Abstract: A metadata processing method includes a data production cluster that generates metadata of shared data. The data production cluster stores the shared data and the metadata into a shared storage. The shared storage generates path information of the metadata. A data consumption cluster obtains the path information of the metadata from the shared storage, obtains the metadata from the shared storage based on the path information of the metadata, and obtains the shared data from the shared storage based on the metadata.

Abstract: A tank is secured under the keel of a floating structure for offshore energy development. The tank is filled with ballast material that supplements or replaces the ballast already present on the floating structure, thereby gaining larger topsides payload capacity for the floating structure or increasing stability and motion performance of the floating structure.

Abstract: Additive manufacturing techniques can be used to form marine mooring chains. In one example method, individual chain links are printed using additive manufacturing and then joined together to form a section of a marine mooring chain. In another example method, multiple chain links are printed together simultaneously to form a section of a marine mooring chain. The links of the marine mooring chain formed using additive manufacturing are advantageous in that selected materials and sensors can be embedded in the chain links and the links can be formed to have a functional gradient.

Abstract: A powder spreading device includes a powder container body, a powder barrier assembly and a powder feed roller assembly. The powder barrier assembly is provided on a side of the powder container body. The powder container body and the powder barrier assembly together form a powder feed container. A bottom of the powder container body is provided with a powder discharge outlet. The powder feed roller assembly is rotatably provided at the powder discharge outlet, and is arranged along a length direction of the powder discharge outlet. A bottom of the powder barrier assembly is in contact with the powder feed roller assembly. A plurality of annular powder grooves are arranged spaced apart along a length direction of the powder feed roller assembly. A three-dimensional (3D) printing device and a 3D printing production line are also provided.

Abstract: A first network element receives a primary re-authentication request message sent by a second network element, where the primary re-authentication request message carries a UE identifier; the first network element determines the UE and acquires the state of the UE according to the UE identifier; then the first network element determines corresponding response indication information according to the state of the UE and sends a primary re-authentication response message carrying the response indication information to the second network element, and the second network element performs a corresponding operation according to the response indication information. The operation of the second network element can be adapted to the current state of the UE to achieve the purpose of improving the success rate of the primary authentication process of the UE, thus improving network service quality and user experience.

Abstract: A wireless communication method for use in an anchor node includes receiving, from a serving node, a context request associated with a wireless terminal and an indication for a small data transmission. A first message is transmitted to a serving node and includes configuration information of the small data transmission. A second message is received from the serving node comprising downlink information of the small data transmission. The small data transmission is then performed.

Abstract: The present invention relates to the field of beamforming integrated circuits, and provides a hybrid multi-beamforming circuit structure, including: a power divider, receiving a first data stream for dividing the first data stream into a plurality of second data streams; and a power combiner, receiving the second data streams and combining the plurality of second data streams into a third data stream, where an input port of an FTVAP circuit is connected to an output port of the power divider, and an output port of the FTVAP circuit is connected to an input port of the power combiner, to control an amplitude, a phase, and time delay of the second data streams. A BTVAP circuit is connected to an input port of the power divider to control an amplitude, a phase, and time delay of the first data stream, or the BTVAP circuit is connected to an output port of the power combiner to control an amplitude, a phase, and time delay of the third data stream.

Abstract: A negative-pressure sputum suction device capable of intermittently sucking sputum includes a box body, an intermittent negative pressure mechanism, an atomization mechanism, a negative pressure pipe, a ventilation frame, a filter screen, a collection mechanism, a box door, an anti-skid leg and a conveying pipe; the intermittent negative pressure mechanism is arranged in the box body, the atomization mechanism is arranged in the box body, and the negative pressure pipe is fixedly connected to the box body; the ventilation frame is fixedly connected to the box body, the filter screen is fixedly connected to the ventilation frame, the collection mechanism is arranged on the outer side of the box body, and the box door is hinged to the box body; four evenly-distributed anti-skid legs are fixedly connected to the box body, and the conveying pipe is fixedly connected to the box body.

Abstract: Systems, methods, and apparatus for wireless communication are described. A wireless communication method includes receiving, by a network node, multiple mobile network registrations. The method further includes determining, by the network node and based on the multiple mobile network registrations, an access and mobility management function (AMF) or a security anchor function (SEAF). The method further includes transmitting, by the network node, an authentication message to the AMF or the SEAF. The described techniques may be adopted by a network device or by a wireless device.

Abstract: The embodiment of the present disclosure provides a transmission line tower base with electrothermal air-blowing anti-frost heave functions for permafrost regions. The transmission line tower base includes a pile foundation cylinder, a cylinder top seat, a cylinder base, a transmission line tower connection frame, a support column inside the pile foundation cylinder, arcuate tubes, heating rods, and a top air-blowing device. The cylinder top seat is fixedly provided at a top of the pile foundation cylinder, and the transmission line tower connection frame is fixedly mounted on the cylinder top seat for connecting to a bottom foot of a transmission line tower body. The cylinder base is provided at a bottom of the pile foundation cylinder. The pile foundation cylinder includes a hollow installation cavity, and the support column is embedded in the installation cavity.

Abstract: The invention discloses an anti-phenacetin monoclonal antibody hybridoma cell strain AD, a preparation method and application thereof, and relates to the technical field of food safety immunodetection. The monoclonal antibody hybridoma cell strain is named monoclonal cell strain AD and the number CGMCC19681. The Phe-BA obtained by the hydrolysis of the reaction product of the phenacetin metabolite acetaminophen and ethyl 4-bromobutyrate is used as the hapten, and the hapten is coupled with the carrier protein to prepare the immunogen Phe-BA-BSA. After the mice were immunized with the immunogen Phe-BA-BSA, they were fused with myeloma cells by PEG method, screened by indirect competitive enzyme-linked immunosorbent assay and subcloned five times to obtain hybridoma cell lines. The monoclonal antibody secreted by the cell line can be made into a phenacetin detection kit, which has good affinity and detection sensitivity for phenacetin, and can be used for immunodetection of phenacetin residues in food.

Abstract: Provided are a network handover method and apparatus, a device, and a storage medium. The method is applied to a first communication node and includes: a handover required message is sent to a core network, where the handover required message carries reference information of UE context at a source side; and a handover control message sent by the core network is received, where the handover control message carries information for maintaining the UE context at the source side, and the information for maintaining the UE context at the source side is used for instructing a network node at the source side not to release resources used by a UE, and the information for maintaining the UE context at the source side is determined by the reference information of the UE context at the source side.

Abstract: The present disclosure provides a modified HSV-1 vector. The HSV-1 vector comprises an exogenous nucleotide sequence encoding an immunostimulatory factor and/or an anti-immune checkpoint antibody. The HSV-1 vector of the present disclosure can be used for treating cancers.

Abstract: Disclosed is a two-stage successive approximation register analog to digital converter based on a difference and differential amplifier, including a first-stage sub-ADC, a difference and differential amplifier, and a second-stage sub-ADC connected in sequence. The first-stage sub-ADC and the second-stage sub-ADC each include capacitor arrays and comparators. The difference and differential amplifier includes a transconductance amplifier GM1, a transconductance amplifier GM2, a resistance load R, and proportional resistors R1 and R2. The transconductance amplifier GM1, the resistance load R, and the transconductance amplifier GM2 form a negative feedback loop. The disclosure adjusts the gain of the amplifiers through the proportional resistors R1 and R2, so that higher conversion accuracy can be achieved.

Abstract: Provided are a data radio bearer control method, device, and system for a multi-connection system. The data radio bearer control method for a multi-connection system comprises: establishing a split protocol data unit session comprising M quality of service flows, the M quality of service flows being respectively established on N radio access network nodes, wherein one of the N radio access network nodes is a master node, and N?1 radio access network nodes other than the master node among the N radio access network nodes are secondary nodes, M and N are positive integers, and M?2 and N?2; and establishing a default data radio bearer for the split protocol data unit session, and configuring the default data radio bearer on any one of the radio access network nodes.

Abstract: A structure including a first fin-type field effect transistor (finFET) in a first semiconductor fin. The first finFET includes a channel region between a first source/drain (S/D) region and a second S/D region; and a gate all around (GAA) structure. The GAA structure includes an outer gate region over the channel region and a buried gate region under of the channel region and extending between the first S/D region and the second S/D region. The outer gate region and the buried gate region each include a gate metal layer and a gate dielectric layer. The gate dielectric layer is thicker in the buried gate region than in the outer gate region.

Abstract: The present invention relates to a series of neutral fluorescent mitochondrial markers as amide derivatives, and a preparation method and use thereof. The present invention provides for the first time that neutral dyes have excellent mitochondria targeting ability after being bonded to an amide compound. The present invention solves the problems of uncertain organelle targeting ability of the existing fluorescent dyes with a neutral structure and that the neutral dye is a commercial marker for lipid droplets in cells. In the present invention, the organelle targeting ability of a fluorescent dye is regulated by creatively modifying the structure, while the optical performance of the original dye is improved; and the biological properties of the dye are obviously improved after being bonded to an amide compound. Amide compounds are cheap and readily available, which is conducive to controlling the cost of new dyes, thus having great scientific significance and commercial value.

Abstract: Disclosed herein are new salts of substituted pyrazole compounds which inhibit the activity of the monocarboxylate transporter MCT4, or a mutant thereof. Also disclosed herein are compounds, pharmaceutical compositions, and methods of treatment of MCT4-mediated diseases, such as inflammatory disorders and proliferative disorders.

Abstract: The present application provides an autonomous driving method, an auxiliary controller, a main controller, an autonomous driving system, an electronic device and a computer-readable storage medium, and relates to the technical field of autonomous driving. The method is applied to an auxiliary controller and comprises: acquiring state monitoring information, the state monitoring information being information obtained by monitoring an operation state of a main controller; and in response to determining, according to the state monitoring information, that the main controller is operating abnormally, controlling an operation state of an autonomous vehicle.

Abstract: The present application discloses a method, an apparatus for superimposing laser point clouds and a high-precision map and an electronic device, comprising: when superimposing the laser point clouds and the high-precision map for visualization, first performing dilution processing on non-road laser point clouds in the laser point clouds to be fused to obtain target non-road laser point clouds, which effectively reduces the amount of data of the laser point clouds to be fused; and performing segmentation processing on the map to be fused to obtain multi-level map data corresponding to the map to be fused, which effectively reduces the amount of data of the map to be fused. In this way, when superimposing the laser point clouds and the high-precision map for visualization, both non-road information may be visualized through the laser point clouds, and road information may be visualized through the high-precision map.