Abstract: Disclosed are an MBMS bearer-based method and system for querying a node state in cluster communication and a storage medium. The method comprises: a cluster service application server transmits to a network node employing a multimedia broadcast multicast service (MBMS) bearer for transmitting a cluster service a request message for reporting a node state, receives node state information reported by the network node, selects, on the basis of the node state information, a mode for transmitting the cluster service, and mitigates impacts of congestion or overload on a target UE receiving the cluster service; the node state information comprises a congestion/overload identifier, an MBMS service area identifier, an MBMS service identifier, a congestion/overload start/end identifier. The technical solution of embodiments of the present invention mitigates the impacts of congestion or overload on the cluster service, thus enhancing user experience with the service.

Abstract: Techniques for managing a critical phase of a virtual machine migration are described herein. During the critical phase, which must be kept as short as possible, a virtual machine instance is paused, network packets are rerouted to a temporary packet queue, and messages associated with managing synchronization of block storage devices are dispatched to an entity configured to manage those connections. After the block storage devices are synchronized, the network packets are released from the temporary packet queue to the new location of the virtual machine instance.

Abstract: The disclosure provides a scheduling method and device for a single-cell Multimedia Broadcast and Multicast Service (MBMS).

Abstract: A method, system, and computer product for protecting personal privacy of one or more persons in a photo are provided. The method comprises receiving a photo including a face of at least one person, performing face recognition on the at least one person in the photo, determining a cross-relationship value between another person and the at least one person, based on a degree of closeness between said another person and the at least one person, and determining whether to show said another person the face of the at least one person in the photo, based on the cross-relationship value.

Abstract: A method and device for managing vehicles in Internet of Vehicles (IOV) are provided. The method includes: acquiring, by a leading vehicle in the IOV, management authority from a network side equipment, the management authority is authority of the leading vehicle for managing a vehicle group to which the leading vehicle belongs, and the vehicle group includes a plurality of vehicles; managing, by the leading vehicle, the vehicle group to which the leading vehicle belongs according to the management authority. The present disclosure solves the problem in the related art that the network side equipment fails to allocate and release resources for vehicles in the IOV timely, thereby improving the efficiency in managing vehicles in the IOV.

Abstract: A method comprising: A. forming a consortium blockchain network using domain network nodes and selecting committee members from top-level domain nodes; B. the committee member who received most votes packs the genesis block and generates a random number; C. the housekeeper having the same number as the random number packs the current block and generates a random number for selecting a next housekeeper to pack the next block, each block is approved by more than half of the committee members; D. during the duty cycle, each housekeeper takes turns packing blocks and generating random numbers and the process is repeated. If a block is not approved, the housekeeper with the next number is requested to repack the block; and E. the last random number generated by a housekeeper before the duty cycle ends is used to select the housekeeper to pack the first block of the next duty cycle.

Abstract: An apparatus and method for determining time-dependence failure under constant temperature through high pressure true triaxial loading for hard rock, includes a pressure chamber and four actuators, wherein a sample bearing platform is arranged in a center of the pressure chamber, a sample bearing and containing chamber is arranged in a center of the sample bearing platform, and a confining pressure loading oil supply hole is formed in the sample bearing platform, and communicates with a confining pressure loading injection pump; each actuator includes a sealing cover, an annular end cover, a counter-force cylinder barrel, a piston, a piston rod, a sealing flange and a stress loading injection pump; a heating coil is arranged in the pressure chamber; a force sensor is fixedly mounted at the end part of the piston rod; and a pressure sensor is mounted in the sample bearing platform.

Abstract: The present invention relates to a pharmaceutical composition for preventing and treating corneal diseases or conjunctival diseases, containing a maple leaf extract as an active ingredient. The maple leaf extract exhibits an effect of inhibiting hyperemia in the eyeball in which hyperemia has been induced and an effect of inhibiting angiogenesis in the eyeball in which corneal damage has been induced, thus being effectively used in a pharmaceutical composition for preventing and treating corneal diseases or conjunctival diseases.

Abstract: The present application discloses a DC vacuum interrupter and the application. The cup-shaped contact of the vacuum interrupter is in a transverse magnetic field. The magnetic core is placed in the contact cup. The magnetic core inside the cup of the contact works with the permanent magnets outside the vacuum interrupter to generate transverse magnetic fields in multiple directions between the contacts. While the contacts are open, the arc burns and moves rapidly along the ring shaped contacts under the transverse field along the tangent line of the contacts. While the arc moves rapidly along the ring-shaped contacts, the arc column passes the permanent magnets structure and works with the magnetic core to generate multi-polar transverse magnetic field. While the arc column makes a turn, the number of the transverse fields which are cut by the arc is same with the number of the permanent magnets set.

Abstract: The invention provides a light management information system for an outdoor lighting network system, having a plurality of outdoor light units each including at least one sensor type, where each of the light units communicates with at least one other light unit, at least one user input/output device in communication with at one or more of said outdoor light units, a central management system in communication with light units, said central management system sends control commands and/or information to one or more of said outdoor light units, in response to received outdoor light unit status/sensor information from one or more of said outdoor light units or received user information requests from said user input/output device, a resource server in communication with said central management system, wherein the central management system uses the light unit status/sensor information and resources from the resource server to provide information to the user input/output device and/or reconfigure one or more of the l

Abstract: The present disclosure discloses an uplink (UL) signal transmission method, apparatus and system, for effectively reducing channel resource overhead while protecting UL channel access opportunities. An uplink signal transmission method implemented on a UE side comprises: a UE determining, from at least one predefined candidate transmission position according to a preset rule, a transmission start position for transmitting an uplink signal; and beginning transmitting of the uplink signal at the determined transmission start position. In an uplink signal transmission method implemented on a base station side, an uplink scheduling grant (UL grant) is sent to schedule a UE to perform uplink transmission, and an uplink subframe sent by the UE is received; and a transmission start position of the uplink signal is determined in the uplink subframe.

Abstract: A vehicle detection system includes a transverse detector arm, two vertical detector arms, a radiation source, a plurality of transverse detectors, and a plurality of vertical detectors. The transverse detector arm may be disposed on the ground. Two vertical detector arms are disposed at both ends of the transverse detector arm. The radiation source is located above the transverse detector arm. A plurality of transverse detectors are disposed within the transverse detector arm and are laid along a length direction of the transverse detector arm for receiving ray emitted by the radiation source. The plurality of vertical detectors are symmetrically disposed on the two vertical detector arms, and each of the vertical detectors is disposed towards a center point of the radiation source for receiving ray emitted by the radiation source.

Abstract: Provided are a method, system, device for controlling congestion or overload and an eNB. The method includes: one or more eNBs configured to detect congestion or overload of user plane data are selected, and the one or more eNBs selected are notified; the one or more eNBs selected detect a congestion or overload event of the user plane data; when a triggering condition is met, the one or more eNBs selected send congestion or overload indication information to a GCS AS; and the GCS AS determines a start or end of congestion or overload which occurs in an MBMS area according to the congestion or overload indication information, and correspondingly selects a manner in which trunking service data are sent. By the technical solutions of the disclosure, the problem of influence for a trunking service when congestion or overload occurs in a network may be solved.

Abstract: A high-pressure true triaxial test apparatus with capacity of low-frequency disturbance and high-speed impact includes static and dynamic loading frames, four static loading actuators, two dynamic loading actuators and an SHPB mechanism, wherein all actuators are connected with a hydraulic station system; a hollow way is formed in the axial center of each piston shaft of the dynamic loading actuators, a dynamic pressure sensor adopting a hollow ring structure is mounted at the end part of each piston shaft, and the SHPB mechanism applies a high-speed impact load on a rock sample through the dynamic pressure sensors respectively; and the dynamic loading actuators adopt a static pressure oilway balance support sealing manner and are connected with the hydraulic station system, each oilway is provided with an energy accumulator, and flow is increased by the servo valves to drive pistons to perform dynamic response.

Abstract: A method and apparatus of generating a three-dimensional (3D) image are provided. The method of generating a 3D image involves acquiring a plurality of images of a 3D object with a camera, calculating pose information of the plurality of images based on pose data for each of the plurality of images measured by an inertial measurement unit, and generating a 3D image corresponding to the 3D object based on the pose information.

Abstract: A method of making an olefin polymerization catalyst carrier with a general structure formula of Mg(ORI)n(ORII)2-n, wherein: 0?n?2, and RI and RII can be the same or different and are each independently selected from a C1-C20 hydrocarbon group by reacting an alcohol with a metal magnesium powder under the protection of nitrogen in the presence of a halogen or a halogen-containing compound to obtain a first product, and subjecting the product to a treatment pressure of from 0.2 to 5.0 MPa at a treatment temperature of from 80 to 200° C. for a duration of between 2 minutes and 6 hours. Also provided is a method of making an olefin polymerization solid catalyst component which includes the catalyst carrier, a titanium compound, and at least one electron donor compound.

Abstract: Disclosed are a method for updating multimedia broadcast multicast control channel information, a method for receiving updated multimedia broadcast multicast control channel information, a network device and a user equipment. Herein, the method includes: updating, by a network side, MCCH information in a short Multicast Control CHannel MCCH modification period, and when the MCCH information to be updated is related to a resource configuration change of Multimedia Broadcast Multicast Service MBMS traffic data, selecting, by the network side, to update the MCCH information in the short MCCH modification period or selecting to update the MCCH information in a normal MCCH modification period, based on the priority of the MBMS traffic data for which resource configuration is changed; transmitting, by the network side, the updated MCCH information.

Abstract: At least some embodiments of the disclosure include a method and device for information identification. In the method, a base station acquires a notification message about a start of a traffic information service, wherein the notification message carries a traffic information identifier and a timestamp, the traffic information identifier is a service identifier for indicating traffic information, and the timestamp indicates a time point when the base station sends MSI; and the base station sends the MSI according to the notification message, in which the MSI is indicative of position information and expansion information of a sub-frame where a MTCH corresponding to the traffic information is.

Abstract: The invention relates to a blockchain-based domain name resolution system, characterized in that the domain name resolution system adopts a layered structure comprising a top-level domain name chain network, a second-level domain name chain network, a future network node and an existing DNS system network; the top-level domain name chain network links the second-level domain name chain network, the future network node and the existing DNS system network respectively, and the top-level domain name chain network is used for each professional organization to deploy the server nodes having a reliable performance respectively to form a union blockchain network, wherein each node server records the information of all the current top-level domain names, the second-level domain name chain nodes, the future network nodes and the root nodes of the existing DNS system; the second-level domain name chain network is used for the registration and management of domain names, and recording of all the second-level domain name

Abstract: A Bluetooth module in an elevator system in the field of elevator intelligent control technologies. The Bluetooth module according to the present invention is arranged substantially corresponding to a mounting hole of a first physical button/second physical button of the elevator system, such that a Bluetooth signal broadcast by the Bluetooth module can be propagated from at least part of the mounting hole to a landing zone/the interior of an elevator car. The first physical button is a physical button arranged on an elevator call panel assembly in the landing zone of the elevator system. The second physical button is a physical button arranged on an elevator call panel assembly of the elevator car of the elevator system. Embodiments can be easily implemented by transforming the existing elevator system and can achieve good coverage of Bluetooth signals in the landing zone and/or the interior of the elevator car.