Abstract: A tunnel tunneling system includes a bolter miner, a bolter-integrated transportation machine, a transfer machine, a self-moving tail and a belt conveyor. The bolter miner includes a rack, a cutting device, a drilling device and a control device. The cutting device is arranged on the rack and is swingable in an up-down direction, and has a lowest swing angle and a highest swing angle. The drilling device is arranged on the rack, and includes a drilling rig and a sensor. The drilling rig is configured to drill a tunnel floor and/or a tunnel roof, and the sensor is configured to monitor a set parameter of the drilling rig and generate a monitoring data signal when the drilling rig is drilling. The control device is configured to receive and analyze the monitoring data signal.

Abstract: The present application provides a brightness regulating method, a brightness regulating system and a display device, which relates to the technical field of displaying. The brightness regulating method includes: dividing the backlight module into a plurality of light areas; according to brightnesses of the light areas, determining a reference light area; according to a brightness of the reference light area, determining a compensation parameter of a to-be-compensated light area; converting the compensation parameter into compensated-grayscale data of the display panel; and according to the compensated-grayscale data, controlling a display frame corresponding to the to-be-compensated light area to display a brightness that has been updated.

Abstract: A power tool may include a battery pack interface configured to receive a removable and rechargeable battery pack. A device may include an outer rotor motor including a stator including a plurality of stator teeth configured to receive a plurality of stator coils and a rotor configured to rotate around the stator. The rotor includes a first permanent magnet positioned on an inner surface of the rotor, a second permanent magnet positioned on the inner surface of the rotor, and an air slot located between the first permanent magnet and the second permanent magnet on the inner surface of the rotor. The air slot has a length and a width. The length of the air slot is greater than a length of the first permanent magnet or the second permanent magnet.

Abstract: A photoresist and a display device are provided. A colorant of the photoresist includes a blue pigment and a purple dye having an electron withdrawing group. The electron withdrawing group promotes electron transitions, causing blue shifts in materials. Under a condition without changing a backlight spectrum having low blue light, it can prevent blue light from hurting user's retina, thereby satisfying a need of anti-blue light. Problems of low the color gamut and low transmittance in current technology can also be prevented.

Abstract: Some embodiments of the disclosure provide a method for measuring orthogonality of an orthogonal axis system, In some examples, the method includes following steps: placing an instrument on a bearing surface, intercepting a second rotary axis along an interception plane to obtain a first virtual cross section of the second rotary axis, and measuring the first virtual cross section to obtain a geometric center of the first virtual cross section as a first position; rotating a first rotary device to enable the second rotary axis to rotate with a preset angular degree, and measuring the second virtual cross section to obtain a geometric center of the second virtual cross section as a second position; and determining whether the orthogonality between the first rotary axis and the second rotary axis meets requirements or not on the basis of the first position and the second position.

Abstract: Provided are a display panel, a preparing method thereof, and a display device. The display panel includes a base substrate, light-emitting units disposed on a side of the substrate and disposed in the display region, a color filter layer disposed on a side of the light-emitting units facing away from the substrate and including multiple color filter units, and an optical adjustment layer disposed on a side of the base substrate and including multiple optical adjustment units. In the thickness direction of the display panel, a color filter unit at least partially overlaps a light-emitting unit. In a first direction, at least one of the optical adjustment units is disposed between adjacent color filter units. The refractive index of the color filter unit is greater than the refractive index of the optical adjustment unit.

Abstract: A measurement method for a device includes, for each antenna group other than a target antenna group in an antenna array, determining compensation values of the antenna group based on characteristic parameters of the antenna group and characteristic parameters of the target antenna group, and adjusting, based on the compensation values of the antenna group, an electromagnetic wave transmitted by each antenna unit in the antenna group such that electromagnetic waves transmitted by all antenna units in the antenna array have a same phase or amplitude when the electromagnetic waves arrive at a measurement probe of a second device, where the electromagnetic wave is used to measure an over-the-air beam parameter of the first device, and a distance between the first device and the measurement probe is less than a far-field boundary distance.

Abstract: A chip slot is disclosed, which includes a slot, where a plurality of terminal groups are disposed in the slot, terminals in each terminal group include metal sheets that are symmetrically disposed on two opposite inner side walls of the slot, and each metal sheet has a bending pin that extends outside the slot; bending directions of bending pins on the terminals in each terminal group are same; and for any row of metal sheets in any two adjacent terminal groups, along an arrangement direction of the row of metal sheets, bending pins of the metal sheets in the adjacent terminal groups are alternately arranged on both sides of the row of metal sheets. The bending pins of the row of metal sheets are bent toward two different directions.

Abstract: A method for implementing radar-communication integration of a vehicle, where the method includes obtaining, by a radar device of a first vehicle, a first communication message, modulating the first communication message into a first carrier signal, where an operating frequency of the first carrier signal is in an operating band of the radar device, sending a periodic radar signal, and sending the first carrier signal to a second vehicle within a time gap between sending of a radar signal in a current period and sending of a radar signal in a next period.

Abstract: A charging and field supplement circuit for superconducting magnets based on a pulsed current includes a capacitor charging circuit, an energy-storage capacitor, a capacitor discharging circuit, a superconducting magnetic energy storage circuit, and a superconducting persistent-current switch. Two output ends of the capacitor charging circuit are respectively connected to two ends of the energy-storage capacitor. Two input ends of the capacitor discharging circuit are respectively connected to the two ends of the energy-storage capacitor. Two output ends of the capacitor discharging circuit are respectively connected to two input ends of the superconducting magnetic energy storage circuit. Two output ends of the superconducting magnetic energy storage circuit are respectively connected to two input ends of the superconducting persistent-current switch. Two output ends of the superconducting persistent-current switch are configured to charge and magnetize a target superconducting magnet.

Abstract: A method and a device for cargo inventorying and a storage medium are provided in the disclosure. A storage-space image is obtained, where the storage-space image is obtained by performing image acquisition on at least one storage-space where cargoes are stored. A detection result is obtained by performing inference detection on the storage-space image. In addition, a result of cargo inventorying on the storage space is obtained by emphasizing cargoes in the storage-space image according to the detection result. In the disclosure, the detection result can be produced automatically by performing inference detection on the storage-space image. Based on the detection result produced automatically, it is also able to automatically emphasize the cargoes in the storage-space image and realize automatic inventory of cargoes by programmed automatic-control, thereby improving the efficiency of cargo inventorying.

Abstract: One example method includes transmitting a test signal through the transmit channel n, where the test signal is radiated by a service antenna element n corresponding to the transmit channel n and is received by a calibration antenna element in the phased array antenna. N coupling signals received by N calibration antenna elements coupled to the service antenna element n can then be obtained. Delay weighting can then be performed on the N coupling signals based on relative positions of the service antenna element n and each of the N calibration antenna elements to obtain N calibration signals. The N calibration signals can then be combined into the calibration signal corresponding to the transmit channel n. Calibration signals corresponding to all transmit channels in the phased array antenna can then be obtained. At least one of amplitudes or phases of the transmit channels can then be compensated for.

Abstract: Provided are a tray space planning method and a palletizing method thereof. The space planning method of the present disclosure can increase a utilization rate of the tray space when a size of a filling material for filing the tray matches a size of the tray by a non-integer multiple. The palletizing method based on the related space planning method, in addition to improving a utilization rate of the tray, can avoid a collision between the current filling material and other filling materials, while ensuring that the filling material approaches in a shortest path based on palletizing at a highest space utilization rate.

Abstract: A distracted-driving monitoring method, system and an electronic device are provided. The distracted-driving monitoring method includes: acquiring an image of a driver; detecting a target object in the image to obtain a detection result; obtaining a determination result of a driving behavior according to the detection result; and sending an alarm signal when the determination result indicates that a distracted-driving behavior occurs. Through at least some embodiments of the present disclosure, the distracted-driving behavior of the driver can be monitored in real time and alarmed, thus urging the driver to concentrate in driving, to ensure safe driving and avoid traffic accidents.

Abstract: A chip slot is disclosed, which includes a slot, where a plurality of terminal groups are disposed in the slot, terminals in each terminal group include metal sheets that are symmetrically disposed on two opposite inner side walls of the slot, and each metal sheet has a bending pin that extends outside the slot; bending directions of bending pins on the terminals in each terminal group are same; and for any row of metal sheets in any two adjacent terminal groups, along an arrangement direction of the row of metal sheets, bending pins of the metal sheets in the adjacent terminal groups are alternately arranged on both sides of the row of metal sheets. The bending pins of the row of metal sheets are bent toward two different directions.

Abstract: A charging and field supplement circuit for superconducting magnets based on a pulsed current includes a capacitor charging circuit, an energy-storage capacitor, a capacitor discharging circuit, a superconducting magnetic energy storage circuit, and a superconducting persistent-current switch. Two output ends of the capacitor charging circuit are respectively connected to two ends of the energy-storage capacitor. Two input ends of the capacitor discharging circuit are respectively connected to the two ends of the energy-storage capacitor. Two output ends of the capacitor discharging circuit are respectively connected to two input ends of the superconducting magnetic energy storage circuit. Two output ends of the superconducting magnetic energy storage circuit are respectively connected to two input ends of the superconducting persistent-current switch. Two output ends of the superconducting persistent-current switch are configured to charge and magnetize a target superconducting magnet.

Abstract: Disclosed are a genetic tumor marker combination, a methylation detection reagent, a kit, and use thereof. Lung cancer specimens can be distinguished by measuring the methylation level of a combination of HOXB4 and SRCIN1 genes. Proved by experiments, the reagent of the present disclosure can detect and diagnose lung cancer, and has clinical application value.

Abstract: The present disclosure provides a detection method, kit and system for non-invasive prenatal screening of fetal chromosome copy number variation, fetal chromosome microdeletion/microduplication, and/or dominant monogenic variation. The present disclosure further provides a method of designing a targeted capture probe. The detection method is used for non-invasive prenatal screening of fetuses, and compared with the existing detection method for non-invasive prenatal screening, its application scope in clinical genetic detection can be expanded, and the detection accuracy can be improved.

Abstract: The present invention provides a method for discovering a Bluetooth device. The method includes: receiving, by a second Bluetooth device, a first broadcast frame of a first Bluetooth device; determining, by the second Bluetooth device, whether the first broadcast frame includes first indication information; and if the first broadcast frame includes the first indication information, sending, by the second Bluetooth device, at least one second broadcast frame within a preset time period after receiving the first broadcast frame, where the second broadcast frame includes second indication information, and the second indication information is used to instruct a Bluetooth device receiving the second broadcast frame to exchange information with the second Bluetooth device.