Abstract: Disclosed are a polyvinyl alcohol film and a preparation method therefor. The saturated water absorption of the amorphous structure in the polyvinyl alcohol film is x, the water absorption increased due to destruction of the crystal surface defect structure in the polyvinyl alcohol film is y, and x/(x+y) is 0.82 to 0.93. The polyvinyl alcohol film has a softening point of 65° C. to 75° C., and a degree of swelling of 180% to 220%.

Abstract: A refrigerator, comprising a refrigerator body, a front side of which opens to define a first chamber; a door body, comprising a main door and a secondary door, the main door being used to open/close the first chamber and defining a second chamber, and the secondary door being used to open/close the second chamber; and a semiconductor refrigeration component, comprising a cold end and a hot end, and configured to enable the cold end to provide cold energy to the second chamber. According to the refrigerator of the present invention, the temperature inside the chamber in the door body can be independently controlled.

Abstract: The present disclosure provides AR glasses, an audio enhancing method and device therefor, as well as a readable storage medium. The audio enhancing method for AR glasses worn by a user in a surrounding environment includes: detecting a distribution of sound sources in the surrounding environment using a microphone array; marking a position of each sound source in the distribution of sound sources on lenses of the AR glasses; locking onto one of the distribution of sound sources as target sound source based on an eye gazing direction of the user; extracting and enhancing an audio component associated with a voiceprint characteristic of the target sound source from an audio signal received by the microphone array, configures to obtain an enhanced audio signal; and outputting the enhanced audio signal to the user through an in-ear headphone.

Abstract: Provided is a real-time multi-modal artificial intelligence agent. In some implementations, the multi-modal agent can be implemented as a “situated agent”. The term situated agent refers to a setting in which the agent shares one or more perceptual inputs with a human user. For example, the situated agent can receive and process various data inputs, including video, audio, and/or textual data which are also observable by the human user. The agent can process these inputs to generate responses that are contextually-relevant for the user's physical or digital environment, for example enabling the agent to generate dialogue or other responses or outputs which assist the user in understanding and/or navigating the environment.

Abstract: An example method includes receiving a request for a transaction; associating the request with a user; receiving, from the user, identification information; retrieving, from a database, first stored authentication information associated with the user; retrieving, from a distributed ledger, second stored authentication information associated with the user; and determining that the received authentication information matches the first stored authentication details and the second stored authentication details and, in response, outputting, by the computing system, a proof of authentication to enable the transaction.

Abstract: A refrigerator comprises: a refrigerator body having an open front side to define a first chamber; and a door body used to open or close the first chamber and defining a second chamber. The door body further defines a square annular air duct surrounding an outer side of the second chamber. The air duct comprises an air inlet section, two air supply sections and an air outlet section which are respectively located at an upper side, two transverse sides and a lower side of the second chamber. The air inlet section has an air inlet for intake of cold air. Each air supply section has an air supply portion for supplying the cold air to the second chamber. The air outlet section has an air outlet for discharging the remaining cold air in the air duct. The temperature in the chamber defined by the door body can be independently controlled.

Abstract: A refrigerator having a storage space formed on a door body. The refrigerator comprises: a refrigerator body in which at least a first storage space is defined, the first storage space having a forward opening; an inner-layer door pivotally provided on the front portion of the forward opening and comprising a storage container body defining a second storage space, the side of the storage container body facing the forward opening being provided with an air supply port used for introducing low-temperature air in the first storage space into the second storage space; a sterilization module provided at the air supply port and performing sterilization on passing air; an inner-layer door frame provided on the periphery of the storage container body; and an outer-layer door pivotally provided on the side of the inner-layer door frame away from the refrigerator body.

Abstract: A refrigerator door with a replaceable door surface includes a foamed door body and a decorative door plate. A rear side of the decorative door plate is provided with a mater; a front side of the foamed door body is provided with a magnetic lock catch, which comprises a plurality of balls. By clamping the mater on the rear side of the decorative door plate by the plurality of balls of the magnetic lock catch in the foamed door body, the displacement of the decorative door plate in the front-rear direction is limited. In addition, the unlocking magnetic buckle is provided to repel with the magnetic ring, such that a locking relationship between the plurality of balls and the mater is released, thereby achieving the effect of quickly disassembling and installing the decorative door plate.

Abstract: The present disclosure relates to an information display method, an apparatus, a medium, an electronic device and a program product. The method includes: displaying charts corresponding to different channel scenarios in response to a trigger operation for conversion analysis of a target business in an information display page; where the target business includes a plurality of business process nodes, and a chart corresponding to a channel scenario includes a maximum churn rate among all business process nodes in the channel scenario determined based on data corresponding to the channel scenario. The displayed chart includes the maximum churn rate among all the business process nodes in the channel scenario determined based on the data corresponding to the channel scenario.

Abstract: Disclosed in the embodiments of the present disclosure are a video generation method, an apparatus, an electronic device and a storage medium. The method comprises: during an image editing process of subjecting an initial image to a series of image editing operations to obtain a target image, acquiring initial key frames, the initial key frames being intermediate images between the initial image and the target image during the image editing process, the different initial key frames being intermediate images generated when different image editing operations of the series of image editing operations are triggered during the image editing process, and the intermediate images showing editing effects corresponding to the image editing operations; and generating a target video according to the initial key frames so as to record the image editing process of the target image. The present disclosure can be used for recording an image editing process.

Abstract: Provided are a reinforcement learning method and system based on sequential decision-making, a device, and a medium. The method includes: preprocessing historical trajectory data of reinforcement learning to generate preprocessed historical trajectory data to train a Transformer network model, and transforming the reinforcement learning into a language conversion model task by using a text conversion mechanism in the Transformer network model, to generate a trained Transformer network model, where the Transformer network model is used to predict action information at a next time point in a historical environment, and determine a maximum target reward value in a historical environmental state to obtain a complete trajectory in the historical environmental state; and predicting action information at the next time point in a real environmental state by using the trained Transformer network model, to obtain a complete trajectory in the real environmental state.

Abstract: An anitrogen-containing multicomponent copolymer is provided, and includes at least two of a chain segment I, a chain segment II, and a chain segment III. A structural formula of the chain segment I is represented by where Ar1 is an aryl structural unit. A structural formula of the chain segment II is represented by where Ar2 is an aryl structural unit. A structural formula of the chain segment III is represented by where Ar3 is an aryl structural unit.

Abstract: Disclosed is a method of preparing a sulfonate group-based anion resin including: performing a quaternization reaction between a nitrogen-containing compound and a quaternizing agent comprising a sulfonate compound at a temperature of 25C° to 120° C. for 3 to 72 hours to obtain the sulfonate group-based anion resin.

Abstract: The present disclosure provide a nitrogen-containing compound, which includes a segment I with a formula of wherein a represents number of methylene groups, a is a positive integer, Ar1 is an aryl structural unit, and R1 and R2 are each independently selected from H, a hydrocarbyl group, or a substituted hydrocarbyl group, or, R1 and R2 are connected and form a poly-membered ring together with a N atom to which they are connected.

Abstract: An example method includes receiving a request for a transaction; associating the request with a user; receiving, from the user, identification information; retrieving, from a database, first stored authentication information associated with the user; retrieving, from a distributed ledger, second stored authentication information associated with the user; and determining that the received authentication information matches the first stored authentication details and the second stored authentication details and, in response, outputting, by the computing system, a proof of authentication to enable the transaction.

Abstract: A control method for a refrigerator and a computer storage medium are provided. The refrigerator comprises a refrigerator body defining a first chamber and a door body that comprises a main door defining a second chamber, and a secondary door; a rear wall of the main door is provided with an air supply port formed thereon and a condensation removal air channel defined therein; a plurality of condensation removal holes are formed on the front surface of the rear wall. The control method comprises: acquiring an air relative humidity ? of the second chamber; acquiring an air relative humidity threshold ?0; comparing ? with ?0; if ???0, closing the condensation removal air channel, and opening the air supply port; and if ?>?0, closing the air supply port, and opening the condensation removal air channel to operate a condensation removal mode.

Abstract: The present invention provides a refrigerator door with a replaceable door panel, comprising: a foam door body, and a door panel detachably connected with the foam door body; the foam door body comprises: a foam main body, and a hook-catching portion embedded from a front surface of the foam main body; the door panel comprises a door panel face and a hook disposed in engagement with the hook-catching portion; the hook-catching portion comprises a first groove formed by recessing from the front surface of the foam main body towards an interior of the foam main body, where a first sliding groove disposed inclinedly and a second sliding groove connected to the first sliding groove are formed in the first groove; the hook comprises: a first sliding rod and a second sliding rod that engage the first sliding groove and the second sliding groove, respectively.

Abstract: The present invention provides a vacuum storage device and a refrigerator. The vacuum storage device comprises a housing, a cover, an evacuation assembly, a pressure relief assembly and an adjuster; the pressure relief assembly comprises a pressure relief hole, a sealing plug covering the pressure relief hole in a natural state, and a pressure relief element having a pressure relief slider; the adjuster drives the pressure relief slider to get close to or away from the sealing plug without being affected by an external force. The structure is simple and the sealing effect is better.

Abstract: A refrigerator and a control method therefor are provided. The refrigerator comprises a refrigerator body defining a first chamber, and a door body that comprises a main door defining a second chamber, and a secondary door; and the rear side of the main door is provided with an air supply port for introducing cold air in the first chamber into the second chamber. The control method comprises: acquiring an absolute air humidity ?1 of the first chamber and an air temperature T2 of the second chamber; calculating an expected relative humidity ?3 of air in the first chamber when the temperature changes to T2 according to ?1 and T2; determining a relative air humidity critical value ?0; comparing ?3 with ?0; and if ?3<?0, making the air supply port supply air to the second chamber, otherwise, making the air supply port stop supplying air to the second chamber.

Abstract: A refrigerator, comprising: a refrigerator body having an open front side to define a first compartment; a primary door mounted to the refrigerator body and used for opening/closing the first compartment, the primary door defining a second compartment having an open front side; and a secondary door mounted to the primary door and used for opening/closing the second compartment, the secondary door comprising a state adjustable door panel, and the state adjustable door panel being configured to controllably change transparency such that the visibility of an internal structure of the second compartment is adjustable. According to the refrigerator of the present invention, the frequency of opening the secondary door can be effectively reduced, the product high-tech element is added, and the user experience is improved.