243results about How to "Breaking the monopoly" patented technology

The invention relates to the field of power system devices, in particular to a novel monitoring and protecting system for a test thyristor of a converter valve module. The system provided by the invention comprises thyristor electronic equipment (TE), valve-based electronic equipment (VBE), a control protection system and the like. The control protection system computes the triggering angle of the thyristor according to the current operation condition of a converter valve and sends the triggering angle to the VBE, the VBE generates a triggering coded pulse and sends the triggering coded pulse to the TE, and the TE generates a triggering pulse and sends the triggering pulse to the thyristor, thereby triggering the thyristor. The TE generates a monitoring and protecting return pulse according to the state of the thyristor, the return pulse is transferred to the VBE through an optical fiber, the VBE gathers the uploaded state information, then the gathered information is uploaded to the control protection system through a CAN (Controller Area Network) bus, and the control protection system finishes the process of monitoring the state information of the valve module thyristor level. In the normal operation process of the converter valve, if the voltage received by the thyristor exceeds the tolerance capability of the thyristor, the thyristor can be damaged possibly, thus the protection technology of the thyristor is very important. The control protection system, the VBE and the TE finish the protection of the normal operation of the converter valve module.

A marine simulator used for marine teaching consists of ship movement mathematic model, simulated driving desk, equipment and visual scene system. it is featured as using microcomputer group as base and applying distributed interactive simulation, computer imaging, stereo visual, geometric calibration and edge merging techniques as well as setting visual scene system on both master ship and sub-ship to make six-freedom high accuracy teaching mode to be all-task marine simulator. Its development platform system is also disclosed.

The invention discloses an ultra centrifuge. The ultra centrifuge solves the two major problems of development of high-speed motors and development of high-speed vacuum sealing devices, air floatation and air floatation hybrid bearing technology is adopted in the design of the high-speed motors, and bearing stiffiness and bearing stability are enhanced greatly; a large interference shrink fit method is adopted in the design of protective sleeves, and completeness of rotors is protected effectively; the rotors are of a three-section structure; a stator core is of a relatively eclectic 12-groove structure, and a winding utilizes a ring-type winding; and the cooling method is a force-air cooling method, and reliable and stable operation of an ultra centrifuge driving device is guaranteed. High-speed vacuum sealing utilizes a magnetic drive vacuum dynamic sealing connection method, and non-contact transmission of motive power is achieved through magnetic transmission between an inner magnet rotor and an outer magnet rotor. The successful development of the ultra centrifuge changes the passive situation that out country completely relies on import in an ultra centrifuge market, and the ultra centrifuge has wide market prospects and great social benefits.

The invention discloses a power lithium ion battery thermal runaway early warning system. The system comprises a microprocessor and an alarming apparatus, and the system is characterized in that the system further comprises an electric signal monitoring unit, a smog monitoring unit, a temperature monitoring unit, a controller and a human-computer interaction end. One ends of the electric signal monitoring unit, the smog monitoring unit, the temperature monitoring unit are connected to the lithium ion battery respectively, the other ends are connected to the microprocessor, one connecting end of the controller is connected to the microprocessor, and the other end of the controller is connected to the alarming apparatus. The invention further discloses a power lithium ion battery thermal runaway early warning method applicable to the system. The power lithium ion battery thermal runaway early warning system can conduct monitoring on the charge-discharge voltage, electric current, battery temperature and smog in a battery package of the lithium battery, can perform early warning in time according to a monitoring result and notify a user to manage in time, and is applicable to other fields of energy storage equipment, low-speed scooters, passenger cars, business cars and aviation and the like.

The invention discloses an objective positioning and classifying algorithm based on deep learning. The algorithm comprises the following steps: S1, inputting a picture into a first network and outputting a series of objective positioning frames and scores; S2, inputting a picture and a series of sub windows into a second network; S3, forwardly propagating the networks to a last convolution layer to generate a characteristic pattern; S4, performing coordinate transformation on the sub windows by using a zooming coefficient in order to map the coordinates to the characteristic pattern; S5, acquiring a characteristic from the characteristic pattern by using the zoomed sub windows and pooling the characteristic to a regular size; S6, classifying the pooled data to obtain a classification result and a score of an area; and S7, inputting the objective positioning frames and the classification result of the area into a classifier to carry out classification, and outputting the type and the coordinates of the objective. The algorithm may extract characteristics, classifies the objectives, performs positioning and identification by using a unified network, and greatly increases calculating speed.

The invention relates to an enterprise service bus which comprises a service bus module. The service bus module comprises a service access unit, a message container unit and a service out unit, wherein based on Axis 2, the service access unit is used for providing a simple object access protocol (SOAP) engine, a Web service description language (WSDL) engine, service registration and Web services; the message container unit is used for carrying out message router, service combinations, data mapping and data conversion; and the service out unit is used for adaption of access and protocols of other application systems under a distributed environment. According to the enterprise service bus, a core function module part is mainly based on the Axis 2 which is only used as a Web service container, on the basis, function development and expansion based on an enterprise service bus (ESB) technical specification are carried out, and the ESB meets a complete concept. The ESB has proprietary intellectual property rights, and is beneficial for breaking monopoly on ESB products and service oriented architectures (SOA) of other manufacturers.

The invention discloses an automatic ultrasonic truing processing machine for a wire-drawing die and a processing method, and belongs to the technical field of ultrasonic truing and polishing. A pillar and an X-axis translation mechanism are fixed on a base through bolts, the X-axis translation mechanism and a Z-axis lifting mechanism are respectively composed of a guide rail, a screw, a mobile platform mechanical part and a servo motor, the Z-axis lifting mechanism is arranged right in front of the pillar, an ultrasonic transducer rotating mechanism is arranged on a lifting table of the Z-axis lifting mechanism through an adapting block, a grinding wheel rotating reciprocating movement mechanism and a workbench pressure control mechanism are arranged on a mobile table of the X-axis translation mechanism through a support, and a control system component box is arranged on the left side wall of the pillar through fixing bolts. The functions of setting of processing time and processing pressure, automatic on-line polishing of a tool needle, automatic positioning of the tool needle and the wire-drawing die, automatic ultrasonic processing and the like are realized, thus the problems of poor consistency and poor stability of hole shapes caused by manual processing are solved, and the production efficiency and the production quality of the wire-drawing die are improved.

The invention relates to the field of electronic commerce management marketing, and specifically relates to an electronic commerce platform management method. The method employs the following management operation method: step one, a business platform designs three membership forms, i.e., trade company members, consumer members and service provider members; step two, the business platform designs three total income sources; step three, a reward process method is employed for the three kinds of members; step four, all accumulated points of the three kinds of members are counted monthly for receiving bonuses from platform income, and the accumulated points are neither cleared nor emptied after bonus distribution and can continuously participate in monthly bonus distribution of the platform afterwards; and step five, a financial payment method process is employed, i.e., a settlement period starts from the early of a month and ends at the end of the month, platform financial data is issued at the fifth day of each month, and the commission bonus of each member of the platform is paid at the tenth day of each month. The method provided by the invention is simple to operate and convenient to manage, breaks the monopolization of network business giants and brings innovation to internet online sale and consumption.

The invention discloses a silica gel absorption column extraction kit and method for free DNA (Deoxyribonucleic Acid) and RNA (Ribonucleic Acid) of blood plasma or blood serum and relates to the fieldof molecular biology. The kit comprises proteinase K, isopropyl alcohol, absolute ethyl alcohol and threefold-distilled water, and further comprises a lysis solution containing a nucleic acid separation accelerant, an adsorption solution containing a nucleic acid adsorption accelerant and a washing solution; the method is mainly carried out by utilizing the kit. By adopting the kit provided by the invention, the free DNA and RNA in the blood plasma or the blood serum can be rapidly and completely released, and denatured protein keeps a dissolved state; under the action of the adsorption solution, the free DNA and RNA are efficiently adsorbed on a silica gel absorption column; after the silica gel absorption column is washed by the washing solution, the free DNA and RNA with relatively high purity and concentration are obtained.

The invention relates to a rotary steering well drilling device in the field of well drilling tools. The rotary steering well drilling device is mainly composed of a central spindle, a positioning cylinder, a positioner, a positioning key, a tension spring, a control valve, a control pin, a compression spring, an offset block, a bearing and a sealing device. The central spindle is connected with a drill column and a drill bit. During deflecting, an offset mechanism stretches out, the drill column and a well hole are eccentric, the positioning cylinder and the offset mechanism do not rotate, the drilling pressure and the torque are transmitted to the drill bit through the central spindle, and therefore a deflecting section can conduct rotary and directional drilling. During angle holding, the offset mechanism retracts back, the drill column and the well hole are concentric, the drilling pressure and the torque are transmitted to the drill bit through the central spindle, and therefore an angle holding section conducts rotary drilling. The rotary steering well drilling device is high in deflecting capability, wide in application range and capable of greatly reducing the well drilling cost of a well of a complex structure, and meanwhile the rotary steering well drilling device has the beneficial effects of being simple and reliable in structural design, convenient to machine, large in transmission torque, stable in operation and the like.

The invention mainly discloses a method for managing dynamic enterprise credit scores by using a public block chain, which comprise the steps that firstly users respectively can obtain unique registration codes by registering on the block chain, the credit subject of each user corresponds to a block chain, and the credit block chains adopt a distributed storage mode; each user has a pair of publicand private keys, the first block of each credit block chain is registration information encrypted by the corresponding user by the private key thereof, and each user needs to send a confirmation encrypted and signed by the private key thereof; then information is added to the credit block chain of the user according to the registration code of the user and broadcast to each distributed storage system. The method has the advantages of high security and sharing performance, credit cost reduction, decentralization and the like, and serves enterprises and users so as to achieve objective, accurate and fair credit evaluation.

The invention provides an implementation method of a central control platform of underground fully-mechanized coal face hydraulic supports. The central control platform is composed of a PLC S7-300 c8051f020 single-chip microcomputer by SIEMENS, a Power Builder tool, an SQL server database and a multi-protocol communication platform. The Power Builder tool is used as a front development platform; the PLC S7-300 c8051f020 single-chip microcomputer by SIEMENS is a real-time control platform; thus, central control is implemented for the coal mine underground fully-mechanized coal face hydraulic support. A control method provided by the invention has a function of automatic post-cutting and support-removing under central control; video-based crossheading remote adjustment and control can be achieved; various messages can be transmitted remotely to a ground monitor center in real time; various faults during a mining process can be monitored in real time; mining production is automated.

The invention discloses an enterprise service bus for integrating a rule engine. The enterprise service bus comprises a service bus module, a platform management module, and a rule service module, wherein the service bus module comprises a service access unit, a message container unit, a service out unit, a service mediating unit, a message routing unit, and a data converting unit; the platform management module is connected with the service bus module and used for managing relative configuration of the enterprise service bus; the rule service module is connected with the service bus module and used for expanding the service rule and the business process capacity to the enterprise service bus; the rule service module comprises a service rule unit, a strategy rule unit and a rule engine unit. The enterprise service bus is an integrated conceptual enterprise service bus due to the functional development and expansion based on ESB (Enterprise Service Bus) technical specification. The enterprise service bus is beneficial to break through market monopoly of other large-scale enterprises.

A high tempering parameter SR embrittlement resistant cryogenic nickel steel and a manufacture method thereof. The nickel steel comprises, by weight, 0.025%-0.060% of C, Si no more than 0.15%, 0.45%-0.85% of Mn, P no more than 0.012%, S no more than 0.0020%, 0.10%-0.40% of Cu, 2.80%-3.80% of Ni, 0.10%-0.30% of Cr, 0.05%-0.30% of Mo, 0.040%-0.070% of Als, 0.006%-0.012% of Ti, 0.008%-0.025% of Nb, N no more than 0.0040%, 0.001%-0.003% of Ca, residual iron and unavoidable inclusions. According to optimized controlled rolling and a normalizing plus tempering technology, the nickel steel gains extremely high ultralow temperature toughness, excellent HIC / SCC resistance, weldability and bearing capacity of high heat input welding; besides, the nickel steel has excellent high tempering parameter SR embrittlement resistance characteristic, and is especially suitable for manufacture of large-scale LPG low temperature storage tank, low temperature storage tank for ship and large-scale steel structure for ice ocean and polar region.

The invention relates to a high-hydroxyl-value dry short-oil alkyd resin grafted and modified by acrylic acid, and a preparation method thereof. The compositions and weight percentages of the resin are as follows: 28 percent to 33 percent of dry oil, 26 percent to 35 percent of polyatomic alcohol, 26 percent to 43 percent of polyprotic acid, 13 percent to 20 percent of acrylic monomers, 1.2 percent to 2 percent of initiators and trace catalysts. The short-oil alkyd resin prepared by the preparation method can react with a cross-linked resin to form a mesh spatial structure with large cross linking degree so that coating structures are quite compact and not easy to be penetrated by chemical substances. The short-oil alkyd resin has fast curing performance under low temperature and high corrosion prevention performance, and the assembly line work thereof can be realized, thus being helpful to promoting the manufacturing technology levels of protective coating at the back of eyeglasses in China, breaking the monopoly of products of large foreign companies and reducing the production cost and operating cost of the eyeglass manufacturing industry in China.

This is a way of producing pill directly using liquid pululan, belonging to the technical field of production of spare food. The invention use CGMCC No.1234, fenment, then we get the liquid, offering the material. The liquid is used to make the film. Control the film's dry degree, and then the pill is made over. The pill produced in this way compared with the foreign, has the close quality, but its cost is much lower, so it has the distinct competitive power.

The invention discloses an injectable early-strength ultrahigh-toughness mortar concrete system and a preparation method thereof. The injectable early-strength ultrahigh-toughness mortar concrete system is prepared from aluminate cement, an early strength agent, a thickening time control agent, a thixotropic agent, a water reducing agent, a defoaming agent, special fibers and the like. According to the injectable early-strength ultrahigh-toughness mortar concrete system and the preparation method thereof, the rheological characteristics, the early strength behavior, the injection constructionand the strong base body bonding characteristic of the system can be adjusted through optimization of the components, and the obtained injectable early-strength ultrahigh-toughness mortar concrete system can be applied to rapidly repair of conventional constructional engineering and road and military engineering.

The invention belongs to the technical field of production and manufacturing of an optical film, and discloses an active brightness enhancement film. The brightness enhancement film comprises a polymer thin film layer comprising a quantum material, and a polymer thin film layer comprising a metal nanomaterial, wherein the quantum material is in directional arrangement; the metal nanomaterial is in directional arrangement; and the quantum material is perpendicular to the arrangement direction of the metal nanomaterial. The invention also discloses a preparation method for the active brightness enhancement film. According to the active brightness enhancement film, the maximum efficiency can be realized while blue, red and green polarized light can be obtained; P polarized light emitted by LED back light can be realized in a non-DBEF condition, so that monopoly of the American 3M company can be broken; and the active brightness enhancement film, used as a light emitting material, is used for many purposes of QLED backlight display and the like.

The invention discloses a photosensitive resin composition for photocuring a 3D printing elastomer and a preparation method of the photosensitive resin composition. The composition is prepared from the following raw materials in percentage content: 20 to 60 percent of acrylic-terminated flexible polyurethane prepolymer, 20 to 60 percent of polyurethane acrylate resin, 20 to 50 percent of polyethylene glycol dimethacrylate resin, 20 to 50 percent of reactive diluent, 1.0 to 5.0 percent of photoinitiator, 0.1 to 1.0 percent of defoaming agent, 0.1 to 1.0 percent of flatting agent and 0.1 to 1.0 percent of antioxidant. The photosensitive resin composition for the photocuring 3D printing elastomer has high reaction activity and can be used for conventional SLA, DLP and other desktop-level 3D printing equipment, and printed products are good in wear resistance, small in shrinkage rate, not prone to yellowing, good in elasticity and excellent in mechanical property.

The invention discloses a longitudinal welded pipe welding seam protrusion detecting system based on laser scanning. The longitudinal welded pipe welding seam protrusion detecting system comprises a transmission device, a two-dimensional laser scanning sensor and an upper computer, wherein the two-dimensional laser scanning sensor is arranged above a welding seam and used for scanning the welding seam along the axial direction of a welded pipe at equal distance, and acquiring two-dimensional contour data of the welding seam and radial cross sections of the welded pipe on both sides of the welding seam at different positions; the transmission device is used for adjusting the position of the two-dimensional laser scanning sensor; and the upper computer is connected with a controller of transmission device and the two-dimensional laser scanning sensor through commutation lines. The longitudinal welded pipe welding seam protrusion detecting system based on laser scanning adopts a non-contact method for detecting types of welding seam protrusions of the welded pipe, and has the advantages of easy implementation, high adaptability, high precision and the like.

The invention relates to novel polyetheramine used as a gasoline detergent and a synthetic method thereof. The polyetheramine is shown as a general formula (I) shown in the specification. In the formula (I), n is the number of repetitive units of polyether chain segments and is between 10 and 40, R1 is one of alkyl (C1-2), R2 is one of alkyl (C1-2) or alkoxy (C1-2), and X is an organic group containing amino. The synthetic method includes following two steps: subjecting polyether and ketene or acetoacetate to condensation, and reacting the product of the condensation with an amine to produce the polyetheramine. The polyetheramine is used as the gasoline detergent, inhibits or cleans deposited carbon in engine fuel nozzles, inlet valves and combustion chambers, reduces combustion oil consumption, prolongs service lifetime of engines, reduces discharge of automobile exhaust, and has important application value.

The invention relates to a preparation method of a multi-functional nanometer MgO vanadium inhibitor. According to the preparation method, magnesium compounds, organic acid, resin dispersant, organic solvent and water serve as raw materials, and oil-soluble nanometer MgO is synthesized through a special process. The synthesized oil-soluble nanometer MgO not only can serve as the vanadium inhibitor but also can serve as an acid neutralizer, and acidic corrosion caused by elements such as sulfur and nitrogen in the combustion process is inhibited. The multi-functional nanometer MgO vanadium inhibitor and the preparation method and application thereof are simple in process, and the prepared multi-functional nanometer MgO vanadium inhibitor is high in Mg concentration, good in dispersity and high in stability and can be preserved for a long time.

The invention discloses a method for extracting and purifying humus in soil, peat and lignite. The method comprises the steps of: (I) extracting soluble humus by an alkali; (II) extracting iron-combined humin by acid-soluble alkali extraction; (III) extracting viscous particle-combined humin by acid-soluble alkali extraction; and (IV) separating and purifying insoluble humin. The invention systematically proposes a method for extracting and purifying humin, and improves and optimizes humin and fulvic acid extraction methods proposed by the National Humus Association, so that the method is moresuitable for domestic humus source characteristics, and through combination of the humin and fulvic acid extraction methods, a complete set of systemic integral standard method for extracting the components of humus of different sources is formed with independent intellectual property rights.

The invention provides a gas compressor system. The gas compressor system is characterized by comprising a gas compressor, a control system connected with the gas compressor, and a motoring end connected with the gas compressor system, wherein the gas compressor is provided with an inlet guide vane which is connected with the gas compressor system, a backflow valve which is connected with the gas compressor system, and provided with an exhaust port connected with an intake port of the inlet guide vane, a first-stage compression device which is provided with an intake port connected with an exhaust port of the inlet guide vane, and a second-stage compression device which is provided with an intake port connected with an exhaust port of the first-stage compression device, and provided with an exhaust port connected with an intake port of the backflow valve; and the control system is provided with an inlet guide vane control system used for controlling the inlet guide vane, and a backflow valve control system used for controlling the backflow valve.

The invention discloses a method of producing Fu tea by means of artificial fermentation. Themethod comprises the following steps in sequence: humidifying dry tea leaves to enable water content of the tea leaves to be 30-40%; sterilizing the humidified tea leaves at a temperature of 110-120 DEG C; cooling the sterilized tea leaves to a temperature below 40 DEG C, artificially inoculating activated eurotium cristatum under a sterile condition, and mixing uniformly; fermenting the tea leaves for 20-30 days in a sterile and air-permeable container at a temperature of 20-30 DEG C; hot-pressing and forming the tea leaves; drying the tea leaves naturally. The invention further discloses an eurotium cristatum bacterial strain with the preservation number of CGMCC No.3.15516. According to the invention, the method has the advantages of simplicity in operation, relatively low cost and no limitation from raw materials and geographical conditions. As a sterile culture technology is employed, sundry bacteria contamination is avoided, and high product quality and product safety are realized.

The invention discloses a photosensitive resin composition for a photocuring 3D printing high-toughness product and a preparation method of the photosensitive resin composition. The preparation method comprises the following steps: dissolving 5-30% of MBS resin in ethyl acetate / vinyl acetate to prepare an MBS solution, then mixing and adding 20-60% of an acrylic-terminated flexible polyurethane prepolymer, 20-60% of acrylate resin, 5-30% of polyethylene glycol dimethacrylate resin and 20-50% of a reactive diluent, conducting mixing and heating to 30-110 DEG C, conducting stirring and mixing for 0.5-12 hours, removing a solvent in vacuum, and finally, adding 0.1-1.0% of a defoaming agent, 0.1-1.0% of a flatting agent, 0.1-1.0% of an antioxidant and 0.1-5.0% of a photoinitiator, and uniformly conducting stirring and mixing to obtain the photosensitive resin composition for the photocuring 3D printing high-toughness product. The high-toughness photosensitive resin composition for photocuring 3D printing prepared by the invention has the characteristic of high toughness, and also has the characteristics of low viscosity, low shrinkage, high curing speed and the like which accord with a photocuring 3D printing forming process.

The invention discloses a method for bending and forming an aluminum section side column member of a railway vehicle body, which belongs to the technical field of metal plastic working. The forming method is mainly characterized in that the aluminum section side column member is bent and formed on a hydraulic press by adopting a bending and forming manner of a die. The method comprises the following steps of: firstly, filling discrete type filler in a semi-closed die cavity of the section and filling a continuous mandrel in the closed die cavity; secondly, horizontally placing the section on a raised lower ejector plate and enabling a spigot of the section to be placed upwards; thirdly, enabling an upper die to downwards move to press the blocky filler; enabling the upper die to lock a straight line segment part of the member together with the lower ejector plate to continuously move downwards and bend the section, completely laminating and finishing bending and forming; and finally, returning the upper die, ejecting the bent section by using the lower ejector plate, taking out the filler and processing geometrical characteristics to obtain a qualified side column member. The quality of products produced by the forming process disclosed by the invention is favorable, thus the rework is avoided; the production efficiency can be multiply improved; and the method can be used for bringing huge economic and social benefits to enterprises.

The embodiment of the invention discloses a resource publishing method and relevant equipment. The method comprises the following steps that: a blockchain management device receives a resource publishing affair from a first blockchain device, and checks the resource publishing affair; and if the blockchain management device successfully checks the resource publishing affair, the blockchain management device publishes the resource publishing affair to a blockchain network to which the first blockchain belongs. When the embodiment of the invention is adopted, the blockchain management device publishes the resource publishing affair to the blockchain network, so that each blockchain device in the blockchain network stores the resource publishing affair, and therefore, the publishing of the resource publishing affair can be fairly shared by all blockchain devices in the blockchain network.

A multifunctional medical diagnosing equipment for electrocardiogram, ultrasonic imaging, measuring blood pressure and blood sugar, biochemical analysis and urine analysis is composed of multi-mode programmable interface, reconfigurable signal processing channel, embedded CPU, memory, video interface, and USB interface. The TV set or computer can be used as its display device.

The invention discloses a hydraulic torque converter and mainly relates to the field of oil and gas well drilling. The hydraulic torque converter is installed between a bottom drilling tool combination and a drill column. The hydraulic torque converter is mainly composed of a center shaft, an outer shell, bearing devices, an adjustor, a spring, a hydraulic clutch, a coupler, a torque generator and a nozzle. Due to the special structure and the special connecting function relation among the center shaft, the outer shell, the bearing devices, the adjustor, the spring, the hydraulic clutch, the coupler, the torque generator and the nozzle, the hydraulic torque converter can achieve drill column rotation on the premise that reactive torque of the bottom drilling tool combination is balanced and a tool face is stabilized and can also complete tool face adjustment or composite rotation well drilling work. The drilling speed of a well of a complex structure can be better increased, the well track control precision can be better improved, in addition, a conventional sliding well drilling manner can be changed into a rotation well drilling manner, sliding friction resistance of the drill column is effectively reduced, and the hydraulic torque converter is of great significance in improving the well drilling efficiency of the well of the complex structure. Meanwhile, the hydraulic torque converter has the beneficial effects of being simple in structure, convenient to operate and install, safe and reliable.