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1152 results about "Large applications" patented technology

Method and apparatus for breaking down computing tasks across a network of heterogeneous computer for parallel execution by utilizing autonomous mobile agents

A method and apparatus is provided for breaking down computing tasks within a larger application and distributing such tasks across a network of heterogeneous computers for simultaneous execution. The heterogeneous computers may be connected across a wide or local area network. The invention supports mobile agents that are self-migrating and can transport state information and stack trace information as they move from one host to another, continuing execution where the mobile agents may have left off. The invention includes a server component for providing an execution environment for the agents, in addition to sub-components which handle real-time collaboration between the mobile agents as well as facilities monitoring during execution. Additional components provide realistic thread migration for the mobile agents. Real-time stack trace information is stored as the computing tasks are executed, and if over-utilization of the computing host occurs, execution of the computing task can be halted and the computing task can be transferred to another computing hosts where execution can be seamlessly resumed using the stored, real-time state information and stack trace information.
Owner:MOBILE AGENT TECH

Preparation method of nitrogen-doped porous-structure carbon material

The invention discloses a preparation method of a nitrogen-doped porous-structure carbon material and belongs to the technical field of inorganic material preparation. The preparation method utilizes a micromolecular carbon-containing compound as a raw material and comprises the following steps of based on the weight of the raw material, adding 0-400wt% of an inorganic base, 0-400wt% of an organic nitrogen-containing compound and 0-50wt% of a metal or metal oxide or inorganic metal salt into the raw material, carrying out uniform dispersion, and carrying out a reaction process in an inert gas protective atmosphere at a temperature of 400-900 DEG C for 0.5-12h so that the nitrogen-doped porous-structure carbon material having micropores, mesopores and macropores is obtained. The preparation method has simple processes, can be controlled easily, and realizes one-step combination of porous structure, functionalization nitrogen doping and metal particle modification. The nitrogen-doped porous-structure carbon material having high nitrogen content has a large capacitance value and good cycle performances, can be used as an oxygen reduction reaction catalyst having high activity, high selectivity and high stability and has a very large application prospect.
Owner:BEIJING UNIV OF CHEM TECH

Container based dynamic arrangement method for application environment and system applying method

The invention provides a container based dynamic arrangement method for an application environment and a system applying the method. The method comprises the steps of splitting an application into a plurality of sub-modules independent in function and packaging the sub-modules into container mirror images as micro-services capable of running independently; combining a plurality of correlative micro-service containers into a plurality of container groups; setting a running number of container group instances and monitoring health information of the container group instances when the container group instances run; setting a unified access point of a plurality of container group instances same in type; accessing to multiple types of container group instances mutually through the unified access node; and dynamically adding or deleting container groups to realize dynamic arrangement of the application environment. According to the method and the system, the decoupling of each module of a large-scale application can be realized by splitting the large-scale application; and in addition, a micro-service and container mode is adopted, and compared with a conventional mode, the micro-service and container mode is quicker, more flexible and more lightweight.
Owner:CETC CHINACLOUD INFORMATION TECH CO LTD

Demand-based generation of symbolic information

A human-oriented object programming system (HOOPS) and its debugger provide an interactive and dynamic modeling system to assist in the incremental generation of symbolic information of computer programs that facilitates the development of complex computer programs such as operating systems and large applications with graphic user interfaces (GUIs). A program is modeled as a collection of units called components. A component represents a single compilable language element such as a class or a function. One major functionality built in HOOPS is the debugger, using symbolic properties. The database stores the components and properties. The debugger, using a GUI, displays to the user the execution state of the program. To display the execution state in terms of the programmer's source code, the debugger demands retrieval and/or generation of the symbolic properties of the program. The compiler, which is responsible for calculating the dependencies associated with a component, uses those dependencies to generate the information stored in symbolic properties. The debugger matches versions of source and object code and retrieves source code configuration as needed. Symbolic properties that are stored in the database can be removed to reduce database and disk memory usage; they can be later reconstructed using the same method of demand-based generation of symbolic information.
Owner:APPLE INC

Phenolic resin containing nano-carbon powder, nano-carbon modified low carbon magnesium carbon brick and production method thereof

The invention relates to a low-carbon MgO-C brick containing modified phenolic resin and nanocarbon which are produced by nano carbon powder and a preparation method thereof. Phenolic resin bonding agent containing nano carbon powder is produced by ohenol, formaldehyde, a dispersant and nano carbon powder; the low-carbon MgO-C brick is produced by adopting fused magnesite, graphite, phenolic resin and an antioxidant as raw materials. The ultrasonic dispersion method adopted by the invention replaces partial graphite with the nano carbon powder and leads the nano carbon powder into the low-carbon MgO-C brick, thus obviously improving the anti-erosion ability and the oxidation resistance of the MgO-C brick. The brick has comparatively low thermal expansion coefficient, low thermal conductivity, low oxidative mass loss and thinner decarburized layer; a slag resistance experiment under conditions of 1600 DEG C, 3h heat preservation and carbon sequestration shows that erosion and osmosis phenomenon of the brick are not obvious, thereby being applicable to sites of converters, electric furnaces and ladle working linings, external scouring of furnaces, key components for continuous castings and refractories for blast furnace ironmaking etc., thus having comparatively large application range.
Owner:ZHENGZHOU UNIV +1

Measuring method of absorption spectrum for eliminating ambient stray light interference

The invention discloses a measuring method of an absorption spectrum for eliminating ambient stray light interference, which comprises the following steps of: enabling a light beam emitted by a light source to pass through a chopper, and demodulating the light according to a first preset frequency to obtain demodulated light; irradiating the demodulated light to a sample vessel to obtain a light beam penetrating through the sample vessel; enabling the light beam to enter a first optical fiber to be transmitted to a spectrograph; continuously sampling the light beam by the spectrograph under the control of a computer according to the second preset frequency to obtain an absorption spectrum sequence Si of the surface of an object to be measured; in the computer, sequencing data corresponding to the same wavelength in the absorption spectrum sequence Si according to the time sequence to obtain a light intensity sequence of each wavelength; in the computer, carrying out Fourier transform on the light intensity sequence of each wavelength to obtain the maximum harmonic component; and in the computer, sequencing the maximum harmonic component according to each wavelength sequence to obtain an absorption spectrum. The absorption spectrum eliminates the ambient stray light interference and has larger application range.
Owner:TIANJIN UNIV

Dynamic symbolic execution method and device thereof based on overall situation super block dominator graph

The invention provides a dynamic symbolic execution method and a device of the dynamic symbolic execution method based on an overall situation super block dominator graph and belongs to the field of computer software testing and software security. The method is as follows: a control flow diagram of a tested executable program is obtained, and the control flow diagram is transformed to a super block dominator graph according to relevant theories of a dominance relation. Each nodal point in the super block dominator graph is marked with 'weight' which is updated before symbolic execution at each time, and the 'weight' indicates the least number of basic blocks which can be covered when the nodal point is executed. When one dynamic symbolic execution is over, the nodal point with the largest 'weight' value is selected from the super block dominator graph, and corresponding forecasting path constraint conditions are generated, and then a new testing use case is generated by solving of a solver, so that the next execution is driven. Compared with the prior art, the dynamic symbolic execution method and the device of the dynamic symbolic execution method based on the overall situation super block dominator graph are capable of covering code blocks as many as possible with least testing use cases, so that the growth rate of the code coverage rate is effectively accelerated, and the problem of path explosion is relieved. The dynamic symbolic execution method and the device of the dynamic symbolic execution method based on the overall situation super block dominator graph is of great importance for the performance of testing large-scale utility software of the dynamic symbolic execution.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA
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