Abstract: A rotating device and an electronic equipment accessory are provided. The rotating device includes a first connecting member and a second connecting member rotatable about a rotation axis relative to the first connecting member. An angle formed between the rotation axis and a length direction of the rotating device is acute such that the second connecting member can move upwards when rotating with respect to the first connecting member. Therefore, when the rotating device is applied to an electronic equipment accessory which is mounted on electronic equipment, the rotating device acting as a stand can be arranged between a magnetic charging structure of electronic equipment and a bottom edge of the electronic equipment, such that the rotating device will not shield the magnetic charging structure. The rotating device can act as a stand with a good support effect due to existing of the acute angle.

Abstract: Embodiments of this application disclose a method and apparatus for training an image region segmentation model, and an image region segmentation method and apparatus. The method includes acquiring a sample image set, and each image of the sample image set having first annotation information; generating graph structure data corresponding to a sample image in the sample image set, the graph structure data comprising multiple nodes, and each node comprising at least one pixel in the sample image; determining second annotation information of each node according to the graph structure data and the first annotation information corresponding to the sample image by using a graph convolutional network model, a granularity of the second annotation information being smaller than a granularity of the first annotation information, the graph convolutional network model being a part of an image segmentation model; and training the image segmentation model according to the second annotation information.

Abstract: Provided are a fluorene-containing triarylamine compound and an organic electroluminescent device thereof, which relate to the technical field of organic electroluminescent materials. The fluorene-containing triarylamine compound has a good hole transporting ability, a proper HOMO energy level, and good film formability and stability. When used in the organic electroluminescent device as a hole transporting material, the fluorene-containing triarylamine compound can balance electrons and holes in the device, improve recombination efficiency of electrons and holes in a light-emitting layer, effectively reduce a drive voltage of the device, improve luminescence efficiency of the device, and prolong a service life of the device and can be applied to fields such as display, lighting, and organic solar cells.

Abstract: Provided are a class of compounds which have a structure as shown in the following general formula (I) and are used as somatostatin receptor subtype 5 (SSTR5) antagonists, and a pharmaceutical composition and the use thereof. The compounds have good SSTR5 antagonistic activities, and can be used for preparing drugs for treating related diseases mediated by SSTR5.

Abstract: The disclosed technology can include three dimensional (3D) beamforming for joint phase-time arrays (JTPAs). In some embodiments, a method for operating a BS is provided. The method includes receiving information from a plurality of user equipment (UEs) and identifying, based on the received information, azimuth and elevation information associated with the UEs. The method further includes determining at least two UEs of the plurality of UEs to serve based at least in part on the azimuth and elevation information of the at least two UEs, respectively, determining bandwidth allocations for the at least two UEs, respectively, and determining joint-phase-time array (JPTA) beams for the at least two UEs, respectively, based on the bandwidth allocations and the azimuth and elevation information of the at least two UEs, respectively. The method further includes transmitting information on the JPTA beams to the at least two UEs, respectively.

Abstract: This disclosure discloses a microscope system, a smart medical device, an automatic focusing method, and a storage medium. The smart medical device includes an objective lens, a beam splitter, an image projector assembly, a camera assembly, and a focusing device. The objective lens includes a first end and a second end, and the first end faces a to-be-observed sample. The beam splitter is disposed on the second end. The image projector assembly is in communication with the beam splitter, the image projector assembly includes a first lens and an image projection device, and light generated by the image projector assembly enters the beam splitter through the first lens. The camera assembly includes a camera. The focusing device is disposed on the camera assembly, and the focusing device is configured to perform focus adjustment on the camera.

Abstract: Methods and apparatuses for frequency selective beam management. A method performed by a user equipment (UE) includes receiving first information related to a plurality of frequency subbands and receiving, in a first part of a downlink control information (DCI), at least one first transmission configuration indication (TCI) state and second information related to a second part of the DCI. The method further includes determining, based on the first information, a first association between the plurality of frequency subbands and the at least one first TCI state; for a first frequency subband from the plurality of frequency subbands, determining a first TCI state based on the first association; and identifying, based on the determined first TCI state, a spatial domain filter for transmitting or receiving UE-dedicated channels or signals for the first frequency subband.

Abstract: An electronic equipment accessory includes an accessory body and a holder assembly connected to the accessory body. The holder assembly includes a support member and a base. The base is rotatably connected to the accessory body. The support member is rotatable relative to the base between an extended position and a folded position. At the extended position, an included angle is formed between the support member and the base to thereby allow the accessory body to be supported on a support surface. The support member is rotatable relative to the base in one direction and the base is rotatable relative to the accessory body in another direction, thus the support member of the electronic equipment accessory can be adjusted with respect to the accessory body in multiple directions to thereby allow the electronic equipment accessory to support electronic equipment on a support surface at multiple different directions or tilted angles.

Abstract: Apparatuses and methods for enhancing SSB coverage. A method performed by a base station includes transmitting, in a synchronization signal block (SSB) burst, a first SSB signal and one or more repetitions of the first SSB signal. The first SSB signal and the one or more repetitions of the first SSB signal are distinguished based on an indicative signal.

Abstract: An apparatus includes a first, second, and third substrates. The first substrate includes a first antenna element supporting a first frequency band and a second frequency band higher than the first frequency band. The first substrate includes a first dielectric material having a first dielectric constant. The second substrate includes a second antenna element supporting the first frequency band and the second frequency band. The second substrate includes the first dielectric material. The third substrate is disposed between the first substrate and the second substrate and includes a third antenna element supporting the second frequency band. The third substrate includes a second dielectric material having a second dielectric constant lower than a first dielectric constant. The first and second antenna elements form a first beam in the first frequency band. The first, second, and third antenna elements form a second beam in the second frequency band.

Abstract: A method includes determining a beam measurement periodicity for beam reporting by a user equipment (UE) for use in beam tracking. The method also includes performing beam tracking according to the beam measurement periodicity. The method also includes adaptively increasing or decreasing the beam measurement periodicity based on information related to at least one of a UE measurement report, a current network state, a UE state, or a previously observed network behavior. The method also includes performing additional beam tracking according to the adaptively increased or decreased beam measurement periodicity.

Abstract: A model training method and a related apparatus are provided, which may be used in computer vision to perform image detection. The method includes: extracting feature information in a target image; further separately extracting features of a target object from the feature information by using a Gaussian mask to obtain a first local feature and a second local feature; determining a feature loss by using the first local feature and the second local feature; performing prediction by using the first network and the second network based on a same region proposal set to obtain a first classification predicted value and a second classification predicted value, and obtaining a classification loss based on the first classification predicted value and the second classification predicted value; and training the second network based on the classification loss and the feature loss to obtain a target network.

Abstract: An embedded package structure, a preparation method therefor and a terminal are described. The embedded package structure includes a first dielectric layer. The first dielectric layer includes a first surface and a second surface. The embedded package structure includes a first device embedded in the first dielectric layer. A thermal conductive layer is attached to a surface of the first device that is exposed on the first surface of the first dielectric layer. A first circuit layer is connected to a surface of the first device that is exposed on the second surface. A second dielectric layer and a third dielectric layer are symmetrically disposed on two sides of the first dielectric layer.

Abstract: The present invention discloses an antimicrobial nonwoven cloth, whose raw materials comprising the following components in weight ratio: 75˜100 parts of polypropylene, 10˜25 parts of sodium p-styrenesulfonate, 10˜20 parts of silane coupling agent, 0.15˜1 part of polyhexamethylene biguanidine hydrochloride (PHMB), 0.05˜0.4 part of zinc salt, 1˜5 parts of bamboo charcoal fiber, and 0.01˜0.1 part of nano˜meter fumed silica. Further, a method of preparing the antimicrobial nonwoven cloth and a mask with antimicrobial nonwoven cloth are disclosed, to prevent bacteria from spreading through the air and saliva.

Abstract: A hatch stop for a wind turbine having an enclosure with a hatch, including a first prong arranged between an external surface of the hatch and an external surface of the enclosure.

Abstract: A hatch stop for a wind turbine having an enclosure with a hatch, including a first prong arranged between an external surface of the hatch and an external surface of the enclosure.

Abstract: A high-temperature shutdown protecting relay comprises a base; a L copper pin and a N copper pin are provided on the base with resting contacts provided at their bottoms respectively; stretchy copper blades are provided on the base, which are fit to the L copper pin and the N copper pin respectively, with movable contacts provided thereon, which are fit to said resting contacts; a stand is provided on the base and above the stretchy copper blades; grooves are provided on the lower side of the stand with ceramic rods for insulating the stand from the stretchy copper blades embedded therein. The high-temperature shutdown protecting relay provided by the present utility model can keep normal operating property under high temperature.

Abstract: A high-temperature shutdown protecting relay comprises a base; a L copper pin and a N copper pin are provided on the base with resting contacts provided at their bottoms respectively; stretchy copper blades are provided on the base, which are fit to the L copper pin and the N copper pin respectively, with movable contacts provided thereon, which are fit to said resting contacts; a stand is provided on the base and above the stretchy copper blades; grooves are provided on the lower side of the stand with ceramic rods for insulating the stand from the stretchy copper blades embedded therein. The high-temperature shutdown protecting relay provided by the present utility model can keep normal operating property under high temperature.