216results about How to "Guaranteed to maximize" patented technology

The invention discloses a micro-alloying tin-zinc eutectic alloy tinless solder that the main constituent is Sn-Zn eutectic alloy, Zn is 8-10wt% and the rest is Sn, adding one or the complex from Ga, P, Al, Ge, and Mg, the content of single alloy element is below 0.1%. The invention extremely maintains the feature of Sn-Zn eutectic alloy, and has the advantages of strong oxidation resistance, simple constituents, easy to recycle, etc.

The invention provides an active distribution network dynamic planning method. The method comprises the following steps: S1, establishing a demand side load power prediction model, a distributed powersupply power prediction model and a charging and discharging model of an energy storage system; S2, establishing an objective function with maximum social comprehensive economic benefits according tothe demand side load power prediction model, the distributed power supply power prediction model and the charging and discharging model of the energy storage system; S3, planning an energy storage system of the active power distribution network by adopting a chaotic particle swarm hierarchical optimization algorithm, and obtaining the optimal position and power of each energy storage system; andS4, obtaining a charging and discharging strategy of each energy storage system according to the optimal position and power of each energy storage system. The economical efficiency, reliability and stability of the power distribution network are comprehensively considered, and the optimization effect of demand side management and energy storage batteries on the active power distribution network isconsidered. And the stability and the reliability of the power distribution network are considered while the maximization of economic benefits of operators is ensured.

The invention discloses a method for dynamically generating the denomination of coupons in a supermarket, which includes: the merchant formulates the quantity of coupons to be distributed and the total amount of coupons according to the marketing strategy; The historical usage rate of issued coupons, and statistics of sales and calculation of the income under the current discount based on sales; based on the number of issued coupons, the total amount of issued coupons, the historical usage rate of issued coupons, and sales and revenue, use big data algorithms to recalculate the value range of each coupon face value; analyze the consumer's recent consumption behavior through artificial intelligence algorithms, and within the recalculated value range of each coupon face value, Automatic matching calculates the most suitable coupon denomination for the consumer. The invention automatically changes the face value of coupons according to the market reaction and income situation, so as to ensure the maximization of income.

The invention discloses a GPU box PCIE extended interconnection topology device. The device comprises a GPU box, wherein the GPU box comprises eight groups of interconnected GPUs, a CPU server connected with the GPUs and a PCIE switch module; the PCIE switch module installs a high-speed interconnected cable card through a PCIE slot to realize interconnection among different GPU boxes; the GPUs areconnected through the PCIE switch module; the CPU server is connected with the GPU box through a PCIE link; the PCIE switch module extends the PCIE link into eight groups of PCIE X16 links to realizeconnection between the CPU server and the eight groups of GPUs. Through the device, independent design of a standard PCIE interface GPU box is realized, maximization of GPU performance is guaranteed,transmission delay is short, extensibility is good, flexible configuration and matching usage can be realized, and GPU box design needed for high performance and artificial intelligence is provided.

The present invention relates to a dual-path road network individuation inductivity distribution method under a user equalization principle. The method comprises the following steps: 1) aiming at a regulated dual-path road network, performing statistics of road network basic parameters; 2) based on the GreenShields model and the traffic flow theory, solving an optimal separation rate under an ideal condition according to the road network basic parameters to optimize the whole traffic flow of the road network; 3) under the constraint condition of the whole optimal road network, establishing the basic constrained condition of an individuation induction distribution strategy according to the proportion of an individual vehicle historical driving optimal paths; 4) establishing the concept of the vehicle priority, and calculating the individuation induction rate distribution value under the known condition of the vehicle priority through adoption of the equal difference distribution principle according to the concept; and 5) according to the distribution principle determined in the step 4) and the probability distribution of the vehicle historical optimal ratio, distributing the induction information. The dual-path road network individuation inductivity distribution method under the user equalization principle satisfies the user equalization principle to the utmost extent under the probability meaning to ensure the fairness of vehicle induction acceptance.

The invention provides mining lamp phase change liquid. The mining lamp phase change liquid is prepared from the following ingredients in parts by weight: 5-80 parts of water, 15-80 parts of anhydrous ethanol and 1-15 parts of edible vegetable oil. The boiling point of the mining lamp phase change liquid is only 45 DEG C, so that the timely release of heat of a mining lamp is guaranteed, and the phenomena of dead lamp, large light decay and the like can not occur. The invention further provides a mining lamp change phase heat radiator using the phase change liquid, wherein the heat radiator comprises a body, a heat conduction plate, a sealing cover plate, a liquid injection tube and the phase change liquid, the middle of the body is provided with a cavity, the two ends of the cavity are respectively connected with the heat conduction plate and the sealing cover plate, the cross section of the heat conduction plate is shaped like the Chinese character 'tu' (shown in a drawing), a protruding portion of the heat conduction plate is tightly connected with the internal wall of the cavity of the body, the bottom portion of the heat conduction plate is connected with the exterior of the body, the liquid injection tube is arranged on the sealing cover plate, and the phase change liquid is filled in the cavity of the body. According to the heat radiator, through arranging a hollow phase change cavity structure, the working area is effectively increased, the heat conducting passage is enlarged, higher power can be realized in the case of the same material and the same volume, and the production cost is reduced.

The invention discloses a continuous casting billet cutting control system and a control method thereof. By utilizing the data, such as a sheet hot rolling outgoing direction long billet command, a thick plate rolling machine outgoing direction short billet command and a heat pouring process tracking signal, an optimized cutting method which is compatible with two outgoing direction command specifications and is used for a long billet in a scope of a casting machine is provided to control a continuous casting online cutting machine to perform online one-time cutting, so that aims of reducing cutting loss, and supporting hot rolling and thick plate outgoing direction heat -CAST pouring are achieved; and therefore, the maximization and the optimization of the efficiency of the casting machine are ensured. The continuous casting billet cutting control system is friendly to a user interface and consistent in interface; and calculating results of two types of outgoing direction models canbe seen in a picture by an operator without switching between two pictures, so that the operation interface friendliness is improved.

The invention discloses a radio frequency coaxial connector assembly suitable for blind matching and capable of allowing insertion offset. The radio frequency coaxial connector assembly comprises an escapement connector, an optical hole connector and an adaptor; the escapement connector comprises an escapement outer conductor, an escapement inner conductor and an escapement insulator; the adaptorcomprises a circular tubular adaptor outer conductor, an adaptor inner conductor and two adaptor insulators, wherein the two adaptor insulators are mounted in two end inner holes of the adaptor outerconductor respectively; each adaptor insulator is a hollow cylinder with an inner hole; a plurality of blind holes which extend in the axial direction are uniformly distributed in the cylinder body inthe circumferential direction of each adaptor insulator; the blind holes of the two adaptor insulators are arranged oppositely and positioned in the inner sides of the two end inner holes of the adaptor outer conductor; and the adaptor inner conductor is mounted in the inner holes of the two adaptor insulators. By virtue of the radio frequency coaxial connector assembly, the impedance in the connector interconnection interface part can be matched mutually, relatively high axial and radial offset is allowed, radio frequency electrical performance is improved, and signal transmission quality isimproved.

The invention provides a multi-level printing system control method based on optimum ink utilization. The multi-level printing system control method comprises the following steps that (A) color separation is conducted on a chromaticity (Lab) image of a chromaticity (Lab) color space, and a second digital image of a 4+N channel digital image is obtained through conversion; (B) the second digital image is converted into a third digital image and a net point level description file through a net point level conversion model; (C) screening is conducted on the third digital image through a second-level screening method, and a 1-bit label image file format file is obtained after screening; (D) consolidation is conducted on the 1-bit label image file format file and the net point level description file, and N grayscale label image file format images are obtained; (E) information of the grayscale label image file format images is converted into a printing system control instruction through the printing system description language, and output of a printing system is controlled.

The invention relates to the field of laser cutting devices, in particular to a central support for laser pipe cutting. The outer ring of a large-through-hole bearing is fixed to a fixing base. A frameless motor is arranged on one side of the large-through-hole bearing. A slip ring is arranged on the other side of the large-through-hole bearing. A rotor of the frameless motor, the inner ring of the large-through-hole bearing and a rotary slip ring body of the slip ring are connected in sequence and have the same rotation axis. An idler wheel connecting disk is fixed to the rotating slip ring body, and the rotation axes of the idler wheel connecting disk and the rotating slip ring body are identical. Two pairs of parallel guide rails are arranged on the other side of the idler wheel connecting disk, wherein the two pairs of parallel guide rails are perpendicular to each other. Each pair of parallel guide rails is movably provided with two sliding plates. Each sliding plate is provided with an idler wheel. The four idler wheels face the rotation axis of the idler wheel connecting disk. Each idler wheel is connected with a stepping motor. The frameless motor and the stepping motors are connected with an externally arranged controller. By the adoption of the central support for laser pipe cutting, stable and synchronous rotation of the pipes can be achieved; the central support is suitable for supporting various pipes, and the cutting precision is high.

The invention discloses an intelligent diagnosis and offline cleaning service SaaS platform of a distributed photovoltaic system. The platform comprises data acquisition modules, data transmission modules, an operation and maintenance database and a cleaning management module; each independent distributed photovoltaic system is allocated with one data acquisition module; each data acquisition module is used for collecting monitoring data of the distributed photovoltaic system; each data transmission module is used for uploading the monitoring data to a network server; the operation and maintenance database is used for storing the monitoring data; and the cleaning management module is used for performing judgment and analysis on the monitoring data, and analyzing whether the distributed photovoltaic system corresponding to the monitoring group is in an abnormal state or not and judging whether the abnormal state refers to a cleaning problem or not, and if so, a corresponding cleaning solution is proposed. By virtue of the intelligent diagnosis and offline cleaning service SaaS platform, the cleaning efficiency of a small-sized distributed power station and a power generation system can be improved, and the power generation benefits of small and micro photovoltaic users can be safeguarded.

The invention relates to the technical field of waste mineral oil, and particularly relates to a waste mineral oil treatment process. The treatment process comprises the following treatment steps of firstly, eliminating impurities; secondly, settling; thirdly, taking the upper layer of waste oil; fourthly, filtering under pressure; fifthly, flash vaporizing; sixthly, membrane filtering; and seventhly, cycling thick liquid. The waste mineral oil treatment process can ensure the quality of back-end oil and can prolong the service life of membranes.

The invention discloses a no-residual vertical type household noodle maker which comprises a motor base, a motor arranged in the motor base, a stirring cup arranged above the motor base, a stirring rod and a dough extruding cylinder arranged in the stirring cup, a screw rod arranged in the dough extruding cylinder and a die head arranged on the end part of the dough extruding cylinder, wherein the dough extruding cylinder is horizontally arranged on one side below the stirring cup and consists of a material advancing cavity and an extrusion cavity, the motor drives the screw rod and the stirring rod to move, wherein a dough inlet communicated with the dough extruding cylinder is formed in the position of the bottom of the stirring cup, far away from the center, the material advancing cavity extends upwards and is intersected with the bottom of the stirring cup to form the dough inlet, and the dough inlet horizontally extends to the direction of the dough extruding cylinder along the bottom of the stirring cup, and extends to the side wall of the stirring cup. By adopting the technical scheme, the area of the dough inlet is largest, so that dough feeding is facilitated, residuals of dough in the stirring cavity can be avoided, and the stirring cavity and the stirring rod are conveniently cleaned.

It is an object of the present application to provide an on-line course teaching assisting method and a computer apparatus, the computer device generates the focus information of the target student based on the motion detection information about the target student in a course period sent by the target user device, determining first evaluation information based on first feedback information sent bythe target user equipment during the course period, determining second evaluation information based on second feedback information sent by the target user equipment after the course period, and determining overall evaluation information of the target student based on the focus information, the first evaluation information and the second evaluation information. This application can take into account the feedback from the students, so that the enterprise can ensure the learning efficiency of the students and the service quality of online education in the case of large-scale operation.

The invention discloses a design method of a molten iron KR desulfurization stirrer, which comprises the following steps: firstly, calculating the molten iron depth of a molten iron tank according tothe average diameter D and the rated maximum molten iron loading capacity of the molten iron tank; calculating to obtain the impeller diameter and the blade effective height b of the new stirrer, andthen calculating the structural parameters of the new stirrer; according to the maximum allowable rotating speed of the stirrer to be offline and the stirring rotating speed of the new stirrer, determining the stirring rotating speed regulation and control range of the stirring device; checking and correcting the maximum loading capacity of the fixed molten iron tank; calculating theoretical stirring power and model selection determination of the new stirrer according to related parameters of the new stirrer; and carrying out empirical correction on the structural size of the new stirrer. According to the invention, through water model tests of stirrers with different blade structures and blade numbers and statistical analysis of industrial application data, an empirical correction methodof the blade number and the blade structures is determined, and optimal stirring, mixing and dispersing effects and KR desulfurization reaction dynamic conditions of stirrers with different structuresare ensured.

The invention discloses a blackbody material and an energy-saving radiation cup made of such blackbody material, belonging to the technical field of energy-saving material. The blackbody material is composed of the following constituents according to percentage by weight: 95% of silicon carbide, 0.5% of iron trioxide, 0.5% of manganese dioxide and 4% of aluminum oxide. The energy-saving radiation cup comprises a cup body and a cup bottom, wherein the cup body is in the shape of a straight cylinder, the middle of the cup body is a hollow cavity, the part of the hollow cavity close to the cup bottom is spherical, and the section of the outlet of the hollow cavity is trapezoidal; an arc groove is arranged on the cup bottom plane. The blackbody material provided by the invention has the advantages of greatly reducing heating-up time of hearth and improving the uniformity of hearth temperature, improving the capacity of industrial kilns and industrial boilers, and saving fuel, wherein the energy saving rate can be 7%-20%.

The invention discloses a silicon wafer edge processing technology for a gallium nitride epitaxy. The silicon wafer edge processing technology comprises the steps of slicing silicon single crystal, carrying out the first rough chamfering through a 1000-mesh grinding wheel to remove damages caused by edge slicing, then carrying out grinding and corrosion to enable the silicon wafer to have good edge quality; protecting the surface by back-sealing silicon dioxide, avoiding surface damages and contamination caused by a sucker and a grinding wheel during the second chamfering, and also releasing the edge stress during the high temperature process at the same time; and carrying out the second precise chamfering by adopting a 2000-mesh grinding wheel so as to maximize the chamfering area and have a finer surface, carrying out light corrosion through a 50% potassium hydroxide solution to remove the surface damages and edge stress and obtain the best chamfering edge quality. The silicon waferedge processing technology is simple and easy to implement, and can effectively improve the quality of a chamfering edge region of the silicon single crystal polished wafer.

The invention discloses a high-dimension space-time field data real-time transmission method under limited network bandwidth constraint. According to the method, data is organized through utilizationof a tensor structure; through comprehensive assessment on to-be-transmitted data and a transmission network environment, a reasonable tensor hierarchical policy and a tensor compression parameter areselected; a new hierarchical tensor compression structure is defined; and on the basis of the compression structure, a data compression and streaming transmission method adaptive to the network environment is established. Tensor dynamic addition and on-demand reconstruction mechanisms are designed at a data receiving client, so the occupation for a client memory and system resources is greatly reduced. Through utilization of case data, the process is verified. A result shows that the method is characterized by real-time transmission and high precision. A high-dimension and massive data real-time transmission demand under the limited network bandwidth environment is satisfied.

The invention provides an investment data management method and apparatus. The method comprises the steps of obtaining characteristic parameters of a to-be-assessed investment product; based on historical income data of the to-be-assessed investment product and eigenvalues of the characteristic parameters, performing training to obtain an income prediction model; based on the income prediction model obtained by training, predicting expected incomes of the to-be-assessed investment product in a future preset time period; inputting deviation information between the expected incomes and actual incomes to a pre-trained investment suggestion model, thereby obtaining user investment suggestions corresponding to the to-be-assessed investment product; and feeding back the user investment suggestions to a user terminal. While the labor cost is reduced, the investment maximization is further ensured; the practicality is higher; the investment suggestions can be timely provided for users; and theusage experience is relatively good.

The invention discloses a method for energy-efficient transmission of robustness in a cognitive network. According to the method for energy-efficient transmission of the robustness in the cognitive network, channel state information of relevant channels is measured through the receiving end of a secondary user and is fed back to the sending end of the secondary user; the sending end of the secondary user carries out measurement multiple times to determine an uncertain set of the gain of each channel; the secondary user establishes a model according to a robustness optimizing method to maximize secondary user energy efficiency; the poorest channel gain is solved, and a service quality requirement constraint of a main user is converted into a convex constraint; the optimal sending power is solved according to a power distribution algorithm, transmission is carried out on each channel according to the optimal sending power, and the optimal transmission power of the robustness is solved when the channel state information is uncertain. The method for energy-efficient transmission of the robustness in the cognitive network can be used for cognitive network communication and has the advantages that the maximization of the energy efficiency of the secondary user is guaranteed under the circumstance that the channel state information is uncertain, interference power at the receiving end of the main user is strictly controlled, the service quality of the main user is guaranteed, and negative influence of the uncertainty of the channel state information on the performance of the cognitive network is effectively eliminated.

The invention discloses an energy conservation potential evaluation method for power grid contract energy management projects. Firstly, a typical energy conservation scheme library including operation parameters of all power grid devices in the contract energy management projects is built; then, each power parameter of each power grid device in a to-be-reformed project is acquired; according to the each power parameter during operation of each power grid device, initial selection is carried out on each power grid device, power grid devices with energy conservation potentials are selected, a power grid with a large energy conservation potential is selected to be substituted to the typical energy conservation scheme library, and an energy conservation quantitative diagnosis model is generated; and finally, according to the energy conservation quantitative diagnosis model, energy conservation benefit comprehensive analysis is carried out on the power grid devices, and a project with a large energy conservation potential is selected as the energy conservation prophase project. The method of the invention can be applied to various change conditions of an energy consumption unit, an energy conservation potential evaluation result can be given more quickly and reasonably, and the service risks of an energy conservation service company are reduced.

The invention discloses a multi-way pipe connector. The multi-way pipe connector comprises a regular-polygonal fluid converter. Pipe connector bodies are integrally connected to the side faces where all the edges of the fluid converter are located correspondingly. Each pipe connector body is composed of a pipe connector base, a plurality of threaded pipes and a pipe cap, wherein the outer diameters of the threaded pipes are decreased sequentially; the pipe connector base is fixed to the fluid converter and is in through connection with the fluid converter; the threaded pipes are connected in a mutually sleeving mode in the outer diameter progressively-decreasing sequence; the threaded pipe with the largest outer diameter is connected with the pipe connector base in a sleeved mode; the pipe cap connected with the pipe connector base in a sealing mode is arranged on the pipe connector base. According to the multi-way pipe connector, on the premise that the production cost is reduced, the pipe connector can serve as a one-way pipe connector, a two-way pipe connector, a three-way pipe connector and the like, and flexible conversion between multi-way pipe connectors can be achieved; different flows can be regulated flexibly and rapidly, the structure is simplified, the manufacturing cost is low, and the application range is wide.