133results about How to "Smooth migration" patented technology

A system, method and article of manufacture are provided for allowing concept based information searching. Textual information is collected utilizing a network. The textual information is parsed to create topic specific information packets, which are stored in an information cache. The system parses a user query and compares the parsed user query with the information packets in the information cache to locate matching information packets and displays the matching information packets to a user.

A medical device for implantation into vessels or luminal structures within the body is provided. The medical device, such as a stent and a synthetic graft, is coated with a pharmaceutical composition consisting of a controlled-release matrix and one or more pharmaceutical substances for direct delivery of drugs to surrounding tissues. The coating on the medical device further comprises a ligand such as an antibody or a small molecule for capturing progenitor endothelial cells in the blood contacting surface of the device for restoring an endothelium at the site of injury. In particular, the drug-coated stents are for use, for example, in balloon angioplasty procedures for preventing or inhibiting restenosis.

A multi-service segmentation and reassembly (MS-SAR) integrated circuit is disposed on a line card in a router or switch. The MS-SAR can operate in an ingress mode so that it receives packet and / or cell format data and forwards that data to either a packet-based or a cell-based switch fabric. The MS-SAR can also operate in an egress mode so that it receives data from either a packet-based or a cell-based switch fabric and outputs that data in packet and / or cell format. The MS-SAR has a data path through which many flows of different traffic types are processed simultaneously. Each flow is processed by functional blocks along the data path in accordance with one of several application types, the application type for a flow being predetermined by the host processor of the router or switch. Segmentation, reassembly and partitioning techniques are disclosed that reduce costs and facilitate high-speed operation.

A system and method for delivery of high speed data services over dedicated and non-dedicated private land mobile radio (PLMR) channels using cognitive radio technology. The PLMR system provides bi-directional Point-to-Multipoint (PtMP) data communication between a dispatch center and many fixed or mobile remote terminals. A plurality of base stations communicate with a base station controller at the dispatch center and a plurality of remote radios communicate with at least one of the remote terminals. PLMR channel scanners, located in each base station and remote radio, scan the PLMR channels to determine which of the PLMR channels is idle at any point of time so that data communication may take place.

A multi-service segmentation and reassembly (MS-SAR) integrated circuit is disposed on a line card in a router or switch. The MS-SAR can operate in an ingress mode so that it receives packet and / or cell format data and forwards that data to either a packet-based or a cell-based switch fabric. The MS-SAR can also operate in an egress mode so that it receives data from either a packet-based or a cell-based switch fabric and outputs that data in packet and / or cell format. The MS-SAR has a data path through which many flows of different traffic types are processed simultaneously. Each flow is processed by functional blocks along the data path in accordance with one of several application types, the application type for a flow being predetermined by the host processor of the router or switch. Segmentation, reassembly and partitioning techniques are disclosed that reduce costs and facilitate high-speed operation.

The utility model discloses a method for controlling server flow, which comprises the following steps: a redirector is used to periodically capture and store the current flow value of the server network card; a squid program module is started to receive server access requests initiated by users and transmit user data to the redirector. When the redirector judges that the current flow reaches or exceeds the threshold flow, the user requests can be redirected to the backup server for processing. The utility model also discloses a corresponding redirector and a server flow control systems. The utility model can smoothly shift the user accesses to the backup server when the server flow reaches the preset threshold value.

A graft-stent assembly comprising a stent and a substantially tubular graft branching therefrom is disclosed. The stent is preferably deployed in a trunk vessel to support trunk vessel patency while the tubular graft is preferably deployed in a branching vessel. In embodiments, the downstream end of the tubular graft is provided with an expandable ring-shaped support member to anchor the downstream end of the tubular graft in place.

An improved prosthetic graft for the bypass, replacement or repair of vessels and organs that are in contact with blood flow is disclosed. The prosthetic graft includes a porous prosthetic implant and adherent cells adhered to the outer surface of the implant. The adherent cells are transfected with at least one recombinant nucleic acid molecule encoding at least one protein that enhances patency of the graft. The prosthetic graft has a long-term patency and success rate that is superior to other previously described prosthetic grafts designed for such use. Also disclosed are methods of making and using such a graft.

The present disclosure is directed to a method of producing nitric oxide comprising (i) providing a composition comprising a metal-organic framework, and (ii) exposing the composition to a nitric oxide-releasing compound. The disclosure also is directed to compositions, coatings, and medical devices comprising a metal-organic framework.

The invention relates to a positive electrode piece, a negative electrode piece of a lithium ion capacitance battery and a manufacture method of two electrode pieces thereof. The positive electrode piece of the lithium ion capacitance battery is characterized in that a positive electrode substrate (11) is an aluminum foil, an active carbon layer (13) is respectively clamped between the positive electrode substrate (11) and positive electrode material layers (12) arranged at both sides of the positive electrode substrate (11), and the active carbon layers (13) and the positive electrode material layers (12) form a positive electrode coating layer (14). The negative electrode piece of the lithium ion capacitance battery is characterized in that a negative electrode substrate (21) is a copper foil, an active carbon layer (23) is respectively clamped between the negative electrode substrate (21) and negative electrode material layers (22) arranged at both sides of the negative electrode substrate (21), and the active carbon layers (23) and the positive electrode material layers (22) form a negative electrode coating layer (24). The invention also provides the manufacture method of the two electrode pieces: the positive electrode piece and the negative electrode piece. The invention has the advantages of small size, low cost, fast charging (the charging time is only five minutes), high safety, simple manufacture method and high efficiency.

The invention relates to a preparation method of a nanotube array positive electrode material of a lithium sulphur battery, which belongs to a preparation method of positive electrode materials of lithium sulphur batteries and solves the problems, such as poor electrical conductivity and low specific capacity, of an existing positive electrode material of a lithium sulphur battery. The preparation method comprises the following steps: (1) preparing a titanium dioxide nanotube array, (2) depositing a conductive reinforcing material, and (3) depositing elemental sulphur, wherein the steps (2) and (3) can be repeated to form a multiple depositional cycle period, so that a positive electrode material with a multilayer coaxial heterostructure is obtained, and has different sulphur loading capacities. According to the preparation method, the titanium dioxide nanotube array is taken as a substrate material, and the conductive reinforcing material and the elemental sulphur are compounded and deposited and enter titanium dioxide nanotubes to form the positive electrode material with the coaxial heterostructure, so that the conductivity of the positive electrode material is improved, the sulphur loading capacity of the positive electrode material is improved, the cycling performance and specific capacity of a lithium sulphur battery are further improved, and the preparation method has certain impelling action for speeding up the further large scale application process of the sulphated lithium battery.

The invention provides a method and device for diagnosing the failure state of a circuit breaker. The method comprises the following steps of obtaining a current signal characteristic value f0 (t10, i10 and S0) of an opening and closing coil in a circuit breaker predelivery test; obtaining a current signal, in the power-on process, of the opening and closing coil of a circuit breaker to be tested; performing morphological filtering processing on the current signal to obtain the de-noised current signal of the opening and closing coil of the circuit breaker to be tested; calculating a corresponding characteristic value f1(t11, i11 and S1) of the de-noised current signal; judging whether the value meets the formula shown in the specification; if the value meets the formula shown in the specification, further judging whether the value meets a formula shown in the specification; if the value does not meet the formula shown in the specification, judging that an iron core of the circuit breaker is normal and a power supply of the opening and closing coil fails; if the value does not meet the formula shown in the specification, further judging whether the value meets the formula that (S1-S0) / S0 is larger than theta; if the value meets the formula that (S1-S0) / S0 is larger than theta, judging that starting lagging failures happen to the iron core of the circuit breaker. According to the technical scheme, the diagnosing efficiency can be improved, and the diagnosing precision can be obviously improved. The requirement that the circuit breaker is diagnosed online on site can be well met.

The invention relates to a shallow quantum well growth method for increasing the light emitting efficiency of a GaN-based LED (Light-Emitting Diode). The epitaxial wafer structure of the LED sequentially comprises a substrate layer, a low-temperature GaN buffer layer, an undoped high-temperature GaN buffer layer, a Si doped n type GaN layer, a luminous-layer multiple-quantum well, a low-temperature p type GaN layer, a p type AlGaN electron blocking layer, a high-temperature p type GaN layer and a p type GaN contact layer from bottom to top. The luminous-layer multiple-quantum well sequentially comprises a low-temperature shallow quantum well and a low-temperature multiple-quantum well luminous layer structure from bottom to top, wherein the low-temperature shallow quantum well is composed of three parts of shallow quantum wells. According to the method, a quantum-well-structure gallium nitride base material with high crystallization quality and high luminous efficiency can be effectively obtained, and a gallium nitride system LED with high luminescent intensity is obtained.

The present invention provides novel polypeptides comprising heat shock protein 20 (HSP20)-derived polypeptides to treat or inhibit smooth muscle vasospasm, as well to treat and inhibit smooth muscle cell proliferation and migration.

The invention discloses a portable rapid combined detection device of various tumor markers, including a sample suction head (1) and a detection tube (2) which is connected with the back end of the sample suction head (1). The front end of the sample suction head (1) is provided with a thin tube suction mouth (12) which is provided with a sample suction port (13) for sample suction; the front end of the suction mouth (12) can be sheathed with a rubber protecting cap (14); the inner cavity (17) of the sample suction head can be respectively filled with sample filter materials (3) and sample water absorbent materials (4) from front to back; the interior of the detection tube (2) is provided with a test paper fixed column (5); one to more test paper strips (6) used for the detection of tumor markers are fixedly arranged on the test paper fixed column (5), and the tail end of the detection tube is provided with a sealing cover (7) to seal the waste after the detection in the detection tube (2), so as to prevent a leakage. By a one-time sample suction and a detection with the same background, All the detection test paper strips (6) which are sealed and fixed in the device can carry out the parallel combined detection with various tumor markers at one time within a plurality of minutes by using the naked eye, so as to lead the detection of a plurality of indexes of tumor markers to become more simple, safe and rapid; furthermore, a cross interference can be avoided, and the waste after the detection is still sealed in the detection tube, which is more conductive to the environmentally protective treatment of the waste.

The invention relates to a horizontal seepage test unit. The horizontal seepage test unit comprises a water chamber, a seepage generating device and a support, wherein the seepage generating device is arranged above the support; the water chamber is arranged at one side of the seepage generating device and the support; the seepage generating device is of a box body structure; a connection hole is formed in one side, close to the seepage generating device, of the water chamber, a water chamber connection hole is formed in one end, close to the water chamber, of the seepage generating device, and the water chamber connection hole of the seepage generating device is connected and communicated with the connection hole of the water chamber; the seepage generating device is sequentially provided with a water storage room, a water insulation room, a soil heaping slot and a water collecting tank from the near to the distant according to the distance from the water chamber. The horizontal seepage test unit provided by the invention has the advantages that layered heaping condition of a rock-soil dielectric body in a natural world can be effectively simulated, horizontal osmotic coefficient of the rock-soil dielectric body can be accurately measured, and the horizontal seepage test unit can test horizontal seepage by adopting multiple methods.

The invention discloses a novel hair-imitating anti-freezing pipeline suitable for a low-temperature environment, and belongs to the field of pipeline equipment. The pipeline is characterized in thatmultiple heat release pores accommodating heat release balloons can be preset on the outer surface of the pipeline by imitating hairs on an animal body; meanwhile, a suspended cold contracting movingball is innovatively arranged, and the cold contracting moving ball actively moves under the action of magnetic attraction by means of the characteristic of contracting during cold; and water squeezedout during contraction is frozen along a double-state hair needle to form an ice needle, so that the heat release balloons are punctured to trigger an oxidation reaction to release a large amount ofheat. According to the pipeline, the released heat is used for heating and protecting the pipeline, so that the damage of external low temperature to the pipeline is prevented; after the temperature rises, the cold contracting moving ball can rise again to return to an original position and repeat the action so that the external temperature can be automatically sensed, and then the pipeline heating action can be triggered; and the pipeline is effectively subjected to heat preservation by imitating the animal hairs, so that the anti-freezing performance of the pipeline to the external low temperature is remarkably improved.

A location-based method of mobile device identity obfuscation is disclosed. User-defined geographic location profiles are created that permit replacement of a MAC address. The replacement MAC address is created manually, or automatically. The replacement MAC address is created as either a static address, a static random address, a randomly changing random address, a randomly changing address selected from a list of addresses, or an incrementally changing address. The MAC address may also be varied in accordance with a predetermined or random frequency schedule. Additionally, a method of gracefully handling a MAC address replacement is disclosed, whereby two MAC and IP addresses are simultaneously maintained long enough to allow open sockets to smoothly migrate to a new IP address associated with the replacement MAC address.

The invention relates to an implementation method of identity identification, cross-network communication and service transplantation as well as a network architecture for implementing information intercommunication. The implementation method of the identity identification comprises the following step that: an identity identification and position separation architecture network distributes a unique identity identification (AID) to each accessed terminal, wherein the AID remains unchanged all the time in the moving process of the terminal and includes first identification information, and the first identification information is used for the identity identification of the terminal during the intercommunication of the identity identification and position separation architecture network and the traditional communication network or used for identifying the traditional network terminal accessed to the identity identification and position separation architecture network. The invention provides the implementation method of the specific identity identification on the basis of the identity identification and position separation architecture of the network, specifies the treatment carried out when each network element is compatible with application services, meets the requirements for the quantity of coding spaces and also implements the interconnection and the intercommunication with the traditional IPV4 / V6 (Internet Protocol Version 4 / Version 6) network and the compatibility on an upper application program of the IPV4 / V6.

The invention discloses an electrolyte of a high-voltage fast-charging lithium ion battery and the lithium battery. The electrolyte comprises a non-aqueous organic solvent, an electrolyte salt and anadditive, and the mass percentages of the non-aqueous organic solvent, the electrolyte salt and the additive in the electrolyte are 65%-90%, 10%-20% and 0-15% respectively. The electrolyte can improvethe normal-temperature quick charge cycle performance, the high-temperature storage performance and the low-temperature discharge performance of the high-voltage battery at the same time. The lithiumion battery prepared by adopting the electrolyte has lower surface density, is beneficial to reducing the impedance of the lithium ion battery, is smoother in lithium ion migration, can effectively improve the rate charge-discharge performance, and obviously improves the low-temperature discharge performance at the same time; the electrolyte of the high-voltage fast-charging lithium ion battery has the relatively high charging cut-off voltage, the capacity of the lithium ion battery can be improved by about 15%, and energy density reduction caused by surface density reduction is made up; andcompared with a conventional battery, the lithium ion battery has wider tabs, so that the ohmic impedance of the lithium ion battery is effectively reduced to facilitate electron transmission.

The invention discloses a communication network early-warning analysis system based on big data analysis. Through adoption of SOAs, backbone transmission networks are divided into a network control and data collection layer, a platform layer and a management application layer; different levels of backbone transmission networks are managed comprehensively; through system interconnection between SOAs, information transverse sharing and application coordination of the different levels of backbone transmission networks are realized between the same levels and between upper and lower levels of a communication management system; through synthesis of the resume information, machine account information and service utilization information of the communication management system, according to level distribution of communication network resource occupation, the utilization condition of the resources is comprehensively analyzed from various aspects such as optical fiber resources, multiplexing section resources and channel resources; the resource utilization condition data of communication devices and communication optical fibers is stored in real time; through analysis of communication resource occupation of different levels, comprehensive analysis is carried out on existing massive history operation and maintenance data through utilization of a big data technology; and potential hidden dangers possibly existing in the communication network can be predicted in advance.

The invention discloses a virtual-real combined real-time laser radar data generation method and system and equipment. The method comprises the following steps: rendering a simulation scene based on a high-precision OSM semantic map and generating an SUMO road network consistent with a real scene; generating a complex traffic flow scene based on the SUMO road network; synchronizing the autonomous vehicle state information to the SUMO road network, and establishing a traffic flow test scene; acquiring surrounding scene point cloud and traffic flow vehicle information according to the autonomous vehicle positioning information, and generating virtual-real combined laser radar data in real time; real-time fusion of virtual traffic flow and laser radar data of a real road scene is realized, scene information in the laser radar data comes from a real large-scale point cloud map, and vehicle point cloud is generated by a three-dimensional model of a fairly real vehicle. The generated laser radar data is used as a sensing result for automatic driving vehicle testing, so that the testability of the scene is ensured, and the complex traffic flow testing scene can be provided.

The application provides a gateway adjustment method and device, which are applied to a server. The server comprises a plurality of network function virtualization (NFV) gateways; when the flow of a current NFV gateway exceeds a flow migration threshold, an NFV gateway is newly added in the server; and the flow of the current NFV gateway is migrated to a newly added NFV gateway. Dynamic adjustmentof the number of the NFV gateways in the server is realized, and smooth migration of flow is realized; in addition, through flow migration, the situation that when the flow is in the previous NFV gateway, because the flow on the NFV gateway is too much, messages cannot be processed in time, and consequently the messages are lost is avoided.

The present invention relates to compounds of formula (I), and pharmaceutically acceptable salts and tautomers thereof. Compounds of the present invention are inhibitors of histone deacetylase (HDAC) and are useful for treating cellular proliferative diseases, including cancer. They are also useful for treating neurodegenerative diseases, mental retardation, 10 schizophrenia, inflammatory diseases, restenosis, immune disorders, diabetes, cardiovascular disorders and asthma.

The invention discloses a method for improving QUIC protocol request scheduling efficiency. According to the method, a mapping method based on a connection ID and a consistent Hash ring is adopted torealize the dynamical selection of the connection IDs and efficient scheduling of QUIC protocol requests; virtual server nodes are mapped onto the consistent Hash ring, so that the effective control range of the servers is dynamically determined; the selection interval of the connection ID is dynamically determined based on a mapping relation between the effective control range and the connectionID; and the QUIC requests are mapped onto the ring, so that the requests are efficiently scheduled. With the method of the invention adopted, the problem of the failure of QUIC connection smooth migration in a cluster environment which is caused by a condition that a traditional software load balancing request scheduling method fails to adapt to the characteristics of the QUIC protocol requests can be solved, and negative impact on the performance and scalability of a server cluster can be avoided.