Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

192results about How to "Reduce the interference of human factors" patented technology

Remoulded soil stratified compaction sample preparer for indoor triaxial test and method thereof

The invention discloses a remoulded soil stratified compaction sample preparer for an indoor triaxial test and a method thereof and relates to a sample preparation technology of the indoor triaxial test. The sample preparer comprises a base, a compaction barrel and a limiting compaction cover; the base, the compaction barrel and the limiting compaction cover are successively connected from bottom to top; the base is a short cylinder; the compaction barrel comprises an outer sleeve, a soil sample forming barrel and a hooping bolt; the limiting compaction cover comprises a top cover and a limiting column connected up and down. According to the sample preparer disclosed by the invention, the thicknesses of the layers of the test sample can be guaranteed uniform, and the relative density is uniform; the sample preparer can be repeatedly used, and test samples of other specifications can be manufactured by changing the structure and dimension of a part; the sample preparer is simple in structure, convenient to disassemble, simple to operate, relatively low in cost, long in service life, accurate to prepare sample, efficient and reliable and small in interference by artificial factors; the sample preparation method is easy to master, high in universality, time- and labor-saving and convenient and rapid.
Owner:GUILIN UNIVERSITY OF TECHNOLOGY

Method for simultaneously measuring heavy metals with different forms in coal-fired flue gas

The invention provides a method for simultaneously measuring heavy metals with different forms in coal-fired flue gas. The method comprises the steps that coal-fired flue gas samples are collected through a sample collection system; the sample collection system comprises a sampling pipe with a suction nozzle, and a filtering bracket and a cyclone separator arranged in a hot box which are connected in sequence, and absorption bottles arranged in an ice-bath, which are connected in sequence through ducts, wherein a potassium chloride solution is contained in the first, second and third absorption bottles; an acid hydrogen peroxide solution is contained in the fourth and fifth absorption bottles; hydrogen potassium permanganate solution is contained in the sixth and seventh absorption bottles; silica gel is contained in the eighth absorption bottle; absorption liquid samples in all the absorption bottles are subjected to sample recovery after sample collection, and flue gas samples are subjected to sealing storage; absorption liquid samples in all the absorption bottles are subjected to sample digestion; and then all the digested samples are detected, and the concentrations of heavy metals with different forms in the flue gas are calculated according to measured contents of the heavy metals in all the absorption liquid samples.
Owner:CHINESE RES ACAD OF ENVIRONMENTAL SCI

Benchmark test system and method for adjacent channel interference resisting capacity of RFID reader-writer

The invention relates to benchmark test system and method for adjacent channel interference resisting capacity of an RFID (Radio Frequency Identification Device) reader-writer. The benchmark test system comprises a standard test environment, a reader transmitting antenna, a signal source transmitting antenna, a receiving antenna, an RFID, a reader antenna bracket, a signal source antenna bracket, a receiving antenna bracket, a reader-writer to be tested, a signal source, a frequency spectrum analyzer and a control computer. In the method, an adjacent channel interference signal is simulated by artificially applying an RFID reader-writer with controllable power and frequency to account the maximum adjacent channel interference strength under an acceptable reading rate so as to evaluate the adjacent channel interference resisting capacity of the RFID reader-writer scientifically and repeatedly; and under the same acceptable reading rate, the stronger the adjacent channel interference, the stronger the adjacent channel interference resisting capacity of the reader-writer to be tested. The reading rate of the reader-writer is tested by simulating the adjacent channel interference of the RFID reader-writer, therefore, the invention provides a simple, accurate and effective RFID automatic testing tool and a benchmark testing method for a user.
Owner:INST OF AUTOMATION CHINESE ACAD OF SCI

Fully-automatic water sampler used for layered collection of water sample

ActiveCN106092658AConvenience for water harvesting operationsSimple control systemWithdrawing sample devicesControl systemElectric machinery
The invention discloses a fully-automatic water sampler used for layered collection of a water sample. The fully-automatic water sampler mainly comprises a sampled water barrel mechanism, a cam group mechanism, a rope system mechanism, a support mechanism and a control system part. The sampled water barrel mechanism is uniformly distributed on a small support circular ring, and is used for collecting the water sample; the cam mechanism controls movement of a small chuck under the driving of a moor in order to control closure of a water barrel sealing cover; the rope system mechanism plays a role in transmission of the force of the small chuck and amplification of the stroke; the supporting mechanism plays a role in fixed connection of the whole mechanism and hoisting in the working process; and the control system part plays a role in water depth identification and control of the running of the motor. The water sampler can realize control of the movement of a plurality of cams through one motor in order to realize collection of the water sample in different water layers, so the water sampler has the advantages of realization of whole-course fully-automatic working process, no artificial release of a hammer, realization of unattended operation, wide working area, reduction of interference of artificial factors, and realization of water collection of more water layers through conveniently developing the quantity of water collecting barrels and cams.
Owner:SHANGHAI UNIV

Test method for measuring humidification, disintegration and dispersion of soil mass

InactiveCN102565305AAutomatic collectionAccurate determination of disintegrationEarth material testingSoil scienceRoad engineering
The invention discloses a test method for measuring humidification, disintegration and dispersion of a soil mass. The test method comprises the following steps: preparing a device for immediately measuring the change in weight of the soil mass, wherein the device comprises a bracket, a beaker, a netted plate, an electronic balance, a digital display type tension gauge, an electronic computer, and the like; placing the soil mass into a water solution for disintegrating; and utilizing the change in weight of the soil mass to calculate the disintegrating volume and disintegrating speed of the soil mass. The physical conception significance of the device is clear and definite; the data is automatically and immediately collected; the personal factor interference is reduced; a test result is accurate and reliable; the magnitude of the disintegrating volume of the soil mass under different medium environmental conditions is reflected; the disintegrating volume and disintegrating speed of the structural viscid soil mass in water are accurately measured; the test method is used for evaluating the demands of various projects on the soil mass and especially has an important significance in judging the dispersibility of the viscid soil; a humidifying test based on an existing standard regulation is replaced by the test method; and the method is applied to evaluating the humidification, the disintegration and the dispersion of the soil mass in hydroelectric engineering, road engineering, agricultural engineering, and the like.
Owner:NORTHWEST A & F UNIV

Tissue quantitative analysis method for TRIP steel

The invention discloses a tissue quantitative analysis method for TRIP steel. The tissue quantitative analysis method comprises the following steps: firstly, preparing the TRIP steel into a metallographic specimen; secondly, grinding and polishing the metallographic specimen and then corroding the polished metallographic specimen with 4-8 percent nital solution for 8-30 seconds, observing a polyphase structure of the TRIP steel under a scanning electron microscope, and analyzing and counting to obtain the quantitative ratio of the ferrite content to bainite to residual austenite mixed tissue by using the scanning electron microscope according to a quantitative metallographic method through Image-ProPlus software; thirdly, carrying out XRD (X Ray Diffraction) atlas analysis on the same metallographic specimens to determine the content of residual austenite in the polyphase structure; fourthly, finally determining the phase proportions of various tissues in the TRIP steel by combining the quantitative analysis result of the SEM with the measurement result of the XRD. Compared with the prior art, the tissue quantitative analysis method disclosed by the invention has the advantages of simplicity and convenience in operation and accurate measurement.
Owner:CHINA WEAPON SCI ACADEMY NINGBO BRANCH +1

A wild growth imitating cultivation method for astragalus propinquus

The invention provides a wild growth imitating cultivation method for astragalus propinquus. The method comprises the steps of 1) land selection and soil preparation: digging planting holes after selecting a plantation, drying dug-out weeds and root hair to prepare natural fertilizer, mixing river sand, the natural fertilizer and land soil uniformly and placing the mixture in the planting holes; 2) base fertilizer application: feeding water into the holes thoroughly before transplanting and spreading mixed fertilizer with a thickness of 2-3mm after the water permeates soil thoroughly, wherein the mixed fertilizer is formed by mixing livestock manure, plant ash, urea, calcium ammonium nitrate and vermiculite power; 3) transplanting; 4) field management; 5) disease and pest control; 6) harvesting and processing. The method selects shady wasteland in mountainous areas or half-mountainous areas, does not occupy fertile farmland, selects growing environment similar to that of wild astragalus propinquus, enables astragalus propinquus to grow naturally and reduces human factor interference as much as possible, thereby guaranteeing the original medicinal purpose quality of astragalus propinquus. With the planting method, astragalus propinquus has the advantages of high survival rate, high medicinal material quality, high yield and low disease and pest damage incidence rate.
Owner:李海东

Method for coproducing collagen activity peptides and flavoured base materials with chicken bones

The invention discloses a method for coproducing collagen activity peptides and flavoured base materials with chicken bones. Through a two-step hot pressing and extracting method, and through slight pressure relief and pressure supplementation treatment, the yield of extracting the collagen activity peptides from the chicken bones is substantially increased. Through high-pressure homogenizing of osseins in extracting solutions before a step-by-step enzymolysis reaction of the osseins, the degree of hydrolysis of enzymolysis solutions is increased. In addition, two-step ultra filtration is performed on the enzymolysis solutions, and separation and purification of different products in the enzymolysis solutions are realized. Follow-up processing is performed aiming at the products of each molecule segment, different products of bone polysaccharide containing chondroitin sulfate, macromolecule polypeptide, micromolecule polypeptide and the like are obtained, making full use of ossein enzymolysis solutions is realized, and especially a Maillard reaction is performed on the macromolecule polypeptide, xylose, cysteine and thiamin to obtain the flavoured base material with a rich flavour.
Owner:INST OF AGRO FOOD SCI & TECH CHINESE ACADEMY OF AGRI SCI

Metal pipe butt-joint circumferential seam heating device

The invention relates to a metal pipe butt-joint circumferential seam heating device. The metal pipe butt-joint circumferential seam heating device is characterized by comprising a height-adjustable machine frame, a heating device and a control unit, wherein the heating device and the control unit are both arranged on the machine frame, and the heating device heats a butt-joint circumferential seam to be processed under the control of the control unit according to set temperate and time. The metal pipe butt-joint circumferential seam heating device has the advantage that a natural gas combustor is upgraded by introducing an international advanced combustion principle and a method. As an advanced combustor, the metal pipe butt-joint circumferential seam heating device is capable of largely improving the heating quality of a product, adopts an advanced heating method, introduces heating parameter automatic control functions such as automatic ignition and taking off of the flame, and automatic temperature control, reduces the interference from man-made factors, enables heating of a product to be even and controllable, improves the quality of the product and utilization rate of energy, and improves the operation environment of a production workshop.
Owner:SHANGHAI BOILER WORKS +1

Quality evaluation method and system for strong-flavor distiller's yeast

InactiveCN104865360AReduce the impact of Daqu quality judgmentEvaluation scienceTesting beveragesPrincipal component analysisOperability
The invention belongs to the technical field of wine brewing, and particularly relates to a quality evaluation method and system for strong-flavor distiller's yeast. The quality evaluation method is characterized by comprising the following steps: selecting a whole block of distiller's yeast from a strong-flavor finished distiller's yeast store, carrying out sensory quality evaluation, and determining the finished distiller's yeast with qualified sensory evaluation by seven indicators, namely the acidity, the moisture, the volume weight of the distiller's yeast block, the liquor-producing power, the esterifying power, the amino acid nitrogen and the starch conversion ratio; carrying out analysis and computation on the seven physical, chemical and biochemical indicators of the distiller's yeast sample by virtue of a principal component analysis method of SPSS13.0; selecting a few of previous principal components, determining the weights through the information proportion of various components, building a comprehensive evaluation model for the distiller's yeast quality, and then calculating quality characterization values F of each distiller's yeast through matlab software; carrying out clustering analysis on the values F, and then dividing the distiller's yeast quality into four grades. According to the method and the system, human disturbance factors are reduced; the method and the system are objective, scientific, simple and convenient to use, high in operability and accurate.
Owner:SICHUAN UNIVERSITY OF SCIENCE AND ENGINEERING

Internet of Things based welding work management method

The invention discloses an Internet of Things based welding work management method, and relates to the technical field of welding work management. The method specifically comprises the following step:S1, technologically scanning codes through an intelligent acquiring terminal before the welding work so as to obtain basic welding work requirements, mainly including the welding technology parameterrequirements such as current, voltage, preheating temperature, interlayer temperature and welding speed, the welding qualification requirement, the welding material size requirement, and the weldingenvironment requirements such as temperature, humidity and air speed. With the adoption of the method, the welding data can be comprehensively monitored in the whole process in real time, so that datasupport is supported to management and decision making, and interference of human factors can be effectively decreased; the welding data are true and reliable; the welding quality is improved; the construction environment safety factors are monitored and alarmed in real time, so that the safety accident is reduced; the energy consumption equipment are adjusted, controlled and managed, so that theequipment utilization rate is increased; the equipment energy consumption is decreased; and welding materials are effectively managed and controlled.
Owner:烟台智工物联科技有限公司

Method for preparing SUS304 weld metallographic phase and quantitatively analyzing ferrite intensity

The invention discloses a method for preparing an SUS304 weld metallographic phase and quantitatively analyzing ferrite intensity. The method for preparing the SUS304 weld metallographic phase comprises the following steps: sampling, inlaying, coarse grinding, fine grinding, polishing, corroding, cleaning, observing and the like. The method for quantitatively analyzing ferrite intensity of the SUS304 weld metallographic phase comprises the following steps: (1) performing gray-scale processing; (2) Gaussian smoothing; (3) performing threshold segmentation; (4) blocking; (5) calculating the white area proportion of each block; and (6) solving the variance of the white area proportion of each block. By adjusting the grinding method and time, selecting the types of polishing agents and corrosive liquid and adjusting the ratio and storage manner of the polishing agents and corrosive liquid, the scratch can be eliminated, so that the tissues completely and clearly appear, the operation is simple and feasible, and the human interference factor of corrosive tissues is small; and the image processing algorithm is high in precision, the portability is high, and the ferrite intensity in the metallographic phase is conveniently and accurately quantified.
Owner:GUANGDONG UNIV OF TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products