13results about How to "Easy detection" patented technology

This invention provides a method for hypertension risk assessment, relating to the field of epigenetic detection technology. It includes: performing event alignment and residual modeling on a qualified signal set to establish a base probability at the locus level and forming baseline features through neighborhood consistency screening; constructing a tunneling sensitization model and contextual attention, fusing discriminative and generative evidence to obtain enhanced features; quantifying IGF2BP3 and aligning and fusing it with the enhanced features; constructing an IGF2BP3-mediated metabolic network based on this, performing time-series modeling and stability assessment, and extracting final-state features; fusing the final-state risk vector with multi-gene scores to complete adaptive grading and compliant report generation. This method is robust, interpretable, and easy to deploy.

The utility model relates to technical field of hardware circuit board circuit structure, concretely relates to a MOS pipe short circuit identification protection circuit, and technical solution main points include the identification circuit between input and the source electrode s of MOS pipe Q3 is connected, identification circuit protection resistance RS1, resistance R1, resistance R2, capacitor C1, triode Q2 and singlechip, the series connection between input and MOS pipe Q1 on resistance RS1, triode Q2's emitting electrode connects input, capacitor C2 one end and resistance R1 one end, triode Q2's base connects capacitor C2 other end, resistance R1 other end and resistance R2 one end, resistance R2 other end connects the joint between resistance RS1 and MOS pipe Q3, triode Q2's collector connects singlechip one pin, the utility model discloses through identification circuit, carries out short circuit detection and identification to MOS pipe, in order to facilitate circuit protection.

This application discloses a high-precision microwave frequency measurement method and system based on continuous-time crystal phase transitions, belonging to the field of quantum sensing technology. This method utilizes the characteristic of the Rydberg atom system at the critical point of a continuous-time crystal phase transition where the response slope of the detected light transmission signal to the microwave frequency is significantly enhanced, breaking through the resolution limit of traditional linear responses. The system includes a quantum sensing unit, an optical excitation and detection module, a microwave modulation and scanning module, an auxiliary radio frequency field module, and a signal processing and control center. By precisely adjusting the parameters, the system is driven to the vicinity of the critical point, the critical frequency is identified, and its high response slope is used to achieve precise frequency measurement. This invention employs a two-stage measurement process, balancing wide dynamic range and high precision, and can be flexibly tuned to adapt to different frequency bands, possessing broad application prospects, especially in microwave communication, frequency metrology, and other fields with significant technical value.

This invention discloses a pyrimethanil hapten, an artificial antigen, and their preparation methods and applications. The structural formula of the pyrimethanil hapten is shown below. The arm introduced in this invention not only possesses an active group but also fully retains the benzene ring and dimethylpyrimidine ring structure of the target analyte, enhancing the recognition site. The pyrimethanil artificial antigen and monoclonal antibody of this invention exhibit high specificity for ELISA detection, with an IC50 rating of [missing information]. 50 The value is 1.97 μg / L, which is better than existing monoclonal antibodies. It can be used in colloidal gold immunochromatography to rapidly and conveniently detect pyrimethanil. The colloidal gold immunochromatographic test strip prepared in this invention has a detection sensitivity of 10 μg / L for pyrimethanil.

The application discloses a cold atom gravity measurement system and method based on a planar magnetic well and a mirror surface atom chip. In view of the deficiencies of the existing reflection type atom chip in the aspects of integration, energy consumption and atom control efficiency, the application introduces a planar magnetic well and a mirror surface atom chip, effectively reduces the system manufacturing cost, improves the space utilization efficiency, optimizes the chip energy consumption structure, and significantly enhances the efficiency and purity of atom capture. The system has significant advantages in the aspects of atom control performance and integrated design, specifically, high-efficiency atom cooling and capturing capacity, low power consumption, low noise, good detection and coupling characteristics, and excellent scalability, and provides a high-precision solution with a more compact structure, more stable performance and suitability for practical application for cold atom gravity measurement.

The application discloses an elastic cantilever beam, an optical fiber acceleration sensing device and system, and belongs to the technical field of optical fiber sensing. The elastic cantilever beam comprises a U-shaped beam body structure, the diameters of beam arms of the beam body structure gradually increase along the direction of an opening end of the beam body structure; a hollow part is arranged between the beam arms, the width of the hollow part gradually increases along the direction of the opening end of the beam body, and a plurality of beam body structures are arranged in parallel and connected through connecting parts to form a multi-period folding structure. The elastic cantilever beam provided by the application is used for acceleration signal sensing through a design of a width-gradually-changing multi-period folding cantilever beam. Under the same size, the deformation amount of the cantilever beam structure can be significantly increased compared with a conventional elastic cantilever beam when force is borne, so that the acceleration signal detection sensitivity of the sensing structure can be improved, and high-sensitivity and low-noise-level acceleration signal detection can be realized.

This invention relates to an array ultrasonic testing probe and its testing method for small-diameter hollow shafts. It is used for non-destructive testing of internal channel defects in objects such as small-diameter hollow shafts (inner diameter ≤ 30mm) (e.g., hollow railway axles, hollow aircraft axles, etc.). The testing probe extends into the internal channel (11) of the object being tested (1) for inspection. The testing probe includes a probe base, an acoustic matching device, and a composite cable. The probe base is configured as a cylindrical structure adapted to the hollow inner diameter of the object being tested. This invention incorporates an acoustic matching device with an elastic capsule structure. The pressure of the coupling agent within the elastic capsule is adjusted by a coupling agent supply device to regulate the probe's outer diameter.

The utility model discloses a kind of tunnel vault detection devices, it is related to tunnel detection field, including base;Mounting bracket, mounting bracket is set on base;Detection structure, detection structure is set on mounting bracket, and detection structure is used to detect tunnel vault;Movable structure, movable structure is set on mounting bracket, and movable structure is used to drive detection structure to move;The detection device is stretched respectively to two movable rods on mounting rod, drives ultrasonic detector to move upwards, so that ultrasonic detector is close to tunnel vault, and then rotates and tight positioning bolt, makes its one end sliding and inserts into corresponding positioning hole, limits and fixes to movable rod, and rotates screw rod, so that threaded sleeve drives connecting column to extrude movable groove inner wall, pushes connecting rod and mounting rod to rotate, movable rod and ultrasonic detector rotate together with mounting rod, adjust the position of ultrasonic detector, it is convenient to detect multiple positions of tunnel vault.

The invention relates to a wheel bearing assembly, in particular a wheel bearing assembly (1) comprising a wheel hub (10) with an inner toothing (12), a wheel bearing (20) arranged at the wheel hub, a constant-velocity joint (30) with a journal (32), wherein the journal has an outer toothing (33) which is in engagement with the inner toothing (12) of the wheel hub for torque transmission, and a clamping device (40) via which the wheel hub including the wheel bearing is clamped in this way axially against the constant-velocity joint such that a bearing inner ring (21) of the wheel bearing (20) is pressed against an abutment shoulder (34) of the constant-velocity joint (30). Between the bearing inner ring (21) and the abutment shoulder (34) there is arranged a metallic, uncoated and friction-enhanced friction ring (50) for which the coefficient of sliding friction against the contact of the bearing inner ring (21) and the abutment shoulder (34) is at least 80% of the coefficient of static friction, respectively.

The utility model provides a kind of intelligent vibration sampler suitable for complex sea conditions of middle and shallow sea, it is related to sampling device technical field, to solve the problem that the existing vibration sampler cannot detect seabed condition in the process of sampler lowering when using due to complex seabed condition, it includes: base;The inside of the base is equipped with middle connector block;The camera is fixedly connected on the outer wall of the middle connector block of the base;Pressure sensor is fixedly connected on the outer wall of the middle connector block of the base;Attitude instrument is fixedly connected on the outer wall of the middle connector block of the base.External control terminal is connected with portable cable through junction box, can receive seabed environment image photographed by camera, pressure data detected by pressure sensor and attitude information fed back by attitude instrument in real time, and operator can intuitively understand the working condition of sampler under water and surrounding environment in safe position away from sampling site through external control terminal.

This invention relates to the field of detection system technology, and in particular to a surface thin film detection system for IML display devices. It utilizes inverse mapping of connected domains at the target level of an image pyramid to obtain the region of interest, locks the centroid of the defect based on the spatial moment ratio, extracts the second-order central moment, and constructs a topological inertia tensor covariance matrix to obtain the principal and secondary eigenvalues. This allows for comparison and decision-making regarding the equivalent inertial ellipse area, anisotropic topological density, and distribution eccentricity. This solves the problems of fragmented, missed detections of discrete defects and false detections caused by near-field dust. It achieves adaptive defect tilting posture rotation and bonding at the wrapping boundary, eliminates area calculation distortion, and precisely breaks discrete dust through a two-dimensional threshold. This system achieves high detection rate, low false detection rate, and microsecond-level online quality inspection with low computing power.

This invention relates to the field of quantum precision measurement technology, and in particular to a laser frequency stabilization device, method, and microwave measurement device based on an atomic receiver. The laser frequency stabilization device integrates an atomic gas cell and a laser transmission fiber, bonding the atomic gas cell to a glass substrate to form a frequency-stabilized optical path with the laser transmission fiber. This simultaneously locks the laser frequencies of the coupled laser and the probe laser, significantly reducing the size of the frequency-stabilized optical path and greatly improving its stability compared to existing laser frequency stabilization methods. The microwave measurement device employs a handheld U-shaped integrated atomic probe. This U-shaped atomic probe uses a three-port wavelength division multiplexer, eliminating the need for free-space optical path detection. Compared to the original linear atomic probe, this greatly improves the portability of the microwave measurement device.

The utility model discloses a kind of anticorrosive coating internal damage infrared thermal imaging detection devices, belong to anticorrosive coating detection equipment technical field, bottom surface recessedly installed with an infrared thermal imager and at least one heat excitation light source, and detachably installed with a blocking guide cover in the periphery of infrared thermal imager and heat excitation light source on bottom surface, the opening end face of the side of blocking guide cover away from bottom plate is arc shape opening face or plane opening face.The anticorrosive coating internal damage infrared thermal imaging detection device provided by the utility model can conveniently detect the coating damage of wall surface, cylindrical surface and the like to obtain detection data, has strong adaptability, is convenient to operate, by optimizing the structure of device, it is more portable, flexible, easy to operate, while improving detection efficiency, more efficient and reliable.