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165results about How to "Reduce or eliminate the impact" patented technology
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Capacitive touch sensor and touch control terminal and anti-interference method and system thereof
ActiveCN102841715AEasy to controlReduce or eliminate the impactInput/output processes for data processingCapacitanceInterference fit
The invention relates to the technical field of a touch sensor, and provides an anti-interference method. The method includes the following steps: a touch control terminal is judged if the touch control terminal enters into a charging state, if the touch control terminal enters into the charging state, then follow-up procedures are carried out; interference is detected; when an interference according with a first preset condition is detected, then a touch screen driving frequency is selected to trip off interference frequency. The invention further provides an anti-interference system, a capacitive touch sensor and a touch control terminal. The capacitive touch sensor, the touch control terminal and the anti-interference method and the system thereof detect interference after the touch control terminal enters into the charging state, when the interference fitting the preset condition is detected, the touch screen driving frequency is selected to trip off the interference frequency, so that influences to touch control operation by common mode interference generated when the touch control terminal is connected with a charger and charged can be reduced or eliminated.
Owner:SHENZHEN GOODIX TECH CO LTD
Air conditioner and control method thereof
ActiveCN109237746AReduce or eliminate the impactImprove accuracyMechanical apparatusSpace heating and ventilation safety systemsEngineeringAir temperature
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +1
Instrument for measuring haemoglobin concentration and blood oxygen saturation and measuring method
ActiveCN102920464AReduce or eliminate the impactAccurate measurementDiagnostic recording/measuringSensorsLaser sourceOptical detector
The invention discloses an instrument for measuring haemoglobin concentration and blood oxygen saturation and a measuring method, and belongs to the technical field of medical detection. The instrument comprises a laser modulation unit, a control and data acquisition unit, an optical detector unit, a data processing and display unit and a photo sensor; the laser modulation unit can emits near infrared laser with more than two wavelengths, laser of each wavelength is modulated by two radio frequency signals with different frequencies, and the output end of a laser source is connected with the input end of the photo sensor through a multiway multiplexing optical switch; the optical detector unit detects phase shift of radio frequency and intensity attenuation of laser modulated by different radio frequencies; and after being collected, data are sent to the data processing and display unit, so that absorption and scattering coefficient of haemoglobin is obtained after calculation, information of haemoglobin concentration and blood oxygen saturation is obtained through conversion, and then the data are stored and displayed. The invention has the advantage that influence of various interferences on the result can be reduced or eliminated, so that the haemoglobin concentration and the blood oxygen saturation can be measured more accurately.
Owner:YANGZHOU AOTAI PHOTOELECTRIC BIOLOGICAL TECH CO LTD
Image processing method, image processing device and electronic device
InactiveCN105450923AThe impact of shooting quality is reduced or eliminatedImprove shot qualityImage enhancementTelevision system detailsImaging processingImaging analysis
The embodiment of the present invention provides an image processing method, an image processing device and an electronic device. The image processing device comprises: a scene determination part configured to determine the scene of an image; an image analysis part configured to analyze the image to determine the degree of influence of the scene on the camera quality of the image; an image processing part configured to perform the correction process of the image according to the degree of influence. According to the embodiment of the present invention, the correction process of an image is carried out according to the degree of influence of a scene on the camera quality of the image, and the degree of influence is reduced or eliminated, therefore the camera quality of the image may be improved.
Owner:SONY CORP
Conveying mechanism for comprehensively controlling weight, weight verification system and weight verification method
InactiveCN106315211AReduce or eliminate the impactEliminate human errorWeighing apparatus testing/calibrationConveyor partsEngineeringVerification system
The invention provides a conveying mechanism for comprehensively controlling a weight. The conveying mechanism comprises two door-shaped beams arranged side by side, and a horizontal transverse beam; a vertical longitudinal beam is arranged on the horizontal transverse beam; a manipulator is arranged at the end part of the vertical longitudinal beam; Y-axle guide mechanisms are respectively arranged on the two door-shaped beams; the horizontal transverse beam is provided with an X-axle guide mechanism; the vertical longitudinal beam is provided with a Z-axle guide mechanism; joint parts are respectively arranged on the X-axle guide mechanism and the Z-axle guide mechanism; and the manipulator includes a rotating section, multiple manipulators respectively connected with the rotating section, and a manipulator motor for driving the rotating section to rotate by 360 degrees. The manipulator has a single large fork with two stations, two large forks with four stations, a single small fork with two stations and double small forks with four stations; and each fork is a comb-shaped structure. The whole weight verification process is operated by set procedures, so that the personal error is eliminated, and the influence of linear drifting of a qualitative comparison instrument on the measurement result is effectively reduced or eliminated.
Owner:SHANDONG MEASUREMENT SCI RES INST +1
Soil evaporation potential measuring method and device
InactiveCN102305751AReduce or eliminate the impactEasy to measureWeighing by removing componentInterference factorEvaporation
The invention relates to a soil evaporation potential measuring method which comprises the following steps: original soil is contained in an outer sleeve and connected with a water pressure constant device for ensuring the constancy of soil water; an inner barrel is installed in the soil; the bottom of the inner barrel is provided with a weighing sensor and the water pressure constant device; theweighing sensor is connected with a reading meter; a measuring barrel for containing original soil and the water pressure constant device is arranged on the weighing sensor in the inner barrel; the mass change induced by the weighing sensor is obtained by the reading meter; and the mass difference after fixed time interval is the soil evaporation amount of the time interval. The method ensures that the soil evaporation measurement eliminates the interference factor influence as much as possible and only embodies the influence of the soil surface characteristics and evaporation environment, and a measuring value approaches the soil potential evaporation amount of the soil. The method can use the devices which comprise the outer sleeve, the inner barrel, the measuring barrel, a water supplypipe A, a connecting pipe, a Marriott bottle A, the weighing sensor, the weighing reading meter, a Marriott bottle B and a water supply pipe B and has the advantages of simple structure and convenience in use.
Owner:BEIJING NORMAL UNIVERSITY
Ground nephogram identifying method solving problem of insensitiveness in illumination
InactiveCN103246894AReduce or eliminate the impactImprove recognition rateImage enhancementCharacter and pattern recognitionCluster algorithmFeature extraction
The invention discloses a ground nephogram identifying method solving the problem of insensitiveness in illumination. An Retinex algorithm is applied to reduce or eliminate the influence of sun light on a nephogram sample and obtain an enhanced nephogram image sample, so that the relevant characteristics of illumination invariants can be extracted easily, and the identifying rate of the nephogram can be increased; a clustering algorithm is applied to separate a cloud target from a background, and only the characteristic of the cloud target is extracted, and the characteristic value is computed for the identification of the cloud, so that the identifying accuracy is increased; an AdaBoost integration algorithm is applied to integrate a plurality of independent categorizers trained through the adoption of an SVM learning algorithm, parameters of the SVM algorithm are reasonably adjusted during the process of training data to enable the trained categorizers to have diversity, so that the nephogram identifying accuracy is increased, and the generalization performance is improved to a large extent.
Owner:NANJING UNIV OF INFORMATION SCI & TECH
Biological specimen storage device
ActiveCN107914969AReduce lossReduce or eliminate the impactDomestic cooling apparatusLighting and heating apparatusEngineeringBio-Specimen
The invention discloses a biological specimen storage device which comprises a specimen storage cabinet, a specimen transferring tank and a specimen storage box, wherein the specimen storage cabinet comprises a cabinet body and a cabinet gate; the cabinet body comprises a shell, a heat-preservation layer and a thermal insulating plate; the heat-preservation layer is wrapped by the shell; the shellis fixedly connected with the outer wall of the heat-preservation layer; and the thermal insulating plate is fixedly connected with the inner wall of the heat-preservation layer and is used for partitioning a cavity of the inner layer of the heat-preservation layer into a low-temperature storage cavity and a normal-temperature storage cavity. By adopting the biological specimen storage device, the phenomenon that external air is fed into the cabinet body when specimens are stored or taken out by specimen storage operators is avoided, furthermore the gas environment inside the cabinet body isslightly changed, the influence upon temperatures inside the cabinet body is reduced when biological specimens are stored and taken out by specimen operators, and meanwhile bacteria in environments outside the cabinet body can be prevented from entering the cabinet body.
Owner:崔洋
Civil engineering structure damage pre-warning method in consideration of temperature influence
ActiveCN103646177AReduce or eliminate the impactTheoretical rigorSpecial data processing applicationsElement modelStructure health monitoring
The invention relates to the field of civil engineering structure damage identification, in particular to a civil engineering structure damage pre-warning method in consideration of a temperature influence. An AR model in time series analysis and principal component analysis in multivariate statistical analysis are utilized, and a standard deviation control chart is combined for structure pre-warning research. Firstly, accelerated speed response data before and after structure damage are fit by the AR model, and a model coefficient is extracted; secondarily, the influence of temperature on the AR model coefficient is removed through principal component analysis; and finally, damage pre-warning is performed by using a standard deviation control chart. The pre-warning method is rigorous in theory, novel, reasonable in scheme and high in operability. The civil engineering structure damage pre-warning method has the advantages that accelerated speed response is directly used, a finite element model and modal parameters are not required, and the method belongs to a data driving method and is suitable for performing structure health monitoring in real time; and simultaneously, according to the method, under the condition of temperature change, the damage pre-warning is successfully performed through the anti-noise capacity.
Owner:QINGDAO TECHNOLOGICAL UNIVERSITY
Battery pack for guiding discharge of thermal runaway gas and new energy automobile
InactiveCN110364644AReduce or eliminate the impactSmall-sized cells cases/jacketsLarge-sized cells cases/jacketsNew energyElectrical battery
The invention aims to provide a battery pack for guiding the discharge of a thermal runaway gas and a new energy automobile so as to achieve an effect of timely discharging the thermal runaway gas sprayed out by a lithium battery during the thermal runaway period. The battery pack for guiding the discharge of the thermal runaway gas comprises a lower box body and a plurality of battery modules installed in the lower box body, wherein the lower box body is provided with a gas flow channel communicated with the atmosphere; each battery module includes a shell and a plurality of single batteriesinstalled in the shell, each shell is provided with a module gas flow channel communicated with the gas flow channel and single battery gas flow channels arranged corresponding to the single batteries, and the plurality of single battery gas flow channels in each shell are communicated with the module gas flow channel; and the thermal runaway gas sprayed out by each single battery during the thermal runaway period is discharged to the atmosphere sequentially through the corresponding single battery gas flow channel, the module gas flow channel and the gas flow channel.
Owner:深蓝汽车科技有限公司
Compensating device for synchronous rectification control and method thereof
The invention discloses a compensating device arranged at a circuit comprising a synchronous rectification switch, a controller and a load, and a method thereof, wherein the synchronous rectification switch comprises a first end, a first inductor, a second end and a second inductor, wherein the first inductor is electrically connected in series with the first end, the second inductor is electrically connected in series with the second end, the controller is coupled with the first inductor and the second inductor, in addition, the device comprises a voltage source, and the voltage source comprises a positive electrode end and a negative electrode end, wherein the positive electrode end is coupled with the controller, and the negative electrode is coupled with the second inductor; and the compensating device is used for providing a compensating voltage so as to eliminate or reduce the influence on a voltage value between the first end and the second end caused by the first inductor and the second inductor.
Owner:DELTA ELECTRONICS INC
Method and system for eliminating direct wave interference in acoustic logging, and acoustic logging instrument
InactiveCN103388473AReduce or eliminate the impactIncrease authenticitySurveyCorrelation coefficientTime domain
The invention relates to a method and a system for eliminating direct wave interference in acoustic logging, and an acoustic logging instrument. A transmitting transducer of the acoustic logging instrument transmits logging acoustic waves to two or more receiving transducers; the receiving transducers receive the logging acoustic waves; as for each receiving transducer, the time and slowness related coefficient of the logging acoustic waves is solved out by virtue of scanning in a time domain and a slowness domain, so that a time and slowness related coefficient spectrum is formed; the time and slowness related coefficient spectrum is researched; by virtue of researching a peak value, the slowness of each mode wave of a stratum is determined; the time that each mode wave arrives at the receiving transducers is determined according to the slowness, so that logging analysis data can be provided, wherein the consistency of direct waves received by each receiving transducer is damaged, and the correlation coefficient of the direct waves is reduced, so that the reality and accuracy of useful logging data are realized.
Owner:CNPC GREATWALL DRILLING ENG
Self-adaptive nuclear density robust state estimation method for power system
InactiveCN104866714AFast convergenceReduce or eliminate the impactSpecial data processing applicationsState of artEstimation methods
The invention relates to a self-adaptive nuclear density robust state estimation method for a power system. The self-adaptive nuclear density robust state estimation method comprises the following steps: 1) reading network parameters, measured data and standard deviation thereof of the power system; 2) dividing the power system into M observable islands according to the network parameters; 3) performing state estimation on each observable island in sequence: a, establishing a self-adaptive nuclear density robust state estimation mathematical model; and b, dissolving the self-adaptive nuclear density robust state estimation mathematical model by adopting a Newton iteration method to obtain the state estimation results of each observable island. Compared with the prior art, the self-adaptive nuclear density robust state estimation method has the advantages of being good in convergence, good in robust capacity, capable of realizing smooth step-by-step recognition of suspicious data and the like.
Owner:TONGJI UNIV
Image interpolation method and device based on direction detection
InactiveCN101122998AReduce or eliminate the impactEffective correctionGeometric image transformationDetails involving image processing hardwarePattern recognitionComputer graphics (images)
The invention belongs to an image interpolation method. In order to solve the problem of direction judgment errors caused by external interference in existing direction interpolation methods, the present invention provides an accurate direction detection-based image interpolation method and device. The image interpolation method based on direction detection includes the following steps: a. performing interpolation direction detection on pixels to be processed to obtain interpolation direction information of pixels; b. using the results of interpolation direction detection to perform interpolation on pixels to be processed, which also includes steps a and b. Step a' between steps: use the interpolation direction information of adjacent pixels of the pixel to be processed to correct the result obtained in step a; in step b, use the edge interpolation corrected in step a' to interpolate the pixel to be processed to the detection result. The invention can reduce or eliminate the influence of external interference such as noise on the interpolation direction detection result, and obtain more accurate interpolation result.
Owner:POWERLAYER MICROSYST HLDG
Multiband ultraviolet illuminometer free of light filter
InactiveCN1828241AHigh measurement accuracyReduce volumePhotometry electrical circuitsPhysicsWave band
The disclosed illuminometer comprises: an UV detector with three AlGaN-base elements A, B, and C with different band response; a front-end amplifying circuit, a programmable band-selection and calculation circuit, an ADC, and a MCU with control input end connected to a keyboard and control output end connected to the input end of former circuit and a LCD display.
Owner:UNIV OF SHANGHAI FOR SCI & TECH +1
Nano-bentonite composite flame-retardant polyhydroxybutyrate bioplastic and preparation method thereof
The invention discloses a nano-bentonite composite flame-retardant polyhydroxybutyrate bioplastic and a preparation method thereof. The nano-bentonite composite flame-retardant polyhydroxybutyrate bioplastic comprises, by weight, 50-85% of polyhydroxybutyrate, 5-30% of a nano-bentonite composite flame-retardant, 0.1-5% of a processing assistant, 5-25% of degradable toughened resin, 0.1-5% of a coupling agent and 0.1-5% of a grafting agent. The preparation method comprises the following steps of drying the polyhydroxybutyrate, degradable toughened resin and nano-bentonite composite flame-retardant, adding the coupling agent into the above materials, carrying out activation by a high-rate mixer, mixing the mixture with the processing assistant and the grafting agent to obtain a uniform mixture, carrying out fusion extrusion by a double screw extruder and carrying out cooling, air-drying and grain-sized dicing. The nano-bentonite composite flame-retardant polyhydroxybutyrate bioplastic satisfies flame retardation standard of UL94V-0 level and retains mechanical properties and processing performances.
Owner:江苏嘉铂新材料有限公司
Fabricating method for semiconductor device
ActiveCN101295674AReduce thicknessThe process steps are simpleSemiconductor/solid-state device manufacturingEngineeringSemiconductor
A manufacture method for a semiconductor apparatus includes the following steps of: providing a semiconductor underlay with a first area and a second area; forming polysilicon layers on the semiconductor underlay; reducing the thickness of the polysilicon layer of the second area to lead the thickness of the polysilicon layer of the second area to be less than that of the first area; patterning the polysilicon layers of the first area and the second area; forming a first grid in the first area and forming a second grid in the second area. The technique of manufacturing the grids with different thicknesses of the method is simpler.
Owner:SEMICON MFG INT (SHANGHAI) CORP +1
Method for preparing rare earth doped transparent halide glass host material
The invention provides rare earth doped transparent halide glass used for three-dimensional optical data storage and a preparation method thereof. The invention is characterized in that the glass comprises the following compositions in mol percentage: 25 to 40 percent of AlF3, 5 to 65 percent of MF2, 1 to 15 percent of MX2, 10 to 20 percent of YF3, and 0.1 to 1 percent of ReF3, wherein, M represents one or a plurality of divalent alkaline earth ions of Mg<2+>, Ba<2+> and Sr<2+>; X is one or two kinds of ions of Br<-> and Cl <->; and Re is one or a plurality of trivalent rare earth ions of Sm<3+>, Tb<3+>, Eu<3+> and Ce<3+>. The transparent halide glass can be prepared after the compositions are melted in a high-frequency electric furnace for 10 to 45 minutes at a temperature of between 800 and 1,000 DEG C and are cooled under an atmosphere protection of chlorine or inert gas. The rare earth doped transparent halide glass reduces the threshold value of rare earth ion valence variation energy under the action of femtosecond laser in a glass medium, is more beneficial for information writing of the femtosecond laser, and reduces the absorption of an infrared band optical signal of a glass material, thereby having better illumination intensity.
Owner:KUNMING UNIV OF SCI & TECH
Ice-surface oil-resistant non-slip shoe material and preparation method thereof
The invention discloses an ice-surface oil-resistant non-slip shoe material and a preparation method thereof, and relates to the technical field of shoe materials. The shoe material is prepared from butyl rubber, butadiene rubber, nitrile rubber, solution polymerized styrene-butadiene rubber, white smoke, zinc oxide, an anti-ageing agent, a plasticizer, a silane coupling agent and a vulcanizationaccelerator. The shoe material prepared through the formula is combined with the specific pattern of an outsole and integrally formed or adhered to the outsole, and the obtained sole has the advantages of being resistant to oil and slip, good in mechanical performance, free of fog return and the like. The anti-slip performance is excellent, and the shoe material is suitable for being used on the ice and snow ground.
Owner:WENZHOU YIHE SHOE MATERIAL CO LTD
Mobile phone message feedback configuration for vehicle during driving process
InactiveCN105049586AReduce or eliminate distractionsReduce or eliminate the impactSubstation equipmentWireless commuication servicesEngineeringControl theory
The present invention provides a mobile phone message feedback method for a vehicle during the driving process. A mobile phone is arranged in a vehicle. The method comprises the steps of acquiring the driving speed of the vehicle by means of the mobile phone arranged in the vehicle; and in response to the condition that the driving speed of the vehicle exceeds a preset first threshold, preventing the application program of the mobile telephone from sending out a feedback of a prompt message. Based on the above method, the feedback of the prompt message sent by one or more application programs of the mobile phone is limited based on the driving speed of the vehicle during the driving process, so that the interference and the influence of the feedback of the prompt message can be reduced or even eliminated for the driver of the vehicle during the driving process. The interference and the influence can be reduced or even eliminated especially for new drivers or drivers that drive at a high speed.
Owner:NANJING UNIV OF SCI & TECH
Microscopic CT motion error correction method for rotating shaft
ActiveCN103759681AIncrease spaceHigh precisionMaterial analysis using wave/particle radiationUsing wave/particle radiation meansNumerical controlComputed tomography
The invention relates to the field of application of numerical control machining and measurement equipment in order to improve the three-dimensional space resolution of a microscopic CT reestablishment result, and a measurement method is simple, practical and reliable. Thus, according to the adopted technical scheme, a microscopic CT motion error correction method for a rotating shaft includes the following steps that first, displacement sensors and a reference cylinder are additionally arranged on a rotating sample platform in a microscopic CT so as to monitor the error motion of the rotating shaft; second, the machining error and the mounting error of the reference cylinder in the sample platform with the rotating shaft error motion measurement function can be calibrated; third, in the CT scanning process, measured values of three sensors are simultaneously collected when all projected images are collected; fourth, the position errors of all the projected images caused by the motion error of the rotating shaft are solved; fifth, the position errors of all the projected images are corrected and the projected images are reestablished three-dimensionally. The microscopic CT motion error correction method for the rotating shaft is mainly applied to the numerical control machining and measurement equipment.
Owner:TIANJIN UNIV
Single-phase earth fault phase selection method for power distribution network
ActiveCN110988604AHigh phase selection reliabilityReduce or eliminate the impactFault location by conductor typesPhase currentsAlgorithm
The invention provides a single-phase earth fault phase selection method for a power distribution network. The method comprises the following steps: sampling three-phase currents on the low-voltage side of a bus transformer before and after a fault occurrence moment after the single-phase earth fault occurence; subtracting the current sampling data before the fault moment from current sampling data after the fault moment of each phase to obtain current fault break variable data of each phase; normalizing the measured current break variable of each phase, and calculating an inter-phase currentbreak variable similarity coefficient by using a Hausdorff algorithm; calculating the phase average similarity; calculating a phase fault evaluation index that is specifically the sum of absolute values of difference values of the average similarity of the phase and the average similarity of the other two phases; and finally, determining a fault phase judgment threshold. The feeder with the faultevaluation index higher than the fault phase judgment threshold is a fault phase. According to the method, the rapidity and accuracy of single-phase earth fault phase selection of the power distribution network are improved.
Owner:WUHAN UNIV OF TECH
Zero-crossing detection circuit, zero-crossing detection method and switching power supply circuit
PendingCN110707925AIncreased sensitivityReduce or eliminate the impactEfficient power electronics conversionCurrent/voltage measurementSignal responseHemt circuits
The invention discloses a zero-crossing detection circuit, a zero-crossing detection method and a switching power supply circuit. The zero-crossing detection circuit is used for providing a zero-crossing indication signal according to a to-be-detected signal. The to-be-detected signal responds to inductive current provided by the inductor; the inductor is charged when the power switch tube is switched on and discharged when the power switch tube is switched off so as to realize follow current, and the zero-crossing detection circuit comprises a detection unit for judging whether the current ofthe inductor is reduced to zero or not according to a zero-crossing reference value and the to-be-detected signal and providing a zero-crossing indication signal for representing a judgment result; and an adjusting signal generating unit which is used for detecting the follow current time of the inductor and adjusting the zero-crossing reference value according to the follow current time. The zero-crossing detection function can be optimized under the condition that the output voltages of the switching power supply circuit are different so as to prevent abnormities such as interference and detection failures.
Owner:HANGZHOU SILAN MICROELECTRONICS
Breeding method for highly-disease-resistant egg-laying pigeons
The invention relates to a breeding method for highly-disease-resistant egg-laying pigeons. Two strains such as wild wood pigeons and high-laying-rate Thaxon pigeons are selected as progenitors, advantages of genes of the two strains are utilized, and the highly-disease-resistant egg-laying pigeons are fixedly bred by means of multiple crossbreeding and crossing. The egg-laying pigeons bred by the method are high in laying ability and inherit the characteristic of high disease resistance of the wild pigeons, so that production quality is lowered, and quality of pigeon eggs is improved greatly.
Owner:湖南全民鸽业有限公司
Immunomagnetic bead containing OmpU antibody, preparation of immunomagnetic bead and method for capturing pathogenic vibrios and detecting pathogenic vibrios through multiplex PCR by utilizing immunomagentic bead
InactiveCN105859883AQuick checkFast, accurate and efficient detectionMicrobiological testing/measurementImmunoglobulins against bacteriaAntigenMultiplex pcrs
The invention relates to an immunomagnetic bead containing an OmpU antibody, preparation of the immunomagnetic bead and a method for capturing pathogenic vibrios and detecting the pathogenic vibrios through multiplex PCR by utilizing the immunomagnetic bead. PCR amplification of an OmpU gene is conducted by taking genomes of the vibrios as templates, pure OmpU recombinant protein is obtained to serve as an antigen to prepare the antibody, and the immunomagnetic bead containing the OmpU antibody is prepared through the coupling-washing process; the immunomagnetic bead can capture multiple vibrios, and then the vibrios are identified by multiplex PCR specific primers which are designed on the basis of a danJ gene. The immuomagnetic bead can simultaneously detect the vibrio parahaemolyticus, the vibrio cholera, the vibrio alginolyticus, the vibrio vulnificus and the vibrio mimicus at most and can be widely applied to environment and import and export food inspection. The immuomagnetic bead combines the specificity of immune separation and the high efficiency of PCR amplification, has the capacities of separation, concentration and enrichment, can efficiently separate and enrich the low-concentration pathogenic bacteria in a sample, reduces or eliminates inhibition and influences of the sample to PCR, improves detection limitation and has the very good application prospect.
Owner:SHANTOU UNIV
Calibration circuit and method
PendingCN109743036ASimple designReduce or eliminate the impactImpedence networksCapacitanceCharge current
The embodiment of the invention discloses a calibration circuit and method. The method comprises the following steps: determining a plurality of calibration states according to a charging current, anaccess state of a capacitor in an integrating circuit and an input end input signal state of a voltage comparator; In each calibration state, enabling the digital control circuit to generate a digitalcontrol signal according to the voltage comparison signal output by the voltage comparator; In each calibration state, when the reference voltage and the charging voltage are in an equal or set difference range under the control of the digital control signal, determining a calibration digital control signal corresponding to each calibration state; And obtaining a final calibration signal from thecalibration digital control signals corresponding to all the calibration states according to a preset processing strategy.
Owner:广州全盛威信息技术有限公司 +1
Nintedanib inclusion compound and preparation and preparation method thereofof preparation
PendingCN108144069AImprove solubilityImprove bioavailabilityOrganic active ingredientsPill deliveryTherapeutic effectPharmaceutical Aids
The invention provides a Nnintedanib inclusion compound and preparation and a preparation method thereofof the preparation. The inclusion compound comprises a main drug and an inclusion material, wherein the main drug is Nnintedanib or pharmaceutically acceptable salt in pharmacy, and the inclusion material is cyclodextrin or a derivative of cyclodrxtrin. The inclusion compound can sharply improvethe drug solubility of a simulated intestinal solution, the probability of the drug being separated out in the intestinal canal is lowered, and accordingly the bioavailability of the drug is improved. The inclusion compound and the preparation prepared from the inclusion compound and pharmaceutically acceptable ingredients in the pharmacy can outstandingly improve the dissolution degree and the dissolution rate of the drug in the simulated intestinal solution, the bioavailability of the drug is improved, meanwhile, the inclusion compound and the preparation have good stability, thus the flexibility and compliance of drug taking of patients are improved, and accordingly the treatment effect of the drug is improved. In addition, the invention provides a preparation method of the medicinal preparation of the Nnintedanib inclusion compound, no specific equipment is needed, the technology is simple, the production cost is low, and the preparation method is suitable for industrialized production.
Owner:SUNSHINE LAKE PHARM CO LTD
Chalk prepared from shell powder
The invention discloses a chalk of shell powder, which comprises the following steps: grinding scallop, oyster shell, sea urchin shell and strombuliform shell into powder; sintering shell powder as raw material or without sintering; adopting sintered shell powder to prepare chalk; or adding titanium dioxide, plaster powder, calcium sulfate, large-powder, calcium carbonate, barium sulfate and lime powder in the non-sintered shell powder to prepare chalk; adding kinds of dye to form colorful chalk.
Owner:张凯
Ultra-weak fiber grating optical cable used for water temperature monitoring
PendingCN110632720ASuppress cumulative distributionPrevent infiltrationThermometers using physical/chemical changesFibre mechanical structuresFiberResidual strain
An ultra-weak fiber grating optical cable used for water temperature monitoring comprises an ultra-weak fiber grating array located at the center; an grease layer uniformly covering the ultra-weak fiber grating array in the axial direction; a metal tube wrapping the periphery of the ultra-weak fiber grating array and the grease layer; a reinforcing member for twisting surrounding in a spiral formaround the metal tube; and a sensor mark coated on the outside of the reinforcing member. The grating optical cable uses the metal tube to directly encapsulate the ultra-weak fiber grating array. By filling a small amount of grease along the grating array, the cumulative distribution of the remaining length of the fiber is suppressed, and the impact of the residual strain in the sensing fiber is reduced or eliminated while preventing water vapor from infiltrating the fiber. The ultra-weak fiber grating temperature-sensing optical cable manufactured by the method has a linear correlation of thecalibrated temperature curve of more than 0.999 and a temperature sensitivity fluctuation of less than 0.3pm / DEG C.
Owner:宜昌睿传光电技术有限公司
Spectrum measurement system, spectrum measurement device, optical measurement method and optical correction method
ActiveCN108318137AReduce or eliminate the impactImprove Luminous Flux AccuracyRadiation pyrometrySpectrum investigationComputational physicsMeasurement device
An optical correction method is performed by a spectrum measurement device with a light input part. The method includes the following steps: multiple narrow-band rays are measured by the light input part to obtain multiple narrow-band spectrum impulse responses; a stray light database is built according to the narrow-band spectrum impulse responses; a correction program is generated according to the stray light database; and spectral radiant standard light is received from the light input part, and the spectrum measurement device enabling the correction program measures the spectrum of the spectral radiant standard light to obtain measured spectrum data; and a correction coefficient program is generated according to the measured spectrum data and spectral radiant standard spectrum data, and the correction coefficient program can match the measured spectrum data with the spectral radiant standard spectrum data.
Owner:OTO PHOTONICS
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