Abstract: The present disclosure relates to an EP300/CBP modulator represented by formula I, a preparation method therefor and use thereof.

Abstract: A system for processing a quantum task, a method, a device and a storage medium are provided. The system includes: a user terminal, configured to acquire basic measurement and control parameters of a superconducting quantum computer, generate a quantum task consisting of a quantum pulse and a quantum pulse gate based on the basic measurement and control parameters and an intended task purpose, and send the quantum task to a quantum hardware client; the quantum hardware client, configured to parse the quantum task into a queue of quantum pulses arranged in a time sequence, and send the queue of quantum pulses to the superconducting quantum computer; and the superconducting quantum computer, configured to execute quantum pulse instructions in the queue of quantum pulses in the time sequence, and return an obtained task result to the user terminal.

Abstract: The invention belongs to the technical field of medicine, and particularly relates to nucleoside drugs for the treatment or prevention of coronavirus infection and uses thereof. The present invention also relates to a method for preparing prodrugs of a nucleoside drug. The nucleoside drugs of formula (I) or (II) disclosed herein are more suitable for oral administration to subjects in need as compared to other nucleoside drugs, such as remdesivir for injection.

Abstract: In ore aspect, a method is provided or braking a work vehicle including an engine and a hydrostatic drive system including a hydraulic pump configured to be rotationally driven by the engine and a hydraulic motor fluidly coupled with the hydraulic pump through a closed hydraulic loop of the hydrostatic drive system. The hydraulic pump may be configured to fluidly drive the hydraulic motor. The method may include receiving an operator request to reduce a ground speed of the work vehicle. The method may include monitoring a fluid temperature of a hydraulic fluid associated with the closed hydraulic loop and automatically controlling at least one of a pump displacement of the hydraulic pump or a motor displacement of the hydraulic motor based on the operator request and the monitored fluid temperature to adjust hydrostatic braking of the work vehicle and thereby reduce the ground speed of the work vehicle.

Abstract: In one embodiment, a method includes receiving a user input corresponding to a task from a first user at a client system, determining that executing the task is to be triggered by client-side events being satisfied and server-side events being satisfied, determining that the client-side events are satisfied, sending a first indication that the client-side events are satisfied from the client system to a remote server, wherein the first indication comprises no privacy-sensitive information regarding the client-side events, receiving a second indication of the server-side events being satisfied at the client system from the remote server, and executing the task.

Abstract: A ground fault circuit interrupter is provided, including a main control chip, a tripping unit and a self-test detection unit, wherein the tripping unit is connected with the self-test detection unit at a detection point and coupled with a load circuit; the self-test detection unit is coupled with the main control chip, and configured to detect a signal at the detection point and output the signal to the main control chip; the main control chip is coupled with the self-test detection unit, and configured to in a self-test state, simulate a circuit fault, perform self-test, and determine whether the circuit fault could be detected and an alarm signal response to the circuit fault is generated, based on the signal. A self-test function and alarm function response to a circuit fault in a ground fault circuit interrupter can be tested during a final test of production.

Abstract: A method of processing a quantum circuit, an electronic device, and a storage medium. A specific implementation solution includes: determining a program logic graph of the quantum circuit, wherein the program logic graph indicates a plurality of logic bits and a logic relationship between the plurality of logic bits; mapping at least part of the plurality of logic bits to corresponding physical bits in a plurality of physical bits in the quantum circuit according to measurement fidelities of the plurality of physical bits and the logic relationship, so as to obtain an initial mapping relationship; and obtaining a target mapping relationship from the plurality of logic bits to the plurality of physical bits according to the initial mapping relationship and a chip coupling graph of the quantum circuit.

Abstract: A ground fault circuit interrupter is provided, including a sensor module, a leakage protection module, a self-test module and a tripping module. The sensor module is configured to generate a sensor current according to a detection signal. The leakage protection module is configured to: generate a trip driving signal in a detection stage according to the sensor current; and generate a trip driving signal in a non-detection stage after the self-test module has a fault. The self-test module is configured to generate the detection signal in the detection stage, and determine that the leakage protection module does not have a fault if the leakage protection module generates the trip driving signal. The tripping module is configured to respond to the trip driving signal generated in the non-detection stage to disconnect a load from a power supply circuit, and not respond to the trip driving signal generated in the detection stage.

Abstract: In one embodiment, a system includes an automatic speech recognition (ASR) module, a natural-language understanding (NLU) module, a dialog manager, one or more agents, an arbitrator, a delivery system, one or more processors, and a non-transitory memory coupled to the processors comprising instructions executable by the processors, the processors operable when executing the instructions to receive a user input, process the user input using the ASR module, the NLU module, the dialog manager, one or more of the agents, the arbitrator, and the delivery system, and provide a response to the user input.

Abstract: A processing method for a quantum circuit, an electronic device, and a storage medium are provided, and relates to the field of quantum computing, and in particular to the field of quantum circuit compilation. The method includes: acquiring a first measurement order of respective logical qubits in the quantum circuit; determining a physical qubit order corresponding to the first measurement order based on a target mapping relationship between the respective logical qubits and respective physical qubits in a chip coupling diagram, wherein the target mapping relationship is obtained by updating based on an initial mapping relationship between the respective logical qubits and the respective physical qubits; determining a second measurement order of the respective logical qubits of the quantum circuit based on the physical qubit order and the initial mapping relationship; and measuring the quantum circuit based on the second measurement order, to obtain a measurement result.

Abstract: A generative attribute optimization (“GAO”) system facilitates understanding of effects of changes of attribute values of an object on a characteristic of the object and automatically identifying attribute values to achieve a desired result for the characteristic. The GAO system trains a generator (encoder and decoder) using an attribute generative adversarial network. The GAO model includes the trained generator and a separately trained predictor model. The GAO model inputs an input image and modified attribute values and employs the encoder and the decoder to generate a modified image that is the input image modified based on the modified attribute values. The GAO model then employs the predictor model to that inputs the modified image and generate a prediction of a characteristic of the modified image. The GAO system may employ an optimizer to modify the attribute values until an objective based on the desired result is achieved.

Abstract: A method includes: obtaining a set of characterizing equations for a quantum gate to be benchmarked; in response to the set of characterizing equations including another quantum gate, determining whether the another quantum gate has been benchmarked as trusted; in response to the another quantum gate having been benchmarked as trusted, successively performing a quantum gate operation on each characterizing equation in the set of characterizing equations to obtain, for each characterizing equation, a corresponding measurement result; for each characterizing equation, determining whether the measurement result for the characterizing equation meets an expected result in the characterizing equation for characterization; and in response to the measurement results for each characterizing equation in the set of characterizing equations meeting the expected result, benchmarking the quantum gate to be benchmarked as trusted.

Abstract: Provided are a quantum pulse determining method, apparatus, device and readable storage medium, where basic pulses corresponding to basic logic gates are set in advance, the method including: when manipulating a qubit according to a quantum logic gate, splitting the quantum logic gate to obtain sub-logic gates; and searching for sub-pulses corresponding to the sub-logic gates among the basic pulses, and manipulating the qubit according to the sub-pulse. Basic pulses are set in advance in the method, apparatus, device and readable storage medium provided by the embodiments. When a qubit is to be manipulated, the quantum logic gate can be split into multiple sub-logic gates, and then sub-pulses corresponding to the sub-logic gates are searched for among the basic pulses. Thus, sub-pulses read can be used directly to manipulate the qubit, avoiding the computing power consumed in generating pulses according to the quantum logic gate, thereby improving an operation speed.

Abstract: A control pulse generation method, a system, a device and a storage medium are provided, which are related to the field of quantum computing. The method includes: acquiring a system Hamiltonian; acquiring an initial control pulse of a quantum logic gate included in a parameterized quantum circuit to obtain an initial pulse sequence for a gate sequence formed for all the quantum logic gates in the parameterized quantum circuit, which is obtained through simulation based on the system Hamiltonian; acquiring system state information of the quantum system obtained after applying the initial pulse sequence to the target quantum hardware device; adjusting a parameter of the parameterized quantum circuit based on a relationship between the system state information and target state information needed to be achieved by the target quantum control task, to adjust a pulse parameter of the initial pulse sequence to obtain a target pulse sequence.

Abstract: Ground fault circuit interrupter is provided, including a transformer, a protection switch, a residual current protection control unit, a residual current simulation unit and a self-test unit, wherein the self-test unit is coupled with the line where the protection switch is located; in a self-test state, the self-test unit is configured to control the residual current simulation unit to generate a simulated residual current, detect a level change on the line where the protection switch is located, and control the protection switch to be disconnected from the residual current protection control unit or to make the line where the protection switch is located be conducted after a preset protection time period of receiving the residual current signal higher than a preset operating threshold. Improper actions of the ground fault circuit interrupter caused by a large electromotive force generated when a simulated residual current disappears are avoided.

Abstract: A ground fault circuit interrupter is provided, including a sensor module, a leakage protection module, a self-test module and a tripping module. The sensor module is configured to generate a sensor current according to a detection signal. The leakage protection module is configured to: generate a trip driving signal in a detection stage according to the sensor current; and generate a trip driving signal in a non-detection stage after the self-test module has a fault. The self-test module is configured to generate the detection signal in the detection stage, and determine that the leakage protection module does not have a fault if the leakage protection module generates the trip driving signal. The tripping module is configured to respond to the trip driving signal generated in the non-detection stage to disconnect a load from a power supply circuit, and not respond to the trip driving signal generated in the detection stage.

Abstract: A quantum circuit simulation method and device, an apparatus, and a storage medium are provided, which are related to a field of quantum simulation computation. The specific implementation is: obtaining, based on a quantum circuit containing n qubits, an n-order pure state corresponding to the quantum circuit; determining, based on the quantum circuit, a (k, k)-order gate tensor representing a quantum gate, on which a contraction processing is to be performed with the n-order state tensor; transforming the contraction processing between the n-order state tensor and the (k, k)-order gate tensor into a processing between matrices which can be expressed in a classic computer and reduce a computation amount in the classic computer, to obtain a processing result; and using the processing result as a result of the contraction processing between the n-order state tensor and the (k, k)-order gate tensor, to complete simulation of the quantum circuit.

Abstract: A generative attribute optimization (“GAO”) system facilitates understanding of effects of changes of attribute values of an object on a characteristic of the object and automatically identifying attribute values to achieve a desired result for the characteristic. The GAO system trains a generator (encoder and decoder) using an attribute generative adversarial network. The GAO model includes the trained generator and a separately trained predictor model. The GAO model inputs an input image and modified attribute values and employs the encoder and the decoder to generate a modified image that is the input image modified based on the modified attribute values. The GAO model then employs the predictor model to that inputs the modified image and generate a prediction of a characteristic of the modified image. The GAO system may employ an optimizer to modify the attribute values until an objective based on the desired result is achieved.

Abstract: The present disclosure relates to a method for determining a softening temperature of copper and copper alloy, including: selecting a plurality of samples of the same material, annealing the plurality of samples at different temperatures, air-cooling the plurality of samples; measuring the tensile strength of an original sample and the plurality of samples after the annealing; plotting a data of the measured tensile strength into a temperature-tensile strength curve; a temperature at which the tensile strength in the temperature-tensile strength curve drops to a certain value of an original sample tensile strength is the softening temperature of the material. The above technical solution in the present disclosure uses the tensile strength instead of hardness to measure the softening temperature. It can effectively improve the detection efficiency and reduce the cost, and can be widely used in determination of the softening temperature of fine materials of copper and copper alloy.

Abstract: Techniques for database versioning are described. In one embodiment, an apparatus may comprise a database change management component operative to compare a developer table to a reference table to determine a database change set, wherein both the developer table and the reference table are based on a target table; a database conflict management component operative to compare the database change set to the target table to determine a conflicting change set; and a user interface component operative to display the conflicting change set where the conflicting change set comprises one or more conflicting changes; and indicate a conflict-free change set where the conflicting change set is empty. Other embodiments are described and claimed.