1448results about How to "Solve bottlenecks" patented technology

The invention relates to a method for separating and extracting stem cells from a placenta, umbilical cord or adipose tissue, which comprises the following process steps: firstly mixing the placenta, umbilical cord or adipose tissue and a cell maintenance fluid according to the proportion by weight of 2.5-4:1, putting the mixture into a tissue crushing barrel, adding collagenase after crushing, uniformly mixing, hatching at the temperature of 37 DEG C, filtering, adding a precipitator, sucking a supernatant fluid after settling, centrifuging, removing the supernatant fluid, adding concentrated cells into a liquid of diatrizoate sodium-ficoll 400#, then centrifuging, collecting 10-15 ml of intermediate cell layer, washing with the cell maintenance fluid, counting the collected cells, and providing the cells for clinical use when the cell survival ratio is more than or equal to 95 percent. The invention not only realizes the separation and the extraction of all stem cells from the placenta, umbilical cord or adipose tissue, but also realizes industrialized production, and enables doctors to conveniently, safely and canonically obtain the adult stem cells in clinic and use the adult stem cells for treating the diseases of patients as using medicaments, thereby solving the bottleneck problem of difficult obtainment of adult stem cells in clinic and popularizing a cell treatment technology.

The invention relates to a high-speed photoelectric subassembly and a flip chip structure thereof. The flip chip structure comprises an insulating substrate, a photoelectric conversion chip and at least one correlative electronic chip, wherein a flip surface of the photoelectric conversion chip is connected with the insulating substrate through at least one pad; a flip surface of the correlative electronic chip is connected with the insulating substrate through at least one pad; a high-speed transmission circuit is arranged between the correlative electronic chip and the photoelectric conversion chip; another high-speed transmission circuit is arranged between the correlative electronic chip and a high-speed electric signal port of a packaging apparatus; a periphery circuit of a chip is arranged among the photoelectric conversion chip, a correlative electric chip and other parts of the packaging apparatus; and the pads, the high-speed transmission circuits and the periphery circuit of the chip form a metal film circuit on the insulating substrate.

The invention relates to a topic crawler system based on social labels, which comprises a page acquisition module, a page processing module, a correlation calculation module, a storage module, a link extraction module and a link analysis module. The system makes full use of the social labels of web pages, utilizes the properties that the social labels are the acknowledged description on page contents and are closer to actual contents described by the web pages to judge the correlation of the web pages, and applies the correlation to a network topic crawler to guide the crawling direction of the crawler and provide high-quality webpage data contents for a topic search engine. The system well uses the network bandwidth resources to reduce unnecessary expenditure during web page acquisition, adopts different storage modes aiming at different requirements to reduce the consumption of IO, and adopts a multi-level cache mechanism to reduce blockage and improve the efficiency of the crawler. Under the support of the social labels, the system optimizes a crawler framework, and provides an optimal webpage data set for subsequent other processing flows of the topic search engine.

The embodiment of the invention discloses a data forwarding method and system, and a switch. The method is applied to the data forwarding system, the system comprises a first subnet and a second subnet, the first subnet comprises a virtual machine and is configured with a virtual gateway, the second subnet comprises a plurality of gateway entities, the method comprises the following steps: receiving a first data message carrying an IP address to a to-be-accessed target and an Mac address of the virtual gateway of the first subnet sent by the virtual machine by the switch; determining a target gateway entity matched with the first data message in the second subnet according to indication information of the first subnet and the first data message; and performing package according to the first data message, the Mac address of the target gateway entity and a network identifier of the second subnet to obtain a second data message, and forwarding the second data message to the target gateway entity. By adoption of the data forwarding method and system disclosed by the invention, the gateway performance and bottleneck congestion problems of North-South communication can be solved, and the waste of IP address of the service subnet in the prior art can also be avoided.

The invention discloses an intelligent fault diagnosis system for an ICNI system, which can improve the maintenance efficiency, carry out intelligent and automatic diagnosis and is applicable to the ICNI system. According to the technical scheme of the invention, a knowledge base and a management module thereof carry out standardization research and mathematical modeling based on a fault tree, an SQL Server database software framework is adopted, a relational database is used for building a logic relation among a fault phenomenon, a fault mode, a detection method, a historical case and a fault tree internal event to form the knowledge base; and a diagnosis information acquisition module interacts with an automatic testing system via Ethernet to acquire diagnosis data from the ICNI system and a testing instrument, a reasoning machine module adopts CBR and RBR hybrid diagnostic reasoning, after comprehensive judgment is carried out on the fault phenomenon inputted by the user, the field knowledge stored by the knowledge base and the diagnosis data from the automatic testing system, a reasoning method is automatically selected to carry out reasoning diagnosis on the fault, a reasoning process and a reasoning result are outputted to an explanation machine module, and a diagnosis report is generated.

The invention proposes an efficient duplicate removal method for repeated redundant data in a cloud storage system. The method comprises the following steps: multiple clients receive data uploaded by a user, take a data superblock as a data route unit, and extract route feature fingerprints for data route selection from the data; a metadata server and a data server cluster handle data route selection requests of the clients according to a route policy, wherein the data server cluster performs similar fingerprint matching on the route feature fingerprints to determine similar route nodes, and the metadata server determines a final data route address according to a load balancing policy; and the clients interact with corresponding data servers, and the data servers receiving similar redundant data perform efficient and quick duplicate removal on the redundant data. According to the method, the cloud storage system can achieve an efficient repeated redundant data removal effect while keeping high-performance, large-scale and high-throughput system properties, the disk utilization rate is increased, and the data management cost is reduced.

The embodiment of the invention discloses a distributed storage method and device, computer equipment and a storage medium. The method comprises the steps of grouping a to-be-stored file to form multiple data groups; forming at least three data fragments from all the data groups, wherein each data fragment comprises part of data groups, and each data group is added to at least two data fragments;distributedly storing all the data fragments in distributed storage nodes; recording a corresponding relationship between the data fragments and the data groups, and a corresponding relationship between the storage nodes and the stored data fragments; deleting the local to-be-stored file. According to the technical scheme, a user conveniently stores files in a distributed network to lower the storage cost, the privacy and safety of the stored files can be effectively improved, and thus an attacker is prevented from restoring original files.

The invention discloses a method and a device for treating garbage percolate, wherein the method comprises the steps of pretreatment, anaerobic treatment, membrane biochemical treatment, nanofiltration treatment, sludge treatment and the like; the device comprises a primary sedimentation tank (1) and an adjusting tank (2), the adjusting tank (2) is connected with an anaerobic reactor (3), the anaerobic reactor (3) is connected with a denitrification tank (4), and the denitrification tank (4) is communicated with a nitrification tank (5); and the nitrification tank (5) is connected with an ultrafiltration apparatus (6), and the ultrafiltration apparatus (6) is connected with a nanofiltration device (7). The method and the device achieve COD degradation of high-concentration wastewater so that the COD of high-concentration COD of 50,000 reaches about 50 after treatment and reaches the standard of industrial reuse water, thus the method and the device achieve zero discharge of the percolate, initiate a new attempt to treat high-concentration percolate, and fill up the domestic blank.

The invention belongs to the technical field of information safety and relates to an authentication technology based on identifications, in particular to a single-point login system and a single-point login method which can be used for realizing safe single-point login among a plurality of application systems. The single-point login system comprises user key equipment and a login authenticating module which is arranged at the server end, wherein an identification private key or a composite private key is stored in the user key equipment; seed public key sets are stored in the server end and the user end; the user key equipment carries out interactive authentication with the login authenticating module at the server end when accessing a server; and the user key equipment is reformed so as to maintain an opening state after a PIN (Personal Identification Number) is input once, and the authentication work is automatically finished between the server end and the client end when the user accesses other application systems, therefore, the ideal effect of single-point login is achieved.

The invention discloses a data center, a method for processing data and a network controller. In the data center based on an SDN, a server generates a corresponding data packet according to protocols supported by the server; a switch receiving the data packet determines that the data packet is a first data packet in a data stream to which the data packet belongs, and the network controller generates a forwarding path according to the type of a data packet forwarding port; other data packets in the data stream to which the data packet belongs are forwarded through the generated forwarding path. According to the method, the type of the data stream is recognized according to the type of the data packet forwarding port, an optimal forwarding path suitable for the data stream is planned, different service grade qualities are matched for different data streams, the bottleneck of data transmission is avoided, and maintenance cost is reduced. Through the data center based on the SDN, the complexity of an original data center is lowered.