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108results about How to "Achieve scalability" patented technology

Building method of knowledge map based on vertical field

The invention provides a building method of a knowledge map based on a vertical field. The method comprises the following steps of (1) extracting the word realization of classes of an on-line encyclopedia and the hyponymy between classes; (2) merging the field knowledge information, defining the data attribute and the relationship attribute of the field, and further setting the statute on the definition domain and the value domain of the attributes; (3) studying an entity layer, i.e., extracting an entity and filling the attribute value of the entity; performing mass processing on structurized and semi-structurized data by D2R or data collecting tools; and for non-structurized text data, defining the classes and the attributes of the upper layer body and the relationship between the classes and the attributes, and recognizing examples according to the relationship between the classes and the attributes. The method has the advantages that by using the method, the built knowledge classification of the vertical field knowledge map is clear; the self study and the automatic expansion of the knowledge map are realized; and the key effects are achieved on the information retrieval and semantic analysis of the vertical field.
Owner:QINGDAO PENGHAI SOFT CO LTD

Internet of Things platform construction method based on micro-service architecture

The invention provides an Internet of Things platform construction method based on a micro-service architecture. The method comprises the following steps: S1, dividing a micro-service level for an Internet of Things platform; S2, the micro-service deployment module deploying a micro-service cluster of the Internet of Things platform by using a Docker Swarm tool, and registering micro-service information to a service discovery center; S3, distributing the client requests to the micro-service of the Internet of Things platform through a load balance scheduling module; S4, a service load prediction module establishing a differential integration autoregressive moving average model and calculating a service load prediction value; S5, the service performance prediction module generating a performance prediction value according to the service load prediction value and the instance number; and S6, the container dynamic scheduling module performing horizontal expansion and contraction of the micro-service according to the performance prediction value. According to the Internet of Things platform constructed by the method, rapid expansion of new functions is carried out according to market demand changes, and container cluster expansion is carried out according to real-time loads, so that the expandability of the Internet of Things platform is improved.
Owner:SOUTH CHINA UNIV OF TECH

Communication managing machine capable of being comprehensively realized based on extensible markup language and dynamic library

The invention provides a communication managing machine capable of being comprehensively realized based on an extensive markup language and a dynamic library, comprising an internal memory real-time database functional module, a collection specification functional module, a transmission specification functional module and a maintenance management functional module, an operating system and an API (Application Program Interface) thereof, an API in a self-extensive dynamic link library file, and a bottom layer driving module. A specification functional code is stored in a library file form with a..so suffix format; in an operation process, the specification functional code is dynamically loaded into an internal memory; and a new specification dynamic library file is added through the maintenance management functional module. An XML (Extensive Makeup Language) format file is combined with the dynamic link library file and the XML format file is used as a data carrier to describe a configuration parameter, so as to realize logic functions of different communication specifications; and the dynamic link library file can be flexibly increased and decreased according to application requirements, and transplanting, reduction and expansion of a communication specification function can be realized; communication specification updating is supported or a new type communication specification is increased; and a private communication specification of the third party is supported, so that the debugging efficiency is obviously improved and the managing cost is obviously saved.
Owner:CEIEC ELECTRIC TECH

Automatic parsing method and apparatus of application protocol message

The embodiment of the invention discloses an automatic parsing method and apparatus of an application protocol message. The method comprises the following steps: adding template files with logicalityand edited in a preset script language according to protocol features of the application protocol message, compiling the template files to generate corresponding template parsing categories, parsing atarget application protocol message by using the template parsing category matched with the target application protocol message, and finally outputting a parsing result. According to the automatic parsing method and apparatus disclosed by the embodiment of the invention, when the format of the original application protocol message changes, or an application protocol message in a new format needsto be parsed, or when some protocol fields need to be extracted or deleted excessively, code modifying or re-issuing of software version is not needed, the existing and newly added application protocol messages of all types can be parsed just by adding, modifying or deleting the template files, and meanwhile the maintainability and extensibility of the application protocol parsing process are achieved.
Owner:RUN TECH CO LTD BEIJING

Massive web log data query and analysis method

The invention discloses a massive web log data query and analysis method based on Hadoop and Hive by means of high reliability, high expansibility, high efficiency and high fault tolerance of a Hadoop and Hive distributed computing platform. The method includes the following steps that data of each data source are analyzed; the data are loaded into a database; HiveQL sentences are received; the received sentences are optimized to obtain a primary map result; the received sentences are converted into a Map Reduce task, the task is executed, and a query result is stored; the data are segmented; the data are analyzed and dug; the data are loaded into a Mysql database. According to massive web log data, precise query and data analysis are achieved, expansibility and effectiveness of storage, query and analysis of the massive data are achieved, and the problem that due to uneven job distribution caused by data skew, overall performance is reduced is avoided.
Owner:北京智融时代信息技术有限公司

Software architecture system

ActiveCN103309674AImplement modular development managementRealize dynamic configurationSpecific program execution arrangementsRepresentational state transferWeb application
The invention provides a software architecture system which is achieved based on an OSGI (Open Service Gateway Initiative) specification and an REST (Representational State Transfer) principle. The software architecture system comprises a monitoring management module, a dependence management module, a service management module and a route distribution module, wherein the monitoring management module is used for monitoring all business plug-ins and / or services in an OSGI container; the business plug-ins are used for executing corresponding business logic according to an external data request; the dependence management module is used for providing and managing OSGI service dependence among the business plug-ins; the service management module is used for controlling the business plug-ins to execute the business logic and controlling release and stop of the services in the OSGI container; the route distribution module is used for receiving the data request from a browser, determining a corresponding processing method of a numerical value according to the numerical value of an extended attribute of the data request, and distributing the data request to the business plug-in corresponding to the processing method; and processing is conducted by the business plug-in or conducted according to a default rule of the REST principle. With the adoption of the technical scheme, modular development management, dynamic configuration and extension of a web application can be achieved.
Owner:ZICT TECH CO LTD

Intelligent monitoring system based on wireless sensor network technology

The invention provides an intelligent monitoring system based on a wireless sensor network technology. The intelligent monitoring system comprises monitoring nodes, gateway nodes, a service platform and access terminals, wherein the gateway nodes are in communication connection with the monitoring nodes through a Zigbee wireless network, and used for controlling the monitoring nodes; the service platform is in communication connection with the gateway nodes through a TCP / IP-based network, and used for summarizing data uploaded by the gateway nodes, storing, analyzing, adding up and processing the data, and sending control instructions to the corresponding monitoring nodes through the gateway nodes; the access terminals are in communication connection with the service platform, and used for accessing the service platform and controlling the corresponding gateway nodes and / or the monitoring nodes through the service platform. Compared with the prior art, the intelligent monitoring system provided by the invention can be applicable to various application environments, saves a large number of cables, and is convenient in system layout, simple in networking, and reliable in data transmitting; the reusability of the system is enhanced; the maintenance cost is reduced; the popularization and application of the technology are facilitated.
Owner:江苏钜芯集成电路技术股份有限公司

Modular and bus real-time monitoring system for tower crane

A real-time monitoring system of a modularized and bus-type tower crane belongs to the technical field of mechanical and electrical integration and comprises a bus-type field information acquisition terminal, a bus-type data processing module, a bus-type functional expansion unit, wherein, the bus-type field information acquisition terminal completes the concentration of the analog quantity information and pulse quantity information of the field status, and sends the status information and a mark to the bus-type data processing module by a CAN bus; the bus-type data processing module sends parameter classification information to the bus functional expansion unit; in the bus-type functional expansion unit, a bus-type field display unit performs the working status display and alarm of the tower crane according to the CAN bus information received; a bus-type remote communication unit sends the status information to a remote monitoring center; and a bus-type field control unit controls electric motors of the tower crane according to the CAN bus information received. The real-time monitoring system meets the requirements of flexible expansion of the monitoring parameters and compatibility and exchangeability of product.
Owner:SHANGHAI JIAO TONG UNIV

Bluetooth headset box, voice recognition method, server and storage medium

The invention discloses a Bluetooth headset box, a voice recognition method, a server and a storage medium. The Bluetooth headset box comprises a baseband chip, a SIM card, a radio frequency chip, a power supply management chip and a Bluetooth chip; the baseband chip is used for synthesizing a to-be-emitted baseband signal or conducting decoding on a received baseband signal and achieving a communication protocol of an underlying network; the SIM card is used for labeling identify of the Bluetooth headset box when having access to a network; the radio frequency chip is used for receiving or sending a radio frequency signal; the power supply management chip is used for managing electrical energy conversion of a Bluetooth headset box battery and charging a Bluetooth headset; the Bluetooth chip is used for being connected with the Bluetooth headset. By means of the Bluetooth headset box, the problems that a Bluetooth headset box is single in function, and Bluetooth headset use is limitedare solved, function extension and intelligence of the Bluetooth headset box are achieved, and meanwhile, the use range of the Bluetooth headset is enlarged.
Owner:昆山品源知识产权运营科技有限公司

Method and switch for testing throughput of communication equipment

The invention discloses a method and a switch for testing throughput of communication equipment. The method comprises the steps that output / input ports for testing the throughput of the communication equipment on the switch are configured, and are connected with the output / input ports of the communication equipment and data messages in two preset formats are constructed in the switch; in a preconfigured loopback port, a message flow reaches a linear speed through loopback copying and a data stream is generated; the data stream is forwarded from the preconfigured output port to the communication equipment at the linear speed, the number of transmitted packets is counted, data packets transmitted by the communication equipment are received from the input port corresponding to the output port on the switch, the number of received packets is counted and finally the throughput of the communication equipment is tested according to the difference between the number of the received packets and the number of the transmitted packets of the ports of the switch. The method is simple to realize, the demands for throughput testing under the condition of different port rates can be met by conducting rate control at the output port of the switch, the expansion and the extension in the aspects of rate and port type can also be realized, and the testing resources and the testing costs are saved to a certain extent.
Owner:武汉神州数码云科网络技术有限公司

Video data compaction coding method

The invention relates to a compression coding method of video data. Wherein, the original image sequence of video via motion forecast and compensation obtains residual error; projecting residual error into vector space; then using main component analysis algorism to reduce the dimensions of vector; using wide main component analysis algorism to group the factor with reduced dimensions; using main component analysis algorism to reduce the dimensions of factor more; the output of video compressed code is the base of linear space generated in said process, the factor of vector in main component analysis, the average vector of vector group and the motion vector of motion forecast, etc. The invention has better compression efficiency on the video data, and the rebuilt video has better image quality. And the invention loses the unimportant base vector and factor of linear space to expand the signal / noise ratio of video data, therefore, the rebuilt video with less left data can own better effect.
Owner:ZHEJIANG UNIV

Magic cube type modularization satellite

The invention provides a magic cube type modularization satellite which comprises a center rotating shaft and N<3>-(N-2)<3> magic cube blocks, and N is larger than or equal to 2. Each magic cube block is provided with an independent spacecraft functional module. The magic cube blocks comprise the face center magic cube blocks, the edge face center magic cube blocks and the corner magic cube blocks. First arc surface grooves are formed in the inner side faces of the face center magic cube blocks. The face center magic cube blocks are rotatably connected with the center rotating shaft through the first arc surface grooves. Second arc surface grooves are formed in the inner side faces of the edge face center magic cube blocks. The edge face center magic cube blocks are arranged around the face center magic cube blocks in a sliding mode through the second arc surface grooves. Third arc surface grooves are formed in the inner side faces of the corner magic cube blocks. The corner magic cube blocks are arranged on the corners among the edge face center magic cube blocks in a sliding mode through the third arc surface grooves. By means of modularization design, the combinations and replacement of modules with different functions are achieved, and the orientations of the magic cube block surfaces can be configured adaptively.
Owner:AEROSPACE DONGFANGHONG DEV LTD

Extensible multicast forwarding method and device for data center (DC)

The invention provides an extensible multicast forwarding method and a device for a DC. According to the method and the device, the multicast address of the server in the DC is expressed by the address in a continuous multicast address field. The method includes receiving an input multicast data packet and extracting a destination MAC address from the head of the input multicast data packet; performing logic and operation on the extracted destination MAC address and a scheduled mask to obtain an index value and achieve a routing inquiry engine function; determining an output port sequence through the obtained index value to achieve a forwarding engine function; and finally, dispatching a line card through a switching matrix to achieve the multicast forwarding of the input multicast data packet, namely, outputting the input multicast data packet from the port indicated by the determined the output port sequence. The device and the method have the advantages of being simple in design and extensible.
Owner:NEC (CHINA) CO LTD

Programmable device-based signal conversion equipment

The invention discloses programmable device-based signal conversion equipment, which comprises a communication interface module, a control module, an LVDS image demodulating module, an SERDES image demodulating module, an SERDES image sending module, an RGB converting module, an SERDES image transmitting and packaging module, an LVDS converting module, an MIPI converting module, a TTL interface module and extended interfaces. The signal conversion equipment is designed based on a programmable device and is compatible with LVDS signals, DP signals, MIPI signals, LVDS signals and TTL signals to realize the signal conversion from LVDS signals to DP signals / MIPI signals / LVDS signals / TTL signals. The output signals of the signal conversion equipment can be expanded and applied to signal sources required for multiple tests on modules. Meanwhile, the signal conversion equipment enables the signal cascading function and realizes the cascading function of SERDES signals and the converting function of TTL signals to DP video signals. Therefore, the extensibility of the signal conversion equipment is realized.
Owner:WUHAN JINGCE ELECTRONICS GRP CO LTD

Multi-interface bus converting expanding chip design

The invention belongs to the technical field of data transmission and converting and particularly relates to a multi-interface bus converting expanding chip. The shortcoming that an existing chip can only convert and expand one kind of interfaces is overcome. The functions of different interface converting and various interface bus expanding are achieved. The requirements for different interface bus converting and expanding between main control CPUs, between a main control CPU and a peripheral and between peripherals are met. The chip comprises a main interface module, a main interface data processing logic part, a clock generator, a power supply management module, a double-interface large-capacity RAM storage, a chip inner controller, an expanding interface data processing logic part, an interrupt processing logic part and an expanding interface module. The expanding interface module can be configured to be 1-8 interfaces of different kinds flexibly. The chip has the advantages that converting and expanding between any main interface bus and expanding interface bus and between any expanding bus interfaces can be achieved, intelligent protocol processing is carried out through data, a unified data package format is formed for storing and processing, and the large-capacity double-interface RAM in the chip guarantees stored data.
Owner:CHENGDU WEIKAI MICROELECTRONICS CO LTD

Method for dynamically loading data model based on plug-in

The invention relates to a method for dynamically loading a data model based on a plug-in. Firstly, a description structure of a data model node is defined; secondly, the data model node is compiled into a dynamic depot and when a TR098 service process detects the new plug-in, the new plug-in is loaded. An external progress adds, alters, deletes and reads the data node loaded in the third step. In the time of reading operation, a TR069 service procress is used for adding, altering, deleting and reading a node example and calling the corresponding callback function to execute the specific function. The description of the data model and the TR098 service process are separated and the description of the data model is compiled into the dynamic depot and exists as the plug-in. The plug-in is dynamically loaded in the TR098 service process and high expandability and maintainability of the system can be achieved.
Owner:PHICOMM (SHANGHAI) CO LTD

Network protocol identification method and system based on semi-supervised learning

The invention discloses a network protocol identification method and system based on semi-supervised learning, relating to the technical field of network safety. The method comprises the following steps of: training a plurality of classifiers based on a semi-supervised learning method; carrying out split-flow treatment on a network flow rate to be identified, and counting a single flow to be identified, which is obtained by the split-flow treatment, so as to obtain length information of a pre-set quantity of network packets in each single flow to be identified; and utilizing the classifiers to carry out protocol identification on the single flow to be identified according to the length information of the pre-set quantity of the network packets in the single flow to be identified. According to the network protocol identification method and system based on the semi-supervised learning, disclosed by the invention, a semi-supervised machine learning method is introduced into the protocol identification, namely that less calibrated sample information is used and a lot of unlabelled information is sufficiently utilized, so that the classification performance and the practical expansibility are met simultaneously; and the network protocol identification method and system have higher identification accuracy and higher identification speed, and can identify an encrypted protocol without depending on a lot of calibration data sets.
Owner:TSINGHUA UNIV

Log debugging method and device for in distributed hadoop environment

The invention discloses a log debugging method and device for use in a distributed hadoop environment, and aims to solve the problems of dispersed nodes, disordered log management and poor node communication safety in a distributed environment specific to a log management and configuration method for current popular distributed system, such as a hadoop system. The log debugging method comprises the following steps: verifying a user login identity; authenticating a using state of a distributed system; performing a warning intrusion detection operation when the using state of the system is good;acquiring and analyzing logs to be collected; performing cluster analysis processing on node logs; converting the logs by an XML (X Extensible Markup Language) format; and lastly, updating database log data. According to the log debugging method and device, a high-security protection measure is provided for the distributed system through interruption of illegal access and intrusion detection protection. The method and the device have important practical significance and high popularization value for solving of the security problem of the distributed system.
Owner:济南双瑞软件有限公司

Construction method for visualization system of risk assessment of contaminated site

The present invention discloses a construction method for a visualization system of risk assessment of a contaminated site, based on the visual modeling technology and the distributed computing technology. The method comprises: using the geographic information technology to carry out spatial modeling on the contaminated site; establishing an identification model library of the risk identification field of the contaminated site; establishing a common function library of the risk identification field of the contaminated site; establishing a common parameter library of the risk identification field of the contaminated site; establishing a distributed computing resource library; establishing a logical processing model of the risk identification of the contaminated site; establishing a computing process model of the risk identification process of the contaminated site; and through a risk assessment distributed computing engine, carrying out distributed scheduling computing on the computing process model, and outputting a risk identification report. The visualization technology can provide visual modeling tools for the assessment staff, and computing results can be intuitively analyzed and displayed; and the distributed computing technology can support parallel computing of multiple projects and multiple locations, and can easily expand the computing resources.
Owner:INST OF URBAN ENVIRONMENT CHINESE ACAD OF SCI

Extendable catheter sheath and interventional device conveying device

ActiveCN106473839AReduced sustained expansionPrevent blood clotsHeart valvesCatheterCalcificationBlood vessel
The invention discloses an extendable catheter sheath and an interventional device conveying device. The extendable catheter sheath comprises a tube wall, the tube wall is in a rolling wall structure, the cross section of the tube wall is in a coiling shape, and the tube wall has an expanding state for expanding the rolling wall structure of the corresponding part and a pre-forming state for automatically recovering the rolling structure. The catheter sheath has a specific cross-section shape, the shape (the cross section) of the catheter sheath is changed on the position, where an interventional device goes by, according to the external size of the interventional device when the interventional device is conveyed, and the catheter sheath is recovered to the original pre-forming state through the self-elasticity after the interventional device passes by, so that the catheter sheath is favorable for penetrating a thinner blood vessel, the falling of a calcification part is avoided, and the risk of the operation is reduced.
Owner:VENUS MEDTECH (HANGZHOU) INC

Json based complex web page component self-defining method and device

InactiveCN105786505ADescribe wellImprove the depth of content managementModel driven codeSpecific program execution arrangementsUser inputWeb page
The invention relates to a json based complex web page component self-defining method and device.The method includes the following steps that 1, atomic-scale page elements on a web page are identified and acquired; 2, atomic-scale components are formed according to the atomic-scale page elements; 3, data models of the atomic-scale components are defined by adopting a json data structure, and functional logics of the atomic-scale components are achieved by adopting javascript; 4, a user input interface is generated according to the atomic-scale components defined in the step 3; 5, the user input interface receives input data, legal verification is conducted on the received input data, and user self-defined service components are formed according to the input data passing the verification.Compared with the prior art, the json based complex web page component self-defining method can achieve description, definition and resolution of the elements of any complex web page, provide the capability of generating component content data interfaces and facilitate component content data input performed by a user.
Owner:上海全成通信技术有限公司

Refrigerator with data transmission function and data transmission system for refrigerator

The invention provides a refrigerator with a data transmission function and a data transmission system for the refrigerator. The refrigerator with the data transmission function comprises a refrigerator body, a door body, a data collection device and a data uploading device, wherein a storage chamber is limited in the refrigerator body; the door body is connected to the front side of the refrigerator body so as to seal the storage chamber; the data collection device is arranged in the storage chamber and configured to receive storage information provided by a storage device placed in the storage chamber according to a preset wireless transmission protocol, a detection component and a wireless transmission component are arranged in the storage device, the detection component is configured to detect the storage condition in the storage device, and the wireless transmission component is configured to generate the storage information according to a detection result of the detection component and send the storage information to the data collection device; and the data uploading device is connected with the data collection device and configured to obtain the storage information received by the data collection device and upload the storage information to a terminal used by a refrigerator user or specific network equipment. In this way, personalized requirements of the refrigerator user are met.
Owner:HAIER SMART HOME CO LTD

Routing method realized on basis of content attribute part of name in content-centric networking

The invention relates to a routing method realized on a basis of a content attribute part of a name in a content-centric networking. The method comprises the steps that a content consumer checks the name of a to-be-sent interest packet, and determines the content of the interest packet according to the information contained in the name of the interest packet; according to the attribute of the content and the distribution probabilities of the content in all areas, the content consumer sends the interest packet to an area with the highest content distribution probability; after receiving the interest packet, a node in the area checks the name of the received interest packet, and performs matching according to the name of the interest packet; and if getting no response, the content consumer sends the interest packet to another area with the second highest content distribution probability, and then the previous step is performed until the interest packet is sent successfully or an end condition is met.
Owner:INST OF ACOUSTICS CHINESE ACAD OF SCI

SQL interpreter of HBase and optimization method

The invention discloses an SQL interpreter of HBase and an optimization method. A combination of a lexical analyzer, a syntactic analyzer, a semantic analyzer and an actuator is arranged; according tothe method, the logic operator in the SQL statement can be analyzed, the logic operator can be converted into the physical operator directly executed in the HBase database, and therefore the use difficulty of the HBase database is lowered for a large number of SQL language users.
Owner:深圳市赢时胜信息技术股份有限公司

Method and system for associating information

The invention discloses a method and a system for associating information. The method for associating the information comprises the following steps: acquiring configuration information which is needed to associate in an original datasheet, wherein the configuration information comprises associated attribute information and value information corresponding to an attribute, and the associated attribute information is saved in a mode of a common code table; saving a corresponding relation for associating the associated attribute information with the original datasheet in a mode of a digital dictionary; and associating the associated attribute information and the value information corresponding to the attribute with the original datasheet according to the corresponding relation. The method and the system save the configuration information through the common code table and establish the corresponding relation between the common code table and the original datasheet through a data dictionary platform, so that a user can enter the configuration information to be associated to the original datasheet without modifying codes of the original datasheet to realize performing the association of newly-increased contents on the basis of the conventional datasheet.
Owner:KINGDEE SOFTWARE(CHINA) CO LTD

Household appliance and network configuration method and device thereof

The invention discloses a household appliance and a network configuration method and device thereof, wherein the household appliance is provided with a relay module. The method comprises the steps of:controlling the relay module to acquire the first network configuration information of a network access point, and connecting the relay module to the network access point according to the first network configuration information; and controlling the relay module to enable a relay function so that a target device is connected to the network access point through the relay module. The technical scheme of using the household appliance for forwarding wifi signals enables the household appliance to have an effect of expanding and enhancing the wifi signals.
Owner:GD MIDEA AIR-CONDITIONING EQUIP CO LTD +1

Method and system for organizing geographic data

The invention discloses a method for organizing geographic data, comprising the following steps: a data source is acquired; an interface is provided for the data source according to a predefined specification, and image layers are generated according to the data source; a pointer pointing at all the image layers is generated; commands are sent to the image layers by a hinge structure; and the commands are executed by the image layers after the commands sent by the hinge structure are received by the image layers. The invention also discloses a system for organizing geographic data. With the invention, the data source can be any source of any type and can be added to the system to serve as the image layers of the system if only the interface is provided, which fully embodies the flexibility and the expandability of the system.
Owner:BEIJING LINGTU SOFTWARE TECH CO LTD

Intelligent e-commerce page stock-out management method and system based on machine learning

The invention relates to the technical field of machine learning, and discloses a management method for automatically deducing, tracking processing and replenishing the shortage reason of an e-commerce page, which realizes eliminating the shortage to the maximum extent through an algorithm model. The invention is characterized in that the deep neural network model and the method of the continuousevolution mechanism are applied to the e-commerce industry, comprising the following steps of: acquiring and processing multi-source heterogeneous data; Pattern Analysis and Reasoning Based on NeuralNetwork; Automatic workflow task assignment; Multidimensional data analysis; Knowledge management and model evolution. The invention extracts mode codes based on commodity page status, inventory, order, logistics, personnel and other information; the algorithm model automatically recognizes and deduces the code. Establish workflow for stock-out events based on results and knowledge base; the forecasting model can generate shortage warning and trigger replenishment event. The invention effectively processes the shortage of e-commerce pages, has high accuracy of analysis and inference, monitorsunknown shortage reasons, and realizes the transformation from post-processing to pre-prevention.
Owner:方骥

Nano chitin hydrogel and aerogel and preparation method and application thereof

InactiveCN108864445AImprove performanceMitigation preparationPorosityChitin formation
The invention belongs to the technical field of application of chitin and relates to a nano chitin hydrogel and aerogel and a preparation method and application thereof. The preparation method of thenano chitin hydrogel comprises the following steps: (a) pre-treating the chitin raw material to obtain nano chitin dispersion liquid; (b) mixing the nano chitin dispersion liquid with a cross-linkingagent to obtain compound dispersion liquid; and (c) freezing and thawing the compound dispersion liquid to obtain the nano chitin hydrogel. The invention innovatively adopts the freezing and thawing treatment to successfully realize chemical cross-linking of nano chitin; the product has the characteristics of low grade, high strength, high elasticity, high porosity and the like and also has the advantages of mild conditions, strong operability and the like; and a feasible method is provided for preparation of nano chitin gels and has industrialized application prospects.
Owner:NANJING FORESTRY UNIV

Automatic video inspection system and method for road traffic accidents

The invention discloses an automatic video inspection system and method for road traffic accidents. The system comprises a road patrol application platform and a video analysis processing platform; the road patrol application platform communicates with the video analysis and processing platform through a network; the system establishes network connection with a road monitoring video source and accesses a video to be patrolled; and the road patrol application platform comprises a video monitoring and patrol management module, an algorithm model registration and management module and a databasemodule; the video analysis and processing platform comprises a task scheduling module and an algorithm model service module. According to the automatic video inspection system and method for the roadtraffic accidents, based on a road traffic event video patrol service mode, with an intelligent video event detection technology, an extensible and distributed processing framework in which business application is decoupled from an algorithm model is constructed; the batch automatic polling of road monitoring videos and the automatic detection and alarming of various road traffic events can be realized, and road network video polling efficiency can be effectively improved, and the risk of the missed detection of the road traffic events is lowered.
Owner:JIANGSU PROVINCIAL COMM PLANNING & DESIGN INST
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