Abstract: The present invention relates to the field of unmanned aerial vehicle safety protection technologies, and in particular, to an unmanned aerial vehicle safety protection method and apparatus and an unmanned aerial vehicle. The method includes: obtaining ultrasonic information and a flight status of an unmanned aerial vehicle, where the flight status includes a normal flight state and a descending state; and performing safety protection on the unmanned aerial vehicle according to the ultrasonic information and the flight status. The implementation can reduce an occurrence probability that an unmanned aerial vehicle crashes at a high altitude when ultrasound encounters abnormalities to get out of control at the high altitude and fail to descend, rise, move to the left or move to the right and land without slowing down to violently hit the ground, so that the safety of the unmanned aerial vehicle is enhanced, and user experience is improved.

Abstract: The present invention relates to the technical field of catalyst preparation, disclosing a preparation method and application of a coated vanadium-tungsten-titanium oxide monolithic SCR catalyst. The method includes the steps of mixing a vanadium oxide precursor, a tungsten oxide precursor, titanium dioxide, an inorganic adhesive, an organic adhesive and a macromolecular surfactant with deionized water and stirring them to obtain a thick liquid; adding a pH adjuster to the thick liquid to make its pH 1.5-4.5; impregnating a cordierite honeycomb carrier in the thick liquid to obtain a preliminarily-impregnated catalyst and dried and calcined the preliminarily-impregnated catalyst to obtain a finished catalyst. The method has advantages such as simple operation, easy repetition and short time-consuming, so it can be applied to exhaust gas post-treatment of a marine diesel engine, and provide a good choice for catalysts used to denitrify medium and high temperature exhausted gas from marine engines.

Abstract: Disclosed are a distributed quantum imaging method, apparatus and system, and a computer-readable storage medium. The distributed quantum imaging system comprises a plurality of laser devices that are placed at different spatial positions, a plurality of spatial light modulators, a detector and an imaging processor, wherein each laser device uniquely corresponds to one spatial light modulator.

Abstract: A computer-implemented method is provided. The method includes obtaining a first value of a first color setting of an operating system; obtaining a second value of a second color setting of an application on the operating system; and resetting the second color setting of the application to a third color setting based on a combination of the first value and the second value. The third color setting is different from the first color setting, and the third color setting is different from the second color setting.

Abstract: An information processing method and apparatus, a terminal, and a storage medium. The information processing method comprises: determining first content in response to a first operation event of a first control in a first document (S11); and adding the first content to the first document on the basis of content information and type information of the first content (S12). The type information comprises first type information and/or second type information, the second type information having an association with the first type information. In the described method, first content can be added to a first document according to content information and type information of the first content, so as to distinguish different ways of adding the first content.

Abstract: A blockchain-based data processing method, apparatus, and computer-readable medium are provided. Block proposal information is received including a block and a digital signature transmitted by an out-block node. The digital signature is obtained by performing digital signature processing on block header information included in the block. The block header information includes a first Merkel root determined based on transaction data in the block body information. Digest calculation on the block header information is performed to obtain first digest information. De-signature processing is performed on the digital signature to obtain second digest information. A second Merkel root is determined based on the transaction data acquired from the block proposal information when the first digest information and the second digest information are matched. An operation on the block is performed based on a comparison result of the first Merkel root and the second Merkel root.

Abstract: A device for separating and recovering flat-plate catalyst powder and a method for determining a wear ratio are provided. The device includes a powder separation unit and a powder recovery unit, a powder accumulation bin is respectively connected with a shell and a catalyst powder outlet, a cyclone outlet is configured on an inner side of a recovery shell, and a primary filter and a secondary filter are configured on an inner side wall of the recovery shell.

Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. Embodiments of the present invention provide a method for RACH re-attempt, a user equipment and a base station.

Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-Generation (4G) communication system such as long term evolution (LTE). The method for operating a user equipment (UE) in a wireless communication system is provided. The method includes detecting a synchronization signal block, performing downlink synchronization process according to the detected synchronization signal block, and determining time-frequency resources of an anchor subband; acquiring random access configuration information according to the time-frequency resources of the anchor subband, performing a random access process according to the random access configuration information, and completing uplink synchronization; and acquiring control information in a control channel band, and performing data communication with a base station in the data transmission band according to the control information.

Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The present disclosure provides a method for uplink power control, which is applied to a User Equipment (UE), and the method includes: determining a timing between a power control command and a Physical Uplink Control Channel (PUCCH), which adopts the power control command to control power. The present disclosure also provides a corresponding device.

Abstract: A semiconductor device having a plurality of layers deposited on a substrate and extending in at least one lateral aspect defined by a lateral axis thereof comprises at least one low(er)-index coating disposed on a first layer surface and at least one EM radiation-modifying layer embedded within the at least one low(er)-index coating and comprising at least one particle structure comprising a deposited material. Embedding the at least one particle structure of the at least one EM radiation-modifying layer within the at least one low(er)-index coating modifies the absorption spectrum of the at least one EM radiation-modifying layer for EM radiation passing at least partially therethrough at a non-zero angle relative to the lateral aspect therein in at least a part of the EM spectrum.

Abstract: An electronic device including a plurality of ports for electrically connecting the device to another device. The electronic device may include a housing including a front, a back and at least a first side and an opposing second side extending between the front and the back, a printed circuit board housed by the housing, and an electrical connector electrically connected to the printed circuit board. The electrical connector may include a first spring contact, a second spring contact, and an electrically conductive bridge mechanically and electrically connecting the first spring contact and the second spring contact. The electrically conductive bridge may be housed by the housing. The first and second spring contacts may extend outside of the housing and may be accessible from the first and second sides of the housing, respectively.

Abstract: Disclosed is a battery, including a battery cell body and a packaging housing. The packaging housing has an edge banding and a cavity, and the edge banding has a cross section. The edge banding extends upwards along a side surface of the battery cell body, a side surface, close to the battery cell body, of the edge banding is an inner side surface, and a side surface, away from the battery cell body, of the edge banding is an outer side surface. The cross section is provided with a first bonding body, and the first bonding body wraps the cross section, a part of the inner side surface and a part of the outer side surface of the edge banding. A lower edge of the first bonding body on the inner side surface is higher than a lower edge of the first bonding body on the outer side surface.

Abstract: The present disclosure discloses a method for detecting indication information, including: determining a carrier/narrowband position and a time-domain position where indication information is located; in which the indication information is configured to indicate whether a user equipment (UE) monitors a paging message or a downlink control channel that indicates the paging message, on associated one or more paging occasions (POs); and detecting the indication information on the determined carrier/narrowband position and the time-domain position, and determining, according to the indication information, whether to monitor the paging message or the downlink control channel on the one or more POs.

Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). A method for operating a terminal in a wireless communication system, the method comprises determining a time-frequency structure of a downlink reference signal, and receiving, from a base station, the downlink reference signal according to the time-frequency structure.

Abstract: An electronic device including a plurality of ports for electrically connecting the device to another device. The electronic device may include a housing including a front, a back and at least a first side and an opposing second side extending between the front and the back, a printed circuit board housed by the housing, and an electrical connector electrically connected to the printed circuit board. The electrical connector may include a first spring contact, a second spring contact, and an electrically conductive bridge mechanically and electrically connecting the first spring contact and the second spring contact. The electrically conductive bridge may be housed by the housing. The first and second spring contacts may extend outside of the housing and may be accessible from the first and second sides of the housing, respectively.

Abstract: A semiconductor device having a plurality of layers that extend in an interface portion and a non-interface portion of at least one lateral aspect defined by a lateral axis of the device. A low(er)-index layer, that may comprise a low-index material, that has a first refractive index at a wavelength, is disposed on a first layer surface in at least the interface portion. A higher-index layer, that may comprise a high-index material, that has a second refractive index at a wavelength, is disposed on an exposed layer surface of the device, to define an index interface with the low(er)-index layer in the interface portion. The second refractive index exceeds the first refractive index. A quantity of deposited material may be disposed on a second layer surface in the non-interface portion. The higher-index layer may cover the deposited material in the non-interface portion.

Abstract: The present disclosure discloses a method for detecting indication information, including: determining a carrier/narrowband position and a time-domain position where indication information is located; in which the indication information is configured to indicate whether a user equipment (UE) monitors a paging message or a downlink control channel that indicates the paging message, on associated one or more paging occasions (POs); and detecting the indication information on the determined carrier/narrowband position and the time-domain position, and determining, according to the indication information, whether to monitor the paging message or the downlink control channel on the one or more POs.

Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. Embodiments of the present invention provide a method for RACH re-attempt, a user equipment and a base station.

Abstract: A semiconductor device having a plurality of layers deposited on a substrate and extending in at least one lateral aspect defined by a lateral axis thereof comprises at least one EM radiation-absorbing layer deposited on a first layer surface and comprising a discontinuous layer of at least one particle structure comprising a deposited material. The at least one particle structure of the at least one EM radiation-absorbing layer facilitates absorption of EM radiation therein in at least a part of at least one of a visible spectrum and a UV spectrum while substantially allowing transmission of EM radiation therein in at least a part of at least one of an IR and an NIR spectrum.