34results about How to "The detection method is reasonable" patented technology

A ship loader level two-dimensional laser scanning radar automatic detecting system and a method relates to the automatic detecting technical field, wherein, the system comprises two sets of laser scanning devices, an industrial control main frame and an image pick-up device; each laser scanning device comprises a two-dimensional laser radar, a servomotor, a shaft coupling, a rotating main shaft, a limit and zero sensor, a bearing seat containing a bearing, a contracting brake device, a laser radar back support and an L-shaped mounting bottom plate; the image pick-up device comprises a pickup camera and a tripod head. By means of the realtime scanning of the two-dimensional laser radar, the invention collects related data of a ship cabin, a loading chute and material; meanwhile, the invention provides a device realizing realtime display of the status of the ship cabin, the loading chute and material stacking as well as corresponding detection and data processing method. The system realizes three-dimensional scanning of the ship loader and material by means of the two-dimensional laser scanning radar which is combined with the servo motor and a motion control card. In addition, the invention can realizes less than 200mm positioning error of hatchway position and less than 100mm surface topography identification error.

The invention discloses a method and a device for probing an available bandwidth, belonging to the field of internet technology. The method comprises the steps of: receiving first probing data packetssent by a sending end every preset time period; calculating a delay value of one-way delay of the first probing data packets within the current time period; and when the delay value of one-way delayis determined to change suddenly, taking the receiving rate calculated according to the data volume of the first probing data packets as an available bandwidth within the current time period. The method and the device do not rely on multimedia data packets, but probe based on the first probing data packets special for probing an available bandwidth. Since the first probing data packets do not contain related data of audio and video communication, the loss does not affect the communication quality, and the packet loss probability of each kind of data packets in a network is the same. When the network is congested, in the presence of the first probing data packets, the lost multimedia data packets are less than those in the prior art, so that the audio and video communication quality is obviously improved. Therefore, the probing method is more reasonable.

The invention relates to a method for non-destructively detecting segmented suction resistance of cigarettes and belongs to the technical field of cigarette quality detection. The method utilizes thebasic feature of flow conservation and quasi-series of air flows passing through a cigarette, realizes measurement of the suction resistance of each part of the cigarette based on a cigarette suctionresistance measurement method, independently acquires closed suction resistance data of a filter tip section and a cigarette section without mechanically separating the filter tip section and the cigarette section, determines that the permeation resistance of the whole filter tip laser-punched cigarette is composed of five permeation resistance values according to the cigarette suction resistanceformation theoretical basis that the pressure of flows passing through the cigarette is in direct proportion to the amount of flows passing through the cigarette and the ratio is cigarette permeationresistance (unit: Pa. s / ml) which is a physical property parameter, and calculates segmented suction resistance values of all parts of the cigarette. The method can satisfy the actual engineering demands of providing the basic support for cigarette product quality traceability, product design and process optimization.

The invention discloses a specific primer used for rapid detection of a kiwi fruit soft rot pathogenic bacterium, and a detection method of the kiwi fruit soft rot pathogenic bacteriaum. A problem that existing technology is incapable of realizing accurate and rapid detection of the kiwi fruit soft rot pathogenic bacterium is solved. The specific primer comprises BZY-1 and BZY-2, the sequence of BZY-1 is 5'-CCATCAAACTCCAGTCAGTAAACG-3', and the sequence of BZY-2 is 5'-CTGCGCTCCGAAGCGAGATGTATG-3. The detection method of the kiwi fruit soft rot pathogenic bacterium comprises following steps: (1) DNA of samples are extracted; (2) the sample DNA is taken as a template, and primer BZY-1, primer BZY-2, 2*TaqPCRMasterMix and sterile ultrapure water are added for uniform mixing, and then PCR amplification is performed; and (3) an amplification product is subjected to agarose gel electrophoresis analysis, and the existence of the kiwi fruit soft rot pathogenic bacterium is determined based on the existence of amplification bands. Specificity of the primer is extremely high, only the kiwi fruit soft rot pathogenic bacterium band can be obtained by amplification, so that it is just needed to extract genome DNA from kiwi fruit tissue to be detected for PCR amplification, and the existence of the kiwi fruit soft rot pathogenic bacterium is determined based on the existence of amplification bands in electrophoretograms.

The invention relates to the technical field of air filter performance tests, in particular to a dust filtering performance testing method and system of an air filter for a cab of a vehicle on the road. The testing method comprises the following steps of: testing the filter element filtering efficiency, i.e. respectively testing dust particle concentration C1 before a test sample piece is installed and dust particle concentration C2 after the test sample piece is installed; and calculating the filtering efficiency E according to a formula (C1-C2) / C1*100%, namely E=(C1-C2) / C1*100%. The testing method provided by the invention is more scientific and reasonable and can be used for accurately reflecting the dust filtering performance of the air filter, and a testing device provided by the invention has high precision for a testing result, thereby being favorable for controlling the quality of the filter, ensuring that a consumer phases a qualified air filter, and also being beneficial to a producer to continuously improve the production process, the production technology and the quality of products.

The invention discloses a method for detecting closely spaced frequency components of non-stationary signals. The method comprises the following steps: performing EMD on non-stationary signals to be detected, and then obtaining the frequency spectrum and limit spectrum of the non-stationary signals to be detected through Hilbert transformation; obtaining the value of each frequency component through processing frequency spectrum graph data, and extracting signals with different frequency components by use of a filtering method; determining whether each frequency component comprises multiple frequency values which are not separated through AMD; if a frequency aliasing phenomenon occurs in the signals, performing the AMD on the frequency components, and separating signals with similar frequencies; and then performing operation on the separated signals according to a previous step sequence until single-frequency signals are separated, such that it can be ensured that the decomposed signals all have single-frequency components. The method provided by the invention solves the problem that Hilbert-Huang transformation cannot effectively separate signals with two closely spaced frequency components, correct decomposition of signal effective data is ensured, and the signal decomposition precision is improved.

The invention discloses a method for measuring chromium content in edible gelatin. After the edible gelatin sample is digested by microwaves, it is detected by an inductively coupled plasma atomic emission spectrometer, thereby obtaining the chromium content in the edible gelatin sample. Compared with the prior art, the present invention adopts the combination of inductively coupled plasma atomic emission spectrometry and microwave digestion, which has the characteristics of high sensitivity, good precision, wide linear range and fast analysis speed, and provides a new method for the detection of heavy metals in candies. A convenient, fast, accurate and reasonable detection method can meet the needs of enterprises and inspection and testing units.

The invention provides a method for detecting zymoprotein residues in cefprozil prepared by an enzymatic method. The method is characterized by comprising the following steps: preparing a Coomassie brilliant blue G-250 dye solution and a standard protein stock solution; preparing a standard curve solution by taking a sodium bicarbonate solution as a solvent; preparing a blank solution by taking asodium bicarbonate solution as a solvent; preparing a test sample determination solution by taking a sodium bicarbonate solution as a solvent; drawing an absorbance-protein concentration standard curve through blank solution correction by using an ultraviolet spectrophotometer; and calculating the residual content of zymoprotein contained in the test sample according to the absorbance value read by the test sample determination solution. Sodium bicarbonate is ingeniously selected as a solvent, cefprozil can be dissolved, zymoprotein can be fully dissolved, the residual quantity of zymoproteinin a cefprozil product prepared through an enzymatic method can be effectively measured, the medication safety of medicine is improved, and the detection method is easy to operate, high in accuracy and good in reproducibility and reliability.

The present invention provides a pool cue performance detection method and detection platform. The method comprises: obtaining a force transmission coefficient K1 of a pool cue by obtaining a speed V1before the pool cue strikes a ball and a speed V2 obtained after the ball is struck, and obtaining an impact time K2 of the pool cue by obtaining an action time T of an impact force F from the ball during process of the pool cue striking the ball, wherein: K2=T. The method has the beneficial effects that: the method provides a pool cue performance detection method, obtains useful parameters during the process of the pool cue striking the ball, directly and objectively evaluates performance of the pool cue, is used for objective quantitative evaluation the pool cue performance, gives standardized judgement of the pool cue performance, and is a reasonable detection method; the present invention provides the pool cue performance detection platform, simulates the process of the pool cue striking the ball, and has a simple structure and a clever design. The pool cue performance detection platform can provide a basis for accurately evaluating the pool cue performance, so that the pool cue performance no longer stays in perceptual knowledge, but has an objective quantitative evaluation index.

The invention discloses a specific primer used for rapid detection of a kiwi fruit soft rot pathogenic bacterium, and a detection method of the kiwi fruit soft rot pathogenic bacteriaum. A problem that existing technology is incapable of realizing accurate and rapid detection of the kiwi fruit soft rot pathogenic bacterium is solved. The specific primer comprises BZY-1 and BZY-2, the sequence of BZY-1 is 5'-CCATCAAACTCCAGTCAGTAAACG-3', and the sequence of BZY-2 is 5'-CTGCGCTCCGAAGCGAGATGTATG-3. The detection method of the kiwi fruit soft rot pathogenic bacterium comprises following steps: (1) DNA of samples are extracted; (2) the sample DNA is taken as a template, and primer BZY-1, primer BZY-2, 2*TaqPCRMasterMix and sterile ultrapure water are added for uniform mixing, and then PCR amplification is performed; and (3) an amplification product is subjected to agarose gel electrophoresis analysis, and the existence of the kiwi fruit soft rot pathogenic bacterium is determined based on the existence of amplification bands. Specificity of the primer is extremely high, only the kiwi fruit soft rot pathogenic bacterium band can be obtained by amplification, so that it is just needed to extract genome DNA from kiwi fruit tissue to be detected for PCR amplification, and the existence of the kiwi fruit soft rot pathogenic bacterium is determined based on the existence of amplification bands in electrophoretograms.

The invention relates to a method for nondestructively detecting the draw resistance of the cigarette sections of a cigarette. According to the method, on the basis of a plurality of states between measured parameters, total pressure drop, the gas flow of a filter vent hole and the position of the filter vent hole of the cigarette under three states are measured. With the method adopted, the influence of cigarette paper is eliminated in a calculation process on the premise that a draw resistance relation between the cigarette paper and cut tobacco sections cannot be determined. On the basis ofa cigarette draw resistance measurement method, the measurement of the draw resistance of each part of the cigarette is realized, calculation errors caused by the uncertainty of a relation between the cigarette paper and the cut tobacco sections is reduced, and meanwhile, the coating treatment of the cigarette is also reduced (from three times to two times). The detection method and measurement data are more scientific, reasonable, accurate and more practical. Practical engineering requirements for providing basic support for cigarette product quality tracing, product design and process optimization are satisfied.

The invention provides ingavrin and a method for detecting impurity of an ingavrin preparation. The method is a high-performance liquid chromatography, takes octadecylsilane chemically bonded silica or octa-silane chemically bonded silica as a chromatographic column of a filler, takes a mixed solvent of an organic phase and a water phase as a mobile phase for gradient elution, and ten impurities in ingavrin and its preparation can be determined. The method has the advantages of low process and low cost, by employing a gradient elution method, ten impurities in ingavrin and its preparation can be effectively determined and separated, the detection method is scientific, reasonable and objective, so that the ingavrin quality can be better controlled.

The embodiment of the invention provides an optical fiber line detection control method, device and equipment and a readable storage medium, and the method comprises the steps: setting a correspondingmonitoring optical fiber line for at least one to-be-detected optical fiber line, setting a reflection signal for reflecting a test signal on the monitoring optical fiber line, and in a monitoring process, when it is determined that the line detection triggering condition is met according to the condition of the reflection signal received on the monitoring optical fiber line, controlling line detection to be conducted on the at least one to-be-detected optical fiber line corresponding to the monitoring optical fiber line, wherein line detection is not conducted circularly according to a fixeddetection period, and the control mode is more flexible and reasonable; since the resources required to be consumed for sending the test signal and receiving and processing the reflection signal arefar less than the resources required to be consumed for detecting the optical fiber line to be detected, triggering the to-be-detected optical fiber line to be subjected to line detection only when required based on monitoring of the monitoring optical fiber line; and increasing the resource utilization rate to a great extent.

The invention relates to a method for detecting the external load switch of an electric energy meter. The method comprises the steps that: (1), the control line and the feedback line of the external load switch are correspondingly connected to a tripping control terminal and a feedback terminal of the electric energy meter; (2), the tripping control terminal outputs a control signal; and the output end of the external load switch correspondingly outputs feedback voltage; (3), the feedback voltage outputs the corresponding feedback level through a feedback signal detection circuit; (4), a feedback signal is detected according to the feedback level; and furthermore, the feedback voltage is judged according to the feedback signal, so that the state of the external load switch is detected; (5), when both the actual state of the external load switch detected by the power and the actual state of the external load switch detected by the feedback voltage are disconnection states, the actual state of the external load switch is the disconnection state; and otherwise, the external load switch is closed; and (6), if the command signal of the external load switch is not the same as the actualstate, abnormal processing on the external load switch is carried out. The accuracy rate of the detection method is relatively high; and the detection method is relatively reasonable and reliable.

A detection method for closely spaced frequency components of a non-stationary signal, said method comprising the following steps: performing EMD decomposition on the non-stationary signal to be measured, and then obtaining the time spectrum and marginal spectrum of the non-stationary signal to be measured by Hilbert transform; The value of each frequency component is obtained by processing the spectrogram data, and the signals of different frequency components are extracted by filtering method; through AMD decomposition, it is judged whether each frequency component contains multiple frequency values ​​that have not been separated; if the signal has frequency mixing If there is an overlap phenomenon, AMD decomposition is performed on the frequency components to separate signals with similar frequencies; the separated signals are then operated in the order of the above steps until a single frequency signal is separated to ensure that the decomposed signals are all single frequency components. The invention solves the problem that the Hilbert-Huang transform cannot effectively separate two closely spaced frequency component signals, ensures the correct decomposition of effective data of the signal, and improves the resolution precision of the signal.

The invention provides a billiard cue performance detection method and a detection platform, by obtaining the velocity V before the billiard cue hits the ball 1 and the velocity V obtained by the ball after impact 2 , get the force transmission coefficient K of the billiard cue 1 , by obtaining the action time T of the impact force F from the ball in the process of the billiard cue hitting the ball, the impact time K of the billiard cue is obtained 2 , where: K 2 =T. The beneficial effects of the present invention are: a method for detecting the performance of a billiard cue is provided, which can obtain useful parameters in the process of hitting a billiard cue, directly and objectively evaluate the performance of a billiard cue, be used for objective and quantitative evaluation of the performance of a billiard cue, and standardize the judgment of a cue cue. The performance of the billiard cue is reasonable, and the detection method is reasonable; a billiard cue performance detection platform is provided to simulate the hitting process of the billiard cue, the structure is simple, and the design is ingenious. The performance of the rod no longer stays in perceptual knowledge, but has objective and quantitative evaluation indicators.

The invention discloses a method and a device for probing an available bandwidth, belonging to the field of internet technology. The method comprises the steps of: receiving first probing data packetssent by a sending end every preset time period; calculating a delay value of one-way delay of the first probing data packets within the current time period; and when the delay value of one-way delayis determined to change suddenly, taking the receiving rate calculated according to the data volume of the first probing data packets as an available bandwidth within the current time period. The method and the device do not rely on multimedia data packets, but probe based on the first probing data packets special for probing an available bandwidth. Since the first probing data packets do not contain related data of audio and video communication, the loss does not affect the communication quality, and the packet loss probability of each kind of data packets in a network is the same. When the network is congested, in the presence of the first probing data packets, the lost multimedia data packets are less than those in the prior art, so that the audio and video communication quality is obviously improved. Therefore, the probing method is more reasonable.

The invention discloses coated abrasive tool bonding strength detection equipment which comprises a U-shaped seat and is characterized in that a mounting plate is mounted on the U-shaped seat, a motor is mounted on the U-shaped seat, the output end of the motor is fixedly connected with a rotating rod, and the rotating rod penetrates through the mounting plate and is rotationally connected with the mounting plate; a vertical plate and two supporting blocks are fixedly connected to the upper end of the mounting plate, the vertical plate is perpendicular to the mounting plate, a sliding rod in sliding connection with the vertical plate is arranged on the vertical plate in a penetrating mode, a connecting rod mechanism is arranged between the sliding rod and the rotating rod, and a first piston cylinder is installed on the vertical plate in a penetrating mode. The device can simulate the actual manual polishing condition, the polishing condition under different pressures and the actual condition that polishing is stopped or intermittent polishing is carried out due to the fact that the coated abrasive tool generates heat during polishing, so that the device has more practical reference value in the detection of the bonding strength of the coated abrasive tool, the detection mode is more reasonable, and the detection efficiency is improved. And the method has more practical significance for evaluating the bonding strength of the coated abrasive tool.

The invention provides a method for producing a wide-angle camera module by using a non-wide-angle machine, and relates to the technical field of wide-angle camera production. The method for producingthe wide-angle camera module by using the non-wide-angle machine comprises the following steps: S1, preparing the wide-angle camera module, and placing a finished wide-angle camera module into a maintransmission unit for transmission; S2, a first detection unit performs preliminary detection on the wide-angle camera module; and S3, carrying out imaging distortion detection on the detected wide-angle camera module bythe second detection unit. According to the technical scheme of the invention, during the production process of the wide-angle camera module,the appearance part of the wide-anglecamera module is measured and judged through the first detection unit; the second detection unit is used for carrying out imaging distortion detection on the detected wide-angle camera module, so thatthe detection mode of producing the wide-angle camera module by the non-wide-angle machine is relatively reasonable, the finished product quality of the wide-angle camera module is further improved,and the long-term development of enterprises is facilitated.

The invention provides esomeprazole sodium and a method for detecting content of the esomeprazole sodium for injection. A chromatographic column, using octadecyl silane bonded silica gel or octo-alkyl silane bonded silica gel as a filling agent, implements the gradient elution with mixed solvent of an organic phase and a water phase as a mobile phase to measure the esomeprazole sodium and the content of eight impurities thereof. The method is simple in process and low in cost, and adopts the gradient elution method to measure the esomeprazole sodium and the content of eight important impurities thereof; the detection method is scientific, reasonable and objective, so that the quality of the esomeprazole sodium can be preferably controlled.

The invention relates to the technical field of air filter performance tests, in particular to a dust filtering performance testing method and system of an air filter for a cab of a vehicle on the road. The testing method comprises the following steps of: testing the filter element filtering efficiency, i.e. respectively testing dust particle concentration C1 before a test sample piece is installed and dust particle concentration C2 after the test sample piece is installed; and calculating the filtering efficiency E according to a formula (C1-C2) / C1*100%, namely E=(C1-C2) / C1*100%. The testing method provided by the invention is more scientific and reasonable and can be used for accurately reflecting the dust filtering performance of the air filter, and a testing device provided by the invention has high precision for a testing result, thereby being favorable for controlling the quality of the filter, ensuring that a consumer phases a qualified air filter, and also being beneficial to a producer to continuously improve the production process, the production technology and the quality of products.

The invention relates to the technical field of pharmaceutical analysis, and discloses a method for detecting the content of impurities in an etravirine intermediate 1, the method comprises the following steps: step 1, treating the etravirine intermediate 1 by using a chromatographic column in which octadecylsilane bonded silane is used as a filling agent; step 2, carrying out gradient elution by taking an organic phase and a water phase as mobile phases; and step 3, carrying out high performance liquid chromatography analysis and determination, and determining the content of the etravirine intermediate 1 and the six impurities of the etravirine intermediate 1. The method for detecting the content of the impurities in the etravirine intermediate 1 is simple in process and low in cost, a gradient elution method is adopted, the content of the impurities in the etravirine intermediate 1 can be measured, and the detection method is scientific, reasonable and objective, so that the quality of etravirine can be better controlled.

The invention provides a tower solar thermal power generation heliostat integral profile splicing on-line detection device and a detection method. The detection device is constituted by truss supporting structures, truss fixing structures, and displacement sensors. The truss supporting structures are fixedly disposed on foundation food stands in a paired manner, and truss fixing structures are disposed on the upper parts of the pairs of truss supporting structures in a bridged manner, and the bottom parts of the two ends of the truss fixing structures are fixedly connected with the top parts of the truss supporting structures to form groups of gantry structures. The displacement sensors are vertically disposed on the two sides of the truss fixing structures in a paired manner, and every two displacement sensors are used to form a group, and every truss fixing structure is horizontally provided with a plurality of displacement sensors. The detection device is formed by arranging a plurality of groups of gantry structures vertically. The detection method comprises steps that the detection device is used to detect and adjust installation height of a detected heliostat, and then the installation precision of the heliostat is in a theoretical error range, and therefore a requirement of carrying out the detection during the installation and the adjustment is satisfied during a heliostat integral profile splicing on-line detection process.

The invention relates to a textile physical property detection method. The method comprises the following steps: sampling three times, and during sampling each time, selecting at least four weft direction testing pieces and at least four warp direction testing pieces on the same to-be-sampled textile; taking apart the outer edge raw yarn of the length side of each testing piece uniformly, and adjusting the widths of the testing pieces to be 40-60 mm; testing one by one by adopting a tensile measuring machine, wherein in the testing environment, the humidity is 57% RH, the temperature is 25 DEGC, the cloth pulling speed is 100-150 mm / min, the maximum force value is 500 N, the maximum elongation value is 40-50%, and the measurement length of each testing piece is 200-300 mm per segment; removing the abnormal value, and retaining the test results of three weft direction testing pieces and three warp direction testing pieces. A reasonable and effective detection method is formed in the invention, various tensile testing numerical values of the textile can be objectively detected, so that the physical condition thereof is determined, the rupture capacity and tearing capacity of the textile are objectively responded, and the product quality of a manufactured textile is conducive to be improved.

A method for non-destructive detection of segmental draw resistance of cigarettes, characterized in that: the method is obtained by forming a plurality of states among the measured parameters through a linear network model, which includes the total pressure of three states Measurement of the gas flow rate of the drop and filter vents and the position of the cigarette filter vents. The advantage of the present invention is that: on the premise that the relationship between the cigarette paper and the shredded tobacco segment's draw resistance cannot be determined, the influence of the cigarette paper is eliminated in the calculation process. On the basis of the measurement method of cigarette draw resistance, the measurement of the draw resistance of each part of the cigarette stick is realized, which reduces the calculation error caused by the uncertain relationship between the cigarette paper and the shredded tobacco section, and at the same time reduces the wrapping treatment of the cigarette stick ( Reduced from three times to two times), the detection method and measurement data are more scientific, reasonable, accurate and more practical. To meet the actual engineering needs of providing basic support for cigarette product quality traceability, product design and process optimization.

The invention relates to a visual inspection method for spatial arc positions and postures. A spatial arc is mapped to a virtual imaging plane gamma 1 of a virtual camera {C1} to build a mathematical conversion model between an actual image Ima of the spatial arc in an actual camera coordinate system {C} and a virtual image I'ma mapped in the virtual camera {C1}. The visual inspection method has high convergence, radial distortion correction can be performed before feature sampling points in the images are mapped, mapping transformation errors are decreased, detection precision is improved, three-dimensional matching links are omitted, the measuring method is simple and reasonable, and required hardware cost is low.

A non-destructive and rapid method for measuring the segmental draw resistance of cigarettes, based on the measurement of the total pressure drop and gas flow in no more than three states and the measurement of the position of the ventilation hole of the cigarette filter, based on the time when the cigarette smoke flows through The basic characteristics of flow conservation and "quasi-series connection" formed can realize the non-destructive and rapid measurement of the draw resistance of each segment of a cigarette without mechanical separation of the cigarette filter section and the cigarette branch section. The theoretical basis is that the fluid passes through the The pressure drop formed by the cigarette is proportional to the flow rate of the fluid flowing through the cigarette, and the ratio between the two is the cigarette permeability resistance. The draw resistance of each segment of the cigarette branch is obtained through the flow conservation relationship formed by the "quasi-series" method in multiple states. This method is easy to operate, and at the same time, the air distribution ratio of each segment of the cigarette varies less under different conditions, and has better linearity, so the measurement results obtained are more scientific, reasonable and accurate, and can be used for cigarette product quality traceability, product design and process Optimization provides effective support.

The invention relates to a medicated leaven digestion promoting oral composition detection method, which comprises the following steps of 1) preparing a reference product solution; taking a paeoniflorin reference product; adding a methanol solution for preparing a paeoniflorin reference product solution; 2) preparing a trial product solution; feeding a polyamide absorption column with a trial product; performing elution by water; collecting elution liquid; performing filtering; taking subsequent filtrate; 3) performing determination; respectively taking the reference product solution and the trail production solution; injecting the reference product solution and the trail production solution into a liquid chromatograph to obtain a chromatogram; calculating the content of active ingredients in the trail product solution according to the peak area.