Abstract: A method for determining a regulation range of pumping power of a three-machine pumped storage unit is provided. The method includes: obtaining a first parameter set of pumping measurement parameters for characterizing the three-machine pumped storage unit and determining a pumping process efficiency; determining a first relational expression based on the pumping process efficiency and a design efficiency of a pumped storage power station and establishing a second relational expression; and determining a third relational expression based on power absorbed by a power grid and the second relational expression and determining a fourth relational expression, where the fourth relational expression reflects the regulation range of the pumping power of the three-machine pumped storage unit. The method for determining the regulation range of the pumping power of the three-machine pumped storage unit is proposed according to unit characteristics and operating economy of the power station.

Abstract: The devices, systems, and methods can overcome the impact of scan protocols on experimental measurements to reconstruct the CEST equilibrium effect and can therefore improve the quantification of the underlying CEST contrast mechanism. The methods may include determining a spinlock relaxation rate for each RF offset for at least the first signal average so that the normalized spectrum for each RF offset and each slice first signal average corresponds to at least each transient state associated with each saturated slice readout normalized by at least each control state associated with each control slice readout based on the spinlock relaxation rate. The method may further include reconstructing CEST equilibrium effect for each RF offset using the respective spinlock relaxation rate for the RF offset. The method may include determining one or more quantitative information using the CEST equilibrium effect.

Abstract: Embodiments of the present invention relate to the field of communications methods and technologies, and in particular, to a transmission method and apparatus. The transmission method includes: generating, by a first device, a sequence based on one or more transmission parameters, where the one or more transmission parameters include at least one of the following: a time domain resource type, transmission waveform indication information, subcarrier spacing indication information, device type information, service type indication information, multiple-input multiple-output MIMO parameter information, duplex mode indication information, control channel format indication information, and transmission carrier indication information; generating to-be-transmitted information by using the sequence; and sending the to-be-transmitted information. According to the transmission method and apparatus in the embodiments of the present invention, a new transmission error check mechanism is provided.

Abstract: Systems and methods for image processing are described. Embodiments of the present disclosure receive an image having a plurality of object instances; encode the image to obtain image features; decode the image features to obtain object features; generate object detection information based on the object features using an object detection branch, wherein the object detection branch is trained based on a first training set using a detection loss; generate semantic segmentation information based on the object features using a semantic segmentation branch, wherein the semantic segmentation branch is trained based on a second training set different from the first training set using a semantic segmentation loss; and combine the object detection information and the semantic segmentation information to obtain panoptic segmentation information that indicates which pixels of the image correspond to each of the plurality of object instances.

Abstract: An efficient virus based wet biomass lipid extraction system is disclosed herein. The system includes a microalgal biomass which is inoculated with a matched algal virus. The biomass is then incubated under conditions resulting in the algal virus infecting the algae cells and proliferating to the point that the algae cells are disrupted. This releases lipids such that they may be collected by conventional techniques, including solvent extraction. In an exemplary embodiment, the microalgal biomass comprises Chlorella sp, and the virus was Chlorovirus Paramecium bursaria chlorella virus (PBCV-1).

Abstract: Disclosed herein are a method and a device for remotely diagnosing vehicle faults, a vehicle and a computer storage medium. The method includes monitoring vehicle data uploaded by the vehicle in real time via a cloud platform, and determining whether to identify a preset fault abnormal signal identification from target data of the vehicle data. The method also includes, in response to the fault abnormal signal identification being identified from the target data, sending a fault diagnosis task to the vehicle according to the target data, and receiving diagnosis result data returned by the vehicle after the fault diagnosis task is executed locally by the vehicle. The method further includes generating a remote fault diagnosis result of the vehicle according to the vehicle data and the diagnosis result data.

Abstract: Disclosed herein are a vehicle thermal runaway warning method, device, electronic equipment and readable storage medium. The method of vehicle thermal runaway warning includes obtaining operating data of a vehicle, the operating data including a plurality of cell voltage data of a battery pack in the vehicle, and dividing time windows for the plurality of cell voltage data according to a collection timing of the operating data. The method also includes extracting cell voltage characteristics from a partial cell voltage data corresponding to each of the divided time windows. The method further includes, in response to each cell voltage characteristic meeting a preset voltage warning condition, determining that the vehicle has a risk of thermal runaway, and controlling the vehicle to output thermal runaway warning information.

Abstract: A method for gesture control and related devices are provided. Whether a first indication field is in an initialization state is determined. If the first indication field is in the initialization state, the first indication field is set according to a collected control action. If the first indication field is not in the initialization state, a second indication field is set according to a collected gesture action B1. When the gesture action B1 and the control action meet an association relationship, a target operation instruction is determined according to the first indication field and the second indication field, the target operation instruction is executed, the second indication field is reset, and the method for gesture control is repeatedly executed.

Abstract: A graphic code display method, a device, a terminal, and a storage medium are provided, belonging to the mobile payment field. An example method comprises: identifying an action, in an unlocked state, based on sensor data collected by a sensor; capturing an image by camera, in response to an identified pre-action, the pre-action being the action prior to displaying the graphic code to a code scanning device; detecting the code scanning device in the captured image to acquire detection result; and displaying the graphic code, in response to the detection result indicating that the image contains the code scanning device. A user only needs to show the pre-action for displaying a graphic code, and mobile terminal may automatically trigger to display the graphic code, without pre-opening an application and a graphic code display function, simplifying the graphic code display process.

Abstract: A method for gesture control is provided. Contents of a first page are displayed on a current interface of a screen of a local device. Whether a gesture action A1 of a user is detected is determined. When no gesture action A1 is detected, detect the gesture action A1. When the gesture action A1 is detected, display gesture information and/or instruction information associated with the gesture action A1, detect a gesture action B1 of the user, execute a preset operation on the contents of the first page according to the gesture action A1 and the gesture action B1, reset the gesture action B1, and return to determining whether the gesture action A1 of the user is detected, where the gesture information is visualization information of hand movement of the gesture action A1, and the instruction information is visualization information of a reference operation instruction associated with the gesture action A1.

Abstract: Disclosed are a consistency evaluation method for a vehicle battery cell, a device, an equipment, and a storage medium. The method includes: acquiring vehicle operation data, and selecting effective cell data in the vehicle operation data according to a preset effective data standard; processing the effective cell data according to a preset cell consistency index processing method to obtain cell consistency index data; determining a total index deviation value of all battery cells in the current vehicle according to the cell consistency index data; and if the total index deviation value exceeds a preset deviation threshold, determining a consistency risk of the current vehicle.

Abstract: Disclosed are a method and a device for predicting state of health of a battery, an electronic equipment and a readable storage medium. The method includes: obtaining battery data of a vehicle; performing feature extraction on the battery data to obtain a vehicle-using behavior feature corresponding to the vehicle; predicting and obtaining a predicted vehicle-using behavior feature of the vehicle in a next time step according to the vehicle-using behavior feature; and predicting and obtaining a health degree of the battery in the vehicle according to the predicted vehicle-using behavior feature and a battery health state prediction model.

Abstract: The present disclosure provides a parameter design and numerical simulation method for jet trencher nozzle, comprising the following steps: S1. designing parameters of nozzle; S2. selecting the parameters of nozzle; S3. establishing a geometric model; S4. setting boundary conditions and delineating grids; S5. performing numerical simulation using Flow-3D; and S6. performing results processing and analysis. According to the present invention, the whole process of nozzle flushing and ground breaking can be simulated, the size of the cross-section of the flushing trench is measured, and by analyzing the obtained result, the reasonability of nozzle radius parameter design can be verified, and a certain reference is provided for design of inclination angle parameters.

Abstract: The present disclosure discloses a method of ship ice resistance model experiment based on non-refrigerated model ice, including the following steps: determining the overall length L1, breadth B and scale ratio ? of a selected ship model; determining the size A1 of an experimental area for placing broken ice in the ship ice resistance model experiment; determining the characteristic length of model ice; determining the quantitative proportion of the model ice for each size under the target coverage ratio c of the model; obtaining the number of the model ice for each size under the target coverage ratio according to the quantitative proportion of the model ice for each size under the target coverage ratio c and the total area A2 of the model ice; determining the geometrical shape and parameters of each size under the target coverage ratio c of the model ice.

Abstract: A downhole-to-ground logging communication and control apparatus is disclosed, which includes a ground portion (10) and a downhole portion (20), the ground portion (10) is provided with an atomic magnetometer receiving apparatus (1) and a quantum detection device (2) from which quantum data is read, the downhole portion (20) includes an electromagnetic wave transmission system (3) configured for encoding a signal detected from a downhole and transmitting the signal through an electromagnetic wave. The apparatus has the characteristics of high detection sensitivity, wide operation temperature range, low operation energy consumption, small occupied volume, large channel width, high transmission rate and low cost, and has obvious advantages in terms of wireless transmission of downhole-to-ground data communication.

Abstract: An aspect of the invention provides a method for determining at least one internal quality attribute of an article (102) of in agricultural produce.

Abstract: An aspect of the invention provides a method for determining at least one internal quality attribute of an article (102) of agricultural produce.

Abstract: A method for gesture control and related devices are provided. Whether a first indication field is in an initialization state is determined. If the first indication field is in the initialization state, the first indication field is set according to a collected control action. If the first indication field is not in the initialization state, a second indication field is set according to a collected gesture action B1. When the gesture action B1 and the control action meet an association relationship, a target operation instruction is determined according to the first indication field and the second indication field, the target operation instruction is executed, the second indication field is reset, and the method for gesture control is repeatedly executed.

Abstract: An improved modal decomposition method applicable to the analysis and reconstruction of the measured flow fields of internal solitary waves includes the following steps: S1. generating internal solitary waves and measuring a two-dimensional flow field sequence during the interaction of the internal solitary waves with the terrain; S2. extracting a target information from the two-dimensional flow field sequence and obtaining a flow field snapshot; S3. stitching the snapshots into a snapshot matrix in time order; S4. plotting the information density curve; S5. normalizing the information density curve and determining split points; S6. setting the snapshot matrix between two adjacent split points as a linear evolutionary characteristic stage; and S7. performing dynamic mode decomposition on the linear evolutionary characteristic stages.