70results about How to "Avoid complicated process" patented technology

The invention discloses a petroleum pipeline supporting base capable of being automatically adjusted, and belongs to the technical field of petroleum pipeline supporting. The petroleum pipeline supporting base capable of being automatically adjusted comprises a base, wherein two side plates are fixedly arranged on the top face of the base in a symmetrical structure; two rotating shafts A are symmetrically arranged between the two side plates in a penetrating mode; arc-shaped plates are connected to the middles of the rotating shafts A in a sleeving mode; two racks are arranged on the outer sides of the side plates in a symmetrical structure; a supporting plate is fixedly arranged between the top faces of the two racks; a plurality of tooth grooves A are annularly formed in the positions, relative to the racks, of the outer walls of the rotating shafts A at equal intervals; the interior of the base is hollow to form a cavity; two rotating shafts B are symmetrically arranged in the middle of the cavity in a penetrating mode; a plurality of tooth grooves B are annularly formed in the positions, relative to the racks, of the outer walls of the rotating shafts B at equal intervals; andtwo fixing assemblies are symmetrically arranged on the front sides and the rear sides of the rotating shafts B. According to the petroleum pipeline supporting base, the convenience degree of petroleum pipeline laying is improved, the fixing firmness of a petroleum pipeline is also enhanced, double purposes are achieved at one stroke, and convenience and rapidness are achieved.

The invention relates to and belongs to the field of a gamma-TiAl-based alloy intermetallic compound and particularly relates to a preparation method for a gamma-TiAl alloy fine fully lamellar microstructure with a preferred oriented lamellar interface. According to the method, the fine fully lamellar microstructure with the preferred oriented lamellar interface is obtained on the basis of microstructure texture evolution of a gamma-TiAl alloy in the thermal deformation and the subsequent thermal treatment process. The preparation method has the technical characteristics as follows: a, a thermal deformation process is adopted to process the gamma-TiAl alloy; b, an alpha2 phase in a gamma-TiAl alloy deformed microstructure has strong deformation texture;c, the deformed microstructure is subjected to alpha single-phase region solution treatment and solution time is controlled to avoid abnormal growth of alpha crystal grains so as to obtain the fine fully lamellar microstructure. The method disclosed by the invention can effectively solve the problem of poor room temperature plasticity of the gamma-TiAl alloy fully lamellar microstructure and obtains the gamma-TiAl alloy fine fully lamellar microstructure with the preferred oriented lamellar interface and excellent comprehensive mechanical property in the bearing direction.

The invention relates to the technical field of biomedical engineering methods, in particular to a method for manufacturing a flexible-substrate metal microneedle array. The method includes a, preparing solidifiable iron magnetic fluid; b, manufacturing a flexible substrate; c, arranging liquid drops of the solidifiable iron magnetic fluid on the flexible substrate in an array manner to form a combination of a solidifiable iron magnetic fluid liquid drop array and the flexible substrate; d, disposing the combination obtained in the step c in a magnetic field to enable each liquid drop to become needle-shaped, and solidifying each liquid drop to form a stable and solidified microneedle array structure; e, forming a layer of metal uniform in texture on the surface of the microneedle array structure obtained in the step d through vacuum sputtering to form a metal microneedle array. The microneedle array structure is formed by through mutual action between the magnetic field and the iron magnetic fluid liquid drops containing magnetic nanoscale iron magnetic particles.

The invention provides a multi-dialect accent mandarin voice recognition model training method and device, and equipment, and relates to the technical field of language recognition. The method comprises the steps of obtaining a training sample; training by using standard mandarin voice data with labels to obtain an initial acoustic model, and training by using text data to obtain an initial language model; iteratively training an initial acoustic model based on the unlabeled dialect mandarin voice data to obtain a target acoustic model; training to obtain a temporary language model by using ato-be-trained text recognized by the target acoustic model and the initial language model, and combining the temporary language model with the initial language model to obtain a target language model;and combining the target acoustic model and the target language model into a multi-dialect accent mandarin speech recognition model. A large amount of dialect accent mandarin voice data which are notlabeled are used for iterative training, a multi-dialect accent mandarin voice recognition model is obtained, and the dialect accent mandarin voice recognition accuracy is improved.

The invention discloses a method for reclaiming polystyrene foam plastics with the product of methyl esterification of vegetable grease used as volume reducing agent. The method comprises the following steps: the product of methyl esterification of vegetable grease is provided, the polysterene foam plastics is crushed, the polysterene foam plastics is dissolved, the polystyrene precipitation is separated, and the filtrate is processed; all the volume reducing agent and precipitator (0<#> diesel oil) are used to prepare compound biological diesel oil. The technical process is simple, the service efficiency of the volume reducing agent is above 98 percent; the energy consumption during the technical process is little, the reaction condition is mild, the recovery rate of polystyrene is above 97 percent; the raw materials are rich, and secondary pollution is avoided with innocuity.

The invention refers to a kind of oligopolynucleotide micro-array chip and the manufacturing method. The oligopolynucleotide probe is fixed on the base piece through a universal oligopolynucleotide segment and forms micro-array chip. The universal oligopolynucleotide chain may be embellished by special group (such as amido), then compounds with unnembellished oligopolynucleotide probe in centrifugal tube and forms double-chain. Finally it is fixed on specially worked glass piece or other material (such as aldehyde group) through sample applicator and forms the micro-array chip. Likewise, the universal oligopolynucleotide can be synthesized onto glass piece or other material through in situ synthesis technology, then uses the sample applicator to spot the unembellished oligopolynucleotide probe onto the glass piece or other material.

The invention relates to a diatomite-based plant antibacterial composite material and a preparation method thereof. The preparation method comprises the following steps: modifying diatomite: mixing diatomite and an aluminum salt solution, stirring, adding a sodium hydroxide solution, filtering, drying and grinding to obtain modified diatomite; extracting a natural antibacterial plant: pulverizingand sieving the natural antibacterial plant to obtain dry powder; performing ultrasonic extraction on the dry powder by an ethanol aqueous solution, filtering and concentrating to obtain an antibacterial plant extract; loading: mixing the modified diatomite, the antibacterial plant extract and water, stirring, filtering and drying to obtain a diatomite-based plant antibacterial composite material.The diatomite-based plant antibacterial composite material utilizes a natural plant antibacterial agent, and the method is simple, environmentally friendly, non-toxic and low in production cost.

Way to change the genetic of corn with farming bacilli. The character is using the farming bacilli with other genetic to infect the female young fringe and flower of corn take transform of the corn. The transform of the corn is damnificated the flower and female young fringe of the corn first, then put the farming bacilli with objective genetic lay on or dripping on it, repeat it 3 to 4 times, through the filter of fastness and examine of molecule to the seminal, obtain the plant with changed gene. This invention avoid the tissue culture and reformat process of the plant, is simple and short cut, the inverted offspring can individual plant directly.

The invention discloses a new method for quick preparation of high-purity cadmium telluride powder. The method comprises the steps of: firstly, mixing cadmium powder and tellurium powder at a mole ratio of 1: 1 and then uniformly grinding and mixing; cold-pressing the uniformly mixed powder into a block-shaped blank body; triggering a self-propagating high temperature synthesis reaction on the obtained block-shaped blank body; at the end of the reaction, naturally cooling and grinding to be the single-phase high-purity cadmium telluride powder. The new method provided by the invention is quick in reaction speed, simple in process, low in cost, low in equipment dependency, efficiency and energy-efficient; the whole preparation process can be finished within 10 min, synthesis efficiency of the cadmium telluride powder can be greatly improved and batch production is easily realized.

The invention discloses a display device, an optical assembly, and a production method of an optical assembly. The optical assembly comprises a transparent substrate, a plurality of transparent cuboid structures, and filling medium. The transparent cuboid structures are disposed on the transparent substrate. The top surface of each of the transparent cuboid structures is parallel to the surface of each of the transparent substrates, and the side surfaces are parallel to each other. At least parts of the transparent cuboid structures are arranged along the direction vertical to the direction of the side surfaces, and the two adjacent transparent cuboid structure are provided with a gap, which is filled with the filling medium. The refractive index of the filling medium is smaller than the refractive index of each of the first transparent cuboid structures.

The invention relates to a novel high-temperature solar vacuum heat-gathering pipe sealed by ceramic copper cladding, which belongs to the field of solar utilization. The invention discloses the novel high-temperature solar vacuum heat-gathering pipe sealed by ceramic copper cladding, which comprises a high borosilicate glass tube, a metal tube, corrugated tubes and a sealing connection part, wherein the high borosilicate glass tube is coated with an anti-reflection film; the metal tube is coated with a heat adsorbing coating and is coaxially installed in the centre of the high borosilicate glass tube; the corrugated tubes are arranged at the two ends for compensating heat expansion; the sealing connection part is arranged between the corrugated tubes and includes a ceramic copper cladding element; vacuum is reserved between the glass tube and the metal tube; and the glass and the metal are hermetically connected through the ceramics covered by the copper cladding. With the adoption of the new technology of the ceramic copper cladding, a copper metal attached on the ceramics can also be reliably connected with the ceramics under the condition of high temperature; the ceramics and the high borosilicate glass have approximate expansion coefficients, and the expansion coefficient of the copper is approach to the expansion coefficient of steel wires so that the connection of the sealing part has high reliability, the kovar connection with high cost and complicated process is avoided, and the prior art is replaced by the simple and reliable process; and meanwhile, the linear expansion difference of the metal and the glass is compensated by the corrugated tube.

The invention belongs to the technical field of ultrasonic imaging, and particularly relates to a miniature array ultrasonic transducer and a preparation method thereof, and an ultrasonic probe including the miniature array ultrasonic transducer. The miniature array ultrasonic transducer provided by the invention comprises a flexible circuit board, a piezoelectric wafer and a sound matching layerwhich are sequentially arranged in a stacked manner, wherein first piezoelectric electrodes and piezoelectric columns of the piezoelectric wafer form a plurality of linetype array elements, and any part of each array element can participate in work, so that the performance of each array element in the length direction can be developed to the maximum extent, and further the performance of the miniature array ultrasonic transducer is increased; and a second piezoelectric electrode of the piezoelectric wafer extends from a piezoelectric material layer to the same side as the first piezoelectric electrodes, and a connecting line does not need to be separately introduced, so that the dimension of the miniature array ultrasonic transducer in the thickness direction can be reduced, and miniaturization of the ultrasonic transducer is realized. The preparation method provided by the invention solves the problem that a technology is complicated caused by that the connecting line needs to be fineprocessed in the preparation process of a conventional ultrasonic transducer and the connecting line needs to be subjected to precise butting with the second piezoelectric electrode.

The invention relates the manufacturing method and device of composite section bar coated with clad material, comprising the following steps: granulating the clad material, sending it into extrusion machine; the surface of section bar coated with clad material to form the composite material coated with clad material; after treating the composite material. The character is that the section bar and clad material are putted into die at the same time and integrated to one-shot form the composite section bar. The method and device have the advantages of saving force and improving the efficiency.

The invention discloses a method for intensifying reduction of sulfonamide antibiotics in soil by earthworm intestinal contents. The method comprises the following steps: selecting mature fresh earthworms with obvious clitella, cleaning the body surfaces of the earthworms, performing gut purge in a culture dish, adding the earthworms into artificially prepared sulfanilamide contaminated soil in proportion, culturing for 2 weeks in a dark place at room temperature, taking out the earthworms, cleaning the body surfaces of the earthworms again and dissecting the earthworms to obtain fresh earthworm intestinal contents; collecting different types of soil polluted by sulfonamide antibiotics in the natural environment, removing grass roots, leaves, stones and other impurities in the soil, and crushing and screening the soil; then adding the earthworm intestinal contents into the soil polluted by different sulfonamide antibiotics in proportion, and carrying out artificial culture for 1-2 months to complete remediation. The earthworm intestinal contents contain high-abundance sulfonamide antibiotic degrading flora, and the exogenously added intestinal contents not only have a remarkable effect of degrading and removing sulfonamide antibiotics in soil, but also are beneficial to rapid recovery of the ecological functional diversity of indigenous microorganisms after restoration.

The invention relates to a truncated modified agarase, and the truncated agarase is obtained by deleting a homologous fragment of a Por secretion system C-terminal sorting domain at the C-terminal ofwild agarase. The truncated agarase can catalyze an agar substrate to generate neoagaro-oligosaccharide 4, neoagaro-oligosaccharide 6, neoagaro-oligosaccharide 8, neoagaro-oligosaccharide 10 and neoagaro-oligosaccharide 12; however, the wild agarase only generates the neoagaro-oligosaccharide 4 and the neoagaro-oligosaccharide 6. According to the invention, the neoagaro-oligosaccharides, which aregenerated by using the modified agarase and have multiple degrees of polymerization, are final products of a reaction, and the moisture retention and resistance to oxidation of the neoagaro-oligosaccharides are obviously improved compared with existing products.

The invention discloses a method for growing graphene in a silicon micro-channel plate. The method comprises the following steps: (1) pretreatment: soaking the silicon micro-channel plate into corrosive liquid; (2) electroless nickel plating: putting the pretreated silicon micro-channel plate into an electroless nickel plating solution to perform chemical plating of porous nickel; (3) hydrothermal polyol carburization: soaking the nickel-plated silicon micro-channel plate into a surfactant once again, and putting the soaked nickel-plated silicon micro-channel plate into a hydrothermal reaction kettle filled with polyol and a sodium salt catalyst; and (4) annealing: annealing the silicon micro-channel plate containing nickel carbide in a tubular furnace. Compared with the prior art, the method has the advantages that the problem of failure in plugging graphene into a silicon micro-channel with an electrophoretic technique is solved; and meanwhile, the defects of complex graphene growing process and high cost in a chemical vapor deposition method are overcome. A plurality of layers of graphene can be grown on the surface and in holes of the nickel-plated silicon micro-channel plate with a high depth-width ratio. The method has the characteristics of environmental friendliness, easiness, feasibility, low cost and the like.

The invention discloses organic compound fertilizer and belongs to the field of fertilizer. The organic compound fertilizer comprises, by mass, 17-24 parts of livestock and poultry feces, 30-39 parts of straw, 36-43 parts of edible fungus residues, 3-8 parts of potassium humate and 1-3 parts of an organic material decomposition agent, the raw materials are subjected to composting fermentation, and a product obtained after composting fermentation is evenly mixed with 0.1-0.7 part of a urease inhibitor and 13.7-18.9 parts of a nitrification inhibitor to form the organic compound fertilizer. Compared with traditional composting, the organic compound fertilizer has the advantages of being shorter in production time, still capable of adapting to application in farmland through fermentation, meanwhile, reducing harmful gas generated by fermentation in the composting process and avoiding pollution to environment in the composting process; meanwhile, planting and producing waste is fully utilized to form a good ecosphere, a good application effect is achieved, and the organic compound fertilizer, like chemical fertilizer, reduces nitrogen pollution of soil when used for solving the problem of nitrogen pollution to the soil.

The inserted block type ball screw pair includes lead screw, nut, reverser and balls. The lead screw is fitted to the nut; one group of balls is set inside the spiral channel comprising with the the spiral slots in the nut and the lead screw; the nut moves through the balls and the reverser n the lead screw; and the reverser is fitted inside the installing slot in the outer surface of the nut and has inside passage for the balls to circulate and with opened ends to fit the spiral channel for influent returning of the balls. The present invention has great pitch, high speed, great bearing capacity and low noise and other advantages.

The invention provides a refining method of N,N'-bis(2, 2, 6, 6-tetramethyl-4-piperidyl)-1, 6-hexamethylenediamine. The method comprises the following steps: taking 2, 2, 6, 6-tetramethyl-4-piperidone and 1,6-hexamethylenediamine as raw materials to react to prepare an N,N'-bis(2, 2, 6, 6-tetramethyl-4-piperidyl)-1, 6-hexamethylenediamine reaction solution; rectifying the reaction solution, and evaporating out light components and a crude product; and recrystallizing the crude product in a second solvent to obtain a target product. According to the invention, the purification process is effectively simplified, the problem of complex process caused by repeated concentration and crystallization of the crystallization mother liquor is avoided, and the product has more stable performance, can be stored for a long time and is not easy to discolor.

The invention provides a mud removing feeding machine, and belongs to the technical field of mining machines. The mud removing feeding machine comprises a vibration box, and an excitation device for driving the vibration box to vibrate. The upper end face of the vibration box is a feeding conveying face, and the feeding conveying face comprises multiple conveying faces, and the multiple conveyingfaces are in continuous butt joint along the mineral aggregate advancing path and are arranged sequentially from high to low in a ladder shape. Each conveying face is composed of multiple screen bars,and has screening clearances, and the length direction of the screen bars is consistent with the advancing direction of mineral aggregate. The widths of the screen bars are gradually reduced in the mineral aggregate advancing direction, and the screening clearances formed by the screen bars of the same conveying face are gradually enlarged in the mineral aggregate advancing direction. According to the mud removing feeding machine, the feeding conveying face is arranged in the ladder shape, the screen bars of special structures are adopted, blocking happening in the feeding process can be reduced, and a very good mud removing and screening effect is achieved.