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Cloud platform based electric automobile path planning method
ActiveCN104864883AReduce difficultyEffective charging pile utilizationInstruments for road network navigationAutomotive engineeringPlanning method
The invention discloses a cloud platform based electric automobile path planning method. The method comprises steps as follows: the deployment conditions of charging piles of the entire network as well as traveling data of an electric automobile are collected through a cloud platform in real time, the traveling path data of the automobile are calculated by a vehicle navigation system, reasonable traveling paths, such as a path with the shortest traveling time, a path with the shortest traveling distance and a path recommended by the cloud platform, of the electric automobile are planned in advance according to the use saturation degree of the charging piles, the path recommended by the cloud platform is selected on the basis of shorter increased time, shorter detouring distance and preferable use of the charging piles with low saturation degree, then the cloud platform sends the paths to a user, and the user selects one path according to individual demand and reserves the corresponding charging pile through the cloud platform. According to the method, the reasonable traveling path can be planned for the electric automobile, the difficulty of finding the charging piles for the electric automobile is reduced, and the utilization rate of the charging piles of the entire network is effectively balanced.
Owner:TSINGHUA UNIV
Data forwarding method, controller, forwarding device and system
ActiveCN103346971ABalanced UtilizationRealize automatic adjustmentData switching networksService flowComputer science
The invention discloses a data forwarding method, controller, forwarding device and system, and belongs to the field of computers. The data forwarding method comprises the steps that overload link port information sent by the forwarding device is received; a service flow, with biggest flow, in a port is queried according to identification, of the port, contained in the overload link port information; a new forwarding path is generated for the service flow; a new forwarding flow table of the service flow is generated for the forwarding device on the new forwarding path; the new forwarding flow table is sent to the corresponding forwarding device. Due to the facts that the service flow, with biggest flow, in a port is queried according to identification, of the port, contained in the received overload link port information, and the new forwarding path is generated for the service flow, the problem that a service flow cannot be further controlled after a controller confirms a forwarding path of the service flow is solved, and the purposes that flow distribution is optimized in real time, and then network forwarding performance is improved are achieved.
Owner:HUAWEI TECH CO LTD
Information channel and power combined self-configuration method for APs (Access Points) in wireless local area network
InactiveCN103338504AImprove utilization efficiencyReduce network congestionPower managementNetwork topologiesPower parameterBusiness efficiency
An information channel and power combined self-configuration method for APs (Access Points) in wireless local area network comprises the steps as follows: the area where the APs to be configured are located is selected as a local network, and the local network is divided into a plurality of grids according to practical conditions; each AP sends out a self-configuration request to a server and simultaneously reports the position coordinate of the AP and the scanned frequency spectrum use information of the ambient environment of the AP; the server analyzes the positions and the ambient environments of the APs according to the self-configuration requests of the APs, and allocates information channels and power parameters to the APs to be configured in combination with the use conditions of AP information channels in neighbor cells under the premises of meeting the coverage rate requirement and minimizing same frequency interference, that is, first the signal energy of each grid is estimated according to a path loss empirical model to learn the network coverage condition, and then the information channel and the power parameter eventually configured for each AP is obtained through calculation based on the principle that the energy efficiency ratio is highest, and are sent to the AP to be configured. The method provided by the invention is quick and effective, guarantees the region coverage requirement, avoids same frequency interference to the maximum extent and guarantees that the energy efficiency ratio of the network is highest.
Owner:BEIJING UNIV OF POSTS & TELECOMM
Non-cooperation game resource allocating-based 3G (the third generation telecommunication) / WLAN (wireless local area network) heterogeneous network accessing control method
ActiveCN103634848AImprove user fairnessOptimize system resource utilizationNetwork traffic/resource managementLocal area networkResource utilization
A non-cooperation game resource allocating-based 3G (the third generation telecommunication) / WLAN (wireless local area network) heterogeneous network accessing control method belongs to the technology of a wireless heterogeneous network, and solves the problems such as low network effectiveness, unbalanced resource allocation in each area and low resource utilization rate in the existing heterogeneous network resource allocating and accessing control. The method comprises the steps of establishing a 3G / WLAN non-cooperation game model to obtain an effectiveness expression of the WCDMA (wideband code division multiple access), the TD-SCDMA (time division-synchronization code division multiple access) and the CDMA (code division multiple access) 2000, solving the non-cooperation game Nash equilibrium solution of the three networks as the optimal time solution of the total network effectiveness in the whole service area and proving the uniqueness of the Nash equilibrium. The bandwidth in each covering range is obtained according to the allocating result of the CDMA, TD-SCDMA and the CDMA2000 network game sources, the rest bandwidths of the WCDMA, TD-SCDMA, the CDMA2000 and the WLAN network are computed, the accessing of a new user and the switching of the user in the network are judged and the method is suitable for the field of the wireless heterogeneous network.
Owner:HARBIN INST OF TECH
Organic-inorganic compound fertilizer for landscape greening plants and preparation method thereof
InactiveCN104072228ARich in nutrientsGood fertilizer effectFertilizer mixturesDiseaseSoil properties
The invention discloses an organic-inorganic compound fertilizer for landscape greening plants and a preparation method of the compound fertilizer. The organic-inorganic compound fertilizer for landscape greening plants is prepared from the following raw materials in parts by weight: 45-65 parts of municipal sludge, 20-30 parts of coconut oil cake, 10-15 parts of corncob, 16-22 parts of furfural residue, 12-18 parts of beer grain meal, 10-15 parts of edible mushroom leftovers, 7-13 parts of pepper meal, 5-10 parts of bits of wood, 4-8 parts of coal slag, 5-10 parts of waste molasses, 8-14 parts of spoiled milk, 10-15 parts of bamboo shoot shell, 5-10 parts of wormcast, 6-12 parts of volcanic mud, 5-10 parts of sea mud, 4-8 parts of medical stone powder, 3-5 parts of germanium stone powder, 9-18 parts of modified attapulgite, 5-10 parts of turfy soil, 4-8 parts of paper ash, 3-6 parts of crab shell powder, 10-15 parts of carbamide, 5-10 parts of monoammonium phosphate, 8-16 parts of calcium superphosphate and 2-4 parts of potassium chloride. The compound fertilizer has more nutrient elements, balanced in nutrient and capable of remarkably improving the utilization rate of the fertilizer and the rapid growth of the plants. The compound fertilizer also has the characteristics of stable, long and comprehensive fertilizer efficiency and has functions of improving soil properties, improving the soil fertility and reducing soil-borne disease; after the fertilizer is applied for one time, the demands of the plants on various nutrients can be met, so that the fertilizer does not need to be applied repeatedly, thus the labor cost is saved.
Owner:MINGGUANG HEZHONG IND ENG INSTALLATION
Synchronous spraying device for large machine
InactiveCN105772293ARealize simultaneous sprayingEnsure consistencySpraying apparatusArthrobotrysMechanical engineering
The invention provides a synchronous spraying device for a large machine. The synchronous spraying device comprises a plurality of movable bases (1), wherein a six-axis joint robot is installed on each movable base (1), and a spray gun is installed at the tail end of each six-axis joint robot; a steel plate (2) is arranged at the front end of each movable base (1), a piston cylinder (3) is further horizontally arranged at the front end of each movable base (1), the outer end of a piston rod of each piston cylinder (3) is level with the outer side of the corresponding steel plate (2) while retracting, and an electrically-controlled magnetic attraction device (4) is arranged at the rear end of each movable base (1); and the movable bases (1) attract the electrically-controlled magnetic attraction devices (4) through the steel plates (2) and are sequentially connected in series to form an integrated movable platform. According to the synchronous spraying device provided by the invention, the integrated movable platform formed by sequentially connecting the plurality of movable bases (1) in series is provided, and synchronous spraying of all the six-axis joint robots can be realized; and moreover, the problem of interference is avoided, and the consistency of the spraying quality of parts of the large machine can be ensured.
Owner:李富平
Mapping algorithm adopted in wireless network virtualization environment
ActiveCN105337834AImprove utilization efficiencyIncrease the chance of successful mappingNetworks interconnectionNetwork planningFrequency spectrumWireless network virtualization
The invention discloses a mapping algorithm adopted in a wireless network virtualization environment. The mapping algorithm aims to solve the problem of existing wireless network virtualization mapping algorithms that public resources including bandwidth and frequency spectrum which can be shared between different basic facilities within a certain range and private resources including power and computing capacity which only belong to fixed hardware equipment and can not be shared are not well defined and distinguished. The mapping algorithm is capable of realizing joint optimization of power resources and frequency spectrum resources, interaction between power resources and frequency spectrum resources is comprehensively considered, the cost function of virtual network mapping is established by defining unit resource cost for reflecting the physical network loading level, mapping cost minimization is taken as the optimization object, physical network load balancing is achieved, path separation is adopted during virtual network mapping, and the utilization efficiency of physical resources is improved and the success rate of virtual network mapping is increased.
Owner:CHONGQING UNIV OF POSTS & TELECOMM
Radial fixed bed reactor for oxy-dehydrogenation of butylene
InactiveCN103071429ABalanced utilizationSimple structureHydrocarbonsChemical/physical processesPorositySingle stage
The invention relates to a radial fixed bed reactor for oxy-dehydrogenation of butylene. The radial fixed bed reactor mainly solves the problems that the pressure drop of the reactor is high, fluid distribution is nonuniform, a raw material conversion rate is low, and product selectivity is low in the prior art. The radial fixed bed reactor adopts a centripetal Z-shaped structure and is a cylindrical vessel with a catalyst bed; a feed port is located at the top of the reactor; a discharge port is located at the bottom of the reactor; a gas predistributor with a conical single-stage baffle is arranged at the feed port; the catalyst bed consists of a fan-shaped barrel distributor located at an outer ring and a porous wall barrel located at an inner ring; a catalyst is filled in the catalyst bed; a cover plate sealing structure is arranged at the top of the catalyst; the fan-shaped barrel distributor can be in a porosity-variable or Johnson screen structural form; and the porous wall barrel at the inner ring consists of an inner layer center porous barrel, an intermediate layer punched plate and an outer layer screen. The radial fixed bed reactor solves the problems better and can be used for industrial production of preparing butadiene through the oxy-dehydrogenation of butylene.
Owner:CHINA PETROLEUM & CHEM CORP +1
Electric vehicle dual-scale charging guiding method and system considering users' satisfaction degree
ActiveCN108390421ASatisfaction GuaranteedBalanced utilizationCharging stationsCharging managementPower gridEngineering
The invention relates to an electric vehicle dual-scale charging guiding method and system considering users' satisfaction degree. According to the method, electric vehicles are divided into an immediate charging cluster and a time-delay charging cluster according to charging time frame requirements from uses, and satisfaction degree functions in different scales are established; in the time scalelayer, a model is established by considering power grid factors and user charging cost factors, and a load curve is adjusted by guiding the start charging time of the electric vehicles; in the spacescale layer, a model is established by considering charging station factors and user traveling cost factors, and the charging station selection of each vehicle is planned, so that the charging stationoperation efficiency is improved; and electric vehicle charging behavior guiding for users on time and space scales is performed according to the solved optimal solution. Compared with the prior art,optimization and balance utilization of the load curve, the traffic condition and charging station equipment are realized while users' satisfaction degree is satisfied.
Owner:SHANGHAI UNIVERSITY OF ELECTRIC POWER
Game strategy optimization method and system and storage medium
ActiveCN111291890AImprove accuracySolve the credit allocation problemMachine learningInference methodsIntelligent agentOperations research
The invention provides a game strategy optimization method, a game strategy optimization system and a storage medium. The game strategy optimization method comprises a step of establishing a strategygradient algorithm based on maximum entropy and a step of solving a multi-agent optimal reaction strategy. The method has the beneficial effects that a centralized training and decentralized executionmode is adopted, the accuracy of an action valuation network is improved, Meanwhile, global baseline rewards are introduced to more accurately measure the action income of an intelligent agent, so that the problem of credit allocation in a human game is solved. Meanwhile, a maximum entropy method is introduced for strategy evaluation, and exploration and utilization in the strategy optimization process are balanced.
Owner:HARBIN INSTITUTE OF TECHNOLOGY SHENZHEN (INSTITUTE OF SCIENCE AND TECHNOLOGY INNOVATION HARBIN INSTITUTE OF TECHNOLOGY SHENZHEN)
Yttrium-nickel rare earth-based hydrogen storage alloy
ActiveCN104532095AStructural stress reliefEliminate component segregationAlkaline accumulator electrodesGas phaseRare earth
The invention relates to A2B7 type RExYnNiz-a-bMnaAlb hydrogen storage alloy. The alloy is good in pressure-composition-isothermality, and has a maximum hydrogen storage amount of up to more than 1.36 wt.% under usual conditions. The alloy of the invention has better electrochemical performance as a hydrogen storage electrode and better gas-phase hydrogen absorption and desorption performance as a hydrogen storage material than traditional LaNi5 type hydrogen storage alloy; the alloy contains no magnesium element in the composition, so the preparation method of the alloy is simple and safe when compared with that of traditional rare earth-magnesium-nickel-based A2B7 type hydrogen storage alloy.
Owner:BAOTOU RES INST OF RARE EARTHS +2
Electric vehicle charging station charging pile intelligent management method and device
ActiveCN112193112AAvoid affecting the charging processEasy to chargeCharging stationsElectric vehicle charging technologyControl systemParking space
The invention discloses an electric vehicle charging station charging pile intelligent management method and device applied to a charging station management and control system, and the method comprises the steps: analyzing whether a charging pile is in an available state or not in real time based on data collected by collection equipment of the charging pile; receiving a charging request of a userside, and obtaining charging demand parameter information; based on the charging pile list in the available state, intelligently selecting the charging pile with the minimum charging completion timeand cost according to the charging demand parameter information, judging whether the electric vehicle is a to-be-charged target intelligently matched with the charging pile where the charging parkingspace is located or not according to an electric vehicle image shot by charging parking space camera shooting equipment, and if yes, allowing the electric vehicle to park in the parking space and performing charging based on the intelligently matched charging plan. A user purposefully selects the charging station, the occupancy rate of the charging piles of each charging station is balanced, the management of charging parking spaces is realized through the combination of vehicle identification and intelligent ground lock switch control, and the problem that charging pile parking spaces are occupied by a fuel vehicle is avoided.
Owner:ANHUI JIYUAN SOFTWARE CO LTD
Carbon-nitrogen-vanadium alloy containing titanium and manufacturing method thereof
The invention provides a carbon nitrogen vanadium alloy containing titanium and the alloy comprises the following components by weight: vanadium of 55-80%, titanium of 0.1-20%, carbon of 0.1-10%, nitrogen of 8-20% and density hardening agent of 0.1-5%.The invention also provides a method of preparing the carbon nitrogen vanadium alloy containing titanium, and the method comprises the following steps: (1) calculating and weighing powdery vanadium-contained base material, titanium-contained supplementary material, carbonaceous reducing agent and density hardening agent according to the weight percentages of vanadium, titanium, carbon and the density hardening agent; (2) performing roll-grinding to the raw materials proportioned in the step (1), pressing the mixed materials into blanks after being grinded; (3) putting the blanks formed in the step (2) into a reduction reaction furnace for being sintered, adding nitrogen gas or alkaline gas or other gas mixture into the reduction reaction furnace at any temperature below 650 DEG C, keeping the temperature for 1-3 hours when the temperature comes to 1000-1400 DEG C, then the furnace and the materials therein are cooled under 100 DEG C, finally the materials are took off the furnace.
Owner:SICHUAN UNIV
An improved Mask R-CNN image instance segmentation method for identifying defects of power equipment
InactiveCN109816669ASpeed up the ROIAlign processAchieve regressionImage analysisNeural architecturesFeature extractionEquipment Defects
The invention discloses an improved Mask R-CNN image instance segmentation method for identifying defects of power equipment. The method comprises the steps of constructing a convolutional neural network; reading the power equipment defect pre-processed picture, inputting the power equipment defect pre-processed picture into a convolutional neural network, and performing feature extraction on thepower equipment defect pre-processed picture by the convolutional neural network to obtain a feature-containing region; refining the region containing the characteristics through an RPN network; and in the refined region, carrying out RoIAgign operation through a bilinear difference method to process the refined region, generating a feature map of a fixed size for each region of interest, and obtaining power equipment defect instance segmentation through the category, the coordinate information and the mask information. By improving the Mask R-CNN image instance segmentation method, the basiceffect of Mask R-CNN segmentation is reserved, the bilinear interpolation speed in the RoIAgign process is increased, meanwhile, the mapping process fully and uniformly utilizes power equipment defects to preprocess all pixels of an image, and the segmentation effect is more obvious.
Owner:YUNNAN POWER GRID CO LTD ELECTRIC POWER RES INST +1
Laying hen feed and processing method
InactiveCN101991014AImprove immunityEnhance the efficacy of disease prevention and health careFood processingAnimal feeding stuffMedicinal herbsEggshell
The invention discloses a laying hen feed and a processing method. The feed comprises the following components in percentage by weight: 20 percent of malt, 40 percent of corn, 16 percent of bean pulp, 4 percent of cottonseed meal, 3.7 percent of rapeseed dregs, 2.4 percent of corn embryo cake, 1.0 percent of corn embryo meal, 0.3 percent of enzymolysis feather meal, 8.5 percent of stone powder, 0.8 percent of oil bone grain, 1.0 percent of bone grain, 0.2 percent of medical stone, 0.35 percent of salt, 0.15 percent of methionine, 0.6 percent of composite Chinese medicinal herbs and 1.0 percent of premix. The processing method comprises the following steps of: crushing and / or grinding various components in the feed, adding the various raw materials into a stirrer for stirring, and finally packing the stirred feed by using bags. Because of the use of the Chinese medicinal herbs, the feed improves the laid egg weight, improves the color of eggshells and prolongs the laying peak duration on the premise of keeping the daily feed intake unchangeable, and has the effects on health care and disease resistance at the same time so that the laying hens keep good production performance in the whole laying period.
Owner:HENAN MUHE GROUP FEED
Nickel zinc copper ferrite wave-absorbing material and preparation method thereof
InactiveCN101345109AClose contactUniform heat exchangeOther chemical processesInorganic material magnetismSolventOrganic acid
Owner:ZHEJIANG NORMAL UNIVERSITY
Direct-expansion solar heat pump water heating system
InactiveCN102645044ABalanced utilizationSmall pressure lossSolar heating energySolar heat devicesEnvironmental resistanceGlass cover
The invention discloses a heat absorption core of a collector used for a solar heat pump water heating system, a naked plate type collector, a collector with a glass cover plate as well as a direct-expansion solar heat pump water heating system. The naked plate type collector and collector with the glass cover plate are connected through an electromagnetic valve and a refrigerant copper pipe and, a PLC (Programmable Logic Controller) controls the open and close of the electromagnetic valve according to different external conditions so as to realize the separated operation and series operation of the naked plate type collector and the collector with the glass cover plate. Refrigerant gas through evaporation and compression enters a plate-type heat exchanger so as to carry out countercurrent flow heat exchange with circulating water, hot water temperature is fed back to a controller through a temperature sensor, and the controller controls the open and stop of a compressor. With the structure, the system has the advantages of high energy efficiency ratio, good environmental adaptation, simple structure and the like and is environment-friendly and energy-saving.
Owner:UNIV OF SHANGHAI FOR SCI & TECH
Container resource creating method, device and equipment and computer readable storage medium
PendingCN110221901AImprove experienceIncrease profitResource allocationSoftware simulation/interpretation/emulationResource utilizationNamespace
The invention relates to the technical field of financial science and technology, and discloses a container resource creating method, device and equipment and a computer readable storage medium. The method comprises the following steps: when a container resource creation request is received, obtaining a complete definition of a container resource according to the container resource creation request; reading a target namespace from the complete definition, and calling a preset interface to read an annotation of the target namespace to obtain a key value pair in the annotation; and injecting thekey value pair as a node selector attribute into a container group definition part in the complete definition to obtain an updated complete definition, and creating a corresponding container resourceand a container group based on the updated complete definition. According to the invention, when the container resources are created, the attributes of the node selectors can be automatically added to the container groups in the container resources, so that the container groups can be directionally dispatched to the optimal computing nodes in the cluster subsequently, the balanced utilization ofthe cluster resources can be ensured, and the utilization rate of the cluster resources is improved.
Owner:WEBANK (CHINA)
High-temperature low-oxygen top-combustion-type air heating furnace
ActiveCN101792837ABalanced utilizationEfficient use ofBrick-hot blast stovesCombustion chamberEngineering
The invention relates to a high-temperature low-oxygen top-combustion-type air heating furnace belonging to the technical field of air heating furnaces and comprising a cold air inlet, a furnace grate, columns, grid blocks, a regenerative chamber, a furnace liner, a furnace shell, a high-temperature low-oxygen combustor, a combustion chamber, an arc top, a hot air outlet and a flue gas outlet. The high-temperature low-oxygen top-combustion-type air heating furnace is characterized in that the high-temperature low-oxygen combustor is arranged at the upper part of the air heating furnace and comprises two gas inlets, circular tracks, nozzles, two air inlets and hollow gas pre-combustion chambers, each inlet, circular track and nozzle comprise 1-20 layers, combustion-supporting air over 800 DEG C sucks combustion products by fractional combustion and high-temperature airflows in the high-temperature low-oxygen combustor, and the oxygen volume density of a reaction area is diluted to realize high-temperature low-oxygen combustion fully different from a traditional combustion process. The invention is suitable for air heating furnaces used for ironmaking with blast furnaces or by smelting reduction in the ironmaking industry and can also be used in the industrial technical field of heating gaseous media over 1000 DEG C.
Owner:BEIJING SHOUGANG INT ENG TECH
Air-cooling radiator and manufacturing method thereof
InactiveCN103987236ASmall temperature deviationReduce thermal resistanceCooling/ventilation/heating modificationsEngineeringHeat spreader
The invention discloses an air-cooling radiator and a manufacturing method thereof. The air-cooling radiator comprises a thermal conduction substrate and cooling fins. Fin insertion grooves are formed in the thermal conduction substrate. A connecting end of each cooling fin is fixed in the corresponding fin insertion groove in the thermal conduction substrate. The space between the connecting end of each cooling fin and the corresponding fin insertion groove is filled with a thermal conduction medium. An air passing passageway is further formed in each cooling fin. The space between the connecting end of each cooling fin and the corresponding fin insertion groove is further filled with the corresponding thermal conduction medium, thermal resistance between the thermal conduction substrate and the cooling fins can be reduced through the thermal conduction mediums, thermal conduction is facilitated, and the heat dissipation effect of the air-cooling radiator is improved; the cooling fins can be more tightly attached to the side walls of the fin insertion grooves, and therefore thermal resistance can be further reduced; by the adoption of the design of the air passing passageways, air from an external fan can flow through the space outside the cooling fins and the air passing passageways, so that the inner portion and the outer portion of the cooling fins are fully cooled, and heat on the cooling fins can be rapidly taken away.
Owner:深圳市华盛源机电有限公司
Event processing method and device in workflow operating period
ActiveCN105573840AImprove stabilityConsider response timeResource allocationSorting algorithmResource utilization
The invention provides an event processing method and device in a workflow operating period. The event processing method in the workflow operating period comprises the following steps that: an event dispatcher reads a dispatching algorithm according to events, obtains the events from an event pool, and sends the events to different event processors; execution of each event processor is independent; and the event processor stores the events dispatched by the event dispatcher in an event queue according to an event queue sorting algorithm, and selects the events from an event queue to process through threads in a thread pool, wherein, the number of the threads in the thread pool is adjusted according to a thread pool self-regulating algorithm. By means of the method, high-efficiency and steady processing of workflow events can be realized; and performances and resource utilization are effectively balanced.
Owner:NEUSOFT CORP
Forward-condensing multiple-effect back-heating array type humidification and dehumidification solar-powered seawater desalination device
InactiveCN105174339AReduce heat transferImprove heat collection efficiencyGeneral water supply conservationSeawater treatmentGlass coverSolar light
The invention discloses a forward-condensing multiple-effect back-heating array type humidification and dehumidification solar-powered seawater desalination device which comprises condensers, humidifiers, condensing apparatuses and air channels. Solar light incident from the upper side is condensed through the condensers, penetrates through glass cover plates to reach the surfaces of the humidifiers and is converted into heat energy. Seawater is sprayed on the humidifiers, absorbs vapor of the solar heat energy and performs heat and humidity exchange with air to form saturated wet air, and the high-temperature wet air enters condensation cavities under driving of fans and performs heat exchange with cold seawater to produce fresh water. After the seawater flows out of the condensers, a part of seawater is supplemented and sprayed on the humidifiers, and the residual seawater is discharged out of a system. Non-evaporated saline water drops on saline water plates to be recycled, and redundant saline water is discharged out of the device through the bottoms of the plates. The device can form the multiple-effect system in an arrayed mode, multiple effect structures are identical, the high-temperature high-humidity air and the saline water in one saline water plate are respectively delivered to another effect structure to heat the saline water in the corresponding condenser and cool the wet air, and latent heat discharged during vapor condensation is recovered to achieve the purpose of efficient seawater desalination.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
Method and device for collocating discontinuous receiving cycle starting point
ActiveCN101547501ABalanced UtilizationPower managementHigh level techniquesResource utilizationTime-division multiplexing
The invention discloses a method for collocating a discontinuous receiving cycle starting point, including the following steps: offsets of the starting points of the DRX cycles of all users in a long-term evolution item time division multiplexing (LTE TDD) wireless frame are obtained, and the offsets of different users are distributed on a downlink subframe of the LTE TDD wireless frame; and the offsets of the starting points of the DRX cycles are sent to a corresponding user terminal. The invention also discloses a device for collocating a discontinuous receiving cycle starting point. The scheme of the invention enables the time for a plurality of terminals to start up the DRX to be evenly distributed on all downlink subframes in an LTE TDD system, thereby the equilibrium of the utilization ratio of downlink dispatching and downlink resources can be achieved.
Owner:DATANG MOBILE COMM EQUIP CO LTD
Aluminum preliminary alloy refiner containing titanium and vanadium, aluminum alloy containing titanium and vanadium and preparation method
The invention discloses an aluminum preliminary alloy refiner containing titanium and vanadium, comprising the following components by weight percent: 1 to 99% of aluminum, 0.01 to 77% of vanadium, 0.01 to 77% of titanium, 0 to 20% of carbon and 0 to 23% of nitrogen, wherein at least one of carbon and nitrogen exists in preliminary alloy refiner. Aluminum alloy which contains titanium and vanadium comprises the following chemical components by weight percent: 0.001 to 1% of vanadium and 0.001 to 1% of titanium. The aluminum preliminary alloy refiner containing titanium and vanadium has five preparation methods, and aluminum alloy which contains titanium and vanadium have two preparation methods.
Owner:SICHUAN UNIV
Method for extracting metal ions from fatty acids
ActiveCN110408777ABalanced utilizationImprove leaching efficiencyProcess efficiency improvementRare earthFatty acid
The invention relates to the field of enrichment of metal ions, and discloses a method for extracting metal ions from fatty acids. The method comprises the following steps that (1) saponification is carried out on a fatty acid extraction agent through alkali; (2) the saponification-treated fatty acid extraction agent and an extraction mother solution are mixed, react with each other, are stirred uniformly and precipitated and are then subjected to solid-liquid separation to obtain a metal precipitate, and rare-earth metal ions or non-rare-earth metal ions in the mother solution are extracted;and (3) the metal precipitate is eluted through an acid liquid, and a metal-enriched solution and a regenerative fatty acid extraction agent are obtained after liquid separation. The fatty acid extraction agent used in the method can be directly extracted from animals and plants, can be acquired from numerous sources at low price, is convenient to convey and store, good in biological compatibilityand easy to degrade and causes less pollution to water bodies, the precipitates formed in the precipitation process are large in particle size, solid-liquid separation is easy, the recovery rate of metal ions is high, the enrichment factor is large, and the fatty acids can be recycled.
Owner:厦门熙途科技有限公司
Mail server system and mail distributing method
ActiveCN101179532AAchieve synchronizationImprove efficiencyData switching networksMail DistributionsProxy server
The embodiment of the present invention discloses a mail server system, which includes: a mail distribution server, at least one mail delivery proxy server and at least one mail delivery proxy server. A method for mail distribution is also disclosed in the embodiment of the present invention, the method includes: A.MTA server sends a query request to NameServer according to the mail to be sent; B.NameServer selects the MDA server according to the query request, and sends the selected The address of the MDA server is returned to the MTA server; C.MTA server distributes the mail to the corresponding MDA server according to the address of the MDA server; D. The MDA server delivers the mail to the mail corresponding to the mail corresponding mailbox. Through the above-mentioned system and method, configuration file synchronization can be realized; all MDA servers in the mail server system can be utilized in a balanced manner, thereby improving the efficiency of the entire mail server system.
Owner:TENCENT TECH (SHENZHEN) CO LTD
Drying process for Haidao superfine composite fiber slice
InactiveCN1384227ABalanced utilizationTake advantage ofArtifical filament manufactureFiberEngineering
The present invention relates to a composite superfine fiber slice drying process and apparatus. Filtered air is blown by a fan into heater and heated air is fed to pre-crystallizer from its bottom while slice is fed in from the upper part. The slice is pre-crystallized during the heat exchange with heat air, and pre-crystallized slice enters into the drying tower from the upper part while heatedair, which is produced through compression, dehumidifying, filtering, pressure reducing and heating, enters in from the bottom. Through full heat exchange, the slice is dried finally to a water content less than 300 ppm.
Owner:辽阳天利海岛纤维有限公司
Congestion subway line passenger flow coordination control method based on space-time network
ActiveCN110390421AReduce waiting timeBalanced utilizationDetection of traffic movementForecastingCurrent limitingSimulation
The invention belongs to the technical field of urban rail transit, and relates to a congested subway line passenger flow coordination control method based on a space-time network. According to the method, train space-time tracks, dynamic requirements of all OD passengers, the train loading capacity, passenger path selection, the waiting time and the like under a set running chart are comprehensively considered, on the premise that an existing running chart is not affected, passenger travel is optimized, safe and efficient operation of rail transit is guaranteed, the passenger waiting time isshortened, and rail transit resources are balanced. Specifically, through a time discretization method, on the premise of determining a running chart, a train running space-time network is constructed, a passenger flow control problem is converted into a passenger travel time selection problem, and a mathematical optimization model for accurately describing the problem is established. Furthermore,the model is converted into a travel shortest path selection problem based on individual passengers by means of a Lagrange relaxation method, an algorithm for solving the problem is designed, and a rail transit line collaborative current limiting strategy under a given running chart is efficiently solved.
Owner:BEIJING JIAOTONG UNIV
Data driven coordinated nursing scheduling method for home-based care for the aged
InactiveCN108764621AReasonable schedulingEfficient schedulingResourcesGenetic algorithmsData-drivenNursing staff
The invention discloses a data driven coordinated nursing scheduling method for home-based care for the aged. Requirements of the aged are evaluated via a qualitative and quantitative combined evaluation method, and a community embedded type home-based care servicer for the aged is provided according to an evaluation result. The aged who can take care of themselves to certain extent provided withthe care service at home and helped in independent life. An algorithm is designed to schedule different types of nursing resources effectively, the proper and effective service is provided for the aged, and the nursing resources are scheduled reasonably. The problems that the aged who are cared in the home-based manner are large in number and positioned in a scattered way, nursing schemes of nursing staff are generated automatically via the computer algorithm, the nursing staff are scheduled reasonably and effectively, timely and accurate nursing services are provided for the aged, and the nursing resources are utilized in a balanced way.
Owner:EAST CHINA NORMAL UNIV
Electric automobile V2G control method based on intelligent charging pile
ActiveCN109910671AReduce communication burdenReduce control difficultyCharging stationsElectric vehicle charging technologyAutomotive batteryData information
The invention relates to an electric automobile V2G control method based on an intelligent charging pile. The electric automobile V2G control method based on the intelligent charging pile comprises the following steps: acquiring historical load data information of the current control area through a user electricity information acquisition system, predicting the conventional electrical load of thearea on that day and generating a load curve; according to the generated load curve, dividing peak and valley time; calculating the load margin of each sub-time; acquiring battery information accessedinto the electric automobile by the charging pile and through a battery management system, acquiring related information such as the charging requirement of the user by a user interface, and determining user access time ai, user departure time Li and charging time TEV, i, wherein the charged state of the battery has upper and lower limit in order to guarantee the health of the electric automobilebattery, and the whole and charging and discharging process is conducted in the interval; and grouping a vehicle group according to that the user access time ai is in the peak or valley time. According to the flow of the control method, a centralized control center does not need to perform real-time communication and control, so that communication burden and control difficulties are reduced.
Owner:CHINA THREE GORGES UNIV
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