288results about How to "Detection is simple and fast" patented technology

Nucleic acids are fixed or immobilized to non-porous solid supports (substrates), and include systems containing such supports and arrays with fixed or immobilized nucleic acids. These compositions are useful for nucleic acid analyses and a host of applications, including, for example, detection, mutational analysis and quantification. The non-porous solid supports can be transparent or translucent, and the surfaces can be treated with agents to fix or immobilize the nucleic acids. Such agents include, for example, amine providing compounds, epoxy compounds and acid solutions. The fixed or immobilized nucleic acids can be unlabeled, or labeled with at least one non-radioactive signaling moiety, such as the case when the nucleic acids are double-stranded.

The present invention relates to an arrangement comprising an Ethernet carrier network, managed by a management system (100) and comprising a number of levels of management domains, each comprising a number of edge nodes (10, 20, 30, 40) and a number of intermediate nodes (1, 2, 3, 4, 5, 6, 7, 8). Each edge node (10, 20, 30, 40) comprises fault detection of connectivity check messages and fault locating means with holding means (11, 21, 31, 41) adapted to hold path information for the paths to all other edge nodes. A fault detection means of an edge node having detected a fault is adapted to activate edge node fault locating means to locate the fault using the patch information in the edge node holding means to find a first target intermediate node substantially in the middle of the path containing the fault, and to, directly, send a first loop back message to said intermediate node. A response from said intermediate node indicates that the fault is located at the distant portion of the path, no response indicates that the fault is located at the proximate portion of the path. Further loop back messages are sent to consecutively identified intermediate nodes of the respective path portion identified to contain the fault by the respective preceding loop back message until the fault is localized.

A method and means for delivery of drugs to the chorio-retina and the optic nerve head which comprises contacting the surface of the eye with an effective amount of drug for treatment of chorio-retina and optic nerve head and a physiologically acceptable adrenergic agent for enhancing delivery of the drug to these tissues in an ophtalmologically acceptable carrier, said adrenergic agent being selected from the group consisting of alpha adrenergic agonist agents, derivatives of the alpha adrenergic agonist agents, beta-blocking agents, derivatives of the beta-blocking agents and mixtures thereof.

The invention relates to a steering engine tester and a testing method thereof, which belong to the technical field of guided bombs. The tester comprises a control cabinet and a simulation load table, wherein the control cabinet comprises a steering engine controller, a regulated power supply, an industrial control computer, a display, a keyboard and a main power supply switch; the simulation load table comprises a photoelectric encoder, a torque sensor and a magnetic powder brake; a steering engine shaft of a steering engine to be tested is mechanically connected with a rotating shaft of the photoelectric encoder through a shaft coupling; the steering engine to be tested is in digital signal communication with the steering engine controller through a data line; and steering engine testing software is installed in the industrial control computer. The tester provided by the invention has the advantages of more plentiful testing contents, more complete testing equipment, more intelligent testing software, prompting of operating information on a software interface, shielding of keys which are required to be operated, change of parameter input items according to selected testing items, information prompt for improper operation, and great reduction in the probability of error operation.

The invention discloses a method for recognizing a zebra crossing and measuring the zebra crossing distance based on line-by-line scanning. The method for recognizing a zebra crossing comprises the following steps: constructing a wavelet function template containing an odd wavelet function and an even wavelet function; carrying out line-by-line scanning on an image to be detected, and respectively carrying out convolution operation on grey scale value vectors of all pixel points in each scanning line with the odd wavelet function and the even wavelet function; defining a response function formula, and calculating response function vectors corresponding to all the pixel points in each scanning line in accordance with the formula; and recognizing the zebra crossing in accordance with response function values and a preset threshold. After the zebra crossing is recognized, by calibrating the distance between an imaging device and the image formed by the imaging device in advance, the distance from the scanning line first detecting the zebra crossing to the imaging device can be obtained, thereby realizing the measurement of the zebra crossing distance. The method recognizes the zebra crossing based on the line-by-line scanning of the image by using the wavelet template, and has the advantages of good anti-jamming ability, high recognition accuracy and high recognition speed duringzebra crossing recognition.

The invention discloses a kit for detecting the content of a serum amyloid protein A. The kit comprises a reagent R1, a reagent R2 and a serum amyloid protein A calibrator, wherein the reagent R1 comprises a first buffer solution, a first electrolyte, a surfactant, a first stabilizer, a high-molecular accelerant and a first preservative; the reagent R2 comprises a second buffer solution, anti-human serum amyloid protein A antibody coated latex particles, a second electrolyte, a second stabilizer and a second preservative; the serum amyloid protein A calibrator comprises a third buffer solution, a third stabilizer, a third preservative, an antioxidant and an anti-human serum amyloid protein A antigen. The invention further discloses an application of the kit for detecting the content of the serum amyloid protein A to the detection of the content of the serum amyloid protein A and a method for detecting the content of the serum amyloid protein A by adopting the kit for detecting the content of the serum amyloid protein A. By adopting the kit and the method disclosed by the invention, the content of the serum amyloid protein A can be detected easily and rapidly.

The invention relates to a flow injection ammonia nitrogen color matching detection method, belonging to analytical chemistry technical field, which comprises injecting release solution as dilute NaOH solution into a capillary pipeline system connected with a gas liquid separator, injecting quantitative water sample to flow and circulate along with the release liquid in the capillary pipeline system, releasing ammonia from the water sample at the deep groove of the gas liquid separator and penetrate a ventilated membrane to be absorbed by acid-base indicator receive solution of more acid in another capillary groove at another side of the membrane, to change the color of the acid-base indicator, and feeding the receive solution absorbed with ammonia into a flow-through cell of a chromometer, using the photoelectric colorimeter to test the change of translucent photoelectric voltage and calculating out the ammonia nitrogen density of the sample water. The invention further provides a relative device. The invention can realize online detection of ammonia and nitrogen contents of water or solution quickly and simply, with accurate and reliable detected data, which only needs 50ul-1ml water sample injected in one time, low agent consumption, low cost and safe agents.

The invention discloses an apolipoprotein C3 detecting kit, comprising a reagent R1 consisting of a buffer solution, a surfactant, a stabilizer, electrolyte, a macromolecular promoter and a preservative, with the pH of 6-9, a reagent R2 consisting of a buffer solution, an anti-human apolipoprotein C3, a stabilizer, electrolyte and a preservative, with the pH of 6-9, and a calibrator consisting of a buffer solution, an apolipoprotein C3 antigen, a stabilizer, a preservative and antioxidant. The invention further discloses method for detecting an apolipoprotein C3 by using the apolipoprotein C3 detecting kit. The apolipoprotein C3 detecting kit is easy to operate, high in detection speed and wide in detection range; requirements on quick and high-throughput sample detection in clinic can be met; and the detection efficiency is obviously improved.

Disclosed is a nucleic acid amplification method which is based on a new principle and enables to amplify a nucleic acid having a specific nucleotide sequence in a simple manner, within a short time and with efficiency. The nucleic acid amplification method comprises the steps of: (a) conducting a DNA polymerase chain reaction by using, as a template, DNA comprising a nucleotide sequence to be amplified and using a primer pair having a nucleotide sequence complementary to the nucleotide sequence to be amplified, thereby producing a linear DNA fragment; and (b) conducting a chain-substituting DNA polymerase chain reaction in a chaining manner by using cyclic single-stranded DNA comprising the same nucleotide sequence as that of at least one of the primer pair as a template and employing the 3′-terminus of the linear DNA fragment produced in step (a) as the replication origin.

The present invention discloses a multi-source fault detection and diagnosis method and device. The method includes the following steps: obtaining historical data in a normal state of a system, constructing a multi-level knowledge map in a normal state, and mining a deep-level association path of the multi-level knowledge map in a normal state; obtaining data to be detected in a current to-be-detected state of the system, constructing a multi-level knowledge map under the to-be-detected state, and mining the deep-level association path of the multi-level knowledge map in the to-be-detected state; determining whether the data to be detected is in a fault state; if the system is in a fault state, a fault variable is determined, constructing a multi-level knowledge map fault model under the to-be-detected state; and performing multi-source fault diagnosis by using the multi-level knowledge map fault model and combing with a Bayesian theory.

The invention relates to a method and device for detecting the stack overflow position. The method and device are used for rapidly and conveniently detecting the stack overflow position. The method comprises the steps that before a function to be detected is executed, the initial value of a randomly initialized figure in a program is determined, wherein the randomly initialized figure is located at the bite alignment address which is closest to and in front of the last element of an array buffering area of the program; the function to be detected is executed, and after the function to be detected is executed, the current value of the randomly initialized figure is obtained; whether the current value and the initial value are equal or not is judged; if the current value is equal to the initial value, it is determined that stack overflow does not happen to the function to be detected; if the current value is not equal to the initial value, it is determined that stack overflow happens to the function to be detected. By the adoption of the method, the stack overflow position can be rapidly and conveniently detected out.

The invention discloses a troponin I resisting monoclonal antibody. An amino acid residue sequence of a light chain of the antibody is shown in SEQ ID No.1 and the amino acid residue sequence of a heavy chain is shown in SEQ ID No.2. The antibody is generated by a hybridoma cell line 5G9A10E3 with a preservation number of CCTCC NO.C201059 through secretion. The troponin I resisting monoclonal antibody can be applied to preparing various detection kits of the troponin I. A detection kit prepared by using the monoclonal antibody and a colloid gold immunochromatographic assay can ensure that the detection sensitivity reaches 97.74 percent, the detection specificity reaches 94.74 percent and the detection accuracy reaches 96.72 percent, and ensure that the Kappa detection value reaches 0.927 and far more than 0.75, has higher diagnosis consistency with the clinical diagnosis and can be used for auxiliary diagnosis for the acute myocardial imfarction disease.

The invention discloses a method for testing the content of dendrobe polysaccharide content and application thereof. The method comprises the following steps of: extracting dendrobe crude polysaccharide in a hot water extraction method; obtaining the dendrobe essence polysaccharide by virtue of a Sevag method and a dialysis method; and testing conversion factors of the dendrobe and testing contents of the dendrobe polysaccharide from different sources according to conversion factors. The crude polysaccharide and the essence polysaccharide are not needed to renewedly prepare, so that the using cost of a material can be effectively reduced, and the polysaccharide content of the dendrobe can be tested in batch to allow the detection of the dendrobe polysaccharide to be convenient, simple and scientific. The obtained dendrobe essence polysaccharide is high in purity and less in impurities; and compared with the existing methods of ultrasonic extraction, acid-base extraction and the like, the testing method can be used for accurately detecting the content of the dendrobe polysaccharide, providing a reference for identifying the variety of the dendrobe, and also provides effective guidance for breeding, production and market consumption of the dendrobe.

The invention discloses an ectopic pregnancy and pregnant days colloid gold detection agent and manufacturing method thereof used for the problem of fast detection for pregnancy, comprising a piece of detecting test paper and urine sample treatment solution; wherein, the detecting test paper consists of a base plate, a cellulose nitrate membrane, a gold label anti-Beta HCG monoclone antibody layer, an Alpha-HCG monoclone antibody line, a sheep anti-rat polyclonal antibody line, an absorbing pad and a sample pad; the matching composition of the urine sample treatment solution is that: 12.5 to 18.0 portions of disodium hydrogen phosphate dodecahydrate, 1.2 to 1.7 portions of sodium dihydrogen phosphate dihydrate, 40.0 to 48.0 portions of sodium chloride and 4600 to 5300 portions of distilled water; the ectopic pregnancy and pregnant days colloid gold detection agent and manufacturing method of the invention are characterized by fast and simple detection, the operation of blood-drawing detection for 2 to 6 hours can be replaced by 2 to 3 minutes with time-saving, manual-saving and cost-saving; besides, the ectopic pregnancy and pregnant days colloid gold detection agent and manufacturing method thereof have the advantages of detecting ectopic pregnancy and pregnant days in a semiquantitative way, etc., and can be used for external detection of the pregnant condition and artificial abortion and assisted diagnosis.

The invention aims at providing a fluorescent nano-immunochromatography kit for quickly, sensitively and simply detecting vibrio parahaemolyticus and a preparation method of the kit. In the invention, the separation and enrichment of vibrio parahaemolyticus are realized through specific combination of an immune functionalized time-resolved magnetic fluorescent nanomaterial and the vibrio parahaemolyticus; the captured to-be-detected bacteria are combined with a vibrio parahaemolyticus-specific polyclonal antibody on an immunochromatography test strip; and the detection of the to-be-detected bacteria in the sample is realized by detecting the fluorescence signals on the test strip under an ultraviolet lamp. The kit provided by the invention can be applied to the field of detection on microbial diarrhea-causing pathogenic bacteria.

The invention provides a sewage plant and recycled water plant in-situ sampling and on-line test device and an operation method of the sewage plant and recycled water plant in-situ sampling and on-line test device, and belongs to the technical field of in-situ sampling and test devices. The bottom surface of a conical drill is fixedly connected with a cylindrical sampling rod in a sealing mode, a sampling opening is formed in the lateral side of the bottom end of the sampling rod, a baffle serves as a switch of the sampling opening, and the top of the baffle is connected with a metal rod connected with a handle; a hole plate filter screen is arranged above the sampling opening and is communicated with a silicone tube, and the silicone tube is connected with a water collecting device through a peristaltic pump; the water collecting device is provided with a probe in a sealed mode, and the probe is connected with an instrument. The drill is extended to an appointed depth under a liquid surface, and then the handle is pulled upwards to make the baffle and the sampling opening staggered, a water sample in an in-situ point to be tested flows into the sampling rod under the action of pressure, is filtered through the hole plate filter screen in the rod and then enters the silicone tube, and then the peristaltic pump is opened, and all kinds of indexes of the water sample entering the water collecting device are measured through the probe in real time. The method is flexible, simple, accurate, safe and reliable.

The invention discloses a method and a system for determining sulfide content in water body. The method for determining the sulfide content in the water body comprises the following steps: sampling the sulfide-containing water body, collecting the hydrogen sulfide gas through a chemical reaction; performing spectrum detection on the collected hydrogen sulfide gas, obtaining a hydrogen sulfide gas absorbance spectrum feedback optical signal; transiting the obtained hydrogen sulfide gas spectrum absorbance optical signal to a data signal; analyzing the hydrogen sulfide gas absorbance spectrum feedback data signal, drafting a work curve by taking the concentration of a standard sample as abscissa and taking the absorbance of the standard sample as ordinate, and calculating the sulfide content by determining the absorbance of the sample to be measured. By employing the system for determining the sulfide content in the water body, detection process is simple and fast, the detection result is accurate and reliable, the detection cost is low, analysis operation is simplified, analysis speed is increased, and analysis error is reduced.

The invention relates to a tunnel geological advance forecasting method based on mechanical energy nondestructive detection. The method is characterized in that seismic wave receiving points are distributed on a tunnel face and within range of two-meter-deep non-excavated surrounding rocks around the tunnel face, seismic wave excitation points are distributed on the tunnel axis of certain distance within an excavated range behind the tunnel face and the surrounding range or on a bottom plate parallel to the tunnel axis in turn, and a gasket plate is distributed on the position of each excitation point; and after drilling at the seismic wave receiving points, detectors are distributed in the hole bottoms, and the detectors are connected with a seismic wave acquisition instrument via signal transmission lines so that stable, controllable and safe mechanism energy is utilized to excite seismic wave under the premise of no damage to tunnel lining, seismic reflection wave is enabled to reach receiving holes in "first time" by reasonable distribution of the positions of the excitation points and receiving points and thus tunnel geological advance forecasting can be realized.

The invention discloses a jacket-type oil casing air tightness detection device and a detection method. The jacket-type oil casing air tightness detection device comprises an upper end cover, an upper central pipe, an adjusting joint, a lower central pipe and a lower end cover. Through holes are formed in central positions of the upper central pipe and the lower central pipe and are connected through the adjusting joint. One side of the adjusting joint is provided with a first high-pressure soft pipe joint. The inner walls, provided with the through holes, of the upper central pipe and the lower central pipe and are provided with grooves, and glue cylinders and extruding mechanism are respectively arranged in the grooves. Each extruding mechanism comprises four extruding forks uniformly arranged on the periphery of the glue cylinder, one end of each extruding fork is in contact with the glue cylinder, the other end of the extruding fork extends out a side hole of the upper central pipe or the lower central pipe, and the extending-out part is sleeved by a spring. The tail part of the extending out par of each extruding fork is provided with a piston disk, a piston sleeve sleeves the outer part of the piston disk, the piston disk is connected with the piston sleeve in sliding sealing manner, and the end part of the piston sleeve is provided with a second high-pressure soft pipe joint. The jacket-type oil casing air tightness detection device and the detection method can effectively realize air tightness detection of a small-size oil casing, and the service lifetime of the glue cylinder is effectively prolonged.

The invention discloses a state detection device for a high-potential thyristor. The device comprises a detection circuit board and a detection resistor circuit, wherein the detection circuit board is connected with the detection resistor circuit and connected with a detected thyristor through the detection resistor circuit; the detection resistor circuit comprises detection resistors; the detection circuit board comprises two parallel branches, a first parallel branch comprises a first diode, and a second parallel branch comprises an optical fiber transmitter; when the detected thyristor withstands a forward voltage, current flows through the first diode in the detection circuit board to protect the optical fiber transmitter from withstanding over-high backward voltage; and when the detected thyristor withstands the backward voltage, the current flows through the optical fiber transmitter, the optical fiber transmitter transmits a signal through an optical fiber, and withstanding of the backward voltage by the detected thyristor is detected. The state detection device for the high-potential thyristor is applicable to a high-potential system, a special power circuit is not required to be provided for the detection circuit board, the state of the thyristor can be easily detected, and the optical fiber transmitter can reliably operate in the high-potential system.

The invention provides a rice blast resistance gene Pi9 functional specificity molecular marker and application thereof. The molecular marker is named as Pi9InDel, and the nucleotide sequence is shown in SEQ ID NO.1. The molecular marker Pi9InDel being a nucleotide fragment I in a specificity banding pattern with a rice blast resistance gene Pi9 is amplified from total DNA of a rice blast resistant variety carrying a rice blast resistance gene Pi9 through primer pairs of F1 and R1. The molecular marker is a first Pi9 gene specificity InDel marker developed for an internal sequence of the gene Pi9 and has the following advantages that specificity is high, in practical application, cost is low, throughput is high, and the molecular marker can be widely applied to colonies with different genetic backgrounds. By means of the molecular marker, the utilization efficiency of the gene in marker-assisted selection breeding, gene pyramiding breeding and transgenosis breeding can be improved.

A laser beam detection device and method based on an ENZ theory, and belongs to the technical field of laser. The laser beam detection device and method in the prior art has the defects of being cumbersome in operating steps, low in detection precision, hard to improve the resolution ratio, low in signal-to-noise ratio and high in cost. The device charge coupled device (CCD) detector is connected with a data processing computer. An imaging lens is arranged ahead of the CCD detector. The light-sensitive surface of the CCD detector and the focal plane c of the imaging lens are in parallel. The CCD detector is fixed on a slider. A guide slider mechanism is composed of the slider and a guide. The method takes the detected laser beam flare intensity image in the imaging lens focal plane c and the symmetrical front out-of focal plane a and the back out-of focal plane b and adopts an ENZ polynomial structure wave-front fitting coefficient to get an equation set. The multiple wave-front coefficient value correlation of the wave-front of the fitting pupil flat surface laser beam is obtained by solving the equation set, and then the high order error is eliminated by iterative algorithm and the accurate wave-front fitting coefficient value is got, thereby obtaining the phase position and the amplitude of the pupil flat surface laser beam. The characteristic value is calculated through moment method according to phase position and intensity information.

The invention provides a device and method for detecting the performance of functional material activated water, which relate to water treatment. The device mainly comprises six parts including a raw water storage tank, a water treatment bed, an activated water storage tank, a detection and control unit, a water quality detection and control unit and a data processing unit, wherein the potential of hydrogen (pH) values and the oxidation reduction potential (OPR) of raw water and activated water are detected in real time in an on-line way by a raw water pH electrode and a raw water ORP electrode as well as an activated water pH electrode and an activated water ORP electrode; detected data is transmitted into the data processing unit by the water quality detection and control unit; and a real-time data curve and a history data curve can be displayed after data analysis and operation, and test results can be obtained. The device and the method can simply and rapidly detect the performance of the functional material activated water, so that materials with excellent performance for activating animal drinking water can be screened out.

The invention discloses a determination method for S-adenosylmethionine methyltransferase and a kit thereof. The determination method for S-adenosylmethionine methyltransferase comprises the step of detecting SAM methyltransferase through the enzyme coupling reaction between S-adenosylhomocysteine hydrolase and adenosine deaminase. The detection technique relieves feedback inhibition of products,has stable results and accurate quantitative reaction, and effectively overcomes the problem of radioactive pollution of the radioactive marking method. With double reagents in the kit, detection canbe carried out manually or through a full automatic biochemical analyzer within the visible range, and therefore the use and the fast detection of a plurality of samples are convenient. The determination method is also suitable for detection of the enzyme coupling reaction between S-adenosylhomocysteine hydrolase and adenosine deaminase.

The invention provides a connecting rod cap semi-finished product true position detecting tool. The detection is simple and rapid and therefore the detection efficiency is improved. The connecting rod cap semi-finished product true position detecting tool is suitable for the rapid detection of the connecting rod cap semi-finished product. Meanwhile, the operation is simple and therefore the operating requirement for the testing personnel is reduced and the testing cost is further reduced. The connecting rod cap semi-finished product true position detecting tool comprises a base plate. Footings are installed on the bottom corners of the base plate through bolts. The connecting rod cap semi-finished product true position detecting tool is characterized by comprising a quick clamping, a quick clamping seat, a reference seat, a taper pin and a mechanical watch. One side of the reference seat is fixed on the base plate through bolts, and the other side of the reference seat is located on the base plate in a plug-in mounting mode through two taper pins distributed vertically and uniformly. The two quick clamping seats are longitudinally arranged on two ends of the left side of the reference seat. The quick clamping is fixed on the quick clamping seat through a flange face. The bottom screw holes of the connecting rod cap semi-finished product waiting to be detected are positioned through cone points of taper pins, and the two longitudinal ends of the upper surface is clamped and fixed through the quick clamping.

The invention discloses a micro-lens (or micro-lens array) imaging detection plate which comprises a transparent plate with the thickness of 3-5 mm. One or more trapezoid concave holes are formed in the plate surface, and a columnar micro-lens with a hemisphere at the upper portion and a cylinder the lower portion is arranged in each trapezoid concave hole and is formed by PMMA organic glass material and the transparent plate with the trapezoid concave holes together through precision injection molding. The imaging characteristic of the columnar micro-lenses of the micro-lens (or micro-lens array) imaging detection plate is that when the trapezoid concave holes of the transparent plate are filled with liquid or other media to immerse the columnar micro-lenses, and images of the columnar micro-lenses are round images with the outer edges which are black rings under parallel light exposure due to the refraction effect of light; the outer radiuses R of the black rings are the radiuses of the columnar micro-lenses, the inner radiuses r of the black rings are the refractive index n1 of the immersion liquid, the refractive index n2 of the columnar micro-lenses and the heights h of the columnar micro-lenses form a theoretical relation, and the real-time refractive index of the liquid or the medium can be determined by utilizing the plate to monitor values of the inner radiuses r of the black rings.

The invention provides a major QTL (quantitative trait loci) of thousand seed weight trait of Brassica napus L., which is between the 27906310th base and the 28240646th base of the chromosome A09 of Brassica napus L.. Preferably, the rate of contribution of the major QTL to the thousand seed weight trait of Brassica napus L. is 37.4%; the the major QTL to the thousand seed weight trait of Brassicanapus L. is in close linkage with a first SNP molecular marker, the first SNP molecular marker is located at the 27906310th base which refers to T or G, and the mutation causes polymorphism; the major QTL to the thousand seed weight trait of Brassica napus L. is in close linkage with a second SNP molecular marker, the second NP molecular marker is located at the 28240646th base which refers to Tor G, and the mutation causes polymorphism; the major QTL to the thousand seed weight trait of Brassica napus L. is in close linkage with a peak SNP molecular marker, the peak SNP molecular marker islocated at the 28151624th base which refers to T or G, and the mutation causes polymorphism. The invention further provides related SNP molecular markers and application thereof. The major QTL of thousand seed weight trait of Brassica napus L. has high rate of contribution to the thousand seed weight trait of Brassica napus L., plays a key role in regulating and controlling the thousand seed weight trait of Brassica napus L., can be used for map-based cloning and molecular marker assistant selection, and is suitable to be promoted and applied in scale.

The invention discloses a jig used for detecting the workpiece thickness. A detection device comprises a clamp base, a stopping limiting plate, a stopping gasket, a passing limiting plate and a passing gasket; an included angle is formed between the top face of the clamp base and the horizontal face, the stopping gasket is located between the stopping limiting plate and the clamping base, and the stopping limiting plate is parallel to the top face of the clamp base; the passing gasket is located between the passing limiting plate and the clamp base, and the passing limiting plate is parallel to the top face of the clamp base; the distance between the stopping limiting plate and the clamp base is smaller than the distance between the passing limiting plate and the clamp base; included angles are formed between the stopping limiting plate and the bottom edge of the clamp base and between the passing limiting plate and the bottom edge of the clamp base, and the passing limiting plate is higher than the stopping limiting plate. By means of the jig, the included angle is formed between the clamp base and the horizontal face, a workpiece slides under self gravity, holding movement by a detector is not needed, and the automatic degree is higher; in addition, the stopping limiting plate and the passing limiting plate have the inclination angles, and therefore classified guiding can be carried out; overall detection is simple, convenient and rapid, and the detection efficiency is improved.

The invention discloses a pole piece coating thickness online detecting system, which is applied to a coating machine. The pole piece coating thickness online detecting system comprises thickness detecting equipment and a control system; the control system comprises a host computer, a signal processing unit, an operating interface and a control box; two sets of the thickness detecting equipment are respectively arranged in front of and behind the coating machine; the thickness detecting equipment comprises a beta-ray emitting device, a beta-ray receiving device and driving devices; the driving devices are in vertical symmetrical arrangement and respectively drive the beta-ray emitting device and the beta-ray receiving device; the signal processing unit acquires data of the thickness detecting equipment and transmits the data to the host computer for performing analysis processing, judging whether to regulate a pump speed and a blade, and performing pole piece coating thickness cycle control. According to the pole piece coating thickness online detecting system, online measurement of pole piece coating thickness is realized; process parameters can be regulated in time; the stability and the consistency of the coating thickness during a coating process are effectively ensured; the production efficiency and the continuity of a production line are improved.

The invention provides a device and a method for detecting whether any irregular factor such as flaw and adhered dirt existed on each stick-type lens end surfaces forming a lens array simply and quickly with high precision. The device comprises a first light source part (2) for irradiating the detection lights on the normal line of the first stick-type lens end surface forming the stick-type lens array (1) with an angle which is larger than the light-receiving angle of the stick-type lens array; a first light-receiving part (3) for detecting the irradiated lights from the second end surface of the stick-type lens array; and a judging part (6) for judging the stick-type lens array (1) as a poor product when the light intensity detected by the light-receiving part (3) exceeds the preset threshold value.