51results about How to "Contribute to integration" patented technology

The invention provides a knowledge point predicting method and device, a storage medium and an electronic device. The method determines knowledge points contained by a to-be-predicted test question qtthrough a pre-established knowledge predicting model, and includes the steps of extracting deep semantic information QDqt of the to-be-predicted test question qt and deep semantic information JDkj ofteaching and research experience of each knowledge point kj in a knowledge point set, wherein the teaching and research experience of each knowledge point is the description of the knowledge point inthe test question, j is larger than or equal to 1 and smaller than or equal to m, and m is the number of the knowledge points contained by the knowledge point set; obtaining the similarity Wqtkj between the QDqt and the JDkj through an attention mehcanims, and obtaining the importance degree Cqt of the teaching and research experience for the to-be-predicted test question qt based on the QDqt andthe JDkj; predicting the knowledge points contained by the to-be-predicted test question qt through the QDqt and the Cqt. By means of the scheme, the knowledge point predicting accuracy can be easilyimproved.

The invention relates to the field of medical imaging and discloses an imaging method and device. The imaging device comprises an acquiring unit for acquiring images, a determining unit, a height adjusting unit and an imaging unit for executing imaging scanning, wherein the determining unit is used for determining the linear relation between the bed board height in the images and the moving distance of a bed board in the length direction of the bed board; the height adjusting unit is used for adjusting the bed board according to the linear relation, so that the surface of the adjusted bed board meets the linear relation. The imaging method and device can compensate the difference between the bed board sinkage in different imaging modes and facilitate image fusion.

A plastic rubber precision shaping multiprocessor control system, which comprises a host computer at the center of the multiprocessor system, an annular industrial Ethernet chain circuit with industrial abundant character, and a plastic rubber shaping device provided with an independent PLC controller, mounted on the node of annular industrial Ethernet and connected with the Ethernet chain circuit, to form a multiprocessor control system with the central control host computer. The invention is characterized in that each plastic rubber shaping device is connected with the annular industrial Ethernet via an intelligent Ethernet exchange module, the data and control signal exchange of the whole annular industrial Ethernet is realized by an Ethernet exchanger at the center of the annular industrial Ethernet, and the whole shaping process is detected by the configuration detection software of the central host computer.

The invention discloses a method and system for the dynamic regulation and control of the nodulizing inoculation processing of a nodular cast iron, and the method and system are used for carrying out technological optimization control and regulation of the dynamic nodulizing inoculation processing in a casting production process of the nodular cast iron based on the actual metallurgy state of base iron. The method comprises the steps: selecting an effective characteristic parameter for representing the metallurgy state of base iron, and building an integrated evaluation model for the determining of a qualified metallurgy state in an actual production process and the precise calculation of an additive amount of a nodulizing agent. There is a corresponding nodulizing and inoculation effect measurement and evaluation and regulation and control method at the nodulizing and inoculation processing and final pouring links, thereby achieving the closed loop control of a production process. The system mainly comprises (1), a subsystem for regulating and controlling the metallurgy state of base iron; (2), a nodulizing processing and effect regulation and control subsystem; (3), an inoculation processing and effect regulation and control subsystem; (4), a molten iron nodulizing inoculation final fine-tuning subsystem. The method and system also can be used for the online dynamic adjustment and control of the vermicularizing treatment of the nodular cast iron.

The invention discloses an exosome separation method and an exosome separation device, which are improved on the basis of the existing ultracentrifugal separation method, an isopyknic buffer solution1xPBS buffer solution is added into a product after each time of centrifugation, finally, a supernatant is removed, precipitates are reserved, and the exosome separation method and the exosome separation device are improved on the basis of the existing exosome separation device. An automatic cover opening assembly is additionally arranged, the centrifugal cover opening time each time is saved, inaddition, through design of an exhaust device, under the effect of an elastic piece, the top end of a pressure maintaining pipe is tightly attached to a pressure relief cover, air pressure in a shellis kept within a constant range, and a sealing mechanism is arranged between a first protruding edge and a second protruding edge. The sealing performance of the device is greatly improved. In addition, optimization is performed on a rotating disc mechanism, and due to the fact that the number of mounting grooves in each sample containing groove is not less than three and the mounting grooves aredistributed in the radius of a disc body in an equal spacing manner, the device can at least meet the grouping contrast experiment of three groups of different samples.

The invention relates to the field based on an Android system, and particularly relates to a preset application and one-key calling-out processing method based on the android system. Aiming at problems in the prior art, the preset application and one-key calling-out processing method based on the android system is provided. The method is based on an Android platform, and certain specific applications and xml configuration files are preset in corresponding models of a manufacturer, wherein important attributes of preset application programs and other xml files paths are stored in the xml files. Then an entrance for installing the preset application is additionally arranged in a factory menu. When a user selects to install the application via the entrance, file copying of the preset application is completed by the system according to the preset xml files and installation of the preset application is completed. Finally, a button for the preset application is additionally arranged on a remote controller of an intelligent terminal. The button is only corresponding to one type of specific application. When the user presses the button, the corresponding application is started.

The invention provides a honey and grapefruit tea and preparing method thereof. The honey and grapefruit tea is prepared from, by weight, 45%-55% of honey, 35%-45% of grapefruits formed by grapefruit peels and pulp and 5%-15% of auxiliary materials formed by fructose or/and malt sugar. The preparing method of the honey and grapefruit tea includes the following steps of (1) honey concentrating; (2) grapefruit cleaning; (3) grapefruit slicing, peeling and pulp removing; (4) honey and grapefruit mixing; (5) refrigerating and the like.

A polyester dyeing repair agent is characterized by being prepared from raw materials in parts by mass as follows: 40-50 parts of DEDB (diethylene glycol dibenzoate), 30-40 parts of polyethylene glycol 600 dioleate from rapeseeds, 4-10 parts of 600 # sulfonate and 10-20 parts of methanol through mixing.

According to the online and offline associated urban passenger flow volume prediction method provided by the invention, on one hand, the time dependence of historical passenger flow volume data is fully captured, and external factor characteristics such as weather, holidays and festivals, major activity events and the like are combined; and on the other hand, the relevance of online and offline behaviors is constructed according to the online access content conditions of the user in different states in each region. After the characteristics of the two parts are fused through a trained single-hidden-layer full-connection network, the passenger flow volume overflow and overflow conditions of all regions can be more accurately predicted, and the influence of emergencies on passenger flow volume changes is fully considered.

The invention discloses a preparation method of an environment-friendly silica gel synthetic leather. The method comprises the steps that first pulp is prepared, the fist pulp is applied on release paper and dried to form a surface gel layer, the surface gel layer is repeatedly subjected to alternate treatment of hot dipping and hot pressing three times, and a layer of nano-silica filler is uniformly applied on the surface of the surface gel layer before each-time hot pressing; second pulp is prepared, the second pulp is applied on release paper and dried to form a bottom gel layer, and the bottom gel layer is subjected to steam treatment; base cloth is selected, the treated bottom gel layer and surface gel layer are separately transferred onto the base cloth through hot-pressing fitting and paper-leather separation in sequence, and the environment-friendly silica gel synthetic leather is prepared. The preparation method of the environment-friendly silica gel synthetic leather has the advantages that through the gradient hot dipping and hot pressing treatment and the process of covering the surface gel layer with the nano-silica filler, the prepared silica gel synthetic leather has stronger flex resistance and wear resistance; through the steam treatment, the main bottom gel layer of the silica gel synthetic leather has good softness, and the silica gel synthetic leather is environmentally friendly and free of pollution, and has a very wide application prospect.

The invention discloses an extraction method of cell exosome. The method is obtained by improving the prior art, a culture medium after cell culture is centrifuged to remove impurities, a culture supernatant is separated out and collected, vacuum cold ice drying is conducted on the clarified culture solution, and 70mL of buffer solution is added into the dry powder to facilitate cell fusion, and aculture medium with relatively high purit is obtained; and centrifugation is carried out in a centrifugal machine after heating, and isopyknic precooled Thris-saturated acid, a precooled 0.1 mol/L ammonium acetate methanol solution with the volume of 5 times and an exosome extracting solution with the volume of 5 times, and a 100% ethanol solution with the volume of 5 times and an exosome extracting solution with the volume of 5 times are respectively added, and refusion of a cell centrifugation product is facilitated. During operation, centrifugation conditions are strictly controlled, expensive extraction methods such as ultrafiltration centrifugation and the like are not needed, exosome precipitate extracted through centrifugation is higher in purity, and the extraction time is saved.

The invention relates to a license plate positioning method based on edge detection and mathematical morphology, which belongs to the technical field of image processing and comprises the following steps of: S1, graying a vehicle image by adopting a weighted average method; S2, carrying out binarization on the vehicle image; and S3, carrying out edge detection on the binarized vehicle image by adopting a Sobel edge detection operator, wherein the Sobel edge detection operator is used for obtaining a coarsely positioned license plate area, and introducing a local area into the Sobel edge detection operator to carry out mean value operation, and S4, carrying out accurate positioning on the coarsely positioned license plate area by adopting related operation of mathematical morphology; s5, labeling the accurately positioned connected region, and displaying a license plate region. According to the method, the limitation on the size of the license plate and the position of the license platein the image is little, so that the method does not depend on an accurate license plate frame shape, so that higher positioning effectiveness is ensured.

The invention discloses a dual-frequency thermal plasma jet generating device, which comprises a device body, a radio frequency coil, a high temperature-resistant insulating baffle, a radio frequencypower source, a jet source cathode, a jet source anode and an arc power source, wherein a plasma reaction zone is formed in the device body; the radio frequency power source is electrically connectedto the radio frequency coil; the radio frequency coil is used for ionizing a discharge gas; the high temperature-resistant insulating baffle is arranged between the radio frequency coil and the plasmareaction zone; the arc power source is electrically connected to the jet source cathode and the jet source anode respectively; the jet source cathode and the jet source anode are disposed in the plasma reaction zone; an arc discharge zone is formed between the jet source cathode and the jet source anode; and when pre-ionized plasma passes through the arc discharge zone, thermal arc plasma is generated. The device adopts a dual-frequency excitation mode, realizes multi-field coupling control through combined adjustment of the radio frequency power source and the arc power source, and contributes to the separation and control of the plasma parameters, which can meet more demands of users.

The invention provides a medical hemostatic fibrous material with adsorption performance, and a preparation method thereof. The medical hemostatic fibrous material with adsorption performance is prepared taking silk fibroin, poly amino acid, polylactic acid-glycolic acid copolymer, mannuronic acid polymer, lunasine, and starch enzymatic hydrolysate as main raw materials, possesses excellent biocompatibility, can be degraded and adsorbed in vivo, is capable of stopping bleeding rapidly, is excellent in hemostatic effect, is capable of eliminating inflammation and inhibiting bacteria, and is capable of preventing inflammatory reaction.

The invention relates to an instant high-glue alloy asphalt modified material as well as a preparation method and application thereof. The preparation method comprises the following steps of: uniformly stirring and mixing heavy asphalt aromatic hydrocarbon oil 207, 70 # asphalt and a needle penetration regulator in proportion to form a mixed oil material; adding truck tire rubber powder, uniformlystirring to obtain mixed rubber powder, performing mechanochemical extrusion activation modification through screw extrusion equipment, feeding the mixed rubber powder into a double-cone feeding device, uniformly feeding the mixed rubber powder and a grafting activation modifier into a mixing and granulating extrusion system in proportion under variable-frequency pushing, and performing water cooling, isolation, spin-drying, screening, air conveying, collection and packaging to obtain a finished product of the granular asphalt modified material. The instant high-glue alloy asphalt modified material, the preparation method and the application solve the problems of high processing energy consumption, unsafety, poor heat storage stability, large smoke pollution and insufficient aging performance of the traditional waste tire rubber asphalt modified material, and have the advantages of good asphalt integration, less grinding times, high mixing efficiency, strong waterproof performance andno pungent smell.

The invention discloses a ginger juice red date blood-nourishing walnut kernel which comprises the following raw materials in parts by weight: 40-50 parts of walnut kernel, 8-10 parts of red bean, 7-8 parts of ginger juice, 25-26 parts of red date, 10-15 parts of watermelon juice, 2-3 parts of soy sauce, 1.2-2 parts of American ginseng, 1.7-2 parts of shaddock peel and 1.5-2 parts of thorny elaeagnus fruit and also comprises emulgator, sesbania gum and zein. The walnut kernel disclosed by the invention is coated with a film by adopting the zein to be isolated from outside water and oxygen, so that the oxidative rancidity process of the walnut kernel is inhibited and the shelf life of the walnut kernel is prolonged; and the traditional Chinese medicine constituents such as the American ginseng, the shaddock peel and the thorny elaeagnus fruit are added, so that the health care efficacies of boosting qi and nourishing yin, clearing liver and improving vision, replenishing blood and beautifying face are added.

The invention provides coarse cereal pineapple bread which is prepared by combining small coarse cereals with a preparation technology for pineapple bread. According to the invention, the addition of the coarse cereals is beneficial to digestion of the pineapple bread, and the making mode of the pineapple bread improves the taste of the coarse cereals; the addition of the coarse cereals in various colors enriches the color of the pineapple bread, so the attraction of the pineapple bread to consumers is increased; and the coarse cereal pineapple bread is sweet, delicious, nutritional and healthy.