49results about How to "The collection method is simple" patented technology

A method for automatically collecting the process state of mechanical machining mission based on machine power information can resolve the data collecting problem of on-site control layer of information system of prior producer. The method automatically collects the process state of mechanical machining mission according to the change and repeat of power information, information character, and period character of main motor of the machine. For batch machining mission, the method comprises that (1), recording the power curvature in teach process, analyzing and extracting information character, (2), comparing the power curvature and the information character of same batch after teaching with the teach, to obtain the process state information of mission. For single element, the method comprises that (1), building an idle database, (2), calculating the cutting power, (3), forming a similar power curvature, (4), comparing real power with similar power, to automatically obtain the process state of the work piece.

The invention provides a measuring method for destruction-resistivity incidence relation of carbon fiber concrete. The measuring method comprises the following steps: manufacturing a standard sample of the carbon fiber concrete, marking a measuring point, measuring ultrasonic wave speed and resistance, measuring the destruction-resistivity incidence relation of the carbon fiber concrete and the like. The method uses normal measuring devices, the operation is simple and convenient, the destruction-resistivity incidence relation of the carbon fiber concrete under the condition of different loadings can be measured, the measuring result is relatively accurate, and a foundation for nondestructive testing of concrete can be laid. Therefore, the measuring method provided by the invention has the comprehensive applicability and the theoretical value during practical engineering.

The invention relates to a test method for detecting flexural rigidity and energy absorbing properties of automotive parts and a test device for detecting flexural rigidity and energy absorbing properties of the automotive parts. The test device comprises a hammerhead device on an upper end of the test device, a B-column clamp device and a guide rail device on a bottom of the test device, wherein the hammerhead device comprises a hammerhead guide rail (2), a T-shaped groove (2-1) of the hammerhead guide rail, first bolts (4), upper fixing nuts (3), lower fixing nuts (5), a hammerhead (6) and a force sensor (14); the B-column clamp device comprises a bracket (9), a connecting column (8), and a location pin (7); the guide rail device comprises a ground guide rail (10), a ground guide rail groove (10-1), fastening nuts (11), and second bolts (12); the B-column four-point bending quasi-static test device can be freely and easily installed on a pressure machine. The B-column clamp part of the test device can be adjusted according to the shape and dimension of the B column, thus the test device is high in flexibility and freely moved on the guide rail according to the spatial position of the B column.

The invention discloses a root box experiment device for plant root environment research. The device comprises a front baffle, a rear baffle, a U-shaped root separating plate, a nylon net, a soil water collecting pipe, a water-holding base, a fastening screw, an air vent and a water inlet, wherein the nylon net is attached to the surface of the U-shaped root separating plate; the U-shaped root separating plate and the nylon net are located between the front baffle and the rear baffle and are fixed by the fastening screw; a soil water collecting hole is formed at a lateral edge of the U-shaped root separating plate; the water-holding base is located at the bottom. According to the invention, each separating plate and the water-holding base of the root box experiment device both are detachable and reusable, so that the technical problem of collecting the soil sample and soil water sample in the plant root environment research can be solved; a collecting method for millimeter-scale root tiny-region soil and soil water in different regions can be further simplified and accurate; the research on differential characteristics on different positions of the root system of the crop is benefited; the further accurate research on the root soil interface behavior is benefited.

The invention relates to a frozen stock solution used for freezing and storing umbilical mesenchymal stem cells for a long time, a preparation method and applications thereof, in particular to an umbilical mesenchymal stem cell. A new fetal calf serum substitute, namely the blood plasma from the umbilical blood is mainly adopted to prepare the frozen stock solution for freezing and storing the umbilical mesenchymal stem cells; the frozen stock solution can protect the umbilical mesenchymal stem cells from being injured in freezing for a long time; the vitality of the umbilical mesenchymal stem cell can achieve the same long-term freezing effect as the traditional frozen stock solution after the umbilical mesenchymal stem cell recovers, and avoid the umbilical mesenchymal stem cell from contacting with the heterogeneous animal source serum in the freezing and storing process, thus leading the clinical application thereof to be safer.

The embodiment of the invention relates to a method and a device for collecting a log. The method comprises the following steps: reading at least one log knowledge module from a log knowledge module list by a log client side; executing the log knowledge module, analyzing a log file of the corresponding operation system or application system, and collecting target content information of the log file; and transmitting the collected target content information to a log server side. Therefore, the comprehensiveness and applicability of collected information can be improved; the collection method is simple; and the collection efficiency can be greatly improved.

The invention discloses an unmanned plane aerial photography image calibration method suitable for slope measurement. According to the method, firstly, an image calibration model is established; secondly, points are vertically acquired by an unmanned plane, slope map image data and calibration data are acquired, and a slope angle Slope and a slope image azimuth Azimuth are acquired through calculation according to the acquired data; whether a distance measurement module is available is determined, if yes, the distance measurement module is employed to measure the vertical distance Length; if not, calibration points are acquired to replace the vertical distance Length; according to the acquired vertical distance Length, a slope image scale SlopeScale, a geographic three-dimensional coordinate of an image origin Origin and a geographic three-dimensional coordinate of a target point are calculated, and calibration is accomplished. The method is advantaged in that the unmanned plane measurement calibration technology is made not to be limited to the plane, scientific basis is further provided for slope measurement and projection measurement demands, effective guarantee is provided foraccurate measurement, rapid and easy calibration is realized, and slope image calibration accuracy and calibration efficiency are improved.

The invention provides a multimodal fusion based gear machining process tool change decision method. The method includes: performing multi-information fusion processing on tool experience life, power information of the machining process and quality data acquired by workpiece sampling inspection in the batch machining process of gears, and judging the current status of a tool so as to decide whether or not to change the tool. The information acquisition method is simple, stable and low in cost, and normal machining is unaffected; the acquired data are high in accuracy, response is fast, and an operator can be reminded of changing the tool in time; monitoring of machining quality, power information and tool life is combined organically, the tool can be changed under the optimum status, the machining quality is guaranteed favorably, high tool cost is lowered, and machining efficiency is increased. The method can be widely applied to gear machine tools and automatic production lines for gear machining.

The invention provides a message acquisition method, a message acquisition system, a network apparatus and a network management center. The message acquisition method includes the following steps that: the network management center transmits a message acquisition command to the network apparatus, wherein the message acquisition command contains the feature information of a message to be acquired; the network apparatus receives the message acquisition command transmitted by the network management center, since the message acquisition command contains the feature information of the message to be acquired, the network apparatus obtains the acquired message according to the feature information of the message to be acquired and encapsulates the acquired message into an acquired message IP data packet and transmits the acquired message IP data packet to the network management center through a network management channel; and the network management center receives the acquired message IP data packet transmitted by the network apparatus and parses the acquired message IP data packet and obtains the acquired message through reduction. With the message acquisition method provided by the above technical schemes of the invention adopted, the problems of resource waste of a network apparatus or temporary interruption of services of the network apparatus, and high human resource cost caused by an existing message acquisition mode can be solved.

The invention relates to a split type three-dimensional pressure device and a strain waveform pattern collecting method. The device comprises a base, a pressure chamber and an oil cylinder, wherein the pressure chamber and the oil cylinder are fixed on the base. A first sliding cushion block and a second sliding cushion block are arranged at the two ends of the pressure chamber respectively and are connected to the inner cavity in a sliding manner to seal the two ports. The oil cylinder includes a cylinder body and a piston arranged at the center of the cylinder body in a sliding manner; a sensor connecting plate is fixedly connected to one end, being close to the pressure chamber, of the piston; and a force sensor is arranged at one side, away from the oil cylinder, of the sensor connecting plate. Under the combined effect of the impact dynamic load and the three-axis static load, combined loading of the axial static pressure and the confining pressure is realized based on dynamic load applying to the roc sample. Confining pressure preloading is carried out by the pressure chamber and axial pressure preloading is carried out through the oil cylinder, so that preloading of the three-axis force is carried out on the test piece; and thus the condition of testing of mechanical properties of the material under dynamic and static load coupling loading of rock and other materials ismet.

The invention discloses a lithium ion battery fault early warning method and a lithium ion battery fault early warning system based on a vibration signal in the technical field of battery fault monitoring and early warning, which can timely perform online early warning on two abnormal working conditions of overcharge and external short circuit of a lithium ion battery, and have relatively high early warning accuracy rate. The lithium ion battery fault early warning method comprises the following steps of: acquiring a vibration signal of the lithium ion battery in an operating state; performingFourier transform on the acquired vibration signal to obtain a spectrogram of the vibration signal; acquiring the main frequency of the vibration signal from the spectrogram of the vibration signal,and starting early warning according to the change of the main frequency of the vibration signals; carrying out continuous wavelet transform on the acquired vibration signal to obtain a time-frequencydiagram of the vibration signal; acquiring a frequency band where the highest energy peak of the vibration signal is located from the time-frequency diagram of the vibration signal; and starting early warning according to the change of the frequency band where the highest energy peak of the vibration signal is located.

The invention discloses a mineral oil film-based bio-aerosol sampling method, which includes the following steps: (1) a sterilized culture dish is adopted, and hot sterilized agar medium is poured into the base of the culture dish in a sterile operating platform; (2) after the medium is coagulated, about 100Mu l of sterile mineral oil is added, and a sterilized glass rod is used for uniformly applying the mineral oil onto the upper surface of the agar medium; (3) an improved agar culture plate is directly put into a bio-aerosol sampler for sampling. The sampling method provided by the invention overcomes the defects of the conventional impact type sampling method, such as impact injuries of bio-particles, drying effect and organism insertion, and greatly increases the efficiency of bio-aerosol collection, and the method is simple and low in cost, and has a broad application prospect in the aspect of environmental bio-aerosol sampling.

The invention provides a rapid qualitative and quantitative analytical detection method of contaminants on children's hands. The method comprises the following steps: 1) sampling preparation: sample subjects are children aged 1 to 17, and each stage of sampled children are divided into 4-6 levels based on a span of 1-3 years old; 2) sample acquisition: both hands of sample subjects are scrubbed with dust-free sample cloth, and the sample cloth after scrubbing is put into a dust-free bag to be stored at low temperature; 3) sample pretreatment: the sample-acquired dust-free cloth is fully dried and weighed after balanced under conditions of constant temperature and constant humidity; each sample undergoes two digestion processes, namely microwave digestion and electric heating board digestion; and 4) detection analysis: a sample digestion solution obtained from the step 3) is analyzed by an ICP-MS method. By the above method brought forward in the invention, dust materials on hand skin of children can be simply acquired and children body will not be influenced. The acquisition method is simple and easy to operate and has no requirement on selection of sample children, and storage requirements of acquired samples are low.

The invention discloses a measuring method for friction distribution of an inner wall of a confining device on a condition that materials in the confining device are subjected to axial compression. Strain of different measured points is acquired simultaneously by a static resistance strain indicator, B-spline fitting is carried out three times according to data of the different measured points by mathematical software of MATLAB (Matrix Laboratory) easily, and finally a friction distribution formula can be obtained by means of elasticity mechanic analysis. The measuring method has simple form and is reliable.

The invention discloses a multipath continuous data acquisition device of a two-channel microwave density and humidity detector. The device comprises an A / D converting circuit, a data buffer circuit, a microprocessor, an external interface circuit, a programming logic device, a work state indicating lamp and a host computer and the above units are orderly connected. The programming logic device is respectively connected to the A / D converting circuit, the data buffer circuit, the microprocessor and the external interface circuit. The microprocessor is connected to the host computer through a RS232 interface and is connected to a cigarette making and plug assembling machine through a CAN interface. The programming logic device is connected to the cigarette making and plug assembling machine through a RS485 interface. The invention also provides a data acquisition method using the multipath continuous data acquisition device. The method comprises receiving a signal of the cigarette making and plug assembling machine through the programming logic device, controlling all circuits and producing an interrupt signal through the programming logic device, determining the interrupt signal through the microprocessor, reading the A / D sample data and carrying out computation through the microprocessor, uploading the computation result to the cigarette making and plug assembling machine and after an interrupt revocation signal is received, carrying out secondary data acquisition computation. The device and method realize real-time high-efficiency continuous sampling and computation.

The invention relates to a method of testing the contact resistivity of a passivated contact structure. The method comprises the steps of (1), carrying out the grooving of the peripheries of circularpoint-shaped electrodes with different diameters on a battery piece, and forming circular groove structures with different internal diameters, (2) testing the inner diameters corresponding to the circular groove structures with different inner diameters, (3) testing the corresponding total resistance values between the circular point-shaped electrodes with different diameters and the back metal electrode, and (4) collecting inner diameter data corresponding to different circular groove structures and corresponding total resistance value data between the circular point-shaped electrodes with different diameters and the back metal electrode, drawing a scatter diagram, fitting scatter points by using a current transmission model of which the two ends are in contact, and calculating the contact resistivity. The circular groove structure can block transverse transmission of the current in the passivated contact structure, so that the actual transmission path of the current is more consistent with the theoretical path, and the fitting determination coefficient and the test accuracy can be remarkably improved.

The invention discloses a root box test device used for rhizosphere microzone study. The test device comprises a root box, rhizosphere interlayers, a baffle, an inclined plate, a sampling plate and a leaky pipe, wherein the inclined plate and the baffle are arranged on the upper part of the root box; the leaky pipe is laid at the bottom of the root box; the inclined plate is arranged between the wall of the root box and the baffle and horizontally inclines at an angle of 30 degrees; a planting hole for planting crops is arranged on the inclined plate; a root-out seam is arranged on the baffle; the rhizosphere interlayers are formed by plastic plates, nylon meshes and inclined plates; the sampling plate and the rhizosphere interlayers have the same size; and the middle of the sampling plate is hollowed. The device not only can be used for studying the rhizosphere microzones of different millimeter grades around the root system and avoiding the effect of non-rhizosphere soil, but also can be used for studying the regional differentiation characteristics of different parts of the root system.

The invention discloses a surface plasma coupled emission (SPCE) directional enhanced microscopic fluorescence imaging and spectrum detection method and device based on an objective lens coupling type. Polarized exciting light modulated by a half-wave plate is reflected by a dichroic filter and then reaches an objective lens at a specific angle to excite metal surface plasma to be coupled to a sample, and generated SPCE signals are collected by the objective lens and filtered by the dichroic filter and then are switched and guided into an SPCE microscopy fluorescence imaging module or an SPCE microscopy fluorescence spectrum module through a reflector to realize SPCE microscopic fluorescence imaging and spectrum acquisition of the same micro-area of the sample. By combining a microscope system, a coupling strategy SPCE is applied to high-spatial-resolution fluorescence imaging and spectrum at the same time, the directional enhancement characteristic and the spatial selection function on the micro-area scale are achieved, high-quality microscopic fluorescence imaging and spectrum information of the same micro-area of a sample can be obtained, and an efficient and reliable means is provided for detecting the low-content components of a micro area of interest in a complex system.

The invention relates to a method for testing the contact resistivity of a passivation contact structure, and the method comprises the steps: (1) carrying out the grooving on the passivation contact structure close to two sides of an auxiliary grid line along a direction, parallel to the auxiliary grid line, of a cell piece, and forming a groove structure, wherein the groove structure longitudinally extends into the silicon substrate; (2) cutting the area containing the groove structure along the direction parallel to the main grid line on the battery piece to obtain a test sample, wherein thetest sample does not contain a main grid line; (3) testing resistance values corresponding to different auxiliary grid line intervals on the test sample; (4) drawing a scatter diagram by taking the distance between the auxiliary grid lines as an abscissa and the resistance value corresponding to the distance between the auxiliary grid lines as an ordinate, and performing linear fitting to obtainthe slope and intercept of a linear function; and calculating the contact resistivity according to the slope and intercept of the linear function and a line transmission model.

The invention discloses a network advertisement audience behavior and audience interest association analysis method and system. The method comprises the following steps: firstly, reading an audience identity model from a crowd database or (new audiences without historical data) to generate a new identity model through a similarity forest algorithm; and then updating (or assigning values for the first time) the audience model according to the browsing track, frequency, content and other data of the current behavior of the audience, performing feature weight comparison with the population feature model and the interest model, and pre-judging the population feature and interest based on the score of each attribute weight. And meanwhile, the data generated by the method is fed back to the related functional model, and iterative updating is continuously carried out, so that the whole functional system is more stable and effective than other existing products.

The invention discloses a refrigeration device for collecting of underwater microorganism samples, and an underwater microorganism sample collecting device and method. An enrichment device comprises arefrigeration shell and enrichment collecting devices coaxially arranged in the refrigeration shell; the refrigeration shell comprises two oppositely-arranged half shells, a water pipe penetrating hole is formed in the middle of the refrigeration shell, and a cooling device is arranged between the water pipe penetrating hole and the inner wall of the shell; and the enrichment collecting devices are provided with annular clamping buckles, and filter membranes and sand core filters are clamped in the middles of the annular clamping buckles. The underwater microorganism sample collecting devicecomprises a water inlet pipe, a water outlet pipe and one or more enrichment pipelines connected between the water inlet pipe and the water outlet pipe in parallel; and the enrichment pipelines are composed of first valves, the enrichment collecting devices and flowmeters which are connected in series through pipelines. The underwater microorganism sample collecting method comprises the followingsteps that underwater microorganisms are collected through the filter membranes in real time, and the flow and the flow velocity are calculated in real time in the collecting process; and in the collecting process, the filter membranes are cooled in real time, and the cooling temperature is 3-5 DEG C.

The invention discloses a boundary line position information acquisition method based on mobile equipment and the equipment thereof. The method comprises the steps of storing and loading the parcel information in mobile equipment, wherein the parcel information comprises a position field used for storing boundary line position information; selecting a target parcel to be collected; selecting one or more boundary lines as target boundary lines of the to-be-acquired boundary line position information; drawing a point or a direction line in the mobile equipment; updating boundary line position information of the target boundary line according to the drawn point or the drawn direction line; and updating the position information of the adjacent parcel collinear boundary line according to the updated boundary line position information. According to the method, the boundary line position information acquisition and recording mode is improved. The boundary line position information acquisitionand recording efficiency and the accuracy are improved.

The invention provides a village type identification system. The village type identification system comprises a cloud memory, an analysis server and at least two information acquisition clients, And the information acquisition client comprises a sample statistics unit, an input unit, a geographic mapping unit and a positioning unit. And the analysis server comprises a sample analysis unit, a measure conversion unit, a measure database, a grade sequence analysis unit and a village type database. And the information acquisition client acquires the village index information and uploads the village index information to the cloud memory. And the sample analysis unit receives the village index information to obtain a secondary index of the village. And the measurement database matches each first-level index measurement with a first-level index measurement domain to obtain a first-level index measurement level. The level sequence analysis unit obtains a level sequence according to the level of the first-level index measure. And the village type database matches the grade sequence with a preset village grade sequence to obtain a village type. The problems of low efficiency, unscientificityand more errors in village type identification in the prior art are solved.

The invention provides a village type identification method. The village type identification method comprises the following steps that an information acquisition terminal acquires village index information and uploads and stores the village index information to a cloud memory; the processor receives the village index information transmitted by the cloud memory, and obtains and outputs a secondaryindex of the village through data analysis and operation; the processor outputs the first-level index measure of the first-level index of the village through data operation according to the second-level index; the processor matches each first-level index measure with at least two first-level index measure domains corresponding to the first-level index to obtain a first-level index measure level; the processor obtains a grade sequence of one village according to the first-grade index measurement grades corresponding to all the first-grade indexes of the village; And the processor matches the grade sequence with a preset village grade sequence, and identifies the village type according to a corresponding relationship between the preset village grade sequence and the village type. The problems that in the prior art, when village type recognition is conducted, efficiency is low, the recognition is not scientific, and many errors exist are solved.

The invention discloses a wrong question collection method and system based on paper teaching assistance, a storage medium and equipment, and the method comprises the steps: obtaining a wrong question collection card image which at least comprises an identification tag used for identifying a wrong question source and a table used for wrong question collection; identifying the identification tag to obtain teaching assistance information on the wrong question acquisition card, wherein the teaching assistance information at least comprises a teaching assistance grade, a teaching assistance subject, a teaching assistance number and a teaching assistance page number; performing element analysis on the table to obtain student identity identification information corresponding to each student, the question number of a question and a judgment identification corresponding to the question number of the question; analyzing the judgment identification, obtaining the wrong question number corresponding to the identity identification information of each student, and judging that the judgment identification is filled in by each student; and collecting and storing the wrong question numbers, the student identity identification information corresponding to the wrong question numbers, and the teaching assistance information corresponding to the wrong question numbers. The problem of low efficiency of the wrong question collection mode in the prior art is solved.

The invention discloses a method for collecting resin of sweetgum. The method is a V-shaped descent method, and comprises the following steps of: (1) selecting a sweetgum tree with the diameter at breast height of more than or equal to 20cm, and setting a cut face on a straight trunk which is exposed to the sun and has few burls; (2) setting a bark shaver face according to the selected cut face, wherein the bark shaver face is 4cm wider than the cut face, and the bark shaver face is 5 to 10cm longer than the cut face; (3) setting a medial groove in the center of the bark shaver face, and setting an apron at the tail end of the medial groove, and mounting a cup under the apron; and (4) cutting a first V-shaped lateral groove at the upper end of the medial groove, connecting the bottom of the V-shaped groove with the medial groove, cutting a new V-shaped lateral groove under the last V-shaped lateral groove every 5 to 7 days, wherein the included angle of the V-shaped lateral groove is 70 degrees, and the lateral groove is cut to the first or the second annual ring of the sweetgum tree. The method is particularly suitable for collecting the resin of the sweetgum trees; and after theV-shaped lateral grooves with the included angle of 70 degrees are adopted, and cut to the first or the second annual ring, the yield of the resin of sweetgum is greatly improved, and the growth of the sweetgum trees is not affected, so the method is a simple, convenient, quick and efficient method for collecting the resin of sweetgum.