374 results about "Recovery performance" patented technology

The invention discloses a method and a device for encoding and decoding a video. The method comprises the following steps: executing a selection of an intra frame predictive mode according to available adjacent blocks, writing in the available marks of each adjacent block in a code stream when the selected intra frame encoding mode is a limited DC predictive mode; thus, determining that the limited DC predictive mode is adopted for encoding by a current block at an decoding end, and then analyzing the available marks for indicating whether adjacent blocks are available, and determining available adjacent blocks according to the available marks of the adjacent blocks so as to perform decoding operation according to available adjacent blocks based on the DC predictive mode. The embodiment of the invention can set availability of left adjacent blocks and upper adjacent blocks of the DC mode when the intra frame encoding mode is the DC predictive mode, thereby ensuring the error recovery performance to improve the performance of encoding and decoding in a video communication system.

Described herein are methods for optimizing petroleum reservoir analysis and sampling using a real-time component wherein heterogeneities in fluid properties exist. The methods can help predict the recovery performance of oil such as, for example, heavy oil, which can be adversely impacted by fluid property gradients present in the reservoir.

The invention provides a method and apparatus for video encoding and decoding. At the coding end, selection of intra-frame prediction mode of the current coding block can be performed in accordance with adjacent blocks, and encoding operation of the current encoding block can be performed by selection of the intra-frame selection mode, wherein, when the limited DC prediction mode is selected as the intra-frame prediction mode, if the current encoding block is in the same macroblock with each adjacent encoding block, the adjacent blocks are available, otherwise, all the adjacent blocks are unavailable; or, if at least one of the encoded adjacent blocks is the intra-frame prediction block, all the adjacent blocks are unavailable; or, all the adjacent blocks are unavailable. Upon parsing andobtaining the intra-frame prediction mode adopted by the current decoding block at the decoding end, decoding operation can be performed according to the intra-frame prediction mode adopted by the current decoding block which is obtained by parsing. By adopting a limited DC prediction mode, the embodiment of the invention is not only capable of ensuring error recovery performance, but also capableof enhancing encoding efficiency of the intra-frame updating macroblock, as well as improving performance of encoding and decoding.

Methods for optimizing petroleum reservoir analysis and sampling using a real-time component wherein heterogeneities in fluid properties exist. The methods help predict the recovery performance of oil such as, for example, heavy oil, which can be adversely impacted by fluid property gradients present in the reservoir. Additionally, the methods help optimize sampling schedules of the reservoir, which can reduce overall expense and increase sampling efficiency. The methods involve the use of analytical techniques for accurately predicting one or more fluid properties that are not in equilibrium in the reservoir. By evaluating the composition of downhole fluid samples taken from the reservoir using sensitive analytical techniques, an accurate base model of the fluid property of interest can be produced. With the base model in hand, real-time data can be obtained and compared to the base model in order to further define the fluid property of interest in the reservoir.

The invention relates to a wool knitted fabric shape-remembering finishing agent. The finishing agent comprises a waterborne polyurethane composition and a crosslinking agent, wherein the content of the waterborne polyurethane composition in the finishing agent is 2-8%, and the content of the crosslinking agent is 1.5-3% of the content of the waterborne polyurethane composition. The effectiveness of the crosslinking agent lies in that the crosslinking reaction temperature of polyurethane is reduced to 90-110 DEG C. The invention also provides a preparation method and application of the wool knitted fabric shape-remembering finishing agent. The wool knitted fabric treated with the provided shape-remembering finishing agent can be washed by a machine and dried by stoving, is easy to maintain, can remember the original shape of the fabric, can reduce the conditions of folding and distorting and has favorable anti-pilling performance, length-deformed recovery performance, fold recovery performance and better hand feel.

The invention relates to a low-cost high-performance rare-earth-based AB5-type hydrogen storage alloy and a preparation method thereof. The alloy has a general formula: Ml(Ni(1-x-y-w)CoxMnyAlzMw)mMgn, wherein x, y, z, w, m and n present a mol ratio; x is larger than zero and smaller than or equal to 0.1; y is larger than zero and smaller than or equal to 0.2; z is larger than zero and smaller than or equal to 0.2; w is larger than or equal to zero and smaller than or equal to 0.06; m is larger than or equal to 4.8 and smaller than or equal to 5.5; n is larger than zero and smaller than or equal to 0.1; the Ml comprises La and at least one element selected from Ce, Pr, Nd, Sm, Gd, Dy, Y, Ca, Ti and Zr; the content of the La in the Ml is 40-80 percent by weight; accordingly, the content of the La in the alloy is 10-26 percent by weight; and the M comprises at least one element of Cu, Fe, Si, Ge, Sn, Cr, Zn, B, V, W, Mo Ta and Nb. The alloy has high content, long service life, low Co content, low cost and good recovery performance.

The invention provides a method and a device for data recovery and a cluster storage system and relates to the technical field of storage. The method includes: step 1, inquiring reverse mapping table of a fault storage device on storage nodes and acquiring file information stored in the fault storage device when the fault storage device exists in the cluster storage system, step 2, inquiring a metadata virtual volume which treats the storage nodes on which the fault storage device are as main nodes and acquiring a piece of data which is not stored in the fault storage device in the file and step 3, recovering a piece of data which is stored in the fault storage device by the file according to the acquired piece of data. The method, the device and the system of the embodiment of the invention have the advantages that a block-level data recovery and data migration by maintaining the fine granularity are achieved, a load balance is controlled effectively, the quantity of data scanning is reduced greatly and the recovery performance is high.

The invention discloses a frequency stabilization control method for an alternating-current/direct-current series-parallel system, which comprises the steps of designing an under-frequency load shedding optimization model considering emergency power generation control and high-voltage direct current power support, providing an objective function giving consideration to the frequency recovery performance and the load shedding amount, selecting the action frequency of an under-frequency load shedding program and the load shedding amount of each turn as control variables, carrying out optimization on a scheme by using a cloud adaptive particle swarm algorithm containing a dimension mutation operator, and realizing intelligent control for the frequency of the alternating-current/direct-current series-parallel system. The control method disclosed by the invention solves a problem of coordination and optimization between the system instability possibly caused by frequency oscillation after the alternating-current/direct-current series-parallel system breaks down and the economy of system frequency recovery; an under-frequency load shedding scheme is optimized, an optimal setting scheme is searched intelligently, the frequency recovery performance is considered, the load shedding amount is minimized, and the transient-state performance and the steady-state performance of the alternating-current/direct-current series-parallel system are improved.

The invention relates to a frictional material, in particular to a novel brake pad material of truck. The invention provides a novel brake pad material of a truck, wherein the novel brake pad material is used in a dry one-step hot press molding process applied to a nanocopper modified phenolic resin agglutination technology and a parent material modifying and adjusting technology. The raw material mixing ratio of the novel brake pad material is as below: 15%-20% of binder, 30%-50% of framework material, 10%-15% of friction enhancing agent, 5%-10% of anti-friction agent and 20%-30% of filling material. The binder is nanocopper modified phenolic resin, the framework material is mineral fibre and the like, the friction enhancing agent is great-hardness chromium ore power, and the like, the anti-friction agent is low-hardness graphite, and the like, the filling material is BaSO4, coarse whiting, and the like. The novel brake pad material has the advantage that a brake lining has a stable friction factor, stable recovery performance, good heat resistance, no crack performance, low speed sensitivity, good wearability and no braking noise.

The invention relates to a method, a device and a system for data transmission based on forward error correction (FEC). The method mainly comprises the following steps: after acquiring original data to be sent, generating corresponding data verifying information according to a predeterminated strategy on the basis of the original data to be sent and a known intercalation mark; selecting to send the data verifying information and the original data to be sent according to the predeterminated strategy; correspondingly, acquiring the original data (the original data are possibly incomplete due tothe data loss in the process of transmission) and the data verifying information from a received data packet by a receiving end; and recovering the acquired complete original data sent by a sending end according to the data verifying information and the known intercalation mark. In the embodiment of the invention, because a mode of adding the data information amount which generates the data verifying information in the sending end is adopted and the added data information is known by the sending end and the receiving end, the corresponding error recovery performance in the receiving end can be greatly improved, and the erasure capability of the FEC technology can be effectively improved further.

A timing recovery for recovering a symbol clock using received data is provided. The timing recovery estimates a timing offset in such a way that dispersion constants of received symbols are minimized. Since the dispersion constants do not totally depend on a specific portion of a received signal spectrum, deterioration of the timing recovery performance by fading of a specific frequency component can be prevented. Particularly, the timing offset can be stably captured in a frequency selective fading channel such as a multi-path channel.

The invention discloses a collaborative type log system facing to a distribution-type file system, and belongs to a distribution type file system. According to the collaborative type log system facing to the distribution-type file system, the problem that the system recovery operation can not be carried out caused by that a log record is lost due to equipment faults can be solved, and the write performance and the recovery performance of the distribution-type file system are improved. The collaborative type log system facing to the distribution-type file system comprises a log request module, a distribution module, N transmission modules, N consistency guaranteeing modules, N record adding modules, N record recovery modules and N restoring modules, wherein the log request module and the distribution module are operated on a metadata management node or a data storage node; and the transmission module, the consistency guaranteeing module, the record adding module, the record recovery module and the restoring module are all operated on each data storage node. According to the collaborative type log system facing to the distribution-type file system, which is disclosed by the invention, on the premise that the log reliability is guaranteed and the normal log action is performed, the write performance and the recovery performance of the distribution-type file system are improved by the characteristics that the network transmission efficiency in the distribution file system is higher than the low-speed transmission efficiency of storage equipment.

The invention discloses a face image recovery method and device based on a cyclic neural network, and the method comprises the steps: obtaining a low-resolution image, carrying out the pedestrian facedetection of the low-resolution image, and obtaining a to-be-restored face image; inputting the to-be-restored face image into a pre-built and trained neural network model, and extracting a feature map of the to-be-restored face image according to a preset pixel size; carrying out the nonlinear mapping of the extracted feature map, and obtaining an optimized feature map; carrying out the high-dimension reconstruction of the to-be-restored face image according to the optimized feature map, and outputting a corresponding high-resolution face image. According to the invention, the bidirectionalcyclic neural network technology and the generative adversarial network technology are combined for constructing and training a neural network model with the optimal recovery performance, so the method can achieve the effective recovery of a high-resolution face image from the low-resolution face image.

The invention discloses a method for improving an erasure code based storage cluster recovery performance. The method comprises that a reconfiguration control node sends reconfiguration read requests to reconfiguration source nodes and sends reconfiguration write requests to reconfiguration destination nodes simultaneously, all reconfiguration source nodes implement reconfiguration read optimization according to reconfiguration read requests, all reconfiguration destination nodes implement reconfiguration write optimization according to reconfiguration write requests simultaneously, all reconfiguration source nodes read data participating in reconfiguration of this time from a disc respectively and divide the data into a plurality of data blocks respectively, all reconfiguration source nodes transmit the plurality of data blocks to corresponding reconfiguration destination nodes simultaneously through networks respectively, all reconfiguration destination nodes adopt a reconfiguration algorithm to reconfigure received data blocks coming from all reconfiguration source nodes respectively, and all reconfiguration destination nodes return data blocks obtained through reconfiguration to a client side respectively. By the aid of the method, the problem of transmission of a large amount of additional data caused by existing centralized decoding methods can be solved.

The invention discloses a method for evaluating membrane bioreactor (MBR) membrane chemical cleaning recovery performance, which comprises the steps of arranging a stirring type ultrafiltering cup on a magnetic stirrer, connecting the stirring type ultrafiltering cup with a sealed container, connecting the sealed container with a pressure reduction regulation valve, connecting the pressure reduction regulation valve with a nitrogen steel bottle, installing a pressure meter on an air outlet of the pressure reduction regulation valve, connecting a water outlet of the stirring type ultrafiltering cup with a balance, and connecting the balance with a computer. A small evaluation device is used for evaluating initial membrane resistance R1 of a membrane, membrane resistance R2 after the membrane is polluted and membrane resistance R3 after the membrane is chemically cleaned, and then the chemical cleaning recovery performance of the membrane which is cleaned on chemical conditions is judged after slurry is filtered. The method is simple in operation, low in cost and capable of quickly judging membrane chemical cleaning recovery performance, choosing appropriate chemical cleaning chemicals and confirming optimized cleaning schemes.

The invention discloses a cotton fiber and viscose blended yarn and a spinning technology thereof. The blended yarn comprises cotton fiber and viscose, and the fiber blending ratio of the cotton fiber to the viscose is 1:1; and the fibers are spun into yarns through a blending process. Card slivers formed by the processes such as blowing and carding and cotton fiber combed silvers are subjected to silver blending to form yarns, and a compact Silo spinning technology and the reasonable matching of raw materials are adopted, so that the problems such as the viscose can be deformed easily, has low elastic recovery performance and relatively low wear resistance, and is not acidproof are solved, and the advantages of the viscose and the cotton fiber are exerted. A pre-doubling and mixed doubling mixing mode is adopted, so that the accuracy of the blending ratio and the uniformity of ingredients are facilitated, produced single yarns have uniform yarn levelness and high strength, and few neps and yarn faults are produced.

The invention relates to a soft plastic and hard sheet integrated injection-molded keyboard, a keycap assembly and a production method. The keyboard is composed of an integrated keycap assembly formed by soft plastic and hard sheets, a key grid support, a printed circuit film under the integrated keycap assembly, and a keyboard bottom plate which supports the printed circuit film from below; the integrated keycap assembly formed by soft plastic and hard sheets are composed of a plurality of adjacent soft plastic key surfaces, hard sheets bonded to the soft plastic key surfaces, a soft plastic base, soft plastic supporting bodies which are connected between the soft plastic base and the soft plastic key surfaces, and soft plastic protruding elastic switching bodies which extend downwards from the soft plastic key surfaces to passes through via holes of the hard sheets and are integrally connected with the bottom surfaces of the soft plastic key surfaces. According to the production method, the production equipment includes an injection machine, a male mold and a female mold; the keycap assembly is obtained by performing integrated injection molding on soft plastic and hard plastic sheets. The keyboard and the keycap assembly of the invention have the advantages of low cost, simple assembling, waterproof and dustproof performance and excellent press deformation recovery performance.

The invention discloses a high intensity asphalt modifier for cast asphalt concrete and a preparation method thereof. The asphalt modifier comprises the following components by weight percent: 20-50% of modifier, 5-20% of reinforcing agent and 30-60% of viscosity breaker. The product of the invention is used as the modifier to prepare high intensity modified asphalt, and the obtained asphalt has higher softening point and hardness (lower penetration degree) and excellent elastic recovery performance and thermal aging property.

The invention relates to a stiffening agent and resin finishing liquid used for crease finishing of jean clothes. The stiffening agent used for crease finishing of the jean clothes comprises the following components, by weight percentage or weight, 60-67% of polyvinyl alcohol emulsion, 33-40% of polyurethane emulsion, and a buffer system of which the weight is 0.006 time of the total weight of the polyvinyl alcohol emulsion and the polyurethane emulsion. The resin finishing liquid used for crease finishing of the jean clothes comprises the following component, by weight percentage or weight, 3-6% of the stiffening agent, 6-18% of crease pressing resin, catalysts with use amount being 1/5-1/4 of the crease pressing resin, and the balance water. By the adoption of the stiffening agent and resin finishing liquid used for crease finishing of the jean clothes, the elastic recovery performance and crease resistant performance of jeans can be improved; the stereoscopic impression of cat whiskers and three-dimensional cat whiskers of creases is achieved, and durability is also achieved; the color retaining performance and dry and wet friction fastness are improved, a soft feeling is achieved, the cost performance is high, and the requirement for fashionable elements of the jean clothes is met.

The invention provides a liquid crystal panel. The liquid crystal panel comprises an array substrate, a color film substrate, a liquid crystal layer and a sealant box, wherein the color film substrate is arranged opposite to the array substrate; the liquid crystal layer is clamped between the array substrate and the color film substrate; the sealant box is arranged around the liquid crystal layer; a supporting object is arranged in the liquid crystal layer of the liquid crystal panel, is supported between the array substrate and the color film substrate and comprises a first supporting layer and a second supporting layer; the second supporting layer is connected with the first supporting layer; the first supporting layer is made of a thermal deformation material; the second supporting layer is made of a soft material with elastic recovery performance. The invention provides a liquid crystal display device.

The invention discloses asbestos-metal-free composite lubricated drum brake sheet and a preparation method thereof. The method comprises the following steps: firstly, weighing 12-20% of a binder, 15-30% of reinforcing fiber, 3-16% of a friction reinforcing agent, 16-30% of a composite lubricant and 20-30% of a packing according to given proportions, mixing the materials, putting the mixture in a high-speed blender for even mixing, pressurizing, heating and shaping the mixture in a specified die; heating the shaped brake sheet at the temperature of 160 DEG C for 8h; machining the heated brake sheet on an outer arc, an inner arc, an end surface and a bore hole; and finally inspecting and packaging the machined brake sheet. The asbestos-metal-free composite lubricated drum brake sheet obtained through the method has stable friction property and stable restorability, simple production process and convenient operation.

The invention discloses a magnetic carboxylation hollow microsphere soil restoration agent and a preparation method thereof. The method comprises the following steps of using improved Stober method for preparing single dispersion SiO2 microspheres; using a hydrothermal method for synthesizing Fe3O4@C hollow microspheres; using a dialysis method for synthesizing Fe3O4@C-COOH hollow microspheres. The invention also provides application of the magnetic carboxylation hollow microsphere soil restoration agent to lead pollution soil restoration. The improved Stober method, the hydrothermal method and the dialysis method are integrated; the synthesized carboxylation hollow microspheres have the unique core-sell structures; a great number of -COOH and -OH groups are coated on the surface; the advantages of great adsorption volume, high specificity and the like are realized; the adsorption volume on heavy metal lead in the soil is much higher than the adsorption volume of synthesis materials prepared a coprecipitation method, a micro emulsion method and a thermolysis method. The carboxylation hollow microsphere soil restoration agent prepared by the method also has a certain recovery performance and can be reused.