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155results about How to "Address controllability" patented technology

Preparation method of grapheme and ferriferrous oxide composite nanometer material

InactiveCN103274396ASolve the lack of interface binding forceResolving Particle MorphologyMaterial nanotechnologyGrapheneMicrosphereSolvent
A preparation method of a grapheme and ferriferrous oxide composite nanometer material belongs to the technical field of functional materials. The preparation method comprises the following steps: at first, oxidized grapheme is prepared by an improved chemical method; and then oxidized grapheme and ferric ions are adopted as raw materials, and are compounded through adopting a solvothermal technology to carry out one-step in-situ reduction to obtain the grapheme and ferriferrous oxide composite nanometer material. The preparation method solves the problems in the prior art that the interface binding force of grapheme and a magnetic material is insufficient, the appearances, the sizes and the magnetism of magnetic material particles are uncontrollable, and the magnetic material particles cannot be dispersed in water; the prepared composite nanometer material shows a microspheric appearance, has a loose surface and is high in specific surface area; through the change of the ratio of grapheme to the ferric ions, final magnetic property and electrical property of the composite material can be adjusted; and the controllable growth of the grapheme and ferriferrous oxide composite material is realized. The prepared grapheme and ferriferrous oxide nanometer microsheric material with magnetic and electric properties can be used in fields such as biological medicine, energy, invisibility and electronic materials.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Combined grouting construction process of reinforcing foundation

The combined grouting construction process of reinforcing foundation includes the following steps: drilling grouting hole; establishing hole top grouting apparatus; high pressure rotary spraying clear water to expand hole; high pressure rotary spraying mortar and static pressure grouting. The present invention combines static pressure grouting technology and high pressure rotary spraying grouting technology with different advantages, so as to reach maximum application range, optimized reinforcing effect, and successive and safe reinforcement.
Owner:GUANGDONG PROVINCIAL ACAD OF BUILDING RES GRP CO LTD

Ticket recognition training sample synthesis method and computer storage medium

ActiveCN110163285AAddress controllabilitySolve problems such as uneven character coverageCharacter and pattern recognitionPattern recognitionSynthesis methods
The invention discloses a ticket recognition training sample synthesis method and a computer storage medium. The method comprises the following steps: carrying out character sampling from a corpus according to a preset rule to obtain a character sampling set, reading characters from the character sampling set to generate sample character strings with a predetermined length, and forming a sample character string set by a plurality of sample character strings; carrying out character mask preprocessing on each sample character string and generating a corresponding foreground character mask image;and carrying out secondary image fusion on each foreground character mask image and the correspondingly selected ticket background image to obtain a synthetic training sample set for ticket identification. According to the technical scheme provided by the invention, the training sample required for artificially synthesizing the ticket text identification can be realized to replace a real sample to carry out model training, so that the problems that the number of samples of the real sample is uncontrollable and the like can be solved.
Owner:阳光保险集团股份有限公司

Extract of mulberry twig and its extracting process and novel usage

An extract of mulberry twigs is dislcosed, which can be used to prepare the food or the medicine to cure hyperuricemia and gout diseases. The said extract is prepared from mulberry twigs through extracting in solvent (aqueous solution of alcohol, chloroform, acetone, etc) at 10-100 deg.C more than one time, mergint the liquid extracts, recovering solvent, regulating pH value to 7.5-9.5, centrifugal separation to obtain supernatant, regulating pH value to 4-6, deposition, water washing wand drying. Several other approaches for purifying it are also disclosed.
Owner:NANJING UNIV +1

Cooling device for vehicle dry type two clutches

The invention relates to a vehicle drying dual-clutch cooler, wherein said invention arranges gas inlet (11) and gas outlet (5) on the frame of dual-clutch automatic speed changer; mounts blower fan (12) driven by motor on the gas inlet (11); arranges divert tube (10) inside the frame (2) of speed changer; arranges axial ventilate holes on the flywheel disc (1) and clutch cover (9), to form the air refrigerating system. The invention can use cooling air to cool the clutch, to reduce its working temperature, while high working temperature will affect the service life and working property of drying dual-clutch.
Owner:CHONGQING UNIV

Railroad sleeper detection data acquisition device and system

The invention discloses a railroad sleeper detection system. The railroad sleeper detection system comprises a railroad sleeper detection data acquisition device and a data processing system. The railroad sleeper detection data acquisition device comprises a force exerting device, a pressure sensor (3), a displacement sensor (4) and a multi-channel data acquisition instrument (5). The pressure sensor (3) and the displacement sensor (4) conduct sleeper pressure measurement and sleeper displacement measurement and are connected with the multi-channel data acquisition instrument (5) through cables respectively. The multi-channel data acquisition instrument (5) is further connected with the data processing system. The data processing system comprises a digital processing device (61), a load displacement analyzing and processing module and a data output device. The load displacement analyzing and processing module is arranged in the data processing device (61). The railroad sleeper detection system can detect the load displacement of a rail and is high in detection speed, high in precision, high in stability, less in error, little in manual work, high in efficiency, safe and reliable.
Owner:HUNAN TECHN COLLEGE OF RAILWAY HIGH SPEED

Reduced responsive drug-drug conjugate preparation method

The invention discloses a reduced responsive drug-drug conjugate preparation method which is characterized in that the method includes the steps: preparing a camptothecin intermediate (CPT-SS) containing a reduced responsive bond; preparing a reduced responsive drug-drug conjugate (GT-CPT) or (BT-CPT). The reduced responsive drug-drug conjugate has advantages of a small-molecule prodrug and a nano-drug, the uploading capability of the reduced responsive drug-drug conjugate can be effectively improved, the reduced responsive drug-drug conjugate solves the problems of targeting delivery of a current small-molecule prodrug delivery system and controlled release of drug selectivity, and accurate diagnosis and efficient treatment of tumors are facilitated. Gemcitabine (drug) and biotin (target)molecules are introduced, fluorescence of drug molecules can be temporarily shielded, the conjugate is combined with specificities of cancer cells, so that nano-micelles are disassembled and assembled, the fluorescence of the drug molecules can be reduced, and a drug releases drug properties under stimulation response, so that accurate diagnosis and treatment of cancers are combined.
Owner:SOUTHWEST UNIVERSITY

Di-demethoxycurcumin precursor liposome and preparation method thereof

The invention provides a precursor liposome containing di-demethoxycurcumin and a preparation method capable of industrial application. The weight ratio of the di-demethoxycurcumin to phospholipids together with phospholipid derivatives is 1:5-65, 3 to 20 portions of cholesterol together with derivatives thereof and 0.5 to 5 portions of surfactant are prepared into a freeze-dried powder injection according to the portion ratio of the phospholipids to freeze-drying protective agents being 1:0.25-4. The invention relates to a novel technique and a device for preparing a precursor liposome by an efficient jetting-mixing method, has the advantages of good process reproducibility, controllable technical parameters and the like, and can provide a unilocular liposome with fat-soluble medicaments which are stably wrapped in a phospholipid bilayer. The liposome has the average particle size of between 80 and 300 nm, is narrow in the distribution range of particle size, has entrapment rate of more than 85 percent, is low in leakage rate, and is significantly improved in the stability of preparation storage process. The in vivo circulation time of the novel preparation is obviously prolonged during intravenous injection administration, and the AUC of the novel preparation is 2.67 times that of the common injection.
Owner:CHINA PHARM UNIV

Information auditing method, information auditing device, computer-readable medium and electronic equipment

The invention provides an information auditing method, an information auditing device, a computer-readable medium and electronic equipment. The information auditing method comprises the steps of acquiring an auditing strength factor set by a user; acquiring at least one piece of picture information from stored picture information, wherein the similarity coefficient of the picture information and a template picture is greater than or equal to the auditing strength factor; comparing information of a picture to be audited with the at least one piece of picture information; if the comparison result of the information of the picture to be audited and any picture information meets the auditing strength factor, determining that the picture to be audited passes the audit. After the technical scheme is adopted, the picture can be automatically audited, and the problems of slow audit speed and uncontrollable audit results which are caused by a manual audit way can be solved.
Owner:BEIJING JINGDONG SHANGKE INFORMATION TECH CO LTD +1

A beta targeted recombinant lipoprotein nano drug carrier and preparation method and application thereof

The invention discloses an A beta targeted recombinant lipoprotein nano drug carrier and a preparation method and application thereof. The A beta targeted recombinant lipoprotein nano drug carrier comprises lipid, apolipoprotein and a drug, the drug is an alzheimer disease targeting therapeutic or diagnostic drug, and comprises one or a plurality of small molecule chemical therapeutic drugs and large molecule polypeptide, protein, gene therapeutic and diagnostic drugs. By construction of the drug carrier, the defects of scarce sources, cumbersome preparation, low quality controllability and the like of natural lipoprotein can be solved, and the drug carrier provides a new and more effective and safe solution for delivery of the alzheimer disease targeting therapeutic or diagnostic drug, and has the important research value and clinical application prospects.
Owner:SHANGHAI JIAOTONG UNIV SCHOOL OF MEDICINE

Preparation method of dry powder ceramic tile and green tile thereof, and finished product

The invention relates to a preparation method of a dry powder ceramic tile and a green tile thereof, and a finished product. The preparation method of the green tile comprises the following steps: A. bottom material distribution; B. facing material distribution in press mold cavity: distributing one or a plurality of dry powders on a green material layer by using a screen provided with a hollow decorating pattern; and C. punch forming. In the method, the step A and step B are in no particular order, the step A-C sequence is a reverse punching mode; and when the step A and step B are in the reverse order, the sequence is a forward punching mode. The invention provides the preparation method of the dry powder ceramic tile and green tile thereof; and the method solves the problem that the decorative pattern is not fine enough and is not controllable or variable in the existing powder full-body tile or unglazed ceramic tile. In addition, according to the semifinished product green tile and the finished product ceramic tile, the decorative effects on the tile surfaces are wear-resistant; and the surface of the ceramic tile can be subjected to slot broaching, trimming or chamfering, and the exposed part of the cut surface has the same pattern, texture and tactile sensation as the surface of the ceramic tile, thereby enhancing the grade of the decorating effect of the ceramic tile and widening the application range of the ceramic tile.
Owner:FOSHAN DONGPENG CERAMIC +3

File sharing method and file sharing system

The invention discloses a file sharing method and a file sharing system. The file sharing method comprises steps that: an upload user terminal sends an upload request to a server; the server utilizes an upload user public key to carry out encryption on a randomized number, a first result is generated according to a first randomized number cryptograph acquired through encryption and algorithm information and is sent to the upload user terminal; the upload user terminal parses the first result and utilizes a server certificate to verify the parsed result, if verification is a success, an internal preset function is called, a first randomized number new cryptograph and a file cryptograph are acquired through the first randomized number cryptograph, a server public key and a file to be uploaded; a second result is generated according to the first randomized number new cryptograph and the file cryptograph and is sent to the server; the server receives and parses the second result, another parsed result is verified, if verification is a success, the first randomized number new cryptograph and the file cryptograph which are in the second parsed result are saved. The file sharing method utilizes the preset function in combination with an SM2 asymmetric algorithm to excellently realize confidentiality and access controllability of the shared file.
Owner:FEITIAN TECHNOLOGIES

Preparation method for monodisperse cationic polystyrene microballoon sphere with controllable grain diameter

The invention discloses a synthesis method for monodisperse cationic polystyrene microballoon sphere with controllable grain diameter. Deionized water and an organic solvent are mixed into a 100ml threeneck flask according to proportions; under the protection of nitrogen, a certain amount of styrene, initiator and polymerizable-dispersible stabilizer are together added into the threeneck flask for mixing, stirring and heating with a stirring speed of 200 RPM (Revolution Per Minute) and reacting for 6-8h when the temperature is 70-90 DEG C. After the reaction is stopped, the mixture is naturally cooled to a room temperature and is centrifuged by a supercentrifuge; a supernatant liquid is abandoned, then sediments are washed by ethanol and dispersed ultrasonically for 5 minutes; then the process is repeated for 2-3 times to obtain sediments; the sediments are dried in vacuum under 50 DEG C, so that the monodisperse cationic polystyrene microballoon sphere is obtained with a grain diameter scope between 0.4 and 1.0 Mum. The synthesis method is simple and easy. The product of the synthesis method can be used in the fields such as protein carrier, coating additive and medical diagnosis, etc.
Owner:HUNAN UNIV OF SCI & TECH

Circular revolving brush electrostatic spinning device and use method of same

The invention relates to a circular revolving brush electrostatic spinning device comprising a liquid supplying system, a brush type spinning system and a nano-fiber collecting system. The brush type spinning system comprises a brush head, a brush shaft, a cylindrical seat and a metal annular sprayer; the brush head is installed on the tail end of the brush head; the cylindrical seat is mounted on the brush shaft; the metal annular sprayer is arranged in a place on the upper end of the cylindrical seat and corresponding to the brush head; a bearing is arranged on the lower end of the cylindrical seat and on the brush shaft; the bearing is connected with a motor via a belt; the liquid supplying system has an air bottle, a spinning liquid storage bottle and a liquid guiding pipeline; the liquid guiding pipeline is disposed in the brush shaft; the upper end of the liquid guiding pipeline is connected with the brush head and the lower end extends into the bottom of the spinning liquid storage bottle; and the spinning storage bottle is connected with the air bottle via an air pipe. High-polymer solution can be automatically fed and nano-fibers can be prepared in batches in a stable way; and meanwhile, problems of volatilization of solvent during the electrostatic spinning and uncontrollability of the nano-fiber structure can be solved.
Owner:DONGHUA UNIV

Embedded software testing method capable of realizing multi-technology fusion

The invention relates to an embedded software testing method capable of realizing multi-technology fusion. According to the characteristics of model embedded software, various test means of the embedded software are subjected to optimal combination by virtue of professional software test tools and equipment, the functions and the fault handling capabilities of the software are verified through artificial or automatic ways, the comprehensiveness and the integrity of software testing are guaranteed, the efficiency of the software testing is improved, and indexes of high reliability and high safety are achieved.
Owner:BEIJING RES INST OF PRECISE MECHATRONICS CONTROLS +1

Method of developing substructure MBE (molecular beam epitaxy) with same mass on side wall of GaAs nanowire

Disclosed is a method of developing substructure MBE (molecular beam epitaxy) with same mass on the side wall of GaAs nanowire. The method comprises the following steps: (1) taking a semiconductor substrate; (2) developing a silica layer on the semiconductor substrate; (3) rinsing the semiconductor substrate developed with the silica layer; (4) using a autocatalysis method, developing nanowire on the silica layer and the top end of the nanowire has a drop of Ga (gallium), (5) using high As (arsenic) pressure to process and consume the drop of Ga on the top end of the nanowire, so that the developing of VLS (Vapor Liquid Solid) of the nanowire on the top end can be restrained to form a substrate; (6) depositing the drop of Ga on the substrate under the circumstance of low As pressure; (7) under the circumstance of As, combining and crystalizing the drop of As and the drop of Ga into quantum ring or quantum dot on the side wall of the nanowire on the substrate.
Owner:INST OF SEMICONDUCTORS - CHINESE ACAD OF SCI

Magnetic coding lock cylinder and magnetic coding padlock capable of bearing severe environment

The invention discloses a magnetic coding lock cylinder and magnetic coding padlock capable of bearing severe environment, aiming at providing a magnetic coding lock cylinder and magnetic coding padlock which have good weathering resistance and high controllability and can bear severe environment. The magnetic coding lock cylinder of the invention comprises a lock cylinder shell (1), an upper cover (2), a bottom cover (3), a latching column (4), a sealing shrapnel (5), a plurality of latching blocks (6) and a plurality of permeable monopoles; wherein the permeable monopoles are arranged in thegap between the latching column (4) and the latching blocks (6), an unlocking position is arranged in the gap while the rest is locked position; the latching column (4) and the latching block (6) rotate relatively when the permeable monopoles is in the unlocking position; and the permeable monopoles (7) block the relative rotating of the latching column (4) and the latching block (6) when the permeable monopoles (7) is in the locked position. The invention is widely applied to the magnetic coding lockset field.
Owner:李晓祁 +2

Method for building hot-dry rock artificial geothermal reservoir by using natural geological faults

The invention belongs to the technical field of construction of hot-dry rock artificial geothermal reservoirs, and particularly relates to a method for building a hot-dry rock artificial geothermal reservoir by using natural geological faults. The method comprises the following steps that 1, the occurrences, the number and the sizes of the faults in a hot-dry rock geothermal development area are determined; 2, a well group is arranged and designed along the trend of the target fault, wherein according to the arrangement way of the well group, shafts are linearly arranged in a one-injection-two-return way; 3, an injection well is drilled in the center of the trend of the target fault; 4, in the combination of the geophysical prospecting imaging technology, the macro-size of a large-fault and the azimuthal angle of a drilling hole are determined, and according to the macro-size and the azimuthal angle, the occurrence of the target fault can be precisely determined; 5, the target fault and near fracture zones are used as the fracture development artificial geothermal reservoir which is high in permeability and large in heat exchange area; 6, a lot of room-temperature water is injectedinto the injection well, heat exchange is conducted through the natural artificial geothermal reservoir crack network of the target fault, transformation from solid heat to liquid heat is achieved, and high-temperature water and over-hot water vapor are produced from production wells to be used for electricity generation or heat supply.
Owner:TAIYUAN UNIV OF TECH

Preparation method of low-cost and large-tow 48K carbon fiber preimpregnated cloth and composite material thereof

InactiveCN106626439AExpand application formExpand the scope of applicationFiberEpoxy
The invention discloses a preparation method of a low-cost and large-tow 48K carbon fiber preimpregnated cloth and a composite material thereof. According to the preparation method disclosed by the invention, a resin system compound formula and an impregnating-rolling dual-configuration method are adopted, so that the viscosity of a resins system is reduced, the infiltrating effect is improved, and the technical difficult problems that a fiber bundle is low in resin content, high in content of volatile components, uncontrollable in resin content and the like are solved. The invention also provides the preparation method of the 48K large-tow carbon fiber epoxy resin preimpregnated cloth; after forming, epoxy resin carbon fiber prepreg and a composite material thereof which are low in cost, high in performance and suitable for large-scale application in all industrial fields are obtained; the preparation cost of the composite material is greatly reduced, the application form and the application range of carbon fibers are widened, and the production efficiency and the stability of a process and a product are improved; large size, diversification and structural complication of the product can be realized; and the invention provides a low-cost carbon fiber raw material for application in the fields such as communication and transportation, engineering machinery, constructional engineering and energy.
Owner:CHANGCHUN UNIV OF TECH

Light-controlled slow-release spherical silica nano spice and preparation method thereof

The invention discloses light-controlled slow-release spherical silica nano spice and a preparation method thereof. The preparation method comprises the steps that a photosensitive silane coupling agent is synthesized; nano mesoporous silica spheres are prepared; the photosensitive silane coupling agent and the nano mesoporous silica spheres are reacted to obtain photosensitive nano mesoporous silica spheres; the photosensitive nano mesoporous silica spheres are loaded with spice, and after organic solvent and the spice which is not entrapped are removed, the light-controlled slow-release spherical silica nano spice is obtained. According to the light-controlled slow-release spherical silica nano spice and the preparation method thereof, nano mesoporous silica is adopted for entrapping thespice and preparing the light-controlled slow-release nano spice, thus the problems are solved that the spice is unsteady and volatile, and the spice release process is uncontrollable.
Owner:INST OF PROCESS ENG CHINESE ACAD OF SCI

Preparation method of reductive-response amphipathic wormlike monomolecular prodrug

The invention discloses a preparation method of reductive-response amphipathic wormlike monomolecular prodrug. On the basis of linear structure of glucan, stimulus response of high-concentration glutathione in tumor cells is utilized to promote splitting of disulfide bonds of the amphipathic wormlike monomolecular prodrug to realize synchronous release of camptothecin (CPT) which is antitumor drug so as to act on a tumor position. The preparation method includes following steps: (1), preparing camptothecin monomer: specifically introducing disulfide-bond camptothecin CPT-SS; (2), preparing a drug initiator DEX-Br; (3), polymerizing the camptothecin monomer CPT-SS on the initiator through atom transfer radical polymerization (ATRP) to obtain a DEX-CPT-SS hydrophobic intermediate product; (4), utilizing ATRP to polymerize polyethylene glycol methacrylate (OEGMA) to obtain amphipathic segmented polymer DEX-CPT-OEGMA-SS named as DCO-SS. The obtained amphipathic wormlike monomolecular prodrug can directly form a drug monomolecular micelle in an aqueous phase, has the advantages of high drug loading capacity (higher than 23wt%), high micelle stability, sensitive stimulus-response drug release, high biocompatibility and low toxic and side effect on normal tissue. The problem that hydrophobic drug is low in molecular solubility is solved effectively, and an efficient drug delivery carrier is provided.
Owner:SOUTHWEST UNIVERSITY

Bivalent cation magnetic ionic liquids and preparation method thereof

ActiveCN102167683AOvercome the disadvantage of uncontrollable magnetismSolve the problem of less magneticOrganic chemistryMagnetic liquidsPotassium rhodanidePotassium thiocyanate
The invention relates to bivalent cation magnetic ionic liquids and a preparation method thereof, and belongs to the technical fields of novel chemical materials and preparation. N-alkyl imidazole, 1,m-dibromoalkane, 1,m-dicholoroalkane, ferric trichloride, lanthanide metal oxide, potassium rhodanide and aqueous solution of perchloric acid are taken as raw materials to be prepared into the bivalent cation magnetic ionic liquids with different anion structures; and compared with the conventional magnetic ionic liquid, the magnetic ionic liquids have high magnetism, magnetic controllability and higher thermal stability. The invention realizes magnetic designability of the magnetic ionic liquids for the first time, and promotes the application of the magnetic ionic liquids in the fields such as aviation, medicines, biology and the like.
Owner:INST OF PROCESS ENG CHINESE ACAD OF SCI

Asset securitization management system and method based on blockchain

The invention relates to an asset securitization management system and method based on a blockchain, and the system comprises an alliance chain which consists of four types of role participants: an original equity person, an intermediary mechanism, a supervision mechanism and an investor, and the four types of role participants respectively have respective account books. Data recorded in account books of the four types of role participants are kept consistent, the four types of role participants are connected with a consensus service network, and the consensus service network performs identityauthentication on each role participant according to the certificate trust chain; and the control module is used for performing node election, account book data consistency verification and data synchronization control on the four role participants so as to ensure that the account book data of the four role participants is consistent. Compared with the prior art, by constructing the distributed system, the basic asset information and the project operation information are synchronously uploaded in the whole process, the whole-network real-time sharing of the data is realized, the uploaded datacan be tracked and audited and cannot be randomly tampered, and the credibility of the data subsequently acquired by a user is also ensured.
Owner:BANK OF COMMUNICATIONS

Preparation method of multi-stimulation-response cooperative anti-tumor polymer prodrug

The invention discloses a preparation method of a multi-stimulation-response cooperative anti-tumor polymer prodrug. The preparation method comprises the following steps: based on beta-cyclodextrin, modifying a double-sulfur-bond camptothecin monomer CPT-SS, 2-(diisopropylamino)ethyl methacrylate DPA and polyethylene glycol methacrylate OEGMA on an initiator by utilizing atom transfer radical polymerization reaction (ATRP), so as to obtain an amphiphilic polymer prodrug beta-CD-P (CPT-co-DPA-co-OEGMA). The obtained amphiphilic polymer prodrug can be directly self-assembled in a water phase toform a single-molecule medicine micelle and also can be used for physical embedding an anti-cancer drug, i.e., adriamycin. Double sulfur bonds of the single-molecule prodrug are opened under the stimulation of a tumor microenvironment condition, amphiphilic performance is changed and the anti-tumor drug is synchronously released to kill tumor cells. Therefore, the method has the advantages that the loading amount of a hydrophobic drug is improved and the selectivity of the anti-tumor drug is also increased; the cooperative treatment effect is remarkable and the safety is high.
Owner:SOUTHWEST UNIVERSITY

Industrial robot demonstration track recurrence method and system and robot

The invention belongs to the technical field of robots, and provides an industrial robot demonstration track recurrence method and system and a robot. The method comprises the steps that various jointinformation of the robot is collected, and the pose information of the tail end pose is obtained according to the various joint information of the robot; the pose information is subjected to fitting,and a continuous recurrence track is obtained; the running speed of the recurrence track is calculated according to the recurrence track; speed planning is conducted on the recurrence track accordingto the motion speed of the recurrence track; and according to the speed planning result, the position information of the recurrence track in each interpolation period is obtained, and the robot is controlled to move according to the position information. Through collection of the joint information of the robot, fitting is conducted according to the pose information obtained after smoothing, the continuous recurrence track is obtained, the errors of the tail end pose are reduced, meanwhile, it is guaranteed that the curvature of the recurrence track is continuous, speed planning is conducted on the generated recurrence track, and accordingly it is guaranteed that the speed in the track reoccurrence process is controllable.
Owner:SHENZHEN YUEJIANG TECH CO LTD

Defect detecting device and method for non-elevation reflective surface workpieces

The invention provides a defect detecting device and a method for non-elevation reflective surface workpieces. The device comprises a first light path, a second light path, a moire surface light source, a half transparent and half reflecting mirror, an industrial camera and a computer. A moire fringe beam emitted by the moire surface light source reaches the half transparent and half reflecting mirror along the first optical path. The half transparent and half reflecting mirror reflects the moire fringe beam onto the surface of a non-elevation reflective surface workpiece to form a signal light. The signal light reaches the half transparent and half reflecting mirror along the second light path. The half transparent and half reflecting mirror transmits the signal light to the industrial camera to form a detection image. The computer processes the detection image to determine whether the surface of the non-elevation reflective surface has defects and determines the position of each defect. The invention can accurately detect the defects of the surface of the non-elevation reflective surface workpiece, and solves the problem that the image is supersaturated due to glare during imageacquisition and the detection resolution is uncontrollable.
Owner:GUILIN UNIV OF ELECTRONIC TECH

Fuzzy adaptive central air-conditioning cooling water energy-saving control system and fuzzy adaptive method thereof

The invention provides a fuzzy adaptive central air-conditioning cooling water energy-saving control system and a fuzzy adaptive method thereof. The system comprises an industrial control computer, a programmable logic controller (PLC), an analog input module, an analog output module, a digital input module, a digital output module, a frequency converter, first and second platinum resistance temperature sensors, a cooling fan and a cooling water pump, wherein the first and second platinum resistance temperature sensors acquire the temperature signals of cooling supply and return water in real time; the signal is transmitted to the PLC and then to the industrial control computer; and the industrial control computer obtains the proportion and integral controller parameters in a cooling water pump and cooling fan control circuit through real-time computation according to the computer programs and ensures the parameters to automatically adapt to variation of the working conditions of the central air-conditioning system. The invention solves the problems of higher energy consumption and poor control performance in the operation processes of the traditional central air-conditioning cooling water systems and ensures the central air-conditioning cooling water system to operate efficiently and stably under partial load operation conditions.
Owner:中环清新人工环境工程技术(北京)有限责任公司

Silicon plastid microcapsule and preparation method thereof

The invention discloses a silicon plastid microcapsule and a preparation method thereof. The preparation method for the silicon plastid microcapsule comprises the following steps: (1), dissolving organic-inorganic composite lipid in organic solvent, and removing the organic solvent by rotary evaporation to form a lipid membrane; (2), adding a template microsphere solution which is uniform in grain size to the lipid membrane for incubation; (3), carrying out a water-bath ultrasonic process to the mixed solution acquired in step (2); (4), stewing the solution at room temperature after the ultrasonic process, and forming a silicate shell layer on the surface of the template microsphere; and (5), removing the template microsphere which is coated with the organic-inorganic composite lipid on the surface to acquire the silicon plastid microcapsule. According to the invention, micron-size microsphere is used as a template and organic-inorganic lipid is used as a capsule wall material to prepare the silicon plastid microcapsule which is uniform and controllable in grain size, stable in property and dispersible. The method has a simple process, gentle operation conditions, good repeatability and can be extensively applied to such fields as packaging of active substance, a drug delivery system, embedding and catalytic reaction of enzyme, ultrasonic contrast agent, tissue engineering and the like.
Owner:SUN YAT SEN UNIV

Anti-cancer medicament silicon plastid microcapsule and preparation method thereof

The invention discloses an anti-cancer medicament silicon plastid microcapsule and a preparation method thereof. Calcium carbonate microspheres are taken as a template, an organic-inorganic compound lipid is assembled on the surfaces of colloid microspheres through a sol-gel and self-assembling method, and a fat-soluble anti-cancer medicament can be loaded onto a lipoid bilayer simultaneously. Calcium carbonate template microspheres are removed through a chemical method to obtain a monodisperse silicon plastid microcapsule with uniform and controllable particle diameter has stable property. The silicon plastid microcapsule and a water-soluble anti-cancer medicament are incubated together, so that the water-soluble medicament is embedded into a microcapsule. The organic-inorganic compound lipid for preparing the microcapsule is nontoxic and has high biocompatibility. The preparation method provided by the invention has the advantages of simple process, mild operating conditions, high repeatability, good delayed release effect, suitability for embedding and controlled release of fat-soluble anti-cancer medicaments and water-soluble anti-cancer medicaments, and good application prospect.
Owner:SUN YAT SEN UNIV

Flexible wing and flap robot

The invention relates to the technical field of robots and provides a flexible wing and a flap robot. The flexible wing comprises a first wing body and a second wing body which are symmetric. The first wing body comprises a wing body, a first device and a second device, and the wing body is a wing with an airfoil profile and sequentially comprises an inner wing section and an outer wing section from inside to outside. The first device is a rigid body, is arranged in the inner wing section and can improve the rigidity of the inner wing section of the wing body, and therefore the lift force generation efficiency can be improved. The second device is used for controlling the outer wing section to be bent and deformed and can actively change the flexibility of the outer wing section of the wing body so that the degree of generated thrust can be actively changed, and therefore steering is achieved. Through a reasonable rigidity and flexibility layout, the generation efficiency of lift forceand thrust can be improved, the flexibility controllability of the wing body is achieved, maneuverability is improved, the structure is simple and easy to achieve, and mass application and popularization are facilitated.
Owner:HARBIN INST OF TECH SHENZHEN GRADUATE SCHOOL
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