128results about How to "Groundbreaking" patented technology

The invention provides a tissue engineering nerve graft based on a biological printing technology and a preparation method thereof. The tissue engineering nerve graft comprises an outer tube and a tube inside scaffolds, wherein trophic factors and/or cells can cover the inner surface and the outer surface. A high-fidelity printing operation is performed according to the actual nerve shape demand by utilizing the biological printing technology, a polymer solution is printed into the specified nerve graft in a three-dimensional way by using an ink-jet printer by adjusting the sizes and the quantity of the jet nozzles of the ink-jet printer, the distances from the jet nozzles to a bottom layer and the pulse frequency of a supercharger and writing a control program of specific printing, and the specified nerve graft is applied to treatment of peripheral nerve defect and spinal cord injury.

The invention discloses an intelligent train traction fault big data abnormality detection and recognition method. The method includes: collecting working signals of traction equipment of an intelligent train in real time; sampling the working signals to acquire a sampling dataset; using an isolated forest abnormal value quick detector to quickly detect the sampling dataset, and acquiring remarkable abnormal point in the working signals; building a Hampel sliding window identifier filter according to the remarkable abnormal point, and processing the sampling dataset to acquire a sampling dataset after being processed; acquiring a training sample set, and training a classifier based on a slack supporting vector machine by taking processed sampling data of a training sample as input and corresponding fault type as output; using a traction fault diagnosis classifier acquired by training to diagnose the sampling dataset after being processed and acquired in the step 3, and detecting faulttype of tiny and suspicious fault in the working signal S. By the method, fault detection efficiency and diagnosis accuracy of the train traction equipment are improved.

The invention relates to beaded electrospun nanofiber immobilized saccharomycete and a preparation method thereof. Nanofiber comprises electrospun polymer or macromolecules, a solvent and a saccharomycete; prepared mixed solution is placed in an injector and is spun with an electrospinning instrument, microorganisms are introduced into the nanofiber by dispersion of the saccharomycete in a spinning solution, the advantages of the nanofiber such as high specific area, high porosity, large length-diameter ratio and bulkiness and porousness are combined, in-situ immobilization is achieved for saccharomycete cells, an active organic/microorganism composite is obtained, and a function similar to a multi-enzyme bioreactor is enabled. A product and preparation method of the invention have the advantages such as high processing efficiency, high reacting speed, ease of control, high antifouling capacity, continuous reusability, and ease of product separation. The beaded electrospun nanofiber immobilized saccharomycete is applicable to the fields such as biological catalysis, filtering and adsorption, drug delivery and tissue engineering.

The invention provides a system and a technology for environmentally-friendly comprehensive treatment of iron making blast furnace gas. The system comprises a blast furnace top uniform pressure gas full-recovery system, a gravity deduster and a dry bag filter, and further comprises a blast furnace gas hydrolysis tower and a blast furnace gas desulfurization tower. The blast furnace gas goes through the gravity deduster and the dry bag filter, and then is conveyed into the blast furnace gas hydrolysis tower, COS in the blast furnace gas is hydrolyzed by the blast furnace gas hydrolysis tower toform H2S; the treated blast furnace gas goes through a TRT/or pressure regulating valve group, and then is conveyed into the blast furnace gas desulfurization tower, and the blast furnace gas desulfurization tower desulfurizes and dechlorinates H2S and Cl<-> in the blast furnace gas; and the treated blast furnace gas is conveyed into a blast furnace gas user or is stored in a gas cabinet througha gas pipe network. The integral treatment technology which integrates blast furnace gas desulfurization, dechlorination and blast furnace top uniform pressure gas recovery has a high integration degree, and can run stably and reliably.

The invention discloses an on-orbit test method for space-borne sliding spotlight SAR aiming precision. The method comprises the following steps: choosing a ground control point whose absolute position coordinate is Ptarget0; according to the current orbital position of the satellite PSatellite0, forecasting the orbital position PSatellite1 (WGS84 coordinate system) of the control point at the covering time; performing calculations to the SAR imaging related parameters; based on the imaging parameters, calculating the relative position PRelative0 of the control point in an imaging band; covering by the satellite and irradiating to the known control point and downloading data; receiving the data by a ground application system and carrying high precision Doppler center computing and imaging processing; conducting geometrical positioning to the image by the ground application system based on the navigation data and the ephemeris parameters; intercepting the image according to the imaging bandwidth design value; and identifying the already known control point on the image; calculating the relative position coordinate PRelative1 in a scene. The invention can effectively solves the on-orbit test and evaluation on the space-borne sliding spotlight SAR aiming precision and can effectively ensure the accuracy for the user to obtain the SAR image of a required target.

The invention provides an imaging quality improving method of a high-resolution spaceborne SAR. The method comprises the following steps that 1) imaging quality improving demands are analyzed and imaging quality indexes are arranged on the basis of a high-resolution SAR image application; 2) optimized imaging quality indexes are decomposed and distributed; 3) measures for improving the imaging quality are provided; and 4) the imaging quality improving effect is evaluated on the basis of full-link simulation. The method provided by the invention is clear in processes and easy to realize, can guide general design of the spaceborne SAR, is innovative, and is suitable for imaging quality improving researches of other types of SAR satellites.

The invention relates to a production method of a multi-grain and color-varied PU film shell, which aims at forming grain on the surface of a plastic shell. Firstly, patterns are processed inside a die cavity of a die, but carving patterns in the die cavity is not only expensive but also difficult; in addition, some patterns can not be carved. The production method of the invention mainly select a PU, polyurethane film shell with demand grain and color, and the film shell is put inside a preset shaped thermoplastic die and is pressed into shell surface shape through the thermoplastic die, and then a PU molding body with the shell surface shape and surface patterns and color is moved to an ejecting molding die, fused plastic materials ejected are combined with the PU molding body, thus forming the shape of the die cavity. After being cooled and taken out, a colloid shell with surface pattern and color is obtained.

The invention discloses an artificial intelligence skin with temperature, humidity and pressure detecting functions. The artificial intelligence skin comprises a signal collecting part and a circuit part, wherein the signal collecting part is composed of a humidity sensitive material layer, a first electrode layer, an insulating layer, a second electrode layer, a thermistor material layer, a thirdelectrode layer, a flexible material layer and a fourth electrode layer which are sequentially arranged from top to bottom; the circuit part comprises a front end circuit and a rear end circuit. Theinvention further discloses a method of using the artificial intelligence skin for detecting temperature, humidity and pressure. The artificial intelligence skin is simple in structure and easy to miniaturize and integrate, and the testing method is concise and rigorous. The method is suitable for manufacturing the artificial intelligence skin.

The invention discloses a slab manufacture quality monitoring pre-warning system package device, and relates to the technical field of quality monitoring pre-warning. The device comprises a database unit, as well as a data collection unit and a pre-warning report unit which are connected with the database unit, wherein the data collection unit is used for collecting each quality monitoring parameter in a slab producing process, and transmitting the quality monitoring parameter to the database unit; and the database unit is used for determining whether the quality monitoring parameter exceeds the threshold of a standard design parameter, and transmitting the quality monitoring parameter to the pre-warning report unit if the quality monitoring parameter exceeds the threshold of the standard design parameter. By utilizing the device, real-time dynamic monitoring of the slab manufacture process and timely quality pre-warning are realized for the first time in the slab precise manufacture industry, critical data can be reviewed, regenerated and re-derived by adopting an Internet of things technology, and powerful assurance is provided to slab construction and operation maintenance, thus the device has significant meanings in assuring high-speed rail quality, constructing digital railways and improving the railway operation intelligent level.

The invention relates to a drilling tool for a two-way soil-cement mixed pile. The drilling tool comprises an inner drilling rod, an outer drilling rod, an inner drilling bit and an outer drilling bit, wherein a water gas injection device is arranged at the upper part of the outer drilling rod, a cavity between the outer drilling rod and the inner drilling rod is set as a channel enabling water gas to descend, a water gas injection spray nozzle is arranged in the position of an outer drilling core pipe above a lower layer of mixing blades of the outer drilling head, the water gas injection spray nozzle is provided with a spray pipe which is arranged perpendicular to the outer drilling core pipe, spray ports are arranged at the two ends of the spray pipe, a valve cavity is arranged in the middle of the spray pipe, a floating spherical valve core is arranged in the valve cavity, and the middle of the valve cavity is connected with the outer drilling core pipe through a connecting pipe. When a pile is made of cement flour, the quality problem of the pile formed at the upper part due to low water content in a crust layer on the earth surface can be solved by water injection; when the pile is made of cement grout, the quality problem of the pile formed at the deep part due to the lack of dry curing at the deep part of the file can be solved by gas injection; the full pile length pile quality of the two-way soil-cement mixed pile can be ensured; and simultaneously, the drilling pipe is less prone to pipe blockage and can increase the mixing times of the cement flour or the cement grout which is sprayed out and greatly improve construction efficiency.

The present invention relates to a gene fusion mutation library construction method, a gene fusion mutation detection method, a gene fusion mutation detection device, computer equipment and a computerstorage medium. The above-mentioned gene fusion mutation library construction method and the gene fusion mutation detection method and device are based on a DNA probe hybridization capture multi-geneRNA targeted sequencing technology, through a fusion gene capture probe hybridization capture target fusion gene, the gene fusion mutation library is constructed, the library can be used for high-throughput sequencing and bioinformatics analysis can identify core genes and partner genes there of constitute breakpoints. Furthermore, the present invention also designs a quantitative analysis methodof the fusion gene, a mutation ratio of the fusion gene can be obtained by calculation, accurate expression value of the fusion gene can be further obtained, and the quantitative analysis method of the fusion gene is pioneering and solves a quantitative analysis problem of using a NGS method to detect the fusion gene.

The invention discloses a simulation method for a base structure in a soil body and the movement visualization of the soil body under an earthquake action, and belongs to the field of rock and soil test mechanics. Moving and laser speckles of transparent soil and a model pile (6) in a transparent soil model box (7) positioned on a vibration table (3) under the irradiation of a fan-shaped laser generator (1) are shot by utilizing a high-speed digital camera (4), and the strain of movement of transparent soil particles is obtained through a computer processing system, so that the movement and the deformation of a pile foundation model are obtained.

The invention discloses an automobile braking energy recovery hybrid system experiment bench, which comprises a control cabinet, an energy supply system, a commutator, a data acquisition system, a hydraulic braking energy recovery system and a hub motor braking energy recovery system, wherein the energy supply system is respectively connected with the hydraulic braking energy recovery system and the hub motor braking energy recovery system; and the energy supply system comprises a motor and a flywheel, the motor is connected with a spindle, one end of the spindle is connected with a first electromagnetic clutch and the other end is connected with a flywheel shaft sleeved with the flywheel, and the spindle is sleeved with a braking disc. When the energy supply system and the hydraulic braking energy recovery system are connected and braked through a second electromagnetic clutch, the flywheel drives a pump/motor to rotate, and energy is punched and stored to a hydraulic accumulator; and when the energy supply system and the hub motor braking energy recovery system are connected and braked through a third electromagnetic clutch, the flywheel drives a hub motor to rotate to generate power, and the generated power is stored to a super capacitor.

The invention discloses a porous catalyst used for photo-electrolysis water oxygen evolution reaction, which belongs to the technical field of oxygen evolution photo-electrolysis porous catalysts, and also provides a preparation method of the porous catalyst. The porous catalyst used for photo-electrolysis water oxygen evolution reaction has amorphous or crystallization characteristic, has the chemical formula of K(CoxNi[1-x])PO4, wherein x is equal to 0-1, and the structure of the porous catalyst has a plurality of crystal water molecules. The porous catalyst is prepared by using a two-stage precipitation method. The porous catalyst and the preparation method have the following advantages that the oxygen evolution reaction electrode catalysts and the composite electrodes with excellent performance are prepared by cheap raw materials and simple steps, thus the expensive Ir and Ru series compounds are not required.

The invention provides a Stamp platform-based two-dimensional and three-dimensional map linkage method. A coordinate conversion interface of a Stamp platform is called to realize conversion between two-dimensional coordinates and geographic coordinates in a three-dimensional map. When a two-dimensional map is linked with the three-dimensional map, a linkage event is triggered through an interfaceof ArcGIS API for JavaScript; a FlytoLookat interface of the Stamp platform is called to enable a three-dimensional ball to fly to a range state of a two-dimensional view, thereby linking the two-dimensional map with the three-dimensional map. When the three-dimensional map is linked with the two-dimensional map, a three-dimensional ball object event is triggered through an OnObserverChanged interface of the Stamp platform to enable the two-dimensional map to be located and zoomed to a current range of a three-dimensional scene, thereby linking the three-dimensional map with the two-dimensional map. The three-dimensional map is subjected to secondary development based on the Stamp platform; and the two-dimensional map is developed based on the ArcGIS API for JavaScript. Through the ArcGISAPI for JavaScript, map resources provided by an ArcGIS Server can be embedded in a Web application, so that the two-dimensional and three-dimensional map linkage method provided by the invention is realized in a Web page.

The invention relates to a drilling process for deep hole machining for a hard material. A pre-drilling process is carried out at first, a pre-drilling bit is chosen to carry out pre-drilling on hole positions of a product, and during a pre-drilling process, tool setting is carried out at first, a pre-drilled hole with a depth of 0.5mm is machined for all the hole positions after the tool setting, foundations of the machined hole positions are moved by 0.5mm up and down after the operation is completed, the operation is repeated for many times, depths of 1-4mm, of the pre-drilled holes, are guaranteed, and pre-drilling operation is completed. The drilling process disclosed by the invention has the characteristics of avoiding breakage of the drilling bit, reducing a wear degree of the drilling bit and then lowering a production cost, omitting a wire wrapping process and then greatly increasing a machining speed of drilling, avoiding different hole diameters and then ensuring accuracy of the product, avoiding offset of the hole positions, and reducing consumption of the drilling bit and then prolonging the service life of the drilling bit, and the like.

The invention discloses socks for preventing and correcting hallux valgus. Each sock comprises a sock body part, a sock opening and a toe part, wherein the toe part is at least provided with a first toe part allowing the hallux to be put in, and when the sock is put on the foot, the first toe part is located on the inner side of the foot. The sock is characterized in that when the sock is put on the foot, at least one longitudinal rubber string or band extending from the top end of the first toe part to the foot arch is arranged at the positions, located on the inner side of the foot, of the first toe part and the sock body part, and the at least one longitudinal rubber string or band is in T-shaped connection with a horizontal rubber band extending from the center of the joint connecting the hallux with the metatarsus to the foot arch. According to the socks for preventing and correcting the hallux valgus, the worries of wearing high-heeled shoes and pointed shoes can be eliminated, the hallux valgus can be effectively prevented, slight hallux valgus can be corrected, severe hallux valgus can be prevented from getting worse and kept stable, and the degree of the hallux valgus can be reduced gradually after long-term use.

The invention discloses a satellite-borne SAR target location precision index ground assessment method, and the method comprises the following steps: 1, sorting error factors which affect the target location precision; 2, carrying out the analysis of the impact on modeling from error factors; 3, carrying out the distribution and budgeting of location precision indexes; 4, carrying out the Monte Carlo simulation test of the location precision based on orbit simulation data; 5, carrying out the statistics of a simulation result, and estimating the location precision indexes. The invention firstly proposes the brand-new satellite-borne SAR target location precision ground assessment method and flow, and is innovative. In particular, the invention proposes a Monte Carlo simulation method for verifying the target location precision, and the Monte Carlo simulation method improves the accuracy of location precision estimation. The method provided by the invention is clear in flow, is easy to implement, and achieve a guide effect for a general designer for a satellite-borne SAR system.

The invention provides a method for creating a haploid inducer in rice by utilizing the CRISPR/Cas9 technology for the first time and an example applied to different rice lines.