Abstract: A detection method for detecting fault of insulator discharge based on image recognition includes the following steps: building an ultraviolet image dataset for an electrical equipment, building a neural network model for insulator discharge detection based on YOLOV5-T, the neural network model includes a CBS module, a CST module, a Concat module, a 1D-attention module, an Upsample module and a Detect module, training the neural network model by utilizing the ultraviolet image dataset for the electrical equipment, to obtain a trained neural network model, and inputting images to be recognized into the trained neural network model, to obtain fault detection results. A detection device is configured to implement the detection method.

Abstract: A torque transfer member having a strengthened fluid port and a method of making the same. The torque transfer member includes a body member formed of a steel alloy and is rotatable about a rotational axis. The body member includes an external surface, an interior surface defining a fluid passageway extending through the body, and a fluid port in communication with the fluid passageway. The fluid port includes a port surface connecting the external surface of the body to the interior surface of the fluid passageway. A compressive load above a yield point of the steel alloy is applied to the port surface by using a steel mandrel having a hardness of greater than 60 HRC. The body member is subjected to a heat treated process to form a hardened case after the compressive load is removed from the port surface.

Abstract: A torque transfer member having a strengthened fluid port and a method of making the same. The torque transfer member includes a body member formed of a steel alloy and is rotatable about a rotational axis. The body member includes an external surface, an interior surface defining a fluid passageway extending through the body, and a fluid port in communication with the fluid passageway. The fluid port includes a port surface connecting the external surface of the body to the interior surface of the fluid passageway. A compressive load above a yield point of the steel alloy is applied to the port surface by using a steel mandrel having a hardness of greater than 60 HRC. The body member is subjected to a heat treated process to form a hardened case after the compressive load is removed from the port surface.

Abstract: An artificial vertebral body includes a housing, a rotating body and a support member; an inner peripheral surface of the housing is provided with a first cooperating portion. The rotating body is rotatably disposed in the housing, an outer peripheral surface of the rotating body being provided with a second cooperating portion; the first cooperating portion can cooperate with the second cooperating part to restrict the rotation body to only rotate clockwise or counterclockwise; the support member passes through the rotating body and is screwed together with the rotating body; and the rotating body can rotate relative to the housing to drive the support member to move along the axial direction of the rotating body.

Abstract: There is provided a method for producing a separator for an electricity storage device that includes a step of contacting a porous body formed from a silane-modified polyolefin-containing molded sheet with a base solution or acid solution, and a separator for an electricity storage device comprising a microporous film with a melted film rupture temperature of 180° C. to 220° C. as measured by thermomechanical analysis (TMA).

Abstract: There is provided a method for producing a separator for an electricity storage device that includes a step of contacting a porous body formed from a silane-modified polyolefin-containing molded sheet with a base solution or acid solution, and a separator for an electricity storage device comprising a microporous film with a melted film rupture temperature of 180° C. to 220° C. as measured by thermomechanical analysis (TMA).

Abstract: An integrated base station antenna comprises a passive antenna that includes a front radome, a matching dielectric layer and a rear radome; and an active antenna mounted on the back of the passive antenna. A distance between the rear radome of the passive antenna and the matching dielectric layer is a first distance, and the distance between the active antenna and the rear radome of the passive antenna is a second distance, where the first distance is selected as 0.25+n/2 times the equivalent wavelength, where n is a positive integer, and the second distance is selected as 0.25+N/2 times the equivalent wavelength, where N is a natural number. The equivalent wavelength is within the range of 0.8 to 1.2 times of the wavelength corresponding to a center frequency of an operating frequency band of the radiating elements in the active antenna.

Abstract: Embodiments of this application relate to the field of storage technologies, and disclose a data backup method and a terminal, to back up user data in a terminal when the terminal cannot be used. A specific solution is as follows: A terminal includes a first data partition, and the first data partition supports to start an operating system when the terminal is powered on. The terminal starts the operating system by using a second data partition after detecting a power-on failure of the terminal or detecting a preset operation of a user. The second data partition is a blank data partition. After the operating system is successfully started, the terminal transmits user data in the first data partition to a first storage medium. The first storage medium is located outside the terminal and is connected to the terminal.

Abstract: The purpose of the present disclosure is to provide: a safer polyolefin microporous membrane; an electricity storage device separator, electricity storage device assembly kit, and electricity storage device using the polyolefin microporous membrane; and an electricity storage device. In one embodiment, the polyolefin microporous membrane comprises at least one of each of a layer A and a layer B, a polyolefin contained in at least one of the layer A and the layer B has one or more types of functional groups, and a crosslinked structure is formed by (1) the functional groups undergoing condensation reactions with each other, (2) the functional group reacting with a chemical substance inside the electricity storage device, or (3) the functional group reacting with a different type of functional group, after accommodation in the electricity storage device.

Abstract: A phase shifter includes a printed circuit board and a trace located on the printed circuit board that is configured to transmit signals. The printed circuit board includes a first part covered by the trace and a second part not covered by the trace, where the second part includes at least one hollowed out area near the trace.

Abstract: A security defending method, a coprocessor, and a processing apparatus are disclosed. The security defending method is applicable in a coprocessor, including: receiving a jump destination encryption request for the operation task; using mask configuration to perform first mask processing on the first jump destination address value to obtain a first intermediate jump destination address value; performing an authentication operation based on the first jump destination storage address, a key reference value corresponding to the operation task and the first intermediate jump destination address value, to obtain a first encryption result value; using the mask configuration to perform second mask processing on the first encryption result value to obtain a first intermediate encryption result value; performing an authentication operation on the first intermediate encryption result value and the first jump destination address value to obtain a first encryption jump destination address value.

Abstract: The present disclosure relates to a mounting assembly for an integrated base station antenna and an integrated base station antenna. The integrated base station antenna comprises a 4G antenna module and a 5G antenna module.

Abstract: An integrated base station antenna comprises a passive antenna that includes a front radome, a matching dielectric layer and a rear radome; and an active antenna mounted on the back of the passive antenna. A distance between the rear radome of the passive antenna and the matching dielectric layer is a first distance, and the distance between the active antenna and the rear radome of the passive antenna is a second distance, where the first distance is selected as 0.25+n/2 times the equivalent wavelength, where n is a positive integer, and the second distance is selected as 0.25+N/2 times the equivalent wavelength, where N is a natural number. The equivalent wavelength is within the range of 0.8 to 1.2 times of the wavelength corresponding to a center frequency of an operating frequency band of the radiating elements in the active antenna.

Abstract: A housing for a cavity phase shifter comprises a first part that extends along the length of the cavity phase shifter and a separate second part that extends along the length of the cavity phase shifter. The first part comprises a substantially flat first base and first arms that extend from the two widthwise edges of the first base toward the second part and the second part comprises a substantially flat second base and second arms that extend from the two widthwise edges of the second base toward the first part. The first arms and the second arms at least partially overlap and are capacitively coupled to each other to form the first cavity of the cavity phase shifter.

Abstract: A phase shifter includes a printed circuit board and a trace located on the printed circuit board that is configured to transmit signals. The printed circuit board includes a first part covered by the trace and a second part not covered by the trace, where the second part includes at least one hollowed out area near the trace.

Abstract: A base station antenna comprises a reflector, a plurality of first radiating elements arranged in a first column that extends in a vertical direction, a plurality of second radiating element arranged in a second column that extends in the vertical direction, and a plurality of parasitic elements, where the parasitic elements are arranged around the first radiating elements and/or second radiating elements. Each parasitic element is configured as a rod-shaped metal part, where a longitudinal axis of the rod-shaped metal part extends at an angle of between 70° to 110° with respect to a plane defined by the reflector, and the parasitic elements are positioned in front of the reflector in and are electrically floating with respect to the reflector.

Abstract: Base station antennas include a base station antenna housing with an internal cage defining a monolithic structure with front and rearward sets of longitudinally extending and laterally extending struts providing a light-weight, non-metallic body with radiating elements positioned inside the cage. The cage can attach to a primary reflector and can hold first and second matching layers and a reflector.

Abstract: The present invention provides a separator for nonaqueous secondary batteries, said separator comprising a silicon-containing (Si-containing) molecule. With respect to an Si-containing image of this separator for nonaqueous secondary batteries as detected by time-of-flight secondary ion mass spectrometry (TOF-SIMS), the Voronoi area (mu) of the most frequent ones among Voronoi polygons that are obtained by Voronoi tessellation of the Si-containing image is within the range of from 1.0 ?m2 to 17.5 ?m2 or within the range of from 6.0 ?m2 to 12.0 ?m2 and the spread (?) of the Voronoi area frequency distribution of the Si-containing image as detected by TOF-SIMS is within the range of from 0.5 ?m2 to 8.5 ?m2.

Abstract: Embodiments of this application provide a radiation apparatus and a multi-band array antenna, and relate to the field of antenna technologies. The radiation apparatus includes a radiation module, a first conductor balun, and a second conductor balun. The first conductor balun is mechanically connected to the second conductor balun under the radiation module. The radiation module includes a first radiation unit and a second radiation unit in a +45° polarization direction, and a third radiation unit and a fourth radiation unit in a ?45° polarization direction. The first conductor balun is configured to feed a first differential signal to the first radiation unit and the second radiation unit. The second conductor balun is configured to feed a second differential signal to the third radiation unit and the fourth radiation unit. The first conductor balun and the second conductor balun are disposed in the same plane.

Abstract: 1. Implementations of the present disclosure include receiving, by a database system, a query from an entity, providing a parse tree based on the query, the parse tree including nodes representative of operations to be executed and data objects stored within the database system, generating a module tree based on the parse tree, the module tree including a set of modules provided in sequential order from a root module to a leaf module, and executing an authorization check using the module tree by, for each module, determining a set of data objects and, for each data object in the set of data objects, determining whether the entity is one or more of authorized access the data object and perform an operation on the data object.