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46results about How to "Increase potential value" patented technology

Trajectory controlled indoor four-rotor unmanned aerial vehicle formation demonstration verification platform and method

The invention relates to the fields of unmanned aerial vehicles, embedded technologies and Wi-Fi wireless data transmission and aims to break through the poor capacity of responding to communication time and packet loss of a traditional demonstration verification platform, perform formation trajectory planning in real time according to the flight state of unmanned aerial vehicles and improve the formed flight demonstration effect of four-rotor unmanned aerial vehicles. Therefore, the adopted technical scheme is that a trajectory controlled indoor four-rotor unmanned aerial vehicle formation demonstration verification platform consists of an unmanned aerial vehicle side, a ground-based computer side and an indoor action capture system, combines with a distributed formation structure, obtains coming unmanned aerial vehicle flight trajectories and flight states through a wireless network, gives consideration to dynamical models of four-rotor unmanned aerial vehicles in an actual flight environment, designs a four-rotor unmanned aerial vehicle real-time trajectory planning method based on a differential flatness theory, cooperates with the indoor action capture system to achieve formedflight demonstration verification of multiple indoor four-rotor unmanned aerial vehicles. The platform is mainly applied to unmanned aerial vehicle control demonstration occasions.
Owner:TIANJIN UNIV

Waste tire cracking device and method based on combination of dividing wall heat exchange and microwave heating

InactiveCN111471476AReduce the temperatureSolve the problem of large thermal resistanceProductsReagentsElectric machineSpiral blade
The invention discloses a waste tire cracking device and method based on combination of dividing wall heat exchange and microwave heating. The main body of the cracking device is a horizontal cylindrical shell (12); a spiral conveying device (3) is arranged on the left side of the shell; the right half section of the spiral conveying device is positioned in the shell; a feeding opening (2) is arranged in the upper part of the left side of the spiral conveying device; the spiral conveying device is driven by a first speed regulating motor (1.1); a pyrolytic carbon black collecting box (11) is arranged at the lower end of the right side of the shell, an electric heating device (6) is installed on the front section outside the shell, a microwave heating device (9) of a microwave heating section is installed on the rear section outside the shell, four supporting frames (4) are arranged on the lower portion of the shell to support the whole device, and spiral blades (13) are arranged in theshell and penetrate through the shell from left to right. The spiral structure is used for conveying materials, so that the material adaptability of the reactor is improved; and the waste tire particles are slightly carbonized in the continuous temperature rising process of front-section electric heating, so that the wave absorbing property of the waste tire particles is greatly improved.
Owner:SOUTHEAST UNIV

A kind of ion concentration polarization chip based on graphene porous membrane and preparation method thereof

The invention provides an ion concentration polarization chip based on a graphene porous membrane and a preparation method of the ion concentration polarization chip and relates to ion concentration polarization chips. The ion concentration polarization chip comprises a glass base, PDMS substrates, a buffer solution water inlet / outlet and a graphene-based porous membrane in a first PDMS substrate, wherein the first PDMS substrate is provided with a Y-shaped groove, and a second PDMS substrate is provided with an I-shaped groove. The preparation method comprises the following steps: preparing graphene-based precursor slurry; producing a chip; and smearing a notch of a Y channel with the graphene-based precursor slurry, and curing, so as to obtain the ion concentration polarization chip. The preparation method has the beneficial effects that the process is simple, and the chip is low in cost and easy to prepare; graphene materials are weakly acidic and have low damage to devices; and the conductivity of the graphene materials is conveniently regulated and controlled, surface functional groups and electric charges are easily regulated and controlled, and the graphene materials can be composited with a large number of materials so as to prepare composite films and devices. Compared with a NaFion-base chip, a relatively stable and relatively large-range exhaustion region can be formed by the graphene-based chip.
Owner:XIAMEN UNIV

Preservative fresh keeping agent formula rich in hexalactone ferulate and application

The invention discloses a preservative fresh keeping agent formula rich in hexalactone ferulate. The preservative fresh keeping agent formula comprises 1-2 parts of hexalactone ferulate, 1-2 parts ofsilver crap scale collagen peptide, 0.5-1 part of a jasmine flower extract, and 4-5 parts of pullulan polysaccharide. The invention further discloses an application of the preservative fresh keeping agent composition formula to medicinal plant raw materials and food processing, particularly an application of the preservative fresh keeping of fresh dendrobium candidum strips. According to the formula and the application thereof, the problems that the fresh dendrobium candidum strips are rotten, change color, dehydrate and the like during storage are effectively solved, the efficacy of the treated fresh dendrobium candidum strips can be maintained for a long time, and the herbal medicine taste of the fresh dendrobium candidum strips can also be effectively reduced. The developed solid freshkeeping agent is convenient to apply and transport, the produced fresh dendrobium candidum strips can be stored for a long time, the nutrient value and the safety are high, and the preservative freshkeeping agent formula meets market requirements.
Owner:ZHEJIANG GONGSHANG UNIVERSITY

Method for recovering whey protein or protein in MPC through complex enzyme polymerization coupling ultrafiltration

The invention relates to an effective method for simultaneously improving the recovery rate of whey protein or protein in MPC, improving the membrane flux and reducing the lactose retention rate through complex enzyme polymerization coupling ultrafiltration. Concretely, laccase and transglutaminase are sequentially added; complex enzyme polymerization and ultrafiltration are effectively combined; a two-section type pretreatment mode is creatively used before complex enzyme polymerization; the mode that the enzyme is not deactivated after the laccase action is also combined, so that the purity and the recovery rate of the whey protein or the protein in the MPC is greatly improved; the membrane flux is improved; the lactose retention rate is reduced. Compared with the prior art, the method has the advantages that the recovery rate of the whey protein or the protein in the MPC is improved by 20 percent; the membrane flux is improved by 30 percent to 40 percent; the lactose retention rate is reduced by 10 percent; the method capable of simultaneously solving a plurality of problems is obtained. The invention also provides a high-quality product of the whey protein or the protein in the MPC; the condition that the product sensitization is obviously reduced is accidentally found; the effect is realized through the result of the complementary and synergic action of all work procedures and parameters; the operability of the method is high; only once filtering is performed; the industrialization is facilitated.
Owner:OCEAN UNIV OF CHINA

Method and device for cavitation-erosion accumulation processing

The invention discloses a method and a device for cavitation-erosion accumulation processing, and relates to the technical field of material decrease manufacturing processing. According to the method and the device, which are disclosed by the invention, a cavitation effect is generated by virtue of a high-pressure water jet to carry out exfoliation erosion processing on a workpiece, and a needed shape is formed through accumulation. The device disclosed by the invention comprises a jet generation system, a high-pressure submerging system, a water pool (1), a high-pressure hose (13) and a filter (2). According to the method and the device, which are disclosed by the invention, a bubble cluster of the high-pressure water jet is collapsed due to a stagnation pressure generated by the stagnation of the workpiece while moving to the surface of the workpiece, about 5000+/-200K of heat points are generated for material melting and weakening, thus a fatigue threshold value of a material is reduced; and fatigue fracture of the material is caused and circular block-shaped exfoliation erosion is formed under the composite action of high-frequency high-pressure shock waves, thus material decrease manufacturing is realized. The device disclosed by the invention is simple in structure, easy to maintain, low in cost and less in environmental influence. The method and the device, which are disclosed by the invention, are capable of processing various difficult-to-form materials and micro parts.
Owner:JIANGSU UNIV

Acrylic resin containing amphipathic lateral chain, and preparation and use thereof

InactiveCN101412779BGood antifouling activityExcellent marine antifouling activityAntifouling/underwater paintsPaints with biocidesMethacrylateAcrylic resin
The invention relates to acrylic resin containing amphiphilic lateral chains, a preparation method thereof and application of the acrylic resin containing the amphiphilic lateral chains. The general structural formula of the acrylic resin containing the amphiphilic lateral chains is as shown in a figure 1. The preparation method comprises the following steps: (1) dichloromethane, tetraethylene glycol and triethylamine are added, acryloyl chloride is slowly dripped into the mixture under the protection of nitrogen, and the mixture is subjected to temperature rise and stirring; (2) ester obtained in the step (1) is dissolved in anhydrous dichloromethane, dipped with acyl fluoride containing perfluor polyether chains, and stirred at a temperature of 80 DEG C below zero and 25 DEG C; and (3) 100 to 150 millimeters of tetrahydrofuran and 800 to 900 milligrams of initiator are added, and the mixture is subjected to temperature rise to between 60 and 80 DEG C, added with 15 to 20 grams of methacrylic ester, 12 to 15 grams of glycidyl methacrylate and 15 to 25 grams of acrylic acid derivatives under the protection of the nitrogen, stirred, subjected to temperature rise to between 65 and 80 DEG C, maintained at a constant temperature for 48 to 72 hours to obtain the acrylic resin containing the amphiphilic lateral chains. The resin not only can be taken as a film former of marine antifouling coating but also has nontoxic and eco-friendly performance.
Owner:DONGHUA UNIV

Slag modification reducer and preparation method thereof, and method for Fe recovery with slag waste heat

The invention discloses a slag modification reducer. The slag modification reducer is shaped like spherical particles with a particle diameter of 10-30 mm and comprises 100 parts by weight of a fusionagent, 5-24 parts by weight of a reduction agent, 8-18 parts by weight of a binder and 0-10 parts by weight of a fluxing agent. The invention also discloses a method for Fe recovery with slag waste heat. The method comprises the following steps: (a) during a course when slag is discharged from a smelting furnace and poured into a heat-preservation container, the slag modification reducer is addedinto a slag flow, and a modified reduction reaction takes place; and (b) after the slag completes the reaction with the modification reducer, solid slag in the heat-preservation container is crushed,and metal Fe particles and/or Fe ore concentrate powder are obtained through magnetic separation. The method aims at the fact that the slag contains a lot of waste heat and residual Fe resources, directly conducts high-temperature waste heat modification of the slag, adjusts chemical components and a smelting temperature of the slag, reduces reduction potential energy of Fe oxides and then uses amiddle-low temperature roasting temperature and a grinding-separation technology to realize efficiency recovery of Fe in the slag.
Owner:CHINA ENFI ENGINEERING CORPORATION

Mobile telephone tracking and anti-theft service system

The invention relates to a tracking and anti-theft service system used in mobile phone, which comprises an HLR, a VLR, a mobile base station, a short message center and a receiving terminal of customer mobile phone information and mobile phone position information; the HLR, the VLR, the mobile base station and the short message center belong to a mobile communication system; the HLR is adopted to set and manage marker bit of tracking and anti-theft service for customer mobile phone and activate the tracking and anti-theft service according to user request to sent the activation information of customer mobile phone to the VLR; the VLR is used for sending the activation information from the HLR to customer mobile phone through the mobile base station and sending the position information returned from customer mobile phone to a designated position information receiving terminal; the customer mobile phone is adopted to receive service activation information transmitted from a mobile base station, by which the position information of the mobile phone is sent back to the VLR; the mobile base station is for transmitting information between the customer mobile phone and the VLR; the position information receiving terminal is used to receive customer position information from the VLR.
Owner:ZTE CORP

A method for reclaiming protein in whey protein or MPC by compound enzyme polymerization coupling ultrafiltration

The invention relates to an effective method for simultaneously improving the recovery rate of whey protein or protein in MPC, improving the membrane flux and reducing the lactose retention rate through complex enzyme polymerization coupling ultrafiltration. Concretely, laccase and transglutaminase are sequentially added; complex enzyme polymerization and ultrafiltration are effectively combined; a two-section type pretreatment mode is creatively used before complex enzyme polymerization; the mode that the enzyme is not deactivated after the laccase action is also combined, so that the purity and the recovery rate of the whey protein or the protein in the MPC is greatly improved; the membrane flux is improved; the lactose retention rate is reduced. Compared with the prior art, the method has the advantages that the recovery rate of the whey protein or the protein in the MPC is improved by 20 percent; the membrane flux is improved by 30 percent to 40 percent; the lactose retention rate is reduced by 10 percent; the method capable of simultaneously solving a plurality of problems is obtained. The invention also provides a high-quality product of the whey protein or the protein in the MPC; the condition that the product sensitization is obviously reduced is accidentally found; the effect is realized through the result of the complementary and synergic action of all work procedures and parameters; the operability of the method is high; only once filtering is performed; the industrialization is facilitated.
Owner:OCEAN UNIV OF CHINA

Mild cognitive function impairment diagnostic marker, kit and application thereof

The invention relates to a marker for auxiliary diagnosis of peripheral blood in a profenodic stage of Alzheimer's disease, namely mild cognitive impairment (MCI), the marker is plasma CircRNA (Ribonucleic Acid), and the plasma CircRNA comprises circ-0004738, circ-0001490, circ-0003362, circ-0008289 and circ-0074719. The marker for auxiliary diagnosis of the peripheral blood in the profenodic stage of the Alzheimer's disease is a marker for auxiliary diagnosis of the peripheral blood in the profenodic stage of the Alzheimer's disease, and the marker for auxiliary diagnosis of the peripheral blood in the profenodic stage of the Alzheimer's disease is a marker for auxiliary diagnosis of the peripheral blood in the profenodic stage of the Alzheimer's disease. The invention also relates to application of the marker and a corresponding kit. The peripheral plasma CircRNA biomarker has the beneficial effects that the peripheral plasma CircRNA biomarker with relatively high diagnostic value on the Alzheimer's disease prophase, namely mild cognitive impairment is found, the MCI peripheral blood non-coding RNA diagnostic marker spectrum is enriched, and the early diagnosis and early intervention of MCI are facilitated.
Owner:SHANGHAI MENTAL HEALTH CENT (SHANGHAI PSYCHOLOGICAL COUNSELLING TRAINING CENT)

A kind of enzyme-free superoxide anion electrochemical sensor and its preparation method and application

The invention provides a production method of an enzyme-free superoxide anion electrochemical sensor. The production method comprises the following steps: functionalizing multi-walled carbon nano-tubes with L-cysteine to obtain Cys-MWCNTs, and depositing silver nano-particles on the surface of a Cys-MWCNTs modified electrode through an electrochemical technology to obtain the enzyme-free superoxide anion electrochemical sensor. The invention also provides the enzyme-free superoxide anion electrochemical sensor produced through the method, and an application of the enzyme-free superoxide anion electrochemical sensor. The catalysis effect of the silver nano-particles on active oxygen is used to substitute SOD enzyme for the first time in order to detect superoxide anions. The method has the advantages of simplicity, easiness in operation, difficult inactivation and realization of long-term preservation and use. The modified electrode is successfully applied to detection of the superoxide anions released by living cells (PC12). The modified electrode constructed in the invention has the characteristics of very good electrochemical response to O<2>.<->, wide linear range, high sensitivity, short response time, good stability and good repeatability.
Owner:菏泽智慧新材料科技有限公司
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