181results about How to "Avoid Structural Defects" patented technology

The invention relates to the field of blockchain technology improvement, and provides a method for producing and managing a multi-mode labeled network based on a consortium blockchain voting consensusalgorithm. The method comprises following steps: step one, utilizing a blockchain technology to labeling and addressing contents in a network to generate a multimode labeled network; step two, subjecting the multimode labeled network to domain division to form a layered block system, and managing each block system through a PoV voting consensus algorithm; step three, converting the multimode labeled network into a multimode labeled network system according to a blockchain architecture; and step four, utilizing a consortium blockchain consensus algorithm to carry out whole network consensus management on the multimode labeled network system. A multilayer and segmented blockchain model architecture is adopted, and thus the processing performance of the system is largely improved. The blockchain network nodes in each layer can all rapidly access related route information of blockchains of other layers through steward nodes and committee nodes in corresponding domains.

Belonging to the technical field of preparation and application of electronic ceramics, the invention relates to a preparation method of a perovskite-like varistor ceramic material CaCu3Ti4O12 (CCTO) with a high dielectric constant. With nitrates of Cu and Ca as well as Ti (OC4H9)4 as starting materials, the method of the invention combines a hydrothermal method for preparing nanometer CCTO powder so as to prepare high performance CCTO varistor ceramics, thus realizing the purposes of lowering temperature, and improving varistor as well as dielectric properties.

The invention provides a lithium cobaltate composite oxide coated by a hydrolytic precipitation-roasting method. When being used as an anode material of a lithium ion battery, the lithium cobaltate composite oxide can enable the performance of the lithium ion battery, especially cycle performance and overcharge resistance to be excellent. The invention is characterized in that a manufacturing method comprises the following steps: adjusting the pH value of a water solution containing metallic ions to be coated by using a liquid phase hydrolytic precipitation method to obtain a coating precursor; roasting at high temperature; and using metal oxides (the metal is at least one of Ti or Zr) to coat the particle surface of lithium cobaltate which is represented by the general formula of Li1+xCoO2-a (x is greater than or equal to -0.1 and less than or equal to 0.1, and a is greater than or equal to -0.1 and less than or equal to 0.1).

The invention relates to a seating-type internal mixer which comprises a base, a mixing chamber, a transmission mechanism, rotors, a discharging mechanism, a feeding chamber, a material pressing mechanism and a feeding mechanism, wherein the mixing chamber is mounted above the base; the two rotors are mounted in the mixing chamber; the transmission mechanism is mounted on one side of the mixing chamber; the feeding chamber is mounted above the mixing chamber; the feeding chamber is communicated with the mixing chamber; a feeding door is arranged on one side of the feeding chamber; the feeding mechanism drives the feeding door to move upwards to open the hermetically sealed feeding chamber. According to the seating-type internal mixer, the structural design is reasonable and compact, the advantages of a falling type internal mixer and a turnover type internal mixer are integrated, the structural defects of the conventional internal mixer are overcome, the production speed is high, the requirement on the height of a factory space during installation is low, the space is economized, the mixing capacity is high, the mixing time is short, the production efficiency is high, the degree of automation is high, the product quality and the working environment are improved, the operation is safe and convenient, the labor intensity is reduced, and the labor cost is reduced.

The invention is a technology for using plasma to produce the magnetic carbon nano pipe. The argon is blown into the plasma generator, there forms the plasma efflux under the effect of the current; the methane is blended with the plasma in condition without oxygen, it is ionized and decomposed into nano grade active carbon particles, and enters the reactor whose magnetism intensity if 70-200G, and uses the nickel sieve carrying load iron powder or ferric oxide powder to generate the magnetic carbon nano pipe. The structure is simple, the device is cheap, and it can avoid the structure deficiencies.

The invention relates to the field of dry quenching furnaces, in particular to a novel coke powder cooling device for a one-time deduster of a dry quenching furnace, which comprises cooling pipes, a water inlet distribution box, a water outlet header, a water inlet pipe and a water outlet pipe, wherein the upper ends of a plurality of groups of parallel cooling pipes are hung on the upper part of a machine shell, and the lower ends are free ends; the water inlet pipe is connected with the water inlet distribution box which is connected with the plurality of groups of cooling pipes; and the water outlet pipe is connected with the water outlet header. The novel coke powder cooling device has the advantages that: the cooling device overcomes the structural defect of a cooling sleeve, increases a cooling area by connecting a plurality of cooling pipes with water-cooling walls in parallel, improves the cooling efficiency, has large treatment capacity in a unit time, reduces maintenance workload, can be used reliably for a long time, and is particularly suitable for a large-scale dry quenching device.

The invention aims to provide a three-layer medical infusion bag. The three-layer medical infusion bag comprises a flat infusion bag body of a three-layer structure. The three-layer structure comprises an inner bag layer made of polyethylene material, a middle bag layer made of polypropylene and styrene-ethylene/ butylene-styrene segmented copolymer material and an outer bag layer which is a blended layer of polypropylene, carboxylated styrene-ethylene/ butylene-styrene segmented copolymer and anionic polymerization nylon nanocomposite. The barrier performance of the anionic polymerization nylon nanocomposite of the outer bag layer is excellent. Air inlet is not needed in the infusion process and medicine liquid can automatically flow and is completely drained through the design of the thickness and the width of the infusion bag body, and therefore the whole infusion bag is good in safety, barrier property and infusion performance. The invention further provides a manufacturing method of the three-layer medical infusion bag. One-time injection molding and air blowing are conducted through a three-die-head injection molding die, the whole process is simple and advanced, one-time forming is achieved, the method is suitable for production of the infusion bag, and the manufactured infusion bag meets the infusion requirement.

The invention discloses a batch-type uniform-speed discharging stirring device. The batch-type uniform-speed discharging stirring device comprises a kettle structure formed by assembling of a shell and an upper cover, the upper cover is provided with a stirring mechanism in a connected mode, a discharging hole is formed in the lower end of the shell in a penetrating mode, the stirring mechanism iscomposed of spiral fan blades connected to the periphery of a rotating shaft and used for introducing additives, the upper end of the rotating shaft is connected with a motor in a transmission mode,and a discharging mechanism opened in a mechanical and batch-type mode is further arranged at the lower end, of the periphery of the discharging hole, of the shell in a connected mode. A constructionmethod of a self-leveling terrace comprises the following steps that a base layer is checked, pulling-drawing detecting is conducted, and the base layer is cleaned; grinding, leveling by pushing and dust suction treatment are conducted; repairing treatment is conducted on gaps and hollowing parts; coating and painting of an interfacial agent are conducted, and line snapping and area division are conducted; mixed slurry is machined by using the device, and pumping construction is conducted after testing; and still standing and solidification, coating and painting of a protective agent, divisiondismantling and filling of joint mixture are conducted. The batch-type uniform-speed discharging stirring device can be matched with division-type construction to realize equal-amount batch-type material injection, and thus the structure problem of large-area construction is solved.

The invention discloses an efficient and oxygen-permeable ITO target material placing and sintering method. The method comprises the following steps of 1, forming ITO powder to obtain an ITO target blank, and then drying the ITO target blank; 2, placing a gasket on a load bearing plate, then placing a layer of porcelain balls of which the diameters are 0.5-1 mm on the gasket, and then placing theITO target blank on the porcelain balls; 3, putting the load bearing plate provided with the ITO target blank in step 2 into a sintering surface to be sintered, and then grinding to obtain the ITO target material. According to the efficient and oxygen-permeable ITO target material placing and sintering method, the oxygen-permeable rate during sintering of the ITO target blank can be greatly increased, the density of the sintered ITO target material is increased, and the quality of the ITO target material is improved; meanwhile, after sintering, gasket marks cannot be generated on the bottom face of the ITO target material, the target material cannot be polluted, and the consumption of the target material due to grinding in the after-processing process is reduced.

The invention relates to a preparation method for a super-hydrophilic carbon nanotube nano-porous membrane. The method comprises the following steps: adding a carbon nanotube, tannic acid and chitosaninto water, regulating pH (Potential of Hydrogen), and carrying out ultrasonic dispersion to form dispersion liquid; after standing, carrying out vacuum filtering on the diluted dispersion liquid toa mixed cellulose membrane to obtain a carbon nanotube self-assembled membrane; after the carbon nanotube self-assembled membrane is subjected to vacuum drying, dipping into a metal ion solution, taking out the membrane after a period of time, and washing and drying to obtain the super-hydrophilic carbon nanotube nano-porous membrane. The preparation method has the advantages of simple process, easy operation and low cost, and the obtained carbon nanotube nano-porous membrane has a super-hydrophilicity characteristic.

The invention relates to a ceramic material. The invention relates to high-strength silicon carbide ceramic. The high-strength silicon carbide ceramic comprises the following components in parts by weight: 70-80 parts of silicon carbide powder, 10-20 parts of silicon carbide fibers, 20-25 parts of a binder, 5-10 parts of a pore-forming agent, 5-10 parts of a sintering aid, 5-10 parts of a dispersing agent and 2-3 parts of a toughening agent. The invention also provides a preparation method of the high-strength silicon carbide ceramic. The preparation method comprises the following steps: uniformly mixing raw materials to obtain raw material slurry, then carrying out vacuum treatment on the raw material slurry, injecting the ceramic slurry subjected to vacuum degassing into a mould, sealingthe mould, carrying out heating, carrying out heat preservation, then carrying out natural cooling, carrying out drying in a drying oven for 12-72 hours to obtain a ceramic biscuit, and carrying outsintering treatment on the ceramic biscuit, wherein the time of the sintering treatment is 1-5 hours, and the sintering temperature is 1500-1800 DEG C. The high-strength silicon carbide ceramic has the advantages that the pores in the silicon carbide ceramic are uniform and the silicon carbide ceramic has high strength.

The invention discloses a true random number generation method and device with a detection and correction function. A random number is taken as an important component of a cryptosystem and is widely applied to a security system. The random number comprises a session key, an initial vector and a digital signature. The device is composed of an entropy source module, a sampling module, an XOR logic gate, a cellular finite state machine, a test module, a CPU and a selection controller. The entropy source module is composed of two identical oscillator structures. Each oscillator is a chaotic oscillator structure based on an autonomous Boolean network. The entropy source module can generate wide spectrum and high bandwidth chaotic signals. After a random sequence is tested through the test module, whether the sequence passes the test or not is judged through the CPU. The sequence is directly output if the sequence passes the test. Data is returned and enters a postprocessing module through an XOR circuit if the sequence does not pass the test. Moreover, a selection controller selects different postprocessing modes to process the data. The processed data enters the test module for test again, until the data passes the test. A random code sequence generated by the invention can pass a random number industry standard test.

The application relates to an aluminum alloy fender bracket connecting structure which is characterized by comprising a fender supporting rod and a fender connecting bracket. One end of the fender supporting rod is provided with a base connected with a vehicle body. The fender connecting bracket is fixedly connected with the fender supporting rod through a flange; meanwhile, the flange sleeves thefender supporting rod and is connected with the fender supporting rod through adhesives, and the fender connecting bracket is detachably connected with the flange. According to the aluminum alloy fender bracket connecting structure, the fender connecting bracket is connected with the fender supporting rod through the flange, the flange is connected with the fender supporting rod through the adhesives, and the flange is detachably connected with the fender connecting bracket. Structural defects caused by the adoption of a welding connection mode are overcome, the problem that a welding area where the fender supporting rod and the fender connecting bracket are welded to the joint is broken is solved, the structural strength of the aluminum alloy fender support connecting structure is improved, and the service life of the aluminum alloy fender support connecting structure is prolonged.

The invention provides etching solution, an active component array substrate and a method for manufacturing the active component array substrate. The active component array substrate is provided with at least one multi-layer patterned metallic layer, wherein the multi-layer patterned metallic layer is an aluminum/copper layer, an aluminum alloy/copper layer, an aluminum alloy/copper/aluminum alloy layer, a copper alloy/copper layer or a copper alloy/copper/copper alloy layer, and is etched by the etching solution; and the etching solution comprises water, 0.1 to 0.4 weight percent of nitric acid, 50 to 78 weight percent of phosphoric acid and 0.1 to 15 weight percent of acetic acid. The active component array substrate of the invention is endowed with relatively better electrical property.

The invention relates to a towbarless aircraft towing tractor holding wheel climbing mechanism capable of adaptively moving with airplane wheels. The towbarless aircraft towing tractor holding wheel climbing mechanism comprises a holding wheel mechanism, a lifting mechanism and a connecting mechanism, wherein the holding wheel mechanism and the connecting mechanism are respectively arranged on two sides of the lifting mechanism; the holding wheel mechanism is capable of holding the airplane wheels; the connecting mechanism is capable of connecting the holding wheel mechanism and the lifting mechanism to a bottom main frame of the aircraft towing tractor and realizing follow-up; the lifting mechanism is capable of climbing and descending the holding wheel mechanism; the holding wheel mechanism has translational degree of freedom in the Z axis direction. According to the towbarless aircraft towing tractor holding wheel climbing mechanism disclosed by the invention, the structure defects of the existing towing tractor and the potential safety hazard problems in the operating process are solved, the adaptive movement of the towing tractor and the airplane wheels is realized, stable and safe operations can be realized, and the towbarless aircraft towing tractor holding wheel climbing mechanism is widely applicable to the airplane wheels of different models and sizes and different operating environment conditions and is capable of conveniently and rapidly realizing the security operation of the tractor.

The invention discloses a conjugate cam jacquard shedding device, and belongs to the technical field of jacquard loom shedding. The conjugate cam jacquard shedding device comprises two swinging mechanisms, a cam rotating shaft, an inner conjugate cam set and an outer conjugate cam set. The swinging mechanisms comprise an upper swinging shaft, a lower swinging shaft, a linkage upper swinging shaft, a linkage lower swinging shaft, an upper swinging shaft tube and a lower swinging shaft tube, wherein the upper swinging shaft and the lower swinging shaft are supported by bearings on a box-type side wall board and bearings on a box cover, the linkage upper swinging shaft and the linkage lower swinging shaft are supported by bearings on a plate-type side wall board, the upper swinging shaft and the linkage upper swinging shaft are in rigid connection through the upper swinging shaft tube, the lower swinging shaft and the linkage lower swinging shaft are in rigid connection through the lower swinging shaft tube, and the upper swinging shaft and the lower swinging shaft right facing the upper swinging shaft are located on the same side of the cam rotating shaft in the manner that the upper swinging shaft and the lower swinging shaft are arranged at an upper position and a lower position relative to the cam rotating shaft. The inner conjugate cam set and the outer conjugate cam set are in closure transmission connection with birotor rocking bars rigidly arranged on the upper swinging shaft and the lower swinging shaft respectively so as to control the upper swinging shaft and the lower swinging shaft to swing reversely in an equal-amplitude mode. Two pairs of tool rests are hinged to a double-end upper swinging arm, a double-end lower swinging arm, a linkage double-end upper swinging arm and a linkage double-end lower swinging arm through vertical connecting bars, wherein the double-end upper swinging arm and the double-end lower swinging arm are rigidly fixed to the upper swinging shaft and the lower swinging shaft and are single parts, and the linkage double-end upper swinging arm and the linkage double-end lower swinging arm are linked with the upper swinging shaft and the lower swinging shaft and are single parts. The device is reliable in operation, high in transmission precision and easy to assemble and maintain.

The invention relates to a hot-blast duct compensator masonry structure of a hot-blast furnace, belonging to the technical field of hot-blast furnaces in the metallurgical industry. The masonry structure comprises a duct steel shell, an annular plate, a corrugated tube, expansion joints, a heat insulation layer, fireproof spray paint, a first heat insulation brick layer, a second heat insulation brick layer, refractory bricks, dilation joints of the first heat insulation brick layer, dilation joints of the second heat insulation brick layer, dilation joints of the refractory bricks, and special-shaped refractory bricks. According to the invention, the special-shaped refractory bricks effectively protect refractory fiber blankets filled in the dilation joints, thus preventing the refractory fiber blankets from being carried away by high-temperature high-pressure air flow in the working period of a hot-blast duct, especially in the early working stage; under the double action of the special-shaped refractory bricks and heated compaction, the refractory fiber blankets can stably work for long time and absorb heat to dilate, thus protecting the corrugated tube; the arrangement of the inverse labyrinth dilation joints is opposite to the direction of air flow, thus ensuring that the air flow is more difficult to leak into the corrugated tube and forming multiple protection on the corrugated tube; and latching of the refractory bricks and the special-shaped refractory bricks increases the overall stability of the masonry, thus ensuring the long-time stable work of the hot-blast duct.