Abstract: Provided are a nucleic acid library construction method and an application thereof in the analysis of an abnormal chromosomal structure of a preimplantation embryo. Enzymatic cleavage is performed by means of combining a first endonuclease and a second endonuclease to capture a DNA sequence within a fixed fragment range. The specific sequences captured are then sequenced. When the average genome sequencing depth is greater than or equal to 3×, an SNP analysis can be performed in the entire range of the genome in order to perform detection of balanced translocation of the embryo and the like by means of a linkage analysis of a family-line sample.

Abstract: An electro-mechanical braking apparatus includes a brake motor, a reducer, and a control circuit board which is configured to drive the brake motor. The input shaft of the reducer is in transmission connection with a motor shaft of the brake motor. The output shaft of the reducer is configured apply brake to wheels. In an axial direction of the brake motor, the input shaft and the output shaft are arranged on a side of the control circuit board that faces the brake motor. A thickness direction of the control circuit board is parallel to an axial direction of the input shaft, and a length direction of the control circuit board is parallel to an arrangement direction of the input shaft and the output shaft.

Abstract: This application provides an electro-mechanical braking apparatus, an electro-mechanical braking system, and a vehicle. The electro-mechanical braking apparatus includes a brake motor, a gearbox, a brake, and the locking mechanism. The brake motor drives the brake to brake the vehicle via the gearbox. The locking mechanism is located on a side of the gearbox in an axial direction of a gear shaft of the gearbox. The locking mechanism includes a clutch, an axial moving part, and a locking motor. The clutch is accommodated in an inner hole of the gear shaft. The axial moving part is configured to control the clutch to lock or release the gear shaft. The locking motor is configured to drive the axial moving part to move away from or toward the clutch. The electro-mechanical braking apparatus is small in volume and reliable in parking.

Abstract: An electro-mechanical brake apparatus including a brake motor and a gearbox are disclosed. In an axial direction of the motor shaft of the brake motor, the brake motor is adjacent to the gearbox, the motor shaft drives, by using the gearbox, a brake to brake a vehicle. An inner ring of a remote bearing of the brake motor is sleeved at an end that is of the motor shaft and that is away from the gearbox, and an outer ring of the remote bearing is supported by a housing of the brake motor. An inner ring of a near bearing of the brake motor is sleeved on a middle section of the motor shaft, and an outer ring of the near bearing is supported by the housing of the brake motor or a housing of the gearbox.

Abstract: This application provides an electro-mechanical brake apparatus and a vehicle. The electro-mechanical brake apparatus includes a brake motor, a gearbox, and a controller configured to drive the brake motor to rotate, and the brake motor is configured to drive, via the gearbox, a brake to brake a vehicle. The gearbox and the controller are housed in a housing that includes a spacer and is fastened to the brake motor. In a direction of a motor shaft of the brake motor, the brake motor, the gearbox, the spacer, and the controller are sequentially arranged, and the controller passes through the spacer and the gearbox and is electrically connected to the brake motor. In this application, the electro-mechanical brake apparatus reduces a size of the electro-mechanical brake apparatus.

Abstract: A multiparameter integrated online monitoring system and method for at least one energy storage battery based on Fiber Bragg grating (FBG) are provided. The system includes multiple sensors based on the FBG including a temperature, a strain, a pressure, a current, a voltage and a gas sensor, a FBG demodulator, a computer, and transmission optical fibers. The multiple sensors are connected in series on one transmission optical fiber and can be multiplexed to establish the multiparameter integrated and distributed optical fiber sensing monitoring network from single battery to module, or from single battery to cluster, or from single battery to energy storage system. The system has advantages of simple structure, small occupied space, anti-electromagnetic interference, corrosion resistance, multiparameter integration and distributed simultaneous measurement. It can monitor the status of the multiple parameters in real time, so as to judge the charge, health status and remaining life of the battery.

Abstract: An electro-mechanical brake apparatus, a system, and a vehicle. The electro-mechanical brake apparatus includes a brake motor and the reducer. The brake motor includes a rotor and a stator. The reducer includes the transmission shaft and a planetary gear set. An axis of the transmission shaft is offset to an axis of the rotor along a radial direction of the brake motor, the rotor is configured to drive the transmission shaft to rotate around the axis of the rotor, the transmission shaft is configured to drive, through a planet gear of the planetary gear set, a sun gear of the planetary gear set to rotate, and the sun gear is configured to drive the friction plate through a feed mechanism. The electro-mechanical brake apparatus implements integral integration of the brake motor and the reducer which reduces an axial size of the electro-mechanical brake apparatus.

Abstract: A non-blind area real-time monitoring and alarming system for an accident on a freeway is provided, which belongs to the field of photoelectric technology and can solve the existing problems in whole journey information monitoring for freeways, such as failure to cover all freeway sections and lack of all-weather and prompt monitoring, and being subject to severe environments such as rain, fog and snow, or conditions such as poor visibility at night. The system includes a distributed sound wave detection fiber-optic cable, a sound wave signal demodulator, a network switch, a workstation, and a monitoring terminal. A fiber-optic sensing network composed of a series of reflection nodes distributed at equal distances is utilized to monitor sound wave signals from traffic accidents efficiently in real time without blind areas, accurately locate a traffic incident by analyzing frequency components, and transmit alarming information in time.

Abstract: Provided are a nucleic acid library construction method and an application thereof in the analysis of an abnormal chromosomal structure of a preimplantation embryo. Enzymatic cleavage is performed by means of combining a first endonuclease and a second endonuclease to capture a DNA sequence within a fixed fragment range. The specific sequences captured are then sequenced. When the average genome sequencing depth is greater than or equal to 3×, an SNP analysis can be performed in the entire range of the genome in order to perform detection of balanced translocation of the embryo and the like by means of a linkage analysis of a family-line sample.

Abstract: A non-blind area real-time monitoring and alarming system for an accident on a freeway is provided, which belongs to the field of photoelectric technology and can solve the existing problems in whole journey information monitoring for freeways, such as failure to cover all freeway sections and lack of all-weather and prompt monitoring, and being subject to severe environments such as rain, fog and snow, or conditions such as poor visibility at night. The system includes a distributed sound wave detection fiber-optic cable, a sound wave signal demodulator, a network switch, a workstation, and a monitoring terminal. A fiber-optic sensing network composed of a series of reflection nodes distributed at equal distances is utilized to monitor sound wave signals from traffic accidents efficiently in real time without blind areas, accurately locate a traffic incident by analyzing frequency components, and transmit alarming information in time.

Abstract: A multiparameter integrated online monitoring system and method for at least one energy storage battery based on Fiber Bragg grating (FBG) are provided. The system includes multiple sensors based on the FBG including a temperature, a strain, a pressure, a current, a voltage and a gas sensor, a FBG demodulator, a computer, and transmission optical fibers. The multiple sensors are connected in series on one transmission optical fiber and can be multiplexed to establish the multiparameter integrated and distributed optical fiber sensing monitoring network from single battery to module, or from single battery to cluster, or from single battery to energy storage system. The system has advantages of simple structure, small occupied space, anti-electromagnetic interference, corrosion resistance, multiparameter integration and distributed simultaneous measurement. It can monitor the status of the multiple parameters in real time, so as to judge the charge, health status and remaining life of the battery.

Abstract: An integrated imaging display system is provided. The integrated imaging display system includes: a light source, a converging lens, an illumination microlens array, and a projection microlens array, where illumination microlens units in the illumination microlens array and projection microlens units in the projection microlens array are disposed in a one-to-one correspondence, and the converging lens converts all light emitted by the light source into parallel light and then irradiates the parallel light to the illumination microlens array; a sub-image is provided on a side of each of the illumination microlens units close to the projection microlens unit; all light emitted by each of the illumination microlens units is irradiated on a corresponding projection microlens unit after passing through the sub-image, and the projection microlens array displays an image of the sub-image.

Abstract: An integrated imaging display system is provided. The integrated imaging display system includes: a light source, a converging lens, an illumination microlens array, and a projection microlens array, where illumination microlens units in the illumination microlens array and projection microlens units in the projection microlens array are disposed in a one-to-one correspondence, and the converging lens converts all light emitted by the light source into parallel light and then irradiates the parallel light to the illumination microlens array; a sub-image is provided on a side of each of the illumination microlens units close to the projection microlens unit; all light emitted by each of the illumination microlens units is irradiated on a corresponding projection microlens unit after passing through the sub-image, and the projection microlens array displays an image of the sub-image.

Abstract: The present invention relates to a resonator and discloses a transverse magnetic mode dielectric resonator, a transverse magnetic mode dielectric filter, and a base station. By using the present invention, good contact between contact surfaces and convenient assembly can be achieved. Moreover, the transverse magnetic mode dielectric resonator according to the embodiments of the present invention has good structure stability, convenient assembly, and strong realizability, thereby being suitable for mass production and having good mass production consistency.