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540results about How to "Achieve effectiveness" patented technology

Business service system oriented to log big-data analysis

The invention discloses a business service system oriented to log big-data analysis. The system comprises a log obtaining module, a data preprocessing module, a data pipeline module, a computing processing module, a storage inquiry module and a system management module, systemized packaging is conducted on the method of data calculation and data storage, in the field of log data analysis, in the aspect of connection and data management of applications for scenes in which data processing, analysis, displaying and the like are needed, the big-data business service system which easily expands transversely in data and business and is matched with multiple big-data computing modes is formed. A multi-module design method is adopted, through unified management of the key intermediary service, through the combination of distributed computing and storage components in the system architecture, a system platform which helps a user quickly process and analyze data and makes a business applicationeasily expanded is provided.
Owner:SOUTH CHINA UNIV OF TECH

Real-time three-dimensional double-hand gesture recognition method and system based on binocular vision

The invention provides a real-time three-dimensional double-hand gesture recognition method and system based on binocular vision. The real-time three-dimensional double-hand gesture recognition method based on binocular vision comprises the steps that initial calibration and correction are conducted on an image firstly, the outline of a gesture is extracted, two-dimension gesture recognition is conducted on the extracted gesture outline, the mass center of the gesture outline is calculated, stereo matching is conducted on the mass center obtained through calculation, three-dimensional hand gesture recognition is achieved, and corresponding gestures are displayed in a human-computer interaction module based on the three-dimensional hand gesture recognition. According to the real-time three-dimensional double-hand gesture recognition method and system based on binocular vision, binocular vision information can be utilized, and human-computer interaction, based on the three-dimensional space, of double-hand gesture change of a computer is achieved; meanwhile, extremely high real-time performance and extremely high effectiveness can be achieved, and requirements for hardware are lowered; in addition, the man-machine interaction effect is achieved, and the requirements for real-time performance and effectiveness are well met.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Minidrive pen with laser and illuminating function

A minidrive pen with laser and illuminating function includes an upper and a lower pen barrel and an adapter, wherein a minidrive circuit board is configured within the upper pen barrel, and which is connected to a USB (Universal Serial Bus) connector. Two orifices are defined in a bottom extremity of the lower pen barrel. Furthermore, a laser element, an illuminating element and a battery compartment are configured within the lower pen barrel. Switches are configured in a surface of the lower pen barrel. After disposing batteries in the battery compartment, the upper pen barrel and the lower pen barrel are joined together by means of the adapter. Furthermore, electric conduction is also effectuated by means of the adapter, thereby constituting a easy carrying of the minidrive, and simultaneously achieving effectiveness of a laser pointer and illumination.
Owner:CHAO HENRY

Intelligent medicine safety cabinet and intelligent medicine management system

The invention provides an intelligent medicine safety cabinet and an intelligent medicine management system. The intelligent medicine safety cabinet comprises a main cabinet body and an intelligent control device. A cabinet door of the main cabinet body is rotationally connected with a cabinet body, and a door lock assembly is arranged on the cabinet door and used for controlling opening or locking of the cabinet door. A medicine drawer assembly is arranged in the cabinet body and comprises a plurality of drawers, each drawer is internally provided with a plurality of independent medicine storage spaces, and the medicine drawer assembly is used for drawing out the preset drawer to the preset position or pushing the preset drawer into the cabinet body according to control signals. The intelligent control device is used for determining the permission of a user according to identity verification information input by the user and sending the control signal that the preset drawer is drawn out to the preset position or pushed into the cabinet body to the medicine drawer assembly according to the operation function corresponding to the permission. According to the intelligent medicine safety cabinet and the intelligent medicine management system, the medicine storage safety is improved, intelligent management can be carried out on medicine of different types, and tracing and validity period management based on single medicine can be achieved as well.
Owner:北京启源信德环境科技有限公司

Multifunctional station line loss management system

The invention discloses a multifunctional station line loss management system, and belongs to the field of power generation, power transformation or power distribution. The system comprises an existing transformer area digitalization management system, wherein the transformer area digitalization management system reads power supply and sale quantity information of each outgoing line or each user of a transformer substation to compute line loss; a list of line loss rates of the users in a previous month is exported from the transformer area digitalization management system; a line loss distinguishing data model is established to screen high line loss rate transformer areas; line loss data exception transformer areas are locked; the users in the line loss data exception transformer areas are counted according to power quantity differences of the users during flat and peak load periods; and exceptional power utilization periods are automatically distinguished by comparing the power quantity differences during the flat and peak load periods. The system can increase a distinguishing success rate of transformer area / station line loss factors, can progressively improve an integral line loss control level of transformer areas / stations by virtue of a spiral rising working mode, can gradually reduce an integral line loss rate of a regional power supply network, and can be widely applied to the field of operation analysis and power utilization management of power systems.
Owner:SHANGHAI MUNICIPAL ELECTRIC POWER CO

Preparation method for bagasse cellulose nanofiber membrane

The invention discloses a preparation method for a bagasse cellulose nanofiber membrane. The method comprises the main steps of preparing bagasse, preparing bagasse cellulose and preparing the bagasse nano-cellulose membrane. (1) acid-base chemical treatment is carried out; (2) solution is treated through the mechanical methods such as grinding and centrifuging, and uniform biomass cellulose nanofiber is prepared; (3) membrane formation is carried out through vacuum filtration. The preparation method has the advantages that the method is simple, the cost is lower, the popularization is easy, the reclamation and effective recycling of waste are realized, the pollution to the environment is relieved, and the high-value utilization of bagasse is also facilitated.
Owner:SHANDONG LVSEN WOOD PLASTIC COMPOSITE

Phone call intercepting method and device

ActiveCN102694900APrevent the interference of harassing phone callsReduce efficiencySubstation equipmentSecurity arrangementReal-time computingIntercept method
The invention discloses a phone call intercepting method and device. The method comprises the following steps of: establishing an information list to be intercepted in advance, wherein the information list to be intercepted comprises location and / or area code number segment of phone numbers to be intercepted; monitoring an incoming call condition in a communication terminal to obtain the phone number of the current incoming call; judging whether the location and / or area code number segment of the phone number of the current incoming call is in the information list to be intercepted established in advance or not; and if so, taking the current incoming call as an object to be intercepted, and intercepting the current incoming call. With the adoption of the method and the device, the intercepting of crank calls can be effectively realized; and meanwhile, the effectiveness of realization can be guaranteed.
Owner:360 TECH GRP CO LTD

Facial expression identification method based on Gabor wavelet and gray-level co-occurrence matrix

ActiveCN105005765AAdd spatial location informationMultiple referencesAcquiring/recognising facial featuresColor imageFeature vector
A facial expression identification method based on a Gabor wavelet and a gray-level co-occurrence matrix. According to the method, firstly, a pure face region in an expression image is extracted by a manual partitioning method and color image gray processing, histogram equalization and scale normalization processing are carried out; then data redundancies of conventional Gabor features are greatly reduced by a method for carrying out block extraction on a Gabor feature statistic, and the gray-level co-occurrence matrix which reflects the image texture features is introduced into the field of expression identification for the first time so as to make up the defect of deficiency of pixel spatial relativity, which is caused by Gabor feature block processing; and finally, a set of low-dimension feature vectors for feature expression are generated and on the premise of ensuring a high expression identification rate, the expression identification rate is greatly improved.
Owner:BEIJING UNIV OF TECH

Hydrodynamic-cavitation enhanced water treating apparatus

The invention discloses a hydrodynamic-cavitation enhanced water treating apparatus, comprising a pretreatment unit, an enhanced cavitation formation device, a water feedback cycle treatment loop, a multi-parameter water quality detection / display system and a smart automatic control system, wherein the multi-parameter water quality detection / display system is composed of a pressure sensor, a redox potential sensor, a flowmeter, a pH sensor, a conductivity sensor, a dissolved oxygen sensor, a chemical oxygen demand sensor, a total organic carbon sensor, a temperature sensor and an LED (Light-Emitting Diode) touch display screen, all of which are orderly mounted in a water outlet pipeline; the two ends of the water feedback cycle treatment loop are connected to the front section of a water outlet electromagnetic valve and the front end of a water pump of a water inlet pipeline, respectively; and the water outlet electromagnetic valve and a cycle-treatment electromagnetic valve are connected to a programmable controller, respectively. The hydrodynamic-cavitation enhanced water treating apparatus is used for water treatment and purification, and realizes online detection and display of a plurality of water quality parameters and operating parameters therein and automatic control on the operation thereof by means of a plurality of sensors.
Owner:SANITARY EQUIP INST ACAD OF MILITARY MEDICAL SCI PLA

Intelligent medical online service system and intelligent medical online service method

The invention discloses an intelligent medical online service system and an intelligent medical online service method, which solve the technical problem that in the prior art, real-time and effective tracking between doctors and patients is lacked. The intelligent medical online service system comprises a server platform, a database server, at least one portable health device, at least one doctor terminal and at least one patient terminal, wherein each doctor terminal is connected with the server platform which is also connected with the database server, each portable health device is connected with the server platform, and each patient terminal is connected with the server platform; and wherein, the portable health device is used for collecting health state data, the server platform is used for monitoring the portable health device and thereby transmitting the monitored health state data to the database server and the doctor terminal, and the server platform is used for pushing medication prompt of the doctor corresponding to the health state data to the patient terminal. Therefore, monitoring on continuous health state of the patient the medication prompt for the patient are achieved, and the medical treatment is effective, efficient and convenient.
Owner:HUBEI UNIV

Method of home terminal to access message middleware based on MQTT protocol

The invention discloses a method of a home terminal to access message middleware based on the MQTT protocol, and relates to the technical field of the Internet of Things. The method comprises the following steps: S1, importing home terminal information; S2, requesting, by the home terminal, an authentication service platform, and performing calculation encryption to obtain a check code; S3, sending, by the home terminal, the check code to the authentication service platform for comparison and verification, and returning a security token if the check code is consistent; S4, requesting, by the home terminal carrying the security token, the authentication service platform to obtain the message middleware connection information; and S5, accessing, by the home terminal, the message middleware,and calling, by the message middleware, an authentication service platform interface to perform client identity authentication. According to the method, the authentication information of the message middleware and the device is separated, which is beneficial for the enterprise to perform unify and centralize the device access information and the security token information of the message middleware, thereby reducing the pressure of the message middleware server because of the batch access authentication, and greatly improving the system performance and the security.
Owner:FENGHUO COMM SCI & TECH CO LTD

Multicasting route algorithm of low-time-delay delay tolerant and disruption tolerant sensor network

The invention provides a multicasting route algorithm of a low-time-delay delay tolerant and disruption tolerant sensor network. The algorithm uses a clustering method to grade a network and divides the network into a plurality of clusters; a cluster head is selected according to a corresponding cluster head selection algorithm, and among-cluster nodes and in-cluster nodes use different transmission manners to carry out information transmission; and with the adoption of the algorithm, the transmission delay of the network can be reduced, and the energy balance of nodes in the network can be realized. The multicasting route algorithm provided by the invention has the beneficial effects that the different transmission modes for the in-cluster nodes and the among-cluster nodes can be realized by clustering the network, so that the delay in grouping, caused by factors, such as blocking, energy and the like, can be greatly reduced; and meanwhile, the life cycle of the network can be prolonged.
Owner:UNIV OF SCI & TECH BEIJING

Method for improving anaerobic digestion performance of sludge by utilizing microwave alkaline thermal hydrolysis

The invention relates to a method for improving anaerobic digestion performance of sludge by utilizing microwave alkaline thermal hydrolysis, and the method belongs to the technical field of solid waste treatment. Alkaline solution is firstly added in the sludge with the solid concentration of 7 percent-10 percent for controlling the pH value of the sludge, the mixing is carried out after adding the alkaline solution, the alkalified sludge is placed in a pressure-bearing reactor, the heating is carried out in a microwave field with the frequency of 2450MHz, the sludge heated by microwave is cooled to the room temperature, and the anaerobic digestion treatment is carried out on the sludge after the cooling. More than 60 percent of organic matters in the sludge which is treated by the method are converted to liquid phase; during anaerobic digestion, the conversion efficiency of the organic matters of the sludge is improved, thereby being an effective means for realizing the whole process pollution control, the energy conservation and the emission reduction of sewage treatment.
Owner:TSINGHUA UNIV

Fog computing task unloading method for Internet of Things

The invention relates to a fog computing task unloading method for the Internet of Things, and belongs to the technical field of mobile communication. According to the method, bidirectional matching joint modeling are carried out task unloading decisions, transmission resource allocation and computing resource allocation, and FN and IoT equipment to minimize the total overhead problem of the system. Firstly, QoS requirements of the IoT equipment are analyzed based on an analytic hierarchy process, and priorities are established according to different QoS requirements of the IoT equipment; secondly, RB allocation is conducted on the IoT devices, and the number of RBs needed by every IoT equipment is determined; then, computing resource allocation is carried out, and the computing time delayis determined. Based thereon, a bi-directional matching game is established, and a stable association between the FN and the IoT device requesting offloading is determined. And finally, every IoT equipment makes an unloading decision according to the task local computing overhead and the task unloading computing overhead. According to the invention, the total time delay and the energy consumptioncost of the system are reduced, and the stability of IoT equipment association and the effectiveness of resource allocation are realized.
Owner:CHONGQING UNIV OF POSTS & TELECOMM

Method for monitoring reservoir patrolling in real time based on three-dimensional GIS

The invention discloses a method for monitoring reservoir patrolling in real time based on three-dimensional GIS. The method comprises the following steps: communicating a mobile terminal platform with a monitoring center to transmit geographic location coordinates and site environment information; constructing a reservoir patrolling spatio-temporal database for recording patrolling task information by the monitoring center; constructing a three-dimensional digital scene model of a reservoir region by utilizing a three-dimensional GIS and unmanned aerial vehicle oblique photography to displaypatrolling track information of the patrolling task and site environment attribute information; updating patrolling task progress in real time, displaying a complete patrolling route change in a three-dimensional digital geographic scene of the reservoir region, and providing real-time browsing of patrolling information; and after finishing the reservoir patrolling task, storing space data acquired in the patrolling task and historical data information, providing task backtracking at any angle of view in the three-dimensional digital geographic scene, and submitting a reservoir patrolling digital report. The method provided by the invention can simulate site conditions and progress of the patrolling task more accurately, and achieve purposes of informationization, contextualization and effectuation of the monitoring of the reservoir patrolling task.
Owner:CHANGJIANG RIVER SCI RES INST CHANGJIANG WATER RESOURCES COMMISSION

Smart city system

The invention discloses a smart city system, which comprises a function system, a physical system and an information system, wherein the function system is a form of functional performance, the information system is a way of function realization, and the physical system is a carrier for providing a physical support for function realization; the function system is of a five-platform structure; the physical system is of a five-layer structure; and the information system is of a five-domain structure. Detailed division is carried out on the smart city system, and the smart city system accurately describes which functions a smart city realizes and how to realize the functions from three dimensions of the function system, the physical system and the information system. Through setting the technical features, the smart city system with the clear system, the explicit functions, the hardware matching and the clear information transfer can be constructed, the basic model guarantee is provide for final realization of the smart city, and the application range is wide.
Owner:CHENGDU QINCHUAN IOT TECH CO LTD

Method for preparing environment-friendly plasticizer by recycling waste resources

The invention relates to a method for preparing an environment-friendly plasticizer by recycling waste resources. The method comprises the following steps of transferring alkali-reduction wastewater containing sodium terephthalate into an acid precipitation tank with a stirring device and adding sulfuric acid to further precipitate terephthalic acid (PTA) solids; carrying out plate-frame filtration on the mixed solution to obtain a crude PTA material; adding the recovered crude PTA material into an esterification reactor with an alcohol-water separation device, adding iso-octanol, heating and dehydrating, adding tetrabutyl titanate as a catalyst and carrying out esterification reaction; after water is no longer produced, stopping reaction and dealcoholizing to obtain a crude DOTP (Dioctyl Terephthalate) product; rectifying the prepared crude DOTP product in a packing-type rectifying tower to obtain a rectified product, adding the rectified product into a neutralization reaction kettle, adding sodium hydroxide lye, stirring and washing with alkali; standing, precipitating and discharging the aqueous solution in the lower layer, adding hot water, stirring and washing with water, standing, precipitating and discharging the moisture in the lower layer, carrying out temperature-raising dehydration, adding an inorganic filter aid and filtering to obtain the pure DOTP product. By the method, the recycling of the waste resources is achieved.
Owner:INST OF CHEM IND OF FOREST PROD CHINESE ACAD OF FORESTRY

Integrated attitude determination method based on ant colony unscented particle filter algorithm

The invention discloses an integrated attitude determination method based on an ant colony unscented particle filter algorithm, which relates to an inertial / astronomical integrated attitude determination method. The method comprises the following steps of: compensating gyro output data by using inertial measurement information and acquiring carrier attitude information through attitude calculation; acquiring required astronomical attitude information by using astronomical measurement information through a deterministic algorithm; fusing the astronomical attitude information with the carrier attitude information by using an ant colony unscented particle filter algorithm, solving nonlinear and noise non-Gaussian problems of a system, solving high-accuracy carrier attitude information, estimating gyro drift, and feeding back and correcting carrier attitude and compensating the gyro drift; and finally realizing on-line correction of eliminating random errors of a gyro of an inertial / astronomical integrated navigation system in real time based on the astronomical measurement information, and finishing long-term and high-accuracy combined attitude determination of a spacecraft.
Owner:BEIHANG UNIV

Light source device capable of switching to different color temperature planes

A light source device capable of switching to different color temperature planes includes a cooler, a first lighting module, a second lighting module and a rotating mechanism. The cooler has a first surface and a second surface formed at one side of the first surface. The first and second surfaces are non-coplanar to each other. The first lighting module is arranged onto the first surface by adhesion and the second lighting module is arranged onto the second surface by adhesion. The first lighting module and the second lighting module can radiate light of different color temperatures respectively. The rotating mechanism, which is connected to the cooler, provides a rotating operation to the cooler. When the first surface or the second surface is rotated for radiating light, the first lighting module or the second lighting module can emit an illumination of different colors.
Owner:EDISON-OPTO

Method of packing member and consistent visit

The invention includes following contents: setting up component library on one or multiple computers, logging components obtaining from Internet into the component library to constitute component library computer; setting up component directory library on one computer so as to constitute component directory library computer; packaging components picked up from component library computer by users forms component packages, which are organized and stored on component directory library computer; based on information of component packages in component directory library computer, component users access package resources in consistency. The invention realizes unified describing component resources and organizing component resources effectively so as to support retrieving component resources in high efficiency and consistent access. The invention is applicable to finance, education, E-commerce etc. to raise reusability of networked software and efficiency of developing software.
Owner:TSINGHUA UNIV

System and method for realizing real-time tracking of casting blank

The invention discloses a system and a method for realizing real-time tracking of a casting blank, belonging to the field of metallurgical continuous casting. The system comprises a casting blank cutting module, a quality signal processing module, a crystallizer liquid level fluctuation calculating module, a transition blank calculating module, a superheat degree calculating module and a casting blank and abnormal event matching module. According to the system and the method provided by the invention, the accuracy of an online quality judging system can be greatly improved through the real-time tracking of the casting blank; the automatic judgment of the casting blank can be realized; the labor intensity of staff on duty can be greatly reduced; the promptness and the effectiveness of judging the casting blank can be realized; the system and the method create a heating assembly and conveying condition; and meanwhile, the direct installation can be possible, and the production cost is reduced.
Owner:BEIJING SHOUGANG CO LTD

Device for testing single event upset fault resistance of on-board software

InactiveCN102096627AEasy to reinforceTroubleshooting Single Event Event Simulation for Failure TestingSoftware testing/debuggingOn boardElectromagnetic pulse
The invention relates to a device for testing a fault of satellite on-board software, and discloses a device for testing the single event upset fault resistance of on-board software, which comprises an on-board data managing computer (2), an on-board computer run testing environment (3), a remote injected data receiving device (4), a telemetry data processing device (5) and a fault simulating module (1), wherein the on-board data managing computer (2) is used for running on-board control software; the on-board computer run testing environment (3) is used for observing the danger of the occurrence of the single event upset fault of the on-board software and the time of the fault recovery; the remote injected data receiving device (4) is used for receiving a command, data and a program from the ground; the telemetry data processing device (5) is used for displaying the run state and the fault record of the on-board software; and the fault simulating module (1) is used for automatically simulating a single event upset fault event in a timing manner. The invention solves the problem of on-board apparatus fault test and the single event or electromagnetic pulse jamming, thereby realizing the purposes of evaluating the effectiveness of the measure of resisting the single event and improving the enhancement of the on-board software.
Owner:SHANGHAI SATELLITE ENG INST

Laboratory data collection and management system

InactiveCN104301393ALong-term effective preservationLong-term effective managementResourcesTransmissionData displayData management
The invention relates to a laboratory data collection and management system. The laboratory data collection and management system comprises at least one laboratory data management system used for a server and at least one laboratory data collection system used for a mobile intelligent terminal. The laboratory data collection system used for the mobile intelligent terminal comprises a terminal data collection module, a terminal data preprocessing module, a terminal data storage module, a terminal data calling module, a terminal data displaying module and a terminal data communication module. The laboratory data management system used for the server comprises a server data communication module, a server data storage module, a server data calling module and a server data displaying module. According to the laboratory data collection and management system, the mobile intelligent terminal is used for obtaining data in real time, the server is used for gathering and managing the laboratory data, and therefore it is guaranteed that all the laboratory data can be effectively stored and managed for a long time and all researchers can call the laboratory data within authority limits of themselves.
Owner:SHANGHAI TUVA LAB

Method and device for searching fake plate suspicion vehicle

The invention relates to the field of intelligent transportation, and discloses a method and device for searching a fake plate suspicion vehicle. According to the method for searching the fake plate suspicion vehicle, with respect to two adjacent passage records in snapshot time, if at least one middle pass point needing to be snapshot exists in all routes between pass points of the two passage records without detection records, a vehicle is judged to be the fake plate suspicion vehicle, and therefore a novel method convenient and reliable to use is provided for the judgment of the fake plate suspicion vehicle. A vehicle object-oriented storage and search method is adopted for vehicle historical data in the system, all vehicles with different license plates in the system are used as the maximum record number, a unique index is established through the license plates, the tiny text message with the memory content of the passage records of each vehicle being within a single-vehicle object record is increased, storage resources are saved, the searching speed of the historical vehicle passing record is increased, the problems that a plurality of database records need to be searched in fake plate suspicion vehicle comparison, so that resource consumption is large and real-time implementation can not be achieved are solved, and real-time effective detection can be achieved.
Owner:上海弘视通信技术有限公司

Non-air conduction speech enhancement method based on wavelet-packet energy

InactiveCN101625869AImplementing Adaptive Noise CancellationAchieve effectivenessSpeech analysisSelf adaptiveSpeech enhancement
The invention relates to a non-air conduction speech enhancement method based on wavelet-packet energy; based on decomposing and reconstructing speech signals by applying wavelet packet analyzing technique, threshold valve self-adaption adjustment is carried out on decomposed wavelet-packet coefficients from two aspects of scale and time, and then the coefficients are reconstructed so as to realize noise self-adaption elimination of the speech signals, thus realizing algorithmic availability and stronger pertinence. The embodiment of the method shows that the non-air conduction speech enhancement method can effectively make up the weakness of the poor pertinence of the traditional speech enhancement method, has high execution efficiency and obvious effect; therefore, the method has stronger practical value and application prospect.
Owner:FOURTH MILITARY MEDICAL UNIVERSITY

Monitoring analysis system based on network service and application

ActiveCN103532739AExtensive monitoring and collection functionsAchieve effectivenessData switching networksGraphicsStructure of Management Information
The invention provides a monitoring analysis system based on network service and application. The system directly obtains structualized resources and monitoring data of targets in modes of direct collection, agency, sensors and the like, in addition, the structualized resources and the monitoring data are stored in a database in a special structure, the inquiry of structualized resources of the targets and any target nodes from logic structures is realized, or any nodes of the structualized resources are selected for horizontal and vertical comparison and analysis, and report forms and warning information are output. The monitoring analysis system based on the network service and application has the advantages that the real-time monitoring and configurable task monitoring on target resources is realized, further, the network service operating in the actual network and the operation state of the application are further obtained, then, the data analysis results are provided for network maintenance and management personnel in visual forms of patterns, data, report forms and the like, meanwhile, the real-time warning can be given for network emergency events, in addition, the accurate network node positioning is carried out, the finding time is reduced to minimum, and the support is provided for timely processing.
Owner:PHICOMM (SHANGHAI) CO LTD

Digital copyright protection method and management device thereof for digital video disc system

A digital copyright protection method and a management device thereof for a digital video disc system relate to multimedia field. The management device is composed of an authorization management system, a replication business system and authorized playing equipment. The authorization management system is composed of a content protection authorization manager, a replication business authorization manager, a system safety data manager and a playing equipment authorization manager; the replication business system is composed of an authorization file manager, a making authorization manager and an encryption distribution manager; the playing equipment is composed of a playing authorization file manager, a legality authentication manager and a decryption playing manager. The invention adopts dual-key asymmetric encryption technique to build the digital copyright protection safety system for the digital video disc system, realizes the authorization management of the replication business system and meets the domestic tremendous HD content publishing and consumption demands; besides, the invention also has the advantages of safety, reliability and low operation cost.
Owner:TSINGHUA TONGFANG CO LTD +2

Active soil gas collecting device and collecting method

The invention discloses an active soil gas collecting device and collecting method. The active soil gas collecting device comprises a gas collecting bag, a gas sampling device, a filter, a nylon gas guiding pipe and a soil gas sucking and filtering device, wherein the gas sampling device is composed of a diaphragm pump, a regulating valve, a buffer, a flow meter, an electronic time-controlled circuit, an under-pressure indicating circuit, a power supply, a gas inlet and a gas outlet, wherein the soil gas sucking and filtering device consists of a fixed cylinder frame, a filter net, gravel, a nylon gas guiding pipe and a threaded pipe joint. When a soil gas is collected, the gas inlet pipe of the gas sampling device passes through the filter, and is connected with the nylon gas guiding pipe of the soil gas sucking and filtering device by virtue of a flexible through connection pipe, and the gas collecting bag is connected with the gas outlet pipe of the gas sampling device. The active soil gas collecting device can be used for collecting the soil gas in an existing monitoring cell, and can be distributed in soil of different depths according to a test requirement for collecting soil gases of different depth ranges, can be used for realizing long-term monitoring in the fixed-point soil, is simple in structure, high in soil gas collecting efficiency, and convenient and rapid to operate, and has a good effect.
Owner:INST OF GEOGRAPHICAL SCI & NATURAL RESOURCE RES CAS

EVA damping element and shoe sole with the same

ActiveCN104490008AEffective secondary recyclingStable secondary recyclingSolesWaste managementScrap
The invention discloses an EVA damping element capable of effectively integrating EVA waste heads, effectively and completely developing performance characteristics of the EVA waste heads and realizing the effective secondary recovery of the EVA waste heads, and a shoe sole with the damping element. The EVA damping element comprises an element body with a filling groove, gel medium is fully filled in the filling groove, and EVA waste head particles are distributed in the gel medium; the EVA waste head particles are obtained through cutting up the EVA waste heads, and the maximum radial dimension of the EVA waste head particles is smaller than the groove depth of the filling groove; a sealing plate covers the notch of the filling groove of the element body, and the sealing plate enables the filling groove to form a closed space.
Owner:MAOTAI FUJIAN SOLES CO LTD
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