Abstract: A method comprises: a second communication apparatus sends a trigger frame, to trigger at least one first communication apparatus that includes a first communication apparatus to transmit an uplink PPDU. After receiving the trigger frame, the at least one first communication apparatus sends the PPDU to the second communication apparatus based on the trigger frame. The PPDU includes a data field and an STF sequence, the data field is carried in a distributed RU, the distributed RU includes a plurality of subcarrier groups that are discrete in frequency domain, one of the subcarrier groups includes one subcarrier or includes at least two consecutive subcarriers, the STF sequence is carried on all subcarriers of a plurality of consecutive RUs, the plurality of consecutive RUs are consecutive RUs corresponding to the distributed RU, and each of the consecutive RUs includes a plurality of subcarriers that are consecutive in frequency domain.

Abstract: The present invention relates to a method for purifying key intermediates of Citalopram, i.e. 4-[4-(dimethylamino)-1-(4-fluorophenyl)-1-hydroxybutyl]-3-hydroxymethylbenzonitrile and a salt thereof. The method comprises dissolving crude 4-[4-(dimethylamino)-1-(4-fluorophenyl)-1-hydroxybutyl]-3-hydroxymethylbenzonitrile (compound of formula I containing formaldehyde impurity) with an organic solvent, adding a washing solution, controlling the temperature, stirring, leaving to stand for layering, and removing the aqueous layer, so as to obtain a purified organic solution of 4-[4-(dimethylamino)-1-(4-fluorophenyl)-1-hydroxybutyl]-3-hydroxymethylbenzonitrile. The method provided by the present invention can effectively remove aldehyde group-containing impurities in the intermediate. The method of the present invention has the advantages of simple operation, cheap raw materials and mild conditions, and is suitable for large-scale industrial production.

Abstract: An automobile steering simulator structure comprising a shell rotor, a coil stator, permanent magnets, a base, a steering wheel, the shell rotor, the coil stator and the permanent magnets form a slice motor, a first cavity is provided inside the base, a front end cover is screwed on a side of the shell rotor away from the base, a second cavity is between the front end cover and the shell rotor, a first PCB board is arranged inside of the first cavity and a second PCB board is arranged inside of the second cavity, a magnetic encoder rotating shaft rotationally installed in middle of the base is arranged between the first and second cavity, a conductive slip ring is arranged outside the shaft, both ends of the conductive slip ring are respectively connected to the first and second PCB board, a position sensor is arranged at bottom of the shaft.

Abstract: Described herein are T cells engineered to express a chimeric antigen receptor (CAR), such as an anti-mesothelin CAR alone or in combination with a follicle-stimulating hormone receptor (FSHR) binding domain and/or a dominant negative transforming growth factor-? receptor II (dnTGF?RII) for the treatment of diseases associated with mesothelin expression. Also described are T cells engineered to express a modified T cell receptor (TCR).

Abstract: Provided is an aldehyde binder, specifically, disclosed is a compound as represented by formula (II) or a pharmaceutically acceptable salt.

Abstract: An interface circuit and an electronic apparatus, including: a programmable current array (1), generating a first current and a second current transmitted to a common mode and differential mode generation circuit (2) according to an input code, and a third current and a fourth current transmitted to a driving bias generation circuit (3) according to the input code; the common mode and differential mode generation circuit (2), generating a common mode voltage according to the first current, and generating a high level voltage and a low level voltage according to the second current and the common mode voltage; a driving bias generation circuit (3), simulating a load according to the third and fourth currents, and generating a bias voltage based on the load and the low and high level voltages; an output driving circuit (4), converting an input signal into a differential signal in which the common mode voltage and a differential mode amplitude are configurable.

Abstract: This application relates to the field of wireless communication, and in particular, to individually addressed traffic indication methods and apparatuses applicable to multiple links, for example, in a wireless local area network supporting an 802.11be standard. In an example method, a first access point (AP) of a first access point multi-link device (AP MLD) generates and sends individually addressed traffic indication information. The individually addressed traffic indication information is used to indicate whether a non-AP MLD associated with the first AP MLD has a downlink individually addressed traffic and whether a non-AP MLD associated with a second AP MLD has a downlink individually addressed traffic. The second AP MLD is an AP MLD to which a non-transmitted AP belongs. The non-transmitted AP is in a multiple basic service set identifier (BSSID) set in which the first AP is located.

Abstract: Disclosed are a dynamic error measurement apparatus, system, and method for an electricity meter. The measurement apparatus includes a test signal generation unit configured to generate a voltage test signal and two-circuit current test signals, output the voltage test signal to a measurement unit, and output the two-circuit current test signals to the measurement unit and a current summation unit; the measurement unit configured to determine two-circuit electric energy values based on the voltage test signal and the two-circuit current test signals, and output the two-circuit electric energy values to a calculation control unit; the current summation unit configured to determine a combined current signal based on the two-circuit current test signals; and the calculation control unit configured to determine a total electric energy value based on the two-circuit electric energy values. The system includes a standard meter and a measurement apparatus.

Abstract: This application provides a resource allocation method, a communication apparatus, and a computer-readable storage medium. An access point determines and sends a band indication and a resource unit allocation indication based on an RU/MRU allocated to a PPDU. The band indication indicates an index of a band of the RU/MRU, and an index range corresponding to the band indication in a first bandwidth is reused for an index range corresponding to the RU/MRU in a bandwidth of the PPDU. The resource unit allocation indication indicates an RU/MRU index of the RU/MRU on the band, and an index range corresponding to the resource unit allocation indication in the first bandwidth is also reused for an index range corresponding to the resource unit allocation indication in the bandwidth of the PPDU. The first bandwidth is greater than the bandwidth of the PPDU.

Abstract: Disclosed are a [1,2,4]triazolo[1,5-a]pyridine compound as JAK inhibitor and an application thereof in preparing a drug for treating a disease related to JAK1 or/and TYK2. Specifically, the present invention relates to a compound represented by formula (I), or an isomer or pharmaceutically acceptable salt thereof.

Abstract: A class of lactam-modified polypeptide compounds and the use thereof in the preparation of a drug for treating related diseases.

Abstract: The disclosure discloses a method for chemically synthesizing a Helicobacter pylori core lipopolysaccharide oligosaccharide antigen carbohydrate chain, and belongs to the technical field of carbohydrate chemistry. The disclosure uses D-glucose, D-galactose and D-mannose as starting materials, which undergo a series of protection and deprotection reactions to prepare eight monosaccharide blocks. The eight monosaccharide block compounds as shown in formulas 2 to 9 undergo glycosylation reactions under catalysis of corresponding activating reagents, to prepare H. pylori lipopolysaccharide core oligosaccharide antigen fragments as shown in formula 1. The disclosure further combines the synthesized oligosaccharide fragments with a chip to make a carbohydrate chip, screens the optimal antigen fragments using patient serum, or combines the synthesized oligosaccharide fragments with carrier proteins to make glycoconjugates.

Abstract: Embodiments of this application disclose a rule detection method, to increase rule anomaly detection coverage. The method in the embodiments of this application includes: determining, based on an obtained first initial priority corresponding to a first rule, an obtained second current priority corresponding to a second rule, and a determined inclusion relationship between the first rule and the second rule, a first current priority corresponding to the first rule; and then determining, based on a relationship between the first initial priority and the first current priority, whether an anomaly occurs on the first rule.

Abstract: Embodiments of the present application provide a testing equipment and a testing method. The testing equipment includes: a plurality of pad groups and a plurality of source measure units. Each of the pad groups has a stress pad. The stress pad is configured to connect an element under test. The source measure unit is configured to send an input signal to the element under test through the stress pad and measure an output signal of the element under test to acquire performance parameters of the element under test. The stress pads of at least two of the pad groups are connected to the corresponding source measure units at the same time. The embodiments of the present application help improve the testing efficiency.

Abstract: An ultrasound scanning control method applied to an ultrasound scanning device is provided. The ultrasound scanning device includes an execution mechanism. The execution mechanism includes a mechanical arm and a probe. The ultrasound scanning control method includes: controlling the mechanical arm to drive the probe to move according to a set scanning trajectory; and controlling the probe to collect an ultrasound image. A target region is identified from the collected ultrasound image. The scanning trajectory is adjusted when a position of the target region in the ultrasound image is not a predetermined position, and the mechanical arm is controlled to drive the probe to move according to the adjusted scanning trajectory.

Abstract: A kitchen showerhead and a kitchen faucet are disclosed. The kitchen showerhead includes a pressing valve, a piston cylinder, a first compression spring, and a showerhead body; the pressing valve has a valve body and a pressing rod, a water inlet and a water outlet are respectively arranged on both ends of the valve body, a water stop opening is arranged in a water passing cavity, the pressing rod is inserted into the water stop opening, and a pressing end and a water stop piston are respectively arranged on both ends of the pressing rod; and one end of the water stop piston facing away from the water stop opening and the piston cylinder form a hydraulic cavity, the water stop piston is provided with a water passing hole communicated with the hydraulic cavity, and the hydraulic cavity is communicated with the water inlet through the water passing hole.

Abstract: A state-of-charge (SOC) online estimation method of an intelligent battery includes steps of performing online estimation on the SOC based on a real-time estimation model, wherein the real-time estimation model is based on an equivalent circuit model, and then obtaining online estimates of the SOC through the SOC-OCV (open circuit voltage) relationship, the current-voltage relationship under different working conditions, and the current terminal voltage and temperature of the intelligent battery. The intelligent battery that is able to apply the SOC online estimation method includes a battery cell and a cell management unit, wherein the cell management unit includes a sensor module, a switching device, a controller module, a communication module and a printed circuit board (PCB), the sensor module includes a voltage sensor and a temperature sensor; the voltage sensor, the temperature sensor, the switching device, the controller module and the communication module are integrated on the PCB.

Abstract: A packet sending method includes: receiving, by a first node, a first broadcast data packet sent by a second node; and if a sequence number of the first broadcast data packet equals 1 plus a sequence number of a latest data packet saved by the first node, and the first node does not receive, within a first preset time period, a first acknowledgement indication for the first broadcast data packet of the second node, sending, by the first node, a first broadcast acknowledgement packet when the first preset time period elapses, where the first broadcast acknowledgement packet includes the first acknowledgement indication, and the first acknowledgement indication includes the sequence number of the first broadcast data packet and an address of the second node. This method could resolve acknowledgement packet implosion while ensuring broadcast packet reliability of a wireless mesh network.

Abstract: A table sorting method, a memory storage device, and a memory control circuit unit are provided. The method includes: reading first data from a first physical unit by using a first read voltage level according to a first voltage management table among multiple voltage management tables; decoding the first data; in response to the first data being successfully decoded, updating count information corresponding to the first voltage management table; and in response to the count information meeting a default condition, increasing a usage priority of the first voltage management table among the voltage management tables.

Abstract: A one-step molded lithium ion battery separator and preparation method and application thereof are provided. The battery separator comprises a support layer and a filler layer. The support layer comprises at least two of superfine main fiber, thermoplastic bonded fiber and first nanofiber, and the filler layer comprises at least one of inorganic fillers and third nanofiber. The lithium ion battery separator has a thickness of 19-31 ?m, a maximum pore diameter of no more than 1 ?m, and a heat shrinkage rate of less than 3% after treatment at 300° C. for 1 hour, and the separator still has a certain strength at a high temperature, ensuring stability and isolation of the rigid structure of the filler layer at a high temperature, satisfying requirements of the separator in terms of heat resistance, pore size and strength, having excellent comprehensive performance.