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Method for determining indicator diagram of electrical parameters of rod-pumped well
ActiveCN104533382AThe test is convenient and practicalSimple and convenient practical measurementSurveyConstructionsWellheadDecomposition
The invention provides a method for determining an indicator diagram of electrical parameters of a rod-pumped well and belongs to the technical field of oil production of oil fields. The method aims at achieving convenient and practical measurement of the indicator diagram of the electrical parameters of the rod-pumped well on site. The method is characterized in that top dead center moments and bottom dead center moments are determined periodically, active powers of electrical parameters of up strokes and down strokes of the rod-pumped well are processed in a decomposition mode, and input end active power of the up strokes and the down strokes is obtained respectively and are calculated and converted into wellhead loading force; adjustment is conducted through balance blocks for operation balance of a pumping unit, actually measured data are used for further correcting the weights of the crank balance blocks of the oil pumping unit or retrieving the weights of the crank balance blocks after adjustment, actually measured active power is converted into wellhead loading force F<upper force i>, wellhead loading force F<lower force i> and superposed wellhead loading force F<upper and lower force i>, the wellhead loading force F<upper force i>, the wellhead loading force F<lower force i> and the superposed wellhead loading force F<upper and lower force i> are calculated, superposed and converted into wellhead loading force, and the indicator diagram of trends of the electrical parameters is determined before and after superposition with the crank balance blocks. According to the method, on-site testing is convenient and practical, and online automatic measurement is achieved.
Owner:哈尔滨斯特凯峰电子有限公司
Method for slitting, striking and redrying tobacco
The invention relates to a method for slitting, striking and redrying tobacco, which is technically characterized by comprising the following step of: cutting tobacco lead bases with minimum tensile strength, poorest physical processing resistance and poorer perception smoke panel test quality and appearance quality in the tobacco for singly cutting, striking and redrying. The method has the mainadvantages that remained non leaf base tobacco leaves are crushed to be smaller when leaves and stems are separated singly after the tobacco leaf bases are cut for being singly processed, the leaf structures are more uniform after the leaves are separated from the stems, the green and impurity content in the tobacco is reduced, thus the large-medium leaf ratio after the striking is improved, the crushing generated when the leaves are separated from the stems is reduced, the leaf yield is improved, and the purity of the tobacco is increased. After the tobacco is processed by using a slitting, striking and redrying method of the invention, the leaf base smoking quality is better, the fragrance quantity is improved, the smoke explosive force is increased, the smoking comfort is enhanced, andthe impurity gases are reduced, thus the use value of the tobacco can be improved.
Owner:HONGTA TOBACCO GRP
Method for preparing low-polymerization-degree polyformaldehyde dialkyl ether from petroleum fractions and application
ActiveCN102173984AHigh CN valueApparent output ratioOrganic chemistryOrganic compound preparationDistillates petroleumChemical industry
The invention belongs to the technical fields of energy chemical industry and clean diesel components and in particular relates to a method for preparing low-polymerization-degree polyformaldehyde dialkyl ether from main raw materials such as a petroleum C4 component, an alkadiene-removed petroleum C5 component, a catalytic cracking light petroleum 30-90-DEC C fraction low-carbon monoolefine and the like. The structural general formula of the low-polymerization-degree polyformaldehyde dialkyl ether is CnH2n+1O(CH2O)mCnH2n+1, wherein m is an integer from 1 to 5; and n is an integer from 2 to 5. The low-polymerization-degree polyformaldehyde dialkyl ether prepared by the method has a higher CN value, can be applied to diesel fuel widely and effectively without high polymerization degree andhas a relatively simple preparation process. The byproducts petroleum C4 and C5 in the petroleum cracking ethylene process and the catalytic cracking petroleum 30-90-DEC C light fraction serve as theraw materials, so production cost is greatly saved by using low-carbon olefin in the raw materials, a good technical route is provided for comprehensive utilization of a large number of byproducts inthe petroleum cracking process, and remarkable economic significance is achieved.
Owner:DONGFANG HONGSHENG NEW ENERGY APPL TECH RES INST +1
Phycomycete water prawn circulating aquaculture system
ActiveCN103563818AImprove the water environmentIncrease water depthPisciculture and aquariaWater pipePrawn
The invention relates to the technical field of aquatic product aquaculture, in particular to a phycomycete water prawn circulating aquaculture system. The system comprises an aquaculture pond and a water treatment device, wherein a roof which is provided with an illumination intensity adjustable facility and covers the upside of the aquaculture pond is arranged above the aquaculture pond; the pool bottom of the aquaculture pond is gradually inclined from the periphery to the middle; a drainage port is formed in the middle of the pool bottom; an aquaculture area of the aquaculture pond is 400-1,000m<2>; the aquaculture pond is a circle or a chamfered square; the water treatment device consists of a water outlet well, a filter groove, a water return well, a circulating water pump and foam air floatation towers sequentially; the drainage port is connected with the water outlet well by a pipeline; the water outlet well is sequentially connected with the filter groove, the water return wall and the circulating water pump; the circulating water pump is connected with the foam air floatation towers by pipelines; and the foam air floatation towers are connected with tangent water distribution pipes arranged at the periphery of the aquaculture pond by pipelines. The system has the characteristics of low cost, low energy consumption, automatic purification, high yield and the like, and can be widely applied to the industry of intensive aquaculture.
Owner:ZHEJIANG OCEAN UNIV
Rosin production technology process
InactiveCN104342034AImprove melting abilityThere will be no meltingChemical industryTurpentine spiritsSteam pressureTurpentine
The invention discloses a rosin production technology process. The process comprises the following steps: conveying turpentine to a melting boiler, adding water, turpentine oil, and oxalic acid, wherein the weight ratio of turpentine to water to turpentine oil is 2-4:1-2:1, and the oxalic acid accounts for 0.1 to 0.3% of the turpentine weight; heating the boiler to melt the mixture in the boiler; transferring the melt mixture to a transition boiler; introducing the melt mixture into a clarifying boiler after precipitation in the transition boiler, then transferring the liquid to a steaming boiler to carry out steaming, wherein during the steaming process, water and turpentine oil are continuously steamed out from the liquid. The provided rosin production technology process has the following advantages: the turpentine is fully stirred before melting so as to grind the turpentine, thus the turpentine melting effect is improved, at the same time the phenomenon that some turpentine is not melted during the melting process is avoided, and thus the yield is increased; moreover, the metling is reduced, the energy consumption is reduced, and the rosin color will not turn darker; the condensed hot water can be directly applied to the boiler so as to reduce the temperature difference between the inlet water and outlet water, the boiler efficiency is improved, the steam pressure is more stable, and more energy is saved.
Owner:琼中森富松香加工厂有限公司
Vector Controller Of Induction Motor
InactiveUS20080048607A1Reduce unstable areaAvoid unstable areaVector control systemsLinear/angular speed measurementLow speedControl vector
Provided is a vector control apparatus for an induction motor which is capable of obtaining stable rotation in a short period of time for adjustment even at the time of low-speed operation by increasing the SN ratio of an output voltage to suppress the arithmetic error in the primary angular frequency arithmetic value based on a magnetic flux command value calculated from a circuit constant and an actual measurement of the induction motor even in the case where the rotation velocity of the induction motor is lower. The vector control apparatus includes: magnetic flux command value arithmetic means (11) for selecting and outputting the magnetic flux command value on the basis of a torque command value Tmr that is input from the external, the circuit constant of the induction motor, and the actual measurement related to the induction motor; and vector control means (10) for controlling the inverter device (3) on the basis of the magnetic flux command value that is output from the magnetic flux command value arithmetic means (11) and the circuit constant of the induction motor (8). The magnetic flux command value arithmetic means (11) includes a magnetic flux command value back calculation arithmetic section (21) for calculating a magnetic flux command arithmetic value F2RB so that a voltage that is applied to the induction motor 8 becomes equal to or higher than a setting value corresponding to an unstable area.
Owner:MITSUBISHI ELECTRIC CORP
Vector controller of induction motor
InactiveUS7411370B2Increase output ratioReduce areaVector control systemsLinear/angular speed measurementLow speedControl vector
Owner:MITSUBISHI ELECTRIC CORP
Bicycle control apparatus
ActiveUS8777804B2Improve the riding comfort of a bicycleReduce forceHybrid vehiclesElectric propulsion mountingControl theoryVariator
Owner:SHIMANO INC
Single-chip white light LED for visible light communication and preparation method therefor
ActiveCN105405938AIncrease the output ratioEnhanced Spontaneous Emission EfficiencySemiconductor devicesHigh bandwidthSingle chip
The invention discloses a single-chip white light LED for visible light communication. The LED comprises a substrate, a buffer layer, an n type semiconductor layer, a composite luminous region, a p type semiconductor layer, a transparent conductive layer, and a p electrode and an n electrode, wherein the buffer layer is formed on the upper surface of the substrate; the n type semiconductor layer is formed on the upper surface of the buffer layer; one side of the n type semiconductor layer is downwards to form a table surface; the depth of the table surface is less than the thickness of the n type semiconductor layer; the composite luminous region is formed on the upper surface, except the table surface, of the n type semiconductor layer; the p type semiconductor layer is formed on the upper surface of the composite luminous region; the transparent conducive layer is formed on the upper surface of the p type semiconductor layer; and the p electrode and the n electrode are formed on the table surfaces on one sides of the transparent conductive layer and the n type semiconductor layer respectively. The invention also provides a preparation method for the single-chip white light LED for the visible light communication. According to the invention, the single-chip white-light light source with high luminous efficiency and high bandwidth for the dual-waveband visible light communication can be obtained.
Owner:INST OF SEMICONDUCTORS - CHINESE ACAD OF SCI
Process for preparing stress-resistance seaweed fertilizer
InactiveCN1569755AIncrease productionIncrease output ratioOrganic fertilisersSpecific gravityFertilizer
The invention discloses a process for preparing stress-resistance seaweed fertilizer comprising the steps of, (1) airing seaweed, removing impurity substance, (2) charging fresh water, (3) agitating and steeping, decompression concentration, separating high temperature salt by centrifugal separation, (4) disintegrating concentration liquid with dried solid evolution, (5) charging 95% of ethanol into fresh seaweed, (6) squashing the algae, agitating, centrifuging and storing the liquid, (7) removing salt from the solution through compression, (8) cooling down, charging saturated diamino ammonium chromic thiocyanate solution, (9) collecting deposition, (10) mixing the compression liquid, dried solid substance and precipitate homogeneously, (11) spray drying.
Owner:INST OF OCEANOLOGY - CHINESE ACAD OF SCI
Display device
InactiveUS20100110096A1Prevent noise inductionReducing inductive noisePhotometrySolid-state devicesHemt circuitsConductive materials
A light shield (204) for blocking light traveling toward a PIN photodiode (413) from a glass substrate (314) side is formed of a conductive material, and a reference electric potential (Vr−nVoc) equal to that of a cathode of the PIN photodiode (413) is applied to the light shield (204) from a power supply circuit (266). Thus, inductive noise for a photoelectric conversion device used for an ambient light sensor is further reduced in a display device.
Owner:SHARP KK
Adjustment method for operation balance of rod-pumped well
ActiveCN104533349AAchieve balance adjustmentSimple and convenient practical measurementFluid removalWorking fluidOil production
Owner:哈尔滨斯特凯峰电子有限公司
Pneumatic screening machine
InactiveCN101530849AGuaranteed separation effectIncrease output ratioGas current separationBeneficiationWinnowing
The invention relates to mine beneficiation equipment, in particular to mine winnowing equipment. The design adopts a pneumatic structure; the high fall leads the mineral powder to disperse sufficiently; the mineral powder disperses and falls uniformly by a vibration screen; an axial-flow fan blows the mineral powder to a certain distance; as the mineral powder contains various matter elements with different densities, the distances of the blown matters are different, and the linear speed of the movement of the blown matters are also different due to different density. Along the blown distances, due to different densities of the mineral powders, various matter elements with different blown distances and different linear speeds are dropped in different recovery troughs at different distances, thus achieving the separation effect of various matter elements of the mineral powder.
Owner:张士友 +1
High-precision repairing method for three-dimensional printed product
The invention provides a high-precision repairing method for a three-dimensional printed product. The high-precision repairing method is used for repairing an incomplete workpiece by a three-dimensional printing technology and comprises the steps of obtaining a data model of a qualified product; extracting surface covering points of the data model of the qualified product, calculating the coordinates of the surface covering points, and establishing a reference point coordinate set; scanning the incomplete workpiece, and establishing a workpiece data model according to the scanning data; extracting surface covering points of the workpeice data model, calculating the coordinates of the surface covering points, and establishing an actual point coordinate set; analyzing and comparing the reference point coordinate set and the actual point coordinate set, extracting points in the reference point coordinate set to establish a target point coordinate set, and extracting points only in the actual point coordinate set to establish a default point coordinate set; obtaining a repairing object set according to the default point coordinate set and the target point coordinate set, and designing spraying paths according to the repairing objects; spraying to repair the incomplete workpiece according to the spraying paths. The high-precision repairing method for the three-dimensional printed product can precisely and quickly repair the incomplete workpieces.
Owner:HEFEI SKE INTELLIGENT TECH
Multi-robot welding method and system
ActiveCN106393112AGuaranteed non-interferenceOptimal Design StructureProgramme-controlled manipulatorWelding/cutting auxillary devicesSimulationRobot welding
The invention provides a multi-robot welding control method and belongs to the technical field of automatic welding and assembly. The multi-robot welding control method is suitable for controlling multiple robots. The robots comprise multiple robot working groups. Each robot group comprises an individual robot and a neighbor robot corresponding to the individual robot in a centering manner. A mutually-overlapped interference region is formed between a first operation region of each individual robot in operation and a second operation region of the corresponding neighbor robot in operation. The method comprises the steps that the individual robots and / or the neighbor robots send operation requests to a controller; and the controller receives the operation requests and controls the individual robots and the neighbor robots to conduct welding operation on workpieces in the corresponding interference regions according to the operation requests, so that the situation that the individual robots collide with the neighbor robots in the welding operation process is avoided. The multi-robot welding control method has the beneficial effects that the situation that the individual robots and the neighbor robots which operate at the same time do not interfere with each other is guaranteed, and the work efficiency is improved.
Owner:上海燊星机器人科技有限公司
Active boost power converter for single-phase srm
InactiveUS20110069515A1Improve torque characteristicEnhanced efficiencyAc-dc conversion without reversalEfficient power electronics conversionDc link voltageSingle phase
Disclosed is an active boost power converter for driving a single-phase SRM, capable of rapidly establishing excitation current in the excitation mode and reducing tail current and negative torque in the demagnetization mode under the high-speed operation of the SRM. The active boost power converter includes a boost module and a converter module connected to the boost module. The boost module includes first and second capacitors, first and second diodes and a switch device turned on / off to connect the first and second capacitors to each other in series or parallel. The switch device includes an insulated gate bipolar transistor (IGBT). The power converter is operated with first and second input modes and first and second output modes. Voltage of the first capacitor is equal to dc-link voltage and first and second capacitors are controlled to be operated in series or parallel by simply controlling the IGBT.
Owner:KYUNGPOOK NAT UNIV IND ACADEMIC COOP FOUND
Photographing method, terminal and computer readable storage medium
InactiveCN108182031AImprove satisfactionIncrease output ratioInput/output processes for data processingComputer graphics (images)Image generation
The invention discloses a photographing method. The method comprises the steps that a collected original person image is displayed on an image preview interface of a terminal screen, an image adjustment instruction issued by a user for the original person image displayed on the image preview interface is received, a target human body part in the original person image is subjected to image adjustment to generate an adjusted person image according to the image adjustment instruction, the adjusted person image is displayed on the image preview interface, and when a photographing instruction is received, a corresponding taken photograph is generated according to the adjusted person image. The invention further discloses a terminal and a computer readable storage medium. By implementing the scheme, the original person image can be subjected to image adjustment (retouching) before the photograph is taken, so that a finally-generated taken photograph is a retouched photo namely a useful photofor the user, the output proportion of useful photos is increased, and the situation is avoided that memory resources are occupied by useless photos.
Owner:NUBIA TECHNOLOGY CO LTD
Dense-medium dry separation equipment
ActiveCN102974543AImprove stabilityMaintain stabilityGas current separationFluidized bedProcess engineering
The invention discloses a dense-medium dry separation equipment, which comprises a fluidized bed, a tank body, a material guiding and propelling device, an air distribution device, a scraper conveying device and a material taking and screening device, wherein the fluidized bed is used for separating materials; the tank body is used for providing a space and installation equipment for forming of the fluidized bed; the material guiding and propelling device is used for guiding the materials into the fluidized bed along the side end of the fluidized bed to be loosened and layered and propelling the materials to move forwards; according to the air distribution device, compressed air passes through an air distribution plate to acquire pressure difference and is then conveyed into the fluidized bed to be sufficiently, evenly and stably fluidized, and clean coal, middings coal and gangue are separated in an optimal manner; the scraper conveying device is a large-scale scraper conveying device for the dry separation equipment, an anti-deformation measure is adopted by scrapers in order to prevent wider scraper components from deforming, and the separated gangue and middings coal are discharged from the scrapers; and after the materials pass through the separating fluidized bed, the clean coal is taken out from the material taking and screening device at the fluidized bed side, and dense media are screened out and return to the fluidized bed in the material taking process. The dense-medium dry separation equipment disclosed by the invention can overcome the defect of incapability of fluidizing and separating caused by blockage of an air outlet.
Owner:孙刚 +3
Large-scaled breeding technology of scorpions
InactiveCN102144616ARealize large-scale farmingImprove the survival rate of breedingAnimal husbandryScorpionidaeSquare meter
The invention discloses a large-scaled breeding technology of scorpions, which belongs to the field of economic animal breeding. The technical scheme adopted is characterized by the breeding density, wherein the breeding density of the scorpions needs to be appropriate so as to reduce interference among the scorpions; and the appropriate breeding density of every square meter of a scorpion pool is as follows: about 10000 scorpions being 2-3 years old, about 6000 scorpions being 4-5 years old, about 4000 scorpions being 6 years old, about 2000 grown scorpions, and about 500 pregnant scorpions. When the density of the artificially bred is too high, the scorpions are prone to clustering and being piled up to be injured, seriously, intraspecific competition is aggravated, and the scorpions kill one another, so that, the breeding density should be reduced as much as possible, and the reduction can be implemented through the following two ways of: increasing the breeding area, and increasing the amount of the scorpion pools; and improving the space utilization rate, and appropriately increasing height. The large-scaled breeding technology of the scorpions has the following beneficial effects that: the large-scaled breeding of the scorpions is implemented, and the survival rate and the product ratio of the breeding of the scorpions are both improved.
Owner:鞠芳
Air purification method and air purifier
ActiveCN109506331AIncrease output ratioLow costMechanical apparatusSpace heating and ventilation safety systemsQuality dataAir purifiers
Owner:SHENZHEN CHENBEI TECH CO LTD
Three-dimensional high-yield breeding technology for scorpions
InactiveCN107466970ARealize large-scale farmingImprove survival rateAnimal husbandryScorpionidaePlant disease
The three-dimensional high-yield breeding technology for scorpions of the present invention belongs to the field of economic animal breeding, including scorpion breeding methods, feeding and management of scorpions, separate feeding of scorpions, and diseases, predators and prevention of scorpions; the beneficial effects of the present invention are that the yield is high, The survival rate is high, the large-scale breeding of scorpions is realized, and the survival rate and output ratio of scorpion breeding are improved.
Owner:王皓屹
Magnetic recording medium
InactiveUS20040264025A1Increase output ratioDecrease in chip and cuttingBase layers for recording layersAlignment for track following on tapesControl theoryIndentation hardness
Disclosed is a magnetic recording medium which has a high S / N ratio of an output read from a servo signal, few deposits adhered to a head, and a low error ratio. The magnetic recording medium has a magnetic layer which includes a servo band onto which a servo signal for controlling tracking of a magnetic head is written and a data band onto which data are recorded. The servo signal is written onto the servo band which has been magnetized in one direction along length of the magnetic recording medium, by magnetizing the servo band in a direction opposite to the one direction. Further, the magnetic layer has indentation hardness of 60 to 140 Kg / mm<2>.
Owner:FUJIFILM CORP +1
Chinese herbal medicine compound pig feed with effects of enhancing immunity and improving meat quality
InactiveCN103750064APromote conversionIncrease output ratioAnimal feeding stuffBiotechnologyAsiatic pennywort
The invention discloses a Chinese herbal medicine compound pig feed with the effects of enhancing immunity and improving meat quality. The feed is prepared by adopting the following raw materials in parts by weight: 60 parts of corn flour, 40 parts of peanut meal, 50 parts of wheat bran, 50 parts of rice bran, 20 parts of lophatherum gracile, 20 parts of heartleaf houttuynia herb, 20 parts of purslane, 20 parts of Chinese lobelia herb, 5 parts of Chinese prickly ash, 5 parts of platycodon grandiflorum, 5 parts of spina date seed, 5 parts of hairyvein agrimony, 5 parts of lawn pennywort herb, 5 parts of cape jasmine root, 5 parts of hen egg yolk, 5 parts of pinellia tuber, 5 parts of latycodon grandiflorum, 5 parts of agilawood, 5 parts of rose and 5 parts of medicinal evodia fruit. The produced Chinese herbal medicine-containing compound pig feed has the multiple effects of enhancing the disease resistance of pigs, increasing the growth rate and improving the meat quality and has the advantages of high safety factor and no negative impact on human health; the adopted raw materials are low in price and easy to get, so that the production cost is greatly reduced.
Owner:鑫路通(天津)生物科技股份有限公司
Stator-split alternating-current servo motor
InactiveCN104600880AReduce volumeImprove operational reliabilityMagnetic circuit stationary partsEngineeringAlternating current
A stator-split alternating-current servo motor comprises two end covers, an engine base, stators, and a rotor. The stator-split alternating-current servo motor is characterized in that the stators are of a split structure, stator cores (1) are 'H'-shaped, the two ends of the yoke part of each stator core (1) are respectively provided with a bulge (6) and a groove (4) matched with the bulge (6), a winding (3) is directly wound on the tooth part of each stator iron core (1), and multiple split stators are combined and assembled into a whole. The cost, energy and raw materials are greatly reduced, the efficiency is improved, and the size of the motor is greatly reduced.
Owner:河南超微电动汽车有限公司
Hot runner carbon fiber direct-shaping technique of vanes of wind driven generator
The invention discloses a hot runner carbon fiber direct-shaping technique of vanes of a wind driven generator, which is implemented by steps of die assembly, injection, die maintenance and die sinking. In the injection step, raw materials fused in hot runner enter into the die cavity from at least five nozzles; the five nozzles are arranged along the length direction of the die cavity; the temperature of the raw materials passing through each nozzle is gradually increased by 3-5 DEG C from tip of the vane to the root of the vane of the wind driven generator correspondingly, ranging within thetemperature scope of fusion state of the raw materials.
Owner:苏州浩威尔精密机械工程有限公司
Display device
InactiveUS20100059660A1Detection errorAccurate detectionPhotometry using reference valueStatic indicating devicesLiquid-crystal displayDisplay device
In a liquid crystal display device (1), (i) regions where respective detecting devices (201) are provided and (ii) regions where respective reference devices (202) are provided are separately arranged so as to be alternated along a frame. In each region, a predetermined number of PIN photodiodes (413) are connected in series and in parallel. In the whole of the first regions, (i) a series connection of n PIN photodiode(s) and (ii) a predetermined number of parallel connections are provided; in the whole of the second regions, (i) a series connection of n PIN photodiode(s) and (ii) a predetermined number of parallel connections are provided. Thus, even in a case where there is a great variation in the characteristics of photoelectric conversion device elements in a display panel which photoelectric conversion device elements configure a photoelectric conversion device, an intensity of ambient light can be detected accurately in the display device.
Owner:SHARP KK
Magnetic field detecting device
ActiveUS20150234017A1SensitiveIncrease output ratioVoltage/current isolationMagnitude/direction of magnetic fieldsPhysicsDamped oscillations
A magnetic field detecting device which comprises a magnetic impedance sensor including a magnetic impedance element 1 in which a detecting coil 11 wound around an amorphous wire 10 for detecting and outputting the external magnetic field around the amorphous wire at a rise time and a fall time of the pulse current in case of the pulse current is applied to the amorphous wire and a signal processing device 3 includes two sample-hold circuit 31, 32 for respectively sample-holding the alternate current damped oscillation voltage at the rise time and the fall time of the applied pulse current, wherein the output signal in response to the external magnetic field around the amorphous wire is output based on the detected two alternate current damped oscillation voltages output at the rise time and the fall time of the pulse current.
Owner:AICHI STEEL
A multi-dimensional representation method of farmland field information
InactiveCN109670002AIncrease output ratioRealize water savingData processing applicationsClimate change adaptationMulti dimensionalMeteorological satellite
The invention relates to a multi-dimensional representation method of farmland field information, which comprises the following steps of acquiring farmland geographic information of farmland field expressed by pixels through a satellite remote sensing image, and storing the farmland geographic information in a farmland field database in a character type data structure; obtaining farmland meteorological information of a set order of magnitude of field parcels through the meteorological satellite image, and storing the farmland meteorological information in the farmland parcels database in a data format; obtaining the farmland field operation information through various sensors installed on agricultural machinery, and sending the farmland field operation information through interfaces of thevarious sensors and stored in the farmland field database; and regenerating the farmland geographic information, the farmland meteorological information and the farmland field operation information stored in the farmland field database into multi-dimensional farmland field information, storing the multi-dimensional farmland field information in the farmland field database, and displaying the multi-dimensional farmland field information.
Owner:CHINESE ACAD OF AGRI MECHANIZATION SCI
Reconfigurable magnetic logic device and preparation method therefor
ActiveCN106374034AFair priceLow working magnetic fieldMagnetic-field-controlled resistorsSolid-state devicesMagnetic logicRoom temperature
The invention belongs to the technical field of spintronics and devices, and particularly relates to a reconfigurable magnetic logic device and a preparation method therefor. The magnetic logic device comprises a magnetic unit and a differential negative conductive device; the magnetic unit comprises three electrodes which are manufactured on the surface of a magnetic thin film based on a certain geometrical shape; the electrodes are divided into input electrodes and output electrodes; and one end of the differential negative conductive device is connected with the output electrodes of the magnetic unit while the other end of the differential negative conductive device is grounded. The magnetic logic device can realize four kinds of basic logic operation at a room temperature in a low electric field; and in addition, the magnetic logic device has the characteristics of quite high output ratio and low working magnetic filed. The magnetic logic device is industrially compatible with a silicon-based semiconductor, excellent in performance, simple in structure, moderate in raw material cost, and environment-friendly.
Owner:TSINGHUA UNIV
Method and system for enhancing the performance of a fixed focal length imaging device
InactiveUS6963669B2Easy to fixIncrease output ratioImage enhancementCharacter and pattern recognitionImage resolutionVariable resolution
Owner:BAE SYST INFORMATION & ELECTRONICS SYST INTERGRATION INC
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