Abstract: A computer device displays a conversation page of a target conversation corresponding to an instant messaging application, The target conversation comprises at least two conversation participants. In accordance with a determination that emojis transmitted by the at least two conversation participants in the target conversation satisfy a trigger condition for a first emoji interaction animation, the computer device displays the first emoji interaction animation on the conversation page. The first emoji interaction animation comprises an interaction animation between the emojis transmitted by the at least two conversation participants.

Abstract: Disclosed in the present invention are a battery pack tray and an electric vehicle. The battery pack tray comprises a frame body, wherein at least two placing positions which are sequentially arranged at an interval in a horizontal direction, and a locking cooperating structure are formed on the frame body; the locking cooperating structure is arranged between at least one pair of adjacent placing positions; the locking cooperating structure comprises a locking shaft, and a first connecting plate and a second connecting plate which extend in the lengthwise direction of a longitudinal beam of a vehicle body; and two ends of the locking shaft are respectively connected to the first connecting plate and the second connecting plate, and are used for cooperating with a locking mechanism to realize locking.

Abstract: A system for testing fatigue performance of material in low-temperature liquid hydrogen environment, which relates to the technical field of mechanical property test platforms, includes a jacket cover. A hydrogen sensor is provided at the top of and within the jacket cover; a rack, a liquid hydrogen tank and a liquid nitrogen tank are provided in the jacket cover; a loading mechanism and a liquid hydrogen containing mechanism are provided on the rack, the loading mechanism is connected to the rack, and the bottom of the loading mechanism extends into the liquid hydrogen containing mechanism; the liquid hydrogen tank and the liquid nitrogen tank both communicate with the liquid hydrogen containing mechanism; and the loading mechanism is configured for providing tension or pressure to a sample. The liquid hydrogen containing mechanism is provided with a cooling channel located around a sealing gasket, the cooling channel communicates with a thermostat.

Abstract: The invention discloses an electric vehicle, and the electric vehicle comprises vehicle beams and a battery unit, and the battery unit comprises a plurality of battery packs arranged side by side along a width direction of the vehicle beams; and a locking unit is arranged on the vehicle beams, and a connecting unit is arranged between the two adjacent battery packs corresponding to the vehicle beams, and the connecting unit is matched with the locking unit to lock and connect the battery unit to the vehicle beams. In this invention, the battery unit is provided with a plurality of battery packs, which is capable for supplying power to a heavy electric vehicle. The connection between the battery unit and the vehicle beams can also be located in the space between the battery packs to improve the connection stability.

Abstract: A rotary tillage, sowing, ditching and pressing compound operation machine includes a fertilization and sowing device, an intermediate rotary tillage and ditching device, a frame, a liftable ditcher, and a multi-stage press wheel device. The multi-stage press wheel device includes a front press wheel and a rear press wheel. The front press wheel includes a front press roller shaft, front press rollers, and connecting rods. The rear press wheel includes a connecting plate, a rear press roller shaft, and a rear press roller. A first end of the connecting plate is connected to the rear press roller shaft by a support, and the connecting plate is connected to the frame in a manner of a sliding pair. The rear press roller is mounted on the rear press roller shaft in a manner of a revolving pair, and the rear press roller is located behind the liftable ditcher.

Abstract: A caliper cover assembly and a production method thereof are provided. The caliper cover assembly includes a first bracket, a second bracket, and buckles; the first bracket and the second bracket are respectively integrally formed with the caliper cover body; the first bracket and the second bracket are symmetrically disposed, and are respectively provided with an installation hole; the buckles are provided in two; the two buckles are symmetrically and separately disposed on the first bracket and the second bracket, and fixedly connected with the first bracket or the second bracket through bolts passing through the installation holes respectively. Therefore, effects of a stable structure, a thermal conductivity, a convenient installation and a safety in use are achieved.

Abstract: Disclosed in the present invention are a battery pack for an electric vehicle, and an electric vehicle comprising the battery pack. The battery pack for an electric vehicle is mounted on a vehicle body longitudinal beam of the electric vehicle, and comprises: a box body comprising at least two box body units, battery modules for externally charging and discharging being arranged in the box body units; and locking shafts provided horizontally, arranged on the upper part between two adjacent box body units, and corresponding to the position of a locking mechanism on the longitudinal beam. As for an electric vehicle, the center of gravity can be reduced, the driving stability is improved, and the height space below the vehicle can be fully utilized, so that a battery swapping device can conduct battery swapping easily, the station building cost, time and difficulty of a battery swapping station are reduced.

Abstract: The present application discloses a top hanging type battery pack and an electric vehicle. The top hanging type battery pack is detachably connected to locking mechanisms on longitudinal beams of an electric vehicle. The top hanging type battery pack comprises a battery pack case and lock connecting structures. When the top hanging type battery pack is installed on an electric vehicle, the center of gravity of the battery pack is low and located below the longitudinal beams, thereby lowering the center of gravity of the whole electric vehicle and improving the driving stability of the electric truck; moreover, the battery pack does not occupy the space behind the driver, and thus, the driving experience can be improved, or the electric vehicle can provide more space to carry more goods.

Abstract: An apparatus includes a strength member including a core formed of a composite material, and an encapsulation layer disposed around the core. A conductor layer is disposed around the strength member. A coating is disposed on the conductor layer. The coating is formulated to have a solar absorptivity of less than 0.5 at a wavelength of less than 2.5 microns, and a radiative emissivity of greater than 0.5 at a wavelength in a range of 2.5 microns to 15 microns, at an operating temperature in a range of 60 degrees Celsius to 250 degrees Celsius. The coating may have an erosion resistance that is at least 5% greater than an erosion resistance of aluminum or aluminum alloys.

Abstract: An embodiment of this application provides a method and apparatus for testing control software, and a computer-readable storage medium to reduce the time consumed in the simulation-based debugging and enhance efficiency. The method may include obtaining test information of a plurality of fault signals; and injecting, based on the test information of the plurality of fault signals, the plurality of fault signals into a simulation environment in sequence to obtain test results of the plurality of fault signals handled by the control software, where the simulation environment may be a simulation environment of a control object of the control software.

Abstract: An adjustment apparatus is provided, which includes a drive unit; a plurality of adjustment rods correspondingly connected to a plurality of loads, the plurality of adjustment rods are classified into a first adjustment rod group and a second adjustment rod group; a selection unit, wherein the drive unit is configured to drive the selection unit to be connected to at least one adjustment rod in the first adjustment rod group or at least one adjustment rod in the second adjustment rod group; a shift unit, wherein the shift unit is configured to enable the selection unit to be switched between the first adjustment rod group and the second adjustment rod group; and an adjustment unit, wherein the drive unit is configured to drive the adjustment unit to drive the adjustment rod connected to the selection unit to move.

Abstract: The present disclosure relates to display apparatuses and methods for manufacturing the display apparatuses. One example display apparatus includes an array substrate and a laminated structure. The array substrate includes a substrate and an array layer located on a side of the substrate. The laminated structure is located on a side that is of the array layer and that is opposite to the substrate, and includes a first film layer and a second film layer. The first film layer is located on a side that is of the second film layer and that is opposite to the substrate, and is formed by a high modulus material. An elastic modulus of the high modulus material is E1, and 50 Mpa?E1?5 Gpa. The second film layer is formed by a modified energy absorption impact resistance material has viscosity and shear thickening behavior.

Abstract: An antenna system and a base station antenna feeder system are provided. The antenna system includes a first frequency band radiation element array, a frequency selective surface, a second frequency band radiation element, and a phase shifter. The frequency selective surface is configured to reflect a signal of the first frequency band radiation element array and to transmit a signal of the second frequency band radiation element array. The phase shifter is connected to the first frequency band radiation element array and is configured to feed the first frequency band radiation element array. The phase shifter includes a cavity which is disposed at an edge of the frequency selective surface, a first extension direction of the cavity being consistent with a second extension direction of the first frequency band radiation element array.

Abstract: The present invention relates to the fields of medicinal chemistry and pharmaco therapeutics, and specifically to a method for preparing a compound of formula I and a chemically acceptable salt thereof.

Abstract: In its many embodiments, the present invention provides certain 9-substituted amino triazolo quinazoline compounds of the structural Formula (I): and pharmaceutically acceptable salts thereof, wherein, ring A, R1 and R2 are as defined herein, pharmaceutical compositions comprising one or more such compounds (alone and in combination with one or more other therapeutically active agents), and methods for their preparation and use, alone and in combination with other therapeutic agents, as antagonists of A2a and/or A2b receptors, and in the treatment of a variety of diseases, conditions, or disorders that are mediated, at least in part, by the adenosine A2a receptor and/or the adenosine A2b receptor.

Abstract: This application discloses an antenna, an antenna array, and a communications device. The antenna includes a radiation part and a feeding part. The feeding part is coupled to the radiation part and is configured to feed power to the radiation part, so that the radiation part radiates a low-frequency signal outward. The radiation part includes one or more frequency selection units with a bandpass characteristic, and the radiation part is a structure that is capable of exciting, when a high-frequency signal passes through, coupling currents. When the high-frequency signal passes through the radiation part, each pair of coupling currents excited on the radiation part appear in pairs and can cancel each other. This can reduce or even completely eliminate a high-frequency induced current with the same frequency as the high-frequency signal on the radiation part.

Abstract: Various embodiments include implementing optical image stabilization (OIS) in a camera module. For example, a controller may control an actuator of the camera module to move a lens group and/or an image sensor of the camera module to provide OIS movement. In various embodiments, OIS movement control is implemented according to a region-based blur reduction model that effects a greater reduction in blur associated with a target region of an image sensor, relative to one or more other regions of the image sensor.

Abstract: A locking device includes a lock base configured to provide a locking position, and including a lock body having a surface provided with a lock groove recessed towards the inside of the lock body, the lock body being provided with a lock tongue groove and a lock tongue movably mounted in the lock tongue groove that is communicated with the lock groove; and a lock connecting rod movably connected with the lock base through the lock tongue, and including a rod member configured to drive the lock tongue to move under the action of an external force, the rod member being provided with an unlocking block on a side facing the lock base, and the unlocking block being configured as an arc protrusion formed outwardly by the rod member.

Abstract: Provided is a rotary tillage, sowing, ditching and pressing compound operation machine, including a fertilization and sowing device (2), an intermediate rotary tillage and ditching device (4), a frame (1), a liftable ditcher (3), and a multi-stage press wheel device (5). The multi-stage press wheel device (5) includes a front press wheel (51) and a rear press wheel (52). The front press wheel (51) includes a front press roller shaft (511), front press rollers (512), and connecting rods (514). The rear press wheel (52) includes a connecting plate (521), a rear press roller shaft (523), and a rear press roller (524). A first end of the connecting plate (521) is connected to the rear press roller shaft (523) by a support, and the connecting plate (521) is connected to the frame (1) in a manner of a sliding pair. The rear press roller (524) is mounted on the rear press roller shaft (523) in a manner of a revolving pair, and the rear press roller (524) is located behind the liftable ditcher (3).