61results about How to "Intuitive and accurate test results" patented technology

The invention discloses a device and method for rapidly testing the comprehensive mechanical properties of an anchor bolt, which belong to the technical field of anchor bolt testing devices. The invention is designed for solving the technical problem of providing a device for rapidly testing the comprehensive mechanical properties of an anchor bolt, which can comprehensively and rapidly test the comprehensive properties of the anchor bolt. The invention adopts the following technical scheme: the device for rapidly testing the comprehensive mechanical properties of an anchor bolt comprises a rack, a universal centering device, an axial force loading device and a hydraulic rotating power device, wherein the universal centering device is arranged at one end of the rack, the axial force loading device is arranged in the middle of the rack, the hydraulic rotating power device is arranged at the other end of the rack, and the axle centers of the universal centering device, the axial force loading device and the hydraulic rotating power device are in one straight line. The device and method disclosed by the invention are widely applied to the testing of the comprehensive mechanical properties of anchor bolts.

A power-grid-impact-free detection method for the low voltage ride through function of a doubly-fed wind turbine generator system is characterized in that the stator side of the doubly-fed wind turbine generator system and a power grid are in the off state all the time when the low voltage ride through function of the doubly-fed wind turbine generator system is detected through the detection method, power grid faults of different types and different voltage drop depths are simulated by inputting a reactor with the adjustable resistance value, and the output waveforms of a converter of the doubly-fed wind turbine generator system and all physical quantities of an electric generator are detected so that whether the doubly-fed wind turbine generator system has the low voltage ride through function meeting the requirement of the national standard or not can be judged. By means of the detection method, whether the doubly-fed wind turbine generator system has the low voltage ride through function or not can be effectively verified, the performance index of the low voltage ride through of the doubly-fed wind turbine generator system can be rapidly obtained, no impact on the power grid is caused in the detection process, the detection method is simple and feasible, the detection result is visual and accurate, the detection cost is low, and the detection method is particularly suitable for the field of the wind power plant online detection of the low voltage ride through function of the doubly-fed wind turbine generator system.

A deformation test device inside a soil-mass belongs to the technology field of geotechnical engineering test. The invention includes a deformation coordinating tablet, a displacement transmission rod, a soft casing and a displacement meter, wherein the deformation coordinating tablet is pre-buried in the position to be determined in soil, the centre of the deformation coordinating tablet is fixedly connected with the displacement transmission rod, the other end of the displacement transmission rod is connected with the displacement meter, the displacement transmission rod is located in the soft casing, and the displacement transmission rod is isolated from the outside soil-mass by the soft casing. The invention has simple structure, convenient processing and simple operation, which is applied for geotechnical model test and can conveniently test the displacement inside the soil-mass, and the results are accurate and reliable.

The invention relates to a method for testing the performance of a vehicle door handle and a device thereof. The method comprises the following steps of: converting force born by the handle and the displacement of movement of the handle which are sensed by a force sensor and a displacement sensor in the opening process of the vehicle door into electric signals and transmitting the electric signals to a data collecting device ; converting two electric signals collected by the data collecting device into digital signals and transmitting the digital signals to a computer to carry out data processing and analysis; and displaying a real-time relation coordinate graph of the force and the displacement through a display. The device consists of the force sensor, the displacement sensor, a support rod, a magnetic disc, a universal joint and a fixture block. The testing method measures the force born by the handle and the displacement of the movement in the opening process of the vehicle door in real time, and gives the real-time relation coordinate graph of the force and the displacement. Therefore, the testing operation is convenient and rapid, and the testing result is correct and intuitionistic.

The invention discloses a smart bra for measuring and analyzing a female basal body temperature and a control method thereof. The smart bra comprises a bra body and a body temperature measurement device; the body temperature measurement device comprises a body temperature measurement processor and a temperature detector; the body temperature measurement processor is arranged in the centre of the bra body; the temperature detector is positioned at the side part of the bra body; the temperature detector is electrically connected with the body temperature measurement processor. Physiological states, such as a safe period, an ovulatory period, early pregnancy, corpus luteum insufficiency and the like, of a wearer can be known by monitoring the basal body temperature values of the wearer and analyzing the change of the basal body temperature values in a menstrual cycle, so that guidance is provided for pregnancy preparation or contraception of the wearer.

The invention discloses a recombinase polymerase isothermal amplification and test strip combined method for detection of Staphylococcus aureus. The method includes the steps of: designing a specificStaphylococcus aureus primer pair, taking the Staphylococcus aureus genomic DNA as the template, conducting recombinase polymerase isothermal amplification, and applying a colloidal gold test strip toacquire the detection result. The method is rapid and simple, has no need for expensive instruments and equipment, can generate a detectable level product only through 10min amplification under a 40DEG C constant temperature condition, and does not need a tedious electrophoresis process, a result can be acquired within 5min of colloidal gold test strip detection, and the result can be observed bynaked eyes. In addition, the method has strong specificity, is free of reaction with other bacterial genuses, has high sensitivity, and makes up for the disadvantages of the existing traditional detection technology. The method is expected to be applied to grass-roots inspection and quarantine institutions and become a conventional detection means, and is of important significance for improving food hygiene level, ensuring food safety and promoting the international food trade development.

The invention provides a high-resolution low-sidelobe deconvolution spectrum estimation method based on space-time processing, and belongs to the field of signal processing. The method is suitable forthe high-resolution power spectrum estimation of a received array signal at frequency and azimuth under the condition that the data sample is limited. According to the invention, a deconvolution algorithm is used for the multi-dimensional deconvolution operation of an array signal power spectrum with the limited length and a multi-dimensional window function power spectrum, so the method can completely eliminate the impact caused by a window function under the ideal conditions, and obtains a real power spectrum of a signal. Based on the conventional convolution technology, the method can greatly improve the frequency resolution and angle resolution of a power spectrum estimation result, can greatly inhibit the sidelobe caused by the limited length of data, provides an additional signal tonoise ratio, and provides a new idea for the multi-target detection and recognition and weak signal extraction in the array signal processing. In addition, the method is high in operability, is moderate in calculation burden, is stable in calculation result, and is very wide in application range.

The invention relates to a control circuit for detecting pavement disease by sound effect radar and ground penetrating radar and a detector comprising the control circuit. The sound effect radar and the ground penetrating radar are jointly used for detecting the pavement disease, so that the thickness, the compressive modulus of elasticity and the defect of each structural layer can be accurately confirmed. A sound wave shock excitation device and the ground penetrating radar control signals to be synchronized via the controller, the thickness of the structural layer of each road is accurately measured by virtue of the electromagnetic wave, and the compressive modulus of elasticity of each structural layer is computed by the sound wave propagation velocity difference. The control circuit and the detector are high in automaticity, low in fault efficiency, small in volume and convenient to use. Compared with the conventional pavement structure detector, the detector can realize quantized non-destructive detection on the thickness of the structural layer, the compressive modulus of elasticity, the structural discontinuous invisible disease and the like, and the detecting speed per hour can reach more than 60km/h, therefore, the detector is wide in application prospect.

The invention provides an evaluation method of in-vitro natural killer cell immunocompetence and application thereof. The evaluation method comprises the following steps of: co-culturing a target cellcarrying a fluorescence label A and a natural killer cell, dyeing and labelling dead cells generated after co-culture by using a fluorescence label B, and carrying out microscopic imaging on the dyedand labelled cells by using a bright field, a fluorescence channel matched with the fluorescence label A and a fluorescence channel matched with the fluorescence label B respectively so as to obtaina microscopic image, recognizing cells in the obtained microscopic image through image recognition, performing superposition synthesis analysis on recognition results of the same region, and evaluating the immunocompetence of the natural killer cells according to an analysis result. According to the invention, a direct reading method for directly obtaining a detection result through an image is adopted, so that the detection result is more accurate and visual; and thus, the method is suitable for the fields of medical diagnosis and biomedical industrialization with higher standardization requirements.

The invention discloses a test method and system for intelligent voice equipment. The method comprises the steps: converting selected original text data into voice data corresponding to pre-selected dialect data, superposing environment sound data of a pre-selected scene to obtain a complete test voice and playing the test voice; acquiring recognition text data obtained by recognizing the test voice by an intelligent voice device; and comparing the recognition text data with the original text data to obtain the recognition accuracy of the intelligent voice device. According to the test systemof the intelligent voice equipment, the test method of the intelligent voice equipment is adopted, the voice recognition accuracy of the intelligent voice equipment is tested under the condition thatdialect voice data with different tones are superimposed on different environment voice data, and then the intelligent voice equipment with more accurate voice recognition is provided for customers.

The invention relates to the field of virus detection, in particular to a real-time fluorescence quantification RT-PCR (reverse transcription-polymerase chain reaction) detection method for a BATV (batai virus) and a kit. The detection method comprises step as follows: primers and a probe are adopted to perform PCR amplification on a to-be-detected sample, wherein an upstream primer BATV-F-NS is represented as 5'-TCTCGCAAAAAGAAGTGAATGG-3'; a downstream primer BATV-R-NS is represented as 5'-TGGCAAGGAATCCACTGAGTCT-3'; the probe BATV-Probe-NS is represented as FAM5'-CCAGTTCCAGACGATGGTCTTACCCTCC-3'. According to the detection method and the kit, the special and fast molecular detection method which is more sensitive and more effective is established for the BATV, a real-time fluorescence quantification RT-PCR reaction system is built, and specificity and stability verification is performed on the system. With the adoption of the method, a fast and convenient technical means is provided for further development of distribution monitoring, clinical diagnosis and related research of the BATV in the future, so that the a researcher gets a better understanding of the virus.

The invention provides an evaluation method of in-vitro natural killer cell immunocompetence and application thereof. The evaluation method comprises the following steps: carrying out mixed co-cultureon target cells carrying a fluorescence label A and natural killer cells, then adding a fluorescence label B to label the target cells and the natural killer cells, and adding a fluorescence label Cto carry out dyeing labeling on dead cells generated after co-culture; and then carrying out microscopic imaging on the cells by using different fluorescence channels, identifying and analyzing the cells in the same area in the microscopic image by combining an image synthesis analysis method, and evaluating the immunocompetence of the natural killer cells according to an analysis result. According to the evaluation method, multiple data such as the cell death rate, the cell self-injury rate and the cell specific killing rate can be directly obtained through the images, the immunocompetence ofthe natural killer cells is obtained according to the data, and interference of impurities and cell debris is effectively eliminated.

The invention relates to the technical field of intelligent household appliances, and discloses a method for prompting self-cleaning of an air conditioner. The method comprises the steps of: obtaining a heat exchange amount information table, wherein the standard heat exchange amount of a heat exchanger corresponding to a first temperature difference value between the indoor environment temperature and the set temperature in different air conditioner operation modes is stored in the heat exchange amount information table; obtaining the current operation mode of the air conditioner and the first temperature difference value between the current indoor environment temperature and the set temperature, and matching the standard heat exchange amount corresponding to the first temperature difference value in the current operation mode from the heat exchange amount information table; according to the second temperature difference value of air inlet side aluminum foil fins and air outlet side aluminum foil fins of the heat exchanger, determining the actual heat exchange amount corresponding to the second temperature difference value; and according to the ratio of the actual heat exchange amount to the standard heat exchange amount, executing a corresponding self-cleaning prompt mode. The dust accumulation degree of the heat exchanger is determined through heat exchange amount changes, and a user is reminded to execute the self-cleaning mode. The invention further discloses a device for prompting self-cleaning of the air conditioner and the air conditioner.

The invention relates to a method for quickly determining ash content in a sulfenamide vulcanization accelerator, the method comprises the following steps: using a conductivity meter to determine the conductivity of deionized water to obtain conductivity C1 of the deionized water at 25 DEG C, taking a sulfenamide accelerator sample, adding the sample into the deionized water, mixing evenly, then standing for 2min-10min to prepare a sample solution, and then using the conductivity meter to determine the conductivity of the sample solution to obtain conductivity C2 of the sample solution at 25 DEG C; and according to a formula W=K2(C2-K1*C1)*% to calculate the ash content in the sulfenamide vulcanization accelerator; the method for quickly determining the ash content in the sulfenamide vulcanization accelerator is simple and practicable and is convenient to operate, and the detection time is short; and through use of the method, the ash content determination of a single sample takes about 10 min, the ash content determination of batch sample takes about 5 min-8 min, compared with a method specified in national standard GB/T11409, the detection time is substantially shortened, the ash content being qualified or not can be quickly calculated only with the need of detection of the conductivity, a detection process is rigorous with a small error, and detection results are accurate and intuitive.

The invention discloses a fabric performance detecting device for garment production. The device comprises a base used for bearing all components of the detecting device, wherein the base is providedwith a clamping frame, the top of the clamping frame is fixedly provided with a connecting seat, the two sides of the connecting seat are provided with two rotating shafts respectively, two crossing arms cross over the connecting seat, the bottoms of the two sides of the two crossing arms are provided with mounting bearings matched with the rotating shafts respectively, the tops of the two crossing arms are provided with a photosensitive plate and a luminescent plate respectively, and the base is provided with a flame projector with a spray head towards the clamping frame. Flame is sprayed ona to-be-detected fabric through the flame projector, then the light emitted by the luminescent plate is received by the photosensitive plate, and the burned area of the to-be-detected fabric can be accordingly obtained, thereby obtaining a quantified burning area to determine whether or not the fabric meets the performance requirements, and the test result is more visual and accurate.

The invention discloses a method for detecting whether an oil channel hole of a main bearing is communicated with an oil channel hole of an idler shaft or not. The method comprises the following steps that firstly, a cylinder body is put on an inspection bench; then, one of the oil channel hole of the main bearing and the oil channel hole of the idler shaft is connected with a jetting device; finally, the jetting device is started to jet liquid, and whether the liquid can be smoothly jetted out from the other oil channel hole or not is observed. According to the method for detecting whether the oil channel hole of the main bearing is communicated with the oil channel hole of the idler shaft or not, the liquid is jetted into one of the oil channel hole of the main bearing and the oil channel hole of the idler shaft, and whether the liquid can be smoothly jetted out from the other oil channel hole or not is observed, so that whether the two oil channel holes are communicated or not is inspected. The method is easy to operate, the inspection result is visual and accurate, and the inspection efficiency is high.

The invention discloses a method for measuring non-contact printing ink content in waster paper pulp and a deinking effect evaluation method, comprising: drying and weighing waster paper pulp sample, burning into ash content after charring, and weighing the weight of the ash content; calculating the ash purity Ap in the waster paper pulp; measuring iron content Ia in the ash content, and obtaining the iron content in the waster paper pulp Ip=Ap*Ia; sampling from the waster paper pulp with the known printing ink content Tp', measuring the iron content Ip' in the waster paper pulp, and calculating the iron content It in the printing ink; obtaining the actual printing ink content Tp in the pulp with the relational expression of Tp=Ip/It; respectively measuring the actual printing ink content Tp and T'p in the waster paper pulp before and after flotation; obtaining oven dry stock quantity P and P' before and after flotation by measuring the concentration of the waster paper pulp and weight the mass of the sizing agent; and calculating the actual deinking efficiency of flotation. The invention can be used for accurately quantifying the printing ink content, provides strong technical support for deinking control of waste paper, and gives more accurate evaluation to the deinking effect in the production practice of the waste paper.

The invention discloses a method for testing the hook attaching performance of fishing bait. The method comprises the following steps: firstly, measuring the water content and dry basis water content in the bait, then adding the bait and water into a dough mixer for blending, weighing a blended bait ball, filling the blended bait ball into an aluminum box with a cover in which fishhooks are placed, performing pressing and compacting, then opening the cover, taking out the fishhooks wrapped with the bait balls, suspending the three hooks wrapped with the bait balls in a beaker containing clear water, after a period of time, taking the fishhooks out and placing the fishhooks on the weighed filter paper, carefully scrapping off residual bait on the fishhooks, placing the filter paper and the residual bait in an oven to be dried to constant weight, weighing the mass of the filter paper and the mass of the residual bait, and finally calculating the kook attaching performance. The method is simple and easy to operate, the detection result is visual and accurate, and the problems that the judgment of the ook attaching performance of the bait completely depends on experience and intuition and errors are large in the past are solved.

The invention discloses a micro heat distribution test method and system. The microscopic heat distribution test method comprises the following steps of: fixing the test piece on the test platform; adjusting the orientation of the test platform by the universal adjustment sample stage, and adjusting the temperature of the test platform by a circulating water cooling device, a heating circuit and ahigh and low temperature digital display temperature controller; transmitting the test input signal provided by the programmable DC power supply to the test piece through the probe; observing the optical response information from the surface of the test piece to the test input signal through a macro lens and a probe stage microscope, then recording and transmitting it in the form of an optical image to the terminal; obtaining the heat distribution response information of the test piece to the test input signal by the heat distribution tester, then transmitting it to the terminal in the form of data parameters and heat distribution images; and analyzing and processing optical images, data parameters, and thermal distribution images by the terminal. According to the microscopic heat distribution test method and system, the defect of the test piece can be accurately found by analyzing the heat distribution response information of the test piece.