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Dental aligner devices having snap-on connectors
InactiveUS20060234179A1Improve accuracy and effectivenessReduce numberOthrodonticsDental toolsOrthodontic BraceEngineering
A system for producing corrective movement in a subject's teeth includes a dental aligner device having one or more through-holes and one or more connectors fixed to the subject's teeth. The connectors can snap into the through-holes when the dental aligner is worn on the subject's teeth.
Owner:ALIGN TECH
Method and system for an automated e.e.g. system for auditory evoked responses
InactiveUS20070106169A1Easy to useEasily engageableElectroencephalographySensorsAuditory evoked responsesEngineering
A dyslexia screening test system suitable for clinical use includes an integrated headset that efficiently and conveniently performs an auditory evoked response (AER) test by positioning electrodes about the ears of the subject. An integral control module automatically performs the test, providing simplified controls and indications to the clinician. A number of screening tests that are stored in the headset are periodically uploaded for billing, remote analysis and result reporting.
Owner:NEURONETRIX SOLUTIONS
Text input window with auto-growth
ActiveUS20050099407A1Easily and efficiently enter user inputEasy accessCathode-ray tube indicatorsDigital output to display deviceUser inputText entry
A user input panel dynamically expands to accommodate user input, such as handwritten or keyboard input. Expansion may occur in one or two out of four possible directions, depending upon the language to be written or typed. For example, when writing English words, the input panel may expand to the right as the user writes and then downward when the input panel has fully expanded rightward.
Owner:MICROSOFT TECH LICENSING LLC
Method for cultivating phellinus igniarius
ActiveCN103931420AIncrease vitalityPromote growth and reproductionHorticultureFertilizer mixturesMicroorganismMycelium
The invention discloses a method for cultivating phellinus igniarius. The method includes the steps that firstly, short-cut wood is directly placed in a material bag or placed in the material bag after being bundled, the two end faces of the short-cut wood or the two ends of a short-cut wood bundle are paved with cultivation media, an opening of the bag is tightened, and then a material package is acquired; secondly, the material package is sterilized, cooled and then inoculated, and then phellinus igniarius is acquired through cultivation, wherein the cultivation media are radix puerariae residues. The radix puerariae residues are used as the cultivation media, so that growth and reproduction of phellinus igniarius mycelia can be stimulated, the mycelia are stronger, germination and field planting of the phellinus igniarius mycelia are accelerated, and eventually the spawn running time can be shortened by about 15 d; in addition, invasion and infection of contaminating microorganisms can be reduced, and statistics show that the contamination rate of the material package can be reduced by 11.7% to 17.9% and the yield of phellinus igniarius can be increased by more than 15%.
Owner:HANGZHOU ACAD OF AGRI SCI
Verification engine for user authentication
InactiveUS8032927B2Less intrusiveMore flexibleDigital data processing detailsUser identity/authority verificationWeb siteThird party
Owner:MATTHEWS INT CORP
Low-altitude autonomous navigation system for rotary-wing unmanned plane
InactiveCN105094138AOvercome occlusionOvercoming distractionsAircraft power plantsAttitude controlAutonomous Navigation SystemGuidance control
The invention discloses a low-altitude autonomous navigation system for a rotary-wing unmanned plane. The low-altitude autonomous navigation system is composed of a data acquisition device, a data preprocessing module, a data fusion module, a guidance control loop module and an attitude control loop module. The data preprocessing module is used for carrying out sampling filtering and error compensation on current location data information collected by the data acquisition device; the data fusion module is used for carrying out fusion and updating and obtaining a current position and speed of the rotary-wing unmanned plane; the guidance control loop module is used for calculating an expected attitude angle and an expected height value; and the attitude control loop module is used for generating a controlled quantity. According to the technical scheme, a problem of poor attitude estimation precision of the conventional navigation system can be solved; and requirements of high-precision heading attitude calculation and position and speed fusion of the rotary-wing unmanned plane can be met. High-precision filtering of the system is realized. On the basis of the analysis and calculation of the autonomous navigation system, the flight route and height can be corrected and the flight attitude can be adjusted autonomously; and the autonomous flight of the unmanned plane can be realized.
Owner:NORTHEAST AGRICULTURAL UNIVERSITY
Systems and methods for a pregnancy monitoring device
InactiveUS20080171950A1Less invasiveLess intrusiveMedical devicesSensorsElectricityElectrical resistance and conductance
Systems and methods are provided for characterizing electrical activity of a patient for making a pregnancy-related diagnosis. The system includes a wearable device for measuring an electrical impedance of a cervical tissue of the patient based on a signal applied to the cervical surface by the device. The system also includes a transmitter coupled to the wearable device for transmitting the measured electrical impedance of the cervical tissue to an analysis system for making a pregnancy-related diagnosis based on the impedance data.
Owner:GENISENT INT
Thin film intrauterine device
InactiveUS20060213522A1Less intrusiveEasy to insertFemale contraceptivesIntrauterine deviceShape-memory alloy
Contraceptive intrauterine devices made of thin film shape memory alloy materials. The devices are formed in three-dimensional shapes which contact uterus tissue of a human or other mammal to prevent conception. In certain embodiments, structural features such as tails, fenestrations, ridges or grooves are formed on the devices to enhance the contraceptive effect.
Owner:TINI ALLOY
Thin film intrauterine device
InactiveUS7040323B1Less intrusiveEasy to insertFemale contraceptivesIntrauterine deviceShape-memory alloy
Contraceptive intrauterine devices made of thin film shape memory alloy materials. The devices are formed in three-dimensional shapes which contact uterus tissue of a human or other mammal to prevent conception. In certain embodiments, structural features such as tails, fenestrations, ridges or grooves are formed on the devices to enhance the contraceptive effect.
Owner:TINI ALLOY
All-natural plant composite preservative and preparation method and preservation method thereof
The present invention discloses an all-natural plant composite preservative and preparation method and preservation method thereof. The preservative comprises, by weight percentages, the following ingredients: 0.02%-4% of star anise extract, 0.01%-3% of thyme extract, 0.01%-2% of origanum vulgare extract, 0.02%-5% of litsea cubeba extract, 0.5%-3% of chitosan, 0.05%-12% of emulsifier, and the balance of distilled water. The preservative prepared by the present invention has excellent effect for inhibiting the rot-causing pathogens appeared during the storage of fruits such as cherry; is easy used; can be used to soak fruits or sprayed directly onto fruits; can reduce the rot rate of cherry by more than 50% after room temperature storage for 7 days, compared with a blank group; can also slowdown the water loss of the cherry, maintain the quality of the cherry, and improve the marketability of the cherry.
Owner:TIANJIN UNIV OF SCI & TECH
Monitor and methods for characterizing airborne particulates
InactiveUS20090081804A1Minimizes effortMinimize timeChemical analysis using combustionMaterial heat developmentParticulatesAnalyte
A dust monitor is disclosed that is suitably deployed in dusty environments and capable of providing near real-time indications of exposure to airborne particulates. The monitor includes a filter and filter assembly made of materials that do not interfere with subsequent instrumental (such as spectrometric) analysis for detecting and / or quantitating an analyte. In some disclosed embodiments, the filter is made of nylon or other material that is readily subjected to thermal destruction prior to spectrometric analysis. The dust monitor also includes a humidity correction feature that permits the filter to be made of ashable organic materials even if those materials are not highly hydrophobic. Transport devices are provided for shipment of the filter and / or filter assembly to an analytical laboratory which prevent loss of particulate matter and which facilitate an accurate analysis procedure.
Owner:UNITED STATES OF AMERICA
Distributed service tracking method, system, storage medium and electronic equipment
InactiveCN108038145AGuaranteed stability and high availabilityLess intrusiveData switching networksSpecial data processing applicationsService processElectronic equipment
Owner:CTRIP TRAVEL NETWORK TECH SHANGHAI0
Polymer modified asphalt rubber material and preparation method thereof as well as waterproof coiled material
InactiveCN107286684AImprove high temperature performanceLarge chemical polarityBuilding insulationsBituminous coatingsBuilding materialPetroleum
The invention belongs to the technical field of building materials, and particularly relates to a polymer modified asphalt rubber material and a preparation method thereof as well as a waterproof coiled material. Aiming to solve the technical problems of poorer high temperature performance, low temperature performance and anti-aging performance of an existing modified asphalt rubber material, the polymer modified asphalt rubber material and the preparation method thereof are provided. A raw material formula the rubber material comprises petroleum asphalt, a polymer modifying agent, softening oil, a tackifier, tyre rubber powder, an organic additive and an inorganic nano-material. Meanwhile, the invention also discloses the preparation method of the polymer modified asphalt rubber material. The polymer modified asphalt rubber material provided by the invention has better high temperature performance and low temperature performance; moreover, according to the waterproof coiled material containing the polymer modified asphalt rubber material, the aging resistant performance is enhanced, and the service life of the waterproof coiled material is prolonged.
Owner:中油佳汇(广东)防水股份有限公司
Biodegradable resin material applied to oil and gas fields and preparation method for biodegradable resin material
InactiveCN104987682ANew mechanical propertiesChange mechanical propertiesDrilling compositionWell drillingAlloy
The invention provides a biodegradable resin material applied to oil and gas fields and a preparation method for the biodegradable resin material. According to the preparation method for the biodegradable resin material applied to the oil and gas fields, two or three polymers of polyglycolic-colactic acid, polycaprolactone and polylactic acid and a chain extender are subject to melt mixing reaction to obtain a resin alloy, namely the biodegradable resin material applied to the oil and gas fields. The biodegradable resin material applied to the oil and gas fields is prepared from the method, can be prepared into the shapes of sheets, powder, granules, spheres and the like, or can be prepared into the shapes of the sheets, the powder, the granules, the spheres and the like by one of the polyglycolic-colactic acid, the polycaprolactone and the polylactic acid, is used for temporarily blocking filtrate to protect a reservoir, temporarily blocking a blast hole, a constructed layer section and the like in various construction (well drilling, well completing, well repairing, and acidizing and fracturing) operations of the oil and gas fields, and has the advantages of complete degradation and zero damage to stratum.
Owner:CHINA UNIV OF PETROLEUM (BEIJING) +1
Plant source fruit and vegetable preservative
InactiveCN104146055AReduce rotEnhanced inhibitory effectFruit and vegetables preservationChemical synthesisHyssopus officinalis extract
The invention discloses a plant source fruit and vegetable preservative, belonging to the technical field of fruit and vegetable preservation. The plant source fruit and vegetable preservative is characterized by being composed of following components in percentage by weight: 0.03-5% of mustard seed extract, 0.02-4% of litsea cubeba extract, 0.02-5% of rosemary extract, 0.02-4% of alpinia officinarum hance extract, 0.02-3% of portulaca oleracea extract, 0.03-3% of camphortree leaf extract, 0.03-3% of hyssopus officinalis extract, 0.5-3% of chitosan, 3-12% of emulsifying agent and the balance of de-ionized water. The main antibacterial components of the plant source fruit and vegetable preservative are extracted from medicine and food homology plants; raw materials are natural and non-toxic and do not contain common chemically-synthesized preservatives including sodium benzoate and the like, thus the plant source fruit and vegetable preservative is very safe to a human body; and the synergic antibacterial effect of plant extracts with good antibacterial effect is utilized so that the preservation effect is good and the shelf life of fruits and vegetables can be prolonged.
Owner:GUANGXI UNIV
High-plugging-performance drilling fluid composition and preparation method and application thereof
ActiveCN110205104AImprove the blocking effectLess intrusiveCarbon compoundsDrilling compositionMicro nanoPressure transmission
The invention relates to the field of drilling fluid, and discloses a high-plugging-performance drilling fluid composition and a preparation method and application thereof. The high-plugging-performance drilling fluid composition contains water, bentonite, Na2CO3, a shale inhibitor, a filtrate loss reducer, a viscosity reducer, an anti-collapse agent, a nanometer plugging agent, a lubricant and aweighting agent, wherein the shale inhibitor is modified asphalt GLA, the anti-collapse agent is calcium carbonate superfine powder C80, and the nanometer plugging agent is nanometer graphene subjected to surface modification by polyethylene glycol. According to the high-plugging-performance drilling fluid composition, the modified asphalt GLA as the shale inhibitor, the calcium carbonate superfine powder C80 as the anti-collapse agent and the nanometer plugging agent are adopted for effectively plugging micro-nano cracks of the shale stratum of the large-displacement horizontal segment of a deep well, a drilling fluid phase is prevented from entering the cracks, the lasting and compact plugging barrier is formed near the well wall, and therefore pore pressure transmission is further prevented, the wedge effect of waterpower is further reduced, the block shedding phenomenon is avoided, collapsing of the stratum is effectively prevented, and the stratum is kept stable.
Owner:SOUTHWEST PETROLEUM UNIV
Bio-controlling bacterial strain AT31 for preventing and curing greenhouse vegetable root knot nematode disease and rice sheath blight disease
ActiveCN101671641AConducive to pollution-free productionEasy to exportBiocideBacteriaDiseaseBacterial strain
The invention relates to a bio-controlling bacterial strain AT31 for preventing and curing greenhouse vegetable root knot nematode disease and rice sheath blight disease, belonging to the technical field of plant protection. The bacterial strain AT31 is shaking cultured in PDA culture solution at 37 DEG C and 180rpm for 20-24 hours, then is subject to centrifugation at 6000rpm for 10min, a finished bactericide product thereof has a total viable bacteria concentration of 1*10<9>-1*10<10>cfu / ml, can be used by pouring at roots when transplanting vegetable seedlings after being diluted by 100 times, or be manufactured into microbial fertilizer to be used a week before the vegetable seedlings are transplanted, and has a prevention effect of 58-82% for root knot nematode disease of tomato, loofah, cucumber and other vegetables. The bactericide is diluted by 100 times to be used in spray treatment on rice stem base, has a prevention effect of 64.7% for rice sheath blight disease, and can increase the yield by 22.33%. And the bactericide can also cure vegetable bacterial wilt and epidemic diseases, and can improve soil hardening phenomenon.
Owner:NANJING AGRICULTURAL UNIVERSITY
Injectable temperature sensitive gel used for filling and repairing damaged tissues
The invention relates to an injectable temperature sensitive gel used for filling and repairing damaged tissues. The gel is characterized in that: medical-grade hyaluronic acid and chitosan are used as gel raw materials; the gel swelling ratio is 2-500; and a temperature sensitive temperature is 32-37 DEG C. The gel provided by the invention has the advantages that the injection temperature sensitive gel has physical and chemical properties of a general gel, also has injectable and temperature sensitive properties and a good fluidity at a room temperature and is easy for injection; the formability in organisms is good and the degradation is slow so that the general gel can not be compared; a cross-linking agent is not used for the gel so that harms of the cross-linking agent to a human body are avoided; a gel system can prolong a persistence time of the gel in a body, and also can continuously stimulate the body to produce reactions so that the tissue in-situ regeneration and repair is promoted and the filling quality is increased; and the gel simultaneously has the advantages of reducing bacterial invansion, anticoagulation and low allergic reaction and the like.
Owner:冯淑芹
Verification engine for user authentication
InactiveUS20120005733A1Less intrusiveMore flexibleDigital data processing detailsUser identity/authority verificationWeb siteThird party
Owner:MATTHEWS INT CORP
Method for traffic monitoring and business service quality guarantee strategy based on SDN
InactiveCN108809857AReduce the impactGuaranteed service qualityData switching networksService flowTraffic capacity
The invention discloses a method for a traffic monitoring and business service quality guarantee strategy based on SDN. The method comprises the following steps: a. creating a network topology under the SDN architecture, configuring an Openflow switch, and establishing a connection between the switch and an SDN controller; b. providing an open northbound API interface on the SDN controller; c, obtaining, by an application system program, complete device information and link information; d, inputting the business to be guaranteed according to the business requirements; e, according to a sourcedestination address of the service flow, transmitting an algorithm class to calculate a scheduling path, and generating the optimal scheduling path of the current network; f. transmitting the scheduling path in e into a strategy generation class, generating a scheduling flow table in combination with the business guarantee strategy in d, and issuing the scheduling flow table into the switch; and g. adding a data transmission queue to a switch port according to the scheduling flow table in f. By adoption of the method disclosed by the invention, the stable operation of the network business, theefficient use of the link bandwidth and the maximum optimization of the whole network performance are maximally guaranteed.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)
Electrically conductive textile assemblies and manufacture thereof
InactiveUS20160194792A1Less intrusiveLow costCircuit bendability/stretchabilityWeft knittingConductive textileEngineering
There is provided a method of making a conductive assembly for use in textiles, the method comprising providing a composite material comprising: a temporary substrate having a first surface and a second surface opposite the first surface; a stitching pattern comprising a plurality of lockstitches on the temporary substrate, such that a conductive thread is disposed at the first surface of the temporary substrate and a thermo-fusible thread is disposed at the second surface; and an insulating layer comprising an adhesive on top of at least part of the conductive thread on the first surface, the adhesive having an activation temperature which is higher than the Vicat softening point, as measured by method A120 of ASTM D1525, of the thermo-fusible thread; and heating the insulating layer and thermo-fusible thread to the activation temperature and curing the adhesive in the insulating layer of the composite material, thereby securing the conductive thread to the insulating layer. Articles according to the process are also provided.
Owner:MAS INNOVATION
Electric circuit for portable heater
InactiveUS6940051B2Easy to manufactureControl safe operationAir heatersOhmic-resistance heating detailsElectrical resistance and conductancePower flow
A heater effectively uses a current controlled fan motor in series with a resistance heating arrangement. The fan motor preferably is wound with a gauge of wire to appropriate for the relatively high current provided to the fan motor. This arrangement is effectively used to adjust the fan speed to match the heat output when the heating arrangement has variable heat output. More desirable operating characteristics are achieved without increasing costs and fan motor manufacturing savings are realized. The portable heater preferably produces heat at different outputs and the current used to power the resistance heating arrangement is used to power the fan motor.
Owner:TATEISHI ART K
Device and method for providing strain measurements of insulated pipes
ActiveUS20080303382A1Avoid damageReduced and eliminated disruptionDrilling rodsPiezoelectric/electrostriction/magnetostriction machinesInsulation layerEngineering
This disclosure provides methods and apparatuses to monitor strain in a steel pipe with reduced or eliminated disruption of the insulative and anti-corrosive layers or coatings that cover the pipe. The methods and apparatuses can include an attachment scheme that is less intrusive and less sensitive to dilation of the insulation layer on the pipe than previous strain monitoring solutions. Additionally, methods and apparatuses can reduce corrosion by virtue of the reduction in the number and volume of metallic components.
Owner:BMT SCI MARINE SERVICES
Red light semiconductor area array light source device for laser display
InactiveCN103412406ASimple structureImprove reliabilityLaser detailsProjectorsEffect lightLight beam
The invention discloses a red light semiconductor area array light source device for laser display. The red light semiconductor area array light source device for laser display comprises a VCSEL area array and a microlens array, wherein the VCSEL area array at least comprises a plurality of VCSEL units which are used for emitting circular laser beams, and the microlens array is formed by a plurality of microlens and used for performing collimation rounding on the laser beams output by the VCSEL area array and outputting the laser beams. The light source device can reduce optical elements in a projection display optical path, shorten the length of a lighting optical path, and improve the optical energy utilization rate. In addition, the VCSEL area array can reduce interference between VCSEL lasers and weaken laser speckles, and therefore projection display quality is improved. According to the red light semiconductor area array light source device, the area array light source packaging technology and VCSEL are adopted, a two-dimensional array is easy to integrate, and the defect that power transmitted by a single tube is poor can be overcome. The VCSEL is available in wafer test, reduces cost greatly and is easy in modularization and packaging.
Owner:INST OF SEMICONDUCTORS - CHINESE ACAD OF SCI
Drilling fluid for shale hydrocarbon reservoir exploration
InactiveCN104610941AInhibition of hydrationPrevent collapseDrilling compositionWell drillingPotassium silicate
The invention provides a drilling fluid for shale hydrocarbon reservoir exploration. The drilling fluid is based on water, and comprises 4-6wt% of bentonite, 2-5wt% of potassium silicate, 0.2-0.5wt% of a coating inhibitor, 0.2-1.5wt% of a flow pattern regulator, 4-6wt% of a fluid loss additive, 2-3wt% of a shale caving inhibitor, 2-3wt% of a plugging agent, 0.5-1wt% of a filter cake surface modifier, 2-4wt% of a lubricant and 0.4-0.6wt% of a pH value regulator. The drilling fluid has the characteristics of good plugging property, strong inhibition, good lubricity and stable high temperature performances to shale hydrocarbon reservoir stratums, and is suitable for the exploration of shale hydrocarbon reservoirs.
Owner:CHINA PETROCHEMICAL CORP +1
Degradable material for oil and gas field operation and preparation method thereof
InactiveCN105295321ALess intrusiveReduce harmFluid removalDrilling compositionAcid fracturingPoly-3-hydroxybutyrate
The invention provides a degradable material for oil and gas field operation and a preparation method thereof. The preparation method of the degradable material for oil and gas field operation comprises the step of carrying out melting mixing reaction on two, three, four, or five polymers of polyglycolic acid, polycaprolactone, polylactic acid, poly butylene succinate and poly-3-hydroxybutyrate and a chain extender, so as to obtain resin alloy, namely, the degradable material for oil and gas field operation. The degradable material for oil and gas field operation can be prepared into shapes such as pieces, powder, particles and balls, or can be prepared from one of polyglycolic acid, polycaprolactone, polylactic acid, poly butylenes succinate and poly-3-hydroxybutyrate into shapes such as pieces, powder, particles and balls through the method, is used for temporary plug and filtration reduction for protecting a reservoir, and temporarily plugging shot holes, constructed layer sections, and the like during various operation (drilling, well completion, well repair and acid fracturing) in the oil and gas field, and has the advantages of being completely degradable and harmless to the stratum.
Owner:CHINA UNIV OF PETROLEUM (BEIJING) +1
Coarse-aggregate-containing C220-strength-grade ultrahigh-performance fiber concrete and preparation method
ActiveCN107285707AImprove toughnessImprove deformation abilitySolid waste managementModified carbonCellulose fiber
The invention discloses coarse-aggregate-containing C220-strength-grade ultrahigh-performance fiber concrete and a preparation method. The concrete is composed of, by mass, 545 parts of cement, 63 parts of water, 900 parts of rubble, 750 parts of fine aggregate, 72 parts of coal ash, 65 parts of rice husk ash, 140 parts of silicon ash, 15.5 parts of water reducer, 11.5 parts of excitant, 1.7 parts of cellulosic fiber, 78 parts of steel fiber, 48 parts of hydroxyl modified carbon nanotube dispersion, 50 parts of oxidized graphene dispersion and 2.9 parts of defoamer. The concrete prepared by the method has high toughness and durability and has high binding strength with section steel, compressive strength reaches 224.31MPa, bending strength reaches 47.45MPa, splitting tensile strength reaches 22.37MPa, the binding strength with the section steel reaches 8.92MPa, and chlorion anti-permeation grade reaches VI grade. When the concrete is used in a section steel and concrete combined structure, cooperative working performance between the section steel and the concrete can be brought into play effectively, and the defects that the section steel and the concrete are poor in binding performance and respective mechanical performance of the section steel and the concrete cannot be brought into full play are made up.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
System and method for seismological sounding
InactiveUS20110069741A1Improve signal-to-noise ratioReduce energy densitySeismic data acquisitionSeismic signal processingAcoustic waveSpread spectrum
Systems and methods for seismological sounding with acoustic signals and, more particularly, systems and methods for performing geophysical surveys using spread spectrum acoustic waves generated by non-impulsive sources. A spread spectrum signal is generated and coupled to a medium that is to be sounded for propagation of an acoustic wave through the medium. One or more return signals are received from the medium that are generated by interaction between the acoustic wave and the medium. The return signals are possessed to obtain seismic sounding data describing the structural features of the medium.
Owner:ERICKSON ALAN
Device for preventing bruxism
InactiveUS7874294B2Degree of precision and fitSimpler and more practicalPerson identificationSnoring preventionBiomedical engineeringBiofeedback
A device for preventing bruxism comprises a carrier (1) intended for receiving in a mouth of a user. The carrier (1) comprises at least a part (2,3) of an electronic biofeedback system. According to the invention the carrier comprises a jaw-shaped body which is adapted to lie only on an outer side against at least a part of a jaw of the user.
Owner:BRUXTEC BV
Data permission control method and device for application system clusters
InactiveCN104112085ARetrofit smallLess intrusiveDigital data authenticationStandard functionMultiple dimension
An embodiment of the invention provides a data permission control method and device for application system clusters. The method includes: receiving an access request which a user submits in an application system cluster; when the fact that the user has data permissions is determined according to the access request, acquiring a data permission set corresponding to the user, to be specific, searching for one or multiple characters corresponding to the user, searching for one or multiple standard functions corresponding to the one or multiple characters and searching for one or multiple dimensions corresponding to the one or multiple standard functions; acquiring a current data permission set of the user according to the one or multiple dimensions. The data permission set includes standard data permission sets. The data permission control method and device for application system clusters according to the embodiment has the advantages that parameter-based fine-grained permission control is achieved, few modifications are made to the application system clusters, few invasions are caused to the application system clusters, and accessing is simple.
Owner:ALIBABA GRP HLDG LTD
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