Abstract: A method of improving a field operation that comprises a gas injection may include assessing a plurality of potential injection gases against a plurality of values of a plurality of parameters associated with a plurality of samples, where each of the plurality of potential injection gases comprises an acidic component, and where the plurality of parameters comprises fluid chemistry parameters and rock properties. The method may also include determining a proposed injection gas from among the plurality of potential injection gases for the field operation that comprises the gas injection to be performed using a first wellbore in fluidic communication with a first subterranean formation, a second wellbore in fluidic communication with the first subterranean formation, a third wellbore in fluidic communication with a second subterranean formation, or any combination thereof.

Abstract: This application discloses a transmission processing method and apparatus, a communication device, and a readable storage medium, and pertains to the field of communications technologies. The transmission processing method in embodiments of this application includes: splitting, by a transmit end, a delay-Doppler domain resource block corresponding to each antenna in L antennas into L sub-blocks of equal size, L being an integer greater than 1; and performing, by the transmit end, delay-Doppler domain block encoding on the L antennas at the granularity of sub-block.

Abstract: Provided are a vibration object monitoring method and apparatus, a computer device, and a storage medium. The method includes: in response to detecting that a vibration object exists in a monitoring video picture for a target monitoring region, a vibration object region in the monitoring video picture is determined, where the vibration object region is a region where the vibration object is located in the monitoring video picture; displacement information of a key point of the vibration object in the vibration object region is recorded; vibration information of the vibration object in the monitoring video picture is determined based on the displacement information; and a vibration object monitoring result for the target monitoring region is generated according to the vibration information. The abnormal vibration monitoring can be performed on the vibration object in the target monitoring region in time according to this method.

Abstract: A sample processing apparatus (100) and a use method therefor. The sample processing apparatus (100) comprises a uniform mixing mechanism (130) and a magnetic attraction mechanism (140). The sample processing apparatus (100) further comprises at least one of a sample tube (110) and a reaction tube (120). The uniform mixing mechanism (130) is configured to perform uniform mixing processing on a biological sample in the sample tube (110) and/or a biological sample in the reaction tube (120). The magnetic attraction mechanism (140) comprises a magnet (141). The magnet (141) can move relative to the sample tube (110) and/or the reaction tube (120), so as to perform magnetic attraction processing on the biological sample in the sample tube (110) and/or the biological sample in the reaction tube (120).

Abstract: A method for a transmission parameter of an uplink channel, a terminal, and a network side device, and pertains to the field of wireless communication technologies. The method includes: obtaining, by a terminal, configuration information; and determining, according to the configuration information and detected first target DCI, a transmission parameter of a target uplink channel scheduled by the first target DCI, where the configuration information is used to indicate any one of the following: SRS resource sets configured for different DCI formats, where the SRS resource set is used for codebook-based transmission or non-codebook-based transmission; a first instruction associated with a first resource; parameter information of the different DCI formats, where the parameter information includes at least one of the following: whether a target field exists, whether a second one field of the target field exists, and a size of the target field; and a configured grant.

Abstract: An energy-efficient point cloud feature extraction method based on a field-programmable gate array (FPGA) is mapped onto the FPGA for running. The energy-efficient point cloud feature extraction method based on the FPGA is applied to point cloud feature extraction in unmanned driving; or an intelligent robot. Compared with an existing technical solution, the energy-efficient point cloud feature extraction method based on the FPGA has following innovative points: a low-complexity projection method for organizing unordered and sparse point clouds, a high-parallel method for extracting a coarse-grained feature point, and a high-parallel method for selecting a fine-grained feature point.

Abstract: An automatic extraction device and a use method therefor. The automatic extraction device comprises a sample processing apparatus (100), a portal frame (200), a consumable assembly (300), and a pipetting apparatus (400). The sample processing apparatus (100) comprises a uniform mixing mechanism (130) and a magnetic attraction mechanism (140), which are respectively used for performing uniform mixing processing and magnetic attraction processing on a biological sample. The portal frame (200) comprises a base (201) and a moving beam (202) capable of moving relative to the base (201). The sample processing apparatus (100) and the consumable assembly (300) are provided on the base (201). The pipetting apparatus (400) is provided on the moving beam (202) for implementing a pipetting operation between the consumable assembly (300) and the sample processing apparatus (100).

Abstract: Provided are transaminase mutants and uses thereof. The transaminase mutant is obtained by one or more amino acid mutations occurring in SEQ ID NO: 2 or is a mutant with a conserved amino acid mutation obtained by taking the sequence SEQ ID NO: 1 of a wild-type CvTA transaminase as a reference. Compared with wild-type transaminases, the catalytic activity of the mutant is improved to different degrees, so that the production efficiency of chiral amine compound synthesis may be improved.

Abstract: The present disclosure relates to communication methods in a UCI-only scenario. One example method includes receiving downlink control information used to schedule a PUSCH, where the PUSCH includes a first frequency hopping resource and a second frequency hopping resource, and a time-domain start symbol of the first frequency hopping resource is before a time-domain start symbol of the second frequency hopping resource, and sending first UCI on the PUSCH, where the first UCI includes at least one of an HARQ-ACK, CSI-part1, or CSI-part2, where a quantity GCSI-part1(1) of coded bits that are of the CSI-part1 in the first UCI and that are mapped onto the first frequency hopping resource is a smaller one of a fourth value and a fifth value.

Abstract: A block polymer, a lithiated block polymer, and a preparation method and application thereof are provided. A block polymer has a structure shown in B-C-B-A, where A represents a polymer block A, B represents a polymer block B, and C represents a polymer block C. The polymer block A is polymerized from alkenyl formic acid monomers. The polymer block B is polymerized from aryl vinyl monomers. The polymer block C is polymerized from acrylate monomers. The lithiated block polymer is a lithiated product of the block polymer. The block polymer and the lithiated block polymer can be used as lithium-ion battery binder.

Abstract: Provided is a method for synthesizing a chiral amine compound. A transaminase is used to transaminate a ketone substrate under the action of an amino donor, to obtain the chiral amine compound; and the conserved amino acid sequence region of the transaminase at least includes a region 1 (MAGLWCVN) and a region 2 (YNTFFKT). With the transaminase with the specific conserved amino acid sequence region to synthesize a large sterically hindered chiral amine, the enzyme catalytic reaction volume is small, the synthesizing route is short, the product yield is high, a high-cost noble metal is not required for catalysis under the synthesizing conditions, three wastes are reduced, and the production cost is saved.

Abstract: A system and a method for generating an arbitrary waveform of a microwave photon based on optical frequency tuning are provided. The system includes an optical frequency comb, a first optical distribution unit, a first photoelectric conversion unit, a frequency-shift drive circuit, and an optical frequency doubling/dividing unit, an optical frequency-shift combining optical circuit, a second photoelectric conversion unit, and a second electrical processing circuit. The optical frequency comb is used as the frequency source, with the features of high stability and low phase noise of the optical frequency comb, the arbitrary waveforms of microwave photons can be generated through optical frequency tuning control; the performance of the optical frequency comb is three orders of magnitude or more higher than that of the common microwave frequency sources, therefore, the waveforms with high-frequency, ultra-wideband, low phase noise, and high stability can be generated.

Abstract: The present disclosure provides a video processing method, including: determining, according to a consulting message, a target short video corresponding to the consulting message; and pushing the target short video to a terminal sending the consulting message. The present disclosure further provides a live streaming processing method, an electronic apparatus, a live streaming system, a terminal, and a computer-readable storage medium. The video processing method can improve the user experience during a live streaming process.

Abstract: A charging and discharging device includes a transformer consisting of a primary winding and multiple secondary windings including at least a first secondary winding and a second secondary winding; multiple ports electrically connected to the primary winding and the multiple secondary windings of the transformer, respectively, wherein the multiple ports at least include a first port electrically connected to the primary winding via a first conversion circuit; a second port electrically connected to the first secondary winding via a second conversion circuit; and a third port electrically connected to the second secondary winding via a third conversion circuit; and a first controllable switch connected between the first conversion circuit and the primary winding.

Abstract: The application relates to a sound quality output method. The method includes: obtaining the current volume level input by the user; determine the audio signal gain difference between the current volume level and the baseline volume level according to the current volume level and the preset baseline volume level, determining an equal loudness curve difference between the current volume level and the baseline volume level according to the audio signal gain difference, and the current volume level and the baseline volume level, determining the audio quality response curve corresponding to the current volume level according to the equal loudness curve difference and the pre-stored audio quality response curve corresponding to the baseline volume level, determining the output signal parameters of multiple audio output channels according to the audio quality response curve corresponding to the current volume level. The application optimizes the sound quality effect and enhances acoustic experience.

Abstract: Embodiments of the present disclosure provide a method for welding cell strings and a series welding machine. The method includes: forming an arrangement of a plurality of solar cells; inspecting the arrangement of the plurality of solar cells; providing a plurality of initial welding strips including first initial welding strips and second initial welding strips, the first initial welding strips interleave with the second initial welding strips in a first direction; cutting each of the first initial welding strips at first cutting positions, and cutting each of the second initial welding strips at second cutting positions, to obtain a plurality of welding strips; moving each welding strip in a second direction to form a set of welding strips; transferring the set of welding strips onto the arrangement of the plurality of solar cells; and welding the plurality of welding strips to corresponding solar cells to form a cell string.

Abstract: Provided is a focusing assembly including a focusing barrel and a barrel retaining ring; the focusing barrel includes a first sleeve, a second sleeve, and a third sleeve that are sequentially sleeved from inside to outside of the focusing barrel; the first sleeve is provided with a lens mounting portion for mounting a focusing lens, a first end of the second sleeve is provided with a display screen mounting portion for mounting a display screen, a second end of the second sleeve is detachably connected to the barrel retaining ring, the first end and the second end being opposite ends of the second sleeve; and the lens mounting portion and the display screen mounting portion are configured such that the relative position thereof in a focusing direction of the focusing assembly is adjustable.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may communicate with multiple transmit receive points (TRPs) in a frame based equipment mode. A wireless node (e.g., the UE and/or one or more of the multiple TRPs) may determine, among the UE and the multiple TRPs, an initiating node that acquired a current channel occupancy time. The wireless node may determine a transmission pattern that includes one or more idle periods based at least in part on a fixed frame period structure associated with the initiating node that acquired the current channel occupancy time. The wireless node may refrain from transmitting during the one or more idle periods, wherein the one or more idle periods include at least an idle period associated with the wireless node. Numerous other aspects are described.

Abstract: The present disclosure provides a DIDT control method. The method includes, at each of a plurality of DIDT control modules: obtaining a local operation load of a local ALU in each clock cycle; obtaining a global operation load of a plurality of ALUs in each cycle period; determining an operation load index of the local ALU based on local historical load information and a local historical load weight set of the local ALU and global historical load information and a global historical load weight set of the multiple ALUs, the global historical load information includes a first number of the global operation loads, the local historical load information includes a second number of the local operation loads; and adjusting an operation load of the local ALU based on the operation load index of the local ALU and a predetermined load threshold to control a DIDT of the local ALU.