Abstract: An imaging method may include obtaining imaging data associated with a region of interest (ROI) of an object. The imaging data may correspond to a plurality of time-series images of the ROI. The imaging method may also include determining, based on the imaging data, a data set including a spatial basis and one or more temporal bases. The spatial basis may include spatial information of the imaging data. The one or more temporal bases may include temporal information of the imaging data. The imaging method may also include storing, in a storage medium, the spatial basis and the one or more temporal bases.

Abstract: A method for magnetic resonance imaging (MRI) may include obtaining imaging signals related to a region of interest (ROI) of a subject. The method may also include selecting a portion of the imaging signals as auxiliary signals associated with at least one temporal dimension of the ROI. The method may also include generating at least one target image associated with the at least one temporal dimension of the ROI based on the imaging signals and the auxiliary signals.

Abstract: A system and method for MRI are provided. An initial spatial factor may be based on first MRI signals collected in a first imaging stage of an MRI scan of a subject. Second MRI signals collected during a second imaging stage of the MRI scan after the first imaging stage may be obtained. Temporal factors or/and updated spatial factors may be determined. Each of the temporal factors may be determined based on the second MRI signals collected before the determination of the temporal factor. Each of the updated spatial factors may be determined based on the second MRI signals collected before the determination of the updated spatial factor. Real-time MRI images within the second imaging stage may be generated. Each of the real-time MRI images may be generated based on the latest determined temporal factor and one of the initial spatial factor or the latest determined spatial factor.

Abstract: An evaluation method of mixing uniformity of composite powder includes: determining raw materials of composite powder to be evaluated and mass ratio; mixing to obtain multiple standard composite powder with different mixing time; determining flow energy of each standard composite powder; analyzing the flow energy of multiple standard composite powders by significant difference method, determining at least 3 consecutive standard composite powders with no significant difference in flow energy according to mixing time from small to large, defining as uniform-mixed standard composite powder, calculating average value of flow energy of uniform-mixed standard composite powder, and recording as standard flow energy TFEs; determining the flow energy of composite powder to be evaluated, calculating percentage difference P·Vds between TFEd and TFEs, and evaluating mixing uniformity of composite powder according to P·Vds.

Abstract: Disclosed herein are a flexible textile-based silver electrode and a sweat-activated battery. Also disclosed herein is a method of making the flexible textile-based silver electrode by providing a composite material comprising a flexible textile substrate and a polymeric silver electrode wire, and bringing the composite material into contact with an aqueous solution comprising a non-toxic chloride salt and an organic acid for a period of time, wherein the electrode wire comprising an elastomeric material and silver flakes homogeneously distributed throughout the elastomeric material.

Abstract: Provided are a salt of an arylaminoquinazoline-containing compound as shown in formula 2, a solvate or hydrate thereof, a preparation method therefor and the use thereof. The prepared salt has good crystallinity, and compared to a compound in a free form, the water solubility is significantly improved, and preferably, the salt form and crystal form can stably exist. Therefore, compared to a compound in a free form or other salts, the salt has better druggability.

Abstract: An evaluation method of mixing uniformity of composite powder includes: determining raw materials of composite powder to be evaluated and mass ratio; mixing to obtain multiple standard composite powder with different mixing time; determining flow energy of each standard composite powder; analyzing the flow energy of multiple standard composite powders by significant difference method, determining at least 3 consecutive standard composite powders with no significant difference in flow energy according to mixing time from small to large, defining as uniform-mixed standard composite powder, calculating average value of flow energy of uniform-mixed standard composite powder, and recording as standard flow energy TFEs; determining the flow energy of composite powder to be evaluated, calculating percentage difference P·Vds between TFEd and TFEs, and evaluating mixing uniformity of composite powder according to P·Vds.

Abstract: Disclosed in the present invention is a multi-operator direct payment system of a public operating service platform for electric vehicles, which belongs to the technical field of electric vehicle operation. The multi-operator direct payment refers to a payment method for the operators where the platform is hosted for the multiple operators. The multi-operator direct payment allows the payment to be directly paid to the actual charging account of the operators through dynamically-targeted payment techniques, without the need for secondary clearing and settlement, which also improves the timeliness of fund arrival, further achieves and promotes the interconnection among the multiple operators. In the traditional operating mode, the money firstly arrives at the platform and is then transferred to the operators, causing the problems of slow fund arrival, extra fees for transfer, and being not subject to the operators' control.