Abstract: The present invention relates to a macrocyclic chelating agent capable of site-specific modification, a nuclide probe, and a use thereof, and in particular to a compound as represented by formula I, or a precursor compound, isotope compound, salt, or hydrate thereof. Compared with common macrocyclic chelating agents, the macrocyclic chelating agent of the present application can be used for site-specific modification of various target molecules at R4 site, comprising antibodies, polypeptides, sugars, nucleic acids, small molecule drugs, optical dyes, organic nanomaterials or fragments or derivatives thereof, and the reaction is more accurate and efficient. The macrocyclic chelating agent can be chelated with radionuclides for imaging such as PET, SPECT, MRI, etc., or for research on the application of radionuclide therapy.

Abstract: An electric height-adjustable desk, which relates to a desk technology and can realize quick assembly/disassembly of the electric height-adjustable desk at a lower cost; the electric height-adjustable desk as disclosed includes: a desktop, a desk frame including a frame and two electric columns, the frame including a main beam and an auxiliary beam, the two electric columns being connected to two ends of the main beam, respectively, the auxiliary beam being connected between the main beam and the desktop; a male part is provided on each electric column, and a female part insertion-fitted with the male part is provided on the main beam, the male part being insertion-fitted with the female part to connect the electric column to the main beam; and the auxiliary beam is movable relative to the main beam, the auxiliary beam being configured to lock the male part and/or the female part to an insertion-fit state.

Abstract: Disclosed are a data processing method and apparatus, a storage medium, and an electronic device. A neural network is used to perform an inference operation on data to be processed, comprising successively performing M rounds of inference on the data to be processed, wherein the process of the i-th round of inference comprises: at a first stage, performing inference on N2 input data elements, and at a second stage, performing inference on N1 input data elements, the N1 input data elements, which belong to the same batch of input data, being a subset of the N2 input data elements; the inference process of the (i+1)-th round of inference comprises: for N2-N1 input data elements for which the inference is incomplete in the i-th round of inference but for which the output tokens have been acquired, performing inference on the N2-N1 input data elements while taking into account the output tokens.

Abstract: A method and apparatus for detecting playing crosstalk, device and storage medium are provided, and the method includes: performing playing a crosstalk detection according to a playing state switching operation of at least one player instance; and in response to a detection result being that there is playing crosstalk, recording abnormal playing information about a target player instance which is currently in a playing state, and reporting the abnormal playing information to a server, where the abnormal playing information includes player view tree information; and the player view tree information is used for determining a service scene page where the player instance is located.

Abstract: A packet transmission method includes: after an output forwarding and processing unit obtains a packet, if the packet belongs to a deterministic flow, storing the packet into a deterministic flow input queue; for each packet in the deterministic flow input queue, determining encapsulation information corresponding to the packet, wherein the encapsulation information at least includes cyclic queue (CQ) queue information; encapsulating the packet based on the encapsulation information, and storing the packet into a deterministic flow output queue; obtaining, by an output interface unit, a packet from the deterministic flow output queue and based on the CQ queue information corresponding to the packet, storing the packet into a CQ queue corresponding to the CQ queue information; determining, by the output interface unit, a target CQ queue corresponding to a current scheduling cycle, and sending a packet in the target CQ queue to an external device within the current scheduling cycle.

Abstract: A data processing system in embodiments of this application includes a storage layer, a virtual bus, and a service layer. The storage layer includes a plurality of storage devices that are configured to provide storage space. The virtual bus is configured to receive registration of the plurality of storage devices to form a virtual network comprising the plurality of storage devices. The service layer is configured to provide a service for a user based on the virtual network.

Abstract: A method and apparatus for detecting playing crosstalk, device and storage medium are provided, and the method includes: performing playing a crosstalk detection according to a playing state switching operation of at least one player instance; and in response to a detection result being that there is playing crosstalk, recording abnormal playing information about a target player instance which is currently in a playing state, and reporting the abnormal playing information to a server, where the abnormal playing information includes player view tree information; and the player view tree information is used for determining a service scene page where the player instance is located.

Abstract: In a method for writing data to a solid-state drive, both a byte-level write interface and a page-level write interface are provided. Full-page input/output (I/O) data is written to a flash chip through the page-level interface, and small I/O data is written to a storage class memory (SCM) chip through the byte-level interface.

Abstract: In one example method, a server obtains compressed data, where the compressed data includes at least a first part and a second part, and where the compressed data is sorted based on popularity values of parts of the compressed data, and a popularity value of a part of the compressed data is greater than a popularity value of a subsequent part of the compressed data. The server decompresses the first part, and decompresses the second part after decompressing the first part, where a popularity value of the first part is greater than a popularity value of the second part.

Abstract: This application provides example data processing methods and systems. One example data processing method includes obtaining a first metadata stream of a first file system, where the first metadata stream is a streaming structure and includes multiple records, and each of the multiple records includes an identifier of a node in the first file system, an identifier of a parent node of the node, and an attribute of the node. A hierarchy of multiple nodes in the first file system is determined based on the first metadata stream.

Abstract: A data migration method and a related apparatus are provided. An example migration scheduling apparatus determines a migration task of migrating data of a first file from a source device to a destination device, and performs a first change on metadata of the first file, to trigger the source device or the destination device to complete the migration task based on the first change performed on the metadata of the first file.

Abstract: Provided are delocalized lipophilic cation (DLC) compounds and methods of using such compounds. Also provided are pharmaceutical compositions that include a DLC compound. Provided methods include methods of killing cells and methods of fluorescently labeling mitochondria by contacting the cells with a DLC compound of the present disclosure. Also provided are methods of imaging cell mitochondria, methods of determining whether a patient has a mitochondria related disease, and methods of treating a patient for a mitochondria related disease. Kits that include compounds of the present disclosure are also provided.

Abstract: A packet transmission method includes: after an output forwarding and processing unit obtains a packet, if the packet belongs to a deterministic flow, storing the packet into a deterministic flow input queue; for each packet in the deterministic flow input queue, determining encapsulation information corresponding to the packet, wherein the encapsulation information at least includes cyclic queue (CQ) queue information; encapsulating the packet based on the encapsulation information, and storing the packet into a deterministic flow output queue; obtaining, by an output interface unit, a packet from the deterministic flow output queue and based on the CQ queue information corresponding to the packet, storing the packet into a CQ queue corresponding to the CQ queue information; determining, by the output interface unit, a target CQ queue corresponding to a current scheduling cycle, and sending a packet in the target CQ queue to an external device within the current scheduling cycle.

Abstract: A data processing system in embodiments of this application includes a storage layer, a virtual bus, and a service layer. The storage layer includes a plurality of storage devices, and the service layer includes a plurality of services. The storage device and/or service may write registration information into the virtual bus after registration, and the registered storage device or service may discover another device or service. Data may move between the storage devices, between the storage devices and the services, and between the services through the virtual bus. In this way, the plurality of devices can discover and communicate with each other when the devices are not directly connected to each other.

Abstract: A near infrared-II region (NIR-II) fluorescent rare earth nanoprobe (RENP) test strip and its preparation method are disclosed. The NIR-II fluorescent RENP test strip includes a sample pad, a conjugation pad, a nitrocellulose (NC) membrane, an absorbent pad and a plastic backing. The sample pad, conjugation pad, NC membrane, absorbent pad are superimposed on the plastic backing successively along a horizontal direction. Detection antibodies labeled RENPs are immobilized on the conjugation pad; capture antibodies set as a test line and quality control antibodies set as a control line are sprayed on the NC membrane. RENPs with NIR-II luminescence are selected as an efficient fluorescent probe, and its excellent optical properties make the prepared test strip possesses excellent detection sensitivity, good accuracy, high stability and favorable repeatability. Meanwhile, preparation process of test strip is also simple and controllable, which is suitable for scale production.

Abstract: The disclosure provides NIR-II imaging probes and methods of using the NIR-II imaging probes for dynamic in vivo tracking of cells, such as stem cells, or other substances. NIR-II imaging probes can include a biocompatible NIR-II dye molecule coupled to an organic, biocompatible protein carrier complex, including a carrier protein coupled to a cell-penetrating peptide.

Abstract: In one example method, a server obtains compressed data, where the compressed data includes at least a first part and a second part, and where the compressed data is sorted based on popularity values of parts of the compressed data, and a popularity value of a part of the compressed data is greater than a popularity value of a subsequent part of the compressed data. The server decompresses the first part, and decompresses the second part after decompressing the first part, where a popularity value of the first part is greater than a popularity value of the second part.

Abstract: In a method for writing data to a solid-state drive, both a byte-level write interface and a page-level write interface are provided. Full-page input/output (I/O) data is written to a flash chip through the page-level interface, and small I/O data is written to a storage class memory (SCM) chip through the byte-level interface.