Abstract: A bearing seal for a rolling bearing with standard boundary dimensions that comprises a first flinger fitted into a first bearing ring and a second flinger fitted into a second bearing ring. Each flinger further comprises a correspondingly numbered sealing body. A first sealing body engages the second flinger and/or the second bearing ring, and a second sealing body engages the first flinger and/or the first bearing ring. The axial width of the bearing seal varies along the radial direction of the bearing. Starting at the first bearing ring, with a narrow width W, defined relative to the total radial size of the bearing seal L, wherein the ratio W/L is less than or equal to 0.5, the bearing seal widens toward the second bearing ring, thereby providing extra space between the rolling elements and/or cage and the bearing seal adjacent to the first bearing ring.

Abstract: A memory device includes a first memory array, a first isolation cell abutting a first side of the first memory array, a first edge cell array abutting a second side, opposite to the first side, of the first memory array, a second memory array arranged at a first side, opposite to the first memory array, of the first isolation cell, a second edge cell array, and multiple first word lines passing through the first edge cell array, the first memory array and being terminated at the first isolation cell. A first width of the first isolation cell is different from a second width of the first edge cell array. The second memory array is sandwiched between the second edge cell array and the first isolation cell.

Abstract: The present invention relates to pile foundations and provides an intelligent construction control method and system for jet grouting piles based on stratum information inversion. This method integrates multi-source sensing components and local transmission to perceive real-time drilling information to a data integration terminal. Using engineering soil layer data as training samples, a machine learning algorithm correlates perception information with geological conditions, judging and outputting stratum conditions in real time. An XGBoost model quickly and accurately identifies soil layers at the site. Based on big data matching of a cloud platform, an optimal construction parameter database is established, and the optimal combination of parameters is acquired through algorithm matching.

Abstract: The present disclosure describes methods, systems, and devices for scheduling gap coordination. One method includes determining, by a user equipment (UE), a scheduling gap (SG) granularity in a network; and transmitting, by the UE, a message comprising the determined SG granularity to the network. Another method includes receiving, by a network, assistance information from a UE; configuring, by the network based on the assistance information, a SG granularity; transmitting, by the network, reconfiguration information to the UE, the reconfiguration information comprising the determined SG granularity; and receiving, by the network, reconfiguration complete information from the UE.

Abstract: A roller embossing method for flexible graphite polar plates of fuel cells comprises: (1) adjusting a clearance of an embossing roller pair of a roller press to a target thickness value of a monopolar plate; (2) feeding a flexible graphite slab in front of the embossing roller pair, and entangling the flexible graphite slab by means of opposite rotation of the embossing roller pair; (3) after the slab is entangled, continuing to forward roll the slab for 10-100 mm, and then reversely rolling the slab for 5-90 mm by means of synchronous and opposite rotation of an upper and a lower embossing roller, wherein one time of forward rolling and one time of reverse rolling are referred to as reciprocal rolling; (4) forming a polar plate after several times of reciprocal rolling, and separating the polar plate from the embossing rollers; (5) performing subsequent treatment on the roll-formed flexible graphite polar plate.

Abstract: This application provides a communication system, method, and apparatus. The system is applied to implement authentication and key management for applications (AKMA) service-based data transmission between a terminal device and an application function network element. The system includes an AKMA anchor function network element and a network exposure function network element. The network exposure function network element obtains first identification information from a unified data management network element, where the first identification information is used to determine an authentication server function network element corresponding to the terminal device, and sends the first identification information to the AKMA anchor function network element. The AKMA anchor function network element obtains, from the unified data management network element based on the first identification information, identification information of the authentication server function network element corresponding to the terminal device.

Abstract: A memory device includes a memory array, a first latch and a first logic element. The memory array is configured to operate according to a first global write signal. The first latch is configured to generate a first latch write data based on a clock signal. The first logic element is configured to generate the first global write signal based on the clock signal and the first latch write data.

Abstract: The present disclosure provides a phase shifter, an antenna and an electronic device, and belongs to the field of communication technology. The phase shifter includes a plurality of phase shifting units, a first power division network and a second power division network; each phase shifting unit includes a first transmission structure and a second transmission structure; the first power division network includes a first feeding port and a plurality of second feeding ports; the second power division network includes a third feeding port and a plurality of fourth feeding ports; and the first transmission structure of the phase shifting unit is electrically connected to one second feeding port; the second transmission structure of the phase shifting unit is electrically connected to one fourth feeding port.

Abstract: A memory device, comprising: a first driving circuit configured to provide a first current signal to a first node according to a decoder signal; a second driving circuit configured to provide a second current signal to a second node according to the decoder signal; and a modulating circuit coupled to the first node and the second node, configured to transmit each of the first current signal and the second current signal to a reference voltage terminal. A method is also disclosed herein. A method is also disclosed herein.

Abstract: An engineered cementitious composite (ECC) has a tensile strain capacity ranging from 8.6 to 12.5% and includes a cement precursor, unprocessed desert sand, and polymer fibers. The polymer fibers may be ultra-high molecular weight polyethylene fibers, polypropylene fibers, or a combination thereof. A method of preparing an ECC structure includes providing a cementitious precursor mixture including a cement precursor and unprocessed desert sand, introducing water into the cementitious precursor mixture to form a cement slurry, and adding polymer fibers to the cement slurry. The polymer fibers may be ultra-high molecular weight polyethylene fibers, polypropylene fibers, or a combination thereof. Then, the method includes forming a structure with the cement slurry and curing the cement slurry.

Abstract: The present disclosure provides a monitoring and warning device for rock burst in coal mine, which is configured for monitoring a rock mass in a drill hole, the monitoring and warning device for rock burst in coal mine includes: an integration rod, radial adjustment components, a plurality of bases, and a measuring instrument, the integration rod is extended into the drill hole; the radial adjustment components are provided on the integration rod, and have a plurality of radial adjustment ends; a plurality of bases are correspondingly provided in the radial adjustment ends, and the bases are further connected with attachment components through elastic components, and the attachment components are embedded with first strain gauges; the measuring instrument is rotatably provided in the integration rod, and is used to measure the distance between the measuring instrument and the attachment components.

Abstract: The present disclosure provides a monitoring and warning device for rock burst in coal mine, which is configured for monitoring a rock mass in a drill hole, the monitoring and warning device for rock burst in coal mine includes: an integration rod, radial adjustment components, a plurality of bases, and a measuring instrument, the integration rod is extended into the drill hole; the radial adjustment components are provided on the integration rod, and have a plurality of radial adjustment ends; a plurality of bases are correspondingly provided in the radial adjustment ends, and the bases are further connected with attachment components through elastic components, and the attachment components are embedded with first strain gauges; the measuring instrument is rotatably provided in the integration rod, and is used to measure the distance between the measuring instrument and the attachment components.

Abstract: This application provides a screen display method. The method includes: detecting a first touch operation of a user on a first screen of an application; displaying a second screen at a screen refresh rate equal to a frame rate of the application in response to the first touch operation, and determining whether the second screen is a target screen; when the second screen is the target screen, determining whether a second touch operation of the user on the second screen is detected; when the second touch operation is detected, determining whether a touch area corresponding to the second touch operation is a target area; when the touch area corresponding to the second touch operation is the target area, determining a target screen refresh rate based on the frame rate of the application; and displaying the second screen at the target screen refresh rate in response to the second touch operation.

Abstract: Disclosed are a method, apparatus and system for determining spatial relationship information, and a storage medium. The method includes: transmitting first control signaling, wherein the first control signaling is used for indicating spatial relationship information of at least one control channel resource; and determining the spatial relationship information of the at least one control channel resource according to a predetermined rule and the first control signaling. Further disclosed are an information element transmission method and apparatus, and a storage medium.

Abstract: The present disclosure relates to a method, device, communication device and storage medium for cell handover. The cell handover method is applied to a user equipment UE. The method includes: monitoring a transmission delay of a first cell where the UE is currently located; and reporting a preset message in response to the transmission delay reaching a delay threshold. The preset message is configured to trigger a base station to issue a cell handover command instructing the UE to perform cell handover.

Abstract: Methods, systems, and devices related to related to digital wireless communication, and more specifically, to techniques related to reporting performance information. In one exemplary aspect, a method for wireless communication includes receiving a performance information report from a terminal, wherein the performance information report includes information relating to performance of the network node. The method also includes initiating a performance task based on receiving the performance information report. In another exemplary aspect, a method for wireless communication includes generating a performance information report that includes information relating to performance of a network node. The method also includes transmitting the performance information report to the network node.

Abstract: An authentication method, a communication apparatus, and a storage medium are provided. The method includes: a first function network element in a home network determines whether a terminal needs to be authenticated; the first function network element obtains an authentication material when the terminal needs to be authenticated; the first function network element obtains a first authentication vector based on the authentication material; and the first function network element sends a first authentication request message to an AMF to trigger authentication on the terminal, wherein the first authentication request message includes the first authentication vector. According to this application, the first function network element in the home network determines to trigger authentication on the terminal.

Abstract: Embodiments of this application provide example communication methods and apparatuses. One example communication method is applied to a communications device, where a subscriber identification module (SIM) card is installed in the communications device, and where the example communication method includes determining, by the communications device, that the SIM card is removed. The communications device can then send alarm information to a network device, where the alarm information indicates that the SIM card in the communications device is removed, and where security protection is performed on the alarm information based on security context stored in the communications device. The communications device can then delete the security context.

Abstract: A method for preparing pinacolone is provided. Raw materials including 2-methyl-2-butene, hydrochloric acid and formaldehyde are reacted in the presence of a catalyst to produce pinacolone. The catalyst is a single lanthanide Lewis acid, a compounded lanthanide Lewis acid or a lanthanide metal oxide soluble in hydrochloric acid. The lanthanide Lewis acid is lanthanum chloride, cerium chloride, praseodymium chloride, neodymium chloride, erbium chloride, holmium chloride, dysprosium chloride or thulium chloride. The method is performed through a continuous two-step reaction. In the first reaction, 2-methyl-2-butene and hydrochloric acid are reacted to form an intermediate, which undergoes a second reaction with formaldehyde in the presence of the catalyst to produce pinacolone.