32results about How to "Speed up aggregation" patented technology

The invention relates to a blockchain network, an object transaction method, a device and node equipment, wherein the object transaction method comprises the steps of transmitting a transaction request of a preset object to authorized nodes in a blockchain to which a preset object transaction is related; respectively receiving transaction verification information which is obtained by each authorized node according to the received transaction request; acquiring a verification result according to the transaction verification information; and transmitting the verification result to each authorized node, wherein the verification result is used for confirming or canceling transaction of the preset object by each authorized node. According to the blockchain network, different objects correspond with different blockchains; and in a transaction confirmation process, through co-verification of the nodes in multiple blockchains, the verification result is obtained, thereby ensuring high transaction safety, reducing the length of a single blockchain, reducing data volume of each node, improving searching efficiency of the blockchain, improving gathering efficiency and statistics efficiency of single kind of objects and improving concurrence.

The invention provides an integrated vehicle management device for vehicle oiling management, and an oiling management method thereof, which are used for realizing oil consumption and oiling management of a vehicle and can call the running data content in the running process of the vehicle in real time. The integrated vehicle management device for vehicle oiling management comprises a central control board, and a card reader, an oil quantity sensor and a GPRS (General Packet Radio Service)/CDMA (Code Division Multiple Access)/3G (The 3rd Generation Telecommunication) module which are all connected with the central control board. The oiling management method comprises the following steps that: a special wireless network is mounted at a vehicle parking place, a central control main board links with the wireless network, after the end of running each day, the central control main board senses the special wireless network, packages the intraday oiling data and running data of the vehicle and transmits the packaged data to a computer at the vehicle parking place, and the computer transmits the data to a background server. According to the invention, functions of oil consumption statistics, oiling information summarization and management are added; and the function of starting a video recording and sound recording process when the vehicle vibrates abnormally and transmitting accident video records to the background server in time is also added.

The invention provides an analytic algorithm for a geographic grid in the telecommunication field. A geographic area is divided into multiple layers of independent unit grids according to the rule of space and business relationship, so that the grids become the important carriers for associating the geographic information with network management information. The network information, such as complaint, warning, work order, resources, performance, announcement and the like, can be associated with the unit grids. Based on the grid base data, an upper-level application system can combine the network information arbitrarily to derive more valuable information for the network construction. From the whole angle of the system application, the invention achieves the association algorithm of the geographic grids and the business information. The analytic method has the beneficial effects that the network resource information with the space attribute can show the value from the angle of space through the reasonable geographic association.

The invention relates to a method for treating cyanogen-containing copper-containing electroplating wastewater by electrolysis and recycling copper. Compared with the existing method for treating cyanogen-containing copper-containing electroplating wastewater, the method disclosed by the invention has the advantages of being simple in process, free of secondary pollution, high in removal rate, capable of recycling deposited metal copper and recycling effluent. The method for treating cyanogen-containing copper-containing electroplating wastewater by electrolysis comprises the following steps: adding sodium hydroxide in the cyanogen-containing copper-containing electroplating wastewater to regulate concentration of OH<-> in wastewater, filtering to obtain copper hydroxide copper precipitate and filtrate; adding a certain amount of mesoporous granulate active carbon and NaCl by taking the filtrate as electrolyte; applying direct-current power for electrolysis, externally applying electrostatic fields between positive and negative electrodes, wherein electric field direction is from the positive electrode to the negative electrode; recycling the separated-out copper after separating out copper from the negative electrode; ending electrolysis when residual quantity of Cu<2+> and CN<-> in electrolyte is respectively less than 0.5mg/L and 0.1mg/L, and treating the granulate active carbon by hydrochloric acid and then recycling after separating the precipitate.

The invention discloses a buffer layer used in a data aggregation system based on a distributed computing technology. The buffer layer includes a first level cache for storing data collected by an acquisition layer; and a second level cache communicatively connected with the first level cache and used for pulling data, reaching a set threshold value, in the first level cache. The invention also provides a data aggregation system and a data aggregation method based on the distributed computing technology. The invention sets two-level buffer layers between an acquisition layer and a distributedcomputing storage layer, and integrates a distributed computing framework at a writing end of the distributed computing storage layer to realize the parallel pulling and writing of data, which is a fundamental scheme for guiding the construction of a large data center of an intelligent factory. The invention solves the technical problems that the data acquisition of the numerical control equipmentor the system in the prior art is still in a discrete state and cannot form an organic whole and the efficiency problem of the acquisition/storage speed is low.

The invention relates to a method and a device for positioning single-phase ground faults in a star-shaped three-phase ungrounded system. The method includes sequentially injecting abnormal-frequency current signals different from a power grid frequency into a midpoint of a three-phase line when the line is in ground fault, and detecting current signal intensities on two sides of the injection point so as to determine a fault phase; continuing to inject the abnormal-frequency current signals at the end of the fault phase, and indicating that a single-phase fault point is positioned between A and the other end of a fault-phase line if the abnormal-frequency current signals can be detected at the midpoint A of the fault-phase line; acquiring a midpoint B between the A and the other end of the fault-phase line, and indicating that the single-phase ground fault point is positioned between the A and the B if the abnormal-frequency current signals cannot be detected; repeating the above steps until the single-phase ground fault point is positioned within a visual range distance of human eyes. The method is capable of accelerating positioning of single-phase ground fault points effectively and accurate in positioning.

The invention discloses an emergency evacuation scheduling method. The invention relates to the technical field of safety protection, in the prior art, when a fire disaster, an earthquake, a traffic accident, a terrorist activity and other sudden events happen in a construction site, evacuation is performed; evacuation efficiency is low, when a fire disaster, an earthquake, a traffic accident anda terrorist activity happen, safety is ensured. Evacuation can be effectively and safely carried out. The occurrence of emergencies is avoided. People rush to an exit. Therefore, the evacuation speedis low, and a treading event is easy to occur. Furthermore, the communication between the clusters is utilized; people are prevented from losing communication due to the influence of disasters and thelike on communication facilities; people can be gathered and evacuated in a unified mode, personnel order falling and dangers are avoided, the evacuation efficiency is high, cluster head selection iscarried out in the area with high crowd density, the crowd flow is reduced, the gathering speed is indirectly increased, and therefore the evacuation efficiency is improved.

The invention relates to a centrifugal solid-liquid separation device, in particular to a solid-liquid separation device, and provides a device which can treat complicated working conditions, has high efficiency and is easy to control. The solid-liquid separation device comprises an inlet (5), an overflow port (4), a drain outlet (11), a sewage storage chamber (8), and an observation chamber; a bracket (7) arranged in the sewage storage chamber (8) is provided with a self-rotating disk (6); an auxiliary filtration mechanism comprises a first-stage filter sieve (1), a second-stage filter sieve (2) and a third-stage filter sieve (3); and a drain automatic control mechanism comprises a sensor (9), a control unit (12), a control valve (10) and a power supply (13) for supplying power to the control unit (12) and the control valve (10). By the structure, the workload of a cyclone is reduced, the solid-liquid separation device has the capacity of treating complicated working conditions, the change of particle content can be treated by the frequency and duration of opening the drain outlet, the control is simple and the cost is low; and a problem that the particle aggregation velocity in the sewage storage chamber is not predictable is solved and automatic control is realized.

The invention provides a spatio-temporal data storage and indexing method based on HBase, which comprises the following steps of: 1, designing a row key RowKey rule in an HBase, including definition and format of each byte of a RowKey; 2, extracting RowKey from the spatio-temporal data according to the RowKey rule designed in the step 1; 3, writing spatiotemporal data into the HBase according to the designed row key RowKey rule; and step 4, retrieving spatio-temporal data from the HBase according to the RowKey rule. According to the method, the retrieval and aggregation speeds are increased; the HBase is used as a database, GeoHash and time are ingeniously combined in RowKey, and a proper query method is used, so that the speed of space-time query is increased. The HBase is used as a database of spatio-temporal information, the advantages of high reliability, high performance and the like are achieved, horizontal capacity expansion can also be achieved when the clustering capacity is insufficient, scenes under mass data are facilitated, and the advantages of the HBase are brought into full play.

The invention relates to the technical field of project cost, in particular to a project cost modification method and system. The project cost modification method comprises the steps: S10, obtaining aprice change material identification and change price data from a price change message if the price change message is obtained; S20, matching a project material data table from the project file databy using a preset project cost template, wherein the project material data table comprises project material identifiers; S30, performing matching query in the project material data table one by one byusing the price change material identifiers, and marking the project material identifiers which are successfully matched and queried to obtain to-be-changed material identifiers; and S40, acquiring original price data of the to-be-changed material identifier, and changing the original price data according to the changed price data to obtain a price adjustment result. The project cost modificationmethod has the effect of improving the efficiency of modifying the project cost.

The invention relates to an electrically conductive organic polymer coated phenolic resin-based porous carbon composite material. A preparation method for the material comprises the following steps: (1) water-soluble phenolic resin and curing agent are orderly added in an anhydrous alcohol solution to obtain a mixture; after stirring and curing operation, a cured phenolic resin is obtained; (2) phenolic resin microspheres obtained in step (1) are carbonized and calcined in an inert gas atmosphere at a temperature of 850 to 950 DEG C to obtain phenolic resin-based porous carbon; (3) the phenolic resin-based porous carbon obtained in step (2) is added to a 30-60 ml acetone solution, and then a surfactant is added to obtain a mixed solution after ultrasonic dispersion. Electrically conductivepolymer monomers are ultrasonically dispersed in an acetone solution to obtain an electrically conductive polymer monomer acetone solution. The electrically conductive polymer monomer acetone solution is added dropwise to the mixed solution, microwave hydrothermal reaction was performed, and the electrically conductive organic polymer coated phenolic resin-based porous carbon composite material with high specific capacity, specific energy density, and good cycle stability is obtained.

The invention relates to the field of stainless steel, in particular to a stainless steel pipe rolling oil removal device. The technical problem to be solved is to provide the stainless steel pipe rolling oil removal device. The stainless steel pipe rolling oil removal device comprises a supporting frame, a control screen, a motor, an inner wall oil removal mechanism, a transfer mechanism and an outer wall oil removal mechanism, and the control screen is arranged on the left part of the top end of the supporting frame. The stainless steel pipe rolling oil removal device achieves the removal ofrolling oil of a cold rolled stainless steel pipe in time to prevent the rolling oil pollution of stainless steel surface from polluting a cold rolling workshop in the process of discharging, at thesame time, the gathering speed of the rolling oil is accelerated though spiral descent trajectory oil removal, the removal efficiency is improved, and the rolling oil is completely removed; and at thesame time, the rolling oil can be collected and reused to improve the efficiency of resource utilization.

The invention relates to a self-adaptive photoelectric interface device, which is characterized by comprising a PCB arranged in the device and a plurality of communication welding grooves connected with the PCB and arranged on a device shell, one or more communication welding grooves are used for welding a RJ45 slot and a PHY chip so as to realize input and output of electric signals through a RJ45 interface; or one or more of the communication welding grooves are used for welding SFP slots, so that the input and output of optical signals are realized through a SFP transceiver. The device and the method are convenient to implement and low in cost, and the equipment can be updated at the minimum cost at any time.

The invention discloses a method for generating a product appearance design investigation report. The method comprises the following steps: determining the structure and demand information of the investigation report; collecting target information according to the demand information; constructing a knowledge graph according to the collected target information; processing the collected target information by adopting a natural language technology to obtain screened target information related to the demand information; and analyzing the target information, and generating an appearance design investigation report including texts and pictures according to the demand information and the screened target information. According to the method and the system, a natural language technology is adopted to analyze text data of appearance design, keywords in appearance design texts are summarized, and visual structure data can be formed through self characteristics including but not limited to shapes, colors, design styles and the like of product appearance design and can be used for data display of research reports, and the report data summarization and display efficiency is improved.

The invention discloses a method for regulating and controlling the aggregation state of human islet protein, which comprises the following steps: mixing hIAPP with a phosphate buffer salt solution toform a protein solution, mixing fast green with deionized water to form a fast green solution, and mixing the fast green solution with the protein solution to form a mixed solution. According to themethod, the aggregation degree of the hIAPP is regulated and controlled through fast green, and the aggregation of hIAPP can be effectively inhibited or promoted. The low-concentration fast green canblock the formation of the hIAPP dimer, so that the survival rate of pancreatic islet beta-cells is effectively increased, the high-concentration fast green can effectively promote the aggregation ofhIAPP, and the aggregation degree is effectively increased compared with that when fast green is not added, so that the effect of increasing the aggregation degree of hIAPP is achieved. In addition, under the condition of high-concentration fast green, the aggregation speed of hIAPP is increased, and the existence time of hIAPP toxic intermediates (dimers and the like) is shortened, so that the survival rate of pancreatic islet beta-cells is increased from another perspective. Therefore, fast green can also be used as a medicine for preventing and treating type 2 diabetes mellitus.