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75 results about "Age limit" patented technology

Countable noun. An age limit is the oldest or youngest age at which you are allowed under particular regulations to do something.

Method for identifying aging degree of silicon rubber composite insulator

ActiveCN103344605ACan quantitatively analyze the degree of agingQuantitative analysis of aging degreeColor/spectral properties measurementsTest sampleSilicon rubber
The invention discloses a method for identifying the aging degree of a silicon rubber composite insulator. The method comprises the following steps: determining the states of umbrella skirt test samples of the silicon rubber composite insulator by taking the operating age limit as reference, and selecting a sample area of each state to obtain an average-value test sample of each state; sampling and cutting into slices; performing microscopic infrared scanning on the slices by taking silicon methyl 1296 cm<-1> as a calibrated peak to obtain microscopic infrared micro-area scanning images of the slices with different age limits; calculating the ageing depth H value from the microscopic infrared micro-area scanning images, fitting the relationship between the H value of the samples with different age limits and time to obtain an ageing model; quantitatively identifying the ageing degree of an unknown sample according to the ageing model. According to the method, the ageing degree of the silicon rubber composite insulator can be quantitatively analyzed by a microscopic infrared Mapping scanning technology; the change of the silicon rubber composite insulator from the surface to the center along with ageing can be observed; the visualization degree is high.
Owner:ELECTRIC POWER RES INST OF GUANGDONG POWER GRID +1

Method for detecting pollution grade of insulator

InactiveCN101661076AGrasp the pollution situation in real timeAccurate and reliable insulation level analysisTesting circuitsAge limitVariable weight
The invention discloses a method for detecting the pollution grade of an insultor, which is characterized by comprising the steps of: 1. obtaining ultraviolet discharge pulse x1<0>, temperature valuex3<0> and humidity value x4<0>, and obtaining weather conditions; 2. determining the value of each parameter after normalization; 3. determining the constant weight value of each index factor; 4. obtaining the variable weight value of each index facor; 5. generating the membership function lists of discharge pulse and running age limit, and the membership function lists of the temperature value, the humidity value and the weather conditions; 6. generating the single factor judgement matrix A and matrix B of the index layer under intrinsic factors and enviromental factors; 7. obtaining the evaluating matrix S of the intrinsic factors; 8. obtaining the evaluating matrix Z of the enviromental facors Z; and 9. obtaining the status evaluation v of the insulator. The method has the obvious effects of: replacing the traditional method of climbing the rod for examination by workers and realizing continuous real-time detection. The method effectively conducts accurate and reliable grade analysis to the current running state of the insulator, and is convenient for monitoring and changing the insulator reasonably by the workers.
Owner:CHONGQING UNIV

Field management method of high-end kiwi fruit during fruiting period

A field management method of high-end kiwi fruit during a fruiting period relates to a cultivation management method which is applied after a kiwi fruit plant can fruit. By systematic treatment of the method comprising application of fertilizer prior to flowering, bud picking, pollination, fruit thinning, application of fruit expanding fertilizer, application of leaf surface fertilizer, pest control, bagging, core picking, drought resistance, drainage of stagnant water, base fertilizer application, winter pruning, winter orchard-clearing disinfection and the like, the kiwi fruit can fully and efficiently utilize light, temperature, water, air and fertilizer, the relations of branch and leaf growth and fruiting are adjusted in real time, distribution of plant nutrient is adjusted, the fruiting capability of the kiwi fruit can be brought into play as far as possible, single-fruit grain weight and the number of contained seeds are increased, pest and disease damage can be eliminated simultaneously, and the disease-resistant capability of plants is enhanced. Besides, the trophic structure of the soil can be adjusted, soil fertility is not reduced all the year round, high quality, high yield and stable yield of the kiwi fruit are achieved, and the age limit of fruiting is prolonged.
Owner:重庆信祥生态农业有限公司

Dairy cow postpartum nutrition enhancer premix and preparation method and application thereof

ActiveCN102326680APostpartum syndrome reliefRelieve labor stressAnimal feeding stuffAccessory food factorsVitamin CAdditive ingredient
The invention discloses a dairy cow postpartum nutrition enhancer premix and a preparation method and application thereof. In a formula, the premix comprises the following components in part by weight: 77.400 to 81.400 parts of energy matters, 8.000 to 9.000 parts of calcium source, 1.000 to 2.000 percent of magnesium sulfate, 2.000 to 3.000 parts of sodium chloride, 1.000 to 2.000 parts of potassium chloride, 2.300 to 3.200 parts of uterus restoration nutritional ingredients, 0.600 to 0.680 part of anti-parturition stress matters, 0.050 to 0.100 part of flavoring agent and 0.200 to 0.600 part of sweetener, wherein the energy matters are glucose and an energy precursor matter; the anti-parturition stress matters are vitamin E, vitamin D, vitamin C, sodium selenite and organic selenium; and the uterus restoration nutritional ingredients are motherwort herb and/or a motherwort herb extract. In the preparation method, the components are mixed uniformly according to a specific sequence toobtain the premix. The premix is mixed with water to form oral liquid, can be directly drunk by dairy cows, is convenient to use quickly and has low cost. In addition, the premix can prevent postpartum syndromes of the dairy cows or reduce the morbidity of the dairy cows, and improve the production performance and utilization age limit of the dairy cows.
Owner:光明牧业有限公司

Vehicle model identification method under traffic monitoring

ActiveCN104408431ASolve positioningSolve the problem caused by too little vehicle logo informationCharacter and pattern recognitionEngineeringAge limit
The invention provides a vehicle model identification method under traffic monitoring. After image preprocessing and positioning and identification of a vehicle plate, the steps of identifying the vehicle model are as follows: with the position of the vehicle plate as the reference, acquiring a candidate rectangular area; analyzing a candidate area histogram, and identifying the candidate area histogram to describe a vehicle head or a vehicle tail; positioning an air inlet hole in the vehicle head or a vehicle lamp in the vehicle tail; acquiring the edge direction of each pixel point, and calculating an edge histogram descriptor; matching a database according to the edge histogram descriptor and acquiring a corresponding vehicle model type. The vehicle model identification method disclosed by the invention has the advantages that firstly, the problems caused by difficulty in positioning of a vehicle logo and too-little vehicle logo information are solved; secondly, based on the uniqueness of the air inlet hole in the vehicle head and the vehicle lamp in the vehicle tail, according to the method, a vehicle manufacturer (the vehicle logo) can be identified, and the vehicle model and the age limit can be identified; thirdly, the identification can be realized through the vehicle head and the vehicle tail.
Owner:JIANGSU R & D CENTER FOR INTERNET OF THINGS

Cast-in-place pile used in high concentration saline solution corrosion environment and construction method thereof

InactiveCN103195052AAvoid corrosionHigh reliability of anti-corrosion effectProtective foundationBulkheads/pilesHigh concentrationSurface layer
The invention discloses a cast-in-place pile used in a high concentration saline solution corrosion environment and a construction method thereof. A steel pile casing is arranged on the periphery of a cast-in-place pile body, the bottom edge of the steel pile casing is arranged below a high concentration saline solution corrosion area, and the top edge of the steel pile casting is level to the top portion of the cast-in-place pile body. The construction method of the cast-in-place pile is that the length and wall thickness of the steel pile casing are determined first, the steel pile casing is manufactured in advance, then the steel pile casing is sunk to be in place and level to the designed height of the cast-in-place pile body, and finally the cast-in-place pile body is constructed in the steel pile casing. The steel pile casing is used as a corrosion-resistant protecting barrier of the cast-in-place pile body, and the high concentration saline solution is prevented from corroding the cast-in-place pile body. Corrosion-resistant age limit of the steel pile casing can be controlled through steel plate thickness, corrosion-resistant effect reliability degree is high, and a permanent protective effect within the service life of the cast-in-place pile body can be achieved. Construction is simple, the process is mature, the steel pile casing is used as a template of the cast-in-place pile in a construction process, a hole-collapsing preventing effect and a protecting effect for soil with loose surface layers and sludge soil are obtained, and the cast-in-place pile and the construction method are favorable for pile foundation construction.
Owner:TIANJIN MUNICIPAL ENG DESIGN & RES INST

Highway network pavement technology health condition assessment method

InactiveCN106600004ATargetedBreak through the passive situation of priority maintenanceRoadwaysDesign optimisation/simulationState parameterRoad surface
The present invention provides a highway network pavement technology health condition assessment method. The method comprises the steps: surveying the operation age limits of all the roads with the same grade and the same pavement structure in an area and the pavement technology state parameters of each kilometer; establishing a mathematical relationship model of the pavement operation age limits and the technology state parameters, obtaining the regression equation and curve of the pavement technology state parameters, and calculating the technology state decaying values year by year and the regression pavement technology state average decaying lane mileage; performing statistics of the technology state decaying lane mileage of each kilometer and performing accumulation of the technology state decaying lane mileage of each kilometer, and obtaining the current pavement technology state decaying lane mileage; and assessing the highway network technology state health degree through comparison of the sizes of the average value and a measured value so as to provide basis for the area highway maintenance planning and decision. The highway network pavement technology health condition assessment method can predict the future usage condition of the pavement, and the predication data can be used for providing reference for the mid-long term maintenance and the planning of the pavement.
Owner:SOUTH CHINA UNIV OF TECH

Ancient architecture timberwork residual life reliability prediction method suitable for corrosion environment

ActiveCN107229806ADisaster prevention easyEasy decision-making such as repair and reinforcementGeometric CADDesign optimisation/simulationNormal densityPredictive methods
The invention relates to an ancient architecture timberwork residual life reliability prediction method suitable for a corrosion environment. The method comprises the following steps that (1) a material time varying model under the corrosion influence is analyzed; (2) a corrosion-considered resistance model is built; timberwork bearing capacity life prediction is achieved, prediction results are amended by using a monte carlo method combining with a probability density function, and residual life interval prediction of a structure is achieved; (3) a corrosion-considered deformation time varying value is obtained by using finite element simulation, and based on a Weibull model, combining with the monte carlo method, the reliability life prediction of a structure deformation value is achieved; (4) an earliest age limit when the structure loses efficacy most likely is decided. According to the method, the range interval of the ancient architecture timberwork terminal life with corrosion and worm damage influence considered can be given, and accordingly decisions such as disaster prevention solution programs and repairing and strengthening are made; material level residual life prediction is achieved by considering the bearing capacity, the influence of a deformation value index on structure life prediction at components and even a structure level is further considered, and life prediction is accurate and more reasonable.
Owner:FUZHOU UNIV

Breeding method for high oleic acid rape for resisting plasmodiophora brassicae and application of breeding method

The invention belongs to the technical field of rape breeding, and particularly relates to a breeding method for high oleic acid rape for resisting plasmodiophora brassicae and an application of the breeding method. The breeding method is characterized by comprising the following steps of enabling a high oleic acid plant and a plasmodiophora brassicae-resisting gene containing plant to be hybridized to obtain composite F1 rape seeds containing high oleic acid and CRb disease-resistant sites; planting the composite F1 rape seeds, identifying the relevant gene sites with high oleic acid and a plasmodiophora brassicae resisting molecular marker, and selecting individuals containing the sites and recurrent parents for hybridizing; performing high oleic acid and plasmodiophora brassicae resisting molecular marker analysis on backcross and selfed progeny groups, performing screening, and performing homozygosis to obtain the high oleic acid plasmodiophora brassicae resisting plant. The invention provides a simple, quick and effective method for breeding good disease-resistant high oleic acid rape kinds. The breeding method can selectively select a single plant according to the genotype atany stage in the breeding process, so that the selection efficiency is improved, and the breeding age limit is shortened.
Owner:HUAZHONG AGRI UNIV

Distribution transformer health degree analysis and calculation method

The invention relates to the technical field of distribution network equipment detection, and provides a distribution transformer health degree analysis and calculation method, which comprises the following steps of selecting a to-be-analyzed distribution transformer, and obtaining a rated voltage value and a design age limit of the to-be-analyzed distribution transformer; obtaining weights corresponding to the factors influencing the health degree of the distribution transformer; acquiring a real-time voltage value of the distribution transformer, and then calculating and analyzing accordingto the rated voltage value and the real-time voltage value to obtain a grade B1; inquiring whether the distribution transformer is an oil type transformer or not; if so, calculating an oil temperaturevalue of the distribution transformer and analyzing and calculating to obtain a grade B2; if not, setting the grade B2 to be 0; querying the actual operation age limit of the distribution transformer, and performing calculation and analysis according to the design age limit and the actual operation age limit to obtain a grade B3; obtaining weather data of the distribution transformer on the sameday, and analyzing and calculating the weather data to obtain a grade B4; querying the fault degree and frequency of the distribution transformer, and performing analysis and calculation to obtain a grade B5; and calculating the distribution transformer health degree of the distribution transformer to be analyzed according to the weights and the grades B1, B2, B3, B4 and B5.
Owner:GUANGDONG POWER GRID CO LTD +1
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