Abstract: The present invention relates to the fields of medicinal chemistry and pharmaco therapeutics, and specifically to a method for preparing a compound of formula I and a chemically acceptable salt thereof.

Abstract: A method and system for high-speed caching of data writing, a device and a storage medium. The method includes: in response to receiving a data-writing operating instruction emitted by a host, creating a controlling page table and filling sequentially a plurality of control blocks into the controlling page table; submitting an entry pointer of a first instance of the control blocks to a work-queue scheduling engine, to execute tasks corresponding to the plurality of control blocks alternately in the work-queue scheduling engine; sending in advance a completion response to the host and notifying a firmware to perform subsequent processing and falling-into-disk of data; and in response to ending of execution of a task corresponding to a last one instance of the control blocks, releasing a used resource of the controlling page table.

Abstract: The present invention provides a pentacyclic triterpenoid glycoside compound, and a preparation method therefor and a use thereof. Specifically, the present invention provides a compound as shown in formula I. The definition of each group is described in the description. The compound can be used for preparing a medicament for treating metabolic diseases such as diabetes and viral diseases caused by influenza virus, coronavirus and the like.

Abstract: The present disclosure relates to the technical field of computers, and provides a method and apparatus for processing DMA, and a computer-readable storage medium. The method includes: acquiring a DMA task used for processing DMA, and acquiring state information of the task; judging, according to stages contained in the task, whether the state information meets a first preset condition of a descriptor DMA queue and/or a second preset condition of a data DMA queue, wherein the descriptor DMA queue is used for processing a first stage contained in the task, and the data DMA queue is used for processing a second stage contained in the task; and judging whether to perform subsequent processing on the task.

Abstract: The present invention relates to the fields of pharmaceutical chemistry and pharmacotherapeutics, and in particular to a compound as represented by general formula I, a racemate, an R-isomer, an S-isomer and a pharmaceutically acceptable salt thereof and a mixture of same, a preparation method therefor, a pharmaceutical composition containing the compound and the use thereof as an SIP receptor agonist. The oxadiazole compound involved in the present invention can be used for treating SIP receptor agonist related diseases.

Abstract: Disclosed is an air purifier with an ambient lamp. The air purifier includes an upper housing, a lamp belt, and a lower housing, where a bottom edge of the upper housing is provided with a fixing recess matching the lamp belt in shape, the lower housing includes a base and a supporting plate vertically arranged at a preset position of the base, and the base is fixedly connected to a bottom of the upper housing, such that one end of the supporting plate away from the base presses the lamp belt in the fixing recess, and the lamp belt is arranged opposite an edge of the base at an interval. According to the present invention, the lamp belt is fixed to the bottom of the upper housing, and the lamp belt and the base of the lower housing are arranged at an interval.

Abstract: The preset application discloses a task scheduling method, including: in response to receiving an issued task, dividing, by a parser, the task into sub-tasks and generating a sub-task list, a task parameter corresponding to each sub-task is recorded in the sub-task list, the task parameter includes a start phase of a next sub-task; sending, by a scheduler, the task parameter of a sub-task to be processed in the sub-task list to a corresponding sub-engine; executing, by the corresponding sub-engine, a corresponding sub-task to be processed; sending a notification to the scheduler in response to an operating phase when the corresponding sub-engine executes the corresponding sub-task to be processed being the same as the start phase in the received task parameter; and in response to the notification being detected by the scheduler, returning to the step of sending the task parameter of a sub-task to be processed to a corresponding sub-engine.

Abstract: One or more embodiments of this specification provide methods and apparatuses for transmitting messages. A method includes: determining a blockchain message from two or more message queues stored in a relay node in a blockchain relay communication network based on a message transmission policy, the message transmission policy being configured to transmit blockchain messages in the blockchain relay communication network based upon a priority identifier representing a priority of a blockchain message to be transmitted in the blockchain relay communication network; obtaining identifier from the blockchain message, and determining one or more target blockchain nodes in the blockchain relay communication network corresponding to the identifier; determining a target relay node connected to the one or more target blockchain nodes in the blockchain relay communication network; and transmitting the blockchain message to the one or more target blockchain nodes through the target relay node.

Abstract: The present disclosure discloses a method for Huffman correction and encoding, a system and relevant components, wherein the method includes: obtaining a target data block in a target file; constructing a Huffman tree by using the target data block; determining whether a depth of the Huffman tree exceeds a preset value; and when the depth of the Huffman tree does not exceed the preset value, by using the Huffman tree, generating a first code table and encoding the target data block; or when the depth of the Huffman tree exceeds the preset value, by using a standby code table, encoding the target data block; wherein the standby code table is a code table of an encoded data block in the target file.

Abstract: The present disclosure discloses a method for Huffman correction and encoding, a system and relevant components, wherein the method includes: obtaining a target data block in a target file; constructing a Huffman tree by using the target data block; determining whether a depth of the Huffman tree exceeds a preset value; and when the depth of the Huffman tree does not exceed the preset value, by using the Huffman tree, generating a first code table and encoding the target data block; or when the depth of the Huffman tree exceeds the preset value, by using a standby code table, encoding the target data block; wherein the standby code table is a code table of an encoded data block in the target file.

Abstract: A sensor module comprises a housing and a liquid level sensing module. The housing includes a first passage adapted to permit liquid to flow into an interior of the housing. The first passage defines an air chamber and an air passage in communication with the air chamber. The liquid level sensing module is arranged in the interior of the housing, and includes at least a first part positioned within the air passage. The liquid level sensing module is adapted to sense a characteristic indicative of a liquid level when the liquid flows into the first passage and compresses air in the air passage.

Abstract: The present invention relates to the fields of medicinal chemistry and pharmacotherapy, and specifically relates to the chemical compound of formula (I), and its racemate, R-isomer, S-isomer, pharmaceutically acceptable salt, and mixtures thereof, as well as its method for preparation, a pharmaceutical composition containing said chemical compound, and use as a lysine-specific demethylase 1 (LSD 1) inhibitor. The cyclopropylamine chemical compound to which the present invention relates may be used in the treatment of cancer.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for converting unstructured documents to structured key-value pairs. In one aspect, a method includes: providing an image of a document to a detection model, wherein: the detection model is configured to process the image to generate an output that defines one or more bounding boxes generated for the image; and each bounding box generated for the image is predicted to enclose a key-value pair including key textual data and value textual data, wherein the key textual data defines a label that characterizes the value textual data; and for each of the one or more bounding boxes generated for the image: identifying textual data enclosed by the bounding box using an optical character recognition technique; and determining whether the textual data enclosed by the bounding box defines a key-value pair.

Abstract: A method for processing data overflow in a decompression process, includes: decompressing an original text, and detecting whether a data overflow event occurs in the decompression process; in response to detecting the data overflow event, storing first data obtained by decompression in a host cache into a target memory, and closing a data read-in port of a decoding engine; decompressing data which is being decompressed in the decoding engine to obtain second data, and storing the second data into a cache of the decoding engine; calculating a position of the decompressed data in the original text; obtaining, on the basis of the position, data which is not decompressed in the original text, re-decompressing the data which is not decompressed to obtain third data, and storing the second data into the target memory; and splicing the first data, the second data, and the third data to obtain complete decompressed data.

Abstract: Computer-implemented methods, apparatuses, and systems for transferring a transaction using a blockchain integrated station are provided. The blockchain integrated station includes a central processing unit (CPU) and a smart network card. The smart network card is configured to receive a transaction of a blockchain network, wherein the blockchain integrated station is a blockchain node of the blockchain network, and determine other blockchain nodes in the blockchain network; and in response to determining the other blockchain nodes of the blockchain network, transfer the transaction to the other blockchain nodes of the blockchain network.

Abstract: Disclosed is use of a thieno[3,2-d]pyrimidin-4-one compound represented by general formula (I). Definition of each substituent is as stated in the description and claims, and the compound is used for preparing medicines for treating and/or preventing liver fibrosis and related diseases or preparing a DPP-4 inhibitor, or is used as a DPP-4 inhibitor.

Abstract: A health-regain device includes a driving portion, a health portion disposed on one side of the driving portion, and a control module communicably connected to the driving portion, wherein the control module controls the driving portion driving the health portion in rhythmic reciprocating motion.