392results about How to "Overcome time" patented technology

The invention belongs to the technical field of path or flight path planning of robots as well as low-altitude flight aircrafts, specifically relates to a path planning method of a passable area divided at unequal distance, and is used for solving the problem that existing planning algorithm has large time complexity in time and space complexity. The path planning method comprises the following steps of: calculating convex extreme points of each barrier curve; dividing the passable area by using each convex extreme point as a horizontal line; abstracting each small area obtained by dividing into a peak of a graph; forming an undirected graph by all peaks; finding out a peak serial number corresponding to the small area at which a starting point and a final point are located; finding out all paths for the undirected graph by breadth-first or depth-first scanning; finding out an actual to-be-travelled path of a moving object according to the situation on an actual map. The path planning method disclosed by the invention has the beneficial effect of overcoming the problems of algorithms of A* and the like on memory space and operation time, and overcoming a convergence problem of an ant colony algorithm at the same time. Besides, time complexity and space complexity are improved greatly in comparison with other algorithms.

The invention disclose an indoor positioning system and an indoor positioning method based on three-dimensional multipoint wireless and micro-inertia navigation as well as an expansion type indoor control system. The indoor positioning system comprises a calibration device and a sensing device, wherein the calibration device comprises at least three first wireless transceiver units used for sending signals at intervals of first preset time; and the sensing device comprises an inertia sensing unit, a second wireless transceiver unit and a processing unit, wherein the inertia sensing unit is used for sensing the motion of a target object, the second wireless transceiver unit is used for producing a response signal when receiving the signal transmitted by each first wireless transceiver unit, and the processing unit is used for respectively calculating a first space coordinate of the target object according to the motion of the target object sensed by the inertia sensing unit, calculating a second space coordinate of the target object according to the response signal, and combining and processing the first space coordinate and the second space coordinate to obtain the final space coordinate of the target object. With the adoption of technical schemes of the indoor positioning system and the indoor positioning method, the positioning accuracy is high, and the motion response of the target object is sensitive, and the response rate achieves the millimeter.

The invention discloses an intelligent integrated control planting device which comprises a planting frame and a planting disk arranged on the planting frame, also comprises a power supply, an LED lighting lamp connected with the power supply, a low-pressure water pump and central control equipment; the LED lighting lamp is arranged the upper end of the planting frame or above the planting disk, the low-pressure water pump is arranged in a water supply system at the bottom of the planting frame and used for conveying water to the planting disk through a water pipe; and the central control equipment reads a correspondingly stored control data command according to different economic planting plants and centrally controls lighting frequency and time, temperature variation and watering quantity. By combining with accurate test planting parameters and through three-dimensionally planting plants in an intelligent integrated control and scientific efficient manner, the device disclosed by the invention greatly increases the output and meets the requirement for environmental protection.

The invention discloses a citrus recognition method based on improved YOLOv4. According to the method, a YOLOv4 network model structure is improved, an up-sampling module and a detection feature map sensitive to a small target are added, and citruses with relatively small individuals can be better identified; sparse training, channel pruning and layer pruning are carried out on a network model obtained through training, the defects of large memory consumption, long recognition time and the like caused by module addition are overcome, clustering is carried out by using a Canopy algorithm and ak-means + + algorithm, and a user can obtain an anchor frame parameter value more suitable for a data set of the user. When citrus recognition is carried out, an improved YOLOv4 network structure is adopted to train a citrus data set, and the obtained model can recognize a target with a small individual more accurately; before a network model is trained, through combination of layer pruning and channel pruning, the depth and the width of the model are compressed, and the training speed is improved on the premise that the precision is not lost; citrus on trees in different periods is recognized, the recognition precision is high, the speed is high, and the requirement for real-time recognition can be met.

The invention relates to a method and a device for automatically controlling water levels of multiple channel sections. The device comprises a water delivery open channel and a plurality of gates, wherein a water-dividing opening is reserved at a place close to the upstream of each gate; a gate opening and closing mechanism of each gate is connected with a control unit of each gate; and the control units are connected through a network. The control unit comprises a gate-front water level sensor, a gate-rear water level sensor and a gate open degree sensor, wherein the gate-front water level, gate-rear water level and the gate open degree sensors are connected with a low pass filter; the low pass filter is connected with an A/D converter; the A/D converter is connected with a data acquisition unit; the data acquisition unit is connected with an industrial control computer; the industrial control computer is connected with a PLC; and the PLC is connected with the gate opening and closing mechanism. Due to the adoption of upper and lower stream data acquisition, gate and water flow control simultaneously, the method and the device avoid the influences of long time delay and coupling effect of the long-distance large-scale water delivery open channel and give full play to the advantages of the upstream control and the downstream control method in the water level regulation and water quantity regulation.

The invention belongs to the technical field of wireless communication, and particularly relates to a dynamic heterogeneous network flow prediction method based on a deep space-time neural network. Aiming at the problems of small coverage area, low prediction precision, short prediction time and the like of the existing mobile data traffic prediction method, the dynamic heterogeneous network traffic prediction method based on the deep space-time neural network is studied. Considering the characteristics of user mobility, flow data space-time correlation and the like, deeply researching a wide-coverage long-term mobile data flow prediction mathematical model description method in the dynamic heterogeneous network; On the basis, a space-time related convolutional long-short time memory network model is studied to predict the long-term trend of the mobile traffic in the dynamic heterogeneous network; A space-time related three-dimensional convolutional neural network model is studied to capture micro-fluctuation of a mobile flow sequence in the dynamic heterogeneous network; And fusing the long-term trend prediction model and the short-term change model of the mobile traffic, therebyrealizing wide-coverage and high-precision long-term mobile traffic prediction in the dynamic heterogeneous network.

The invention belongs to the organic electroluminescence field, in particular to a packaging method for a top-emitting organic electroluminescent device, comprising the packaging to the top-emitting organic electroluminescent device having an upright structure and an inverted structure. A layer of organic or inorganic material which has a thickness of 10nm to 100nm and has high transmittance in a visible light region and is also easy of thermal evaporation deposition is coated on a top electrode of the top-emitting organic electroluminescent device to serve as a protective layer of the device, then a luminous zone of the device is coated with package resin, and finally a transparent packaging cover plate is pressed thereon. The method improves the packaging tightness of the device, avoids the damage to the device caused by friction, and overcomes the disadvantages of complicated operational procedures, long solidification time and high costs of the previous packaging process, and the method has advantages of simple process, short solidification time, low costs and good barrier property of oxygen and vapor, and is widely applied in the aspect of packaging to electronic and electrical devices such as organic electroluminescent devices (OLED).

The invention discloses a water-based dye ink and an application thereof. The water-based dye ink comprises the following components in percent by weight: 0.2 to 12 percent of water-soluble dye, 55 to 80 percent of modified acrylic resin emulsion, 0.01 to 1 percent of ultraviolet absorbent and balance of water, and different additives can be added. The dye ink can be applicable to the fields such as jet ink, cipher paint ink, textile printing ink, water-type printing ink, fountain pen ink and water ball pen ink, and has the advantages of water resistance, oil resistance, scratch resistance, illumination resistance, high temperature resistance, low temperature resistance, good color reducibility, duration and the like.

The invention discloses a vacuum infusion forming method for a carbon fiber composite structure member. The method comprises the steps as follows: making a large-size carbon fiber composite wind power blade structure member by a vacuum infusion forming technology; bonding and fixing a guide net to a mould by a transparent double-sided tape for preventing deformation of carbon fiber fabrics due to deformation of the guide net to guarantee that carbon fiber sheet is consistent in orientation so as to obtain a composite structure member with higher mechanical performance; preheating a resin mixing solution with a carbon fiber preforming body at first to guarantee the resin mixing solution to be quickly infused in a low-viscosity state; and sealing the upper surface of the carbon fiber preforming body with a unidirectional breathable film to form a surface breathable channel, and enabling the resin mixing solution to permeate from surface and to fill fully under vacuum, thus completing the vacuum infusion forming process. The method is suitable for the carbon fiber fabrics which are shaped by hot melting lines and have different surface densities; and compared with the carbon fiber prepreg forming process, the method has the advantages of long material availability period, high process stability and low product cost, and is favorable for popularization and application.

A method for extracting bean phytohemagglutinin belongs to the extraction technical field of useful constituents of plants. The method is a water extraction method in which the extraction is performed at 40-60 DEG C based on the following steps: crushing bean seeds to 40-100 meshes, adding soak solution to extract bean husk at the temperature of 40-60 DEG C for 60-180min and then fish the bean husk, performing rough separation to remove bean dregs, centrifugally separating to obtain supernatant with the bean phytohemagglutinin, further performing separation and purification on the supernatant, condensing or drying the supernatant to obtain the phytohemagglutinin. Ultrasonic wave or microwave can be exerted in the whole or part of the extraction process, or the ultrasonic wave and the microwave are alternately exerted to perform auxiliary extraction. A traditional low-temperature soaking and low-temperature treatment method is completely discarded in the method, and practice proves that the method is a simple and efficient method for extracting the phytohemagglutinin in short time. Related detection proves that the obtained phytohemagglutinin can meet conventional experimental needs and medicinal needs. The method helps overcome the disadvantage of more chemical reagent composition residue and long extraction time of the products obtained by the prior art.

The invention discloses a high strength and toughness 3Y-TZP composite ceramic and a preparation method thereof. The 3Y-TZP composite ceramic consists of 3Y-TZP, a SiC crystal whisker and Sr2Nb2O7; and the preparation method of the 3Y-TZP composite ceramic comprises the steps of preparing and mixing Sr2Nb2O7 powder, ball milling, profiling, degumming and sintering. The composite ceramic is obtained by sintering the SiC crystal whisker and a Sr2Nb2O7 ferroelectric material second-phase addictive which are introduced into the 3Y-TZP. The ceramic material with high strength and toughness can be obtained by adjusting the contents of the SiC crystal whisker and the Sr2Nb2O7 and optimizing a microwave sintering process under the synergistic effect of reinforcing by the SiC crystal whisker and toughening by the Sr2Nb2O7 piezoelectric second phase. The invention has reasonable components and simple preparation process and simultaneously achieves the effects of strengthening and toughening by adopting a synergistic technology of reinforcing by the SiC crystal whisker and toughening by the Sr2Nb2O7 piezoelectric second phase. In addition, the invention is applicable for industrial production, effectively improves the mechanical property of the 3Y-TZP ceramic and widens the application field of the 3Y-TZP ceramic.

The invention belongs to the field of pipeline detection, and particularly relates to a multilayer buried pipeline leakage source locating device and method based on acoustic emission inspection. The locating device is characterized in that a first waveguide rod and a second waveguide rod are fixed to the two sides of a leakage source respectively; the lower end of a first piezoelectric acceleration sensor and the lower end of a second piezoelectric acceleration sensor are bonded to the surfaces of the first waveguide rod and the second waveguide rod respectively; the upper end of the first piezoelectric acceleration sensor and the upper end of the second piezoelectric acceleration sensor are connected with a first preamplifier and a second preamplifier respectively through wires; then signals are transmitted to a first data acquisition module and a second data acquisition module; the signals are transmitted to an A/D converter through the two data acquisition modules to be converted to digital signals; the A/D converter transmits the digital signals to a host, and the host determines the position of the leakage source of a pipeline finally. According to the multilayer leakage source locating method, local locating and accurate locating are combined, local locating based on signal amplitude damping is adopted, accurate locating of the pipeline leakage source under a complex working condition is achieved finally based on acoustic emission inspection, and the method is suitable for locating of leakage of the pipeline under a buried condition.

The invention discloses an image perceptual hashing method based on two-sided random projection, which mainly solves the problem of quick searching of massive image data. The method comprises the following steps of (1) preprocessing original image data; (2) obtaining a two-sided random projection matrix; (3) carrying out low-rank approximating; (4) updating a low-rank matrix; (5) judging if the number of iteration times of the updated low-rank matrix is maximum or not; (6) grouping projection vectors; (7) orthogonalizing the projection vectors; (8) obtaining hashing codes; (9) obtaining a hamming distance; and (10) outputting test results. The hashing method has the advantages that the better projection vector can be obtained, the effective hashing codes can be obtained, the memory consumption is reduced, the searching time is saved, the comprehensive performance of precision ratio and recall ratio of image searching can be improved, and the hashing method is applied to the image searching services of electronic businesses and mobile terminal equipment.

The method for preparing probiotics is characterized by that it utilizes the metabolic product characteristics of various strains to select the strain for mixed fermentation, in the culture of mixed strain of probiotics of bifidobacterium and lactic acid bacteria, etc. the fungous fermenting liquor of ganoderma, etc. is added to make co-fermentation, so that it not only can raise number of ermentaing living bacteria, prolong the suvival time of living bacteria, but also can retain all the nutrients of fermenting liquor, reduce product cost and retain health-care effect of said product.

The invention discloses a method for extracting blueberry anthocyanin. The method comprising the following steps of: (1) pretreating raw materials; (2) extracting blueberry anthocyanin to obtain a blueberry anthocyanin crude extraction solution; and (3) refining the blueberry anthocyanin, and performing vacuum concentration on the blueberry anthocyanin until the content of the blueberry anthocyanin is 50% to obtain a finished product of a blueberry anthocyanin concentrated solution. According to the method for extracting the blueberry anthocyanin, the problems of low concentration of a blueberry anthocyanin extract and higher loss of the blueberry anthocyanin during extraction can be solved, and the defects of large solvent usage amount, long extraction time and high production cost of the existing extraction method can be overcome, so that the method disclosed by the invention is beneficial for environmental protection, energy conservation and development of cyclic economy, and has very significant economic and social benefits.

The invention discloses a device used for restoring the sludge polluted by heavy metals and a use method thereof. The device is an electrolytic cell (11), wherein the inside of the electrolytic cell (11) is provided with three baffles (5); the electrolytic cell is divided into an anolyte tank (3), a sludge treatment chamber (9), a heavy metal setting tank (4) and a catholyte tank (10) in sequence by the baffles (5); two graphite electrodes connected with a power supply (1) are separately inserted in the anolyte tank (3) and the catholyte tank (10); the inside of the side next to the sludge treatment chamber (9), of the heavy metal setting tank (4) is provided with a cation exchange membrane (6); and the side opposite to the cation exchange membrane (6) is provided with an anion exchange membrane (7). By adopting the device and method of the invention for restoring sludge, the efficiency is high, the operation is simple, the cost is low and most of heavy metals in sludge can be removed.

The invention provides a performance tester of a continuous flat ultrafiltration membrane and a reverse osmosis membrane and a use method thereof. The tester comprises a water supply unit, a drainage unit and a plurality of parallel infiltration ponds, wherein each infiltration pond comprises a substrate, a shell, a water inlet, a water outlet, an exhaust port, a bottom inserting tube, a stirrer and a constant-temperature water bath jacket. Produced water penetrating through a separation membrane to be measured is discharged out of the infiltration ponds via the water outlets. The tester can carry out constant-temperature and stable operation at higher temperature and can realize the functions of testing membrane separation performance and membrane flux attenuation, extracting key pollutants of the membrane, cleaning the membrane on line and testing membrane performance restore after cleaning.

The invention provides a door-access control method and device. The door-access control method comprises the following steps of: acquiring the signal intensity of an RFID (Radio Frequency Identification Device) label positioned in a vehicle by a door-access RFID reader; determining a first position of the RFID label according to the signal intensity; determining the current position of the vehicle according to the first position; acquiring the driving direction of the vehicle; and determining the opening time of a gateway corresponding to the driving direction according to the current position. The door-access control method and device provided by the invention have the advantages that the defects of long passing time and low efficiency in the existing door-access system are overcome, and the investment of the system is greatly reduced compared with the traditional long-distance reading mode.

The invention discloses a preparation method of dried mangoes. The preparation method comprises the steps of removing rotten mangoes and impurities from mangoes, cleaning the mangoes with saline water, removing skins and kernels of the mangoes, slicing regularly, performing color protection on the sliced mangoes, pickling with sugar, putting in a tray in a microwave drying device for microwave drying to remove 55-60% of moisture in the sliced mangoes, quickly freezing with liquid nitrogen, lyophilizing in a tray of a vacuum freezing-drying device for reducing the moisture of the mangoes to be 5-6%, and performing vacuum drying to obtain the dried mangoes. The dried mangoes prepared by adopting the method have the high nutritive value and the good quality.

The invention discloses a rapid area-of-interest detection method based on depth kernelized hashing and mainly aims to solve problems of low detection precision and low efficiency existing in an image area-of-interest detection method in the prior art. The method comprises steps that in a training process, to-be-trained data sets are classified into multiple categories which are inputted to a depth kernelized hashing supervised learning network framework to acquire corresponding hashing codes, fine tuning of network parameters is carried out according to a label information matrix till the optimal learning result is realized; in a test process, inputted test images are pre-processed, and binary codes are acquired through the trained depth kernelized hashing supervised learning network framework; the area-of-interest position of the image is determined according to a decision function and is marked, and area-of-interest detection and identification are accomplished. Through the method, area-of-interest detection analysis performance of the image can be effectively improved, an area-of-interest detection rate and system framework operation efficiency are improved, and the method can be applied to rapid detection and identification of breast image lumps.

The invention discloses an indoor frozen soil model pile static force loading experimental device and method. The device comprises a workbench, a loading framework, a self-balance lever static force loading device, a refrigerating system, a pile soil model, a displacement measurement system and a strain testing system, wherein the workbench is arranged on a horizontal plane; the loading framework is vertically welded on the workbench; the self-balance lever static force loading device, the refrigerating system and the pile soil model are installed from the top of the outer side to the bottom of the inner side of the overloading framework in a matched mode from top to bottom sequentially; the displacement measurement system and the strain testing system are arranged on the external side wall of the loading framework; the displacement measurement system extends into the loading framework and is connected to the part between the refrigerating system and the pile soil model; the strain testing system extends into the pile soil model. The indoor frozen soil model pile static force loading experimental device and method can overcome defects of high cost, high maintenance expense, long time and the like in the prior art so as to achieve the advantages of low cost, low maintenance expense and short time.

The invention provides a method for transfer printing, positioning and stamping for fabric or leather, which comprises the following steps of: (1) selecting a base membrane, wherein the base membrane is selected from PET (polyethylene glycol terephthalate), BOPP (biaxially-oriented polypropylene), aluminum-plated stamping membrane or paper; (2) printing in a dyeing way; printing one color, firstly drying, and printing next color and carrying out the next drying, till that a preset pattern is formed by printing all color cells; (3) positioning and gluing, and printing the glue on the position to be gilded on the base membrane which is printed by ink, wherein the glue is selected from polyurethane or polyamide; and (4) gilding, gilding the position printed with the glue, and drying under low temperature and rolling simultaneously, so that the base membrane to be transfer printed, positioned and stamped attached with a dyeing pattern is prepared, wherein the drying temperature is from 50 DEG C to 60 DEG C; (5) hot-pressing; and (6) rolling in a separating way. The method has the beneficial effects of: being free from coating release agent, short in labor hour, and low in cost; advanced in gilding mode, quick in speed and good in effect, and capable of being secondly gilded.

The invention relates to a drawer type portable slope runoff sampler and a sampling method thereof. The sampler consists of a water storage device and a collection device, wherein the water storage device comprises a water tank and a stirrer; a flow sensor is arranged at a water inlet of the water tank; the collection device comprises a box seat and a box cover; a distribution pipe valve group in sliding fit is arranged on an electric lead screw guide rail in the box cover; drawers in which multiple rows of built-in sampling bottles are arranged are arranged in the box seat; a row of water injection nozzles of the distribution pipe valve group is aligned with openings of any row of sampling bottles in the drawers; the water tank is connected to a peristaltic pump through a guide tube; the peristaltic pump is connected to the distribution pipe valve group through the guide tube; the flow sensor, a stirring motor of the stirrer, a driving motor of the electric lead screw guide rail, the distribution pipe valve group and a driving motor of the peristaltic pump are electrically connected to a control device. According to the sampler, effects of saving manual labor, conveniently collecting and monitoring in real time are achieved, the water sample collection reliability and accuracy are guaranteed, and the water quality conditions are conveniently and accurately judged.

The invention relates to a detecting method of water environment pollution source based on wireless sensor networks. The technical scheme is that, firstly, n sensor nodes are uniformly arrayed in a to-be-detected water environment area, the sensor nodes are all connected with a sink node in a wireless multi-hop method, the sink node is wirelessly connected with a gateway, and the gateway is connected with a data management center through a data wire; a management software is mounted in the data management center and includes a detecting module and a positioning module of the water environment pollution source; and finally, as long as the collected data of the sensor nodes is substituted into the detecting module and the positioning module of the water environment pollution source by the management software of the data management center, the pollution source can be detected and the position coordinates of the pollution source can be calculated. Therefore, the invention has the advantages of simplicity and convenience for carrying out, high precision, strong operability, low cost and short-time efficiency, and provides a more advanced method for the actual detecting and positioning of the water environment pollution source.

The invention discloses a method for removing arsenic, antimony and copper by refining raw lead. The invention aims to provide the method for removing the arsenic, antimony and copper by refining the raw lead. The method is characterized by comprising the following steps of: A, putting raw lead ingots into an open lead melting pot, and heating the raw lead ingots to the temperature of between 450 and 850 DEG C for melting lead into lead liquid; B, putting aluminum or aluminum alloy into the lead liquid obtained in the step A, fully mixing the aluminum or the aluminum alloy and the lead liquid with stirring, and generating scum which floats to the surface of the lead liquid; C, fishing the scum, namely fishing the scum generated in the step B after stirring to obtain the lead liquid removed with arsenic, antimony and copper; and D, casting ingots, namely casting the ingots by using the impurity removed lead liquid obtained in the step C to obtain lead ingots removed with the arsenic, antimony and copper. The method is mainly used for removing the arsenic, antimony and copper by refining the raw lead.

The invention discloses a service flow shaping method and a service flow shaping device for a cascaded port of an avionics full duplex switched Ethernet (AFDX) switch. The main problems of relatively stronger switching delay jitter of packets and incapability of transmitting high-priority packets on time in the prior art are solved, and a system can be conveniently cascaded. The method comprises the following steps of: (1) extracting packet scheduling information; (2) extracting the information of a time registry; (3) receiving and scheduling the packets; (4) selecting and sequencing the packets; (5) updating time tags; (6) transmitting and scheduling the packets; and (7) updating a time registry. The device comprises an input caching module, a receiving scheduling module, a time registry module, a packet information storage area module, a time tag module, an output queue module, a transmission scheduling module and an output caching module. The method and the device have the advantages that: the determinacy of the delay jitter of the packets can be ensured; the forwarding delay jitter of the packets can be effectively reduced; the high-priority packets can be transmitted on time; and the method and the device are applied to the traffic shaping of the AFDX switch.

The invention discloses a wireless ultrasonic probe assembly for flaw detection of a crawler-type steel rail and a flaw detection method of the wireless ultrasonic probe assembly. Each crawler plate in the wireless ultrasonic probe assembly comprises a plate base of the crawler plate, and an ultrasonic probe array, a battery, a pressure sensor, an ultrasonic wave transceiving circuit, a converter and a UWB (Ultra Wide-Band) communication module which are embedded in the plate base; the battery is connected with the ultrasonic wave transceiving circuit, the converter and the UWB communication module; the ultrasonic wave transceiving circuit, the UWB communication module and the pressure sensor are respectively connected with the converter; and the ultrasonic wave transceiving circuit is also connected with the ultrasonic probe array. According the flaw detection method, when ultrasonic waves meet nucleus flaw, horizontal cracks, longitudinal cracks and other damages inside the steel rail in the propagation direction, the damaged parts can generate reflection and scattering effects on the ultrasonic waves. According to the wireless ultrasonic probe assembly and the flaw detection method thereof, the relative rest between ultrasonic probes and the steel rail is realized by adopting a crawler rolling manner instead of the traditional wheel rolling manner, and thus the data sampling time is greatly prolonged; meanwhile, the detection flexibility can be improved and the detection cost is reduced.

A wireless communication network testing data collection and analysis method based on an intelligent mobile phone is characterized in that an intelligent mobile phone of an ATAW (Any Time, Any Where) abnormal data three dimensional collection software based on 'client perception degree' is mounted to monitor existing wireless communication network data at real time; if a client finds abnormal situation of a wireless communication network, the client collects data, automatically triggers a GPS module of the client and compresses and encrypts abnormal information and abnormal data; then under the condition that the wireless network communication network is covered, the client transmits the abnormal information and the abnormal data to an analysis system via the wireless network; and if the wireless communication network can not be covered, the abnormal information and the abnormal data are stored in the client temporarily. The overall collection and analysis process is closely connected, abnormal conditions of the network is timely found, network optimization is realized, and the method is simple, precise, reliable and convenient and easy to be operated.

The invention discloses a method for preparing super active carbon by taking biomass power plant ash as a raw material. A particular preparation process is as follows: the biomass power plant ash is boiled by alkali and then is filtered to filter insoluble substances; a hydrochloric acid solution is added into the insoluble substances; impurity removal and water washing are carried out to obtain an active carbon precursor, namely residual carbon; the residual carbon is heated and activated in the atmosphere of water steam and CO2 to obtain a middle product; then the middle product and NaOH are mixed to be heated and activated in the atmosphere of N2; an activated product is washed and dried to obtain the super active carbon. The method takes wastes of a biomass power plant as raw materials and utilizes the NaOH with a low price to replace KOH with the high price, so that the wastes are changed into valuable things to obtain the active carbon with a high additional value for a super capacitor.

The invention provides an ordering method, an apparatus and a terminal. The method comprises that when data state parameters of main data in a database are updated, based on the updated data state parameters of main data, the ordering apparatus obtains an ordering list corresponding to the updated data state parameters; the ordering list comprises an identification information set after ordering based on a preset ordering rule; based on every identification information in the identification information set, the data state parameters corresponding to every identification information are obtained; based on the updated data state parameters and the data state parameters corresponding to every identification information, the ordering list is updated. According to the ordering method, the apparatus and the terminal provided by the invention, a long time consumption problem when TOP N data is obtained in the prior art can be overcome.