Abstract: A hybrid cooling tray for a battery pack, the tray having: a base defining a first end and a second end that are lengthwise spaced apart from each other and a first side and a second side that are widthwise spaced apart from each other, and wherein the base defines an inner surface and an outer surface; wherein the inner surface defines a coolant channel having an upstream end configured to receive a coolant flow and a downstream end configured to discharge the coolant flow, wherein the coolant channel defines a first transverse side and a second transverse side that extend between the upstream and downstream ends, and turbulators are disposed within the coolant channel between the upstream and downstream ends and define one or more of projections out of the base and impressions into the base, and wherein: at least two of the turbulators have a differing size, shape, pitch, yaw or roll orientation relative to each other; or a turbulator density per square unit area of the coolant channel differs from the upst

Abstract: A fluid-solids contactor comprising an annular rotating fluidized bed and a method of using the same are disclosed. The fluid-solids contactor includes a vessel and a plurality feed inlets disposed thereon. The vessel comprises a stationary inner wall, an outer wall, and a chamber formed between the stationary inner wall and the outer wall. The feed inlets are configured to create an annular rotating bed with mixture of solids and a fluid when the solid particles and a fluid are fed into the chamber. The stationary inner wall of the vessel is permeable to the fluid such that the fluid from the chamber can be continuously withdrawn from the solids to the space within the stationary inner wall of the vessel.

Abstract: A fluid-solids contactor comprising an annular rotating fluidized bed and a method of using the same are disclosed. The fluid-solids contactor includes a vessel and a plurality feed inlets disposed thereon. The vessel comprises a stationary inner wall, an outer wall, and a chamber formed between the stationary inner wall and the outer wall. The feed inlets are configured to create an annular rotating bed with mixture of solids and a fluid when the solid particles and a fluid are fed into the chamber. The stationary inner wall of the vessel is permeable to the fluid such that the fluid from the chamber can be continuously withdrawn from the solids to the space within the stationary inner wall of the vessel.

Abstract: Disclosed herein are methods, systems, and media for automatically transferring resources in response to detecting a transfer-out. One of the methods comprises automatically generating a first request for acquiring a resource for a first resource space of a target application in response to detecting that a transfer-out from the first resource space has occurred, wherein the first resource space stores resources to be used by the target application; sending the first request to a managing device of the target application; receiving an allocation instruction from the managing device, wherein the allocation instruction is based on the first request, and wherein the allocation instruction comprises a first target resource; and transferring the first target resource to the first resource space of the target application according to the allocation instruction.

Abstract: A payment verification method includes: generating, by a payment collection device, verification information for a to-be-processed target payment transaction, and providing the verification information to a payment device; generating, by the payment device, payment information, and providing the payment information to the payment collection device, the payment information including payment account information and the verification information obtained from the payment collection device; after obtaining the payment information, performing, by the payment collection device, matching verification by using the verification information included in the payment information and the verification information locally generated; and if the matching verification succeeds, completing a payment request by using the account information included in the payment information.