Abstract: Provided are an enzyme immobilization carrier and a preparation method therefor, and an immobilized enzyme and a preparation method therefor. The enzyme immobilization carrier includes a resin ball matrix, an —N(CH2OOH)2 group linked on the resin ball matrix by means of a chemical bond, and a metal ion adsorbed on the —N(CH2OOH)2 group in a chelating manner through coordination. The resin ball matrix is an amino-type methacrylic resin and/or an epoxy-type methacrylic resin, and the resin ball matrix has a particle size of 200-700 ?m. Therefore, the problems in the related art that an enzyme immobilization carrier is relatively poor in enzyme compatibility and poor in immobilization effect, and an immobilized enzyme is relatively poor in activity, and relatively poor in stability during repeated use are solved.

Abstract: The present disclosure relates to the technical field of solid-liquid separation of grain fermentation, and provides a solid-liquid separation mechanism and solid-liquid separation method for grain fermentation. A filter screen cylinder mechanism is inserted and mounted at an upper end of a rotating seat. According to the present disclosure, the rotation of the filter screen cylinder mechanism and a rotating disc mechanism has a speed difference, to realize the rolling and solid-liquid separation of fermented grain on an inner wall of the filter screen cylinder mechanism by rolling cylinders; and the rolling and solid-liquid separation is performed on fermented grain on an inner wall of the filter screen plate by the rolling cylinders, and the liquid in the fermented grain on the inner wall of the filter screen plate is rolled out, achieving a more thorough solid-liquid separation.

Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: determining, for a conversion between a current video block of a video and a bitstream of the video, motion information and location information of at least one subblock of a temporal block in a collocated frame of the current video block; determining an affine candidate of the current video block by applying a regression process to the current video block based on the motion information and the location information of the at least one subblock; and performing the conversion based on the affine candidate.

Abstract: Embodiments of the present disclosure provide methods, apparatuses and computer storage media for video processing. One example method comprises determining, during a conversion between a current video block of a video and a bitstream of the video, a motion candidate for the current video block; refining the motion candidate by performing a local search around the motion candidate based on a template matching cost rule; and performing the conversion based on the refined motion candidate, wherein a search order of the local search is related to a coding mode of the current video block.

Abstract: The disclosure relates to the technical field of experimental detection. A portable experimental device for hazardous chemical and an experimental method thereof are provided. The technical scheme of the disclosure integrates hazardous chemicals information and data of a portable meeting-water air release test device data to construct a perfect hazardous chemicals database, and realizes rapid prediction and response to a fire scene through scene data collection, preprocessing and matching. The scene data of the portable device is received and processed, and is compared with the database information, the random forest model is used to train the chemical reaction prediction model, and the real-time detection data is predicted to obtain the second prediction result. and the test experimental results are shared to each mobile terminal in time to realize the rapid transmission and sharing of information.

Abstract: The present disclosure is related to systems and methods for processing X-ray images. A method for processing an X-ray image may include obtaining an X-ray image; and determining a metal image based on the X-ray image by using a trained metal detection model. The metal image includes information of a metal object in the X-ray image.

Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: obtaining, for a conversion between a current video block of a video and a bitstream of the video, a motion candidate list for the current video block; determining, based on a similarity metric between a first motion candidate and a second motion candidate in the motion candidate list, whether to update the motion candidate list; and performing the conversion based on the determination.

Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: determining, for a conversion between a current video block of a video and a bitstream of the video, a sign prediction of a block vector difference (BVD) of the current video block; determining the BVD at least based on the sign prediction of the BVD; and performing the conversion based on the BVD.

Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: determining, for a conversion between a current block of a video and a bitstream of the video, motion information of the current block based on motion information of a neighboring block of the current block and an intra block copy merge mode with block vector difference (IBC-MBVD) mode, the neighboring block being coded with a reconstruction-reordered intra block copy (RRIBC) mode; and performing the conversion based on the motion information of the current block.

Abstract: Embodiments of the disclosure provide a solution for video processing. A method for video processing is proposed. The method includes: determining, during a conversion between a target block of a video and a bitstream of the target block, that a combination of an intra block copy (IBC) and an intra prediction (CIBCIP) mode is applied to the target block; obtaining an IBC predicted signal and an intra predicted signal based on the CIBCIP mode; deriving a prediction or a reconstruction of the target block by combining the IBC predicted signal and the intra predicted signal; and performing the conversion based on the prediction or the reconstruction of the target block.

Abstract: Disclosed is a nano pulverizing device for processing reconstituted rice flour which includes a bottom plate, support legs are fixedly connected to corners of a lower surface of the bottom plate, a housing is arranged on an upper surface of the bottom plate, and a rotating motor is arranged on the lower surface of the bottom plate. The rotating motor penetrates through the lower surface of the bottom plate and extends to the upper surface of the bottom plate, and a crushing device is rotationally connected to one end, extending to the upper surface of the bottom plate, of the rotating motor. A support frame is fixedly connected to an inner wall of the housing, a support plate is fixedly connected to a lower surface of the support frame, and a flexible plate is fixedly connected to a lower surface of the support plate.

Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: determining, for a conversion between the current video block and a bitstream of the video, a target number for a set of motion candidates, the target number being smaller than or equal to an upper limit value; determining, based on the target number and a fast rate distortion optimization (RDO) process, the set of motion candidates from a plurality of motion candidates for an intra block copy (IBC) based mode for coding the current video block; and performing the conversion based on the set of motion candidates.

Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: obtaining, for a conversion between the current video block and a bitstream of the video, a target number for a set of intra block copy merge mode with block vector difference (IBC-MBVD) candidates, the target number being indicated in the bitstream and dependent on a target configuration of a coding process for coding the current video block; selecting, based on the target number, the set of IBC-MBVD candidates from a plurality of IBC-MBVD candidates associated with an intra block copy (IBC) base candidate for the current video block; and performing the conversion based on the set of IBC-MBVD candidates.

Abstract: Provided is a rim spoke, including a spoke rope and nipples. Mounting heads are fixedly sleeved on both ends of the spoke rope; through mounting holes are formed in the nipples; the nipples are fixedly sleeved on the mounting heads by means of the mounting holes; and the spoke rope is made of a textile fiber material. When the textile fiber spoke rope in a high tension state is subjected to a heavy impact, part of an impact force is cushioned due to the flexibility and strength margin of the spoke rope itself, so that the original characteristics of the spoke rope can still be kept under an extreme impact force without irreversible deformation, thereby reducing riding failure rate of riding, ensuring the riding safety, reducing the daily maintenance requirement of a wheel, and reducing costs.

Abstract: Provided is an airflow disturbance type carbon fiber spreading device. The device includes an unwinding module, an unwinding tension control module, an airflow disturbance spreading module, a winding tension stabilizing module, a deviation correction module and a winding module which are sequentially arranged along a feeding direction. The spreading mechanism includes an airflow disturbance spreading module, the airflow disturbance spreading module includes two airflow disturbance spreading assemblies, each airflow disturbance spreading assembly includes a centrifugal fan, the centrifugal fan communicates with the bottom of an airflow duct, and three spreading guide shafts are arranged side by side on the top of the airflow duct. A tension adjusting assembly is provided between the airflow disturbance spreading assemblies. A seventh spreading guide shaft (13) is located at the upper port of an airflow duct I (25) and is connected to a slider module II (34).

Abstract: The present disclosure provides a method of manufacturing an electrode using a continuous coating line for applying an electrode coating layer on a substrate surface of a substrate, the continuous coating line comprising a coating apparatus comprising a coating head and a coating fluid supply system, and at least one oven comprising a heating element, and a substrate carrier for carrying the substrate, the method comprising continuously carrying the substrate through the continuous coating line using the substrate carrier; continuously applying a battery electrode slurry composition from the coating head to the substrate surface to form a wet coated substrate, wherein the battery electrode slurry composition is continuously fed into the coating head by the coating fluid supply system; and heating the wet coated substrate in the oven to form a dried coating on the substrate.

Abstract: Provided are an esterase mutant and the use thereof. The esterase mutant obtained by means of rational design and several rounds of evolution screening with enzymes on the basis of an amino acid sequence as shown in SEQ ID NO: 1 is changed in terms of protein structure and function compared with a wild-type esterase; in practical use, the catalytic activity and/or stereoselectivity of the esterase mutant is greatly improved; and when a system contains some organic cosolvents, the esterase mutant still has relatively stable catalytic activity and/or stereoselectivity. In addition, the improvement of the catalytic activity and/or stereoselectivity of the esterase mutant reduces the use amount of the enzyme to a certain extent and reduces the difficulty of post-treatment, and therefore the esterase mutant is suitable for industrial production.

Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: constructing a list of merge candidates for a target block of a video in a coding mode based on motion vector difference (MVD); reordering the list of merge candidates for the target block; and performing a conversion between the target block and a bitstream of the video based on the reordered list of merge candidates. Compared with the conventional solution, the proposed method can advantageously improve the coding efficiency.

Abstract: Provided are an immobilized enzyme and an application thereof in continuous production. The immobilized enzyme is a Polyethyleneimine (PEI)-modified immobilized enzyme, and includes: an enzyme, which includes Amine Dehydrogenase (AmDH) and/or Formate Dehydrogenase (FDH); and a carrier, which is a cyanuric chloride-activated amino carrier. The problem in the prior art of poor performance of an immobilized enzyme is solved, the catalytic activity and reusability of the immobilized enzyme are improved, and the immobilized enzyme is suitable for the field of enzyme immobilization.

Abstract: Devices, systems and methods related to management of syntax flags with respect chroma formats in video processing are described. In one representative aspect, a video decoding method includes determining, for a conversion between a video and a coded representation of the video, whether a syntax element associated with an adaptive loop filtering (ALF) operation for a chroma component of the video is included in the coded representation based on a condition. The method also includes performing the conversion according to the determining.