Abstract: Embodiments of this disclosure provides a timing advance (TA) determining method and a communication apparatus. The method includes: A terminal device receives a first timing advance command (TAC) at a first moment. In response to that a first parameter is updated in a first time period before the first moment, the terminal device determines a TA adjustment value based on a component of a first timing advance and the first TAC. The terminal device further communicates with a serving satellite based on the TA adjustment value. The first timing advance is determined by the terminal device at a second moment, the first time period is a time period between the second moment and the first moment, and the first parameter includes one or more pieces of the following information: positioning information of the terminal device, ephemeris information of the serving satellite, or a common timing advance TA.

Abstract: A communication method and an apparatus relate to the field of wireless communication technologies, where the communication method includes a terminal device that determines a quantity of sending times of a first message, where the quantity of sending times is an integer greater than or equal to 2, and the first message includes at least a message 2 (Msg2) or a message 4 (Msg4); and the terminal device receives the first message from a network device based on the quantity of sending times of the first message.

Abstract: Provided are a flexible sensing element for online monitoring of large strain based on piezoresistive effect, and a preparation method thereof. The sensing element includes a cover layer, a sensor unit, and a composite polymer substrate layer that are sequentially stacked from top to bottom. Electrodes are attached to two ends of the sensor unit and are connected to an external signal processing device by lead wires. The sensor unit is obtained from a conductive filler/polymer coacervate by vacuum hot pressing and sintering, has a thickness of 5 ?m to 1000 ?m, and includes the following components in parts by mass: 10 parts to 100 parts of polymer and 1 part to 3 parts of conductive filler. The cover layer includes a thermoplastic polymer. The sensing element is prepared using the vacuum hot pressing and sintering process, greatly enhancing conductivity and sensitivity of the sensor unit.

Abstract: A single-pole single-throw (SPST) radio frequency (RF) switch is provided that includes one or more switches stacked in series, and a first capacitor disposed at an input side of the SPST RF switch, in series, before the one or more switches. The SPST RF switch also includes a second capacitor disposed, in parallel, across the one or more switches, and an inductor disposed at an output side of the SPST RF switch, in series, after the one or more switches.

Abstract: A litter box, a detection system, and a control method are provided. A touch sensor disposed at a position corresponding to a touch sensing area detects physical contact of a pet and outputs a trigger signal, and a controller controls a drive mechanism to stop operation according to the trigger signal, thereby improving reliability of detecting whether a pet is present and safety of the pet using the litter box.

Abstract: A method for preparing for preparing the hemostatic, antibacterial, and healing-promoting clay mineral-based hydrogel in the present disclosure includes: dissolving chitosan uniformly in a dilute acid, adding a preset amount of a crosslinking agent to obtain a first mixture, and stirring the first mixture to allow complete dissolution; and adding a kaolinite@Prussian blue (PB) composite to obtain a second mixture, thoroughly stirring the second mixture, and drying a resulting system at room temperature to obtain the hemostatic, antibacterial, and healing-promoting clay mineral-based hydrogel, where the kaolinite@PB composite includes nano-kaolinite and PB in-situ growing on the nano-kaolinite.

Abstract: A second apparatus sends first configuration information, where the first configuration information indicates a first uplink resource group, and the first uplink resource group is used to send uplink data corresponding to a buffer status report (BSR), to bind the BSR to a transmission resource of the corresponding uplink data. A first apparatus determines, in the first uplink resource group based on a first BSR associated with first data, one or more first uplink resources that are in the first uplink resource group and that are associated with the first BSR, and receives the first data on the one or more first uplink resources, thereby implementing semi-persistent scheduling (SPS) of a terminal in an Internet of things (IoT).

Abstract: This application relates to the field of communication technologies, and provides a precoding method and a communication apparatus. The method includes: A terminal device obtains a first reference signal, where the first reference signal is a reference signal precoded by using a first precoding matrix. Then the terminal device sends first information, where the first information is determined based on a measurement result of the first reference signal, and is used to determine a target precoding matrix. Then the terminal device obtains information precoded by using the target precoding matrix.

Abstract: A light-emitting substrate and a display device are provided. The light-emitting substrate includes a base substrate, a reflective layer, at least one pad, a light-emitting element and a connecting portion. The reflective layer includes an opening with a maximum size H1 in a first direction; the light-emitting element includes a first electrode and a second electrode arranged at intervals in a second direction, and a maximum size of the first electrode or the second electrode in the first direction is a first size K1; the connecting portion includes an edge radian region with a maximum size M in the first direction; the at least one pad includes a first pad, the first pad includes a first size portion, a minimum distance between the first size portion and the opening in the first direction is a second size K2 which satisfies: K2?0.5H1?0.5(K1+2M), and 50 ?m?H1?2K2?K1?100 ?m.

Abstract: A massage device for hand is provided and includes a housing; and a finger massage structure configured for massaging at least one finger of a hand, the finger massage structure attached to the housing and reciprocatively movable between a first position and a second position, and the finger massage structure configured to receive the at least one finger, pressing the at least one finger, and releasing the at least one finger, wherein the finger massage structure moves back and forth along the at least one finger while pressing the at least one finger, thereby massaging the at least one finger.

Abstract: Disclosed are a compound containing a five-membered heterocycle, a preparation method therefor, an application thereof, an agricultural composition, and a method for preventing and controlling invertebrate pests. The present invention provides a compound containing a five-membered heterocycle having a structure represented by formula (I), or an agriculturally acceptable salt thereof, or a stereoisomer thereof. The compound containing a five-membered heterocycle and the agriculturally acceptable salt thereof provided by the present invention exhibit an excellent prevention and control effect against various pests, especially spider mites such as carmine spider mites, red spider mites, Kanzawa spider mites and citrus spider mites and lepidopteran insects such as the diamondback moths. The compound may be used for preventing and controlling various pests and pest mites, exhibits highly effective acaricidal and insecticidal activity, and has good application prospects.

Abstract: This disclosure relates to an invitro gut model, including an integral layer of intestinal epithelial cells, an artificial mucus atop the integral layer of intestinal epithelial cells, wherein the artificial mucus comprises a silk glycopolymer and optionally a silk polymer lacking sugar substituents, the artificial mucus having a degree of substitution of the silk glycopolymer, a location of substitution of the silk glycopolymer, a concentration of the silk glycopolymer, an overall polymer concentration, an overall silk polymer concentration, an optional concentration of the silk polymer lacking sugar substituents, an optional ratio by weight of the silk glycopolymer and the silk polymer lacking sugar substituents, and/or a silk glycopolymer silk backbone molecular weight is tailored to maintain the integral layer of intestinal epithelial cells for a predetermined length of time, and growth media accessible to the intestinal epithelial cells and tailored to maintain viability of the intestinal epithelial cell

Abstract: Embodiments of this disclosure provide a communication method and a communication apparatus, to improve a PDCCH coverage capability. The method includes: receiving first information, where the first information indicates configuration information of a physical downlink control channel PDCCH; and when a condition is satisfied, monitoring the PDCCH on a first PDCCH transmission resource based on the first information, where the first PDCCH transmission resource includes a second PDCCH transmission resource used for enhancing the PDCCH, and enhancing the PDCCH includes repeating transmission of the PDCCH and/or increasing an PDCCH aggregation level.

Abstract: This application provides a positioning method and a related apparatus. The method includes: obtaining first information and second information, where the first information includes information about a first time difference, the first time difference includes a time difference between receiving and sending at least two signals by a terminal device, the second information includes information about a second time difference, the second time difference includes a time difference between receiving and sending the at least two signals by a first network device, the at least two signals include any two signals that are transmitted between the terminal device and the first network device in opposite directions at different times, and transmission resources consumed by the at least two signals are fewer than transmission resources consumed by a PRS and an SRS; determining, a first RTT corresponding to the terminal device; and positioning the terminal device.

Abstract: Embodiments of this disclosure provide a communication method and apparatus. The method includes receiving first information from a first communication apparatus. The first information is configured to indicate a first number N of repetitions of first downlink data. N is an integer greater than or equal to 2. The first information is configured to be carried in fourth downlink control information (DCI). The method further includes receiving N pieces of first downlink data from the first communication apparatus at N first resource locations respectively. The N first resource locations correspond one-to-one to the N pieces of first downlink data.

Abstract: A massage device with swing arms of a portable sleep pillow relates to a technical field of physical therapy devices and includes a base, two neck massage heads, two shoulder massage heads, two trapezius massage heads, and a transmission portion. The neck massage heads are obliquely disposed, and an included angle between the two neck massage heads faces upward. The shoulder massage heads and the trapezius massage heads are horizontally disposed. The shoulder massage heads are disposed outside the neck massage heads. The trapezius massage heads are respectively disposed below the shoulder massage heads. The transmission portion is disposed on the base. Reversing pieces are disposed inside the transmission portion. The massage device provides multi-angle massage for the user. When the massage device is not in a massage state, the shoulder massage heads and the two trapezius massage heads do not contact the neck of the user.

Abstract: A satellite communication method and an apparatus are provided. The method can be applied to the field of satellite communication. The method includes: receiving extension configuration information; receiving first duration indication information; and extending a first validity duration and/or extending a second validity duration based on the extension configuration information and the first duration indication information. According to the method, a validity duration of position information used for uplink synchronization or mobility management can be separately determined, to improve communication efficiency.

Abstract: A method for controlling a litter box, a control device, and a litter box are provided. The method includes: driving a litter chamber to rotate in a first direction to separate litter from feces; upon reaching a preset condition, driving the chamber to rotate in an opposite second direction by a predetermined angle, causing the separated feces to mix and tumble with clean litter, thereby forming a moisture-absorbing litter coating on the feces before discharge. This full contact absorbs moisture, prevents sticking, reduces odor, and improves cleaning.

Abstract: A terminal determines a validity duration of a first parameter and a validity duration of a second parameter. The first parameter includes positioning information of the terminal, and the second parameter includes one or more of the following information: ephemeris information of a serving satellite and common timing advance (TA) information. Then, the terminal determines an invalidation moment of the first parameter and an invalidation moment of the second parameter based on a validation moment of the first parameter, a validation moment of the second parameter, the validity duration of the first parameter, and the validity duration of the second parameter. The terminal updates the first parameter and the second parameter at or before an earlier invalidation moment in the invalidation moment of the first parameter and the invalidation moment of the second parameter. The terminal determines a TA adjustment value based on an updated first parameter and an updated second parameter.

Abstract: The present disclosure relates to a male connector, a female connector, a pickup device, a quick-change mechanism, an end effector, a manipulator and a robot. A male connector comprises a core rod and a locking member, wherein the core rod comprises a core rod body and a seat arranged at a first axial end of the core rod body and used for engaging with a hook of a female connector. The locking member is arranged on the outer side of the core rod body, and the core rod body is arranged in a slidable manner in an axial direction relative to locking member, an outer surface of the locking member comprises an abutment surface for abutting against an abutment portion of the female connector to push the abutment portion to move outward so as to disengage the snap hook from the seat.