104results about How to "Show superiority" patented technology

The invention discloses a client distributed path computation method based on a software defined network architecture. The client distributed path computation method comprises the following steps: a user obtains network topology and linkcost information from a network controller through a northbound interface of a controller, calculates the path on the basis, determines route and flow distribution, and submits a route request to the controller; the network controller is responsible for updating the network topology and link state, and issuing a flow statement to data forwarding equipment according to the route selection of the user. Through the route calculation, the user participates in the network control to achieve the distributed optimization during the use process of network resources; meanwhile, the controller provides network topology information for the user, and can achieve the virtualization of the network resources and functions for the user and the optimal configuration and the integrated use of the network resources. Through the application of the method, the user can get great rights within a network safety range, the network transparency is improved, and an SDN frame serves for the user.

The invention provides sgRNA and a gene vector for inhibiting bladder cancer by targeting human lncRNA-UCA1 and an application of the sgRNA; specifically, sgRNA sequences of an lncRNA-UCA1 gene and a PD-1 gene suitable for CRISPR-Cas9 targeted splicing are designed; by transforming plasmids of specific splicing lncRNA-UCA1 gene and CRISPR-Cas9 nuclease gene into human bladder cancer cells, the expression of the lncRNA-UCA1 gene drops so as to inhibit the growth of tumor cells; and the plasmid, together with a human PD-1 gene targeted knockout vector, is transformed into a humanized mouse model of bladder cancer transplanted tumor, so as to obviously inhibit the growth of tumors. According to the invention, the vector is simple in preparing steps, the sgRNA is good in targeting property and the CRISPR-Cas9 is high in knockout efficiency.

The invention discloses a method for recognizing audio based on spectrogram significance test. The method is characterized by comprising the following steps: 1, acquiring spectrograms of different sound sources, and extracting characteristics to obtain a basic characteristics set; 2, obtaining a significance map by the GBVS algorithm, and extracting a main map by the main map separating method; 3, extracting a hierarchy correlation map; 4, acquiring a PCA characteristics map; 5, building GCNN sound source models of different sound sources; 6, recognizing the sound sources of which the spectrograms are to be tested according to the GCNN sound source models. With the adoption of the method, the characteristic information of unknown audio type under a complex environment can be effectively represented, and meanwhile, the audio can be quickly and automatically recognized.

The invention discloses an intelligent wheelchair control and route optimization method based a on visual evoked brain-computer interface. The method comprises the following steps: presenting a Newton's ring to a user who sits on a wheelchair as a motion stimulating unit; acquiring and processing electroencephalogram signals of the user; recognizing out a stimulating target which is currently gazed at by virtue of a computer; indicating out the target which is gazed at by virtue of a computer screen, and transmitting a target result, which is recognized out, to an intelligent wheelchair motorcontroller so as to control the motion of a motor, so that the wheelchair is advanced; when the wheelchair, which adopts a mode of firstly rotating in situ and advancing straightly, moves straightly or is free from continuous turning in a same direction, not adjusting the rotating angle of the wheelchair, when the wheelchair, which is controlled by a user, is subjected to a continuous turning operation in a same direction, pre-judging whether the wheelchair is further to be turned in a same direction by the user, and compensating the rotating angle of the wheelchair by virtue of a curve-fitting method and shortening an advancing distance. According to the method provided by the invention, the number of target stimulation is reduced, and an advancing process of the wheelchair in continuousturning in the same direction is optimized.

The invention relates to a coiling type one-step corrosion preventing and heat preserving operating line of a steel pipeline. The coiling type one-step corrosion preventing and heat preserving operating line of the steel pipeline comprises a pipe feeding platform, a conveyor, an intermediate frequency preheating system, an external impeller blasting machine, a dust removal system, an intermediate frequency heating system, an epoxy powder coating system, a water spraying cooling system, a steel pipe temperature conditioning device, a spraying foaming device, a copolymer tape coiling device and an PE belt coiling device; the conveyor forwards pushes the steel pipeline to be processed on the pipe feeding platform; the intermediate frequency preheating system is positioned between the conveyor and the external impeller blasting machine and used for heating and dehumidifying the steel pipeline to be processed. The processing technical devices in the operating line overcomes part of shortages in an one-step operating line of a foam jacket heat preserving pipe in the prior art as well as the shortage of two-step manufacturing of a corrosion preventing and heat preserving pipe in the prior art, and has the advantages of being wide in applicable scope, and high in efficiency.

The invention relates to a high-humidity smoke sampling sulfur dioxide separating device which furthest reduces the solution loss of sulfur dioxide during on-line monitoring or site detection of high-humidity smoke. Water is separated from smoke under the condition of heating, and the water and the smoke are reduced in temperature before entering a sensor part. The device can selectively perform primary water and smoke separation in a flue.

The invention relates to a straight-way solar energy heat exchange heat collector using solar energy as a heat source and belongs to the technical field of medium and high temperature solar energy utilization. The straight-way solar energy heat exchange heat collector comprises a straight-way transparent tube, a multi-curved face metal heat exchange tube, heat exchange tube end enclosures, a metal expansion joint, adsorbent storage rings, concave spacing sealing rings, metal snap rings, a working medium channel pipe, metal cover plates, sealing fixed plates, card type shield covers and vacuum connectors, wherein the two ends of the multi-curved face metal heat exchange tube are welded and fixed with the heat exchange tube end enclosures; the working medium channel pipe is connected with the heat exchange tube end enclosures; the multi-curved face metal heat exchange tube is provided with the metal expansion joint; the working medium channel pipe passes through the center of the metal cover plate to form an multi-curved face metal heat exchange tube component which is integrally sleeved in the straight-way transparent tube and the two ends of which are sequentially provided with the adsorbent storage rings, the concave spacing sealing rings and the metal snap rings; the sealing fixed plates seal and fix the metal snap rings and the metal cover plates; the two ends of the straight-way transparent tube are provided with the card type shield covers; and the vacuum connectors are fixed on the card type shield covers.

The invention discloses a dual-component in-situ injection type polyasparagine bionic tissue adhesive and a preparing method thereof. The tissue adhesive is composed of a first polyasparagine component solution and a second polyasparagine component solution with different reactive functional groups. A first component is polyasparagine with a vinyl functional group, a catechol functional group anda hydroxyl functional group, a second component is polyasparagine with a sulfydryl functional group, a catechol functional group and a hydroxyl functional group, a solvent of the first component is ahydrogen peroxide solution, and a solvent of the second component is a horse radish peroxidase solution. The catechol functional groups in the first component and the second component have the marinemussel imitation adhesion characteristic and can have noncovalent interaction with a tissue surface, the adhesive has tissue adhesiveness, and tissue repairing is realized. The tissue adhesive has excellent tissue adhesive strength and use convenience and has important significance in replacing surgical sutures and healing wounds.

The invention relates to a charging heat-accumulating device of a Stirling engine. The charging heat-accumulating device is used for supplying heat to the Stirling engine. The charging heat-accumulating device comprises a heat-accumulating cavity, wherein a heat-accumulating medium is arranged in the heat-accumulating cavity; an electric heating device is arranged in the heat-accumulating cavity; a heat-sink port which is communicated with a heat absorption end of the Stirling engine is formed on the heat-accumulating cavity; and a valve of which the aperture is adjustable is arranged at the heat-sink port. The charging heat-accumulating device of the Stirling engine has the advantages that the heat can be quickly re-supplied by the heat-accumulating medium and slowly released, and requirements on long-time stable operation of the Stirling engine under the condition that the heat is not re-supplied can be met, so the Stirling engine is applicable to various occasions, and particularly, the superiority of the device can be shown on mobile equipment.

The invention provides a method of treating strontium and cesium in radioactive wastewater by small-sized low-pressure reverse osmosis system. According to the system, a type 1812-50 domestic polyamide composite film is used to separate the strontium and cesium in the radioactive wastewater, under the operating pressure not larger than 1.0Mpa; 93.5-100.0% of strontium and 75.2-99.6% of cesium are retained in exudate, and system recovery rate reaches 36.4-38.6%. The method has the advantages that the strontium and cesium in the radioactive wastewater is effectively removed, the separating process is free of phase change, energy consumption is low, operations are performed at normal temperature and simple and the method has promising application prospect in the fields of emergency wastewater treatment, nuclide concentration and the like.

Crowd-sourced software development is a novel software development mode which utilizes developer resources around the world to complete complex development tasks based on a competition or cooperationmode. However, the current software development mode has the problems that information is overloaded, tasks are difficult to select and complex, and the quality is difficult to guarantee. In order toeffectively solve the problem, tasks suitable for being completed are recommended to a crowd-sourcing software developer on the basis of characteristics of the crowd-sourcing software developer, so that the software development efficiency and quality are improved. Developer characteristics are mainly measured from two aspects, namely dynamic preferences of developers and competitiveness of the developers. The method comprises the steps that firstly, a long-term and short-term memory neural network based on an attention mechanism is used for obtaining dynamic change preferences of developers and screening out first N tasks meeting the preferences of the developers; and then, for the competitiveness of the developer, the score of the developer on the to-be-recommended task is predicted by adopting an improved XGBoost model based on a differential evolution algorithm; finally the Top-K task is recommended to the developer according to the predicted score.

A process for treating the raw concentrated aqueous solution of sodium chloride by reverse osmosis method features that under the action of positive pressure, said aqueous solution flows through a reverse osmosis membrane for removing 80-95% of sodium sulfate, and the concentrated liquid is denitrified by cold or hot method for separating sodium sulfate, so effectively increasing the content of sodium chloride.

The invention discloses a Chinese medicinal soft capsule for treating gastral cavity pain and a preparation method thereof. The soft capsule is prepared from 75 to 95 weight percent of litsea lancilimba, 5 to 25 weight percent of blumea camphor and appropriate amount of auxiliary materials. The Chinese medicinal soft capsule has the effects of promoting qi circulation and relieving pain, and is mainly used for treating symptoms such as gastral cavity pain, acid regurgitation during belching, tumescence, stethalgia, chest distress, short breath, palpitation and the like which are caused by qi stagnancy and blood stasis. The original stomach analgesic capsules are changed into the soft capsule preparations; and the Chinese medicinal soft capsule has improved stability and curative effect, accurate contents of the medicaments, beautiful appearance, high purity, little administration dosage, high bioavailability, stable quality, good curative effect and good safety.

The present invention provides a large steel structure lifting method and a large steel structure lifting apparatus, wherein the lower end of the lifting arm in the used lifting apparatus is hinged on a platform, the upper end is hinged on end of a cable wind rope, the other end of the cable wind rope is hinged on the platform, the platform is provided with a winch, a pulley device on the upper end of the lifting rope lifting arm hangs down on the other side of the lifting arm, the outer side angle is larger than the inner side angle, the cable wind rope installation angle is larger than the inner side angle, and when the lifting height of an object exceeds the platform, the cable wind rope is artificially pulled so as to place the object on the platform. The present invention further provides the lifting apparatus used in the lifting method. According to the lifting method and the lifting apparatus of the present invention, the reasonable force rod member, ie., lifting arm is used, and the special lifting method is used, such that the lifting inlet-outlet position adjusting can be achieved when the special rotation and stretching deice is not installed.

An automatic fishing equipment able to automatically life up hook is composed of supporting frame, trigger consisting of weight supporter and fishing string supporter, weight unit, weight string and fishing string.

A technology for making the artistic iron-frame furniture with a ceramic plate includes such steps as providing a pottery plate, painting on its surface by using color enamels as pigments, calcining at 1200 deg. C in kiln, manually trimming, sticking it on a foam polystyrene plate, and sticking it on the iron frame of furniture.