485results about How to "Expand application space" patented technology

Adhesives and sealants comprising submicron particles and nanomaterials, methods of making such adhesives and sealants, and methods of using such adhesives and sealants are provided.

The invention discloses a graphene-containing insulated radiating composition and preparation and application thereof. The composition comprises the components of silica-coating graphene, insulated heat-conducting filler, a surface treating agent, and a function additive. The preparation method comprises the following steps of: hydrolyzing ethyl silicate on the graphene surface by the sol-gel method to obtain graphene coated with a silica film on the surface; adding the surface treating agent to a mixture of the insulated heat-conducting filler and modified graphene; uniformly agitating; then adding the function additive; and uniformly dispersing to obtain the insulated radiating composition. The composition has the advantages that the graphene is processed by insulating and coating, and the insulated heat-conducting filler and additive of other forms are coordinately added, thus the composition shows high radiating improvement effect in the plastic cement and coating fields; and the composition can be widely applied to a heating element and a radiating facility of various electronic products and electrical equipment, and can greatly improve the radiating effect as well as prolong the service life of devices.

The invention provides a business card identification method and device, and the method comprises the steps: obtaining a to-be-identified business card image; inputting the business card image into acharacter detection model to obtain each text line area, wherein the character detection model learns and obtain a corresponding relation between image features and each text line area; and inputtingeach text line area into the character recognition model to obtain business card information corresponding to each text line area. According to the method, the text line areas in the business card image can be identified through the text detection model based on deep learning, the robustness is high, the influence of low-quality and noise data on text extraction can be reduced, and therefore the universality and the application space of the method are improved. Moreover, the text line areas are subjected to end-to-end recognition based on the deep learning character recognition model, single word segmentation is not needed, higher accuracy is achieved, higher recognition capability is achieved for various complex changes, and the universality and the recognition effect of the method are improved.

The invention belongs to the material science field, in particular to a basic biomass synthetic resin and a preparation method and an application thereof. The basic biomass synthetic resin is prepared by the following steps: taking acidity regulator to prepare a water solution with pH value of 6.0-10.0, adding plant protein powder in the water solution under the stirring state; adding a molecular structure modifying agent under the stirring state, performing the modifying reaction for 15-240 min at 5-75 DEG C; sequentially adding modified starch and a resin assistant, performing the polymerization reaction for 15-240min at 5-90 DEG C, adding preservative in a reaction system within the last 5-20min of the polymerization reaction; adding or not adding packing after finishing the reaction, and stirring uniformly to obtain the basic biomass synthetic resin, wherein the part of the materials is taken by weight. The basic biomass synthetic resin has wide application range on the respect of preparing bonding adhesive or coating.

The invention discloses a heater based on a transparent silver nanowire conducting thin film and a preparation method of the heater. The heater is simple in structure, uniform in heating and resistant to corrosion. The heater comprises a transparent substrate, the transparent conducting thin film, a conducting electrode and a protective layer. The heater is applied to defogging glass, a thermochromic substrate, a sensor substrate and the like. The preparation method of the heater comprises the steps of hydrophilization processing of the substrate, preparation of the transparent conducting thin film, preparation of the conducting electrode and preparation of the protective layer. According to the heater, silver nanowires synthesized through a low-temperature liquid phase method are used as raw materials, the transparent substrate is coated with the transparent conducting thin film through a non-vacuum non-high-temperature filming technology, the heating uniformity of the thin film is improved through technically mature and commercial conducting polymers, and the thin-layer protective film is obtained by means of liquid phase coating of cheap organic polymers. The heater is simple in structure, the raw materials are cheap, the requirement for preparation technological conditions is low, and large-scale production is facilitated.

The invention relates to the technical field of energy storage materials, particularly a high-heat-conductivity inorganic phase-change energy storage material. The high-heat-conductivity inorganic phase-change energy storage material is composed of the following components in percentage by mass: 80-99.4% of energy storage material, 0.25-10% of nucleating agent, 0.1-15% of modifier, 0.1-15% of water and 0.15-19% of heat-conducting reinforcing material. The energy storage material is crystalline hydrated salt, the nucleating agent is carbonate or borate, the modifier is a polyacrylic acid emulsion or thickening powder, and the heat-conducting reinforcing material is one or mixture of more of graphite, carbon powder, copper powder, carbon fiber and silicon carbide powder. Compared with the prior art, the energy storage material has the advantages of high stability, low tendency to supercooling, high latent heat energy, high heat conductivity and the like. By selecting the proper modifier and proportion thereof, the heat-conducting reinforcing material and nucleating agent material can be successfully dispersed uniformly in the system, thereby solving the problem of the phenomenon of phase separation of the material due to long-term cycle, further enhancing the heat-conducting property of the material and being worthy of popularization and application.

The invention provides a mining lot exploiting and monitoring method based on interferometric synthetic aperature radar (InSAR) technology. The method includes the steps of obtaining a probability integral method model coefficient of a mining area adjacent to a mining area to be detected, using a radar sight line directional deformation field, obtained through the InSAR technology, of a mining lot to be detected, using the length, the width, the thickness, an exploiting depth, a trend azimuthal angle and a central point coordinate of a working face of the mining area to be detected as unknown numbers, and enabling the unknown numbers and a probability integral method model coefficient of the mining area adjacent to the mining area to be detected to be brought in the probability integral method model, then using a genetic algorithm to search and obtain a parameter value of the working face of the mining area to be detected, finally, using the working face parameter value obtained through the genetic algorithm as an initial value of a mode searching method, and obtaining the accurate working face parameter value of the mining area to be detected through iterative search. The mining lot exploiting and monitoring method overcomes the defects in the prior art that only an approximate exploiting location can be obtained in the process of exploiting monitoring to the mining area, and underground goaf detailed parameter information can not be obtained accurately, greatly expands the application space of the InSAR technology in the mining area, and provides a mining area exploiting fine monitoring method which is low in cost and large-scale.

The invention relates to an off-line experience store management system. The system comprises an experience management system terminal and a client identification system, an information query system, a mobile query terminal and an output device which are connected with the experience management system terminal in a communication way, wherein the experience management system terminal is connected with a remote central server in a communication way and performs data interaction and the synchronization of an experience goods database; the client identification system is used for identifying experience sheet numbers of clients coming into a store, transmits the experience sheet numbers to the experience management system terminal and generates experience serial numbers of the clients; the output device is used for displaying information to users in the store according to instructions of the experience management system terminal; the information query system is communicated with the experience management system terminal and is used for providing real-time query of store inventories and experience information for the clients or salesclerks; and the mobile query terminal is used for reading all the goods information of the store and uploading the goods information to the experience management system terminal. Therefore, the system can realize mutual combination of an on-line system and an off-line system and provides an integrated shopping platform.

The invention provides a vehicle system and a virtual key authentication method thereof. As a vehicle virtual key, an intelligent terminal can register and order in a vehicle rental platform. After receiving the order request of the intelligent terminal, the vehicle rental platform generates identity authentication information according to a corresponding authentication key and sends the identityauthentication information to the intelligent terminal. The intelligent terminal transmits an instruction including identity authentication information to a vehicle-mounted control terminal on a vehicle, the vehicle-mounted control terminal performs authentication processing on the identity authentication information according to a pre-stored authentication key, and when authentication is successful, the intelligent terminal is allowed to control the vehicle. A user can directly use the intelligent terminal to interact with the vehicle rental platform and the vehicle-mounted control terminal on the vehicle, authentication is completed to achieve vehicle rental, improving rental efficiency, and avoiding various security risks caused by an entity key being cracked in the vehicle rental process; and the authentication key is only stored on the vehicle rental platform and the vehicle-mounted control terminal in the whole process, further ensuring the security of the key system.

The invention discloses a polylactic acid-based composite material surgical medical film and a preparation method thereof. By adopting electrostatic spinning equipment and exploring proper technological parameters, different types of polylactic acid-based composite material macromolecular fiber thin films are finally formed and are applied to the field of biomedicine. In addition, by regulating and controlling composition of a macromolecular composite material system and thickness of an electro-spinning thin film, the surgical medical film which has good flexibility, high tensile strength, controllable degradation rate as well as excellent waterproof, antibacterial and air permeable performances is obtained finally. The surgical medical film is applicable to the field of various biomedicines such as healing film, wound surface dressing and anti-adhesion medicine; the medical film not only can be better adhered to tissues and avoid biotoxicity, but also can effectively promote transmission functions of blood, nutrients and growth factors in a human body due to the nature of semipermeable membrane. The process of the invention is simple and environment-friendly; the preparation method is easy to operate, low in cost, applicable to large-scale production and good in controllability, and is expected to be widely applied to various medical fields.

The invention discloses a realization method for controlling the on-line charging of service flows, and a network system thereof. Service ending conditions are set in the local site by general packet radio system gateway support nodes; when detecting that the service meets the service ending conditions, the general packet radio system gateway support nodes report a credit control request message and a service ending message to a real-time on-line charging system; the real-time on-line charging system ends the service according to the received credit control request message and the service ending message. By adopting the realization method for presetting the service ending conditions in the local site, the information quantity carried by CCR is reduced in the flow, thus reducing the interaction of the on-line credit control messages between GGSN and OCS, and the load of the OCS and the GGSN for processing the on-line charging, and improving the message interaction efficiency between the GGSN and the OCS, and the accuracy of system charging.

The invention belongs to the technical field of design and construction of tunnel and underground engineering and especially relates to a rock stratum underground excavation three-story subway station umbrella cover structure and a construction method thereof. The structure comprises a main arc structure and a reinforced concrete inverted arch. an underground two-story side wall and an underground three-story side wall are installed between the main arc structure and the reinforced concrete inverted arch. The main arc structure comprises an arch portion second lining middle segment and arch portion second lining side segments; the arch portion second lining side segments are positioned at two sides of the arch portion second lining middle segment; the reinforced concrete inverted arch comprises an inverted arch second lining middle segment and inverted arch second lining side segments; the top of the inverted arch second lining middle segment is provided with two bottom girders; the bottom of the arch portion second lining middle segment is provided with two top girders; steel-pipe columns are installed between the top girders and the bottom girders. The structure and the method of the invention is suitable for supporting structure and construction of weak rock stratum dug three-story subway station and large sections of underground space; the structure has good stability and increased construction efficiency.

The invention discloses a visual odometer realization method based on fusion of RGB and depth information. According to the existing visual odometer realization method, only environmental RGB information can be obtained based on a monocular or binocular camera and three-dimensional information of the environment can not be obtained directly, so that the application environment of the method is limited and the precision is high. Besides, an RGB-image-matching-based positioning method has characteristics of mature technology and fast processing speed; and a Depth-image-matching positioning method has the characteristic of high environment changing robustness. According to the invention, with combination of the advantages of the RGB-image-matching-based positioning method and the Depth-image-matching positioning method, an RGB-D sensor is used for obtaining RGB and Depth information of a scene simultaneously and a visual odometer realization method based on fusion of RGB and depth information is provided. Information of 2D and 3D modes is utilized reasonably; the dependence on the illumination condition by the visual system is broken; precision, robustness, and practicability of the speedometer system can be improved substantially; and the application time and space for the mobile robot can be expanded.

The invention discloses a manufacturing method of a two-component superfine non-woven filtering material. Any two of polyester (PET), polyamide (PA6) and polyethylene (PE) serve as raw materials for composite spinning, the pressure in the airflow drafting process is controlled, and two types of spun viscose webs which are greatly different in fiber line density are obtained; lapping is conducted on the two types of spun viscose webs, multiple cycles of spunlace splitting and solidification formation are conducted, and the superfine non-woven filtering material is finally formed. According to the two-component superfine non-woven filtering material manufactured through the method, due to the fact that two-component hollow orange-slice fibers are cracked and separated into superfine fibers under the spunlace pressure, a special three-dimensional stereo structure is formed after solidification, different fiber density gradients exist, and the manufacturing method has the advantages of being high in filtering efficiency, small in resistance, large in dust containing capacity and the like.

The invention discloses an operability optimization motion programming method for a redundancy mechanical arm. The operability optimization motion programming method comprises the steps of setting anoptimized motion performance index for maximizing the operability derivative of the redundancy mechanical arm and a constraint relation corresponding to the motion performance index; converting the motion performance index and the corresponding constraint relation into a quadratic programming problem; solving the quadratic programming problem through a quadratic programming solver, so that a solving result is obtained; and controlling the mechanical arm to move according to the solving result. By means of the method, various physical constraints of the redundancy mechanical arm can be effectively avoided, and the application space for conducting operability optimization motion programming on the redundancy mechanical arm is effectively expanded.

A thermo acoustic engine driven by heat conduction of heat tube consists of traveling-wave loop and resonant branch. It is featured as forming said traveling-wave loop by connecting in sequence of DC controller, master cooler, heat regenerator, heater, heat buffer tube, sub cooler and feedback loop; connecting heater of engine to heating source through heat tube.

The invention discloses a representing and processing method for semantic data of semantic-oriented Web service program design, which comprises the following steps of: (1) formulating XML Schema mode standard of semantic data types and semantic variables; (2) defining semantic data types on the basis of basic body; (3) declaring semantic variables; (4) using the semantic variables; and (5) processing the semantic data. According to the characteristics of semantic program design of semantic-oriented Web service, the invention formulates the semantic data representation standardizing and processing method for semantic-oriented Web service, can be convenient to carry out actual development of semantic software for developers conveniently. The use of the semantic data representation standard can assist to develop a semantic Web application system, can precisely debug various semantic Web program and process the semantic data related to service process and realize the automation of semantic information processing.