Abstract: The present disclosure relates to a surgical robot and a method of controlling the surgical robot. The method may include obtaining pose information of an end tool and providing first feedback information to an operator based on the pose information.

Abstract: An electromagnetic ultrasonic double wave transducer, comprising a shell (1), and a permanent magnet assembly, a coil (4), a shielding layer (5), and a wire (6) which are provided in the shell (1). The permanent magnet assembly comprises a first permanent magnet (2) and a second permanent magnet (3) sleeved on the first permanent magnet (2). The magnetizing directions of the first permanent magnet (2) and the second permanent magnet (3) are perpendicular to the bottom of the shell (1), and the magnetic field directions of the first permanent magnet (2) and the second permanent magnet (3) are opposite. A non-conducting non-magnetic bushing material (9) is provided between the first permanent magnet (2) and the second permanent magnet (3), and upper end faces of the first permanent magnet (2) and the second permanent magnet (3) realize magnetic circuit closing by means of a magnetic circuit closing element (8).

Abstract: The present disclosure provides a method for recycling urea-formaldehyde (UF) from a wood-based panel. In the present disclosure, the UF is depolymerized by an ultrasonic treatment, and depolymerized UF can be reused for UF manufacture and wood-based panel production. The recycled and treated UF can be repeatedly used in wood-based panel manufacture without affecting performances of the wood-based panel. UF-glued wood-based panels can be recycled, and a recycled wood-based panel raw material can replace at least 50% of a non-recycled wood-based raw material for particle board production without affecting performances of the wood-based panel.

Abstract: A multi-resistance-state spintronic device, including: a top electrode and a bottom electrode respectively connected to a read-write circuit; and a magnetic tunnel junction between two electrodes. The magnetic tunnel junction includes from top to bottom: a ferromagnetic reference layer, a barrier tunneling layer, a ferromagnetic free layer, and a spin-orbit coupling layer. Nucleation centers are provided at two ends of the ferromagnetic free layer to generate a magnetic domain wall; the spin-orbit coupling layer is connected to the bottom electrode, and when a write pulse is applied, an electron spin current is generated and drives the magnetic domain wall through a spin-orbit torque to move; a plurality of local magnetic domain wall pinning centers are provided at an interface between the spin-orbit coupling layer and the ferromagnetic free layer to enhance a strength of a DM interaction constant between interfaces.

Abstract: The three-state spintronic device includes: a bottom electrode, a magnetic tunnel junction and a top electrode from bottom to top. The magnetic tunnel junction includes: a spin-orbit coupling layer, a ferromagnetic free layer, a barrier tunneling layer, a ferromagnetic reference layer, three local magnetic domain wall pinning centers and domain wall nucleation centers. An antisymmetric exchange interaction is modulated, and the magnetic domain wall pinning centers are embedded in an interface between a heavy metal and the ferromagnetic free layer. The magnetic domain wall nucleation centers are at two ends of the ferromagnetic free layer. A current pulse flows through the spin-orbit coupling layer to generate a spin current and the spin current is injected into the ferromagnetic free layer. Under a control of all-electrical controlled, an effective field of a spin-orbit torque drives domain wall to move and displace.

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 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: 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: 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.

Abstract: A temperature controller includes a microprocessor, a temperature detector, a current detector, a control relay and an external interface. Wherein, the temperature detector detects a working temperature of a heater; the current detector detects a current value passing through a heating element; and the microprocessor determines an operating state of the temperature controller (102) according to a temperature and a current value received from the temperature detector and the current detector, and sends a control signal to the control replay, thereby controlling the operation of the heater so as to adjust the temperature. By means of the temperature controller, current measurement is added while temperature measurement is performed, so that an operating state of a heater can be correctly determined, thereby greatly improving the reliability of the temperature controller.