Abstract: Some embodiments of the present disclosure provide a voice call method, a system, a chip, an electronic device, and a storage medium. In the present disclosure, the voice call method includes: in response to receiving a voice call request instruction from a second terminal in a process of transmitting a voice call data packet with a first terminal, sending a request for disconnecting synchronous data connection to the first terminal (101); transmitting the voice call data packet to the second terminal (102) after receiving a request for establishing the synchronous data connection sent by the second terminal. In a scenario where there are incoming calls from multiple terminals, data communication load of a Bluetooth chip can be lessened, and power consumption of the Bluetooth chip can be reduced.

Abstract: Disclosed is a blended polyester thin film, comprising a copolyester and a homopolyester. The thin film is composed of upper, middle, and lower layers. Each of the three layers is a homogeneous mixture of the copolyester and the homopolyester. The copolyester comprises 800-2000 ppm by mass of SiO2 added by means of in-situ polymerization. A dihydric alcohol component in the copolyester comprises ethylene glycol, 1,4-cyclohexanedimethanol, and 1,4-butanediol. The melting point of the copolyester is between 200-240° C. The blended polyester film of the present invention has excellent processability, excellent chemical resistance, such as acid and alkali resistance, and excellent uniformity. A film-coated metal plate prepared from the blended polyester thin film can meet performance requirements of metal containers for food and beverage packaging with complex molding processing and high corrosion resistance.

Abstract: Systems and methods for longitudinal change analysis are provided. A first medical image depicting an anatomical object at a first time and a second medical image depicting the anatomical object at a second time are received. The first medical image is encoded into a first set of features and the second medical image is encoded into a second set of features. The first set of features and the second set of features are encoded into a set of longitudinal features. A medical imaging analysis task is performed on longitudinal changes depicted in the first medical image and the second medical image using a machine learning based network based on the set of longitudinal features. Results of the medical imaging analysis task are output.

Abstract: A blended polyester laminating film resistant to discoloration caused by cooking, comprising polyethylene terephthalate and polybutylene terephthalate. The blended polyester laminating film comprises three layers, i.e., upper, middle, and lower layers. One surface layer contains SiO2 in a mass fraction of 1200-2000 ppm added by in-situ polymerization. The blended polyester laminating film is manufactured by a three-layer coextrusion biaxial stretching method, and the manufacturing method is 240-275° C. A film-laminated metal sheet manufactured from the blended polyester laminating film has excellent resistance to discoloration caused by cooking, and is applied to metal containers for food and beverage packaging that require high-temperature sterilization.

Abstract: A high-strength packaging bag with effects of heat preservation and watertightness is made of a composite paper. The composite paper includes an outer waterproof layer, an outer paper layer, a first adhesive layer, a heat-insulation and cushioning layer, a second adhesive layer, an inner paper layer and an inner waterproof layer arranged in sequence; and the first adhesive layer and the second adhesive layer are both elastic adhesive layers.

Abstract: Image-based biomarkers are provided for active disease progression of Alzheimer's disease and related dementias (ADRD) by training and using artificial neural networks (ANNs) on the basis of subject's images. A cross-sectional sub-pipeline and a longitudinal sub-pipeline are used for processing different images parts, namely cross-sectional imaging data and longitudinal imaging data. A patch-based multiple instance learning (MIL) scheme is applied.

Abstract: Laminated steel having a low interface bubble rate, comprising: a substrate with a surface roughness of 0.15-0.25 ?m and a modified flexible polyester film thermally laminated onto the surface of the substrate. The modified flexible polyester film is obtained by copolymerization modification of ethylene terephthalate with a low-molecular-weight aliphatic polyester. A method for manufacturing the laminated steel having an extremely low interface bubble rate, comprising the steps of: (1) preheating and then heating the substrate; (2) uncoiling the modified flexible polyester film at room temperature, and then thermally laminating same onto the substrate; and (3) cooling and squeeze-drying.

Abstract: Some embodiments of the present disclosure provide a voice call method, a system, a chip, an electronic device, and a storage medium. In the present disclosure, the voice call method includes: in response to receiving a voice call request instruction from a second terminal in a process of transmitting a voice call data packet with a first terminal, sending a request for disconnecting synchronous data connection to the first terminal (101); transmitting the voice call data packet to the second terminal (102) after receiving a request for establishing the synchronous data connection sent by the second terminal. In a scenario where there are incoming calls from multiple terminals, data communication load of a Bluetooth chip can be lessened, and power consumption of the Bluetooth chip can be reduced.

Abstract: Provided are a data communication method and system, an electronic device, a chip and a storage medium. The data communication method includes: establishing a wireless communication connection with a first receiving terminal, and notifying the connection information to a second receiving terminal. The connection information includes information of a communication channel for performing wireless communication between the transmitting terminal and the first receiving terminal. The connection information is used to instruct the at least one second receiving terminal to monitor communication data in the communication channel. When the at least one second receiving terminal knows after monitoring the communication data, data required to be transmitted to the first receiving terminal is transmitted to the communication channel.

Abstract: The present invention provides laminated iron having excellent printability and a preparation method therefor. The laminated iron is prepared by using a mode of performing thermal-compounding on a polyester thin film having a durable and high surface tension force and a steel plate, wherein the polyester thin film is prepared by copolymerizing terephthalic acid, isophthalic acid, ethylene glycol and a fourth component and then bidirectionally stretching a co-polymer; a feeding mole ratio is that terephthalic acid:isophthalic acid:ethylene glycol:a fourth component=(135-165):(148-194):(11-15):(0.01-12); the fourth component is selected from one or more of isophthalic-5-sulfonate, 1,4-cyclohexane dimethanol, neo-pentanediol and trimellitic acid; and 800-2000 ppm of SiO2 in parts by mass is added to a copolymerized polyester by using a mode of in-situ polymerization. The laminated iron has excellent printability and satisfies usage requirements of packaging containers for food, beverage and the like.

Abstract: A double-layer polyester film is of a structure having upper and lower layers. Each of the upper and lower layers comprises a copolyester and an additional resin, and is a uniform mixture of the copolyester and the additional resin. The copolyester comprises SiO2 having a mass fraction of 800-2000 ppm added by means of in-situ polymerization. The copolyester is a PET polyester modified by copolymerization of isophthalic acid, 1,4-cyclohexanedimethanol, and neopentyl glycol. The polyester film has thinner thickness, good thermal adhesion with a metal sheet, excellent resistance to deep drawing and complex deformation processing, and excellent corrosion resistance, and can be widely used in metal packaging industry.

Abstract: Disclosed is a blended polyester thin film, comprising a copolyester and a homopolyester. The thin film is composed of upper, middle, and lower layers. Each of the three layers is a homogeneous mixture of the copolyester and the homopolyester. The copolyester comprises 800-2000 ppm by mass of SiO2 added by means of in-situ polymerization. A dihydric alcohol component in the copolyester comprises ethylene glycol, 1,4-cyclohexanedimethanol, and 1,4-butanediol. The melting point of the copolyester is between 200-240° C. The blended polyester film of the present invention has excellent processability, excellent chemical resistance, such as acid and alkali resistance, and excellent uniformity. A film-coated metal plate prepared from the blended polyester thin film can meet performance requirements of metal containers for food and beverage packaging with complex molding processing and high corrosion resistance.

Abstract: Disclosed are a polyester thin film and a coated metal plate. The polyester thin film is a single-layer structure prepared from chips of a specific copolyester by means of a biaxial stretching method or a casting method, wherein the specific copolyester comprises SiO2 in an amount of 800-2000 ppm by mass added by means of in situ polymerization, and the specific copolyester is a PET polyester resulting from copolymerization modification with isophthalic acid, 1,4-cyclohexanedimethanol and neopentyl glycol. The coated metal plate comprises a metal substrate and the polyester thin film. The polyester thin film has high food safety characteristics, along with many advantages such as excellent thermal adhesion with a metal plate, excellent deep-drawing processing and complex deformation processing properties, and excellent corrosion resistance, and can be widely used in the medium-to-high end metal packaging industry.

Abstract: Provided are a data communication method and system, an electronic device, a chip and a storage medium. The data communication method includes: establishing a wireless communication connection with a first receiving terminal, and notifying the connection information to a second receiving terminal. The connection information includes information of a communication channel for performing wireless communication between the transmitting terminal and the first receiving terminal. The connection information is used to instruct the at least one second receiving terminal to monitor communication data in the communication channel. When the at least one second receiving terminal knows after monitoring the communication data, data required to be transmitted to the first receiving terminal is transmitted to the communication channel.

Abstract: A blended polyester laminating film resistant to discoloration caused by cooking, comprising polyethylene terephthalate and polybutylene terephthalate. The blended polyester laminating film comprises three layers, i.e., upper, middle, and lower layers. One surface layer contains SiO2 in a mass fraction of 1200-2000 ppm added by in-situ polymerization. The blended polyester laminating film is manufactured by a three-layer coextrusion biaxial stretching method, and the manufacturing method is 240-275° C. A film-laminated metal sheet manufactured from the blended polyester laminating film has excellent resistance to discoloration caused by cooking, and is applied to metal containers for food and beverage packaging that require high-temperature sterilization.

Abstract: A heater alarm and control module includes a main processor of the heater alarm and control module, a heater alarm and control circuit, and a heater temperature controlling module. The heater temperature control module includes n heater temperature controllers. The main processor is connected to the heater temperature control module through the heater alarm and control circuit. The heater temperature controller includes an optically coupled solid-state relay including a light-emitting diode and a power switch; and a photocoupler including a light-emitting diode and a phototriode; and a microprocessor connected to the optically coupled solid-state relay and the photocoupler. The main processor provides a control signal to the heater temperature control module.

Abstract: Provided are a data communication method and system, an electronic device, a chip and a storage medium. The data communication method includes: establishing a wireless communication connection with a preset first receiving terminal, and notifying the connection information to a second receiving terminal. The connection information includes information of a communication channel for performing wireless communication between the transmitting terminal and the first receiving terminal. The connection information is used to instruct the second receiving terminal to monitor communication data in the communication channel. When the second receiving terminal knows after monitoring the communication data, data required to be transmitted to the first receiving terminal is transmitted to the communication channel.

Abstract: Laminated steel having a low interface bubble rate, comprising: a substrate with a surface roughness of 0.15-0.25 ?m and a modified flexible polyester film thermally laminated onto the surface of the substrate. The modified flexible polyester film is obtained by copolymerization modification of ethylene terephthalate with a low-molecular-weight aliphatic polyester. A method for manufacturing the laminated steel having an extremely low interface bubble rate, comprising the steps of: (1) preheating and then heating the substrate; (2) uncoiling the modified flexible polyester film at room temperature, and then thermally laminating same onto the substrate; and (3) cooling and squeeze-drying.