Abstract: The disclosed technology includes an internal support structure for providing structural stability to an inflated airbed. The internal support structure may include an internal support wall connected to side panels by one or more side support beams. The internal support structure may further include corner support walls and a plurality of internal support beams to provide additional support.

Abstract: Disclosed are a polyethylene glycol conjugate drug, and a preparation method therefor and the use thereof. Specifically, the present invention relates to a polyethylene glycol conjugate drug represented by formula A or a pharmaceutically acceptable salt thereof, a method for preparing the polyethylene glycol conjugate drug or the pharmaceutically acceptable salt thereof, an intermediate for preparing the polyethylene glycol conjugate drug or the pharmaceutically acceptable salt thereof, a pharmaceutical composition comprising the polyethylene glycol conjugate drug or the pharmaceutically acceptable salt thereof, and the use of the polyethylene glycol conjugate drug or the pharmaceutically acceptable salt thereof in the preparation of a drug.

Abstract: A thermal management system includes a heat pump, a battery waterway, a heat exchange waterway, a heat dissipator waterway, an electric assembly waterway, a first heat exchanger, and a control valve group. A first heat exchange path of the first heat exchanger is connected to the heat pump, and a second heat exchange path of the first heat exchanger is connected to the heat exchange waterway. The electric assembly waterway may be connected to the heat dissipator waterway or the heat exchange waterway in series. The battery waterway may be connected to the heat dissipator waterway or the heat exchange waterway in series. The battery waterway, the heat exchange waterway, the heat dissipator waterway, and the electric assembly waterway may be connected in series.

Abstract: A controlling method and apparatus of a cleaning robot, a cleaning method and apparatus, a system, and a storage medium are provided. The method includes: controlling the cleaning robot to mop a preset cleaning region through a mopping member; obtaining a first dirtiness degree corresponding to the preset cleaning region; determining that the preset cleaning region includes a target region according to the first dirtiness degree, the target region being a region that needs to be repeatedly mopped; and controlling the cleaning robot to mop at least part of the target region through the mopping member after mopping of the preset cleaning region has been completed and after maintenance of the mopping member.

Abstract: Aspects of the present disclosure generally relate to a swimming pool having an internal lighting system. Certain embodiments may include an inflatable swimming pool including a wall and a base. The wall may include one or more inflatable chambers. One or more lighting elements may be interior to one or more of the inflatable chambers. The one or more lighting elements may be able to emit a plurality of colors. A color and/or intensity of the lighting elements may be controlled in accordance with a control command.

Abstract: The present invention relates to a method for preparing pregabalin by a biological enzyme method. In particular, the method comprises producing pregabalin B and an R-configuration compound C by using a compound A as a raw material under the action of a biological enzyme; performing configuration inversion of the separated and recovered R-configuration compound C under the action of an isomerase to produce an S-configuration compound D; and producing pregabalin B from the compound D under the action of a biological enzyme.

Abstract: The disclosure provides an optical waveguide assembly. The optical waveguide assembly includes: optical waveguide plates, where there are a plurality of optical waveguide plates, the plurality of optical waveguide plates are provided in an overlaid manner, each optical waveguide plate is provided with an in-coupling structure, a turning structure, an out-coupling structure and a diffraction inhibition layer, the turning structure and the out-coupling structure on the same optical waveguide plate are located on two side surfaces of the optical waveguide plate respectively, projections of the turning structure and the out-coupling structure on the optical waveguide plate are at least partially overlapped, and the diffraction inhibition layer is located between the out-coupling structure and the optical waveguide plate. Each turning structure includes a plurality of cellular elements. The disclosure solves a problem of non-uniform display efficiency of an optical waveguide assembly in the related art.

Abstract: Example lighting systems may include a group charging station and a lighting device. Example group charging stations may include a plurality of power devices operable to power the lighting device, the plurality of power devices comprising a first power device and a second power device, the first power device comprising a first plurality of electrical contacts, the second power device comprising a second plurality of electrical contacts, and a group charging platform operable to concurrently charge the plurality of power devices.

Abstract: The disclosed technology includes an internal support structure for providing structural stability to an inflated airbed. The internal support structure may include an internal support wall connected to side panels by one or more side support beams. The internal support structure may further include corner support walls and a plurality of internal support beams to provide additional support.

Abstract: Aspects of the present disclosure generally relate to a swimming pool having an internal lighting system. Certain embodiments may include an inflatable swimming pool including a wall and a base. The wall may include one or more inflatable chambers. One or more lighting elements may be interior to one or more of the inflatable chambers. The one or more lighting elements may be able to emit a plurality of colors. A color and/or intensity of the lighting elements may be controlled in accordance with a control command.

Abstract: Aspects of the disclosed technology include a lighted inflatable pool including: a wall including a first inflatable chamber; a base; at least one lighting element disposed within the wall, the at least one lighting element being configured to emit light; and a receiver connected to the at least one lighting element, the receiver being configured to receive a command for controlling the lighting element and to control the at least one lighting element in correspondence with the command.

Abstract: An automatic vending method and apparatus, and a computer-readable storage medium, relating to the field of automatic vending machines. The method includes: obtaining an image from a photographed video stream of commodities in an automatic vending machine; positioning an image of a commodity picked up by a user from the image; obtaining a change value of load weight of a shelf where the commodity is picked up by the user; determining a possible combination of commodities corresponding to the change value of load weight according to a weight of each commodity in the automatic vending machine; recognizing information of the commodity corresponding to the image of the commodity picked up by the user according to a pre-established commodity feature library and in conjunction with the possible combination of commodities; and performing settlement automatically for the user according to the recognized information of the commodity.

Abstract: Disclosed is a linear vibration motor including a housing, a vibrator assembly, and a driving assembly. The housing is provided with a circuit board. The vibration assembly is disposed in the housing. A through hole is defined in the vibration assembly along the thickness of the housing. The driving assembly is disposed in the through hole and fixedly connected to the housing. The driving assembly includes an iron core and a coil. The iron core includes an intermediate shaft extending along the length of the housing and two end blocks disposed at two ends of the intermediate shaft. The cross-sectional area of the intermediate shaft is smaller than the cross-sectional area of each of the two end blocks. The coil is sleeved on the intermediate shaft and connected to the circuit board.

Abstract: The disclosed systems and methods relate to electric lighting systems and charging and connection mechanisms thereof. In one example, an electric lighting system comprises a charger configured for electrical communication with a power source. The electric lighting system further comprises an electric light source removably couplable to, and configured for electrical communication with, the charger, the electric light source comprising a lighting element. The electric lighting system further comprises a light source holder removably couplable to the electric light source, wherein, when the electric light source is removably coupled to the light source holder, the electric light source and the light source holder share a central axis.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for video buffering are provided. One of methods includes: determining a buffered video interval in a video according to a video play position and a video buffered position of the video; determining a to-be-buffered target video interval in the video based on the buffered video interval; performing fragmentation on a video part that is not buffered, not fragmented, and in the to-be-buffered target video interval, to obtain at least one fragment; and buffering each of the at least one fragment.

Abstract: An automatic vending method and apparatus, and a computer-readable storage medium, relating to the field of automatic vending machines. The method includes: obtaining an image from a photographed video stream of commodities in an automatic vending machine; positioning an image of a commodity picked up by a user from the image; obtaining a change value of load weight of a shelf where the commodity is picked up by the user; determining a possible combination of commodities corresponding to the change value of load weight according to a weight of each commodity in the automatic vending machine; recognizing information of the commodity corresponding to the image of the commodity picked up by the user according to a pre-established commodity feature library and in conjunction with the possible combination of commodities; and performing settlement automatically for the user according to the recognized information of the commodity.

Abstract: Example lighting systems may include a group charging station and a lighting device. Example group charging stations may include a plurality of power devices operable to power the lighting device, the plurality of power devices comprising a first power device and a second power device, the first power device comprising a first plurality of electrical contacts, the second power device comprising a second plurality of electrical contacts, and a group charging platform operable to concurrently charge the plurality of power devices.