197results about How to "Requirements meet" patented technology

The invention relates to a 3D printing forming method for a metal dental restoration. The method includes the steps of three-dimensional scanning, wherein three-dimensional data of an oral cavity of a patient is obtained; three-dimensional designing, wherein the appearance of the restoration is designed and derived according to the three-dimensional data; data processing, wherein a derived restoration model is at least subjected to data checking and repairing, position arranging, support adding, slicing and scanning strategy planning to obtain data suitable for 3D printing; 3D printing forming, wherein through a metal 3D printing device for selective laser welding, with micron-scale spherical metal powder as the material, the metal powder of each layer of section region of a forming substrate is melted through the laser scanning of the 3D printing device, and then a metal part is obtained through layer-by-layer overlapping; part processing, wherein the metal restoration is obtained through later-period processing. Lots of labor is saved, personal errors are reduced, the restoration is high in forming precision and good in fitting degree, and the manufacturing cycle of the restoration is greatly shortened.

The present invention relates to a PCR-RFLP identification method for 7 kinds of Chinese south inshore oysters. Said identification method includes the following several main steps: making genome DNA extraction, PCR amplification of object fragment, selecting proper incision enzyme combination, utilizing selected incision enzyme to enzyme-cut the PCR product and utilizing agarose gel electrophoresis to make detection.

The invention provides an XML-based (extensible markup language) retrieval method oriented to the constraint on integrated paths of a large amount of small-size XML documents. The innovative XML-based retrieval method comprises the following steps: using the keywords subject to the path constraint in an XPath form as a way for a user to submit a query, so that the user can express the requirements for the query in an easier and more accurate way; providing a novel retrieval ranking model subject to the path constraint, wherein by making full use of the characteristic of the structural layer of an XML document, the retrieval ranking model based on the conventional VSM (vector space model) can skillfully apply the N-Gram idea to the matching calculation of the path constraint, thus acquiring the degree of correlation between the document and the query of the user; and finally sequencing the documents according to the degree of correlation. The technical scheme provided by the invention for retrieving the XML documents can accurately express the requirements of a user for queries, and calculate the degree of correlation between the document and the query of the user by making full use of the path constraint of the XML document; and the retrieval result obtained by the technical scheme of the invention can better meet requirements of the user. Therefore, XML-based retrieval method is applicable to the field of retrieval of XML documents and databases.

A layered and refined electronic kanban system, which is composed of a server, a database and a client. The server is connected to the database, and the client is connected to the server through the network. The client is equipped with a display device, and the server runs a data interaction program. The data interaction program There are a time axis display module, a kanban operation module and a kanban adjustment module. The time axis display module is used to display the continuous time axis, and the kanban operation module is used to obtain the required data from the database, and the progress of each task of the project to be displayed The time data is transformed into the length of the corresponding time axis, and the vml-based electronic kanban is displayed, and the kanban adjustment module is used to judge whether the actual business process has changed, and when the change is found, according to the actual task node of the latest business process, relative to the time axis Reorder and display related boards via the client's display device. The invention effectively improves the utilization rate of the system by the administrator. The display of project progress is well organized.

The invention belongs to the technical field of semiconductor thin film transistor preparation, and relates to a preparation method for a water solution thin film transistor. Firstly, yttrium nitrate is dissolved in deionized water, and a zirconia precursor solution is formed by magnetic force mixing; then, the surface of a low resistance silicon base is cleaned, and is coated with the precursor solution in a rotation manner; a Y2O3 film sample is obtained through baking and low temperature annealing; zinc nitrate and indium nitrate are respectively dissolved in deionized water, and an IZO water solution is formed through mixing; the Y2O3 film surface is coated with the IZO water solution in a rotation manner, is subjected to solidification treatment and low temperature annealing, so that an IZO gutter channel layer is obtained; finally, the vacuum thermal evaporation technology is adopted to prepare a metal source and an electric leakage pole on the IZO gutter channel layer, and the water solution thin film transistor based on ultrathin Y2O3 and high K dielectric layer is obtained. The overall embodiment is low in price; the technology is simple, the principle is reliable, the product performance is good, the preparation is environment-friendly, and the application prospect is wide.

An embodiment of the invention discloses a virtual item generation method. The method comprises: obtaining historical sample data uploaded by a terminal, wherein the historical sample data comprises an item use condition parameter and an original generation parameter corresponding to the use condition parameter; calculating an evaluation reference value of a virtual item according to the historical sample data, wherein the evaluation reference value is matched with the original generation parameter; judging whether the evaluation reference value meets a preset value or not, and if not, performing calculation to obtain a target generation parameter through a preset machine learning algorithm according to the historical sample data and the evaluation reference value; and sending the target generation parameter to the terminal, so that the terminal, according to the target generation parameter, generates a target virtual item corresponding to the target generation parameter. In addition, a virtual item generation apparatus is furthermore provided. With the adoption of the method and the apparatus, the scientificity and effectiveness of item generation can be improved.

The invention discloses a demand response uncertainty-considered photovoltaic micro-grid battery energy storage configuration method. The method comprises the following steps of: (1) establishing a load self-elasticity coefficient-based demand response amount triangular fuzzy model under a day-ahead time-of-use electricity price; (2) establishing a day-ahead time-of-use electricity price optimization model; (3) establishing a demand response uncertainty-considered energy storage system optimization configuration model on the basis of the triangular fuzzy model and the day-ahead time-of-use electricity price optimization model; and (4) respectively converting a fuzzy optimistic value expression, a fuzzy pessimistic value expression and a fuzzy chance constraint in the energy storage system optimization configuration model into clear equivalent forms and carrying out solving to obtain a grid-connected photovoltaic micro-grid battery energy storage configuration scheme. According to the method, the complicated programming process and relatively long optimizing time when solving is carried out by adoption of a simulation method are avoided, the demands, for energy storage system configuration scales, of photovoltaic micro-grids are reduced by applying a demand response technology, and influences of the demand response uncertainty are considered, so that the method more accords with the demands of actual systems.

The invention provides a document classification method and apparatus. The method comprises the steps of obtaining a plurality of training documents and determining a type corresponding to each training document; according to the training document corresponding to each type, determining an eigenvector of each type, wherein the eigenvector comprises word strings occurring in the corresponding current type and an occurrence probability of each word string in the current type; obtaining a current to-be-classified document and extracting a matched eigenvector of the current to-be-classified document from the current to-be-classified document, wherein the matched eigenvector comprises to-be-matched word strings occurring in the current to-be-classified document; according to the to-be-matched word strings in the matched eigenvector and the occurrence probability in the eigenvector of each type, determining the similarity between the matched eigenvector and the eigenvector of each type; and taking a type corresponding to an eigenvector with the highest similarity as the type of the current to-be-classified document. According to the document classification method and apparatus provided by the invention, the document classification can be performed more flexibly.

The invention discloses a new application of cloud computing in cross-border e-commerce, including a cloud computing system and a cross-border e-commerce system. The cloud computing system includes a cloud computing center, a cloud base station, and a client. The cloud computing center Several cloud base stations are connected, and each cloud base station is connected with several clients, and the cloud computing center is connected with a control module and an application management module; the cross-border e-commerce system includes a display system, a translation and search system, and an order processing system and power system. The cloud computing system of the present invention adjusts the cloud computing scheme by determining the data processing level required for computing applications, and then transmits it to the cloud computing center for cloud computing data processing in a corresponding manner, and the processed data results are fed back to the cross-border e-commerce The merchant system enables merchants to understand customer needs in a timely manner according to the processed data, and realizes one-stop overseas shopping for commodities, which facilitates users to browse commodities, simplifies the weighing and payment process of commodities, and saves delivery time.

The invention provides a preparation method of battery-grade lithium carbonate. The preparation method comprises the steps: roasting lithionite, sodium sulfate and limestone by using a sulfate method,evaporating and concentrating a leachate, adding sodium carbonate, carrying out primary lithium sedimentation, and then, carrying out cooling to separate out sodium; and then, carrying out secondarylithium sedimentation. After a purified liquid is subjected to the primary lithium sedimentation and the secondary lithium sedimentation, the total recovery rate of lithium is high, and the requirement of battery-grade lithium carbonate is met. The method provided by the invention is capable of not only increasing the lithium sedimentation efficiency, but also reducing the loss of lithium in a sodium separation process during lithium sedimentation and sodium separation, simple in operation and high in safety.

The invention discloses a bolt fastening system and an achieving method thereof. The bolt fastening system mainly solves the technical problems that in the prior art, the effective bolt locking force accuracy is low, the locking parameters cannot be recorded, and the bolt locking reliability cannot be guaranteed. The bolt fastening system comprises a torque wrench and is characterized by further comprising a detecting device, a controller, a data storer, a printing machine and an industrial control touch panel. The detecting device is arranged on the torque wrench and used for measuring a rotation angle when the torque wrench fastens a bolt, the controller is used for analyzing the rotating angle detected by the detecting device to obtain bolt locking rotating angle parameters, and the data storer, the printing machine and the industrial control touch panel are respectively connected with the controller. By means of the technical scheme, the bolt fastening system achieves the purpose of being higher in accuracy, stronger in reliability and higher in practical value and popularizing valve.

The invention provides a method for producing high-quality calcium alginate in order to solve the problems of the current method for producing the calcium alginate. The method provided by the invention is simple, easy to operate and suitable for industrial production. A calcium alginate product produced by the method has white color, the content can be up to 100 to 104 percent (in dry basis), the content of lead is less than 4mg/kg, the content of arsenic is less than 2mg/kg, the total amount of infectious microbe is less than or equal to 1,000cfu/g, the total amount of mould and saccharomycetes is less than or equal to 1,00cfu/g, coliform is not detected, the content of phosphonium ion is less than or equal to 0.05 percent, the content of sulfion is less than or equal to 0.25 percent and the content of chloridion is less than or equal to 0.2 percent. The product is easy to crush and low in loss, and the yield of the product is increased, so that the defect of the prior art is effectively overcome.

The invention discloses a data analysis report generation system which comprises a data import module, a user demand receiving module and a report generation module, wherein the data import module is used for importing source data of a data analysis report; the user demand receiving module is used for receiving personalized demands of a user; and the report generation module is used for screening the source data according to default settings or the personalized demands to obtain screened data and generating the analysis report according to the screened data. The report is generated according to the default settings at first, then the personalized demands of the user are received, and the report is regenerated according to the personalized demands. The invention discloses a data analysis report generation method. With the adoption of the data analysis report generation method and system disclosed by embodiments of the invention, the report system can correspondingly change display content or form of the report according to the personalized demands of the user, and the generated report is diversified in form and good in readability and meets the demands of the user.

The invention discloses a multi-heat-source heating system utilizing solar energy. The multi-heat-source heating system comprises an air source heat pump, a radiator, a radiator water inlet pipe and a radiator water return pipe, and further comprises a solar heat collector, a high expansion non-pressure water tank, a heat exchange high-pressure water tank and a solar heat collector electric supplement system. A heat collector water outlet pipe and a heat collector water return pipe are arranged between the solar heat collector and the high expansion non-pressure water tank. An expansion water tank water return pipe and an expansion water tank water inlet pipe are arranged between the high expansion non-pressure water tank and the heat exchange high-pressure water tank. An air source heat pump water inlet pipe and an air source heat pump water return pipe are arranged between the air source heat pump and the heat exchange high-pressure water tank. The radiator water inlet pipe and the radiator water return pipe are both connected with the heat exchange high-pressure water tank. The solar heat collector electric supplement system is arranged on the radiator water inlet pipe. A new idea is provided for rural-urban continuums without urban heat supply pipeline networks and natural gas pipeline networks and engineering construction temporary heating, and references are provided for new energy development, environment protection and sustainable development paths of China.

The invention discloses a life service information recommendation method and apparatus. The method comprises the steps of obtaining a current customer quantity in a place providing life services; determining a change rate of the current customer quantity according to customer quantities corresponding to different moments in the place; determining recommendation information according to the current customer quantity and the change rate of the current customer quantity; and pushing the recommendation information to a user. According to the scheme, the recommendation information better meets user demands, the usage value of the recommendation information is increased, and the offline experience of the user is improved.

The invention provides a high-performance clutch plate for a heavy truck. The high-performance clutch plate for the heavy truck achieves the technical purposes of being novel in structure, reasonable in material formula and balanced and excellent in performance index, cost and application effect. The high-performance clutch plate for the heavy truck is divided into a friction working layer and a structural layer. The friction working layer comprises at least three friction linings made of different materials. The three friction linings made of the different materials comprise the rubber-based friction linings, the substitute rubber FA friction linings and the ceramic fiber friction linings, all of which are of the same thickness. The high-performance clutch plate has the following beneficial effects that due to the fact that the rubber-based friction linings, the ceramic fiber friction linings and the substitute rubber FA friction linings are arranged on the surface of the structural layer in a mixed manner, in clutch operation of the clutch plate, the characteristics of the three different materials can be brought into play, when the clutch plate is applied to a clutch mechanism of the heavy truck, friction force resistant to attenuation and stable at high temperature is effectively reduced, and the high-performance clutch plate is particularly suitable for being applied to the heavy truck.

The invention provides a context simulation support system for mathematics education. The situation simulation support system comprises a context simulation support module C3S, a problem context simulation module PContext_S, a solving step error correction and hint module Step_CH, an extended knowledge tracing model analysis module EKT. The context simulation support system uses a computer networkto automatically manage information to achieve two-way interactive features. The context simulation support system effectively supports teachers' personalized definitions of mathematical problems bythe C3S, supports students's personalized reproduction and listed formulas of a mathematical problem context; performs real-time error correction and hint on the students's calculation steps under a certain problem context by the Step_CH; and can complete track record and analysis of the students' learning process and stage to reveal the students' acquisition of knowledge on the problem meaning comprehension and calculation and help the teachers give students targeted counseling and personalized learning suggestions. The context simulation support system in the invention displays the problem meaning comprehension and calculation process in an intuitive animation way, stimulates the students' imagination and improves the students' ability of comprehension.

The invention discloses a printing preparation method for a thermal resistor, belonging to the technical field of electronics. The method comprises steps of acquiring a desired resistance value of a thermal resistor, and designing a volume of the thermal resistor according to a sheet resistance of a resistor material and the desired resistance value; removing dust in an area where a thermal resistor is to be printed on a thermal conductive insulating layer, and printing the resistor material on the thermal conductive insulating layer by using a screen printing technology; after printing, putting the thermal conductive insulating layer in a sintering furnace for sintering; after sintering and shaping, measuring the shaped thermal resistor, correcting the sintered and shaped thermal resistor. The length and width of a corresponding printed thermal resistor are designed according to desired resistance value, so that thermal resistors can be designed according to different user demands. The prepared thermal resistors are more accurate and have better effects, further, the printed thermal resistor is only 0.1-0.2mm thick, while traditional chip resistor is more than 1mm thick, therefore, the prepared thermal resistor has innovative progress in thickness and better meets demands of modern microelectronics.

The invention relates to an automatic demand response device oriented to a central air conditioning system and an application method. The automatic demand response device is arranged on the side of the central air conditioning system and located between the central air conditioning system and a demand response server on a power grid side. The automatic demand response device comprises a data storage module, a man-machine interaction module, a communication module, a safety module, a separation module, an interface module, a real-time clock, a watchdog and a power management module which are arranged in an outer shell and are in communication with a microprocessor module. Coordination control over operation loads of the central air conditioning system in demand response services is achieved by executing corresponding strategies in the data storage module. Through the device and the application method, the execution efficiency of the automatic demand response services is improved, the load adjusting mode of the central air conditioning system under a traditional manual intervention mode is changed, and human resources and economic costs are reduced.