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188results about How to "Applicable requirements" patented technology

Technology for producing 38CrMoAl steel by converter-LF (low frequency)-RH (rockwell hardness)-continuous casting

The invention discloses a technology for producing 38CrMoAl steel by converter-LF (low frequency)-RH (rockwell hardness)-continuous casting. A 150mm*150mm of square billet, a 200mm*200mm of square billet, a phi380mm of round billet and a phi500mm of round billet are produced by the technologies such as primarily refining of a top-bottom combined blowing basic converter, refining of an LF refining furnace, degassing of an RH / VD vacuum furnace, and continuous casting of an arc continuous casting machine; the round steel of which the specification is phi13-phi250mm can be rolled, and can be forged or rolled again according to the requirement; and the technology is suitable for the requirements of different processing and manufacturing industries. By adopting the technology, the problems of casting difficulty, easy scaffolding and low bulk rate when the 38CrMoAl steel is produced by the continuous casting technology, and the production process and quality problems that the steel billet easily generates spot segregation and the like can be effectively solved; smooth continuous casting of over 8 furnaces is achieved; the problems of nodulation and stopping poring of a water gap are effectively solved; the steel material is excellent in quality; obvious spot segregation is not generated; and the production cost is greatly reduced.
Owner:JIANGSU LIHUAI IRON AND STEEL CO LTD +1

Method for preparing hydroxyapatite/silk fibroin compound porous stand material

The invention discloses a method for preparing hydroxylapatite/fibroin protein composite porous support material, comprising the following steps: dropping fibroin protein solution in hydroxylapatite homogenate; putting the mixed solution in a supersonic cleaner for oscillation treatment; dropping glutaric dialdehyde cross linking agent to the mixed solution and stirring the mixture; and then transferring the solution to a cell culture plate and putting the solution into a refrigerator for precooling at minus 20 degrees; cooling the solution for 12h, refreezing the solution for 24h after temperature returning treatment at the temperature of 25 DEG C; then drying the solution again to prepare the hydroxylapatite/fibroin protein composite porous support material of different proportions. The hydroxylapatite/fibroin protein composite multiaperture support material of the invention features simple preparation technique, short time, easily satisfied preparation conditions, no addition of pore-foaming agent, small use amount of reagent, low price and low cost thereof; in addition, the support material prepared in the invention features relatively high porosity factor, uniform dispersion of pores and mutual perforation of pores, thus meeting demands of bone tissue engineering support material on pore space and pore diameter structure.
Owner:ZHEJIANG UNIV

Method for preparing polytetrafluoroethylene dispersion resin with high compression ratio

The invention provides polytetrafluoroethylene dispersion resin with high compression ratio and a preparation method thereof, and belongs to the technical field of high polymers. Polymerization is conducted by using an emulsion polymerization method to form a copolymer; on the premise that the process is simple, the cost is low, and the performance is stable, a fluorine-containing surfactant system, an emulsion stabilizer, a PH value regulator and a peroxide initiator are added in an aqueous phase and stirred to form an oil-in-water type fine dispersion; then tetrafluoroethylene monomers are introduced for polymerization, quantitative modified monomers are added until the polymerization reaches a certain extent, and then constant-voltage polymerization proceeds, so that the dispersion emulsion with primary particles of 200-300 nanometers and the concentration of 28-35% is obtained after the polymerization; and the emulsion is subjected to dosing, agglomeration and drying to obtain the polytetrafluoroethylene dispersion resin. The polytetrafluoroethylene dispersion resin has the characteristics that the dispersion resin can be controlled easily and safely in a polymerization process; the emulsion is stable; the product performance is good; the resin is suitable for high compression ratio processing; and the processed finished product is smooth, soft, transparent and the like.
Owner:SHANDONG DONGYUE POLYMER MATERIAL

Industrial wireless data intelligent collecting device and method based on Android system

The invention provides an industrial wireless data intelligent collecting device and method based on an Android system. The device comprises a central processor module, a data acquisition module, a data processing module, a data storage module, a data interaction display module and a power supply module. The central processing module is an ARM microprocessor. The data acquisition module includes a radio frequency identification module, a barcode identification module and a photographing module. The data interaction display module comprises an input module and an output module, the input module includes a manual input module and an intelligent input module, and the output module includes an animation display module and a chart display module. According to the device and the method, the remote real-time monitoring and lean and visual management of production field process data can be carried out, the field process data can be subscribed through the modes of WeChat, SMS, email, and the like, the display modes are diversified and comprises animation, graphics, curve, statements and the like, the device is convenient to carry and easy to operate, and the degree of intelligence is high.
Owner:海安中科智能制造与信息感知应用研发中心

Non-earth-borrowing composite pile and construction method thereof

The invention discloses a non-earth-borrowing composite pile and a construction method thereof. The composite pile comprises a first pile as a peripheral pile and a core pile as a second pile. The first pile is a cemented soil pile, and the second pile is a reinforced concrete pile. The area of the first pile is S1, the whole pile length is L1, the area of the second pile is S2, and the whole pile length is L2. The central distance d between the first pile and the second pile is 0, area ratio S ratio of the second pile and the first pile is S2/S1, length ratio L ratio of the second pile and the first pile is L2/L1, wherein the S ratio ranges from 0.25 to 0.75, and the L ratio is larger than 0.5. When the L ratio is smaller than 1, the upper end and the lower end of the first pile in the range of 3 to 5 meters are repeated mixing spraying section. When the L ratio is larger than 1, the upper end of the first pile in the range of 3 to 5 meters is a repeated stirring spraying section. The non-earth-borrowing composite pile adopts non-earth-borrowing process according to the soil layer condition, gives full play to the cemented soil pile and the reinforced concrete pile, saves cost and labor, and is high in construction performance, thereby being especially suitable for high-rise buildings in hard soil areas, especially mealy sand areas.
Owner:朱建新

Modified oil-well cement, preparing method thereof and production line thereof

InactiveCN102491695AApplicable requirementsApplicable to customer needsProduction lineMass ratio
The invention discloses a kind of modified oil-well cement, a preparing method thereof and a production line thereof. The modified oil-well cement comprises components of cement clinker, gypsum and at least two mineral additives, and by mass ratio, the cement clinker occupies 20%-80%, the gypsum occupies 2%-10%, and all the mineral additives respectively occupy 0.1%-40%. The preparing method includes metering, dosing and grinding all components to form cement in a preset granular level, or independently grinding all components or metering and dosing all components in proportion and grinding all components in groups, and then metering and dosing all components in proportion and mixing all components evenly to obtain the cement. The production line comprises a metering and dosing system and a cement grinder, wherein the metering and dosing system meters, doses and mixes all components in proportion, and the cement grinder grinds mixed materials to cement in the preset granular level. Or the production line comprises a grinding system and a mixing stirrer, wherein the grinding system grinds all components independently or meters and doses all components in proportion and grinds all components in groups to be in the preset granular level, and the mixing stirrer evenly mixes powder materials of all components to be cement. The modified oil-well cement obtained through the preparing method and the production line properly reduces production cost on the basis of meeting the product performance index.
Owner:JIAHUA SPECIAL CEMENT

End surface driving film clamping device

The invention discloses an end surface driving film clamping device. A driving section and a rotary nut of the film clamping device are integrated into a whole and serve as a left side section; a filmclamping ring, a transition nut, a driven section, a trunnion, a double-lug support, a single-lug support and an oil cylinder are integrated into a whole and serve as a right side section; a cuttinggroove, with uniform cutting internal threads, of the rotary nut corresponds to a part, in which threads are not removed, of the transition nut with the uniform cutting external threads; and the oil cylinder drives the transition nut to rotate relative to the driven section and the rotary nut, the driven section is driven to move close to the driving section, so that a film and the film clamping ring are clamped. The film clamping ring comprises the trunnion, the double-lug support, the single-lug support and the driving device of the oil cylinder which are all installed in the end surface ofthe rotary nut, and the occupied radial space is reduced. The end surface driving film clamping device can provide enough clamping force for the film of shock tunnel type ground test equipment, and isparticularly suitable for the conditions that the caliber of a shock tube is large, requirement for the clamping force is high, and the space in the circumferential direction is limited.
Owner:中国空气动力研究与发展中心超高速空气动力研究所

Improved structure of windshield wiper

The invention discloses an improved structure of a windshield wiper. The improved structure comprises a windshield wiper support, a connector and a scraping arm. The scraping arm is installed on the windshield wiper support through the connector. A fixing groove with an opened upper end and two opened sides is formed in the middle of the windshield wiper support, and a front clamping groove and a rear clamping groove are formed in the two ends of the fixing groove respectively. An elastic clamping hook is arranged at the front end of the connector, and a protruding pillar extending in the length direction is arranged at the rear end of the connector. The elastic clamping hook and the protruding pillar which are arranged on the connector are clamped in the front clamping groove and the rear clamping groove which are formed in the fixing groove of the windshield wiper support respectively. The inner end of the scraping arm is connected to the connector. Due to the fact that the connector of the improved structure is provided with the elastic clamping hook and the protruding pillar, the connector can be connected with the windshield wiper support through the elastic clamping hook and the protruding pillar; the windshield wiper support can be connected with different scraping arms through selection of different connectors, and different adopted scraping arms can meet the requirement for windshield wipers of different types of automobiles; the improved structure has the advantage of being high in universality.
Owner:XIAMEN FUKE CAR ACCESSORIES

Transdermal-absorption local-anesthesia painless injection puncture alcohol pad

The invention provides a transdermal-absorption local-anesthesia painless injection puncture alcohol pad and belongs to the technical field of medical local anesthesia and medical instruments. The alcohol pad is a low-value supply and used for local surface anesthesia of the skin mucosa. Patients, especially children are afraid of injection and puncture and poor in obedience; grease, cream, gel and other dosage forms which are sold in the market and used for local anesthesia are large in dosage, long in onset time and inconvenient to operate and have certain clinical safe risks; in order to overcome the preceding defects, the transdermal-absorption local-anesthesia painless injection puncture alcohol pad is developed. The alcohol pad is a non-woven cloth pad immersed with a solution in a saturated mode, wherein the solution comprises surface anesthetic, a transdermal-absorption agent, a skin light-pervious reinforcing agent and a solvent, and the preceding content are proportioned quantitatively to form the solution. The transdermal-absorption local-anesthesia painless injection puncture alcohol pad is mainly used for injection and puncture portions in medical care, face care and health care, by means of surface anesthesia of the local skin mucosa, the painless effect is achieved, and the transdermal-absorption local-anesthesia painless injection puncture alcohol pad has the advantages of being little in dosage, high in onset speed, free of medical risks and convenient to use, facilitating injection and puncture due to the fact that shallow veins are exposed and clear and the like.
Owner:杨德普

Surrounding contact-free full-automatic car washer

The invention relates to the technical field of car spraying washing equipment, in particular to a surrounding contact-free full-automatic car washer, comprising a crossbeam mounted on a longitudinal guide track as well as a liquid spraying frame mounted on the crossbeam and formed by a top liquid spraying rod and a liquid spraying side rod; the liquid spraying frame is provided with a liquid spraying nozzle connected with a liquid source; the crossbeam can move along the longitudinal guide track under the driving of a power device; the liquid spraying frame can transversely move along the crossbeam and rotate by 360 degrees along the longitudinal axis of the liquid spraying frame under the driving of the power device; a pair of infrared electronic opposite emitting probes capable of forming an anti-collision detecting line are respectively arranged on the top liquid spraying rod and the liquid spraying side rod; a controller controls the longitudinal moving of the crossbeam and the transverse moving and the 360-degree rotating of the liquid spraying frame according to the input program and/or the detected signals of the infrared electronic opposite emitting probes. The surrounding contact-free full-automatic car washer has the advantages that a liquid spraying position can be accurately positioned, the washing is clean, the liquid spraying frame can continuously rotate without scratching a car body, and the car washer is suitable for being used on full-automatic car washers with various models and standards.
Owner:因而克智能科技(浙江)有限公司

Periodic monitoring method and device based on premature beat signal in wearable electrocardiosignal

The invention discloses a periodic monitoring method and a device based on premature beat signals in a wearable electrocardiosignal, which consist of a wearable electrocardiosignal detection module and a long-time premature beat heart beat detection module. A reading unit in the long-time premature beat heart beat detection module reads the heart beat to be detected, after the heart beat type is determined by a real-time premature beat detection unit, a primary template generation unit and a secondary template generation unit respectively generate a primary template and a secondary template, and finally the heart beat type is determined through a primary-secondary heart beat detection unit, and on the basis of a normal heart beat, whether the heart beat type is an supraventricular premature beat heart beat or a normal heart beat is judged through an supraventricular premature beat detection unit, so that the long-time comfortable monitoring of ventricular premature beat and supraventricular premature beat under daily activities is achieved. The periodic monitoring method and the device based on premature beat signals in the wearable electrocardiosignal have the advantages of simplealgorithm, convenient operation, and applicability to the requirements of different users.
Owner:SOUTHEAST UNIV

Wool worsted fancy suiting fabric with capability of garment dyeing and production method of wool worsted fancy suiting fabric

The invention relates to a wool worsted fancy suiting fabric with capability of garment dyeing and a production method of the wool worsted fancy suiting fabric. The production method comprises the steps of separately mixing wool fibers and various identical or different types of chemical fibers according to the proportion, and carding and spinning to obtain raw white yarns with different contentsof wool fibers and in various blending ratios; designing the raw white yarns and all-cotton white yarns as decorative yarns according to the requirements for patterns and weaving parameter specifications of a finished fancy suiting fabric and weaving on a machine to obtain a grey fabric; and carrying out one-bath dyeing on the grey fabric by using neutral dyes to obtain a check wool worsted fancysuiting fabric with the designed color and pattern. The shortcomings that in the prior art, a process is tedious and is complicated to operate, material consumption and energy consumption are high, and a large amount of wastewater is drained are overcome. The wool worsted fancy suiting fabric with capability of garment dyeing is short in production period and convenient to operate, energy conservation and emission reduction are implemented, damage to fibers is small, the production efficiency is greatly improved, the cost is reduced, the requirements for 'small batch, multiple varieties, difference and rapid delivery' of the markets can be met, and the marketing application value is high.
Owner:山东如意毛纺服装集团股份有限公司 +1

Data disaster tolerance system suitable for WAN

The invention discloses a data disaster tolerant system which is applicable to a wide area network, pertains to the technical filed of computer information storage and solves the problem that the current data disaster tolerant system does not take the effect of data transmission links and the need of lots of redundant data storage space in the wide area network into consideration. The system of the invention comprises M local storage clients connected to the wide area network and N storage servers in different geographical positions; every local storage client consists of a web manager, a snap module, a mapping file redundant array module, a compression module, a decompression module, an encryption module, a decryption module, a backup distribution module and a recovery and integration module; the storage server consists of a failure detection module, a distributed arbitration module, a recovery module, a distributed copy service module, a backup and recovery service module. The system of the invention combines disaster tolerant coding and copying, reduces the amount of redundant data and effectively utilizes storage space. Meanwhile, data to be transmitted is compressed and encrypted, thus improving the safety and reliability of data on network transmission, effectively utilizing network bandwidth and reaching excellent disaster tolerant effect.
Owner:HUAZHONG UNIV OF SCI & TECH

Train operation state monitoring system based on data projection mode conversion

The invention discloses a train operation state monitoring system based on data projection mode conversion. The train operation state monitoring system comprises a data collecting module, a data processing module and a monitoring module. The data collecting module comprises a sensor for collecting data and a pre-filtering circuit. The data processing module comprises an arithmetic unit used for data calculation and a storage device used for data storage. The arithmetic unit processes the data according to the mode that multiple characteristic data are projected at the same time. The sensor transmits the collected data filtered by the pre-filtering circuit to the arithmetic unit, and the arithmetic unit processes the characteristic data in the mode of one-data-point projection and then transmits the data to the storage device and meanwhile transmits the data to the monitoring module. The train operation state monitoring system is simple in structure and data processing algorithm, free of calculation which is complex, large in time and resource consumption and expenditure and capable of meeting the requirements for real-time performance, instantaneity and timeliness of monitoring performed on safety and comfort of train operation.
Owner:SOUTHWEST JIAOTONG UNIV

Micro grain moulding device based on 3D printing and method thereof

The invention discloses a micro grain moulding device based on 3D printing and a method thereof. Based on the characteristic that ignition points of some energetic materials are higher than a melting point of 15 DEG C, powdered energetic material is placed in a printer sprayer heating chamber to be heated to be molten, shielding gas is slowly introduced into the heating chamber, and when air pressure in the heating chamber is 0.1-0.2MPa higher than the air pressure in a sealed cabin outside a nozzle, the molten energetic material in the heating chamber flows out by virtue of the nozzle at a certain speed. As the diameter of the nozzle is very small and temperature in the sealed cabin is lower than the melting point of the energetic material, liquid energetic material is quickly solidified at a specified position of a printer sprayer, and a micro grain in a designed shape is printed on a substrate by controlling a three-dimensional motion control platform connected with a control rod. The micro grain moulding device and the method thereof control the outflow of the liquid energetic material by virtue of pressure difference and have the characteristics of simple structure, convenience in realization and low cost; and less time is consumed from designing until printing is completed, so that a processing technological process is simple.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

High-capacity cathode material for lithium ion batteries and preparation method thereof

InactiveCN105336944AMeet the demand for high-rate charge and dischargeOvercoming the need for high-rate charging and dischargingCell electrodesSecondary cellsFiltrationMixed materials
The invention discloses a high-capacity cathode material for lithium ion batteries and a preparation method thereof. The high-capacity cathode material is LiNi1-x-yCoxAlyO2. While Nickel sulfate solution rich in nickel is added into mixed solution of nickel, cobalt and aluminum poor in nickel, the mixed solution is added to a reaction tank; sodium hydroxide and ammonia-water solution are added into the reaction tank, and a coprecipitate Ni1-x-yCoxAly(OH)2+y precursor is prepared; the precursor undergoes ageing, filtration, washing and drying and then is mixed with a lithium source, and the mixed material is formed by compression; the material formed by compression is placed in a tube furnace to be presintered and sintered in oxygen airflow or oxygen-enriched air flow, and a target product is obtained. The prepared high-capacity cathode material for the lithium ion batteries is free of impure phase and high in crystallization quality, the product particle size distribution is uniform, the high-capacity cathode material has very high discharged specific capacity and cycling stability, an operation process is simple, raw material sources are extensive, the manufacturing cost is low, and large-scale industrial production is achieved easily.
Owner:SICHUAN FUHUA NEW ENERGY HIGH TECH CO LTD
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