45results about How to "Wide detection range" patented technology

The invention relates to the technical field of optical detection, in particular to optical detection equipment applied to fastener production and processing, which comprises a gate-type main frame, electric control type turnover frames are hinged to two sides of the inner bottom surface of the gate-type main frame, and electric control type material conveying belts are mounted in the electric control type turnover frames; and optical detection modules are fixedly mounted at the upper ends of the two sides of the gate-type main frame through cross beams. According to the optical detection equipment applied to fastener production and processing, electric control type overturning frames are hinged to the two sides of the inner bottom face of a door type main frame, electric control type conveying belts are installed in the electric control type overturning frames, and optical detection modules are fixedly installed at the upper ends of the two sides of the door type main frame through cross beams; therefore, optical scanning is carried out on the fasteners in the lower conveying process from multiple angles, and the scanning range of the fasteners is widened. And a plurality of built-in cross beams are arranged in the top assembly frame, and the upper ends of the built-in cross beams are provided with electric control type material turning plates, so that the fasteners on the surface can be turned over and adjusted, and the detection range is wider.

The application discloses an electrochemical sensor and a preparation method and application thereof. The electrochemical sensor comprises a three-electrode system composed of a working electrode, a reference electrode and a counter electrode, wherein the working electrode is composed of a base electrode, a molybdenum disulfide nanoparticle modification layer and a polyethylene dioxythiophene layer; the molybdenum disulfide nanoparticles are loaded on the surface of the base electrode through a drop coating method, and the polyethylene dioxythiophene is in-situ loaded on the surface of the molybdenum disulfide nanoparticle modification layer through an electro-polymerization reaction. The electrochemical sensor can be used for detecting lead ions in water bodies, has the advantages of simple preparation, stable performance, suitability for an acidic medium and the like, and is suitable for practical application and popularization.

The invention provides an MOF-on-MOF composite material, an aptamer probe as well as a preparation method and application of the aptamer probe. The MOF-on-MOF composite material comprises an HKUST-1 material, the surface of the HKUST-1 material is coated with a Cu-BDC nanosheet; the synthesized HKUST-1 (at) Cu-BDC / Apt aptamer probe can specifically recognize AFB1, the aptamer probe can directly capture the AFB1 and adsorb the AFB1 to active sites on the surface of a material to reduce the nano-enzyme activity of the AFB1, so that quantitative colorimetric detection of the AFB1 is realized, and the aptamer probe has low detection limit, wide detection range, good selectivity and anti-interference performance on the AFB1 and can be used for detecting the AFB1. The AFB1 in a food sample can be rapidly, sensitively and selectively detected. In addition, the composite material has an adsorption effect and high catalytic activity on fungaltoxin, and AFB1 can be efficiently removed through the adsorption effect and the catalytic action.

The invention discloses a wearable molecular imprinting sensor and application thereof in cortisol detection, and belongs to the technical field of electrochemical analysis and detection. The molecular imprinting sensor sequentially comprises a sweat absorbing pad, a three-electrode system, an annular polydimethylsiloxane mold and a medical bonding patch from the skin contact surface to the outside, the front surface of the sweat-absorbent pad is in contact with the skin, and KCl and K3 [Fe (CN) 6] are adsorbed on the back surface of the sweat-absorbent pad; the three-electrode system takes an MIP / AuNWs / PET sensor as a working electrode, a platinum wire as a counter electrode and a silver / silver chloride electrode as a reference electrode; the annular polydimethylsiloxane mold and the medical adhesive patch form a sweat collection chamber. The molecular imprinting sensor based on in-situ growth of gold nanowires (AuNWs) on the porous PET film is used for rapidly detecting the cortisol level in human sweat in real time, natural receptor ligand interaction is simulated through the molecular imprinting technology, and high-specificity recognition of cortisol is achieved.

The application provides a carbon nanodot-based temperature sensor and a preparation method thereof. The carbon nanodot-based temperature sensor comprises, from bottom to top, a substrate layer, an interdigital electrode layer and a sensing layer. The sensing layer comprises hydrophilic carbon nanodot particles and an ionic salt. The sensing layer is formed by drop coating of a mixed aqueous solution of the hydrophilic carbon nanodot particles and the ionic salt. The preparation method is simple and easy to implement, and has low cost. The prepared temperature sensor has high sensitivity, high precision and high stability. The sensitivity of the temperature sensor reaches 345951.8%℃ ‑1 .

The application belongs to the technical field of immune detection, and particularly relates to a quantum dot labeled testosterone propionate direct competition fluorescence immune detection method. The application prepares a monoclonal antibody, and couples CdSe / ZnS (core / shell) quantum dots with the prepared anti-TP monoclonal antibody to synthesize a quantum dot (QDs) labeled anti-TP-mAb-QDs immune fluorescence probe, and construct a quantum dot labeled testosterone propionate direct competition fluorescence immune detection system for detecting testosterone propionate. The method for detecting testosterone propionate by the quantum dot labeled direct competition fluorescence immune detection method is simple in operation, and can detect the residual content of testosterone propionate in a sample to be detected without adding a chromogenic substance. The operation and reaction can be completed in one step. The method is simple, efficient, sensitive, low in detection cost, and can be applied to rapid detection of TP residues in feed, and has good accuracy.

The application discloses a circRNA detection method based on Argonaute protein and rolling circle amplification. The method comprises the following steps: mixing a sample containing target circRNA to be detected with a specific reverse transcription primer and reverse transcriptase to obtain long-chain cDNA; mixing the obtained long-chain cDNA with pfAgo, gDNA and a DNA nucleic acid probe to carry out a reaction, and calculating the content of the target circRNA according to the fluorescence signal of the reaction mixture; the nucleotide sequence of the gDNA is specifically complementary to the cDNA sequence obtained by reverse transcription of the circRNA; the sequence of the DNA nucleic acid probe is specifically complementary to the sequence of the cDNA after one cutting of the cDNA by the pfAgo; and the DNA nucleic acid probe is a single-stranded DNA probe with a fluorescent label. The application can realize high-sensitivity, high-specificity and multiple target simultaneous analysis and detection of potential diagnostic biomarkers of liver cancer such as hsa_circ_0001445 and hsa_circ_0001141.

The application belongs to the technical field of electrochemical detection and analysis, and relates to a kind of metal organic framework hybrid nanosheet and a method for real-time non-invasive detection of glucose and uric acid content in metabolites.The metal organic framework hybrid nanosheet is a Cu-TCPP(Fe) / Mxene composite material.The application replaces the traditional electrolytic cell with a paper-based electrode, further reducing experimental costs and improving the portability and operability of the experiment;By first applying Cu-TCPP(Fe) / Mxene composite material to paper-based electrode, the speed of electron transfer and the specific surface area of reaction are improved.Therefore, the method has the advantages of rapidity, portability, high sensitivity, wide detection range and good specificity, and has important practical significance for the ultra-sensitive non-invasive detection of glucose and uric acid, and good guiding significance for realizing on-site rapid and ultra-sensitive detection technology.

The utility model discloses a portable ultrasonic consolidation detector for experiments, which belongs to the technical field of soil body detection and comprises a base shell and a counter-force gantry. The base shell is provided with a pressure supply device for providing pressure for an experiment; a pressure-bearing excitation transducer and a pressure-bearing receiving transducer are mounted on the pressure supply device; the upper part of the pressure-bearing receiving transducer is detachably connected with a water-permeable cutting ring for placing a sample; the water-permeable cutting ring is composed of a steel ring and a water-permeable ring arranged on the inner side wall of the steel ring; the exterior of the base shell is connected with a data acquisition and analysis system for acquiring and analyzing data; two sets of fixing mechanisms used for supporting the fixing devices are installed on the outer side wall of the base shell. According to the mode, the small consolidometer can be directly fixed in a vehicle and carried to a sampling site for testing, so that the disturbance of a sampling sample in the transfer process is effectively avoided, and the testing precision is further improved.

The present application relates to a seaweed residue-based electrochemical biosensor and a preparation method thereof, which uses seaweed residue as raw material and chitosan as crosslinking agent, and prepares carbon aerogel CAs through sol-gel, vacuum freeze-drying and high-temperature carbonization process, and uses the CAs modified electrode (CAs / GCE) for DA detection. The present application uses high-temperature pyrolysis of nitrogen in seaweed residue to increase the disorder of C in CAs, which can effectively increase the active sites for dopamine detection and improve the electrochemical detection activity of the sensor for DA. CAs do not contain substances harmful to organisms or polluting to the environment, which not only solves the problems of high cost and limited application range of other raw materials, but also solves the problems of high value-added development and utilization of waste seaweed residue.

This invention relates to a three-emission ratio fluorescence nanosensor for detecting tetracycline and its preparation method. The sensor uses a carbon dot-gold cluster nanocomposite material as the fluorescence signal. The synthesis steps and detection process of the carbon dot-gold cluster nanocomposite material in this invention are simple, convenient, and rapid, exhibiting rich fluorescence color changes. It does not require the assistance of complexes or coupling reagents. By constructing a three-emission ratio fluorescence sensor, the goal of highly sensitive and selective detection of tetracycline can be achieved.

The neutron beam detection device of the present application is provided with: a first solar cell type detector, which has a conversion film attached to its surface that converts neutrons into any one of a charged particle beam of a photon, an alpha particle, a proton, a lithium nucleus, a gamma ray, and a beta ray, and generates a current by incident radiation; a radiation detector that generates a current having no sensitivity to neutrons as an output signal due to radiation incident; a current measurer that detects the current generated by the first solar cell type detector and the current generated by the radiation detector due to radiation incident as signals; and a flux calculation section that compares the current signals from the detector detected by the current measurer. The flux calculation section corresponds the detected current signals from the solar cell type detector and the radiation detector to a relationship between the flux of a prescribed kind of incident radiation and the detected current from the solar cell type detector and the radiation detector, which is obtained in advance, and calculates the flux of the neutron beam.

The present application relates to the technical field of medical detection, and particularly relates to a high-hook-capability and anti-interference HBP detection kit, which comprises R1 reagent and R2 reagent; 3-[3-(cholylamido propyl) dimethylamino] propanesulfonic acid inner salt and sodium dodecyl sulfate are used to prepare the reagent R1, and by adjusting the use ratio of the two, the mutual cooperation of the two can ensure the reaction sensitivity of the reagent and improve the anti-interference performance of the reagent; two kinds of latex microspheres with different particle sizes are used to coat two kinds of HBP antibodies with different antigen recognition epitopes in the reagent R2, which can not only ensure that the reagent has a wider detection range in the high value area and improve the hook capability, but also ensure the sensitivity of the kit; the activation system adopts the method of combining two activators of NHS and EDC, which can effectively improve the coupling efficiency. Meanwhile, the present application also provides a preparation method of the high-hook-capability and anti-interference HBP detection kit, which does not need centrifugation and resuspension operation steps, and the method operation is simpler and the production cost is lower.

The utility model discloses a glass cover plate thickness detection device which comprises a product carrying seat, an adjusting support and a digital display displacement sensor, the product carrying seat is used for placing a glass cover plate to be detected, the adjusting support comprises a vertical supporting rod and a transverse adjusting rod, the transverse adjusting rod extends in the horizontal direction, and the digital display displacement sensor is arranged on the vertical supporting rod. The transverse adjusting rod extends along the vertical direction and is vertically connected with the vertical supporting rod through one end in a manner that the height and the horizontal position can be adjusted, the digital display displacement sensor extends along the vertical direction and is vertically connected to the other opposite end of the transverse adjusting rod, and the digital display displacement sensor is over against the product carrying seat; therefore, the thickness of the to-be-detected glass cover plate on the product carrying seat can be detected. The glass cover plate thickness detection device provided by the utility model can comprehensively detect glass cover plates with different thicknesses, is wide in detection range, low in detection cost and long in service life, and is not easy to reduce the detection quality due to the influence of abrasive powder.

The application belongs to the technical field of sensors, and discloses a kind of MF filled photonic crystal fiber based on Sagnac interferometer, including perfect matching layer, background material;Background material is wrapped air hole, air hole is regularly distributed along the inner periphery of background material, air hole includes first air hole, second air hole, third air hole and fourth air hole that aperture increases gradually, and magnetic fluid is filled in air hole;The application also discloses a kind of magnetic field sensor, including the above-mentioned MF filled photonic crystal fiber based on Sagnac interferometer.The MF filled photonic crystal fiber based on Sagnac interferometer provided by the application has high linearity and high stability, and can improve the sensitivity and detection range of the magnetic field sensor.

The invention discloses a remote detection method for soot blowing system pipe structure defects, and relates to the technical field of thermal equipment detection. The problems that in the prior art, detection needs to be stopped, real-time monitoring cannot be achieved, and defect information is not visually presented can be at least partially solved. The method comprises the following steps: deploying an electromagnetic ultrasonic guided wave sensor array around a welding seam to perform signal excitation and synchronous acquisition; performing dual noise reduction processing by adopting synchronous average and wavelet transform to extract defect signals; constructing a space model to position defects based on the signal arrival time difference; and generating a defect image by utilizing C-scanning imaging and performing quantitative evaluation. According to the invention, on-line remote detection without shutdown is realized, the signal-to-noise ratio is obviously improved through dual noise reduction, accurate positioning and visual display of defects are realized by combining time difference analysis and C scanning imaging, and safe operation of a unit is guaranteed.

The application provides a mass concentration measurement method based on light scattering and aerodynamic dual-mode particle size spectrometer, and belongs to the technical field of particulate matter concentration detection.The method is as follows: introducing a to-be-detected airflow into a light scattering detection area and an aerodynamic detection area simultaneously, acquiring light scattering characteristic parameters and light scattering particle counts of each particle size channel, and acquiring aerodynamic characteristic parameters and aerodynamic particle counts; determining a cross particle size range of the two detection areas, and correcting the aerodynamic particle counts in the range based on the light scattering particle counts; using the corrected aerodynamic particle counts and characteristic parameters to inversely calculate particulate matter mass concentrations in the cross particle size range and taking the particulate matter mass concentrations as a calibration reference; and using the light scattering characteristic parameters and the calibration reference to construct a multi-dimensional calibration model to inversely calculate and predict particulate matter concentrations in a non-cross particle size range.The application realizes high-precision measurement of particulate matter mass concentrations in a wide particle size range through light scattering and aerodynamic dual-mode dynamic calibration.

This invention belongs to the field of fetoglobulin B detection technology, and discloses an immunochromatographic test strip for quantitative detection of fetoglobulin B using quantum dot fluorescent microspheres and its preparation method. The immunochromatographic test strip of this invention includes a sample pad, a release pad, and a nitrocellulose membrane; the release pad is coated with a fetoglobulin B monoclonal antibody labeled with quantum dot fluorescent microspheres and a mouse IgG antibody labeled with quantum dot fluorescent microspheres; the nitrocellulose membrane has a detection line and a control line, the detection line is coated with fetoglobulin B monoclonal antibody, and the control line is coated with goat anti-mouse IgG antibody. The immunochromatographic test strip of this invention reduces the detection time to 9-12 minutes, and the total detection time is only 20 minutes, achieving rapid and accurate quantitative detection of fetoglobulin B. It also features high detection sensitivity, a wide detection range, and simple and rapid operation, which is beneficial for the screening and monitoring of atherosclerotic coronary heart disease.

The invention relates to the technical field of antibodies, in particular to an LAM polyclonal antibody as well as a preparation method and application thereof. The polyclonal antibody designed by the invention is wide in detection range and is still suitable for non-AIDS patients; the kit can specifically recognize LAM of mycobacteria, including LAM of mycobacterium tuberculosis and LAM of slowly-growing and rapidly-growing nontuberculous mycobacteria (NTM), and can be used for detecting tuberculosis and nontuberculous mycobacterium diseases. The antibody combination provided by the invention has high sensitivity and high specificity, can be used for qualitative and quantitative analysis of LAM antigens in various types of samples (especially body fluid samples), and is helpful for improving the accuracy of detection results.

The application belongs to the technical field of water treatment, and particularly relates to a light-driven self-powered Fenton system, a preparation method and application thereof. The light-driven self-powered Fenton system is a self-powered double-electrode system based on a photoanode Bi2MoO6 / g-C3N4 and a photocathode CuS. The system uses the work function difference between the photoanode and the photocathode as a self-powered driving force to realize the occurrence of a light-assisted self-powered Fenton reaction. The light-driven self-powered Fenton system effectively solves the technical defects of the conventional Fenton system, such as narrow applicable pH, easy precipitation, low H2O2 utilization rate, the electric Fenton system relying on external electricity and having high cost, the conventional light Fenton system needing to add H2O2 and easily causing secondary pollution, and the existing light self-Fenton system having poor light absorption, serious carrier recombination, poor electrode level matching, weak self-powered driving force and being unable to simultaneously realize high-sensitivity detection and efficient degradation.

The invention discloses an underwater wireless optical communication signal detection method based on a multi-type detector array, and belongs to the technical field of underwater wireless optical communication and signal detection. The method comprises the following steps that: a receiving end receives optical signals by adopting a multi-type detector array comprising high-gain and low-gain photoelectric detectors, and converts the optical signals into M paths of electric signals; after up-sampling is carried out on each path of signals, weighted combination is carried out on M paths of signals by traversing weighting factors; calculating a projection vector, a judgment threshold and a pilot frequency bit error rate for each group of weighting factors, and solving an optimal weighting factor and a corresponding optimal projection vector by taking the minimum bit error rate as a criterion; and projecting the data symbol sampling point vector by using the optimal projection vector, and recovering 0 and 1 symbols in combination with the optimal judgment threshold. According to the invention, the detection advantages of multiple types of detectors are fused, the underwater large dynamic light intensity change can be adaptively coped, and the signal detection performance and the system reliability are significantly improved.

This invention discloses a device for detecting the protrusion of angular contact bearings, comprising a working platform, an upper driving mechanism above the working platform, and a lower driving mechanism below the working platform. The upper driving mechanism is connected to a detection mechanism, which is positioned above the working platform and directly above the lower driving mechanism. The advantages of this invention are: the cooperation of the upper driving mechanism and the detection mechanism enables the detection of the protrusion of face-to-face (DF) mounted angular contact bearings; the cooperation of the lower driving mechanism and the detection mechanism enables the detection of the protrusion of back-to-back (DB) mounted angular contact bearings; the arrangement of a second motor and a rotating block, and a third motor and a reducer, drives the inner ring of the angular contact bearing to rotate, reducing the wobble of the inner ring relative to the outer ring and improving the detection accuracy of the protrusion; this protrusion detection device can detect the protrusion of angular contact bearings with inner rings of different sizes and specifications, and is highly practical.

This invention relates to a hydrogen peroxide electrochemical sensor electrode, its preparation method, and its application. The invention first prepares a monolayer of MXene, and then uses it to prepare an MXene / Co mixture via a hydrothermal method with cobalt acetate tetrahydrate. 3 O 4 The nanocomposite material was then used to modify a glassy carbon electrode. This invention utilizes MXene and Co... 3 O 4 The composite material not only possesses excellent catalytic ability for hydrogen peroxide, but the presence of MXene also enhances its electron transfer-promoting ability, thereby improving catalytic efficiency. This composite material exhibits excellent hydrogen peroxide detection capabilities, with a good linear relationship between the obtained hydrogen peroxide concentration and current value, enabling quantitative detection of hydrogen peroxide content. The process of this invention is simple, stable, and low-cost; the detection limit for hydrogen peroxide reaches 0.196 μmol / L, demonstrating good detection performance and anti-interference ability.

The application discloses an on-line monitoring device and method for dissolved gas in transformer oil based on infrared spectrum, which comprises a transformer oil gas separation part, an infrared spectrum gas detection part and a data processing part. The method comprises the following steps: firstly, carrying out oil gas separation; then, sending the obtained dissolved gas in oil into a gas chamber and scanning the gas chamber by using an infrared spectrometer to obtain a spectrum diagram; and finally, obtaining the content of various target gases in oil by using a gas quantitative analysis model. The application uses infrared spectrum method as the gas detection part, has the advantages of fast spectrum data acquisition, no consumption of gas samples, wide detection range, high stability, maintenance-free, long-term operation monitoring cost, etc. compared with the most widely used gas chromatography method for on-line monitoring of gases in transformer oil. The device adopts a structure based on single-chamber vacuum degassing, solves the problem of spectrum baseline offset distortion, and does not need to consume nitrogen as background, thereby improving the automation degree of the device.

The application belongs to the technical field of chemical analysis and detection, and relates to a synthesis method of an MXene-based nanoenzyme composite and application of the MXene-based nanoenzyme composite in detection of organophosphorus pesticides. V2CTx MXene and Fe-TCPP can be used to prepare V-TCPP(Fe) materials through a simple solvothermal method, and V-TCPP(Fe), AChE, 2-methylimidazole and zinc nitrate can be stirred at room temperature to prepare V-TCPP(Fe) / AChE@ZIF-8 materials. PVA, sucrose and V-TCPP(Fe) / AChE@ZIF-8 can be mixed and stirred to prepare a hydrogel patch. The material has a good colorimetric / chemiluminescence linear range response to OPs. The material is simple and convenient to prepare, and has the advantages of high sensitivity, a large linear range, good stability and repeatability in detection of OPs.

The invention belongs to the technical field of sensor probes, and particularly discloses a probe for biomarker detection through a space confinement method and a preparation method of the probe. The preparation method of the probe for detecting the biomarker by the space confinement method comprises the step of mixing aptamer functionalized magnetic bead dispersion liquid and porous nanogold dispersion liquid to obtain the probe for detecting the biomarker by the space confinement method. The probe disclosed by the invention can be used for constructing a space confinement detection method which is simple to use, can be freely adjusted and does not need a micro-cavity and a micro-channel, and is applied to an aptamer functionalized magnetic bead detection system; the problems that in the actual operation process of an existing microfluidic confinement detection method, the size of a needed sample is large, the detection sensitivity is low, and the flexibility is poor are solved.

The invention provides a DAS coupling quality determination method and device and electronic equipment, and the method comprises the steps: determining strain waveform data and speed waveform data of a target optical cable; the speed waveform data comprises node speed waveform data of at least one node in the target optical cable; the node speed waveform data is the speed waveform data of the nodes along the axial direction of the target optical cable; determining at least one optical cable section in the target optical cable according to the at least one node; determining the observation speed of at least one optical cable section according to the strain waveform data and a plane wave hypothesis-based relationship; according to the node speed waveform data of the at least one node and a relation defined based on finite difference, determining a theoretical speed of the at least one optical cable section; determining the distributed optical fiber acoustic wave sensing DAS coupling quality of at least one optical cable section; the real-time automatic detection of the DAS coupling quality of at least one node in the target optical cable is realized, the detection cost is low, the detection range is wide, and the detection efficiency is high.

This invention relates to nitrogen-doped carbon dots with high quantum yield, their preparation method, and a method for detecting divalent mercury ions in water, belonging to the field of analytical detection technology. The nitrogen-doped carbon dots are obtained in one step using a solvothermal method with salicylic acid and nitric acid as raw materials and N,N-dimethylformamide as solvent. Experimental results show that the nitrogen-doped carbon dots have high quantum yield, and their quenching fluorescence intensity is comparable to that of Hg. 2+ The concentration is linearly correlated and can be used for Hg 2+ Quantitative detection of Hg, and the determination of Hg 2+ It exhibits excellent selectivity, anti-interference properties, and sensitivity. This nitrogen-doped carbon dot was combined with a microfluidic platform for the treatment of Hg in water. 2+ The detection limit for Hg content can be as low as 0.016 μM. The microfluidic platform avoids the use of large instruments and reduces reagent consumption, enabling on-site detection of Hg in water. 2+ Fast and convenient testing.

The application discloses an underground cavity detector and relates to the technical field of detection devices.The underground cavity detector comprises a detector cabin I and a detector cabin II, the detector cabin I and the detector cabin II are rotationally connected, the outer end of the detector cabin I is fixedly connected with a connector, a connector platform is connected with the connector, four traction belts are arranged on the connector platform, the four traction belts are arranged at the four corners of the connector platform, two supporting cylinders are arranged above the cavity, the top of the four traction belts is supported by the two supporting cylinders, anti-shaking devices are arranged outside the traction belts, and the multiple anti-shaking devices are arranged on the opposite sides of the traction belts.The underground cavity detector optimizes the traditional cavity testing device, the improved traction belts and the anti-shaking devices are used, the detector can keep a stable spatial posture when the detector is deeply inserted into the cavity, the subsequent detection of the three-dimensional spatial scale form is facilitated, and the scanning result is more accurate.

The utility model provides a kind of vertical assembly line automatic detection of multiple workpieces CT imaging detection device, comprising: protective lead room, assembly line lead door, installation lead door, assembly line conveying mechanism, feeding mechanism, X-ray penetration angle adjusting mechanism, workpiece positioning and rotating adjusting device;Through the conveying of vertical assembly line, various workpieces are conveyed to the inside of protective lead room for accurate positioning detection, complete the detection of various high-precision industrial CT, overcome the deficiencies and drawbacks of prior art, using full-automatic detection mode, improve detection accuracy, and reduce floor area, increase applicability, reduce cost, not only can left and right penetration detection, but also can be carried out up and down penetration detection, penetration angle increases, detection range is greatly increased, improve detection speed and detection efficiency.