Abstract: An FGFR4 inhibitor acid salt, a preparation method therefor, and a use thereof are provided. The FGFR4 inhibitor is a compound N-((3S,4S)-3-((6-(2,6-difluoro-3,5-dimethoxyphenyl)-8-(3-methoxy-3-methylazetidin-1-yl)pyrido[3,4-d]pyrimidin-2-yl)amino)tetrahydro-2H-pyran-4-yl)acrylamide having the structure represented by formula (I), and the acid salt is p-toluenesulfonate. The physical and chemical properties such as the solubility and bioavailability of the compound represented by formula (I) in the free form are greatly increased, and the development requirements of clinical medicine preparations can be met. The FGFR4 inhibitor has vital clinical application value for p-toluenesulfonate and has the prospect of developing into a new generation of FGFR4 small-molecule inhibitors.

Abstract: A system installed in a vehicle includes a first group of sensing devices configured to allow a first level of autonomous operation of the vehicle; a second group of sensing devices configured to allow a second level of autonomous operation of the vehicle, the second group of sensing devices including primary sensing devices and backup sensing devices; a third group of sensing devices configured to allow the vehicle to perform a safe stop maneuver; and a control element communicatively coupled to the first group of sensing devices, the second group of sensing devices, and the third group of sensing devices. The control element is configured to: receive data from at least one of the first group, the second group, or the third group of sensing devices, and provide a control signal to a sensing device based on categorization information indicating a group to which the sensing device belongs.

Abstract: The present invention provides an ultrasound neuromodulation actuator including a stable hollow silica nanoparticle (HSN) structure, in particular, a PEGylated HSN (pHSN) particle, and a method for preparing the same. The present invention also provides methods for enhancing ultrasound stimulation and treating neurological disorders of a subject including applying the pHSN particles to a brain region of the subject followed by ultrasound stimulation.

Abstract: Provided is a method for exchanging a device capability of a NAN device. The method is applicable to a first NAN device, and includes: transmitting capability signaling for exchanging the device capability, wherein the capability signaling includes indication of whether the first NAN device supports a high efficiency physical layer mode.

Abstract: The present disclosure provides a thin film transistor, a display substrate and a display device, and belongs to the field of display technology. The thin film transistor of the present disclosure includes: a base, and a gate, an active layer, a source and a drain located on the base, where the gate includes a first gate and a second gate which are sequentially provided on the base and are electrically connected to each other; the active layer is located between the first gate and the second gate, and orthographic projections of the first gate and the second gate on the base are partially overlapped with an orthographic projection of the active layer on the base, and the orthographic projections of the first gate and the second gate on the base are partially overlapped with each other.

Abstract: This specification provides a key management method and a related device, which are applied to security hardware. The method includes: preventing, in response to a start instruction for the electronic device, the CPU from being started, and encrypting a second key corresponding to the security hardware by using the stored first key; sending an encrypted second key to the storage medium, so that the storage medium decrypts the encrypted second key by using the first key, and stores a decrypted second key, where the second key is stored in volatile storage space of the storage medium, and the second key is used to encrypt data when the data is written into the storage medium, and decrypt data when the data is read; and controlling, in response to that the storage medium successfully stores the second key, the CPU to be started.

Abstract: A communication method includes: in a case where the first device establishes direct link with a second device working on a same link, performing frame transmission between the first device and the second device by using an enhanced multi-link operation. At least one of the first device and the second device is a device supporting the enhanced multi-link operation or a device working in the enhanced multi-link operation.

Abstract: A communication method includes: sending, by a first STA, a trigger frame, and the trigger frame is used to establish a coordinated transmission between multiple STAs.

Abstract: A network device sends first indication information to a first terminal; and the first terminal sends a system information request based on the first indication information, where the first indication information indicates to send the system information request based on first resource configuration information by using a Msg 1; or the first indication information indicates to send the system information request by using a Msg 3.

Abstract: Disclosed is a permanent magnet rotor magnetic coupling based on a double-sided stepped structure and a three-dimensional Halbach magnetic pole arrangement, including a conductor outer rotor assembly (1), and a magnet inner rotor assembly (2). The conductor outer rotor assembly (1) includes a right outer rotor assembly (3), and a bearing connected to the right outer rotor assembly (3). The right outer rotor assembly (3) includes a right conductor yoke (301), and multiple conductive rings. The magnet inner rotor assembly (2) includes a right inner rotor assembly (4), and a bearing connected to the right inner rotor assembly (4). The right inner rotor assembly (4) includes a right magnet yoke (401), and multiple magnetic rings. A stepped structure adopted by the present disclosure can make magnetic blocks have multiple polarity arrangement modes, thereby generating multiple different spatial magnetic field distributions, which are used in scenes with different power transfer requirements.

Abstract: Disclosed is a transient-state THz spectrometer applied to cells and biological macromolecules, including a femtosecond laser amplifier. A femtosecond laser output by the femtosecond laser amplifier is divided into two beams of pump light and probe light after passing through a beam splitter of which a transmission-reflection ratio is 7:3, the pump light is focused to irradiate a gap between electrodes of a nonlinear photoconductive antenna and emit a terahertz wave after successively passing through a half wave plate, a silver-plated reflector and a first lens, the terahertz wave forms a terahertz wave collineation after successively passing through a second lens, a slab waveguide, a third lens and an ITO film, the terahertz wave collineation and the probe light form a probe light collineation of wavefront tilt which is perpendicularly incident on a ZnTe crystal and detected and recorded by using a CCD camera.

Abstract: Disclosed is a transient-state THz spectrometer applied to cells and biological macromolecules, including a femtosecond laser amplifier. A femtosecond laser output by the femtosecond laser amplifier is divided into two beams of pump light and probe light after passing through a beam splitter of which a transmission-reflection ratio is 7:3, the pump light is focused to irradiate a gap between electrodes of a nonlinear photoconductive antenna and emit a terahertz wave after successively passing through a half wave plate, a silver-plated reflector and a first lens, the terahertz wave forms a terahertz wave collineation after successively passing through a second lens, a slab waveguide, a third lens and an ITO film, the terahertz wave collineation and the probe light form a probe light collineation of wavefront tilt which is perpendicularly incident on a ZnTe crystal and detected and recorded by using a CCD camera.

Abstract: Disclosed is a hardware-based protection group switching method and optical communication equipment.

Abstract: Disclosed is a home bus system (HBS) circuit, applicable to home bus (HB) communication implemented using a Microchip chip. The circuit includes the Microchip chip, an HBS communication chip, a resistor, a capacitor, and a transistor, the Microchip chip includes a universal asynchronous receiver/transmitter (UART) input pin and a serial peripheral interface (SPI) output pin, and the HBS communication chip includes an input pin. The transistor has a base coupled to the SPI output pin and a first end of the capacitor, a collector coupled to a first end of the resistor and the input pin of the HBS communication chip, and an emitter grounded, wherein a second end of the resistor is coupled to a power supply, and a second end of the capacitor is grounded.

Abstract: Disclosed is a home bus system (HBS) circuit, applicable to home bus (HB) communication implemented using a Microchip chip. The circuit includes the Microchip chip, an HBS communication chip, a resistor, a capacitor, and a triode, the Microchip chip includes a universal asynchronous receiver/transmitter (UART) input pin and a serial peripheral interface (SPI) output pin, and the HBS communication chip includes an input pin. The triode has a base coupled to the SPI output pin and a first end of the capacitor, a collector coupled to a first end of the resistor and the input pin of the HBS communication chip, and an emitter grounded, wherein a second end of the resistor is coupled to a power supply, and a second end of the capacitor is grounded.

Abstract: The present disclosure provides a protection group superposition switching method, a control apparatus, and an optical communication device. Multiple protection state machines are implemented by using a field programmable gate array (FPGA). Each protection state machine independently performs an automatic protection switching (APS) protocol operation for at least one protection group that is pre-associated with the protection state machine. At least one protection status table for recording a status of each protection group is updated according to a result of the APS protocol operation, and a cross-connection table for traffic cross-connection between communication units is updated according to the protection status table; the updated cross-connection table is configured into a cross-connection chip, so that the cross-connection chip performs traffic cross-connection according to the updated cross-connection table.

Abstract: A method and a device for each network element node in a transoceanic multiplex section shared protection ring to automatically discover a cross-node service topology. According to the present invention, the method for automatically discovering a cross-node service topology comprises the following steps: at the node, generating a message containing service identification information of the node, the service identification information being used for identifying a service flow configured for a protection group; sending the message containing the service identification information through the transoceanic multiplex section shared protection ring; and at at least one of other nodes, determining a cross-node service crossing topology according to the message containing the service identification information.

Abstract: The present disclosure provides a protection group superposition switching method, a control apparatus, and an optical communication device. Multiple protection state machines are implemented by using a field programmable gate array (FPGA). Each protection state machine independently performs an automatic protection switching (APS) protocol operation for at least one protection group that is pre-associated with the protection state machine. At least one protection status table for recording a status of each protection group is updated according to a result of the APS protocol operation, and a cross-connection table for traffic cross-connection between communication units is updated according to the protection status table; the updated cross-connection table is configured into a cross-connection chip, so that the cross-connection chip performs traffic cross-connection according to the updated cross-connection table.