Abstract: A heat exchanger includes a fin set formed by a plurality of fins stacked together and a refrigerant pipe set passing through the fin set. The fin set includes a connection member, and a first fin member and a second fin member connected to each other via the connection member. An included angle between the first fin member and the second fin member is larger than zero. The first fin member and the second fin member are arranged at two sides, respectively, of a notch of the fin set. The notch is located at an air input side and/or an air output side of the connection member.

Abstract: Device discovery methods, a first device, and a non-transitory computer-readable storage medium are provided. The method is performed by the first device and includes: interacting with a second device by means of n management frames, at least one of the n management frames including a customized field, and n being a positive integer; and acquiring device information of the second device based on a customized field in a first management frame. The first management frame is a management frame transmitted by the second device to the first device among the at least one of the n management frames.

Abstract: The present application relates to an information processing method and an electronic device. The method includes: broadcasting a first management frame, wherein the first management frame is configured for discovering a second device failing to access a network; and receiving a second management frame sent by the second device. The second management frame is configured for indicating that the second device requests networking information of a target network. The networking information is configured for the second device to use to access the target network.

Abstract: A device network configuration method and a first device are provided. The method is performed by the first device. The first device interacts with a second device through n management frames, at least one of the n management frames includes a vendor specific field, and the n is a positive integer. The method includes: broadcasting a first management frame without disconnecting a current communication connection, a vendor specific field of the first management frame carrying networking information of a first network, the networking information of the first network being configured to configure the second device to access the first network.

Abstract: The present invention relates to a sealing foam, a respirator, and a method for manufacturing a sealing foam. The sealing foam includes: a main body part, the main body part being a porous foam; an air-proof film on a continuous surface; and an anchor layer, the anchor layer being continuously provided on the upper layer of the main body and provided between the air-proof film and the main body part, and the anchor layer being partially embedded in pores of the porous foam. The respirator includes a respirator main body and a sealing foam of the present invention. The method for manufacturing a sealing foam includes: providing a porous foam to prepare a main body part of a sealing foam, and providing an anchor layer and an air-proof film on the porous foam, so that the air-proof film is continuously provided on an upper surface of the main body part, wherein the anchor layer is provided between the air-proof film and the main body part, and is partially embedded in pores of the porous foam.

Abstract: The present invention relates to a sealing strip, a respirator, and a method for manufacturing a sealing strip. The sealing strip includes a main body part, the main body part having an upper surface, a lower surface, a first side surface, and a second side surface opposite to the first side surface. The main body part includes a curved surface part. The curved surface part includes a first convex part and a second convex part, and the first convex part and the second convex part are connected to each other in the lengthwise direction of the sealing strip to define a concave part located therebetween. The concave part is configured to accommodate the nose of a wearer. The first convex part and the second convex part are symmetrical about the concave part. A first side surface of the curved surface part is a sinusoidal curved surface with a constant amplitude extending in the lengthwise direction of the sealing strip.

Abstract: Disclosed in the present application are a device authentication method and an electronic device. The device authentication method includes: establishing a first connection based on a TLS protocol between the electronic device and a first server; sending a first request to the first server on the basis of the first connection, the first request being used to request for identity authentication of the electronic device and generated on the basis of first information which represents a digital certificate of the electronic device; and on the basis of the first connection, receiving first response information about the first request, the first response information being sent by the first server and carrying a result of the identity authentication of the electronic device, and the identity authentication being performed by the first server.

Abstract: A data exchange method is applied to a first electronic device and includes receiving a first message sent by a second electronic device, wherein the first message carries a first identifier, the first identifier is configured to identify a first transaction to which the first message belongs, an active transaction indicates a transaction initiated by the first electronic device, and a passive transaction indicates a transaction initiated by the second electronic device; in a case where a set bit indicates that the first transaction is the active transaction, feeding a processing result about the first transaction in the first message back to an application layer; and in a case where the set bit indicates that the first transaction is the passive transaction, requesting the application layer to output the processing result about the first transaction based on the first message.

Abstract: – A network connection method is performed by a terminal, and the method comprises: establishing a pre-connection with a to-be-accessed device, and the to-be-accessed device being a device to access network; generating a first key pair, and sending a first public key In the first key pair to the to-be-accessed device; generating a first shared key based on the first key pair and first key negotiation information corresponding to the to-be-accessed device; encrypting network configuration information of a network device by using the first shared key, to obtain encrypted network configuration information; and sending the encrypted network configuration information to the to-be-accessed device, to allow the to-be-accessed device to decrypt the encrypted network configuration information by a second shared key, and access the network device based on the decrypted network configuration information.

Abstract: An account binding method, a control device, and a smart device are provided. The method includes the following. A request message is received from a control device, where the request message is for requesting a first string. The first string is generated according to a preset rule, where the first string and a master account logged in the control device have a mapping relationship. The first string is sent to the control device, where the first string is transferred by the control device to a smart device in a preset manner, and the first string is for the server to verify, according to the mapping relationship, validity of establishing a binding relationship between the smart device and the master account.

Abstract: A control method and apparatus for of an Internet of Things device, and an electronic device (110) are provided. The method includes: sending an action call to the IoT device, wherein the action call includes a target service instance identification (siid), a target instance identification (iid), and a property parameter.

Abstract: A data exchange method is applied to a first electronic device and includes receiving a first message sent by a second electronic device, wherein the first message carries a first identifier, the first identifier is configured to identify a first transaction to which the first message belongs, an active transaction indicates a transaction initiated by the first electronic device, and a passive transaction indicates a transaction initiated by the second electronic device; in a case where a set bit indicates that the first transaction is the active transaction, feeding a processing result about the first transaction in the first message back to an application layer; and in a case where the set bit indicates that the first transaction is the passive transaction, requesting the application layer to output the processing result about the first transaction based on the first message.

Abstract: The present invention discloses a three-component mixed working fluid for an ICE waste heat recovery power cycle, wherein the three-component mixed working fluid consists of carbon dioxide, pentane and a refrigerant, the refrigerant is a high-performance environment-friendly refrigerant with GWP value which is lower than 1000 and ODP value which is 0, and the refrigerant is one selected from a group consisting of difluoromethane, fluoroethane and 1,1-difluoroethane; according to the selected refrigerants, the mass percentage of each component is as follow: the mass percentage of CO2, pentane and difluoromethane are 30-70, 10-20, and 10-60; the mass percentage of CO2, pentane and fluoroethane are 30-70/10-20/10-50; the mass percentage of CO2, pentane and 1,1-difluoroethane are 10-70/10-30/10-60.

Abstract: A method for protecting a system from being powered off abnormally during an upgrade, which is applied to a system upgrade of a terminal device, comprises: acquiring a startup offset value of one of the plurality of storage partitions; when the startup offset value is the first offset value, starting the first system image file; acquiring an upgrade file, performing an upgrade operation on the second system image file in the current storage partition by using the acquired upgrade file, and setting the startup offset value as the second offset value when the upgrade is successfully completed; and continuing to perform the upgrade operation on the first system image file, and setting the startup offset value as the first offset value when the upgrade is successfully completed. The terminal device is powered off when upgrade operation is performed so that the system of the terminal device cannot be started normally.

Abstract: The present invention discloses a three-component mixed working fluid for an ICE waste heat recovery power cycle, wherein the three-component mixed working fluid consists of carbon dioxide, pentane and a refrigerant, the refrigerant is a high-performance environment-friendly refrigerant with GWP value which is lower than 1000 and ODP value which is 0, and the refrigerant is one selected from a group consisting of difluoromethane, fluoroethane and 1,1-difluoroethane; according to the selected refrigerants, the mass percentage of each component is as follow: the mass percentage of CO2, pentane and difluoromethane are 30-70, 10-20, and 10-60; the mass percentage of CO2, pentane and fluoroethane are 30-70/10-20/10-50; the mass percentage of CO2, pentane and 1,1-difluoroethane are 10-70/10-30/10-60.

Abstract: The present invention provides a release hard coating, comprising a bottom hard coating component and a top release coating component, wherein the bottom hard coating component comprises a crosslinked polymer matrix and nano-silica particles; and the top release coating component comprises a release polymer capable of having a grafting reaction with the bottom hard coating component. The release hard coating can be applied onto a substrate such as PET to resist sticky illegal advertisements and protect the substrate from wear.

Abstract: The invention discloses a method for correcting screen display based on negative feedback. Correction of the G channel value, the B channel value and the R channel value in turn is marked as a correction of the working parameters of the screen. Measuring if the luminance, color temperature y-axis coordinate and color temperature x-axis coordinate of the screen display simultaneously reach the corresponding target values after correcting the working parameters for one time; if yes, the current gray scale correction is ended; otherwise, correcting the working parameters of the current gray scale again by starting from correction of the G channel value. The R channel value, the G channel value and the B channel value are corrected in a separate manner based on the feedback, and the correction process is simplified, such that the accuracy of a single correction is higher and the correction speed is improved.

Abstract: A composition having pH of 6 or less comprises composite particles dispersed in an aqueous continuous liquid phase. Each composite particle comprises a non-cationic polymer core surrounded by a silica shell consisting essentially of silica particles having a mean particle diameter of 3.2 nanometers or less. The weight ratio of the total amount of the silica in the composition to the total polymer is in a range of 0.2 to 2.2. The composition is useful for making various articles. A method for making the composition is also disclosed.

Abstract: A composition having pH of 5 or less comprises composite particles dispersed in an aqueous continuous liquid phase. Each composite particle comprises a polymer core surrounded by a silicaceous shell. From 3 to 50 percent of silicon atoms in the silicaceous shells are bonded to respective organic groups via a silicon-carbon covalent bond. The weight ratio of the total amount of the silica in the composition to the total amount of the at least one polymer is from 0.1 to 19. The composition is useful for making various articles. A method for making the composition is also disclosed. Silicaceous particles dispersed in an aqueous phase, wherein from 3 to 50 percent of silicon atoms in the silicaceous particles are bonded to organic groups via a silicon-carbon covalent bond are also disclosed.

Abstract: Provided is a coated article comprising a substrate and a dried coating which comprises a first set of spherical silica nanoparticles having an average diameter of less than 20 nm and a second set of spherical silica nanoparticles having an average diameter of 20 nm to 120 nm. The alkoxy silane compound comprises an epoxy functional group or a carboxylic acid functional group. Also provided is a coating composition comprising an acidic aqueous dispersion which comprises the described first and second set of spherical silica nanoparticles and silane compound.