Abstract: The present disclosure relates to a quick-connect device and construction machinery, wherein the quick-connect device is used to connect an attachment to a mounting base. The attachment comprises a first attachment pin shaft and a second attachment pin shaft extending in a preset direction, and the quick-connect device comprises at least one of a first locking component and a second locking component, wherein the first locking component is configured to achieve locking of the first attachment pin shaft and has a first locked state and a first unlocked state that can be automatically switched, and the second locking component is configured to achieve locking of the second attachment pin shaft and has a second locked state and a second unlocked state that can be automatically switched.

Abstract: A method and system for preparing epoxypropane by direct epoxidation of propylene includes the steps of subjecting a mixed gas of a first feed gas and a second feed gas to a contact reaction with a catalyst under reaction conditions of propylene epoxidation to prepare epoxypropane. The first feed gas contains oxygen gas and is free or substantially free of hydrogen gas. The second feed gas contains hydrogen gas and is free or substantially free of oxygen gas. The first feed gas and/or the second feed gas contain propylene, at least one of the first feed gas and the second feed gas further contains a diluent gas. The method can be used for reducing dosage of diluent gas, preferably recycling the tail gas, thereby significantly increasing the conversion rate of propylene without compromising the service life of catalyst.

Abstract: A UCI transmission method, a UCI receiving method, a terminal, and a network device are provided. The method includes: in a case that a time-domain transmission resource of a first uplink channel carrying first UCI and a time-domain transmission resource of a second uplink channel carrying second UCI are overlapped, multiplexing the first UCI and the second UCI on a same channel for transmission.

Abstract: A HARQ-ACK transmission method includes receiving, by a terminal, scheduling information sent by a network-side device; and in a case that the terminal determines, based on the scheduling information, that a first HARQ-ACK is triggered and that a second HARQ-ACK and the first HARQ-ACK are fed back within a same time unit, feeding back, by the terminal, the first HARQ-ACK and/or the second HARQ-ACK to the network-side device, where the second HARQ-ACK is a first feedback of a HARQ-ACK of one or more PDSCHs and/or PDCCHs, and the first HARQ-ACK includes retransmission of a historical HARQ-ACK.

Abstract: A composite fabric, a resulting wearable (or non-wearable) article, a garment, the methods of making the same, and the methods of using the same are provided. The composite fabric includes a mesh, made of a plurality of fibers, and a hydrogel layer. The mesh is at least partially embedded in the hydrogel layer. The composite fabric can provide cooling to a subject such as a human subject. The hydrogel layer includes a solid gel matrix and a liquid portion comprising water or another solvent. The hydrogel layer includes a crosslinked polymer. The liquid portion is embedded and distributed within the solid gel matrix.

Abstract: A method of etching a target material exposed on a substrate that also includes a reservation material exposed on the substrate includes exposing both the target material and the reservation material to an oxygen source to selectively form oxide on the reservation material relative to the target material, and etching the target material using an etchant gas. The oxide on the reservation material slows an effective etch rate of the reservation material relative to an effective etch rate of the target material. The reservation material may have a similar or different material composition than the target material. The target material may be exposed in a first subset of recesses with a first aspect ratio and while the reservation material may be exposed in a second set of the recesses with a second aspect ratio higher than the first aspect ratio.

Abstract: A codebook feedback method and apparatus, a device, and a computer storage medium. The method includes: determining, by a terminal, a target codebook for feedback based on one or more type 3 codebooks, or based on one or more type 3 codebooks and other HARQ-ACK codebook(s) that need to be fed back, where the one or more type 3 codebooks need to be fed back by the terminal in a single time unit as triggered by a network side, or the one or more type 3 codebooks and other HARQ-ACK codebook(s) need to be fed back by the terminal in a single time unit as triggered by the network side.

Abstract: An indication method of a power saving mode includes: instructing, by a network side device in a channel occupancy time (COT) of an unlicensed band, a terminal to enter a power saving mode.

Abstract: An information transmission method and apparatus, a terminal, and a storage medium, and pertains. The information transmission method in embodiments of this application includes: performing, by the terminal, conflict handling in a case that there is a conflict between feedback resources and transmission resources for a first uplink transmission, where the feedback resources are PUCCH resources, the feedback mode is NACK-only feedback mode, and the conflict handling includes one of the following: transmitting PUCCH or the first uplink transmission; and multiplexing PUCCH with the first uplink transmission for transmission.

Abstract: An optical scanner system for a LiDAR includes a light emitter, a light receiver, a controller, and a scanner. The light emitter can emit a detection laser. The light receiver can receive an echo generated by reflecting the detection laser by an object and generate an electrical signal based on the echo. The controller can communicate with the light emitter and the light receiver. At least one of the light emitter or the light receiver is arranged on a same circuit board as the controller. The scanner can reciprocate on two sides of an equilibrium position, scan the detection laser towards the outside of the LiDAR, and return the echo back to the inside of the LiDAR.

Abstract: Power semiconductor device includes: substrate, including cell region and terminal region; main junction structure, locating in cell region; plurality of field limiting ring structures, locating in terminal region, isolated in first direction pointing from cell region to terminal region, including at least one first field limiting ring and at least one cutoff ring located on one side of first field limiting ring in first direction; first insulating layer, locating on side of both main junction structure and field limiting ring structures away from substrate; electrode layer, locating on side of first insulating layer away from substrate, including first field plate covering portion of main junction structure close to field limiting ring structures and at least one first field limiting ring close to main junction structure; first field plate electrically connecting with main junction structure. Present application improves maximum breakdown voltage and reliability against dielectric breakdown of device.

Abstract: This disclosure relates to an optical transceiver assembly for a LiDAR, a LiDAR, and terminal equipment. The optical transceiver assembly includes a transmitting end including a transmitter and a transmitting lens, and a receiving end including a receiving lens and a receiver. The transmitter includes a laser configured to transmit a first light beam, and the transmitting lens is configured to shape and guide the first light beam to an external field of view. The receiving end is configured to transmit an echo generated by reflection of the first light beam from an object to the receiver. The receiver includes a detector configured to receive the echo and generate an electrical signal. A ratio of an image height of the transmitting lens to an image height of the receiving lens at a predetermined field of view angle is within a first threshold range.

Abstract: A chimpanzee adenovirus vector from newly discovered and isolated chimpanzee adenovirus with unique HVR sequences and a method of its construction and application thereof, with higher viral titer, and provides a method for determining its viral titer. The chimpanzee adenovirus circular vector is constructed through a shuttle plasmid, and knocks out E1 and E3 to construct a replication-defective chimpanzee adenovirus vector. The chimpanzee adenovirus vector described in this article has no preexisting antibody in the population, and the knockout of E1 and E3 is safe. At the same time, it is significantly different from human adenovirus type 5 E1 in 293 cells, which can greatly avoid recovery mutation (RCA) and make it safer. The novel coronavirus vaccine has strong stability and does not cause mutations after multiple passages, and it can induce strong humoral immunity and cellular response in mouse models.

Abstract: The present invention relates to the field of gene editing and tumor immunotherapy. In particular, the invention relates to methods for preparing modified T cells, such as CAR-T cells, by gene editing, and modified T cells prepared by the methods and uses thereof.

Abstract: This application discloses a communication processing method and apparatus and a communication device. The method includes: in a case that there is feedback delay for target hybrid automatic repeat request acknowledgement HARQ-ACK information corresponding to a target physical downlink shared channel PDSCH, performing a predetermined operation based on a transmission time of the target PDSCH. The predetermined operation includes: determining that a first rule applies to the target PDSCH, where the first rule characterizes a timing relationship requirement between the target PDSCH and a feedback time corresponding to the target HARQ-ACK information.

Abstract: The invention provides a method for preparing lithium manganese iron phosphate, which includes the following steps: S1: mixing a manganese source and/or an iron source in solid phase to obtain a first mixture; S2: sintering the first mixture in solid phase at 300° C. to 1200° C. to obtain a manganese iron oxide (MnxFe1?x?y)mOn; S3: mixing the manganese iron oxide (MnxFe1?x?y)mOn with a lithium source, a phosphorus source, and optionally a manganese source and/or an iron source in solid phase to obtain a second mixture; and S4: sintering the second mixture in solid phase at 350° C. to 900° C. to obtain lithium manganese iron phosphate LiMnxFe1?x?yPO4, wherein 0?x?1, and 0?y?1. The method of the present invention can be used to prepare a lithium manganese iron phosphate material with high tap density, long cycle life, low costs, and high cost-effectiveness.

Abstract: A data transmission method and apparatus, and storage medium are provided. The method includes: determining, by a layer 3 (L3), data to be transmitted via a medium access control (MAC) link, wherein a quantity of the data to be transmitted is determined such that a data buffer of an MAC function entity meets a transmission rate of the MAC link.

Abstract: An uplink transmission method, an uplink transmission configuration method, an apparatus, and a communication device. The uplink transmission method in embodiments of this application includes: receiving, by a terminal, a first message from a network-side device, where the first message indicates to perform N repetitions of a first uplink transmission, and N is a positive integer; and determining, by the terminal based on a second message from the network-side device, a target time domain unit corresponding to the first uplink transmission, where the second message is used to configure at least one time domain unit, and the at least one time domain unit includes a subband full duplex SBFD time domain unit.

Abstract: Methods, apparatuses, and products for context-based connection policies for securing remote virtual device connections, including: receiving, from a client device, a request to establish a session with a virtual computing device implemented in a cloud computing environment, wherein the request comprises an authentication context received by the client device from an authentication service, wherein the authentication context describes a user account associated with the client device and an operational state of the client device; establishing the session between the client device and the virtual computing device; and controlling one or more redirection features of the session based on the authentication context.

Abstract: A method and terminal for generating a semi-static HARQ-ACK codebook is disclosed, where the generation method includes: determining, based on at least one of K1 sets corresponding to a first PDSCH and a second PDSCH, a K1 set associated with an active UL BWP; determining, for each K1,k value in the K1 set associated with the active UL BWP, based on at least one of TDRA tables corresponding to the first PDSCH and the second PDSCH, a candidate PDSCH reception occasion in a slot corresponding to each K1,k value; and determining, based on the candidate PDSCH reception occasion, the semi-static HARQ-ACK codebook.