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51results about How to "Sparsely distributed" patented technology
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2D/3D Registration
ActiveUS20170243361A1High resolutionIncrease in sizeImage enhancementReconstruction from projectionData setMotion parameter
A method includes, following specification of an initial transformation as a test transformation that is to be optimized, determining a 2D gradient x-ray image and a 3D gradient dataset of the image dataset, carrying out, for each image element of the gradient comparison image, a check for selection as a contour point, and determining an environment best corresponding to a local environment of the contour point and extending around a comparison point in the gradient x-ray image for all contour points in the at least one gradient comparison image. Local 2D displacement information is determined by comparing the contour points with the associated comparison points, and motion parameters of a 3D motion model describing a movement of the target region between the acquisition of the image dataset and the x-ray image are determined from the displacement information and a registration transformation describing the registration.
Owner:SIEMENS HEALTHCARE GMBH
Modified double-toroid secondary enveloping toroid worm gear pair and manufacturing method thereof
InactiveCN102389996AEvenly distributedSparsely distributedToothed gearingsWorm wheelsGrinding wheelMechanical engineering
The invention relates to a modified double-toroid secondary enveloping toroid worm gear pair and a manufacturing method thereof. The technical scheme of the manufacturing method disclosed by the invention comprises the following steps of: grinding and spreading a toroid worm gear blank (1) by a double-toroid disc-shaped grinding wheel (2), wherein the process center distance is ad=a+delta a, and the process transmission ratio is i1d=i12+delta i; and adopting pure center distance profiling or adopting comprehensive profiling, determining profiling parameter ad and i1d by a trial method, calculating a worm gear engaging-out end reflecting line, and ensuring that the worm gear engaging-out end reflecting line can completely enter a first conjugate subarea of a worm wheel tooth surface. The cutting gear of a worm wheel is same as the relative standard transmission, only that a generative face of an applied toroid hob is consistent with a spiral surface of the modified worm gear. Accordingto the modified double-toroid secondary enveloping toroid worm gear pair disclosed by the invention, the worm wheel tooth surface does not exist a secondary contact area and can utilize the full length of a worm gear, a worm gear engaging-in end of the worm gear can keep the certain double-line contact length, and the manufacturing process is simpler and more flexible; and the modified double-toroid secondary enveloping toroid worm gear pair can also naturally inherit the advantages of standard double-toroid sedondary enveloping transmission.
Owner:WUHAN UNIV OF SCI & TECH
Mapping method of channel measurement pilot frequency and physical resource block
InactiveCN101867949AReduce overheadReduce performance degradationCriteria allocationSignal allocationResource blockBase station
The invention discloses a mapping method of a channel measurement pilot frequency and a physical resource block, which are applied in an advanced long-term evolution system, and comprises the following step that: the base station is provided with one or a plurality of antenna ports adopting a common pilot frequency specified in the long-term evolution system to be as the channel measurement pilot frequency, and is provided with the channel measure pilot frequencies of other antenna parts to avoid the mapping positions of the common pilot frequency and downlink dedicated pilot frequency in the long-term evolution system. The invention can save system overhead, and can not cause large influence on performance of the user of the long-term evolution system.
Owner:ZTE CORP
Detection method for double cross-hole pinch Lamb wave tomographic reconstruction system
InactiveCN102928510ASparsely distributedAvoid interpolationAnalysing solids using sonic/ultrasonic/infrasonic wavesProcessing detected response signalComputer moduleTransducer
The invention discloses a detection method for a double cross-hole pinch Lamb wave tomographic reconstruction system. The detection method is characterized in that a projection data acquiring module (1) is connected with a projection data rearrangement module (2), the projection data rearrangement module is connected with a back projection module (3), the back projection module is connected with a filter module (4), and the filter module is connected with an image display module (5), wherein an energy transducer arranged according to a double cross-hole pinch structure of the projection data acquiring module (1) can perform projection scanning on defective areas to acquire projection data of Lamb wave; the projection data rearrangement module (2) rearranges projection data acquired by the double cross-hole pinch structure into parallel projection data; the differential and back projection module (3) performs back projection calculation on the parallel projection data in a space variation differential and an angle variation integration mode; and the filter module (4) performs finite Hilbert calculation on the back projection data to acquire reconstruction images of an object, and the reconstruction images are displayed through the image display module (5).
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA
Integrated LED lamp cap
InactiveCN101280898AImprove cooling effectExtended service lifePlanar light sourcesPoint-like light sourceLight pollutionEngineering
The invention discloses an integrated LED lamp cap including an integrated heat sink, a piece of or a plurality of modules, a front guard board and a rear guard board sealed and fixed on the heat radiator, a or a plurality of controllers arranged in the heat radiator cavity; the module comprises a plurality of LEDs, a circuit board, a plurality of reflecting cups and flat translucent covers; the reflecting cup plugs in a fixing hole of the circuit board, the flat translucent cover covers the circuit board, the edge is sealed and fixed on the integrated heat sink; the module is installed in a heat radiator module installation groove, lamp installation through holes are provided in the heat radiator cavity, a controller clamp groove is provided in the heat radiator cavity near the lamp installation through hole, the controller is arranged in the clamp groove. The invention has good heat radiation effect, LED, lamp with long service life are provided, the flat translucent cover is not easy to abrade, photospheric facula of the LED is in ovalization or rectangular figure, uniform light splitting is achieved in certain irradiation range, low dull finish ratio, uniform luminescence, high efficiency, large illumination area, relatively rare LED lamp arrangement are provided without light pollution.
Owner:保定市大正太阳能光电设备制造有限公司
Addressing method for slave units in fire detection system
ActiveUS20170294092A1Sparsely distributedRobust detectionFire alarmsTransmissionFire detectionSerial code
A method and system for assigning working addresses to slave units in a vehicle fire system. Slave units responding to a default address are identified along with available working addresses. Individual slave units are isolated at the default address by instructing the slaves to compare their serial numbers to a broadcast serial number until only a single slave responds, wherein bits in the serial numbers are reversed to create a more sparse distribution of the serial numbers of the slave units, and assigning the slave units, which responded to the default address, to the available working addresses.
Owner:JOHNSON CONTROLS TYCO IP HLDG LLP
Structurally reinforced tent frame and central reinforcing structure thereof
InactiveUS20190368220A1Reduce the number of connectionsEasy maintenanceTents/canopiesEngineeringMechanical engineering
A structurally reinforced tent frame includes standing poles that each have a connecting base and a slidable base are disposed thereon. A first tarpaulin supporting pole has one end hinged on the connecting base and another end hinged with a top plate. An auxiliary supporting pole has one end hinged on the first tarpaulin supporting pole and another end hinged with the slidable base. A hinged crossbeam is disposed between adjacent standing poles and has ends connected with the connecting bases and the slidable bases. A second tarpaulin supporting pole has one end hinged with a hinge point of the hinged crossbeam and another end hinged with the top plate. Four second tarpaulin supporting poles and two first tarpaulin supporting poles are connected to supporting poles. Other ends of the supporting poles are hinged with a lower plate. A retractable position-limiting pole is disposed between the lower plate and the top plate.
Owner:ZHEJIANG JASAN LEISURE PROD
Method for carrying out low-complexity angle estimation by using co-prime linear array
InactiveCN109597020AAvoid Spatial Smoothing ProcessIncrease freedomRadio wave direction/deviation determination systemsComputation complexityArray element
The invention discloses a method for carrying out low-complexity angle estimation by using a co-prime linear array. The method comprises the steps of: firstly, carrying out vectorization processing ona covariance matrix of an array received signal, deleting redundant rows and intercepting a continuous array element part to obtain a received signal of a virtual uniform linear array with an array element interval of half of lambda; then carrying out DFT (Discrete Fourier Transform) on the virtual received signal and finding out positions of K maximum peak values (K represents an information source number), so that initial estimation of a DOA (Direction Of Arrival) can be obtained; and finally, carrying out DFT on the virtual received signal subjected to phase rotation, searching a rotationphase eta in a small range, respectively finding out a rotation phase which enables the K peak values to be shrunk to the maximum, and obtaining accurate estimation of the DOA hereby. According to theinvention, DFT and a DOA estimation problem of the co-prime linear array are combined, the virtual received signal does not need to be subjected to decorrelation processing, a relatively high space freedom degree can be obtained, and meanwhile, the method has low calculation complexity and high estimation accuracy.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
Electrodialysis partitioning plate
InactiveCN103816806ASparse distribution of water distribution channelsImprove sealing performanceDispersed particle separationElectrodialysisIon-exchange membranesElectricity
The invention discloses an electrodialysis partitioning plate which comprises a plate frame, wherein liquid guide holes and water distribution channels for communicating the liquid guide holes with a central cavity of the plate frame are formed in the plate frame; each water distribution channel is at least divided into two sections; multiple sections of the water distribution channels are arranged on two side surfaces of the plate frame in a cross manner; two adjacent sections of the water distribution channels are communicated through the through holes in the plate frame. As each water distribution channel is divided into multiple sections, and the sections are arranged on the two side surfaces in the cross manner, the sealing capability of an ion exchange film and the partitioning plate is improved under the condition that the same number of water distribution channels are formed.
Owner:ZHEJIANG GONGSHANG UNIVERSITY
Semi-self-locking acetabulum posterior wall and posterior column anatomical plate
The invention discloses a semi-self-locking acetabulum posterior wall and posterior column anatomical plate which comprises a steel plate main body, a self-locking sleeve and self-locking screws, wherein the steel plate main body is sequentially provided with a first fixing region, a first location region, a main fixing region, a second location region and a second fixing region, the main fixing region is provided with self-locking screw holes, the first fixing region and the second fixing region are provided with non-self-locking screw holes, and the first location region and the second location region are provided with location holes. The invention can be properly twisted and bended and is in convenient moulding so as to be better jointed to a skeleton to bear joint motion load, enable the fracture to be normally healed and reduce complications such as loosening, displacement, pains, bone stress shielding and the like at a later stage of fracture. The invention has the advantages ofhaving less internal stress and relatively according with acetabulum anatomy and biomechanics, enhances the success rate of a fracture internal fixation operation, avoids moulding in the operation, saves the operation time, reduces the blood loss in the operation, reduces the anesthetic time and lowers the operation risks.
Owner:李明
REAL-TIME MONITORING SYSTEM AND METHOD FOR AGRICULTURE AND LIVESTOCK FARMING BY USING IoT SENSOR
InactiveUS20210104335A1Short periodLow infrastructure construction costData processing applicationsParticular environment based servicesLivestock farmingAnimal science
The present invention relates to a real-time monitoring system and a real-time monitoring method for agriculture and livestock farming by using an IoT sensor, which are implemented in the agriculture and livestock farming to use the IoT sensor to detect a tag attached to a moving object and a Wi-Fi signal, and to use a livestock monitoring system (LMS) to monitor access to a virtual fence and an abnormal behavior of the moving object, and includes: generating a tag / Wi-Fi signal by a tag / Wi-Fi signal generator installed on a moving object; detecting, by an IoT sensor, the tag / Wi-Fi signal generated by the tag / Wi-Fi signal generator; and receiving, by an LMS unit, the tag / Wi-Fi signal detected by the IoT sensor to monitor access to a virtual fence and an abnormal behavior of the moving object.
Owner:LABFIS CO LTD
Fingerprint image segmentation method based on linear density calculation
InactiveCN106897989AEfficient identificationSparsely distributedImage enhancementImage analysisFingerprintDecomposition
The invention discloses a fingerprint image segmentation method based on linear density calculation. The method comprises the following steps: the original fingerprint image is subjected to cartoon texture decomposition, a cartoon part containing a background and a texture part containing details are decomposed; the texture part is subjected to binaryzation and deburring treatment, and a contour map of the fingerprint image is acquired; lines are searched in the contour map; the image is divided to n*n pixel square grids, the number of points recorded in each grid is counted, and an image linear density is obtained; a fingerprint center is judged, the area of the fingerprint is obtained, that is, a mask area is obtained; and the mask area is subjected to convex hull treatment (or approximate convex hull treatment), and segmentation on the fingerprint foreground area and the background area of the fingerprint image is completed. On the basis of image cartoon texture decomposition, in view of a fingerprint image with each quality, a brand new method, that is, a linear density method is used for recognition and segmentation on the fingerprint area, and the segmentation efficiency and the segmentation accuracy of a low-quality fingerprint image can be effectively improved.
Owner:MINNAN NORMAL UNIV
Apparatus and program for analyzing electromagnetic field
InactiveUS20080189088A1Sparsely distributedComputation using non-denominational number representationDesign optimisation/simulationComputational physicsElectromagnetic field
In an apparatus for analyzing an electromagnetic field in an analytical space: a range setting unit sets the range of the analytical space; an object-information setting unit sets a distribution-index value indicating the amount of particles distributed in the range, the dimensions of the particles, a first material-property value of a first material of which the particles are formed, and a second material-property value of a second material existing around the particles in the range; a model production unit produces a calculation model of an arrangement in which the particles are arranged at random positions in the range so as to realize the distribution-index value, the dimensions of the particles, the first material-property value, and the second material-property value which are set by the object-information setting unit; and an analysis unit analyzes the electromagnetic field in the range in accordance with the calculation model.
Owner:FUJIFILM CORP
Voice synthesis method and device and electronic equipment
ActiveCN110047462AImprove the efficiency of speech synthesisAdd dimensionSpeech synthesisSpeech soundElectric equipment
The embodiment of the invention provides a voice synthesis method and device and electronic equipment. According to the technical scheme, on a voice selection splicing synthesis path, a depth learningtechnology is moderately introduced, but a traditional statistical learning technology is not thoroughly abandoned, and thus the advantages of both parties are made use of; the key innovation is thata depth learning model is adopted for generating simulation data to conduct back feeding on training of a traditional statistical learning model, the effect of traditional learning is improved from two aspects of algorithms and data, and thus the effect of voice synthesis is improved.
Owner:BEIJING SINOVOICE TECH CO LTD
Utensil for toasters and other appliances
A utensil can remove a food product such as toast from the slot of an appliance. The utensil has an opposing pair of longitudinally disposed tongs that are interconnected at their proximal ends. Each tong has a distal paddle that is wider than the interconnected proximal ends. Each paddle has a tapered distal edge that is sloped to increase clearance at the inside face of the paddle. Each paddle has on its inside face a number of projections, with the ones adjacent to the paddle's distal edge having a distal flank that is sloped to facilitate ingressive passage across them. The tongs can be held with a single hand and kept in a substantially parallel orientation that allows insertion into the slot around either side of the food product. The tongs can be manually pressed together to embed the projections into the food product before lifting and removing it.
Owner:MALIN LEO
Conical surface enveloping cone worm pair and manufacturing method thereof
InactiveCN108488360AImprove Manufacturing AccuracyTooth surface hardness is highPortable liftingWorm wheelsEngineeringContact line
The invention relates to a conical surface enveloping cone worm pair and a manufacturing method thereof, and belongs to the technical field of offset worm transmission. The conical surface envelopingcone worm pair comprises an enveloping cone worm and a cone worm wheel, the spiral surface of the enveloping conical worm is an expandable curved surface, the expandable curved surface is ground to beformed by the disc-shaped conical surface grinding wheel, and the enveloping cone worm is meshed with the bevel gear wheel; the conical surface enveloping cone worm pair is suitable for occasion of axis orthogonal staggered or axis non-orthogonal staggered with the transmission ratio of i 12 being greater than or equal to 10; and the manufacturing method of the conical surface enveloping cone worm pair comprises the following steps that 1, coordinate parameters of a to-be-manufactured enveloping cone worm are set, 2, the enveloping conical worm is manufactured, 3, the coordinate parameters ofthe to-be-manufactured are set, 4, a cone worm wheel is manufactured, and 5, the conical surface enveloping cone worm pair is assembled. The tooth surfaces of the conical surface enveloping cone wormpair are not prone to causing curvature interference, the number of the suitable worms is multiple, the range of the transmission ratio is wide, the distribution of the instantaneous contact lines isuniform, sparse and cross-free, heat dissipation and lubrication are facilitated, the bearing capacity is high, the transmission efficiency is high, and the service life is long.
Owner:NORTHEASTERN UNIV
Method for constructing a communication LDPC (Low Density Parity Check) code capable of eliminating 6/8/10 surrounding line and having column weight of 3 and product thereof
ActiveCN110336566AThe bigger the circumference, the better the performanceBigger performanceError correction/detection using multiple parity bitsCode conversionTheoretical computer scienceTransmission channel
The invention discloses a method for constructing a communication LDPC (Low Density Parity Check) code capable of eliminating 6 / 8 / 10 surrounding lines and having a column weight of 3 and a product thereof, and belongs to the technical field of communication transmission channel coding. The method comprises the following steps: firstly, designing a framework and constraint conditions of a number pair array P, and designing a parameter v in the number pair array P by utilizing BIBD (Balance Incomplete Group Design); then, according to a surrounding line generation method in the number pair arrayP, enumerating all 6 / 8 / 10 surrounding lines; taking the enumerated 6 / 8 / 10 girth as a constraint condition of the parameter u, and searching the parameter u; substituting the obtained parameter v andparameter u into the number pair array P; finally, obtaining a basis matrix B according to element design in the number pair array P; vertically expanding the basis matrix B into an extraction matrixHb; and subjecting the extraction matrix Hb to horizontal expansion to form an H matrix; and uniquely determining the LDPC code by the H matrix. Compared with QC-LDPC code, under the constraint conditions of the code rate, the perimeter line and the code length, the regular LDPC code with the column weight of 3 and the 6 / 8 / 10 perimeter line eliminated has a better performance.
Owner:HUAZHONG UNIV OF SCI & TECH
Positive electrode, non-aqueous electrolyte secondary battery, and method of producing positive electrode
ActiveUS20190280305A1Low heat generationIncrease battery capacityElectrode rolling/calenderingElectrode thermal treatmentPorosityConductive materials
A positive electrode includes at least a positive electrode current collector, a conductive material, and a positive electrode active material. The positive electrode active material is disposed on a surface of the positive electrode current collector. The positive electrode current collector includes an aluminum foil and an aluminum oxide hydrate film. The aluminum oxide hydrate film covers a surface of the aluminum foil. The aluminum oxide hydrate film has a thickness not smaller than 10 nm and not greater than 500 nm. The aluminum oxide hydrate film has a porosity not lower than 10% and not higher than 50%. At least part of the conductive material is disposed within pores in the aluminum oxide hydrate film.
Owner:TOYOTA JIDOSHA KK
Artificial planting method of wild conyza blinii Levl.
InactiveCN110583383AImprove germination rateGood energySeed and root treatmentHarvestersDiseaseWarm water
Disclosed is an artificial planting method of wild conyza blinii Levl.. The method comprises the following steps of (1) seedling raising, wherein seed soaking in warm water and seed soaking in clear water are involved in seed treatment; seeds are put into the warm water at 30-35 DEG C for stirring, fine sandy soil is mixed in during sowing, and stirring is uniformly conducted to make the soil in aloose state; the seeds are soaked for 1-2 days under sunlight illumination, and during sowing, the seeds with water are uniformly stirred; in the sowing stage, spring sowing is conducted from the Beginning of Spring to the Rain Water, and autumn sowing is conducted from August to October; the sowing amount is 1-2 kg per mu; (2) transplanting; (3) field management; (4) disease and pest control; (5) seed collection and reservation, wherein during seed collection, each to-be-collected plant flower is sleeved with a bag-shaped container and gently patted, so that mature seeds are patted into thebag; during seed reservation, in the best growing environment area, a seed field is selected and established through a crop rotation mode; (6) harvesting and processing, wherein from June to Septemberevery year, harvesting is conducted from an early blooming period to a full blooming period, and the harvesting portion is 3-5 cm from the ground. By means of the improved seedling raising technology, the seed germination rate is increased; the best harvesting and seed collection time is determined, and the seed collection and reservation method is perfected; the yield and single-plant saponin content of conyza blinii Levl. plants are increased.
Owner:重庆威迪特药业有限责任公司
Addressing method for slave units in fire detection system
ActiveUS10453320B2Sparsely distributedRobust detectionMultiple digital computer combinationsFire alarmsFire detectionSerial code
A method and system for assigning working addresses to slave units in a vehicle fire system. Slave units responding to a default address are identified along with available working addresses. Individual slave units are isolated at the default address by instructing the slaves to compare their serial numbers to a broadcast serial number until only a single slave responds, wherein bits in the serial numbers are reversed to create a more sparse distribution of the serial numbers of the slave units, and assigning the slave units, which responded to the default address, to the available working addresses.
Owner:JOHNSON CONTROLS TYCO IP HLDG LLP
Tire with Reuleaux triangle inner cavity, and processing method of tire
PendingCN112440622AEven by forceGuaranteed comfortNon-inflatable tyresTyresControl theoryMechanical engineering
The invention discloses a tire with a Reuleaux triangle inner cavity, and a processing method of the tire, and belongs to the technical field of tire processing. According to the tire with the Reuleaux triangle inner cavity, and the processing method of the tire, an inner cavity supporting part is formed in a tire blank strip core part in the circumferential direction of the tire blank strip corepart, and is a Reuleaux triangle inner cavity with a closed longitudinal section, the inner cavity is filled with an elastic medium, the elastic medium is a gas medium or a solid medium so as to achieve both the supporting strength and the riding comfort, a plurality of groups of Reuleaux triangle inner cavities are formed in the tire blank strip core part in the circumferential direction and arein a separated or tangent state in the tire blank strip, and any tip of each Reuleaux triangle inner cavity is centripetally or centrifugally distributed. According to the invention, the positions, the distances and the distribution states of all the Reuleaux triangles are adjusted through factors such as the dead weight, the load, the actual environment, the speed limit and the like of the vehicle, so that the supporting force and the comfort degree in the tire riding process are balanced, and the optimal state is found.
Owner:郁萍
Video image fuzzy anomaly detection method based on machine learning
InactiveCN106203501ASparsely distributedDetect blur issuesCharacter and pattern recognitionColor imageAnomaly detection
The invention discloses a video image fuzzy anomaly detection method based on machine learning and belongs to the technical field of intelligent traffic. The method comprises the following steps of: firstly converting high-definition video color images into grayscale images; manually classifying the converted grayscale images into two categories according to fuzziness and non-fuzziness and calculating the gradient histogram feature of each image; using the gradient histogram features as the classification features, training the classification features by using the support vector machine, and saving the trained parameters; and using the trained parameters to calculate the gradient histogram feature of newly input images and then to calculate the output result of the support vector machine; and judging the image as fuzzy image if the support vector machine is positive or judging the image as a non-fuzzy image if the support vector machine is negative. The video image fuzzy anomaly detection method based on machine learning has strong robustness and can be applied to determining whether the video image has fuzzy problems or not.
Owner:QINGDAO UNIV
Space protection structure for bridge foundation and on rock cone slope
PendingCN109457721AReduce forceLow costProtective foundationClimate change adaptationCouplingAcute angle
The invention provides a space protection structure for a bridge foundation and on a rock cone slope. The space protection structure for the bridge foundation and on the rock cone slope comprises protection piles arranged around a bridge pile foundation, coupling beams arranged at the pile tops of the protection piles, a middle coupling beam among the pile top coupling beams, a retaining wall andinter-pile concrete plates, wherein the protection piles are arranged at the outer side of a bridge pile foundation away from a side slope and the outer side of a bridge pile foundation close to the side slope, of the bridge pile foundation, and the protection piles at the two places are arranged in the shape of a quasi-triangle separately; the protection piles at the outer side of the bridge pilefoundation close to the side slope are distributed in the shape of an acute-angle quasi-triangle; the retaining wall is arranged above the tops of the protection piles; the protection piles at the outer side of the bridge pile foundation away from the side slope are distributed in the shape of an obtuse-angle quasi-triangle; the inter-pile concrete plates are arranged below the tops of the protection piles; the two parts of protection piles distributed in the shape of a quasi-triangle are connected by the pile top coupling beams separately; and the pile top coupling beams are connected by themiddle coupling beam. According to the space protection structure for the bridge foundation and on the rock cone slope, the shear force of the bridge foundation, which is caused due to the slide of arock cone, is eliminated, and the stress stability of the bridge foundation as well as the stability and the smoothness of an upper bridge structure are ensured.
Owner:SOUTHWEST JIAOTONG UNIV
2D/3D registration
ActiveUS10062174B2Avoids complex and analysisImprove computing efficiencyImage enhancementReconstruction from projectionData setMotion parameter
A method includes, following specification of an initial transformation as a test transformation that is to be optimized, determining a 2D gradient x-ray image and a 3D gradient dataset of the image dataset, carrying out, for each image element of the gradient comparison image, a check for selection as a contour point, and determining an environment best corresponding to a local environment of the contour point and extending around a comparison point in the gradient x-ray image for all contour points in the at least one gradient comparison image. Local 2D displacement information is determined by comparing the contour points with the associated comparison points, and motion parameters of a 3D motion model describing a movement of the target region between the acquisition of the image dataset and the x-ray image are determined from the displacement information and a registration transformation describing the registration.
Owner:SIEMENS HEALTHCARE GMBH
A kind of reinforced mortar and preparation method thereof
ActiveCN111847999BRich in natural resourcesReduce porositySolid waste managementAcetic acidCrack resistance
The invention discloses a reinforced mortar and a preparation method thereof, wherein the reinforced mortar comprises cement mortar, carbon dioxide releasing resin balls and calcium carbonate powder. The carbon dioxide releasing resin ball includes superabsorbent resin particles and a carbon dioxide-containing aqueous solution absorbed in the superabsorbent resin particles, and the carbon dioxide-containing aqueous solution is generated by mixing and reacting acetic acid and an aqueous bicarbonate solution. By fixing carbon dioxide inside the mortar, the invention accelerates carbonization, thereby enhancing the mechanical strength of the mortar and improving the crack resistance of the mortar. In addition, calcium carbonate powder is also added, which can effectively accelerate the hydration of cement, improve the strength of the mortar, and at the same time have the effect of fixing carbon dioxide. Moreover, the preparation method of the reinforced mortar is simple, quick, convenient to use, and can be widely processed, prepared and used in various construction environments and processing plants.
Owner:江西奇信集团股份有限公司
Manufacturing method of sapphire crystal copper-clad lining plate and copper-clad lining plate thereof
ActiveCN113755832AAchieve brazingEnhanced ability to adsorb active metal particlesHeat inorganic powder coatingCrystal structureSingle crystal
The invention discloses a manufacturing method of a sapphire crystal copper-clad lining plate. The manufacturing method of comprises the following steps that aluminum oxide and calcium carbonate mixed powder coat on the surface of a sapphire crystal, and sintering is carried out to form a mixed powder adhesion layer; an active metal brazing material layer coats on the surface of the mixed powder adhesion layer; after copper foil is pretreated, the copper foil is sintered on the surface of the active metal brazing material layer to form a copper layer, and finally the sapphire crystal copper-clad lining plate is formed. The interior of the crystal of the sapphire crystal copper-clad lining plate is of a single-crystal structure, the particle contact area is large, and the heat dissipation performance is improved; the improved process realizes tight combination of the copper layer and the crystal, the peel strength is high, the surface voidage is low, and the electrical insulation property is excellent; and the light absorption intensity of the crystal is low, and optical online monitoring of a module chip can be realized.
Owner:XI AN JIAOTONG UNIV
Modified double-toroid secondary enveloping toroid worm gear pair and manufacturing method thereof
InactiveCN102389996BEvenly distributedSparsely distributedToothed gearingsWorm wheelsManufacturing technologyEngineering
Owner:WUHAN UNIV OF SCI & TECH
Multifunctional plastic-wood pavilion
InactiveCN112127662APromote growthDensely distributedSpecial buildingBuilding constructionsStructural engineeringIndustrial engineering
The invention discloses a multifunctional plastic-wood pavilion. The multifunctional plastic-wood pavilion is provided with pavilion stand columns and a pavilion ceiling supported and fixed by the pavilion stand columns, wherein the pavilion ceiling comprises two transverse beams distributed at intervals and a plurality of longitudinal beams distributed at intervals; sliding grooves in the lengthdirection of the transverse beams are formed in the inner side faces of the transverse beams; sliding blocks are arranged on the two end faces of each longitudinal beam; the longitudinal beams and thetransverse beams are assembled by embedding the sliding blocks into the sliding grooves in a matched mode; protective sleeves are detachably installed at the two ends of each transverse beam respectively; and the inner surfaces of the sliding grooves and the outer surfaces of the sliding blocks are coated with anti-skid wear-resistant layers. According to the multifunctional plastic-wood pavilion, distribution of longitudinal plates on the pavilion ceiling can be flexibly adjusted according to actual conditions, and then multiple functions of the pavilion are achieved.
Owner:浙江尚元塑木制品有限公司
AGV layout method and system, electronic device and storage medium
ActiveCN110619493BSparsely distributedSave handling timeLogisticsProcess engineeringComputer science
The invention discloses an AGV layout method and system, electronic equipment and a storage medium. The method includes: selecting a seed point in the storage location set; dividing the storage location points in the storage location set into storage location groups, the cost from the storage location points included in the storage location group to the corresponding seed point is the lowest, and the cost is based on the storage location. The outbound frequency of the location and the distance between the storage location point and the seed point are determined; respectively determine the center point of each storage location group; judge whether the center point of each storage location group is in the same position as the corresponding seed point, and When the positions are the same, the central point of each storage group is used as the parking point of g AGVs, and the AGV is set to be responsible for transporting items from the storage points included in the corresponding storage group. The invention makes the distribution density of the AGV positively correlated with the outbound frequency of the storage point, thereby reducing the handling time of the AGV, improving the handling efficiency of the AGV, and thereby improving the outbound efficiency of the warehouse.
Owner:BEIJING JINGDONG QIANSHITECHNOLOGY CO LTD
Light guide plate, backlight module of liquid crystal display panel, and device for manufacturing light guide plate
InactiveUS10132981B2Extended service lifeReduce energy consumptionMechanical apparatusPlanar/plate-like light guidesLiquid-crystal displayLight guide
Owner:TCL CHINA STAR OPTOELECTRONICS TECH CO LTD
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