Abstract: An unmanned aerial vehicle (UAV) including a fuselage body having a cavity that forms a cargo bay for transporting a payload, and a lower access opening for lowering the payload from the cargo bay, the lower access opening including a cargo bay door; a winch system positioned in the cargo bay configured to suspend a payload within the cargo bay; and a cargo bay door monitor which is configured to detect when the payload is applying a weight to the cargo bay door.

Abstract: A series formation system includes a power module and at least two formation modules electrically connected to the power module in series. The at least two formation modules are connected in series. The power module is configured to supply power to the formation modules. Each of the formation modules includes a battery cell and a formation control circuit connected between the power module and the battery cell. The formation control circuit is configured to control the each of the formation modules to work in one of: a constant current charging mode in which a current flowing through the battery cell is substantially constant, and a constant voltage charging mode in which a voltage across the battery cell is substantially constant.

Abstract: A method for discovering and connecting to an electronic device includes a first electronic device broadcasting a packet in a first time period by using a first communication technology; broadcasting a packet in a second time period by using a second communication technology, where the first time period overlaps with the second time period; receiving response information from a second electronic device; and establishing a communication connection to the second electronic device based on a communication technology capability supported by the second electronic device.

Abstract: Wireless communication systems and methods are provided for receiving user inputs as request to change the state of a wireless communication link between first and second wireless devices. A device, according to one implementation, includes a casing and an internal sensor arranged within the casing. The internal sensor is configured to electrically receive user input that is unrelated to manipulation of user-actuated mechanical components moveable with respect to the casing. The device further includes a decoding device configured to decode the user input as a request to change the state of a wireless communication link with a secondary device.

Abstract: Disclosed are a control method and apparatus for a head-mounted device, and a head-mounted device, as well as an image rendering method and apparatus, and an electronic device. The control method comprises: sending a rendering request containing posture data to a cloud server, and receiving a first rendered image, wherein the first rendered image is an image obtained by rendering in the cloud server based on the posture data; obtaining real posture change data from a first target time to a second target time, wherein the first target time is a time when the rendering request is sent, and the second target time is a time when the first rendered image is received; and performing rendering compensation on the first rendered image based on the posture change data to obtain a second rendered image.

Abstract: A unmanned aerial vehicle (UAV) includes a fuselage including a top, a bottom, a cavity that forms a cargo bay between the top and the bottom, and a lower access opening in the bottom for lowering a payload from the cargo bay. A movable stage is coupled to the fuselage and adjustable between an upper position in which the stage is above the cargo bay and a lower position in which the stage is at the bottom of the fuselage, the stage including an opening extending through the stage. The UAV also includes a winch disposed in the fuselage and a tether coupled to the winch. The winch is configured to be secured to the payload and is movable through the opening in the stage so as to raise or lower the payload.

Abstract: A convenient pet brush for hair removal includes a handle, a housing, and a brush assembly. The housing is arranged at a lower end of the handle. The brush assembly is arranged inside the housing. A bayonet shrinking inward is provided on a first side of the housing. A front fixing ring is arranged on an inner side of the bayonet. A rear fixing ring is arranged on a second side of the housing. The brush assembly is mounted inside the housing through the front fixing ring and the rear fixing ring. The brush assembly includes a comb head, a push plate, and a spring. The comb head is fixedly mounted in the front fixing ring. The push plate is slidably mounted between the front fixing ring and the comb head. A hair pushing ring is provided at a first end of the push plate.

Abstract: A neutron capture therapy system, including an accelerator for generating a charged particle beam, a transmission device for transmitting the charged particle beam, a neutron generation part for generating a neutron beam by reacting with the charged particle beam, a beam shaping body for performing spectrum adjustment on the neutron beam, and a guidance device. The transmission device at least includes a first transmission part and a second transmission part which is detachably connected to the first transmission part, the first transmission part includes a first position L1 and a second position L2, and the guidance device guides the first transmission part and the neutron generation part to move from the first position L1 which the neutron generation part is accommodated in the beam shaping body to the second position L2 which the neutron generation part is separated from the beam shaping body.

Abstract: An artificial heart valve prosthesis includes a stent comprising at least two commissures spaced circumferentially around the stent, the commissure provided with a first window and a second window, which are arranged along an axial direction of the stent, the first window located closer to an outflow end of the stent; and at least two leaflets arranged circumferentially around the stent, each of the leaflets including a main segment and flaps arranged on opposite circumferential sides of the main segment, the main segment disposed on an inner side of the stent, the flap passed through the second window and covering at least a part of an outer surface of the commissure, the flap sutured at the first window and the second window.

Abstract: A unmanned aerial vehicle (UAV) includes a fuselage body including a cavity that forms a cargo bay for transporting a payload, an upper access opening for receiving the payload into the cargo bay from a first direction, and a lower access opening for lowering the payload from the cargo bay. The UAV also includes an upper door associated with the upper access opening that is movable between a closed position in which the upper access opening is obstructed and an open position providing a path for the payload into the cargo bay. The upper door includes a winch configured to unwind or retract a tether secured to the payload.

Abstract: Methods and systems of a log engine for logging data operation in a file system is disclosed. The log engine includes a user interface module configured to receive a plurality of data operation logs that respectively record a data operation and a sequence ID corresponding to an order of the data operation being performed; and a shared log manager configured to provide an in queue configured to consolidate the plurality of data operation logs, and swap the plurality of data operation logs to an out queue with the plurality of data operation logs being ordered based on the sequence ID and saved in a shared log.

Abstract: The present disclosure relates to an aerosol generating device and an atomizer. The atomizer includes an atomizing housing and an atomizing base. The lower end of the atomizing housing is connected to the upper end of the atomizing base. A communicating hole is provided at the bottom of the atomizing housing to allow an atomizing chamber in the atomizing housing to communicate with the inner cavity of the atomizing base. A partition plate is provided within the inner cavity of the atomizing base and divides the inner cavity of the atomizing base into a liquid storage cavity and a ventilation cavity. An opening is provided at the upper end of the partition plate. The opening is used for communicating the liquid storage cavity with the ventilation cavity. The liquid storage cavity is located directly below the communicating hole. The ventilation cavity is located away from the underside of the communicating hole. At least one ventilation hole is provided on the bottom wall of the atomizing base.

Abstract: The present invention provides a method for improving plant genetic transformation and gene editing efficiency. Specifically, the method improves the regeneration efficiency of plant genetic transformation and/or improves the efficiency of plant gene editing by expressing genes that promote plant cell division, especially meristematic cell division.

Abstract: The display substrate includes: a display area and a bezel area, the display area including a first display area and a second display area; first light emitting devices in the first display area and second light emitting devices in the second display area; first pixel drive circuits in the bezel area and second pixel drive circuits in the second display area, the first pixel drive circuits are connected to the first light emitting devices, and the second pixel drive circuits are connected to the second light emitting devices; and data lines in the second display area, each data line being connected to the first pixel drive circuits and the second pixel drive circuits which are respectively electrically connected to a column of first light emitting devices and a column of second light emitting devices, which are in the same column.

Abstract: A transparent resistive pressure sensor and method of making the same are disclosed. The transparent resistive pressure sensor may include a flexible pressure substrate, a pressure electrode layer, an elastic dielectric spacer with microstructure, a transparent pressure-sensitive composite layer composed of a transparent polymer dielectric matrix and a conductive one-dimensional nanomaterial oriented substantially in a thickness direction of the transparent pressure-sensitive composite layer, a support electrode layer, and a support substrate, where the elastic dielectric spacer with microstructure may include a transparent elastic dielectric film and a plurality of size-varied straight holes penetrating through the transparent elastic dielectric film in a thickness direction of the transparent elastic dielectric film.

Abstract: The disclosure discloses an image processing method, an image processing device and a computer readable storage medium. The image processing method comprises: performing a first rendering process on a left eye image and a right eye image during a first time period; performing a second rendering process on the left eye image obtained by the first rendering process during a second time period; performing a second rendering process on the right eye image obtained by the first rendering process during a third time period; performing an asynchronous time warping on the left eye image by the second rendering process during a fourth time period; performing the asynchronous time warping on the right eye image by the second rendering process during a fifth time period. The disclosure can reduce time delay during the rendering process and thereby reducing the user's dizzy feeling.

Abstract: Managing source code change set commits to decrease time to identify software bugs in versions of a software project is provided. An initial order of relevant commits corresponding to the software project is determined in a priority queue based on a weight of each respective commit of the relevant commits. The initial order of the relevant commits is adjusted in the priority queue based on a build distance between the relevant commits of affected source files. A particular commit having a highest priority ranking is selected in the priority queue for build and test. The build and the test of the particular commit having the highest priority ranking in the priority queue is executed.

Abstract: A method includes causing an aerial vehicle to deploy a tethered component to a particular distance beneath the aerial vehicle by releasing a tether connecting the tethered component to the aerial vehicle. The method also includes obtaining, from a camera connected to the aerial vehicle, image data that represents the tethered component while the tethered component is deployed to the particular distance beneath the aerial vehicle. The method additionally includes determining, based on the image data, a position of the tethered component within the image data. The method further includes determining, based on the position of the tethered component within the image data, a wind vector that represents a wind condition present in an environment of the aerial vehicle. The method yet further includes causing the aerial vehicle to perform an operation based on the wind vector.

Abstract: A culture dish combination for embryo thawing and embryo transfer is provided. The culture dish combination includes a first culture dish and a second culture dish, the first culture dish includes a first dish cavity for thawing and laser-assisted hatching of frozen embryos, and an opening of the first dish cavity is upward. The second culture dish is detachably connected to the first culture dish, and the second culture dish includes a second dish cavity for balancing culture medium before the embryo transfer; the second culture dish further includes a third dish cavity surrounding the second dish cavity, and openings of the second dish cavity and the third dish cavity are upward. The culture dish combination solves problems of complex operations of thawing the frozen embryo, laser-assisted hatching and the embryo transfer, which increases the accuracy of the operation of embryo thawing and improves the stability of the incubator environment.

Abstract: A gas-liquid spray dust settlement system for a fully mechanized mining face includes an atomization humidification subsystem, a boundary mist curtain subsystem, and a dust mist recycling subsystem that are all arranged outside the fully mechanized mining face, where the boundary mist curtain subsystem includes high-pressure blade nozzles mounted to hydraulic supports. The atomization humidification subsystem includes a spray dust settler mounted to a rocker arm of a coal cutter and configured to spray water mist completely covering the high-pressure blade nozzle. The dust mist recycling subsystem includes a wind-water linkage dust remover mounted to a semi-encircling support base, arranged under the spray dust settler, and configured to collect the water mist sprayed by the spray dust settler.