Abstract: The present invention relates to the technical field of power electronics converters and discloses a grid-forming energy storage converter on/off-grid switching control method and system, where the method includes the following steps: S1: using a single-loop power control strategy in an off-grid state when an on-grid relay of target energy storage drops out; S2: using a parallel virtual impedance loop-based power control strategy in a transient on-grid state when the on-grid relay of target energy storage pulls in; and S3: using a cascaded dual-loop power control strategy with a virtual admittance voltage loop and an inner current loop when a stable on-grid state is established. The present invention solves the problems of large current impact and unstable switching process state in the existing working strategy for on/off-grid switching in the prior art.

Abstract: An ultrasound system includes an ultrasound scanner configured to transmit ultrasound at a patient anatomy and receive reflections of the ultrasound from the patient anatomy. The ultrasound system includes an ultrasound machine configured to generate received data including ultrasound data based on the reflections of the ultrasound and artifact data based on an interferer. The ultrasound system includes a processor system that is implemented to determine an artifact signal that is based on the interferer, determine, based on the artifact signal, one or more artifact characteristics. In some embodiments, the artifact characteristics are selected from the group consisting of an amplitude, a phase, a center frequency, and a bandwidth. The processor system is implemented to generate, based on the artifact characteristics, filter coefficients, and filter, based on the filter coefficients, the received data to suppress the artifact data and recover the ultrasound data.

Abstract: Described herein are binding moieties, such as antibodies, that specifically bind Claudin18.2, and chimeric antigen receptors comprising such binding moieties. Further provided are engineered immune cells (such as T cells) comprising anti-Claudin 18.2 chimeric antigen receptors. Also disclosed are methods of treating Claudin18.2-expressing tumor or cancers using the binding moieties, chimeric antigen receptors and engineered immune cells.

Abstract: A first housing and a second housing of a foldable device are rotatably connected through a rotating shaft mechanism. A first chamber is provided between a flexible display of the device and the first housing, a second chamber is provided between the flexible display of the device and the second housing, and a third chamber is provided between the flexible display of the device and the rotating shaft mechanism. A flexible thermal sheet is disposed in space formed by the first chamber, the second chamber, and the third chamber. The flexible thermal sheet is fastened to the first housing, passes through the third chamber along the flexible display, and extends to the second chamber. The flexible thermal sheet slidably cooperates with the rotating shaft mechanism, the second housing, and parts that correspond to the rotating shaft mechanism and the second housing and that are of the flexible display.

Abstract: The present disclosure provides a display panel. The display panel includes a base substrate, a first conductive layer and an active layer that are stacked in sequence. The first conductive layer includes a plurality of gate signal lines. The gate signal line includes a body part and a plurality of additional parts. An orthographic projection of the body part on the base substrate extends along a first direction. The plurality of additional parts are distributed at intervals in the first direction and coupled to a side of the body part in a second direction. The additional part is used to form a gate of a driving transistor. The active layer includes a plurality of active structures disposed corresponding to the plurality of additional parts. Orthographic projections of the plurality of active structures on the base substrate are separated from each other.

Abstract: This application relates to the technical field of coal-fired boilers, and provides a method and an apparatus for improving steam oxidation resistance of a small-diameter boiler tube in a coal-fired boiler. The method includes the following steps: cutting a boiler tube panel from a ceiling of the boiler, vertically hoisting and fixing the boiler tube panel, and cutting out a section from a bottom portion of a lower bend of the boiler tube panel; cleaning an inner tube wall of each tube body in the boiler tube panel; performing oxidation resistance coating sintering on the inner tube wall of each tube body in the boiler tube panel; and performing a welding repair on each tube body in a sintered boiler tube panel. All construction processes of this method can be completed in a furnace during shutdown and maintenance, production efficiency is high, and maintenance duration can be significantly reduced.

Abstract: A CT energy extraction device is provided. A first accommodation cavity is provided in a first housing, and a second accommodation cavity is provided in a second housing. The first housing can be connected and joined with the second housing to form a ring shape, which is used to be placed on outside of a high-voltage line. A first iron core is disposed in the first accommodation cavity, and an energy-extraction coil is wound around the first iron core. A cable outlet is provided on the first housing, and the energy-extraction coil has pins extending from the cable outlet. A second iron core is disposed in the second accommodation cavity. When the first housing and the second housing are connected and joined, the first and second iron cores are joined to form a closed ring structure. An inflating assembly is provided on the first housing and/or the second housing.

Abstract: The embodiments of the present disclosure provide a method for optimizing performance indicators of smart gas, a smart gas Internet of Things (IoT) system, and a medium. The method may comprise obtaining at least one user need through the smart gas user platform based on the smart gas service platform; determining at least one optimization objective based on the at least one user need; determining a constraint that a target proportioning feature satisfies according to the at least one optimization objective; generating at least one candidate proportioning feature according to the constraint; performing at least one round of iterative processing on the at least one candidate proportioning feature, and determining the candidate proportioning feature and an evaluation value after each round of iteration until the evaluation value satisfies the constraint; and determining the candidate proportioning feature with the evaluation value satisfying the constraint as the target proportioning feature.

Abstract: An apparatus for non-contact current and voltage composite measurement includes: a current signal detection device, a voltage signal detection device, a zero-crossing detection circuit, and a control unit. The current signal detection device generates a current-induced electromotive force based on current flowing on the transmission line to be measured when there is current-voltage passing through the transmission line to be measured; the voltage signal detection device generates a voltage-induced electromotive force based on voltage flowing on the transmission line to be measured when there is current-voltage passing through the transmission line to be measured. The zero-crossing detection circuit performs zero-crossing detection on the current-induced electromotive force and the voltage-induced electromotive force to determine the phase difference between them.

Abstract: A selenium-chelating pea oligopeptide, a preparation method thereof and use thereof. After the selenium-chelating pea oligopeptide is subjected to digestion treatment in at least one of following three ways, a change rate of selenium content not more than 3% with respect to the selenium content before the digestion treatment: hydrolyzing for 4 hours by a pepsin at a pH value of 2 and a temperature of 37° C.; hydrolyzing for 6 hours by a trypsin at a pH value of 7.5 and a temperature of 37° C.; maintaining the temperature constant at 37° C., firstly hydrolyzing for 4 hours by the pepsin at a pH value of 2, and then continuing to hydrolyze for 6 hours by a trypsin at a pH value of 6.8. The preparation method thereof includes mixing and reacting an aqueous solution of pea oligopeptide and sodium selenite, and then being subjected to alcohol precipitation and drying.

Abstract: A power-supply mode switching circuit and an aerosol generating device are provided. The power-supply mode switching circuit includes an external-power-source power-supply circuit, a protection circuit, and a battery power-supply circuit. A node where the external-power-source power-supply circuit is connected to the protection circuit serves as a power-source input end. A node where the external-power-source power-supply circuit is connected to the battery power-supply circuit serves as a power supply end. The protection circuit is configured to control the battery power-supply circuit to be cut off when the power-source input end is connected to the external power source, to make the external power source supply power to the power supply end. The protection circuit is further configured to control the battery power-supply circuit to be conducted when the power-source input end is not connected to the external power source, to make the battery supply power to the power supply end.

Abstract: Disclosed are heat pipes of the type having a condenser section in which gaseous refrigerant is condensed to produce liquid refrigerant comprising: (a) at least one closed pipe comprising: (i) a condenser section, (ii) a first evaporator section in fluid communication with said condenser section; and (iii) at least a second evaporator section in fluid communication with said condenser section; (b) refrigerant contained in said heat pipe; (c) at least a first liquid flow path leading a first portion of liquid refrigerant condensed in said condenser section to said first evaporator section; and (d) at least a second liquid flow path leading a second portion of liquid refrigerant condensed in said condenser section to said second evaporator section, wherein said second evaporator section comprises a reservoir holding liquid refrigerant at a location different than said first evaporator section.

Abstract: Embodiments of this disclosure disclose a resource transfer data management method and apparatus, and a storage medium, which belong to the field of Internet technologies. The method includes: receiving transaction data transmitted by a first server, wherein the transaction data is obtained by the first server by signing resource transfer data according to a private key of the first server; verifying the transaction data according to a public key of the first server; and generating a second block according to the transaction data and a feature value of a first block in a blockchain when the verification succeeds, and adding the second block as a next block of the first block to the blockchain.

Abstract: The present invention provides a flexible battery, including an electrochemical cell layer and a wrapping layer that wraps the electrochemical cell layer. The flexible battery further includes an energy absorbing layer. The energy absorbing layer is located between the wrapping layer and upper and lower surfaces, which are opposite to each other, of the electrochemical cell layer. The energy absorbing layer includes a plurality of supporting parts that protrude outward from the upper or lower surface of the electrochemical cell layer. The plurality of supporting parts are mainly made of a foam material or rubber. For the energy absorbing layer, a lower-modulus buffering layer or an empty part may be further disposed between the electrochemical cell layer and the wrapping layer, to complement a wavy surface of the supporting part to form a flat surface.

Abstract: Provided is a device for maintaining an equipment configured to maintain a to-be-maintained equipment (1). The to-be-maintained equipment (1) includes a first side and a second side opposite to the first side, and the device includes: at least one guide rail (3) extending in a first direction, wherein the first direction is a direction pointing from the first side to the second side; a sliding mechanism (4) arranged on the guide rail (3) and configured to support the to-be-maintained equipment (1); and a driving mechanism (5) configured to drive the sliding mechanism (4) and the to-be-maintained equipment (1) to move along the guide rail (3), wherein the device is configured to allow the to-be-maintained equipment (1) to move along the guide rail (3) to change a maintenance space on the first side or the second side.

Abstract: Disclosed are a double-sided solar cell and a preparation method therefor. The double-sided solar cell comprises: a silicon wafer having a PN junction, and a front first silicon oxide layer, a front second silicon oxide layer, a front first nitrogen-containing silicon compound layer, a front second nitrogen-containing silicon compound layer, and a front third silicon oxide layer that are located on one side of an N-type layer of the silicon wafer and are sequentially stacked along a direction away from the silicon wafer; and a passivation layer, a back silicon oxide layer, a back first nitrogen-containing silicon compound layer, and a back second nitrogen-containing silicon compound layer that are located on one side of a P-type layer of the silicon wafer and are sequentially stacked along the direction away from the silicon wafer.

Abstract: An industrial internet of things for determining a target automatic guided vehicle (AGV) path, a control method, and a storage medium are provided. The industrial internet of things comprises a service platform, a management platform and a sensor network platform which are connected in sequence. The management platform comprises: an obtaining module configured to obtain an AGV route layout of a target workshop through the sensor network platform, and generate a basic layout directed graph according to the AGV route layout; and a determination module configured to determine, based on the basic layout directed graph, an optimal AGV path through a second iteration approach; generate a target AGV path at least based on the optimal AGV path; and control an AGV to carry out material transportation according to the target AGV path, and send the target AGV path to the user platform for display to a user.

Abstract: The present disclosure discloses a question analysis method, a device, a knowledge base question answering system and an electronic equipment. The method includes: analyzing a question to obtain N linearized sequences, N being an integer greater than 1; converting the N linearized sequences into N network topology maps; separately calculating a semantic matching degree of each of the N network topology maps to the question; and selecting a network topology map having a highest semantic matching degree to the question as a query graph of the question from the N network topology maps. According to the technology of the present disclosure, the query graph of the question can be obtained more accurately, and the accuracy of the question to the query graph is improved, thereby improving the accuracy of question analysis.

Abstract: Disclosed are combination therapies comprising administration of a CD73 inhibitor and an adenosine A2A or A2B receptor inhibitor. The disclosed combination therapies are useful in the treatment of diseases related to the activity of adenosine receptors and/or CD73 including, for example, cancer, inflammatory diseases, cardiovascular diseases, and neurodegenerative diseases. Anti-CD73 antibodies and A2A/A2B inhibitors are also disclosed.

Abstract: An atomization device, a method for controlling the atomization device, and a non-transitory computer-readable storage medium are provided. The method is applicable to the atomization device. The atomization device includes a display module and an inhalation detection module. The display module has m operating modes, where m?2. The method for controlling the atomization device includes the following. Detect, by the inhalation detection module, an inhalation of a user, and determine a corresponding inhalation parameter according to the inhalation of the user, where the inhalation parameter includes at least one of a number of inhalations in a preset statistical period, a duration of each inhalation, or a total number of inhalations. Control, according to the inhalation parameter, the display module to perform display in a corresponding operating mode.