Abstract: Disclosed is a nitrogen-containing heterocyclic compound, pharmaceutical composition thereof and application thereof. The present disclosure provides a nitrogen-containing heterocyclic compound of formula I, a pharmaceutically acceptable salt thereof, a prodrug thereof, a stereoisomer thereof, a tautomer thereof or an isotopically labeled compound thereof. The nitrogen-containing heterocyclic compounds as represented in Formula I in the present disclosure have good inhibitory effects on cells of various mutations such as KRAS G12C, KRAS G12D, KRAS G12V, KRAS Q61H and other mutations, as well as on KRAS-amplified wild-type cells, and are expected to treat and/or prevent a wide range of diseases associated with Ras.

Abstract: In a method, a first device determines that a first resource is subject to interference and sends first information. The first device is configured with a resource used to perform a communication function and a sensing function. The first resource is used to perform at least one of the following functions: the communication function or the sensing function. The first information indicates that the first resource is subject to interference.

Abstract: The present disclosure discloses a stator assembly. The stator assembly comprises: a stator core comprising a plurality of stator teeth, and any two adjacent ones of the plurality of stator teeth are provided with a stator slot therebetween; and a stator winding formed by a wire wound on the stator teeth, the stator winding being received in the stator slots. A cross section of the stator winding in a winding direction of the wire is a plurality of wires having orthohexagonal shapes, and any two adjacent ones of wires closely fit each other.

Abstract: In accordance with an embodiment, an imaging method includes: transmitting a first signal at a first moment in time, and transmitting a second signal at a second moment in time, wherein the first moment in time is different from the second moment in time, and the first signal and the second signal are different in one or more of the following: a frequency, a transmission location, or a transmission direction; receiving a third signal and a fourth signal, wherein the third signal is a signal obtained by reflecting the first signal via a first object, and the fourth signal is a signal obtained by reflecting the second signal via the first object; and determining an image of the first object based on the third signal and the fourth signal.

Abstract: Disclosed is a nitrogen-containing heterocyclic compound, a method for preparing the same and a use of the same. The present disclosure provides a nitrogen-containing heterocyclic compound of formula I, a pharmaceutically acceptable salt thereof, a stereoisomer thereof, a tautomer thereof or an isotopically labeled compound thereof, and the nitrogen-containing heterocyclic compound is expected to treat and/or prevent various RAS-related diseases.

Abstract: Antenna-under-display management method and apparatus. Antenna-under-display blocking information of a device is obtained. A first antenna set is determined based on the antenna-under-display blocking information, wherein an antenna in the first antenna set is an unblocked antenna. Signal transmission is performed by using the first antenna set. The first antenna set is a subset of a second antenna set, and the second antenna set is constituted by an unblocked antenna-under-display of the device.

Abstract: This application provides a liquid crystal metasurface antenna apparatus and a communication apparatus. The liquid crystal metasurface antenna apparatus includes a liquid crystal metasurface reflection plate and a feed source, where the liquid crystal metasurface reflection plate includes a plurality of liquid crystal antenna units; the liquid crystal antenna unit at least includes a plurality of oscillators and two layers of dielectric plates; the plurality of oscillators are disposed between the two layers of dielectric plates; the plurality of oscillators include a horizontal oscillator pair and/or a vertical oscillator pair; and each oscillator includes a left arm, a right arm, and a capacitor, the left arm and the right arm are connected through the capacitor, and a liquid crystal material is filled in a space enclosed by the left arm, the right arm, and the capacitor.

Abstract: An electromagnetic wave imaging method, system, and apparatus are provided.

Abstract: Disclosed are an aromatic heterocyclic compound, an intermediate thereof, a preparation method therefor, and a pharmaceutical composition and use thereof. The aromatic heterocyclic compound of the present invention is a new ALK5 inhibitor, and is used for treating and/or preventing various ALK5-mediated diseases.

Abstract: Certain embodiments provide an imaging method for a non-line-of-sight object and an electronic device. In certain embodiments, the method includes: detecting a first input operation; and generating first image data in response to the first input operation. The first image data is imaging data of the non-line-of-sight object obtained by fusing second image data and third image data. The first image data includes position information between the non-line-of-sight object and a line-of-sight object. The second image data is imaging data of the line-of-sight object captured by the optical camera. The third image data is imaging data of the non-line-of-sight object captured by the electromagnetic sensor.

Abstract: Provided in the present application are an aromatic heterocyclic substituted olefin compound, a preparation method for same, a pharmaceutical composition of same, and applications thereof. The aromatic heterocyclic substituted olefin compound of the present invention is a novel ALK5 inhibitor and is for use in treating and/or preventing various ALK5-mediated diseases.

Abstract: Disclosed is optical observation equipment for identifying the forming process of a malignant tumor, which is provided with a receiving space and a transparent front end. The optical observation equipment comprises: a light-guide fiber, a laser emitter, a focusing device, a white light emitter, an image sensor, a high gain amplifier and an encoding and emitting device, wherein the light-guide fiber extends to the transparent front end from the receiving space; the laser emitter emits laser with a wavelength of 340 nm±20 nm and an energy of 0.3˜0.

Abstract: Disclosed is optical observation equipment for identifying the forming process of a malignant tumor, which is provided with a receiving space and a transparent front end. The optical observation equipment comprises: a light-guide fiber, a laser emitter, a focusing device, a white light emitter, an image sensor, a high gain amplifier and an encoding and emitting device, wherein the light-guide fiber extends to the transparent front end from the receiving space; the laser emitter emits laser with a wavelength of 340 nm±20 nm and an energy of 0.3˜0.

Abstract: Provided in the present application are an aromatic heterocyclic substituted olefin compound, a preparation method for same, a pharmaceutical composition of same, and applications thereof. The aromatic heterocyclic substituted olefin compound of the present invention is a novel ALK5 inhibitor and is for use in treating and/or preventing various ALK5-mediated diseases.

Abstract: Disclosed are an aromatic heterocyclic compound, an intermediate thereof, a preparation method therefor, and a pharmaceutical composition and use thereof. The aromatic heterocyclic compound of the present invention is a new ALK5 inhibitor, and is used for treating and/or preventing various ALK5-mediated diseases.

Abstract: The present disclosure relates to synchronization beam sending and receiving methods, network devices, terminals, and systems. One example synchronization beam sending method includes sending, by a network device, at least one first subframe to a terminal, where the at least one first subframe includes at least one first beam identifier and at least one second beam identifier, a first beam corresponding to the first beam identifier is a beam in a first beam set, a second beam corresponding to the second beam identifier is a beam in a second beam set, an intersection set of the first beam set and the second beam set is empty, and the first beam identifier and the second beam identifier are different.

Abstract: The present application discloses an uplink reference signal transmission method and apparatus. The method includes: determining, by a terminal, a time domain resource sending position of an uplink reference signal, where there is a guard interval at a first end of the uplink reference signal; and after arriving at the time domain resource sending position, switching, in a first sequence, transmit beams in different time slices in M time slices at a first time interval corresponding to the uplink reference signal, to transmit the uplink reference signal, and switching, in a second sequence, transmit beams in different time slices in the M time slices at a second time interval corresponding to the uplink reference signal, to transmit the uplink reference signal, where the uplink reference signal includes uplink reference signals transmitted in the M different time slices.

Abstract: A directional link maintenance method and a station STA to improve accuracy and timeliness of directional link availability determined by the STA are described. In at least one embodiment, the method includes monitoring, by a first station STA, an information packet, where the information packet carries first identification information, and the first identification information is used to identify a first directional transmit beam that is used a second STA when the second STA sends the information packet; determining, by the first STA, whether the information packet is an information packet that is sent by the second STA to a third STA, and obtaining the first identification information if the information packet is an information packet that is sent by the second STA to the third STA; and determining, by the first STA, whether the first identification information matches preset second identification information.

Abstract: Embodiments of the present invention provide a method for performing communication by using a spectrum resource, and a communications device. The method includes: determining, by a first communications device in a first communications system, a first sub-timeslot and a second sub-timeslot in a unit timeslot; and performing, by the first communications device, communication in the first sub-timeslot by using a spectrum resource at a priority higher than that of a second communications device in a second communications system, where a priority at which the first communications device uses the spectrum resource in the second sub-timeslot is lower than a priority at which the second communications device uses the spectrum resource in the second sub-timeslot. The embodiments of the present invention can improve utilization of spectrum resources.

Abstract: The present invention provides an information transmission method, a wireless access device, and a terminal device. The method includes: sending an instruction message to a terminal device on a first band, where the instruction message is used to instruct the terminal device to detect information on a second band; obtaining permission to use a spectrum resource on the second band; and sending the information to the terminal device on the second band.