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 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 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 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 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 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 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.

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.