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: 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.

Abstract: The present invention discloses a refrigerator door with a replaceable door surface, including: a foamed door body and a door shell plate; wherein a rear side of the door shell plate is provided with a hook; a front side of the foamed door body is provided with a press lock catch, which comprises a snap tab; and when the door shell plate is assembled on the front side of the foamed door body, the hook is snapped into the snap tab to limit the displacement of the door shell plate in a front-rear direction. In the present invention, the locking or unlocking between the hook and the snap tab is achieved by rotating the snap tab, which is rotatable in the press lock catch, between the first position and the second position, such that the door shell plate and the foamed door body are more convenient to assemble and disassemble.

Abstract: A refrigerator, comprising a refrigerator body, a main door arranged on an outer side of the refrigerator body, and a secondary door arranged on an outer side of the main door. A first magnet is arranged in an area of the refrigerator body opposite the main door, a second magnet is arranged in an area of the secondary door opposite the main door, and an electromagnetic assembly is arranged on the main door and configured to controllably or operably generate a magnetic attraction force for attracting the first magnet or a magnetic attraction force for attracting the second magnet. The magnetic attraction effect ensures that the door body, which does not need to be opened, will be in a closed state when a user opens the refrigerator.

Abstract: The disclosure provides a method, apparatus, terminal and storage medium for information processing. The method of information processing includes: in response to a first operation event on a first content in a content interface of a first document, creating first comment information of the first content in the content interface, and publishing the first comment information to a discussion interface, wherein the content interface and the discussion interface are different interfaces, and the discussion interface is configured to display information published by a current user and an associated user of the current user.

Abstract: A refrigerator, comprising a refrigerator body defining a first chamber and a door body. The door body comprises a main door for opening/closing the first chamber, and defining a second chamber, and a secondary door for opening/closing the second chamber. An air supply port for introducing air in the first chamber into the second chamber, and an air return port for returning air in the second chamber to the first chamber are provided on a rear wall of the main door. The second chamber is provided with a dry storage portion. The rear wall of the main door comprises a front shell and a rear shell with an air duct defined therebetween. The air duct introduces cold air prepared in the refrigerator, so that the cold air is condensed on an inner wall of the air duct, becomes dry gas, and then flows into the dry storage portion.

Abstract: A refrigerator, comprising a refrigerator body and a door body. The front side of the refrigerator body is open to define a first chamber. The door body comprises a main door and a secondary door, wherein the main door is used for opening or closing the first chamber and defining a second chamber; and the secondary door is used for opening or closing the second chamber. A rear wall of the main door is of a hollow structure to define an air duct, and a plurality of air diffusion micro-holes in communication with the second chamber and the air duct are backwards formed in a front surface of the rear wall. In addition, the refrigerator is configured such that cold air created by the refrigerator is introduced through the air duct, and the cold air enters the second chamber through the plurality of air diffusion micro-holes.

Abstract: A refrigerator and a glass door thereof. The glass door of the refrigerator comprises a glass plate body and an outer frame; the outer frame is configured to be hinged to a refrigerator body or a door body of the refrigerator; the outer frame extends along the edge of the glass plate body and is fixedly connected to the edge of the glass plate body; and the outer frame covers part of the edge of the glass plate body. The glass door has a lighter weight and a better appearance, and causes the overall thickness of the refrigerator having a composite door structure to be reduced.

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: The present invention encompasses antibodies and fragments thereof that bind to an extracellular domain of B7H3, and uses thereof.

Abstract: Provided by the present invention is a refrigerator door body, having a door lining and a storage device installed on the door lining. A hanging lug and a matching groove that match each other are provided between the door lining and the storage device, wherein a power supply module for supplying power to the storage device is provided between the hanging lug and the matching groove. The refrigerator door body also has a switch mechanism that controls the power supply module to turn on and off. The switch mechanism is configured to: turn on the power supply module for power supply when the storage device is installed on the door lining, and turn off the power supply module when the storage device is separated from a door lining installation position. The refrigerator door body of the present invention improves the safety of a user during use.

Abstract: This present invention provides anti-PD-1 polypeptides or fragments thereof. Further provided are methods of using the antibody or fragments thereof to treat and diagnose diseases such as cancer, infection or immune disorders.

Abstract: This present disclosure provides anti-TIGIT polypeptides or fragments thereof. Further provided are methods of using the antibody or fragments thereof to treat and diagnose diseases such as cancer, infection or immune disorders.