257results about How to "Improve preprocessing efficiency" patented technology

The invention discloses a microblog user interest recognizing method based on text mining, and belongs to the field of text mining and natural language processing. The method includes the steps of collecting the newest topical microblog text data of a microblog text set and microblog text data of a designated user, standardizing the collected microblog text data, recognizing the newest microblog words and renewing a new word dictionary for the standardized topical microblog text data through the microblog new word recognition method, conducting Chinese character word separation on the standardized microblog text data of the designated user through the new word dictionary word separation method to achieve text vector expression, clustering the microblog text data, expressed through text vectors, of the designated user, recombining original microblog text data, extracting new text set features through a topic model, presetting topic dictionaries, calculating the weight of each topic dictionary based on the new text set features to obtain the final topic, and enabling the final topic to serve as the microblog user interest recognition, thereby improving accuracy of feature extraction.

The invention discloses a continuous locus intersegment connecting speed processing method for a numerical control system, which comprises the following steps of: determining an adjacent two-segment locus connecting model, and acquiring the movement parameter of the adjacent two-segment locus to be processed; calculating the path length of the adjacent two-segment locus to be processed; calculating the speed of a connecting point of the adjacent two-segment locus under the conditions of acceleration, arch height error, instruction feeding speed and corner constraint; calculating the speed of the connecting point of the adjacent two-segment locus satisfying the condition S curve acceleration and deceleration control-based path length constraint of the front segment locus in the adjacent two-segment locus; and calculating the speed of the connecting point of the adjacent two-segment locus satisfying the condition S curve acceleration and deceleration control-based path length constraint of the rear segment locus in the adjacent two-segment locus, wherein the calculated speed is used as a final value of the adjacent two-segment locus connecting speed. The invention provides the continuous locus intersegment connecting speed processing method for numerical control equipment, so that the processing locus of the numerical control equipment is continuous and the speed is smooth.

The invention discloses a data processing method and a data processing system. The method of the invention comprises the following steps: concurrently executing a plurality of Map tasks, wherein each Map task acquires data of the corresponding part in the data to be processed and processes the acquired data to obtain the local processing results of the data to be processed; and executing the Reduce task, wherein the Reduce task obtains the global processing result of the data to be processed according to all the local processing results. The invention can improve the data preprocessing efficiency in the data mining process.

In manufacturing an organic electroluminescence device including a plurality of layers sequentially laminated on a substrate, the plurality of layers are laminated at a film formation portion on the substrate by varying the relative positions of the substrate on which to perform film formation and a plurality of vapor sources arranged side by side so that the substrate passes sequentially through positions corresponding to the plurality of vapor sources.

The invention discloses a method for efficiently degrading lignocelluloses raw material. The method comprises the following steps of: simple smashing of raw material as well as enzymolysis of normal pressure microwave unite alkali liquor and cationic surface active agent disposal raw material and nonionic surfactant auxiliary cellulose, wherein the roughly smashed lignocelluloses raw material, the cationic surface active agent and the alkali liquor are mixed, after microwave processing at normal temperature, liquid and solid are separated, and furthermore, the nonionic surfactant auxiliary cellulose is added for solid enzymolysis so as to obtain a sugar liquid. According to the method, the advantages of the physical method and the chemical pretreatment method are complementary, so that the degree of crystallinity of the cellulose raw material is effectively lowered, the pretreatment time is shortened, and the pretreatment effect is improved; furthermore, alkali liquor with low concentration is beneficial to effective recycle in industrial production, pretreatment of lignocelluloses raw material at normal temperature can also lower the energy consumption in the pretreatment process obviously, and sugar liquid with higher concentration can be obtained in shorter hydrolysis time as the nonionic surfactant auxiliary cellulose is used for enzymolysis.

The invention relates to a pretreatment method for deacidification and impurity removal of acid leaching liquid of vanadium extracted from stone coal. Ion exchange resin and carbon materials are used for being prepared into a composite electrode plate which is placed in a capacitive deionization assembly, a direct-current power source is powered on, the acid leaching liquid of vanadium extracted from stone coal is subjected to pretreatment of deacidification and impurity removal, the treated composite electrode plate is in short connection or reverse connection, and the desorption process is performed. The method is little in energy consumption, the pretreatment efficiency is improved, loss of precipitated and mixed V in the solid and liquid separating process is reduced, and therefore the using amount of chemical agents is small, the V loss rate is low, and the impurity removal effect is obvious. The pretreatment method further has the advantages that the technology is flexible, and the method can be used for pretreatment of deacidification and impurity removal of acid leaching liquid of vanadium extracted from stone coal and can also be used for treatment of other high-acid multi-impurity leaching liquid.

The invention discloses an integrated device for kitchen waste continuous crushing pulping and component sorting. The integrated device comprises a main driving device, and a feed oil extraction device, a feed end main bearing, a crushing cavity, a discharging end main bearing and a discharging sorting device which are sequentially connected, and the main driving device provides motive power required by operation of the crushing cavity. The integrated device has the advantages that a treatment mode of primary oil extraction, crushing and then sorting is applied, the process is simple, and the treatment efficiency is high; kitchen waste conveying and primary oil extraction can be achieved through the feed oil extraction device; a dodecahedron special for kitchen waste is used as a crushing body and performs casting motion in the crushing cavity which rotates in a decelerating mode to crush and grind raw materials, crushing effects are good, the pulping efficiency is high, and intertwining is not prone to occurrence; impurities and organic material pulps can be effectively separated by means of the discharging sorting device. The whole integrated device is reasonable in design, high in integration level and capable of performing continuous operation of kitchen waste crushing pulping and component sorting.

The invention relates to a distribution network data online cleaning method based on dynamic outlier detection. The distribution network data online cleaning method comprises the steps of: establishing a buffering queue which is used for receiving the first batch of distribution network real-time data set A1, and obtaining the length L1 of the buffering queue; calculating Euclidean distances between all data points to the data set A1, so as to form a Euclidean matrix D1; diluting a Euclidean matrix Dn-1 if the buffering queue continues receiving the nth batch of distribution network real-time data set An, so as to obtain a diluted distribution network real-time data set A'n-1, and merging a Euclidean matrix Dn and a Euclidean matrix D'n-1, so as to obtain a matrix D''n; detecting abnormal data of the D''n by using an outlier detection algorithm, sending wrong data to a data source for retransmission or error correction, outputting cleaning results, and emptying the buffering queue. According to the method provided by the invention, through three processes that the data buffering queue is established, the Euclidean matrices are dynamically updated and abnormal data points are removed, the real-time online distribution network data generated in the operation and failure processes of a distribution network are cleaned, so that the distribution network data quality and availability are improved.

The invention relates to a kitchen waste pretreatment system and method. The system comprises a receiving device, a sorting device, a crushing and sieving device, a sand setting device, a centrifugal filter-pressing device and a three-phase separating device, wherein the receiving device is used for storing and conveying kitchen wastes and carrying out preliminary solid-liquid separation on the kitchen wastes; the sorting device receives the kitchen wastes from the receiving device and sorts the kitchen wastes to separate a first kind of sundries from the kitchen wastes; the crushing and sieving device is used for crushing the sorted kitchen wastes, adding water in the kitchen wastes and pulping, and meanwhile sieving a second kind of sundries from the kitchen wastes to obtain liquid; the sand setting device is used for separating and discharging a third kind of sundries from the liquid; the centrifugal filter-pressing device receives the liquid after the liquid is subjected to sand setting and separates a fourth kind of sundries from the liquid; and the three-phase separating device receives the liquid after the liquid is filter-pressed centrifugally, and separates the liquid into oil, water and solid-phase substances.

Provided is a method for improving the laser preprocessing efficiency of optical element small light spot scanning. The method comprises the steps that the position coordinates of a movement starting point and a movement terminal point of each line of samples are calculated according to required preprocessing sample area Amm*Bmm and the center-to-center spacing L and the compensation distance L0 of adjacent irradiation light spots; a computer controls the samples to make uniform motion line by line according to the position coordinates and acquires the position information of sample motion trails in real time, and meanwhile the computer controls a laser device to output pulse laser to irradiate the samples to conduct laser preprocessing on the surface of an optical element at a fixed frequency mu. The method is simple and easy to execute, the arraying trajectory of a square or an equilateral triangle on the surfaces of the samples of the adjacent irradiation light spots can be guaranteed, and the working efficiency of laser preprocessing of optical element small light spot scanning is effectively improved.

The invention discloses a data preprocessing method, a data preprocessing system and a data preprocessing device in a data mining system. The data preprocessing correspondingly has a plurality of preprocessing modes in which the execution sequence is set. The invention adopts a main technical scheme which comprises: determining a current preprocessing mode corresponding to the data preprocessing; and when determining that the processing results obtained according to the current preprocessing mode do not need to be combined and the current preprocessing mode is not the last preprocessing mode of the data preprocessing, processing the data to be processed in the current preprocessing mode at the operating nodes, and controlling the operating nodes to process the processing results in a preprocessing mode next to the current preprocessing mode. According to the technical scheme, the transmission process between different nodes for reading the data to be processed and writing the processing results to be written is not used, the data preprocessing efficiency in the data mining system is improved, and the performance of the entire data mining system is improved.

The invention relates to a straw-degrading composite microbial inoculum which is prepared by mixing a microbial inoculum No.I and a microbial inoculum No.II, wherein the microbial inoculum No.I comprises phanerochete chrysosporium, cacillus and streptomycete; and the microbial inoculum No.II comprises trichoderma, penicillium, aspergillus and actinomycete. The application method of the high-efficiency straw-degrading composite microbial inoculum in pretreatment of ethanol production comprises the following steps: soaking crushed straws in ammonia water to carry out cleaning treatment; adding a nutrient solution to prepare a fermentation substrate; spraying the high-efficiency straw-degrading composite microbial inoculum, and carrying out fermentation treatment for two days; and filtering,and washing with water to neutral, thus obtaining the pretreatment product for ethanol production. The invention has the following advantages: the treatment of soaking straws in ammonia water is beneficial to removing lignin, increasing the enzyme contact area of celluloses and hemicelluloses and improving the pretreatment efficiency; and by combining the microbial inoculum and the fermentation process to degrade straws, different microbes can secrete complementary enzymes in the degradation process, so that the substrate can be thoroughly degraded, thereby improving the biomass resource utilization rate. Besides, the invention is simple in process and convenient to implement, and can not do harm to the environment.

The invention discloses a preprocessing method, device and system for website access logs. The method comprises the steps that original logs are read from a cluster server; the original logs are combined and ordered to obtain a middle log stream; the middle log stream is segmented to obtain a preprocessing log. By the adoption of the preprocessing method, device and system, the problems that due to repeated read-write operation in the prior art, preprocessing for the website access logs consumes a long time, so the speed and efficiency of log processing are low are resolved, preprocessing for log data is completed by means of single-time read-write, processing time and the number of processed intermediate files are reduced, and therefore log processing efficiency is improved.

The invention discloses a log event extraction method and system based on a log tree and a parse tree. The method is divided into two steps of preprocessing and log content parsing, and the method specifically comprises the steps of providing and maintaining a rule base composed of regular expressions and heuristic rules, and extracting a small part of logs to automatically generate a log format; recognizing the log as a log head and log content on line based on the log format; searching the analytic tree, and respectively calculating the similarity between the static field and the dynamic parameter in the log tree and the event tree by adopting the longest common substring and the longest common subvector; and matching the log tree and the event tree by adopting a clustering technology, and extracting events and corresponding parameters. In order to cope with the complexity of the log content, the preprocessing and log content analysis steps in the online event extraction method are improved. The workload of manually recognizing log formats is reduced, the problem that an existing method is difficult to identify events containing uncertain number of parameters is solved, and log events are extracted more accurately.

The invention provides a device for preparing biogas by utilization of organic waste, comprising a biogas collector (14) used for storing the biogas and a methane production reactor (11) used for preparing the biogas through fermentation. The device is characterized in that: the device also comprises an acid treater (1) used for acid treatment of the organic waste, a caustic treater (2) used for alkaline treatment of the organic waste, and an acid production reactor (8), wherein, the acid treater (1) is communicated with the caustic treater (2) by means of fluid; the caustic treater (2) is communicated with the acid production reactor (8) by means of fluid; the acid production reactor (8) is communicated with the methane production reactor (11) by means of fluid; and the methane production reactor (11) is communicated with the biogas collector (14) by means of fluid. The device for preparing the biogas by utilization of the organic waste provided by the invention can improve the gas production efficiency by 50 to 120 percent, can simultaneously obtain potassium-enriched organic fertilizer if KOH is used, and has the excellent advantages of simple and high-efficiency technique, energy conservation, low cost and so on.

The present invention is light aggregate pre-treating process and apparatus. The light aggregate is first pressurized and humidified in a sealed pressure container as the light aggregate pre-treating apparatus in the pressure of 5-8 MPa for 30-120 min to reach water absorbing rate of 60-80 %; and then shell forming treated through mixing with cement for 90-180 min, with the cement adding amount being 50-100 kg for 1 cu m of aggregate without free water, to form watertight shell in the surface of the aggregate. The present invention has high aggregate pre-treating speed, high efficiency, and capacity keeping free water amount and maintaining high pumpability of the concrete.

The embodiment of the invention provides a goods volume prediction method and device, an electronic device and a storage medium, and the method comprises the steps: obtaining first historical goods volume data in a first time period and second historical goods volume data in a second time period, and the first time period being earlier than the second time period; respectively inputting the firsthistorical goods volume data into a plurality of prediction models to obtain a goods volume data prediction value of a second time period output by each prediction model; determining a target prediction model from the multiple prediction models according to the data prediction value output by each prediction model, and the goods volume data prediction value obtained by the target prediction modelbeing closest to the second historical cargo volume data; and predicting the goods volume data by using the target prediction model. According to the invention, the plurality of models are predicted by using the historical goods volume data in advance, and the target prediction model is selected for goods volume data prediction according to the comparison result of the prediction result and the real historical goods volume data, so that the accuracy of goods volume prediction can be improved to a greater extent.

The invention discloses a bag tearing device and a bag tearing method. The bag tearing device comprises a machine shell, a spiral conveying device and a bag tearing tool. A feed inlet and a discharge outlet are formed in the machine shell. The spiral conveying device and the bag tearing tool are both arranged in the machine shell. The bag tearing tool comprises a tool driving device, a reduction gear, an installation disc and a plurality of tool bodies. The installation disc is in an annular shape. The multiple tool bodies are sequentially arranged and fixed to the inner wall of the installation disc in the circumferential direction. The tool driving device is connected with the reduction gear. The installation disc and the reduction gear are mutually fixed. The installation disc is located at the front end of the spiral conveying device. The installation disc and the spiral conveying device are coaxially arranged, and the rotating direction of the installation disc and the rotating direction of the spiral conveying device are opposite. According to the bag tearing device, garbage bags can be torn and broken under the condition that conveying is not influenced; the treatment process is smooth and continuous, the equipment failure rate is low, the structure is simple and compact, and the cost is low.

The invention discloses a stem cell culture system. The stem cell culture system comprises a mounting box, a pretreatment mechanism, a cell dispersing mechanism, an isolating and cleaning mechanism, aconvenient test tube picking and placing mechanism, a temperature control mechanism and a cell centrifugation mechanism, wherein the bottom end of the mounting box is fixedly connected with a mounting bottom plate, the cell centrifugation mechanism is arranged on one side face of the outside of the mounting box and comprises a centrifuge main body, and a sealing cover is hinged to one side of oneside face, where the centrifuge main body is placed, of the outside of the mounting box. According to the stem cell culture system, a lifting outer tube can be lifted from the top of a lifting circular tube through an offsetting spring, a top end plane of a connecting flip plate can restores horizontal, thus, a fixing ring and a top end plane of a placement tube can be horizontal, then, the placement tube can correspond to a test tube position of the convenient test tube picking and placing mechanism, thus, a test tube can be more easily placed inside the placement tube, and thus, a cell dispersing device and a stem cell centrifugation mechanism can be more conveniently used in a matched manner.

The invention provides a wet-process solid-liquid separation method for desulfurized slurry and a triple box process improvement method. The wet-process solid-liquid separation method for the desulfurized slurry comprises the following steps: placing the desulfurized slurry in a reaction device, and adding lime milk till pH is 8-12; adding magnetic seeds; adding a flocculant; and performing solid-liquid separation. Owing to adding of the magnetic seeds and the function of the flocculant, solid-liquid separation can be quickly realized through magnetic flocculation, the sedimentation time is shortened, the size of a clarification tank is reduced, the floc sedimentation efficiency is improved by 50% or above, the sludge content and the moisture content of sludge can be reduced, the follow-upsludge dehydration pressure is relieved, and the sludge treatment cost is lowered; heavy metals and suspended solids can be effectively removed; part of calcium and magnesium can be removed, and softening of desulfurized wastewater is realized; adding of an inorganic coagulant can be omitted, the chemical addition is reduced, and the treatment process is simplified; the magnetic seeds can be recovered, and the recovery rate is up to 90% or above; and the wet-process solid-liquid separation method can be used for improving the triple box process and improving the pre-treatment efficiency of the desulfurized slurry.

The invention provides a chip fixing device and a preparation method for an invalid analysis sample. A chip sample is attached to the chip fixing device, anti-friction force and anti-centrifugal force needed in a chemical milling process are provided by fixing the chip sample, automatic chemical milling is achieved, so that automatic batch preparation of the invalid analysis sample is achieved, the pretreatment efficiency of the invalid analysis sample is improved, the success rate of the preparation of the invalid analysis sample is improved, and meanwhile manpower resources are saved; meanwhile, a spring is arranged in a pressure adjusting device, the degree of tightness of the spring can be adjusted through an adjusting valve, so that the pressure applied on a chemical milling platform can be adjusted, the adjustment of chemical milling speed is achieved, and the efficiency of the chemical milling is improved.

The invention provides a water sample pretreatment device, comprising a water inlet, a filtration component and a water outlet. And the device further includes a heating component installed between the water inlet and the filtration component for heating a water sample to a predetermined temperature, and an ultraviolet digestion component disposed between the water inlet and the filtration component for conducting ultraviolet digestion to the water sample. The device performs heating and ultraviolet digestion treatment to the water sample before filtration, so that solid phosphorous organic substances and nitrogenous organic substances can dissolve in water after decomposition and avoid being filtered out. Thus, the reliability and objectivity of monitoring and measurement of the water sample pretreatment device are improved. In addition, as part of the solid organic substances is fully dissolved, occurrence of blockage and inconvenience in cleaning are reduced. Therefore, the filtration speed is improved.

The invention discloses sludge pretreatment equipment. The sludge pretreatment equipment comprises a filter box and two dewatering boxes, wherein support columns are fixedly arranged at four corners of the bottom of the filter box; support seats are fixedly arranged at the bottoms of the four support columns; a sludge inlet pipe is fixedly arranged in the middle of the top of the filter box; a connecting flange is fixedly arranged at one end of the sludge inlet pipe; filter frames are fixedly arranged in the filter box; and metal filter screens are fixedly arranged in the filter frames. The sludge pretreatment equipment has the advantages that sludge is intercepted by the metal filter screens mounted in the filter frames; transmission rods are conveniently driven to rotate by first drivingmotors, and the transmission rods can be driven to rotate under the meshing action of incomplete gears and transmission gears, so that connecting rods are driven to swing clockwise, the filter framesare knocked by steel balls to vibrate, and the sludge is prevented from being adhered to the surfaces of the metal filter screens; the connecting rods can be driven to reset under the action of resetsprings, so that the steel balls swing intermittently in a reciprocating manner.

The invention provides a method for cleanly storing and feeding coal slurry fuel of an electric power plant. The method comprises the following processes of: pre-treating coal slurry, protecting and storing the coal slurry, feeding the coal slurry, pumping the coal slurry and feeding the coal slurry with a boiler. The invention also provides a device for cleanly storing and feeding the coal slurry fuel of the electric power plant. The device comprises a coal slurry pre-treating system, a coal slurry protection and storage device, a pre-pressurized feed screw (4), a flashboard valve (3), a coal slurry transmission pump (5), a coal slurry transmission pipeline (6), a rotation type dense material dividing valve (13), a coal slurry feeding device and an electric power plant boiler. The invention overcomes a plurality of defects existing in the prior art and provides the brand new method and the corresponding device for transmitting the cola slurry to the electric power plant boiler.

A false-twist stretching method for animal fibres includes wetting and rolling several times, wet and hot storage, false-twist stretching, shape fixating in cold water, and baking. Its apparatus consists of wetting and rolling unit, false-twist stretching unit, two guide rollers, and two squeeze rollers.

The invention relates to the technical field of agricultural machines and discloses a preprocessing device applied before planting of soybean seeds. The preprocessing device applied before planting ofsoybean seeds comprises a rack; a preprocessing tank is fixedly connected to the rack; a screening unit and a seed soaking unit are arranged in the preprocessing tank; the screening unit comprises ascreen; a cam is rotationally connected to the rack, a cylinder body is fixedly connected to the rack, a piston is slidably connected in the cylinder body, a spring is connected between the piston andthe cylinder body, and the piston is provided with a piston rod; the seed soaking unit comprises a stirring paddle; the preprocessing tank is provided with a cavity; a first one-way valve and a firstpressure valve are installed between the cavity and the cylinder body; the rack is fixedly connected with a first air bag and an air guide chamber; a second one-way valve and a second pressure valveare installed between the first air bag and the cylinder body; a first regulating valve is installed between the air guide chamber and the first air bag; a turbine is rotationally connected in the airguide chamber; and the air guide chamber is provided with air outlet. By means of the preprocessing device, the problem that seeds are not screened before being preprocessed by an existing preprocessing device and consequently the planting yield is reduced in the prior art is solved.

The invention discloses a big data-oriented relational database hybrid heterogeneous query model, which is structurally characterized in that the bottommost layer is a central database and is used forstoring data to be queried; the middle layer is a Hadoop distributed file system HDFS and is used for storing metadata and middle results, and meanwhile, a data cache layer and a global index layer are added to store all data dictionary tables, result buffers of the data dictionary tables and global index information, index directories and index buffers of all the data tables; a MapReduce programming model is adopted in the top layer, and parallel processing is provided for data in the HDFS, and the fault tolerance is guaranteed; and the middleware is provided with four functional modules including a database connector, a data loader, an index generator and a query engine. The big data-oriented relational database hybrid heterogeneous query model supports dynamic division of original data, improves the preprocessing efficiency, and prolongs the response time of query requests under large-scale users on the basis of keeping the integrity of the original data.

The invention discloses a method for preprocessing wool before being spun. Due to the fact that vegetable matter in wool is mechanically processed in the whole process of the method for preprocessing wool before being spun, the vegetable matter removing efficiency is high, no pollution is caused, and damage to the environment is avoided. The method further solves the problems that in the carbonization process of an existing wool preprocessing technology, the environment is polluted, and the native quality of wool fibers is damaged, the wool preprocessing efficiency is improved, the environmental pollution caused by preprocessing on wool before being spun is reduced, and the native quality of wool fibers is kept.

The invention relates to a continuous sludge pyrohydrolysis system and method, wherein the continuous sludge pyrohydrolysis system comprises a sludge surge bunker, a high pressure sludge feed pump, a high pressure feed stop valve, a sludge pyrohydrolysis reaction device and a high pressure discharge stop valve which are sequentially connected with one another by pipelines, and the high pressure discharge stop valve is connected with a sludge after-treatment device by a pipeline; the sludge pyrohydrolysis reaction device comprises a tank body, a stirring device arranged in the tank body, a steam pipeline entering the tank body by penetrating the top of the tank body, extending along the inner wall of the tank body downward to the tank body bottom, temperature detectors which are respectively arranged at the upper part and the lower part of the side wall of the tank body, and a pressure detector arranged at the top of the tank body; a feed inlet is arranged in the bottom or the lower part of the side wall of the tank body, and an outlet is arranged in the upper part of the side wall of the tank body; the feed inlet and the outlet are respectively connected with the high pressure feed stop valve and the high pressure discharge stop valve; the inlet of the steam pipeline is provided with a steam valve.