Abstract: A radiographic inspection device and a method of inspecting an object are provided. The radiographic inspection device includes: a support frame, where an inspection space applicable to inspect an object is formed within the support frame, and the inspection space has an entrance and an exit which are connecting to an outside; a transfer channel applicable to carry the object to move through the inspection space; a first shielding curtain and a second shielding curtain respectively mounted at the entrance and the exit; and a driving mechanism mounted on the support frame and configured to drive at least one of the first shielding curtain and the second shielding curtain to move, in response to the object getting close to or moving away from at least one of the entrance and the exit, so as to open or close the at least one of the entrance or the exit.

Abstract: The disclosure relates to the field of lithium-ion batteries and discloses a ternary positive electrode active material in a form of particles, and an area of 1 nm to 1,000 nm in a direction from an outermost surface to a center in a cross-section of each of the particles is defined as an outer layer, and the rest in the cross-section of each of the particles is defined as an inner layer. The inner layer is doped with a first metal element M, the outer layer is doped with a second metal element N, and a valence state of the first metal element M is lower than a valence state of the second metal element N. The center of the ternary active material particles is doped with the first metal element M in a low-valence state.

Abstract: A photographing method includes: in response to determining that a processing condition for multi-frame photographing is met, acquiring images from one or more second photographing apparatuses respectively to obtain a plurality of frames of images; and performing multi-frame fusion processing on the plurality of frames of images to obtain a photographed image.

Abstract: A radiographic inspection device and a method of inspecting an object are provided. The radiographic inspection device includes a support frame, where an inspection space applicable to inspect an object is formed within the support frame, and the inspection space has a first opening connecting to an outside; a transfer mechanism applicable to carry the object to move through the inspection space; a shielding curtain mounted at the first opening; and a driving mechanism mounted on the support frame and configured to drive the shielding curtain to move, so as to open or close the first opening. Since the driving mechanism drives the shielding curtain to rise or fall, it is possible to ensure that the lightweight object for inspection may smoothly enter the inspection space for subsequent radiographic scanning.

Abstract: A radiographic inspection apparatus and a vehicle-mounted security inspection system. The radiographic inspection apparatus includes a scanning device, where the scanning device includes: an upright framework; a slip ring rotatably provided on the upright framework; and a locking mechanism. The locking mechanism includes: a driving mechanism provided on the upright framework; and a contact portion provided on the driving mechanism to come into contact with an outer ring of the slip ring under a driving of the driving mechanism, so as to prevent the slip ring from rotating relative to the upright framework.

Abstract: The present application provides a method for detecting a broken fanout wire of a display substrate, and a display substrate, and belongs to the field of display technology. In the method for detecting a broken fanout wire, the display substrate includes a base substrate having first and second surfaces opposite to each other, and a plurality of connection structures disposed at intervals on the first surface; and each connection structure includes first and second pads and a fanout wire electrically connecting the first pad to the second pad. The method for detecting a broken fanout wire includes: forming at least one detection unit, which includes: connecting at least two connection structures in series through a connecting part; and measuring a head and an end of the detection unit to obtain resistance of the detection unit, and determining whether there is a broken fanout wire in the detection unit.

Abstract: Provided is a pixel driving circuit configured to provide a signal to a to-be-driven element. The pixel driving circuit includes: a current control sub-circuit, configured to transmit a current signal; a time length control sub-circuit, configured to transmit a time signal; and an output sub-circuit, electrically connected with the time length control sub-circuit and the current control sub-circuit, respectively; where the time length control sub-circuit is further configured to control the output sub-circuit to be turned on or off based on the time signal; the output sub-circuit is configured to, when turned on, control a current applied to the to-be-driven element based on the current signal, where duration of two adjacent turn-ons of the output sub-circuit is same and duration of two adjacent turn-offs of the output sub-circuit is same.

Abstract: Embodiments of the present invention are an unmanned aerial vehicle (UAV) severe low-power protection method and a UAV. The method includes: first acquiring ground environment information when the UAV is in a severe low-power protection state, and then obtaining landing safety judgment information according to the ground environment information, and further controlling a flight state of the UAV according to the landing safety judgment information to realize a safe landing of the UAV. The foregoing method reduces the probability of explosion of the UAV, avoids injury accidents, and improves flight safety when the UAV is in a severe low-power state.

Abstract: A radiographic inspection device and a method of inspecting an object are provided. The radiographic inspection device includes a support frame, where an inspection space applicable to inspect an object is formed within the support frame, and the inspection space has a first opening connecting to an outside; a transfer mechanism applicable to carry the object and move through the inspection space; a shielding curtain mounted at the first opening; and a driving mechanism. The driving mechanism includes: a driver mounted on the support frame; and a joint portion, where an upper end of the shielding curtain is connected to the joint portion. The driver is configured to synchronously drive two ends of the joint portion, so that the shielding curtain moves up and down with the joint portion to open or close the first opening.

Abstract: A light emitting plate, a wiring plate and a display device are provided. The light emitting plate includes light emitting units. Each light emitting unit includes a light emitting sub-unit including a connection line unit and a light emitting diode chip connected with the connection line unit. The connection line unit includes electrical contact pairs, and each electrical contact pairs includes a first electrode contact and a second electrode contact; in each connection line unit, the second electrode contacts are electrically connected with each other, the first electrode contacts are electrically connected with each other, and only one electrical contact pairs in each connection line unit is connected with the light emitting diode chip; in each connection line unit, at least two first electrode contacts are arranged adjacent to each other, and at least two first electrode contacts are arranged between at least two second electrode contacts.

Abstract: Disclosed are a pixel circuit and a driving method thereof, an array substrate and a display apparatus. The pixel circuit includes a pixel sub-circuit. The pixel sub-circuit includes a first adjusting circuit and a second adjusting circuit. The first adjusting circuit is configured to receive a first data signal and a light-emitting control signal to control a magnitude of a driving current used for driving a light-emitting element to emit light; the second adjusting circuit is configured to receive a second data signal and a time control signal to control a time duration in which the driving current is applied to the light-emitting element; and the time control signal changes within a time period during which the light-emitting control signal allows the driving current to be generated.

Abstract: Embodiments of the disclosure disclose a method for displaying content, an electronic device and a storage medium. It is applied to electronic device including a display screen, the size of the content display area of the display screen is adjustable, the content display area is the visible area in the display area included in the display screen. For instance a first interface content may be displayed in the content display area, in response to an increase in a size of the content display area. A second interface content may be displayed in the content display area with the first interface content.

Abstract: Provided are a method and system for displaying a virtual prop in a real environment image, and a terminal device. The method is implemented by a head-mounted device. In the method, a scene editing interface and a virtual ray on the real environment image are superposed and displayed the scene editing interface contains a prop selection list, and the prop selection list contains a prop selection control corresponding to at least one virtual prop; the virtual ray is moved to intersect with a target prop selection control in the real environment image based on ray adjustment data; and in response to a first control instruction, a target virtual prop corresponding to the target prop selection control is displayed in the real environment image.

Abstract: Disclosed is a vehicle fuel economy evaluation method based on data analysis. The method combines data processing and a fuel model with an enhanced learning mechanism to predict fuel consumption, analyze driving behavior and output an improvement suggestion. With continuous enhanced learning and long-term dynamic improvement, the model will be able to predict economic fuel consumption in an increasingly accurate way, along with specific and intuitive driving behavior suggestions to help drivers to drive economically.

Abstract: A method for detecting the load mass of a commercial vehicle includes the following steps. Step S1, data preprocessing: including data analysis, cleaning, noise processing and other operations for original terminal data of the vehicle. Step S2, identification and analysis of working conditions: further analyzing the working conditions according to the preprocessed data. Step S3, data screening: determining whether data with the working conditions analyzed belong to test data or training data; proceeding to step S5 if the data belong to test data, or proceeding to step S4 if the data belong to training data. Step S4, model construction and combination: constructing a plurality of different basic models through the training data in the step S2, and finally combining the models through training and screening.

Abstract: A field agricultural machinery test platform, comprising a field soil groove, traveling guide rails, traveling trolleys, a hitch trolley, a hitch device mechanism, and a test system. The two guide rails are provided on both sides of the field soil groove in parallel, and the traveling trolleys are located on the guide rails; a cross beam is provided between the two guide rails, and the two ends of the cross beam are respectively connected to the traveling trolleys; the hitch trolley is provided on the cross beam, and a hitch device is provided on the hitch trolley; the test system is provided on the hitch trolley and the hitch device; a test machine is connected to the hitch device; the test system comprises an image assembly, a force test assembly, and a control assembly which are mounted on the hitch trolley.

Abstract: The present invention relates to a food-grade lip balm and the preparation method thereof, and belongs to the field of skin care products. The food-grade lip balm of the present invention comprises the following components: 1-30 parts by weight of rice bran wax, 10-80 parts by weight of shea butter, 1-60 parts by weight of a hydrogenated vegetable oil, 2-50 parts by weight of a naturally derived emollient oil, 0.1-30 parts by weight of a naturally derived aromatic oil, and 0.1-10 parts by weight of tocopherol. The components of the lip balm of the present invention are all naturally derived. It is safe and has good lip-protecting effects. The food-grade lip balm is of natural origin, safe and moisturizing; it has good ductility and moisture retention ability, could effectively tackle the drying and peeling of the lip skin, and provides a good user experience.