Abstract: A clothes dryer includes a drum with a first flow path and a flow guiding component with a second flow path. These paths are fluidly connected. Positioned between the drum and component is a switching valve. This valve comprises an air-exchange chamber with a first and second chamber. The first chamber has a first inlet linked to the second flow path and a first outlet linked to the environment. The second chamber has an inlet connected to the environment and an outlet connected to the first flow path. A through hole exists between both chambers. The sealing assembly includes a driving member and two sealing members. The driver rotates the first sealing member, which can selectively cover the first outlet and through hole, while the second member can cover the second outlet.

Abstract: In an embodiment, a method for producing a polyolefin includes contacting a first composition and a second composition in in a line to form a third composition, wherein: the first composition comprises a contact product of a first catalyst, a second catalyst, a support, a first activator, and a diluent, wherein the mol ratio of second catalyst to first catalyst is from 60:40 to 40:60, the second composition comprises a contact product of the third catalyst, a second activator, and a second diluent, and the third composition comprises a mol ratio of the third catalyst to the second catalyst to the first catalyst of from 10:35:55 to 60:15:25, such as 30:20:30; introducing the third composition from the line into a gas-phase fluidized bed reactor; exposing the third composition to polymerization conditions; and obtaining a polyolefin.

Abstract: Embodiments of the present disclosure provide an effect display method, apparatus and device, a storage medium, and a product. The method includes: acquiring an effect trigger instruction, the effect trigger instruction corresponding to a first image frame in a streaming media content of a live stream room, and the effect trigger instruction also corresponding to first effect information; in response to the effect trigger instruction, determining target effect information according to the first effect information and a target object in the first image frame; and sending the target effect information to a first client device associated with the live stream room, so that the first client device displays an effect corresponding to the target effect information.

Abstract: An embodiment of this application provides a method and apparatus for testing control software, and a computer-readable storage medium to reduce the time consumed in the simulation-based debugging and enhance efficiency. The method may include obtaining test information of a plurality of fault signals; and injecting, based on the test information of the plurality of fault signals, the plurality of fault signals into a simulation environment in sequence to obtain test results of the plurality of fault signals handled by the control software, where the simulation environment may be a simulation environment of a control object of the control software.

Abstract: The present disclosure provides a computer-implemented method for encoding video. The method includes: receiving a video frame for processing; generating one or more coding units of the video frame; and processing one or more coding units using one or more palette predictors having palette entries, wherein each palette entry of the one or more palette predictors has a corresponding reuse flag, and wherein a number of reuse flags for each palette predictor is set to a fixed number for a corresponding coding unit.

Abstract: Provided are a determination method and apparatus of a main shaft bearing state, an electronic device, and a storage medium. The method includes the following steps: Bearing swing data of a target main shaft bearing at multiple moments within a preset time period are acquired; at least one current data period and current-period bearing swing data in each current data period are determined according to the multiple pieces of bearing swing data; a first abrupt change value and a second abrupt change value are determined according to the current-period bearing swing data in each current data period; and a main shaft bearing state of the target main shaft bearing is determined according to the first abrupt change value and the second abrupt change value.

Abstract: Systems and methods for evaluating risks for physical locations are disclosed. A request for risk evaluation of transactions associated with a physical location located within a predetermined region including a plurality of neighboring locations is received. A spatial model is implemented to generate a first risk score based on chargeback data associated with the physical location and chargeback data of the plurality of neighboring locations. A temporal model is implemented to generate a second risk score for the physical location. A final risk score for the physical location is generated based on the first risk score and the second risk score. The final risk score is transmitted to a computing device for detecting fraudulent transactions associated with the physical location in response to the request.

Abstract: In an embodiment, a method for producing a polyolefin is provided. The method includes: contacting a first composition and a second composition in a line to form a third composition, wherein: the first composition comprises a contact product of a first catalyst, a second catalyst, a support, and a diluent, wherein the mol ratio of second catalyst to first catalyst is from 60:40 to 40:60, the second composition comprises a contact product of the second catalyst and a second diluent; introducing the third composition from the line into a gas-phase fluidized bed reactor; exposing the third composition to polymerization conditions; and obtaining a polyolefin.

Abstract: A key updating method includes receiving, by a terminal, a key updating notification sent by an operation server, generating, by the terminal, a new private key and a new public key using a trusted execution environment (TEE) system of the terminal, storing the new private key in the TEE system, performing signature processing on the new public key using an upper-level private key of the new private key to obtain to-be-verified signature information, and sending, by the terminal to the operation server, a storage request carrying a device identifier of the terminal, the new public key, and the to-be-verified signature information.

Abstract: The present disclosure relates to supported catalyst systems for olefin polymerization, catalyst system precursors, methods of producing the precursors and catalyst systems and polyolefins formed from the catalyst systems.

Abstract: Polymerization processes. In some embodiments, the polymerization process can include introducing a carrier fluid, an olefin, and a catalyst feed into a polymerization reactor, wherein the catalyst feed comprises one or more catalysts, a carrier liquid and optionally an induced condensing agent. In some embodiments, a combined amount of the carrier liquid and any induced condensing agent in the catalyst feed is ?350 kg per mole of the one or more catalysts introduced into the polymerization reactor. The process can also include polymerizing the olefin in the presence of the catalyst within the polymerization reactor to produce a polymer product.

Abstract: Processing historical browsing content with an electronic device which can generate a first user operation page of a target application; in response to a historical reference operation triggered via the first user operation page, generate a browsing record page including a historical content area, one historical content area corresponding to one content type, and each historical content area including first content description information; and in response to a presenting operation for first content description information selected from the historical content area, generate target historical browsing content corresponding to the selected first content description information, and therefore the first content description information of the historical browsing content under each content type may be provided in a centralized mode through a browsing record page, so that content desired to be browsed again may be found in a short time, improving the search efficiency for the historical browsing content.

Abstract: This application relates to a communication method based on a virtual role interaction interface, including: displaying a virtual role interaction interface of a virtual role interaction application, the virtual role interaction interface including a target virtual role identifier; displaying an instant session message triggering control on the virtual role interaction interface in response to a trigger operation on the target virtual role identifier; displaying a message input interface in response to a trigger operation on the instant session message triggering control; and transmitting, to an instant messaging user account corresponding to the target virtual role identifier after a session message is inputted in the message input interface, the session message used for displaying on an instant messaging application.

Abstract: An antenna structure includes a metal housing, a first feed source, and a first radiator. The metal housing includes a front frame, a backboard, and a side frame. The side frame defines a slot and the front frame defines a gap. The metal housing is divided into at least a long portion and a short portion by the slot and the gap. The first radiator is positioned in the housing and includes a first radiating portion and a second radiating portion. One end of the first radiating portion is electrically connected to the first feed source and another end of the first radiating portion is spaced apart from the long portion. One end of the second radiating portion is electrically connected to the first feed source and another end of the second radiating portion is spaced apart from the short portion.

Abstract: Methods to produce heterogeneous polyethylene granules, the method including: contacting first olefin monomers and second olefin monomers with a catalyst system in a single reaction zone to produce heterogeneous polyethylene granules and recovering the heterogeneous polyethylene granules; wherein the catalyst system includes a product of a combination including: one or more catalysts having a Group 3 through Group 12 metal atom or lanthanide metal atom; at least one activator; and optionally, one or more support material compositions; and wherein the heterogeneous polyethylene granules include a product of a combination of: a first portion comprising a first polyethylene including the first olefin monomers and the second olefin monomers; a second portion including a second polyethylene including the first monomers and the second monomers; and wherein the first polyethylene has a higher second monomer weight percent than the second polyethylene, are provided.

Abstract: In an embodiment, a method for producing a polyolefin is provided. The method includes: contacting a first composition and a second composition in a line to form a third composition, wherein: the first composition comprises a contact product of a first catalyst, a second catalyst, a support, and a diluent, wherein the mol ratio of second catalyst to first catalyst is from 60:40 to 40:60, the second composition comprises a contact product of the second catalyst and a second diluent; introducing the third composition from the line into a gas-phase fluidized bed reactor; exposing the third composition to polymerization conditions; and obtaining a polyolefin.

Abstract: In an embodiment, a method for producing a polyolefin includes contacting a first composition and a second composition in in a line to form a third composition, wherein: the first composition comprises a contact product of a first catalyst, a second catalyst, a support, a first activator, and a diluent, wherein the mol ratio of second catalyst to first catalyst is from 60:40 to 40:60, the second composition comprises a contact product of the third catalyst, a second activator, and a second diluent, and the third composition comprises a mol ratio of the third catalyst to the second catalyst to the first catalyst of from 10:35:55 to 60:15:25, such as 30:20:30; introducing the third composition from the line into a gas-phase fluidized bed reactor; exposing the third composition to polymerization conditions; and obtaining a polyolefin.

Abstract: The present disclosure provides processes for polymerizing olefin(s). In at least one embodiment, a method for producing a polyolefin is provided. The method includes contacting a first composition and a second composition in a line to form a third composition. The first composition includes a contact product of a first catalyst, a second catalyst, a support, a first activator, and a diluent, and the mol ratio of first catalyst to second catalyst is from 90:10 to 40:60. The second composition includes a contact product of the second catalyst, a second activator, and a second diluent. The third composition includes a mol ratio of first catalyst to second catalyst of from 89:11 to 10:90. The method includes introducing the third composition from the line into a gas-phase fluidized bed reactor, exposing the third composition to polymerization conditions, and obtaining a polyolefin.

Abstract: An elongate medical device shaft may comprise an elongate body and an annular electrode disposed on the elongate body. The annular electrode may define a longitudinal axis and have an outer diameter. The outer diameter may be greater at an axial center of the electrode than at an axial end of the electrode. Additionally or alternatively, the elongate body may comprise three longitudinal sections having three wall thicknesses. The middle wall thickness may be less than the proximal and distal wall thicknesses and the distal wall thickness may be less than the proximal wall thickness. Additionally or alternatively, the shaft may comprise an inner cylindrical structure and an outer tube. The outer tube may comprise a first radial layer and a second radial layer that is radially-outward of the first radial layer, the first radial layer, second radial layer, and inner structure having different stiffnesses.

Abstract: A key updating method includes receiving, by a terminal, a key updating notification sent by an operation server, generating, by the terminal, a new private key and a new public key using a trusted execution environment (TEE) system of the terminal, storing the new private key in the TEE system, performing signature processing on the new public key using an upper-level private key of the new private key to obtain to-be-verified signature information, and sending, by the terminal to the operation server, a storage request carrying a device identifier of the terminal, the new public key, and the to-be-verified signature information.