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107results about How to "Improve update process" patented technology

System and method for quickly arranging and updating virtual environment in cloud computing platform

The invention discloses a system and a method for quickly arranging and updating virtual environment in a cloud computing platform. The method includes that a configuration file is used to describe the virtual environment and analyzed to be a model, model difference is calculated to acquire operation sets, the operation sets are sequenced and then executed, a programming interface and a hardware source pool provided by the cloud computing platform are used to operate virtual hardware in the process of execution, a programming interface provided by an automated software configuration management tool to operate software, needed virtual environment is acquired after execution of all operations is completed, and the above process can be repeated by modifying the configuration file and resubmitting the same to update the virtual environment which is arranged already. By the system and method, work when a user arranges the virtual environment is greatly simplified from multiple aspects, capability in updating the virtual environment is provided, arranging and updating processes are accelerated, and multiplexing capability of configuration is improved. The system and the method have wide application and popularization prospect.
Owner:山东中创软件商用中间件股份有限公司

Method and device for verifying integrity of security critical data of program in process of running

ActiveCN102930185AAvoid attackIntegrity verification implementationProgram/content distribution protectionData setData integrity
The invention discloses a method and a device for verifying the integrity of security critical data of a program in the process of running. The method comprises the following steps: 1) indicating a security critical variable in the program, generating a security critical data set in the process of compiling, dividing a virtual address space of the program into a protected area and a non-protected area in the process of loading the program, loading the security critical data set to the protected area, and constructing an integrity verification tree for a virtual page of the protected area of the program; and 2) in the process of writing program data into a memory, updating a root verification value; and in the process of reading program data from the memory, generating a new root verification value, comparing the new root verification value with the original root verification value, if the two are equal, determining that the security critical data set is not tampered, otherwise, determining that the security critical data set is tampered. The device comprises a data integrity verification circuit, a root verification value storage module and a comparator. The method and the device disclosed by the invention have the advantages of high safety performance, strong attack prevention performance, small calculated amount, and less occupied storage space.
Owner:NAT UNIV OF DEFENSE TECH

Devices and methods for forwarding information base aggregation

Networking devices and methods for forwarding information base (FIB) aggregation are provided. A networking device includes a processor operable to access entries in a FIB, and aggregate the FIB entries to produce an aggregated FIB with strong forward correctness. In aggregating the FIB entries, the processor is operable to: (a) associate the FIB entries with nodes (n) in a patricia trie; (b) traverse the patricia trie depth-first in post-order and determine for each node a next-hop set, without expanding the trie, by merging what would be the next-hop sets of its imaginary children nodes if there is a complete binary tree; and (c) traverse the patricia trie depth-first in pre-order, select for the root node a next-hop from its next-hop set and include the FIB entry associated with the root node in the aggregated FIB, for each node having a selected next-hop that appears in its child's next-hop set, select that next-hop for the child as its next-hop and exclude the FIB entry associated with the child node from the aggregated FIB, and for each child node which does not have in its next-hop set the selected next-hop of its parent, select a next-hop from its next-hop set and include the FIB entry associated with the child node in the aggregated FIB.
Owner:UNIVERSITY OF MEMPHIS RESEARCH FOUNDATION +1

Ultrasonic vibration auxiliary micro-electrochemical electrical discharge wire-cutting machining method and device

InactiveCN105269094AIncrease the maximum lengthImprove update processElectrolysisDrive wheel
The invention belongs to the field of combined micro-machining and relates to an ultrasonic vibration auxiliary micro-electrochemical electrical discharge wire-cutting machining method and device for non-conductive hard and brittle material machining. The machining method comprises the steps that ultrasonic vibration is utilized for exciting a workpiece in the axial direction of an electrode wire, the electrode wire and an auxiliary electrode are subjected to an electrolytic reaction in an electrolytic solution so that hydrogen gas is separated out around the electrode wire, and then a gas film is formed so that the electrode wire and the electrolytic solution can be insulated. The machining device comprises a machine tool bed, an electrolysis-electrical discharge wire cutting device, an ultrasonic vibration unit and a workbench. A wire storage cylinder, a driving wheel, a tensioning device and a guide wheel support are arranged on the machine tool bed. The electrolysis-electrical discharge wire cutting device comprises a clamping device for fixing the workpiece, the workpiece, a main shaft, a wire driving device, the electrode wire, a working solution box containing the electrolytic solution, an auxiliary electrode and an electrolysis-electrical discharge power source. The auxiliary electrode is connected with a positive electrode of the electrolysis-electrical discharge power source. The electrode wire is connected with a negative electrode through an external wire feeding device. According to the method and device, implementation is easy, the production cost is lowered while the precision and efficiency are ensured, and the method and device can be widely applied to micro-machining of various non-conductive hard and brittle materials.
Owner:SHANDONG UNIV

Visual development method and system for integrating service process and communication message, and medium

The invention discloses a visual development method and system for a business process and a communication message, and a medium. The method comprises the following steps: creating a business process in a visual integrated development platform displayed by a visual interaction interface; entering a process editor, and loading a component toolbox; combining, configuring and serially connecting components in the component tool box in the process editor to form a visual process, and generating a process definition file; entering a message editor when the packet adapter assembly or the unpacket adapter assembly is configured; configuring a packaging process or an unpackaging process of the message data in a message editor by utilizing the message node combination, and generating a message definition file; and deploying the process definition file and the message definition file to a workflow service platform, initializing, and storing the unique identifier of the business process. Visual editing of the service process and the message configuration is combined for development, which is significantly superior to separate development of the two processes, development efficiency is improved, and rapid popularization and updating of actual services are facilitated.
Owner:CHINA ELECTRONICS GREAT WALL CHANGSHA INFORMATION TECH

Anti-acne composition containing epidermal growth factors and tea tree oil and preparation method thereof

The invention discloses an anti-acne composition containing epidermal growth factors and tea tree oil and a preparation method thereof. The anti-acne composition disclosed by the invention comprises the following components: epidermal growth factors, tea tree oil, metallothionein, chlorhexidine, humectant, tackifier, alpha-carboxylic acid, pH value regulator, surfactant and deionized water. The preparation method of the anti-acne composition disclosed by the invention comprises the following steps of: mixing and heating the epidermal growth factors, the tea tree oil, the metallothionein, the chlorhexidine and the surfactant to be used as an oil phase; dissolving and heating the humectant, the tackifier and the alpha-carboxylic acid in water to be used as a water phase; adding the oil phase into the water phase, and stirring uniformly; and adding the pH value regulator for regulating the pH value, thereby obtaining the anti-acne composition containing epidermal growth factors and tea tree oil. The epidermal growth factors contained in the anti-acne composition disclosed by the invention can accelerate the metabolism of skin cells, and the natural tea tree oil capable of resisting bacteria and diminishing inflammation can efficiently sterilize bacteria, diminish inflammation and remove acnes, thus the anti-acne composition has good moisture retention and small skin irritation.
Owner:SOUTH CHINA UNIV OF TECH

Device used for electrolyzing and processing double-faced trumped-shaped hole array in a thin walled cylinder

InactiveCN103084677AStable and reliable positioning and supportWorkpiece deformation is smallElectrochemical machining apparatusDrawing ratioThin walled
The invention discloses a device used for electrolyzing and processing a double-faced trumped-shaped hole array in a thin walled cylinder. A tool negative pole is a hollow rotary cylinder which is provided with a liquid inlet hole and a liquid outlet hole. A workpiece positive pole, an axis and an non-contact ground sleeve are arranged on the outside of the tool negative pole. Two ends of a ringlike cavity formed between the tool negative pole and the workpiece positive pole are in motive seal through electric insulation motive seal pieces. Two ends of the tool negative pole are respectively connected with an electrolyte circulating filtration unit. A positive pole and a negative pole of an electrochemical machining power supply are respectively connected with the workpiece positive pole and the tool negative pole. Two carrier rollers which are parallelly arranged below the workpiece positive pole are in line contact with the workpiece positive pole. The carrier rollers are driven by a power source unit. Two parallel carrier rollers are used for supporting and locating the large draw ratio thin walled cylinder stably and reliably, workpieces have small deformation, the workpiece positive pole is in a rotary state in the process of processing, electrolytes in a small hole of the workpiece positive pole can drop automatically under the effect of gravity, thus benefiting removal of electrolysates in a blind hole and update of the electrolytes in the small hole.
Owner:HENAN POLYTECHNIC UNIV

Microbial remediation agent and preparation method thereof

The invention provides a microbial remediation agent, belonging to the technical field of remediation of contaminated soil. The microbial remediation agent comprises 3,5-dinitroguaiacol salt as shownin a formula which is described in the specification, a composite microbial agent, polyvinyl alcohol modified nanometer zero-valent iron, a microbial carbon source and a microbial nitrogen source. Thepreparation method for the microbial remediation agent comprises the following steps: 1) preparing the polyvinyl alcohol modified nanometer zero-valent iron under the protection of nitrogen; 2) adding the composite microbial agent into a 3,5-dinitroguaiacol salt solution, carrying out complete mixing, and carrying out drying at a low temperature; 3) adding the polyvinyl alcohol modified nanometerzero-valent iron obtained in the step 1) into a mixture obtained in the step 2); and 4) adding the microbial carbon source and the microbial nitrogen source into a product obtained in the step 3). The microbial remediation agent provided by the invention has the following beneficial effects: the microbial remediation agent can rapidly degrade organic substances like PAHs, i.e., naphthalene, phenanthrene and the like in the contaminated soil into micromolecular substances to be absorbed and utilized by microorganisms, and can effectively remove Cr(VI) and reduce heavy-metal pollution of chromium.
Owner:海盐县凌特生物科技有限公司

Airship based three-dimensional WiFi (Wireless Fidelity) fingerprint drawing system and method

The invention relates to the technical field of wireless communications, and in particular to an airship based three-dimensional WiFi (Wireless Fidelity) fingerprint drawing system and method. The method comprises the steps of mounting a WiFi positioning module and a WiFi fingerprint collection module on an airship; mounting a plurality of AP (Access Point) control points at key positions; carrying out real-time communication with a background positioning server; dynamically acquiring space-time information of the airship to realize navigational flight based on a spatial position and a route; dynamically collecting WiFi signals in the process; synchronously recording a temporospatial four-dimensional coordinate and a movement locus; integrally inputting the data into a GIS (Geographic Information System) module; automatically drawing an indoor (outdoor) three-dimensional WiFi map. Aiming at the problems of too much overhead, insufficient expansibility and the like of existing WiFi fingerprint matching positioning training, WiFi fingerprints are automatically collected by using a barrier-free positioning airship, the problems of long construction time, complex treatment, insufficient information, unfavorable maintenance and the like are solved, the construction and updating of the fingerprint map are accelerated.
Owner:SHENZHEN INST OF ADVANCED TECH
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