379results about How to "Improve the distribution effect" patented technology

Reactor internals in a lower reactor comprise a reactor pressure vessel(1), a reactor core provided in the reactor pressure vessel(1), a supporting lower plate(2) of the reactor core fixed to the bottom of the reactor core and a flow distribution device(3) provided with several circular openings. The flow distribution device(3) comprises an upper distribution plate, a middle distribution ring fixedly connected to the bottom of the upper distribution plate along the periphery direction, a lower distribution plate fixedly connected to the bottom of the middle distribution ring along the periphery direction. Several evaginable protruding sections are provided on the top of the upper distribution ring. The evaginable protruding sections of the upper distribution ring are fixedly connected to the supporting lower plate (2) of the reactor core. The reactor internals in a lower reactor have a simple structure, an even flow distribution and a small resistance coefficient, and are easy to replace and repair.

The invention relates to a scalable distributed system supporting dynamic security assessment and early warming of a power system, comprising: a server terminal, a client terminal and a computing resource supervision terminal. The server terminal gains real time power system data from an energy management system and saves the real time power system data into a database server. Data resources of the database server are sent in two ways. One is sent to a computing engine server and the other is sent to a data mapping module of a computing engine client off-line calculation. The computing engine server calculation data resources of the server terminal are directly inputted into the computing resource supervision terminal. The client terminal one side is connected with the server terminal to process bidirectional data exchange, and on the other side is connected with the computing resource supervision terminal to realize data bidirectional transmission. The computing resource supervision terminal is separately connected with the server terminal and the client terminal to process bidirectional data exchange. The invention can gain real time system data from the power system to process the dynamic security assessment, so as to find problems in time and give out early warming control strategy.

The invention provides a method for determining the object conversion order during the dynamic updating of software and a system adopting the method, which belongs to technical field of the computer application. In the method, acquiring object reference information and reference stop information; comparing and deleting redundant object reference information and the two types of information matched with each other; differentiating the object reference property so as to acquire all dependency relationship information of active objects; testing the updating completeness by utilizing the type test rule; and testing the updating condition of a safety object so as to acquire the reasonable updating order of components. The system comprises a service calling monitoring module, a reference information updating module, a component dependency analysis module, a completeness testing module and an updating order selection module. By the invention, the dynamic dependency relationship of component objects can be dynamically acquired in the operational process of the system, and the reasonable updating order of the component objects can be generated during dynamically updating the components.

The invention discloses an unmanned aerial vehicle auxiliary communication resource allocation method of a Hybrid NOMA network. Acording to the multi-cell multi-channel mixed NOMA/OMA small cellular network based on user experience, a joint resource allocation problem is decomposed into two sub-problems of three-party matching and similar water injection type MOS power allocation, and the method comprises the following steps: 1, modeling a multi-carrier NOMA network system scene; 2, decomposing and mathematically describing a wireless resource allocation problem of non-orthogonal multiple access of multiple cells and multiple carriers; 3, designing a multi-objective optimization adaptation method for base station selection, sub-channel matching, unmanned aerial vehicle height optimizationand power distribution. According to the invention, after establishing a hybrid NOMA-oriented multi-cellular unmanned aerial vehicle auxiliary communication system, a user experience QoE-based unmanned aerial vehicle/base station-user-sub-channel three-dimensional matching strategy and an unmanned aerial vehicle height optimization and power distribution mode conforming to the scene are innovatively provided; by taking maximization of user experience as a final target, the problem of unreasonable resource allocation caused by blindly pursuing the maximum rate is avoided, and the wireless resource allocation efficiency based on the NOMA scene is improved.

The present invention provides a system and computer program product for implementing a smart transformer, comprising a processor, and a balancing algorithm residing on the processor, wherein the balancing algorithm is stored on a non-transitory computer readable medium having computer executable program code embodied thereon, the computer executable program code configured to cause the system to monitor and control an electric customer load and generation in order to optimize the performance of a distribution transform wherein the processor receives a plurality of system inputs and uses the balancing algorithm to determine a rating of the transformer and an amount of customer load.

The invention provides a mobile energy system which comprises that: a box type semi-trailer used for connecting with a tractor, wherein the box type semi-trailer has a case body; cell energy storage system which is provided in the case body of the box type semi-trailer. In the mobile energy system, preferably, the mobile energy system also comprises an energy storage bidirectional current transformer which is provided in the case body of the box type semi-trailer and is connected between the cell energy storage system and an external system to be connected. The mobile energy system has environment friendly performance with cleanness, no pollution, low noise and the like, construction and inconvenience problems of a present fixed charging/converting station are solved, and the system can be accessed to an intelligent micro-grid as a distributed power supply.

A system and method for packing two-dimensional data bursts in a downlink of a wireless communications system is provided. A method includes allocating resource units to users in the wireless communications system, and packing allocated resource units into rectangular bursts for transmission. The allocating is based on delay characteristics of the user and an amount of information to be transmitted to each user.

The invention relates to a method for movie recommendation on the basis of an orthogonal and cluster pruning based improved multi-objective genetic algorithm. An improved algorithm OTNSGA-II is provided aiming at defects in distributivity and convergence of NSGA-II (non-dominated sorting genetic algorithm-II) and can be used for solving various multi-objective function optimization problems. By design of fault multi-objective orthogonal experiment initialization population, distributive deficiency caused by individual nonuniformity is avoided; by application of self-adaptive cluster pruning strategies, a population evolution process is maintained, and inferior individuals in an appropriate quantity are removed to keep convergence and distributivity of the population. By combination with information mining of user behaviors and movie properties, the algorithm is applied to solving of a practical problem of personalized movie recommendation, universality and effectiveness of the algorithm are explained by test comparison with existing algorithms, better recommendation results are obtained, recommendation accuracy rate, recall rate and coverage rate are increased, rich recommendation scheme combinations are provided, and interest points of users can be mined beneficially to provide more reliable recommendation services.

The invention relates to the technical field of LTE mobile communication, and especially relates to a physical identification distribution method. The method comprises the following steps: determining an identification distribution region; determining base stations Vj in the region, connecting the base stations Vj which are in correlation so as to determine a correlation side Ek, forming a network node point-side relational graph, and generating a point-side relation matrix Ajk corresponding to the network node point-side relational graph; carrying out the relevancy calculation of all base stations according to the point-side relation matrix Ajk, and ordering the base stations Vj according to the sequence of the relevancy from the big to the small; assigning usable SSSs with different colors, ordering the SSSs from the small to the big, and sequentially distributing the PCI of all SSSs to cells corresponding to the base stations according to the order of the base stations at step 3. According to the technical scheme of the invention, the method carries out the distribution of the PCIs through the point-side relation matrix Ajk and a coloring algorithm, effectively avoids conflict, mixing and interference between the cells, and effectively improves the distribution effect of the physical cells.

The invention relates to the field of high polymer materials, and in particular relates to an ultralow-odor ultralow-emission PC/ABS alloy. The alloy is composed of the following components in parts by weight: 40-80 parts of PC, 20-50 parts of ABS, 2-10 parts of flexibilizers, 0.1-1 part of a lubricating agent, 0.1-1 part of an antioxidant, 0.1-2 parts of alcohols solvents and 0.1-2 parts of silicate porous materials. According to the alloy disclosed by the invention, the odor and high emission characteristics generated by small molecules can be removed, the odor and emission of the PC/ABS can be greatly improved, and the requirements on odor and VOC (volatile organic compounds) of interior decorating materials in various main engine plants are met.

In the thermally conductive grease of the present invention, etc., the particles of the inorganic powder have a polyhedral shape, and 0.2 to 2.0 wt% of a nonionic surfactant is added with respect to 40 to 90 volume % of the mixed powder, and 10 to 90 wt % of the nonionic surfactant is mixed. 60% by volume of base oil (resin), the mixed powder is composed of 40-90% coarse particles with an average particle diameter of 5-17 μm and 10-60% with an average particle diameter of 1/3-1/3 of the coarse particles Composed of 40 particles.

The embodiment of the invention relates to a method and a device for realizing load balancing, wherein the method for realizing load balancing comprises the following steps: receiving a data access request which comprises an address and length of to-be-accessed data; determining an access area in a logic unit corresponding to storage equipment according to the address and the length of the to-be-accessed data; if the access area is a hotspot area, distributing a fast path for the data access request. The embodiment of the invention is the fast path with better IO request distribution performance of the access hotspot area, and therefore, the IO request processing speed of the access hotspot area can be increased, and the IO request processing property is improved, thereby improving the system service quality.

The invention relates to a multi-target cutting parameter optimization method for green manufacturing. The method comprises the following steps that S1, according to the machining condition of a single working step in cutting, the cutting speed and the feeding amount serve as optimization variables, and a machining time optimization objective function, a machining greenization evaluation exponential function comprehensively considering machine tool energy consumption and cutting fluid consumption and a machining cost optimization objective function are established; S2, constraint conditions ofa multi-target cutting parameter optimization model are determined according to the performance of a numerical control machine tool and the surface machining quality requirement for a machined part;S3, the multi-target cutting parameter optimization model is constructed according to the optimization objective function in the S1 and the constraint conditions in the S2; and S4; optimization solution is carried out on the multi-target cutting parameter optimization model by utilizing an improved NSGA-II algorithm, and a Pareto optimal solution set of the multi-target cutting parameter optimization model is obtained. On the premise that smooth cutting machining is guaranteed, the resource utilization rate is increased, and negative influence on the environment is reduced.

The invention discloses a water supply pipe network multi-objective optimization regulation and control method based on scene uncertainty, and belongs to the field of water supply pipe network intelligent regulation and control. The method comprises the following steps of firstly, creating a multi-objective optimization mathematical model; secondly, quantifying uncertainty parameters in the multi-objective optimization mathematical model by adopting a Latin hypercube sampling technology LHS; thirdly, performing optimization solution on the multi-objective optimization mathematical model; and finally, removing repeated solutions in the total solution set, performing random sampling on the uncertainty parameters by adopting a Monte Carlo sampling technology, performing individual sorting byadopting an improved non-dominated sorting criterion, outputting individuals with the highest sorting hierarchy in the total solution set one by one, and extracting a decision scheme. According to theinvention, several new improvement measures are provided on the basis of the RNSGA-II algorithm. The invention is advantaged in that statistics evaluation accuracy is guaranteed, algorithm solution distribution and convergence are substantially improved, based on the decision scheme set, the visual multi-objective optimization balancing result can be provided for management personnel, scientific,safe and reliable decision support is assisted, and intelligent regulation and control management of the water supply network is promoted.

The invention discloses an improved NSGA-II algorithm-based modular scheduling method of emergency response materials. The method includes: 1, generating an initial population and genetic variables thereof according to constraint conditions; 2, carrying out crossover and heredity on the population to generate a child population; 3, merging the parent population and the child population, and carrying out fast non-dominated sorting on a merged population; 4, calculating a chromosome neighborhood set, and adopting an elimination mechanisms to select a new parent population; 5, repeating the step2, the step 3 and the step 4 until maximum iteration frequency is reached; and 6, selecting all non-dominated solutions of a population to use the same as optimal scheduling schemes. According to themethod, the optimal schemes of modular scheduling of the rescue materials can be obtained, thus rescue costs can be reduced, rescue efficiency can be improved, and timely effective developing of rescue work can be guaranteed.

The invention relates to a method for purifying waste gases during medical waste incineration and aims at providing an effective process. According to the method, the acidic materials, solid particles and heavy metals contained in the medical waste incineration flue gas are removed, and clean emission of the flue gas is realized. The method specifically comprises a wet absorption step and a dry dedusting step, wherein the wet absorption step is a procedure of absorbing the acidic materials in the flue gas by adopting an absorbing tower; and the dry dedusting step is a procedure of removing the solid particles and heavy metals by adopting a dust remover.

The invention provides an intake manifold capable of improving distribution property of suction for each suction manifold. The intake manifold (10) comprises a stable pressure tank (11) for temporarily storing suction; a plurality of the bent suction manifold (13) for connecting the stable pressure tank (11) with each air cylinder of an engine; an engine mounting flange (18) arranged at front of each suction manifold (13) in order that the suction manifolds (13) are mounted on the engine; an air damper mounting part (15) arranged nearby the engine mounting flange (18) in order to mount an airdamper device; an air suction pipe (12) used for connecting the air damper mounting part (15) with the stable pressure tank (11).

The invention relates to a radial piston rolling ball type hydraulic motor in an end face valve pair. The hydraulic motor comprises a waterway block 6, a shuttle valve 35, a valve plate 5, a rotor 4, a stator 1, a piston 3, a rolling ball 2, a thrust ring 22, a lip-shaped sealing ring 26 and a right end cover 24, wherein the shuttle valve 35 is arranged on the waterway block 6; the waterway block 6 is arranged on the valve plate 5; the rotor 4 is arranged on an extending shaft of the valve plate 5; the thrust ring 22 is arranged between the rotor 4 and the right end cover 24; the valve plate 5, the stator 1 and the right end cover 24 are assembled into a whole; and an inner curved surface 18 of the stator 1 has a compound curve structure which is combined with Archimedes spiral according to constant acceleration, constant deceleration. Due to the adoption of the end face valve, the invention has the characteristics that: the hydraulic motor has a compact structure, fewer friction pairs, light weight, stable work, wide speed regulating range and balanced static force on a supporting shaft, easily realizes low speed and high torque, and the like, and the hydraulic motor is particularly suitable for water hydraulic transmission.

The invention discloses a preparation method for organic nano-silicon oxide adsorption material, which consists of the following steps: 1) a cation surface active agent is dissolved into water to prepare surface active agent solution, then the nano-silicon oxide is poured into the surface active agent solution; the surface active agent solution comprises the cation surface active agent, wherein, the mass percent of the cation surface active agent is 1-20 percent, the mass ratio between the nano-silicon oxide and the surface active agent solution is 1:5-1:100; 2) the mixing solution is stirred at a constant temperature of 20-80 DEG C for 2-24 hours and then is filtrated and washed by distilled water twice; 3) filtrated solid is dried at the temperature of 50-90 DEG C and is activated at the temperature of 105 DEG C for 30 minutes to 5 hours; 4) dried active product is grinded and passes 100 mesh sieve to prepare organic modification nano-silicon oxide adsorption material. The organic modification nano-silicon oxide adsorption material prepared by the invention increases hydrophobic nature, the content of organic carbon and settlement property in water, greatly improves the adsorption ability of organic contamination in water and can be popularized and used in organic wastewater treatment and waste landfill anti-seepage additive materials, etc.

The invention relates to a multilevel relation management method and a platform for credit money allocation. The method comprises steps: through analyzing the credit value of an enterprise which is about to access the platform, the enterprise is marked as a core enterprise, and according to a protocol channel, an upper-lower enterprise relation between the core enterprise and a first invited enterprise is built; an upper-lower enterprise relation between the first invited enterprise and a second invited enterprise is built; the total credit money amount value is pre-allocated to the core enterprise, and allocation of the credit money amount value is carried out on other enterprises which access the platform according to the protocol channel. Through building the upper-lower enterprise relation, the allocation of the credit money amount value between upper and lower levels of enterprises is managed, the risk control ability is improved, the credit risks are reduced, the supervision strength is enhanced, the credit money amount allocation ability is further improved, and interests and needs of the enterprise are met.

The invention discloses a multi-inlet gas-liquid two-phase cyclone feeding downward-spray atomizing nozzle, and can effectively avoid the problems, such as coarse atomization particle size, material center convergence and low distribution uniformity degree, existing in an existing structure. A basic principle is to promote the atomization and dispersion of liquid-phase materials by strengthening the shearing action between gas and liquid phases. The multi-inlet gas-liquid two-phase cyclone feeding downward-spray atomizing nozzle is mainly composed of a top liquid-phase inlet (1), a tangentialliquid-phase inlet (2), a tangential gas-phase inlet (3), a gas-liquid two-phase mixing chamber (4), and a scaled nozzle body (5); the top liquid-phase inlet (1) is eccentrically welded on the top ofthe gas-liquid two-phase mixing chamber (4); the tangential gas-phase inlet (3) is eccentrically welded on one side of the gas-liquid two-phase mixing chamber (4); the tangential liquid-phase inlet (2) is eccentrically welded on the other side of the gas-liquid two-phase mixing chamber (4); the scaled nozzle body (5) is integrally processed with the gas-liquid two-phase mixing chamber (4). The multi-inlet gas-liquid two-phase cyclone feeding downward-spray atomizing nozzle disclosed by the invention can well achieve the atomization and dispersion of the liquid-phase materials, so that the materials are more evenly distributed in the catalyst bed of a fixed bed reactor.