1717results about How to "Promote expansion" patented technology

The system includes a switching device, a public phone server, a accounting center, public phone operation and telephone terminal. Under data control of the public phone operation center, telephone terminals connected to switching device are communicated to the public phone server. The method authenticates call initiated by user and settles accounts of user. The wideband public phone system provides features of opening, expandability, intelligent, easy of maintenance, good ratio between cost and performances, reliability and security etc.

Apparatus is provided for use with a native valve of a heart of a subject. The apparatus includes: (1) an annular upstream support portion, comprising an expandable first frame, the upstream support portion configured to be placed against an upstream surface of the native valve; (2) a flexible polyester connector; and (3) an anchoring element, flexibly coupled to the upstream support portion by the connector, and configured to anchor the upstream support portion to the native valve by engaging tissue of the native valve.

The invention discloses a profile control oil-displacement agent for a core-shell type inorganic/organic polymer composite microballoon. A preparation method of the core-shell type inorganic/organic polymer composite microballoon comprises the following steps of carrying out surface modification of inorganic cores of inorganic nano-particles such as silica particles and magnetic particles, and carrying out graft polymerisation by a dispersion polymerization method or an inverse emulsion polymerization method to form polymer shells (such as polyacrylamide cross-linked copolymers) on the surfaces of the inorganic cores. The inorganic components and the organic components bind by chemical bonds so that the core-shell type inorganic/organic polymer composite microballoon has very stale structure. The core-shell type inorganic/organic polymer composite microballoon retains the advantages of polymer microballoons and inorganic particles, and has strong heat-resistant and mineralization-resistant capabilities, high plugging strength and good dilatancy. The core-shell type inorganic/organic polymer composite microballoon can move in rock pores and can plug the rock pores. When a plugging pressure difference is improved to a certain degree, elastic deformation of the core-shell type inorganic/organic polymer composite microballoon can be produced and the deformed core-shell type inorganic/organic polymer composite microballoon sequentially moves to a deep rock stratum part so that a liquid flow direction is changed gradually and a crude oil yield is improved. The profile control oil-displacement agent provided by the invention has a large potential.

The invention discloses a method for splitting a news video program and a method and a system for cataloging news videos. The method for splitting the news video program comprises the following steps of: sequencing detection results according to a time sequence to obtain an event sequence by detecting characteristic information of titles of the news video, a headline, characteristic information of comperes, lens transformation, a mute point of an audio, a switching point, a keynote period sudden change point and the like; briefing the event sequence by adopting a preset symbol set and a production rule, and judging rough positions of start points and end points of news sections in the event sequence; calculating a union posterior probability of a start position of each news section near the rough start position according to the event sequence, selecting the moment with the maximum posterior probability as the accurate start position of each news section, splitting the news video, and thus obtaining the news video sections. According to the method, the adopted algorithm is stable and effective; the structural information in the news video can be summarized effectively; the accurate positions of splitting points of the news sections can be determined; and the news video can be split stably and accurately.

An automated seed sampler includes a sampling station; a sampler for removing material from a seed in the sampling station; a seed conveyer for conveying the seed from the sampling station to a compartment in a seed tray; and a conveyor for conveying the material removed from the seed to a corresponding compartment in a sample tray. The method of the present invention comprises feeding seeds individually to a sampling station, removing a sample from the seed in the sampling station; conveying the sample to a compartment in a sample tray, and conveying the seed to a corresponding compartment in a seed tray. The samples can be tested, and the seeds can be sorted according to the results of the testing of their corresponding samples.

The invention discloses a preparation method of a water-expandable single-component polyurethane sealant, which comprises the following steps: mixing and dispersing water-expandable polyurethane prepolymer, vacuum-dried plasticizer, filler, thixotropic agent and water-absorbing resin according to the formula amount at 30-50 DEG C under the vacuum degree of not less than 0.092 MPa in a double planetary mixer or tri-roller grinder for 1-4.5 hours; in high-purity nitrogen atmosphere under atmospheric pressure, adding catalyst B, bonding accelerator and moisture remover, uniformly mixing and dispersing; removing micromolecules under the vacuum degree of not less than 0.092 MPa; and mixing for 0.3-1 hour to obtain the water-expandable single-component polyurethane sealant. Compared with the prior art, the water-expandable single-component polyurethane sealant is easy for construction, and has the characteristics of favorable bonding performance for seal interface, high water-expansion speed after moisture curing, adjustable expansion rate and the like.

The invention relates to a double-output double-buck half-bridge inverter, composed of two parallel input sides and parallel or series output sides. For eliminating the loss caused by loop current energy, it works in a semicycle operating mode, and adopts a synchronous switching semicycle SPWM method, an alternative switching semicycle SPWM method or hysteresis current source type modulation method. By selecting a different frequency voltage reference, it can realize a different frequency double-output double-buck half-bridge inverter. For the power grade, it can compose a multi-parallel double-series double-output double-buck half-bridge inverter. It has no short-circuit problem of bridge leg of a half-bridge or full-bridge double-output inverter, but has high reliability; it sustains the current by power diodes in series on the same bridge leg, beneficial to increasing switching frequency; and because of working in a semicycle operating mode, there is no loop current energy in the circuit, beneficial to increasing efficiency.

The invention discloses a method for electrochemically preparing graphene. The method comprises the following steps: 1, intercalating and expanding graphite paper by adopting graphite paper as a positive electrode and an aqueous intercalator solution as an electrolyte to obtain expanded graphite; 2, filtering and washing the expanded graphite, and carrying out ultrasonic peeling treatment on the expanded graphite to obtain a flocculent graphene slurry; and 3, filtering the graphene slurry, and drying the graphene slurry through adopting a microwave vacuum drier to obtain fluffy graphene powder. The electrochemical method solves the problem of use of heavy metal-containing reagents, strong acids, strong oxidants and expensive organic liquids in the graphene preparation process in the prior art, and has the advantages of simple preparation technology, low energy consumption and low cost.

The system includes a main node, several branch nodes and network connecting the main node with the said branch nodes. The main node is a center for controlling synchronization operation. The main server includes a main data server, a main FTP server and an application program server. A synchronization control module in the application program server is utilized to control data transmission between main FTP server and branch FTP server in branch node, as well as to update file digest information of database server in main node. Branch node in the system includes at least one branch database server and a branch FTP server. Running synchronization program in application program server at main server makes file synchronization operation separate from branch node so as to expand branch node easily.

The invention provides a multi-Agent-based distributive deduction simulation system and a multi-Agent-based distributive deduction simulation method. The multi-Agent-based distributive deduction simulation system comprises a data communication link, a deduction configuration and statistic analysis computer, an environment information management computer, an environment master control system computer and a distributive deduction Agent computer. The multi-Agent-based distributive deduction simulation system can realize independent perception of battleground environment and independent decision and behavior output, can select different deductive Agent models, and becomes an expansible and universal combat simulation system only by modularly changing corresponding combat weapon bank or loading the brand-new equipment information in a fixed format to the combat weapon bank for some new combat weapons or equipment so as to test the performance of the various new combat weapons.

The invention relates to a long-chain triazine macromolecular flame retardant with a bicyclic phosphate structure and a preparation method thereof. The structure of the flame retardant is shown the specification, and the flame retardant is prepared by carrying out condensation polymerization on cyanuric chloride, 1-O-4-hydroxymethyl-2,6,7-trioxa-1-phosphabicyclo[2,2,2] octane (PEPA) and diamine, binary alcohol/phenol or binary thiol/thiophenol with a structural general formula of ZH-R-ZH in the presence of an acid-binding agent. The preparation method provided by the invention has the advantages that raw materials are readily available and the process is simple. The obtained intumescent flame retardant has the advantages of good thermal stability, high char yield at high temperature and significant expansion properties and can be used in the flame retardant modification of the materials singly or together with other materials; and the carbon source, acid source and foam source components of the flame retardant are in the same macromolecule, thus effectively solving the problems that the components of the flame retardant system are not uniformly distributed in the materials, overcoming the problems of volatilization, migration, exudation and the like of inorganic flame retardants and low-molecular-weight organic flame retardant systems and simultaneously alleviating the defects that the mechanical behavior of the materials deteriorates because of the addition of the flame retardant.

The invention discloses a three-dimensional game animation system which comprises an upper layer function module called by a program developer, an upper layer editing module called by an art developer, a bottom layer management module and a bottom layer function module, wherein the bottom layer management module and the bottom layer function module are called by a bottom layer program developer for development and maintenance. The modules are connected through standard interfaces and game animation can be conveniently manufactured simply by understanding calling rules of the interfaces of the modules. Due to the fact that the system comprises the upper layer function module, the upper layer editing module, the bottom layer management module and the bottom layer function module, functions are complete, the standard interfaces are adopted, the modules are independent of one another, the standard interfaces are used for connection, and developers can manufacture the game animation conveniently only through understanding the calling rules of the interfaces of the modules without understanding detail development modes of the animation system. Thus, the three-dimensional game animation system is easy to use and expand.

This invention relates to a fixed connecting engine driving control system composed of two engines. Each engine has the same controlling system composed of central control unit, driving control unit, logic control unit, display unit, operation safety monitoring unit and electrical braking logic unit. It is characterized by the following: each engine control system adopts local network bus to make the data communication between module plates in each unit.

The invention relates to a gesture household appliance controller, a control system and a control method. The gesture household appliance controller comprises an image acquisition module, an image identification module, a household appliance control module and a wireless sensing module, wherein the image acquisition module is used for acquiring an image of a gesture of control personnel; the image identification module is used for identifying the image and reading information of the gesture of the control personnel; the household appliance control module is used for generating a household appliance control command according to the information of the gesture of the control personnel; and the wireless sensing module is used for sending the household appliance control command to a corresponding household appliance. According to the gesture household appliance controller disclosed by the invention, the gesture is adopted to operate the household appliance controller; the user experience is improved; the gesture household appliance controller can be supported on handheld mobile equipment; the coordinated and uniform control of the household appliances can be implemented by additionally adding one set of household control software and wireless sensing module; the additional hardware cost is not required; and the gesture household appliance controller is convenient to expand more household appliances in the future.

The invention provides an abnormal behavior early warning method and system for hovering event space-time big data analysis. The method comprises the steps: according to the hovering behavior alarm information sent from intelligent monitoring cameras deployed by a monitoring point, establishing an alarm big data event base so as to carry out correlation analysis of the real time and historical big data for the alarm events for a single point and the space-time big data correlation analysis among the alarm events for a plurality of monitoring points and to deeply excavate the risk grade of the robbery criminal behavior concealed in the alarm events. For conveniently identify whether different times of hovering footprinting behaviors are made by the same people or the same group of people, the invention specifically provides a hovering pedestrian re-inspection algorithm. On the premise of not adding extra hardware cost for the monitoring system, the abnormal behavior early warning method and system for hovering event space-time big data analysis overcome the defect that single time of alarm information of the single intelligent camera is not enough to be the early warning basis, thus effectively improving the efficiency of the intelligent monitoring system.

The embodiment of the invention discloses a method for realizing document sharing in audio and video meetings, which comprises that the information which is transmitted by a document sharing sponsor is received in the audio and video meetings, the information requests to create a document sharing data meeting; a data meeting is built by the sponsor which is added to the data meeting; the SDP information distributed to an interception port of the data meeting is carried to the response information which is transmitted to the sponsor, so that the sponsor uploads the data document conveniently according to the SDP information of the interception port. The invention also discloses a device and a system for realizing document sharing in audio and video meetings. When the audio and video meeting is held, the device and the system can share the date document to other members in the meeting simultaneously, and has less alternations to the system and has low realizing cost.

The invention relates to low-moisture low-variable serial saturation tower thermal CO transformation technology, which comprises the following steps: after processing gas-liquid separation, heat exchange and detoxification to crude gas, feeding the crude gas into a pre-transformation furnace to process initial transformation reaction; controlling the mol ratio of crude gas water/dry gas which enters the pre-transformation furnace within 0.19-0.23, and controlling the temperature thereof within 200-220 degrees centigrade; feeding pre-transformed mixing gas from a crude pre-heater into a saturation tower and contact with technical circular water of a hot water tower reversely so as to transmit heat and quality; increasing humidity and temperature of the pre-transformed mixing gas, feeding into the pre-transformed mixing gas into an isothermal transformation furnace so as to process depth transformation; exchanging gas and heat of the isothermal exchange gas of the isothermal transformation furnace so as to feed into the hot water tower to transmit the heat and quality; and recycling low-order heat energy. Compared with the prior art, the isothermal transformation furnace substitutes at least two grades of heat isolating transformation furnaces; the number of transformation furnaces is reduced; equipment investment and catalyst cost are saved; in addition, a transformation procedure is short, resistance is small, energy consumption is low and operation is stable.

The invention relates to a preparation method of a graphene/silicon dioxide/rubber composite material, and belongs to the field of nanometer composite materials. A graphene and silicon dioxide composite filler is provided, and the problems of difficulty in dispersing and easiness in agglomeration of graphene and silicon dioxide are solved. The method mainly comprises the following steps of in the process of mixing graphene and silicon dioxide, building a silicon dioxide aerogel, and uniformly dispersing the graphene sheet layers into the silicon dioxide aerogel; finally, compounding the composite particles and the rubber, so as to obtain the novel graphene/silicon dioxide/rubber composite material. The comprehensive property of the graphene/silicon dioxide/rubber composite material is better than the property of the composite material with graphene and silicon dioxide respectively doped into the rubber.

The present invention discloses a special high strength grouting material for connecting a reinforcement sleeve. The special high strength grouting material for connecting the reinforcement sleeve comprises grouting material powder and water, wherein the grouting material powder is prepared from the following raw materials in percentage by weight: 45% to 50% of cement, 0.1% to 0.3% of a water reducing agent, 0.06% to 0.1% of a defoamer, 1% to 3% of a water retention tackifier, 0.025% to 0.05% of a composite retarder, 1% to 2% of a composite expansion agent; and and the balance of quartz sand, totalling 100, wherein the mass ratio of the grouting material powder to the water is 1 to (0.23-0.28). The special high strength grouting material for the connecting reinforcement sleeve provided by the present invention has the characteristics of high strength, high adhesion and slight expansion with no shrinkage; the high strength grouting material can be poured into the reinforcement sleeve to enable fixed connection formed between reinforcements and between the reinforcements and the sleeve, and has excellent durability.

The invention relates to a method for preparing a high purity rare earth metal and its apparatus, which is characterized in that a lithium thermal reduction-vacuum distillation combined technology is used for preparing the high purity rare earth metal. The method comprises the following steps: taking rare earth chloride as a raw material and lithium metal as a reducing agent, placing in a reaction container, in a reaction system, carrying out a liquid-liquid displacement reaction of lithium metal and rare earth chloride under the inert gas protection (the pressure is 0.1-0.5 MPa) and the temperature of 850-1100 DEG C, then vacuum-pumping the reaction system to 10<-1>-10<-3> Pa, wherein the temperature is controlled at 900-1200 DEG C, evaporating lithium metal and lithium chloride, separating slag and metal to obtain the high purity rare earth metal. The reaction apparatus is composed of a furnace cover (1), a communicating pipe (2), a collector (3), a furnace body (4), a thermal baffle (5), a reactor (6), a heating device (7), an inflation system (8) and a vacuum system (9). The invention has the advantages of short process flow, high yield of rare earth metal and low production cost; the purity of the prepared rare earth metal is high. The used apparatus is simple and is easy to enlarge, and is suitable for large batch of industrial production.

The invention relate to an accelerator-driven subcritical transmutation reactor core adopting a dispersion metal fuel. The accelerator-driven subcritical transmutation reactor core sequentially comprises an external neutron source zone, a buffer zone, a fuel zone, an LBE (Lead-Bismuth Eutectic) reflecting layer zone, a stainless steel reflecting layer zone and a shielding layer zone from reactor core center to outside, wherein the fuel zone is divided into 2-4 zones from inside to outside; a plurality of fuel assemblies with the same structure, quantity and size are respectively loaded in each fuel zone; the fuel assemblies are composed of a plurality of triangularly-arranged fuel rods; the fuel rods are made from (TRU-10Zr)-Zr dispersion metal; and the Pu contents in the fuel rods of the fuel zones are sequentially increased from inside to outside. According to the invention, the fuel rods in the fuel zones are made from the (TRU-10Zr)-Zr dispersion metal, so that harder neutron spectrum is provided for the reactor core, the transmutation of minor actinides (MA) is benefited and the annual transmutation rate is up to about 15% and higher than the annual transmutation rate 10% of a Japanese scheme; and the fuel zone of the reactor core is divided, the Pu contents of the zones are at a certain proportion, the power peak density is low and the maximum value is not more than 450W/cm<3> under the condition that the safety is guaranteed.

The invention discloses a self-balancing wave-resistant ship, including a ship body in which a plurality of self-balancing devices are arranged, wherein the self-balancing device includes a float bowl arranged outside the ship body and immersed into the sea level for providing buoyancy support for the ship body; an oil cylinder, arranged in the ship body; a piston rod with a hollow interior part, one end of the piston rod being arranged in the oil cylinder and capable of moving axially while the other end being fixedly connected with the float bowl; a spring, arranged in the oil cylinder the piston rod, for providing pull force and push force for the piston rod; oil paths are also arranged in the ship body, the self-balancing devices communicate with one another by the oil paths; the oil paths, the oil cylinder and the piston rod are filled with hydraulic oil, and the hydraulic oil communicates and exchanges by the oil paths, thus ensuring that the hydraulic pressures at all parts are always the same. The self-balancing wave-resistant ship achieves the effect that the ship body is still stable when driving in storm, and is strong in wave-resistant stability, and good in shake prevention effect.

The invention relates to the technical field of monitoring systems, in particular to a transformer substation state monitoring data standardized access system and a transformer substation state monitoring data standardized access method. A power transformation equipment state access controller is additionally arranged in a transformer substation, if an on-line monitoring device in the substation directly meets a power transformation interface I1, the on-line monitoring device is connected with the power transformation equipment state access controller through the power transformation interface I1; if the on-line monitoring device in the substation does not directly meet the power transformation interface I1, a comprehensive monitoring unit is needed to be additionally arranged, the on-line monitoring device is connected with the comprehensive monitoring unit through a power transformation interface I0, the comprehensive monitoring unit is connected with the power transformation equipment state access controller through the power transformation interface I1, and the power transformation equipment state access controller is connected with a provincial power grid company end power transformation CAG (collective address group). By the transformer substation state monitoring data standardized access system and the transformer substation state monitoring data standardized access method, a comprehensive state monitoring system which is global, networked and intelligentized is realized, the objective of unified management is achieved, and the transformer substation state monitoring data standardized access system and the transformer substation state monitoring data standardized access method are significant in avoiding power equipment accidents and guaranteeing safe, reliable and normal running of equipment.

The invention discloses a self-compacting non-shrinkage concrete-filled steel tube, belonging to the technical field of concrete. The self-compacting non-shrinkage concrete-filled steel tube is prepared from the following components in parts by weight: 360-400 parts of cement, 53-100 parts of coal ash, 15-35 parts of ground slag, 50-80 parts of a compound expansion agent, 700-770 parts of mixed sand, 1040-1070 parts of gravel, 150-160 parts of drinking water and a high performance admixture, wherein the amount of the high performance admixture accounts for 1.7-1.8% of the total mass of a cementing material by mass percent. The self-compacting non-shrinkage concrete-filled steel tube provided by the invention has good self-compacting property, expansibility, fluidity, slump loss resistance,cohesiveness, segregation resistance and higher compression strength; furthermore, the expansion process and strength of concrete-filled steel tube are synergistically developed.