Abstract: A self-heating control method and a self-heating control system for a rechargeable battery are disclosed. The rechargeable battery includes a battery core. A separator is provided between a positive electrode and a negative electrode of the battery core. A reference electrode is correspondingly provided at the separator. A surface electrode is correspondingly provided on the negative electrode surface of the battery core. The method includes: detecting the potential difference between the reference electrode and the surface electrode, generating a charging current adjustment instruction according to the potential difference between the reference electrode and the surface electrode, and adjusting the charging current of the rechargeable battery according to the charging current adjustment instruction during the self-heating process of the rechargeable battery.

Abstract: The present application relates to the technical field of computers, and discloses a method and apparatus for generating a music file, and an electronic device and a storage medium. The method for generating a music file comprises: obtaining a first image; performing feature extraction on the first image to obtain a salient feature of the first image; mapping the salient feature to a musical instrument digital interface (MIDI) information coordinate system on the basis of the position of the salient feature in the first image, so as to determine MIDI information corresponding to the salient feature, the MIDI information coordinate system being used for indicating a correspondence between MIDI information and time; and generating a music file on the basis of the correspondence between the MIDI information and the time.

Abstract: A method for assessing microbial drug resistance multi-level risks of antibiotic residues in water environments, belonging to the technical field of water environment assessment, comprises the following steps: S1, environment monitoring; S2, preliminary screening of antibiotics: S2-1, determination of n-octanol/water partition coefficient, and S2-2, determination of antibiotic environment concentration; S3, assessment of microbial drug resistance; and S4, high-level assessment. The assessment method of the present disclosure conducts a step-by-step assessment of target antibiotics or target antibiotic derivatives in water environment with risks.

Abstract: Provided are a bovine rotavirus fusion protein and calf diarrhea multivalent vaccine. The bovine rotavirus fusion protein contains a VP6 fragment, wherein the VP6 fragment contains an amino acid sequence as represented by SEQ ID NO. 4, and at least one loop region of the following (a)˜(c) is substituted with an antigenic epitope derived from bovine coronavirus and/or an antigenic epitope derived from E. coli: (a) amino acid residues of sites 168-177; with an amino acid sequence as represented by SEQ ID NO. 1; (b) amino acid residues of sites 194-205; with an amino acid sequence as represented by SEQ ID NO. 2; and (a) amino acid residues of sites 296-316, with an amino acid sequence as represented by SEQ ID NO. 3, The bovine rotavirus fusion protein contains a plurality of antigenic epitopes, and can enable a host to generate a plurality of antibodies after immunizing the host.

Abstract: The present invention provides a device for blocking plasma backflow in a process chamber to protect an air inlet structure, comprising an air inlet nozzle tightly connected to an air inlet flange. The inner cavity of the air inlet nozzle is provided with an air inlet guide body, wherein the air inlet guide body has an upper structure, a middle structure, and a lower structure, the upper, middle, and lower structures are an integrated structure, the upper, middle, and lower structures are all cylindrical, the cross-sectional diameter of the upper structure is smaller than that of the middle structure, a gas gathering area is arranged between the middle structure and the lower structure, and the middle structure and the lower structure are connected by the gas gathering area.

Abstract: An organic-inorganic hybrid porous material. The organic-inorganic hybrid porous material contains a doping element A are provided. In some embodiments, the element A is one or more selected from: Li, Na, K, Rb, Cs, Sr, Zn, Mg, Ca, or any combination thereof. An external specific surface area of the organic-inorganic hybrid porous material is 1 to 100 m2/g. A ratio of the external specific surface area to a total specific surface area of the organic-inorganic hybrid porous material is 0.7 to 0.9.

Abstract: A circuit screening system including a target circuit under test receiving a first testing signal in a first period and a second testing signal in a second period; and a clock generating circuit providing a clock signal to the target circuit under test, the clock signal triggering the target circuit under test to receive the first testing signal in the first period and the second testing signal in the second period; the clock signal having a first profile and a second profile in the first period and the second period, respectively, and the first profile and the second profile having a phase difference.

Abstract: An Internet-of-Things management and control system for an intelligent orchard includes a server, agricultural machinery equipment, an image acquisition apparatus disposed on the site, and various sensors. The agricultural machinery equipment, the image acquisition apparatus and the various sensors are in communication connection with the server. The server includes an orchard management subsystem and an information monitoring subsystem. The orchard management subsystem includes a fruit tree planting planning module, a task management module and various information management modules, and the information monitoring subsystem includes a meteorological environment monitoring module, a soil moisture monitoring module and a disease and pest monitoring module. According to the Internet-of-Things management and control system, all-round management for an orchard from planning to picking can be achieved.

Abstract: Provided in the present invention are a compound for inhibiting sodium glucose cotransporter 1, and a pharmaceutically acceptable salt and a stereoisomer of the compound. The compound is used for a pharmaceutical composition, and further provided is a method for preparing and using same, comprising the use of the drug or the composition in the preparation for the treatment and improvement of diabetes, cardiovascular and cerebrovascular diseases, weight loss, fatty liver, constipation, metabolism-related diseases and in the treatment of tumors.

Abstract: An Internet-of-Things management and control system for an intelligent orchard includes a server, agricultural machinery equipment, an image acquisition apparatus disposed on the site, and various sensors. The agricultural machinery equipment, the image acquisition apparatus and the various sensors are in communication connection with the server. The server includes an orchard management subsystem and an information monitoring subsystem. The orchard management subsystem includes a fruit tree planting planning module, a task management module and various information management modules, and the information monitoring subsystem includes a meteorological environment monitoring module, a soil moisture monitoring module and a disease and pest monitoring module. According to the Internet-of-Things management and control system, all-round management for an orchard from planning to picking can be achieved.

Abstract: Provided are a compound that inhibits sodium-glucose co-transporter 1, and a pharmaceutically acceptable salt and stereoisomer thereof. The compound is used in a pharmaceutical composition and preparation and usage methods, which comprise an application of a drug and composition thereof in the preparation for treating and improving diabetes, cardiovascular and cerebrovascular diseases, weight loss, fatty liver disease, constipation, metabolism-related diseases and tumor treatment.

Abstract: An aromatic compound protein inhibitor, a stereoisomer, a tautomer, or a pharmaceutically acceptable salt thereof, a method related to the preparation and use of the compound, a pharmaceutical composition comprising the compound, and a relevant cancer treatment method. The aromatic compound has selective and significant inhibitory activity on a protein, and has a wide application prospect in the field of tumor treatment.

Abstract: In an approach for smart test data workload generation, a processor receives a plurality of expected image frames for a user interface application to be tested. The plurality of expected image frames is pre-defined and represents a series of workflows and operations of the user interface application to be expected based on a design requirement. A processor calculates a first set of hash-values for each corresponding expected image frame. A processor samples the user interface application with a frequency to a plurality of testing image frames during a test run on the user interface application. A processor calculates a second set of hash-values for each sampled testing image frame. A processor compares the first set of hash-values to the second set of hash-values. A processor verifies that the second set of hash-values matches the first set of hash-values.

Abstract: One example charge pump is provided. The example charge pump includes a degeneration circuit, a charging current source transistor, a switch circuit and a discharging current source transistor. The charging current source transistor provides a charging current. The degeneration circuit is coupled between a first terminal of the charging current source transistor and a power supply terminal. The degeneration circuit degrades a first voltage corresponding to the power supply terminal to a second voltage. The switch circuit is coupled between a second terminal of the charging current source transistor and a load. The switch circuit controls a charging current output to the load.

Abstract: Disclosed is a targeted delivery system for a hydrophobic antitumor drug, referring to conjugates of E-selectin polypeptide ligand-polyethylene glycol-antitumor drug connected by different link bridges containing disulfide bonds. The synthesis of the conjugates, antitumor activity evaluation, the particle size and morphology characteristics of nanoparticles self-assembled by the conjugates in an aqueous solution, and the release of the antitumor drug in different conditions are comprised. The conjugates can actively target at vessels of a tumor site by the E-selectin peptide ligand, and can also self-assemble into nanoparticles in an aqueous solution, so as to be passively targeted at the tumor site by EPR effect.

Abstract: Described are techniques for predictive microservice activation. The techniques include training a machine learning model using a plurality of sequences of coordinates, where the plurality of sequences of coordinates are respectively based upon a corresponding plurality of series of vectors generated from historical usage data for an application and its associated microservices. The techniques further include inputting a new sequence of coordinates representing a series of application operations to the machine learning model. The techniques further include identifying a predicted microservice for future utilization based on an output vector generated by the machine learning model. The techniques further include activating the predicted microservice prior to the predicted microservice being called by the application.

Abstract: A charge pump (321), a phase-locked loop circuit (301), and a clock control apparatus are provided, related to the field of wireless communications technologies, to implement a high-speed and low-noise charge pump in the clock control apparatus. The charge pump includes a degeneration circuit (3210), a charging current source transistor (Mio 1), a switch circuit (3211) and a discharging current source transistor (Mc 2). The charging current source transistor is configured to provide a charging current. The degeneration circuit is coupled between a first terminal of the charging current source transistor and a power supply terminal. The degeneration circuit is configured to degrade a first voltage corresponding to the power supply terminal to a second voltage. The switch circuit is coupled between a second terminal of the charging current source transistor and a load. The switch circuit is configured to control a charging current output to the load.

Abstract: A hand-propelled power tool includes a main body, a handle assembly, a fixing plate assembly, and a walking assembly connected to the main body. The handle assembly includes a first connecting rod and a second connecting rod. The first connecting rod is provided with a first adjusting assembly. The second connecting rod is provided with a second adjusting assembly. The first adjusting assembly and the second adjusting assembly form a linkage by a connecting member. The first adjusting assembly and the second adjusting assembly include a first movement state and a second movement state. When in the first movement state, the connecting member can transmit a force between the first adjusting assembly and the second adjusting assembly. When in the second movement state, the connecting member does not transmit a force between the first adjusting assembly and the second adjusting assembly.

Abstract: The present disclosure relates to a reverse transcriptase and an application thereof. The reverse transcriptase has mutation sites such as R450H compared with the wild-type M-MLV reverse transcriptase. The reverse transcriptase has increased polymerase activity, improved thermal stability, and reduced RNase H activity.

Abstract: Disclosed herein is a preparation method and use of a surface double-modified human serum albumin as a tumor targeting nano drug carrier, wherein the targeting nano drug carrier includes human serum albumin (HSA), polyethylene glycol and E-selectin peptide ligand. The targeting nano drug carrier is formed by coupling the E-selectin peptide ligand and polyethylene glycol to the surface of HSA by thioether linker formed between the sulfhydryl group of E-selectin peptide ligand and activated HSA. The targeting nano drug carrier can encapsulate hydrophobic antitumor drugs and form nanoparticles with certain particle size after treatment, which can not only increase the solubility and stability of the hydrophobic antitumor drugs, but also can actively recognize and bind E-selectin which is highly expressed on activated endothelial cells at tumor site, competitively inhibit the interaction between E-selectin and tumor cells, and thus inhibit the adhesion and migration of tumor cells.