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 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 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 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 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 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 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 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.

The invention relates to the technical field of blood collection, a method and device for collecting blood plasma for clinical medicine, comprising the following steps: connecting a blood collection needle to an outer tube for collecting whole blood; , collect a total of 3ml-5ml whole blood into the whole blood collection outer tube; hold the whole blood collection outer tube and shake it left and right for 20s-40s, so that the internal whole blood and anticoagulant are fully mixed; place the whole blood collection outer tube on the rack After standing still for 4min-6min, the whole blood is pressure-filtered with a push assembly, and the filtered plasma is collected into a plasma collection tube; the plasma collection tube is removed, and then sealed for use. The process of the invention is simple, easy to use, can effectively improve the collection efficiency of plasma, and reduce the workload of medical personnel.