Abstract: An ultra-wideband electromagnetic band gap (EBG) structure includes multiple EBG units in an array. Each EBG unit includes a power plane, a dielectric substrate and a ground plane from top to bottom. The power plane includes a patch, a coupled complementary split ring resonator (C-CSRR) and a plurality of semi-improved Z-bridge structures. Each edge of the patch is provided with a semi-improved Z-bridge structure. The C-CSRR is provided within a ring formed by the semi-improved Z-bridge structures. The Z-bridge structure includes a first horizontal branch, a first vertical branch, a second horizontal branch and a second vertical branch connected in sequence. The second vertical branch is connected to the patch. First horizontal branches of adjacent EBG units are connected to each other. A circuit board including the aforementioned EBG structure is also provided.

Abstract: The embodiments of the present disclosure provide a detachable anti-vibration sealing protection device for a pipe flange. The protection device includes a casing, wherein left and right end surfaces of the casing have through holes for the pipeline to pass through, and the casing has an accommodation cavity for placing the flange; a first shock absorption assembly for radial shock absorption of the flange; and a second shock absorption assembly which is installed in a one-to-one correspondence with the flange and is configured for axial shock absorption of the corresponding flange. The first shock absorption assembly and the second shock absorption assembly are installed in the accommodation cavity.

Abstract: A method and system for AR-based graded management education of laboratory safety risk are provided, which includes following steps: collecting laboratory image data and sensor data and obtaining a risk grade matching rule of a laboratory; identifying image feature data of the image data and sensor feature data of the sensor data, converting matched image feature data into a laboratory equipment name and converting matched sensor feature data into an equipment model; inputting the equipment name and a corresponding equipment model and quantity into the risk grade matching rule of the laboratory, and outputting a risk grade of a current laboratory according to the risk grade matching rule of the laboratory; and fusing and matching a AR template image corresponding to the identified and output risk grade and real image information according to preset AR template images for various risk grades, so as to output alarm information.

Abstract: An AR-based method and system for monitoring safety of a carbon dioxide incubator are provided. The method includes obtaining temperature data, carbon dioxide concentration data and door and window opening and closing data through sensors; collecting image infoimation of the carbon dioxide incubator and establishing a virtual space coordinate system; constructing a real space coordinate system according to a position of a camera, and acquiring a matrix of the carbon dioxide incubator in the real space coordinate system; transfoiming the matrix corresponding to the carbon dioxide incubator image in the real coordinate system into a matrix in the virtual coordinate system according to a transformation relation matrix, so as to construct position and pose data of a virtual incubator; and deteimining a risk grade according to the position and pose data of the virtual incubator and collected sensor data, and visualizing and displaying risk in an augmented-reality manner.

Abstract: An in-vitro medical diagnostic system includes a host (1), a removable test card (2) and a removable reagent pack (3). The reagent pack (3) includes a calibrating liquid needed in a process for calibrating the test card (2); the reagent pack (3) is clamped to the host (1), with only first power drive and valve control transmission being provided between the host (1) and the reagent pack (3); and the test card (2) is mounted on the host (1) during the entire test process, with only second power drive and an optical conduction path being provided between the host (1) and the test card (2). No liquid path is present in the host (1) of the in-vitro diagnostic system, thus eliminating hidden medical dangers. Tests for blood gas, hemoglobin and derivatives thereof can be achieved in a single test card.

Abstract: The present application provides a removable reagent pack for use in an in-vitro diagnostic device. The removable reagent pack internally includes a calibration solution bag, a calibration solution output pipeline, a valve part, a pump, and an air pipeline, wherein the calibration solution output pipeline is connected to a first end of the valve part, the air pipeline is connected to a second end of the valve part, and a third end of the valve part is connected to an external interface of the reagent pack by means of the pump. The removable reagent pack is suitable for independent transportation and storage, and the reagent pack can be reused many times because the readable device is provided with a device allowing for reading factory information and use status.

Abstract: The present application provides a removable detection card for an in-vitro medical diagnosis device. The removable detection card at least includes internal liquid paths, a blood gas test area, a hemoglobin and derivative thereof test area, a liquid path control area and a waste liquid area. The blood gas test area and the hemoglobin and derivative thereof test area are distributed on different liquid paths, so that the same blood sample or different blood samples can enter the blood gas test area or the hemoglobin and derivative thereof test area by controlling, by the liquid path control area, switching between the internal liquid paths of the removable detection card, the use cost of the detection card is reduced, and moreover, the calibration precision of the detection card can be ensured.

Abstract: An apparatus for measuring photon information and a photon measurement device are disclosed.

Abstract: The present invention provides a detector and an emission tomography device including the detector. The detector comprises: a scintillation crystal array comprising a plurality of scintillation crystals; and a photo sensor array, coupled to an end surface of the scintillation crystal array and comprising multiple photo sensors. At least one of the multiple photo sensors is coupled to a plurality of the scintillation crystals respectively. Surfaces of the plurality of the scintillation crystals not coupled to the photo sensor array are each provided with a light-reflecting layer, and a light-transmitting window is disposed in the light-reflecting layer on a surface among the surfaces adjacent to a scintillation crystal coupled to an adjacent photo sensor. The detector has DOI decoding capability. No mutual interference occurs during DOI decoding, and decoding is more accurate.

Abstract: An apparatus for measuring photon information and a photon measurement device are disclosed.

Abstract: An apparatus, device and method for measuring a gain of a sensor are disclosed. The apparatus comprises a current detection circuit (122) and a processing circuit (124). An input end of the current detection circuit (122) is used for connecting to an output end of a sensor unit (110). The current detection circuit (122) is used for detecting a current signal output by the sensor unit and generating a corresponding detection signal. An input end of the processing circuit (124) is connected to an output end of the current detection circuit (122). The processing circuit (124) is used for calculating energy of dark events occurring in the sensor unit (110) according to the detection signal, generating an energy spectrogram of the dark event, and calculating a gain of the sensor unit (110) based on the energy spectrogram.

Abstract: An apparatus, device and method for measuring a breakdown voltage are disclosed. The apparatus comprises a controlled voltage source (122), a current detection circuit (124), and a processing circuit (126). The controlled voltage source (122) is used for providing a series of test bias voltages for the sensor unit (110). The current detection circuit (124) is used for detecting a current signal output by the sensor unit (110) and generating a corresponding detection signal. The processing circuit (126) is used for controlling the controlled voltage source (122) to provide a series of test bias voltages, calculating dark currents respectively corresponding to the series of test bias voltages on the basis of the detection signal, and determining a breakdown voltage of the sensor unit (110) on the basis of the series of test bias voltages and the dark currents.

Abstract: A photon measurement front-end circuit has an integral module for integrating the difference between an initial signal from a photoelectric detector and a feedback signal, and outputting an integral signal, a comparator for comparing the integral signal with a reference signal and generating a comparison result, a transmission controller for controlling the transmission of the comparison result by using a clock signal, in order to output a digital signal, a negative feedback module for converting the digital signal into the feedback signal and feeding the feedback signal back to the integral module, and a photon measurement module comprising an energy measurement module for measuring, by use of the digital signal, the energy of photons detected by the photoelectric detector. The photon measurement front-end circuit has a simple circuit structure and reduced power consumption and costs, and energy measurement is not affected by the starting time of the initial signal.

Abstract: The present invention provides a detector and an emission tomography device including the detector. The detector comprises: a scintillation crystal array comprising a plurality of scintillation crystals; and a photo sensor array, coupled to an end surface of the scintillation crystal array and comprising multiple photo sensors. At least one of the multiple photo sensors is coupled to a plurality of the scintillation crystals respectively. Surfaces of the plurality of the scintillation crystals not coupled to the photo sensor array are each provided with a light-reflecting layer, and a light-transmitting window is disposed in the light-reflecting layer on a surface among the surfaces adjacent to a scintillation crystal coupled to an adjacent photo sensor. The detector has DOI decoding capability. No mutual interference occurs during DOI decoding, and decoding is more accurate.

Abstract: An apparatus, device and method for measuring a breakdown voltage are disclosed. The apparatus comprises a controlled voltage source (122), a current detection circuit (124), and a processing circuit (126). An output end of the controlled voltage source (122) is connected to an input end of a sensor unit (110). The controlled voltage source (122) is used for providing a series of test bias voltages for the sensor unit (110). An input end of the current detection circuit (124) is connected to an output end of the sensor unit (110). The current detection circuit (124) is used for detecting a current signal output by the sensor unit (110) and generating a corresponding detection signal. An input end of the processing circuit (126) is connected to an output end of the current detection circuit (124). An output end of the processing circuit (126) is connected to an input end of the controlled voltage source (122).

Abstract: An apparatus, device and method for measuring a gain of a sensor are disclosed. The apparatus comprises a current detection circuit (122) and a processing circuit (124). An input end of the current detection circuit (122) is used for connecting to an output end of a sensor unit (110). The current detection circuit (122) is used for detecting a current signal output by the sensor unit and generating a corresponding detection signal. An input end of the processing circuit (124) is connected to an output end of the current detection circuit (122). The processing circuit (124) is used for calculating energy of dark events occurring in the sensor unit (110) according to the detection signal, generating an energy spectrogram of the dark event, and calculating a gain of the sensor unit (110) based on the energy spectrogram.

Abstract: A photon measurement front-end circuit (200, 400, 800, 900) comprises an integral module (210, 410, 910), a comparator (220, 420, 810, 920), a transmission controller (230, 430, 820, 930), a negative feedback module (240, 440, 830, 940) and a photon measurement module (250, 450, 840, 950). The integral module (210, 410, 910) is used for receiving an initial signal from a photoelectric detector and a feedback signal from the negative feedback module (240, 440, 830, 940), integrating the difference between the initial signal and the feedback signal, and outputting an integral signal. The comparator (220, 420, 810, 920) is used for comparing the integral signal with a reference level and generating a comparison result. The transmission controller (230, 430, 820, 930) is used for controlling the transmission of the comparison result by using a clock signal, in order to output a digital signal.

Abstract: A medical tested object auto-ejection structure comprises a detection instrument and a tested object (1). An insertion port is formed in the detection instrument. When the tested object (1) is inserted in the instrument through the insertion port, the bottom end of the tested object (1) presses a bulge (21) used for rebounding, and a raised step (11) arranged on the surface of one side of the tested object (1) is locked on a clamping buckle (31) arranged at a position corresponding to the step on the instrument simultaneously, and after a test is finished, the instrument releases the locking of the clamping buckle (31) for the tested object (1) by a transmission device, and the tested object (1) is ejected from the instrument in time under the action of the bulge (21) used for rebounding, thus solving the problem of forgetting to pull the tested object out or inability to pull it out in time, and improving the reliability of the product.

Abstract: Disclosed are a linkage control device and a blood gas analyzer adopting the linkage control device. The linkage control device comprises a power unit and a rotating component (4) provided with bosses (41, 42). The power unit generates power to drive the rotating component (4) to rotate. The linkage control device further comprises valve components (5, 6, 7, 8), a signal control unit, sensing switches, and sensing pins (43, 44, 45, 46). The valve components (5, 6, 7, 8) are matched with the bosses (41, 42) of the rotating component (4) in a pushing manner. The signal control unit controls the start or stop of the power unit. The sensing switches are connected to the signal control unit via signals. The sensing pins (43, 44, 45, 46) are arranged in pair with the sensing switches and are arranged on the rotating component (4).

Abstract: A self-calibration temperature control method and device includes a temperature feedback and control unit, a precise temperature measurement unit, and a temperature calibration unit. The temperature feedback and control unit has a negative temperature coefficient thermistor and an analog feedback control circuit that are connected with a controlled heating element. The temperature calibration unit includes a CPU, a data latch circuit with an input end connected with the CPU through a bus, and a digital potentiometer connected with the temperature feedback and control unit, an output end of the data latch circuit being connected with the digital potentiometer through the bus.