties of Pt-KNbO3 on CO2, generating rate of CH4 in reduction of CO2 using Pt-KNbO3 is higher than that in reduction of CO2 using Pt-NaNbO3.

The invention discloses a location information modification method and device, wherein the method comprises the following steps: judging whether a mobile terminal is in a predetermined permission, wherein the predetermined permission is used for allowing to modify the location information of the mobile terminal; under the situation that the mobile terminal is in the predetermined permission, acquiring first location information of the mobile terminal; modifying the location information of the mobile terminal from the first location information to the second location information, wherein the first location information is used for indicating the stored first geographical location of the mobile terminal, and the second location information is used for indicating a second geographic location set for the mobile terminal. The method and the device in the invention solve the technical problem that the efficiency of modifying the geographical location information of the mobile terminal is lowin the prior art.

The invention provides a preparation method for a double-supported columbate material. The preparation method for the Pt and RuO2 double-supported photocatalytic material includes: mixing Nb2O5, Na2CO3 and K2CO3 according to a KNbO3 stoichiometric ratio, grinding the mixture, then conducting preheating treatment at 800DEG C for 4h, performing grinding again, then conducting calcination at 900DEG C for 5h to obtain KNbO3, putting 2g of KNbO3 and a proper amount of Ru3(CO)12 tetrahydrofuran solution into a ceramic evaporating dish, carrying out magnetic stirring at room temperature for 4h, then putting the mixture into an oven to conduct drying (60DEG C), then carrying out roasting at 350DEG C for 1h to form an RuO2 supported photocatalytic material, and then adding 1g of KNbO3 into the formed RuO2 supported photocatalytic material, adding 100mL of distilled water, 40mL of methanol and a certain amount of columbate solution, conducting magnetic stirring on the formed solution to form a suspension solution, employing a 300W xenon lamp to perform illumination for 8h to reduce Pt and deposit it on the photocatalyst surface, at the end of the reaction, filtering the reaction solution, and conducting washing with water and alcohol repeatedly, and then placing the material into a 60DEG C blast drying oven to conduct drying for 12h, thus forming the double-supported photocatalytic material.

The invention provides a method for installing and leveling assembly type house PC prefabricated parts. The method includes the following steps that (1) a lower-layer prefabricated part is installed, and more than two bolt sleeves are embedded in the top surface of the lower-layer prefabricated part; (2) adjusting bolts are screwed into the bolt sleeves, the scale height of the top surface of each adjusting bolt is adjusted to be the same as the preset scale height of the bottom surface of an upper-layer prefabricated part to be installed through rotation of the adjusting bolts; (3) the upper-layer prefabricated part is placed on the top surfaces of the adjusting bolts of the lower-layer prefabricated part; (4) installation of the upper-layer prefabricated part is completed, then the adjusting bolts are unscrewed, and a load of the upper-layer prefabricated part to the lower-layer prefabricated part is unloaded. In the technical scheme, continuous adjustment of the scale height of the upper-layer prefabricated part can be achieved through rotation of screws, and therefore the method has the advantages that the installation efficiency is high, and scale height control error is small.

The invention discloses liquid injection equipment used for a carbon fiber storage battery. The liquid injection equipment comprises a vacuum tank, a side tank group, an intermediate tank, a diaphragmpump, a liquid storage tank, waste liquid tanks, a vacuum pump and a controller, wherein the vacuum pump and the intermediate tank are communicated and connected and form a vacuumizing mechanism; thediaphragm pump and the liquid storage tank are communicated and connected and form a liquid supply mechanism; the side tank group and the waste liquid tank group are mounted on a side rack respectively; the side tank group is communicated and connected with the liquid supply mechanism and a liquid inlet nozzle group on the top of the vacuum tank respectively; the waste liquid tank group is communicated and connected with the vacuumizing mechanism and a liquid drainage nozzle group at the bottom of the vacuum tank respectively; and the vacuum tank is communicated and connected with the vacuumizing mechanism. According to the liquid injection equipment, the absorption difficulty of an AGM diaphragm for an electrolyte is reduced, the filling efficiency is improved, the degree of automation is improved, and the artificial processing cost is reduced.

The invention discloses a forming method of an ePTFE enhanced proton exchange membrane, which relates to the field of membrane material preparation. An ePTFE enhanced membrane is prepared by adoptingan electro-deposition method, and the ePTFE enhanced membranes with different thicknesses are prepared by controlling current or voltage and matching with solution components, the infiltration area ofan electrode in a solution, the electrode distance and the deposition time modulation. The defects of a traditional ePTFE enhanced membrane preparation process are overcome, and efficient and rapid membrane forming can be achieved.

The invention discloses a stroboscopic theory based needle selector detecting system and method. The stroboscopic theory based needle selector detecting system comprises an STM32 controlling unit, a By means of technology of Complex Programmable Logic Dev

The invention discloses a unified dynamic metadata processing method for a big data heterogeneous model. The method comprises the following steps: submitting the operation task to a unified dynamic metadata processing system; calling a data form analysis module to intercept, analyze and position the data of the original operation task; for the intercepted separated static data, enabling the unified dynamic metadata processing system to scan the AST so as to analyze core data related to the operation; for the intercepted separated dynamic data, analyzing and obtaining the dynamic runtime data model instances by calling a runtime reflection mechanism module; meanwhile, the REPL-based interactive parser and the runtime reflection mechanism module work cooperatively, and preparation is made for further utilizing the mechanism to carry out calculation operation reconstruction through the combined action of the reflection mechanism modules. The method has the advantages of being good in universality and high in adaptability, and the problem that efficient and convenient interoperation cannot be achieved between heterogeneous models in the prior art is effectively solved.

The present invention discloses a server system based on multiple web servers. By using a plurality of web servers, a load balancing strategy is executed to the server system, thereby improving the data operation efficiency greatly, and reducing the data response time.

The invention discloses a label printing method and device, and relates to the technical field of computers. A specific embodiment of the method comprises the steps of analyzing received order information, determining the types of order labels according to texts obtained through analysis, automatically selecting a printer used for printing the order labels, driving the operation of printing the labels, and when a printer fault is detected, automatically switching to a standby printer to execute the printing operation. Therefore, the problem that the label printing efficiency is low due to the fact that printing paper needs to be manually replaced when different types of labels are printed is solved, the problem that label printing is paused due to the fact that the printer is abnormal is solved, and the probability that the types of the labels are not matched with the printing paper due to the fact that the printing paper is manually replaced is reduced.

The invention provides an automobile gateway firewall message health check method and device and an automobile, and the method comprises the following steps: receiving a CAN message, and generating aninterrupt signal according to the CAN message; acquiring a mailbox index number of an interrupted mailbox according to the interrupt signal; acquiring position information, length information and a preset standard signal value corresponding to each signal of the CAN message according to the mailbox index number; acquiring a signal value of each signal of the CAN message according to the positioninformation and the length information of each signal; carrying out comparative analysis on each signal value and a corresponding preset standard signal value; and determining whether the signal valueof the CAN message is valid or invalid according to the comparative analysis result. The device is used for implementing the method, and the automobile comprises the device. According to the method disclosed in the invention, the performance requirement of the CAN message health check function on the gateway chip is greatly reduced, and the protection capability of the gateway firewall on the CANbus is improved.

The present invention provides a hybrid-polarity InGaN solar cell structure, and the structure comprises an n-type GaN layer, an i-region light absorbing layer, a p-type GaN layer, and metal electrodes which are respectively plated on the surfaces of the n-type GaN layer and the p-type GaN layer. The i-region light absorbing layer is located on the n-type GaN layer, and the p-type GaN layer is located on the i-region light absorbing layer. The polarity of the n-type GaN layer and the polarity of the i-region light absorbing layer are Ga plane polarity, and the polarity of the p-type GaN layeris N plane polarity. The sunlight irradiates the structure from the upper surface. The structure enables a polarization effect not to hinder the separation and transportation of photo-induced carriers, so as to obtain a high-efficiency InGaN solar cell.