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199results about How to "Requirements meet" patented technology

Scraping-resistant polypropylene combination with good appearance and manufacturing method and application thereof

The invention discloses a scraping-resistant polypropylene combination with good appearance. The combination comprises the components, by weight, of polypropylene of 57-82 parts, polyethylene of 3-8 parts, flexibilizer of 3-8 parts, mineral filler of 10-30 parts, scraping-resistant agents of 1.5-2.5 parts, and other assistant agents of 0.5-1 part. The invention further discloses a manufacturing method and application of the scraping-resistant polypropylene combination with the good appearance. According to the combination, by adding the polyethylene and the processing agents, phase interface problems of the combination are well improved, current ripple and tiger stripe problems existing in an injection process of the combination are well improved, so that great surface effect of an combination injection molding piece is achieved, and the scraping-resistant agents are added so that surface damage generated by scraping and friction during a using process of the combination injection molding piece is relieved. The requirements on the surface performance of the combination during the injection molding process and the later-stage using process and mechanical performance are considered in an overall mode, the requirements on inner ornaments and outer ornaments of an automobile are met, and good application prospect is achieved.
Owner:HEFEI GENIUS NEW MATERIALS

3D printing forming method for metal dental restoration

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.
Owner:OPTIMAL MATERIAL TECH CO LTD

Dual-card dual-standby conversation method, dual-card dual-standby conversation device and dual-card dual-standby conversation terminal

The invention discloses a dual-card dual-standby conversation method, a dual-card dual-standby conversation device and a dual-card dual-standby conversation terminal. The method comprises the following steps: in a terminal provided with double operation systems and double SIM (Subscriber Identity Module) cards, binding each SIM card with one corresponding operation system; when the double operation systems run simultaneously, answering a call by switching to the corresponding operation system according to the SIM card to which the calling number belongs. The device comprises a binding unit and an answer control unit. By the method, the device and the terminal disclosed by the invention, a user can manage the contact phone numbers better and more safely, the work efficiency is improved, the precious time of the user is saved, the terminal is more intelligent and better satisfies the demands of the user, and the user experience is also improved to a certain extent.
Owner:YULONG COMPUTER TELECOMM SCI (SHENZHEN) CO LTD

Dental prosthesis stent made of metal additives and method for manufacturing dental prosthesis stent made of metal additives

The invention discloses a dental prosthesis stent made of metal additives and a method for manufacturing the dental prosthesis stent made of the metal additives. The method includes: acquiring data of a three-dimensional maxillary model of a patient, selecting a maxillofacial surface of the dental prosthesis stent on the model, reconstructing the maxillofacial surface, stretching the maxillofacial surface until formation of an initial stent model, and repairing the initial stent model to meet design requirements for forming a stent CAD (computer aided design) model available for printing and manufacturing; adopting a selective laser melting 3D (three-dimensional) printer for printing and manufacturing to obtain a stent model, and subjecting the stent model to thermal treatment and surface treatment. The dental prosthesis stent comprises a body made of a metal material, and the body comprises a nesting portion and a supporting portion with a mesh structure. The dental prosthesis stent made of the metal additives and the method for manufacturing the dental prosthesis stent made of the metal additives have the advantages that the structure meeting clinical requirements is made by means of 3D printing technology, high precision, high surface quality and short manufacturing period are realized, and the clinical requirements are met better.
Owner:ZHEJIANG UNIV OF TECH +1

Control method, control device and control system of air conditioner

The invention provides a control method, control device and control system of an air conditioner. The control method comprises the following steps that: first indoor air temperature is detected through a first temperature sensor in the indoor unit of the air conditioner, and second indoor air temperature is detected through a second temperature sensor of the remote controller of the air conditioner; whether the difference value of the first indoor air temperature and the second indoor air temperature is larger than a preset difference value is judged; and the comprehensive indoor temperature of the air conditioner is determined according to judging results, and the air conditioner is controlled according to the comprehensive indoor temperature. With the control method, control device and control system of the air conditioner provided by the technical scheme of the invention adopted, more accurate control on the air conditioner can be realized, and therefore, temperature adjustment of the air conditioner more accord with the needs of the user, and the reliability of the operation of the air conditioner can be improved.
Owner:GD MIDEA AIR-CONDITIONING EQUIP CO LTD +1

XML-based retrieval method oriented to constraint on integrated paths of large amount of small-size XML documents

InactiveCN101807211AExpress query needsQuery requirements meetSpecial data processing applicationsXML retrievalUser needs
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.
Owner:NANKAI UNIV

A Hierarchical and Detailed Electronic Kanban System

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.
Owner:上海络杰软件有限公司 +1

Web searching method and device

The invention discloses a web searching method and device. The device comprises a search engine class list loading unit, a receiving unit for key words used for searching, a search engine class selecting unit, a search engine list loading unit, an engine selecting and searching request unit and a search result loading unit, wherein the search result loading unit is also suitable for loading a searching sub-window in a browser label of a search result and loading the selected search class and search engine in a search bar at the searching sub-window so as to further initiate a search request based on the key words used for searching according to the search engine selected by a click option on the searching sub-window, so that a user can select a needed search engine class and a suitable search engine for search key words according to actual needs so as to acquire a targeted search result, and the search result is more in tune with the needs of users.
Owner:BEIJING QIHOO TECH CO LTD

Vertical type single-rod squaring machine for monocrystalline silicon

The invention discloses a vertical type single-rod squaring machine for monocrystalline silicon. The vertical type single-rod squaring machine for monocrystalline silicon comprises a cutting chamber, a wiring chamber, a feeding and discharging device and an electrical chamber. The cutting chamber comprises a cutting head for cutting a single silicon rod and further comprises a silicon rod supporting seat for supporting the lower end of the single silicon rod and a silicon rod compressing mechanism for compressing and fixing the upper end of the silicon rod. The silicon rod compressing mechanism comprises a compressing support, an extension rod fixed to the compressing support, and a compressing seat fixed to the extension rod and used for being connected with the silicon rod. The extension rod is provided with an open groove through which a wire mesh of the cutting head can penetrate. The vertical type single-rod squaring machine for monocrystalline silicon achieves the efficient machining effects of achieving vertical type cutting, avoiding gluing, not shearing the wire mesh, automatically aligning crystal lines, achieving automatic feeding and discharging and simultaneously cutting four sides, is simple in process, convenient to operate and low in machining cost, achieves automation easily and meets the requirement for equipment of users.
Owner:QINGDAO GAOCE TECH CO LTD

Preparation method for water solution thin film transistor

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.
Owner:QINGDAO UNIV

Virtual item generation method and apparatus

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.
Owner:SHENZHEN IDREAMSKY TECH

Control method and device for automatically releasing multiple clothing treatment agents in washing machine

The invention discloses a control method and a device for automatically releasing multiple clothing treatment agents in a washing machine. The clothing treatment agents are placed in an automatic release device. The automatic release device comprises a fixed type treatment agent box used for placing the fixed type of clothing treatment agent, and a variable type treatment agent box used for placing one type or multiple types of clothing treatment agents at the same time. The control method comprises the following steps of executing a laundry program by the washing machine; and according to theselected clothing treatment agent in the fixed type treatment agent box and / or in the variable type treatment agent box, executing a corresponding release process by the automatic release device. Inthe invention, through arranging the selectable variable type treatment agent box and controlling the release of the clothing treatment agent in the variable type treatment agent box, the purpose of intelligently releasing the clothing treatment agent for the different clothing is realized.
Owner:QINGDAO HAIER WASHING ELECTRIC APPLIANCES CO LTD +1

Demand response uncertainty-considered photovoltaic micro-grid battery energy storage configuration method

InactiveCN107403256AReduced need for configuration sizeRequirements meetForecastingResourcesElectricity priceBattery energy storage
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.
Owner:HUAZHONG UNIV OF SCI & TECH

Control method and device for automatic putting of various clothes treating agents for washing machine

The invention discloses a control method and device for automatic putting of various clothes treating agents for a washing machine. The clothes treating agents are contained in an automatic putting device, the automatic putting device comprises a regular treating agent box and a selective treating agent box, the regular treating agent box is used for containing a regular clothes treating agent, and the selective treating agent box is used for containing one of the various clothes treating agents or simultaneously containing the clothes treating agents. The control method comprises the steps that the washing machine executes a washing program, and the automatic putting device executes corresponding putting processes according to the selected clothes treating agents in the regular treating agent box and / or in the selective treating agent box. The putting device comprises a fixed frame, and the regular treating agent box used for containing the regular clothes treating agent and the selective treating agent box used for containing one of the clothes treating agent or simultaneously containing the clothes treating agents are installed in the fixed frame through installation elements. By means of the arrangement of the selective treating agent box and the control over the clothes treating agents in the selective treating agent box, the aim of intelligent putting according to different clothes is achieved.
Owner:QINGDAO HAIER DRUM WASHING MACHINE

Document classification method and apparatus

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.
Owner:INSPUR QILU SOFTWARE IND

Novel application of cloud computing to cross-border electronic commerce

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.
Owner:王四春

Automobile data-based LBS (location based service) searching and sequencing method and device

The invention discloses an automobile data-based LBS (location based service) searching and sequencing method and an automobile data-based LBS searching and sequencing device, and relates to the technical field of information retrieval. The problem that the prior art cannot provide intelligent search service for drivers can be solved. The method mainly comprises the following steps: acquiring driving history data of a vehicle; analyzing the driving history data to acquire driving information of a vehicle driver, wherein the driving information comprises driving time, driving habit preference and the common parking address of the vehicle driver; acquiring search history data and navigation history data of the vehicle; analyzing the search history data and the navigation history data to acquire personalized selection information of the vehicle driver on the like place; and when the vehicle driver searches, acquiring search results based on the current position according to the driving information and the personalized selection information and sequencing. The method and the device are mainly suitable for scenes that a user performs retrieval in the vehicle.
Owner:大众问问(北京)信息科技有限公司

Preparation method of battery-grade lithium carbonate

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.
Owner:SHANDONG LUBEI ENTERPRISE GROUP

Bolt fastening system and achieving method thereof

ActiveCN103495861AAvoid Missing BoltsAvoid bolt locking force not up to standardMetal working apparatusTouch panelData memory
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.
Owner:SICHUAN TERFIC TECH CO LTD

Method for producing high-quality calcium alginate

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.
Owner:青岛海之林生物科技开发有限公司

System and method for generating electronic programm guide

The system comprises at least two SPs mutually interconnected and at least one user end. Between at least two SPs there are at least two middlewares set by said SPs; with said middlewares the EPG data is shared between said SPs or between said SP and user end. In said at least one user end, there is at least one user end set with the middleware.
Owner:HUAWEI TECH CO LTD

Data analysis report generation system and method

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.
Owner:BGI TECH SOLUTIONS

Solar heating system, multi-heat-source heating system and multi-heat-source heat supply method

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.
Owner:中铁二十一局集团第二工程有限公司

Life service information recommendation method and apparatus

InactiveCN106447425ASolve poor offline experienceOffline experience meetsBuying/selling/leasing transactionsUser needsService information
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.
Owner:BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD

Method for modifying opal and inverse opal-structured photonic crystal by nanometer silver

The invention relates to a nanometer silver-modified opal and inverse opal-structured photonic crystal. Firstly, AgI sol is prepared by a sol-gel method; the AgI sol with better fluidity enters an opal-structured or inverse opal-structured gap under a capillary effect; then, the AgI easy to decompose is heated to decompose to nanometer silver; and finally, the nanometer silver-modified opal or inverse opal-structured photonic crystal is prepared, wherein the contained nanometer silver is not filled in the opal or inverse opal-structured gap, but grows and is uniformly distributed on an opal or inverse opal-structured skeleton, so that a three-dimensional ordered structure of the opal or inverse opal structure is kept, the defects of the nanometer silver-modified opal and inverse opal-structured photonic crystal are fewer, the area of the nanometer silver-modified opal and inverse opal-structured photonic crystal is larger to achieve firm combination with a substrate, and the application requirements of such fields as a high-performance optical device, a surface reinforced Raman spectrum detector, a sensor and a catalyst for the photonic crystal can be preferably satisfied.
Owner:ADVANCED TECHNOLOGY & MATERIALS CO LTD

High-performance clutch plate for heavy truck

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.
Owner:浙江科马摩擦材料股份有限公司

Context simulation support system for mathematics education

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.
Owner:苏州唐云信息技术有限公司

Printing preparation method for thermal resistor

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.
Owner:广西桂仪科技有限公司

Automatic demand response device oriented to central air conditioning system and application method

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.
Owner:CHINA ELECTRIC POWER RES INST +1
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