Abstract: Provided are an interaction method and apparatus, an electronic device, a storage medium, and a program product. The method includes displaying a gift panel in response to a gift panel display operation for a target object, where the gift panel is configured for a gifting user to select a recipient user corresponding to the target object, the gifting user includes a target user, and the target object is configured to establish, for the recipient user, a first association relationship between the recipient user and the target user; and sending a target gift request to a server in response to a gift operation acting in the gift panel.

Abstract: The present invention relates to application of gossypol and its optical isomers to preparation of an anti-Coronavirus drug. Specifically disclosed is application of pharmaceutically acceptable salts, solvates, isotopes, stereoisomers, stereoisomer mixtures, and tautomers of the gossypol and its optical isomers to preparation of a drug for preventing and/or treating a disease caused by a Coronavirus. The Coronavirus is MERS-CoV, SARS-CoV, or SARS-CoV-2. It is found in the present invention for the first time that the gossypol and its optical isomers can inhibit the activity of Coronavirus 3CL proteases to achieve an anti-Coronavirus effect. The half maximal inhibitory concentrations of gossypol and (?)-gossypol to SARS-CoV proteases and SARS-CoV-2 3CL proteases are all lower than 10 ?M. The anti-Coronavirus 3CL protease effect is good. Therefore, the gossypol and its optical isomers have the potential for use in the preparation of a drug for preventing and/or treating novel Coronavirus infections.

Abstract: The present disclosure provides an anode assembly for a lithium ion battery. The anode assembly comprises an anode, a ceramic separator, and an amorphous carbon coating. The anode comprises a first porous ceramic matrix having pores. The ceramic separator layer is coupled to the anode. The amorphous carbon coating is disposed at least partially on a surface of the first porous ceramic matrix. The present disclosure also provides a lithium-ion battery. The present disclosure further provides a method of forming an anode assembly for a lithium-ion battery.

Abstract: A method for detecting an internal-short-circuit in a battery. The method includes: obtaining a battery-charging standard parameter (S21); obtaining a voltage V0 of a battery when the battery enters a constant-current charging phase (S22); obtaining a voltage difference ?V generated across a charging time frame ?t during constant-current charging of the battery (S23); obtaining a charge current I when the battery has been charged for the time frame ?t (S24); determining an internal short circuit resistance Ri of the battery based on the battery-charging standard parameter, the voltage Vo, the voltage difference ?V, and the charge current I (S25); and determining, based on the internal short circuit resistance Ri of the battery, whether an internal short circuit exists in the battery (S26).

Abstract: A method for detecting internal short circuit of a battery, includes: discharging a battery with a first current I1 at a moment t1; calculating a first discharge voltage drop ?V1 of the battery at a moment t1+dt; discharging the battery with a second current I2 at a moment t2, where I1?I2; calculating a second discharge voltage drop ?V2 of the battery at a moment t2+dt; and determining, based on the first current I1, the first discharge voltage drop ?V1, the second current I2, and the second discharge voltage drop ?V2, whether the battery has an internal short circuit. In this application, whether the battery has an internal short circuit can be accurately determined, thereby ensuring safety of an electronic apparatus and a user.

Abstract: Disclosed is a method for preparing a brivaracetam intermediate shown in formula B-R, comprising: reacting a compound shown in formula B-P and a resolving agent to prepare a compound shown in formula B-Q; and converting the compound shown in formula B-Q into the brivaracetam intermediate shown in formula B-R, wherein the resolving agent is a (1S,2S)-(+)-1,2-diaminocyclohexane compound. Also provided is a method for preparing brivaracetam. According to the method, a mixture of two diastereoisomers of (S)-2-3-propylpyrrolidine-1-yl butyric acid can be conveniently and effectively resolved, and the use of a chiral HPLC column is avoided, thereby greatly shortening the process time, simplifying the operation, reducing the process cost, and facilitating industrial production and enviormental protection.

Abstract: The present disclosure describes various types of batteries, including lithium-ion batteries having an anode assembly comprising: an anode comprising a first porous ceramic matrix having pores; and a ceramic separator layer affixed directly or indirectly to the anode; a cathode; an anode-side current collector contacting the anode; and anode active material comprising lithium located within the pores or cathode active material located within the cathode; wherein, the ceramic separator layer is located between the anode and the cathode, no electrically conductive coating on the pores contacts the separator layer, and in a fully charged state, lithium active material in the anode does not contact the separator layer. Also disclosed are methods of making and methods of using such batteries.

Abstract: A method, system and device for active balance control of a battery pack are disclosed. The method includes: calculating a reference balance current ratio of a battery cell to a battery pack in each batch; calculating an actual balance current ratio of the battery cell to the battery pack at each moment in any batch; allowing the actual balance current ratio to track the reference balance current ratio of the corresponding batch in real time by executing a preset tracking algorithm; and performing balance control on the battery pack according to a tracking result. The system includes a first calculation module, a second calculation module, a tracking module, and a balance control module. The device includes a memory and a processor.

Abstract: The present disclosure describes various types of batteries, including lithium-ion batteries having an anode assembly comprising: an anode comprising a first porous ceramic matrix having pores; and a ceramic separator layer affixed directly or indirectly to the anode; a cathode; an anode-side current collector contacting the anode; and anode active material comprising lithium located within the pores or cathode active material located within the cathode; wherein, the ceramic separator layer is located between the anode and the cathode, no electrically conductive coating on the pores contacts the separator layer, and in a fully charged state, lithium active material in the anode does not contact the separator layer. Also disclosed are methods of making and methods of using such batteries.

Abstract: Provided is a system and method for generating an optimized 3D model. The system includes a processor for receiving a high-poly 3D model, wherein the processor is configured to: divide the high-poly 3D model into a plurality of subcomponents, approximate each subcomponent of the plurality of subcomponents by a geometric shape, adjust the geometric shape to conform to the subcomponent to the geometric shape, merge the adjusted geometric shapes to form a reduced 3D model, and texture map the reduced 3D model to provide texture of the high-poly 3D model to form the optimized 3D model. The system also includes a memory connected to the processor for storing the high-poly 3D model and the optimized 3D model and a 3D model display for displaying the optimized 3D model.

Abstract: Provided are solid-state hybrid electrolytes. The hybrid electrolytes have a polymeric material layer, which may be a polymer/copolymer layer or a gel polymer/copolymer layer, disposed on at least a portion of an exterior surface or all of the exterior surfaces of a solid-state electrolyte. A hybrid electrolyte can form an interface with an electrode of an ion-conducting battery that exhibits desirable properties. The solid-state electrolyte can comprise a monolithic SSE body, a mesoporous SSE body, or an inorganic SSE having fibers or strands, which may be aligned. In the case of solid-state electrolytes that have strands, the strands can be formed using a sacrificial template. The hybrid solid-state electrolytes can be used in ion-conducting batteries, which may be flexible, ion-conducting batteries.

Abstract: Provided are a method and device for determining a delivery region. The method comprises: acquiring, within a specified historical period, information of respective geographical locations to which goods have been properly delivered in a specified geographical region (201); mapping, to a grid-based map, the information of the respective geographical locations to which goods have been properly delivered to obtain a mapped map (202); determining, for each grid cell, a distance between said grid cell and a grid cell closest thereto in a geographical location to which goods have been properly delivered (203); performing clustering on grid cells having distances within a preset value range to obtain multiple delivery region units (204); and performing clustering on the multiple delivery region units to obtain at least one delivery region comprising the multiple delivery region units (205). The present solution improves efficiency of allocating delivery regions.

Abstract: A method, system and device for active balance control of a battery pack are disclosed. The method includes: calculating a reference balance current ratio of a battery cell to a battery pack in each batch; calculating an actual balance current ratio of the battery cell to the battery pack at each moment in any batch; allowing the actual balance current ratio to track the reference balance current ratio of the corresponding batch in real time by executing a preset tracking algorithm; and performing balance control on the battery pack according to a tracking result. The system includes a first calculation module, a second calculation module, a tracking module, and a balance control module. The device includes a memory and a processor.

Abstract: Cathode-electrolyte constructs, including such constructs in electrochemical systems, such as batteries are discussed. The cathode-electrolyte constructs can include a solid state electrolyte (SSE) and a cathode that includes particulate cathode material and the cathode conformally contacts the solid state electrolyte. Also discussed are methods of making cathode-electrolyte constructs and batteries.

Abstract: Three-Dimensional (3D) display device and method are disclosed. The device can include: a Light-Emitting Diode (LED) display, configured to display an image; a light path control structure including a multilayer pinhole type structure, configured to control emitting directions of light paths of the image to form 3D light field information, wherein multiple groups of pinhole arrays are arranged on each layer of the pinhole type structure; and a holographic function screen, configured to perform diffusion imaging on the 3D light field information to form a 3D image, wherein the LED display, the light path control structure and the holographic function screen are sequentially configured. The technical problems of the related art are solved.

Abstract: Method and device for managing cloud computing resources with an external account, the resources being associated with one or more internal main accounts. The method includes verifying an identity of the external account via a server, determining, if the identity of the external account is verified, whether a virtual sub-account is bound to the external account, the virtual sub-account being subordinate to an internal main account of the one or more internal main accounts, and allowing, if it is determined that the virtual sub-account is bound to the external account, the external account to manage the resources associated with the internal main account based on pre-configured rights of the virtual sub-account.

Abstract: Some embodiments of the disclosure disclose a Three-Dimensional (3D) display device and method, wherein the device can include: a Light-Emitting Diode (LED) display, configured to display an image; a light path control structure including a multilayer pinhole type structure, configured to control emitting directions of light paths of the image to form 3D light field information, wherein multiple groups of pinhole arrays are arranged on each layer of the pinhole type structure; and a holographic function screen, configured to perform diffusion imaging on the 3D light field information to form a 3D image, wherein the LED display, the light path control structure and the holographic function screen are sequentially configured. According to some embodiments of the disclosure, the technical problems of the related art are solved.

Abstract: Provided is a system and method for generating an optimized 3D model. The system includes a processor for receiving a high-poly 3D model, wherein the processor is configured to: divide the high-poly 3D model into a plurality of subcomponents, approximate each subcomponent of the plurality of subcomponents by a geometric shape, adjust the geometric shape to conform to the subcomponent to the geometric shape, merge the adjusted geometric shapes to form a reduced 3D model, and texture map the reduced 3D model to provide texture of the high-poly 3D model to form the optimized 3D model. The system also includes a memory connected to the processor for storing the high-poly 3D model and the optimized 3D model and a 3D model display for displaying the optimized 3D model.

Abstract: Method and device for managing cloud computing resources with an external account, the resources being associated with one or more internal main accounts. The method includes verifying an identity of the external account via a server, determining, if the identity of the external account is verified, whether a virtual sub-account is bound to the external account, the virtual sub-account being subordinate to an internal main account of the one or more internal main accounts, and allowing, if it is determined that the virtual sub-account is bound to the external account, the external account to manage the resources associated with the internal main account based on pre-configured rights of the virtual sub-account.