101results about How to "Improve distribution speed" patented technology

In a fan filter unit for filtering and continuously supplying clean air into a clean room, the fan filter unit includes a chemical filter for removing chemical contaminants contained in the air, a fan for sucking and blowing out the air, and a particle filter for removing particles such as dusts and moisture contained in the air. A filter medium of the chemical filter has a circular tube shape and is disposed between an inner circular tube and an outer circular tube. A cover is detachably combined with top portions of the inner and the outer circular tubes, and prevents air flow through the top portions of the inner and outer circular tubes. The air is sucked only through the outer circular tube, the chemical filter and the inner circular tube by a suction force of the fan. Accordingly, velocity distribution of the air passing through the chemical filter may be improved and lifetime of the chemical filter may be increased.

The invention discloses a logistics service system, a path analysis method and a logistics distribution method. A data interface module can access a database to obtain logistics data, and calculate the logistics data to form display data; the database can obtain logistics information on the World Wide Web by accessing the World Wide Web, then converts the logistics information into logistics dataand stores the logistics data; a transportation capacity algorithm module can access the data interface module to obtain the display data, and the transportation capacity algorithm module calculates and analyzes the display data to form a path scheme; and the data interface module can further access the transportation capacity algorithm module to obtain a path scheme having at least one path plan.The logistics service system, the path analysis method and the logistics distribution method have the advantages and beneficial effects of having excellent expansibility, excellent adaptability and wide application range, ensuring data independence and security, improving the reliability of a carriage path, providing great convenience to customers, further providing a good transportation capacityinformation display platform for carriers, and greatly enhancing the fairness and transparency of the logistics industry.

The invention discloses a printing data processing method and device and a printer. The method comprises the steps of splitting to-be-printed image data into image data according to a software processing channel; splitting each part of the image data into a plurality of parts of intermediate data according to a distribution rule of a logic processing channel; splitting each part of the intermediate data into a plurality of parts of printing data according to the arrangement rule of the nozzle rows on the corresponding nozzles; and sending each piece of printing data to the corresponding nozzlerow. According to the invention, the data processing and distribution speed and the printing efficiency are improved.

In a fan filter unit for filtering and continuously supplying clean air into a clean room, the fan filter unit includes a chemical filter for removing chemical contaminants contained in the air, a fan for sucking and blowing out the air, and a particle filter for removing particles such as dusts and moisture contained in the air. A filter medium of the chemical filter has a circular tube shape and is disposed between an inner circular tube and an outer circular tube. A cover is detachably combined with top portions of the inner and the outer circular tubes, and prevents air flow through the top portions of the inner and outer circular tubes. The air is sucked only through the outer circular tube, the chemical filter and the inner circular tube by a suction force of the fan. Accordingly, velocity distribution of the air passing through the chemical filter may be improved and lifetime of the chemical filter may be increased.

The invention provides a content distributing method and system. The method comprises: determining distance measurement values between all nodes; generating a collection tree of a plurality of shortest paths from edge nodes to a source node according to the distance measurement values between all the nodes and generating a router table; issuing the router table to all the edge nodes to generate a topological structure; and receiving a content distributing request from a request node, and distributing content, distribution of which is requested, to the request node according to the topological structure. The invention also provides the corresponding system. The method determines the shortest paths from all the edge nodes to the source node according to the distance measurement values between all the nodes, generates the router table on the basis of the shortest paths and issues the router table to all the edge nodes to generate the topological structure, so that the distance from each edge node to the source node is the shortest, and the time spent for a distributing node on distributing the content to the node requesting the content is the shortest. The method increases the speed of CDN content distribution and improves the system performance.

The invention discloses a media information processing method, a server and a storage medium. The method comprises the steps of obtaining a source file of media information to be audited; extracting afirst digital fingerprint of the to-be-audited media information from the source file, wherein the first digital fingerprint comprises a first image fingerprint and a first audio fingerprint; according to the first digital fingerprint and a second digital fingerprint of at least one piece of target media information, determining whether the to-be-audited media information is similar to one pieceof target media information, the second digital fingerprint comprising at least one of a second image fingerprint and a second audio fingerprint; and when it is determined that the to-be-audited mediainformation is similar to one piece of target media information, determining an auditing result of the to-be-audited media information according to a preset auditing result of the target media information. By utilizing the technical scheme, the duplicate removal efficiency of the media information and the resource utilization rate of the server can be improved.

The invention provides a radial guide blade of a residual heat removal pump. The radial guide blade comprises a front cover plate, a rear cover plate and a plurality of the main blades, wherein the front cover plate and the rear cover plate are respectively fixed at two ends of the main blades in uniform circumferential distribution so as to form an annular water pressing chamber, a splitter blade is arranged every two adjacent main blades, an inlet diameter D0 of each splitter blade meets that D0=0.6-0.68 (D3+D4), and outlet diameters of the splitter blades are equal to outlet diameters of the main blades. The radial guide blade has the advantages that outlet areas of a diffusing section is reduced, diffusing efficiency of the diffusing section is lowered, speed distribution of fluid in passageways of the radial guide blade is improved, vortex backflow areas are reduced, operation efficiency of the residual heat removal pump is improved, acting force of the fluid to the main blades is improved, and operation of the residual heat removal pump is enabled to be safer and more reliable.

The invention relates to the technical field of gas turbines, and provides an air inlet structure for a fuel nozzle of a gas turbine. The air inlet structure comprises a center air channel and a fuel cavity which are communicated with each other, and the center air channel is used for connecting the air into the fuel cavity. A nozzle hanging flange is arranged at one end of the center air channel, the nozzle hanging flange is provided with a plurality of air inlet channels used for connecting the air into the center air channel, and the air inlet channels are evenly distributed in the circumferential direction of the nozzle hanging flange. Each air inlet channel is provided with an adjusting mechanism, and each adjusting mechanism is used for limiting the size of the minimum flow area of the corresponding air inlet channel. Each adjusting rod can be adjusted independently, the speed distribution of the air on the head portion of a combustion chamber is effectively improved, the mixing effect of fuel and the air is improved, hence, tempering can be effectively prevented from happening at a nozzle outlet, and the reliability of the nozzle is improved. The air flow can be steplessly adjusted, stepless speed change of the air turbine can also be achieved, and the fuel can be fully burnt ultimately.

Provided is a heat exchanger which can suppress increase of pressure loss while improving nonuniform speed distribution of a fluid. In the heat exchanger (T), a fluid channel (4) is composed of flat containers (1, 2) having an inflow port (15) for the fluid at one end section and an outflow port (15) for the fluid at the other end section, and an offset type fin (5) arranged in the flat containers (1, 2). The heat exchanger is provided with a fin orthogonal intersection region (H) where the plate fin (5) orthogonally intersects with a flow direction of the fluid flowing from the inflow port (15) to the outflow port (16), and a fin parallel region (V) wherein the plate fin (5) is parallel to the flow direction of the fluid flowing from the inflow port (15) to the outflow port (16). The fin orthogonal intersection regions (H) are arranged on the sides of the inflow port (15) and the outflow port (16), and the fin parallel region (V) is arranged between the fin orthogonal intersection regions (H).

According to the embodiments of the invention, a file distributing method, apparatus and system are disclosed. The method comprises the following steps: when a file distributing task request sent from a target node is received, determining whether there exist other target nodes (or completion nodes) where the file distributing task has already been completed; if there exist such nodes, designating from the completion nodes one node as a source station corresponding to the task request; otherwise, designating a source server as the source station corresponding to the task request; and then, according to the source station, sending the file distributing task to the target node so that the target node could obtain the file from the designated source station. According to the technical schemes of the invention, it is not only possible to reduce the load of a source server and raise the stability of the source server, but also possible to increase the file distributing speed greatly.

The invention discloses a peer-to-peer network transmission neighbor node selection method. The method includes the following steps that: connections are established between a central node and targetnodes in a cluster which download a target file; downloaded fragments of the central node are calculated, so that a first bit array is obtained, fragments stored in the target nodes are calculated, sothat second bit arrays are obtained; exclusive OR operation is performed on the first bit array and all the second bit arrays, so that the mutually-different data amount of the central node and eachtarget node can be obtained; and the target nodes are sequenced according to the large-to-small order of the mutually-different data amount, so that a sorted list can be obtained, and top N target nodes in the sorted list are selected as neighbor nodes. With the method adopted, data transmission rate can be improved under the premise that impact on the normal operation of a cluster task is decreased. The present invention also discloses a peer-to-peer network transmission neighbor node selection system, a computer readable storage medium and a server. The peer-to-peer network transmission neighbor node selection system has the advantages as the peer-to-peer network transmission neighbor node selection method.

The method for quick distribution of web frame in the network equipment with flow control includes: according to the entry interface information of web frame counting it into correspondent virtual interface queue, regulating working condition of network interface, then adding the web frame into correspondent protocol queue to make analysis treatment, and taking out it and distributing it. and regulating total quantity of web frame and regulating working condition of correspondent network interface. Said invention can raise working stability of router, and raise its treatment speed.

The embodiment of the invention discloses a distributed search system, an index distribution method and a storage medium, and the system comprises a distributed index construction platform which is used for constructing an index, storing an index fragment in an index storage cluster, and writing resource description information into a state storage cluster, and the index fragment comprises a plurality of file blocks; an index storage cluster; a state storage cluster; a main control cluster which is used for sending an index downloading instruction to the state storage cluster; and a search cluster, including multiple search nodes, a plurality of search nodes form a peer-to-peer network, if the search nodes monitor an index downloading instruction, index fragments and file blocks to be downloaded are determined, and if at least two other search nodes have file blocks, the search nodes determine one of the at least two other search nodes as a downloading source of the file blocks and download the file blocks from the downloading source. According to the system of the invention, the index distribution speed is increased, and the search service stability is improved.

A cooler with a cooler main body that, in one configuration, includes a first wall portion forming a cooling surface that cools an electronic component, a second wall portion disposed opposing the first wall portion, and a side wall portion that connects a periphery of the first wall portion and a periphery of the second wall portion. In the configuration, cooling fins are attached to an inner wall surface of the first wall portion, a refrigerant introduction pipe and refrigerant introduction flow path for supplying refrigerant to the cooling fins and a refrigerant discharge pipe and refrigerant discharge flow path for ejecting refrigerant from the cooling fins are included, and protruding portions and are provided on the first wall portion side of the refrigerant introduction flow path.

The invention relates to a distribution method for the downlink resource of physical layer in a TDD-OFDMA system, comprising: distributing a DL-MAP sudden(11) according to the principle of first frequency domain and then time domain, the free region below the DL-MAP sudden is distributed for an UL-MAP sudden(12) which is smaller than the DL-MAP in length; the undistributed UL-MAP sudden(12) is distributed in the effective region in a rectangular block form according to the principle of first frequency domain and then time domain, the time domain of the rectangular block is described by the right formula, the undistributed data sudden is selected in the descending order in the rectangular block form to be distributed in the effective region in turn. The method is simple to realize, avoiding the solving complexity of NP complete problem, increasing the speed of the distributing of the downlink resource of the physical layer, the method can provide an optimized preallocated bandwidth, enhance the rates of resource utilization efficiency, and reduce the explosion frame rate.