Abstract: A method and system for diagnosis of error coding faults from multiple instruments are provided. The method includes acquiring sampling data series of a combination of instruments in a petrochemical process, determining a type of the sampling data series, and performing error diagnosis according to the type. The present disclosure can solve the error coding problem in a multi-instrument cooperation mode and provide safe and reliable data guarantee for safe and efficient petrochemical production.

Abstract: The present disclosure provides methods of protecting ribonucleic acid (RNA) from degradation under certain conditions by contacting the RNA with an amino acid. The present disclosure also provides compositions comprising such amino acid(s) and RNA.

Abstract: A data decoding method, performed by a computer device, is provided. The data decoding method includes obtaining coded data corresponding to a current to-be-decoded unit, obtaining a coding mode restriction type corresponding to the current to-be-decoded unit by decoding the coded data, determining a candidate coding mode set corresponding to the current to-be-decoded unit according to the coding mode restriction type, the candidate coding mode set comprising a block copy intra-frame coding mode, selecting a target coding mode from the candidate coding mode set, and decoding the current to-be-decoded unit according to the target coding mode, thereby obtaining corresponding decoded data.

Abstract: A display panel and a display device are disclosed, relating to the display technical field. The display panel comprises a display layer and a light control layer which are laminated, the light control layer comprises a plurality of light control pixel areas, the light control pixel areas comprise a thin film transistor, the display layer comprises a plurality of display pixel areas, and the display pixel areas comprise a green sub-pixel; the orthographic projection of the green sub-pixel on the light control pixel area is close to the area where the thin film transistor is located.

Abstract: The present disclosure relates to a passive outlier-tolerant and active outlier-tolerant learning method with abnormal samples and a system thereof. The method includes the following steps: (1) judging the distribution of abnormal samples in a train set, and calling a corresponding outlier-tolerant algorithm based on the distribution to carry out feature learning on the sample feature quantity in the train set to obtain an outlier-tolerant learning result; (2) training an initial learning model by using the outlier-tolerant learning result to obtain an intermediate learning model; (3) processing the test set by a preset outlier-correction algorithm to obtain an outlier-corrected test set; (4) testing the intermediate learning model using the outlier-corrected test set to obtain a final learning model. The scheme of the present disclosure can improve the passive outlier tolerance and active outlier tolerance of a machine learning process to abnormal samples.

Abstract: The present disclosure describes a method for detecting the presence of Mycobacterium tuberculosis in a bodily fluid sample. The method utilizes CRISPR effector proteins along with a guide RNA and a reporter molecule, such that when the guide RNA hybridizes with a target nucleotide fragment, the CRISPR effector protein cleaves the reporter molecule, resulting in a detectable signal.

Abstract: Provided herein are methods for detecting and identifying disease-specific biomarkers, such as target antigens associated with infection.

Abstract: A wind turbine generator system and a rotation speed avoidance control method therefor. The method comprises: according to statistical information of the rotation speed of a generator being in a rotation speed avoidance interval, identifying whether a wind turbine generator system repeatedly falls within the rotation speed avoidance interval; and when it is determined that the wind turbine generator system repeatedly falls within the rotation speed avoidance interval, adjusting a rotation speed avoidance control parameter of the wind turbine generator system according to the statistical information of the rotation speed being in the rotation speed avoidance interval. Correspondingly, further provided is a rotation speed avoidance control apparatus for a wind turbine generator system.

Abstract: The present disclosure describes a method for detecting the presence of pathogens, including SARS-CoV-2, in a sample. The method utilizes CRISPR effector proteins along with a guide RNA and a reporter molecule. RNAs in the sample are first optionally extracted and reverse transcribed, followed by amplification, such that when the guide RNA hybridizes with a target nucleotide fragment in the amplified DNA, the CRISPR effector protein cleaves the reporter molecule, resulting in a detectable signal.

Abstract: A mobile phone-based dark field microscope (MDFM) apparatus suitable for quantifying nanoparticle signals is provided. The MDFM apparatus includes an electrically operated light source, a dark-field condenser, a slide housing configured to receive an analytical slide, and an adapter housing configured to receive an objective lens and receive a portable electronic communication device. The slide housing positions the analytical slide between the objective lens and the dark-field condenser. The adapter housing registers the objective lens with a camera lens of the portable electronic communication device. A method for performing a biological quantitative study using the dark-field microscope apparatus is further provided.

Abstract: A video encoding method includes: determining current coefficients to-be-decoded in a coding block of a video image frame; obtaining a flag combination corresponding to the current coefficients, the flag combination including at least two coefficient absolute level threshold flags; decoding the coefficient absolute level threshold flags in the flag combination to obtain values of the coefficient absolute level threshold flags; and determining the coefficient absolute levels of the current coefficients according to the values of the coefficient absolute level threshold flags.

Abstract: The present disclosure describes a method for detecting the presence of Mycobacterium tuberculosis in a bodily fluid sample. The method utilizes CRISPR effector proteins along with a guide RNA and a reporter molecule, such that when the guide RNA hybridizes with a target nucleotide fragment, the CRISPR effector protein cleaves the reporter molecule, resulting in a detectable signal.

Abstract: A video decoding method includes: segmenting to-be-decoded coefficients according to a scan order of a scan region-based coefficient coding (SRCC) scan region in a coding block of a video image frame to obtain one or more coefficient parts each including a plurality of coefficients; decoding a coefficient part all zero flag of each of the coefficient parts to obtain a value of the coefficient part all zero flag; decoding a significant flag of each coefficient in the coefficient part according to the scan order in response to the value of the coefficient part all zero flag being a preset first value, the significant flag being used for indicating whether the coefficient is a non-zero coefficient; and setting the significant flag of each coefficient in the coefficient part to zero, in response to the value of the coefficient part all zero flag being a preset second value.

Abstract: Embodiments of this application provide a method, an apparatus, a non-transitory computer-readable medium, and an electronic device for coding and decoding a video. The video decoding method includes: obtaining an absolute value of a first direction component of a string vector difference through decoding from a bitstream; obtaining a sign value of the first direction component of the string vector difference through decoding from the bitstream, when the absolute value of the first direction component of the string vector difference is not 0; and determining a value of the first direction component of the string vector difference according to the absolute value of the first direction component of the string vector difference and the sign value of the first direction component of the string vector difference.

Abstract: A video decoding method includes obtaining a size of a coding block of a video image frame, and decoding a bitstream of the coding block to obtain a value of a range variable associated with a SRCC scan region of the coding block. The range variable includes a width range variable and a height range variable. Each of the width range variable and the height range variable are obtained by comparing a prefix value to one or more predefined value intervals. The method further includes determining a horizontal coordinate of boundary coordinates of the SRCC scan region according to a difference between the width of the coding block and the width range variable and determining a vertical coordinate of the boundary coordinates of the SRCC scan region according to a difference between the height of the coding block and the height range variable.

Abstract: A video decoding method includes determining, from among plural value intervals, a first value interval to which an absolute value of a displacement vector difference of a current decoding unit in a first direction belongs. The method further includes determining, based on the first value interval, that the displacement vector difference in the first direction has a prefix value and a suffix value, and determining, based on the first value interval, a first suffix decoding method for decoding the suffix value. The method further includes performing decoding processing on a first suffix part in a bitstream using the determined first suffix decoding method, to obtain the suffix value corresponding to the displacement vector difference in the first direction. The method further includes determining, based on the prefix value and the suffix value, the displacement vector difference in the first direction.

Abstract: The present disclosure provides a display panel, a method for driving the display panel and a display device. The display panel includes a display region and a non-display region. The non-display region includes a first bonding region, and further includes first connection lines connected to a plurality of gate lines respectively and second connection lines connected to a plurality of data lines respectively. The display panel further includes at least one chip on film, the chip on film includes a second bonding region, a first region, and a second region between the second bonding region and the first region. A scanning driving integrated circuitry connected to the second bonding region via first wirings and a data driving integrated circuitry connected to the second bonding region via second wirings are bonded in the first region. The first wirings and the second wirings are arranged at different layers in the second region.

Abstract: This application provides a method for determining a candidate motion information list for a current codec block, including: determining a target motion information list and a historical motion information table for the current codec block; and obtaining, when the target motion information list is not full, at least one piece of motion information based on the historical motion information table, and filling the candidate motion information list based on the at least one piece of motion information, the candidate motion information list being used for providing candidate predicted displacement vectors for the current codec block. This application further provides an apparatus for determining a candidate motion information list, an electronic device, a storage medium, and a computer program product.

Abstract: A mobile phone-based dark field microscope (MDFM) apparatus suitable for quantifying nanoparticle signals is provided. The MDFM apparatus includes an electrically operated light source, a dark-field condenser, a slide housing configured to receive an analytical slide, and an adapter housing configured to receive an objective lens and receive a portable electronic communication device. The slide housing positions the analytical slide between the objective lens and the dark-field condenser. The adapter housing registers the objective lens with a camera lens of the portable electronic communication device. A method for performing a biological quantitative study using the dark-field microscope apparatus is further provided.

Abstract: This application provides a method and an apparatus for constructing a motion information list in video encoding and decoding and a device, which relates to the field of video encoding and decoding technologies. The method includes: constructing a space domain motion information list, the space domain motion information list including motion information of a space domain neighboring block of a current block, and the space domain neighboring block including at least an intra string copy (ISC) block; and obtaining at least one piece of motion information from the space domain motion information list when motion information in a candidate motion information list is insufficient, and filling the candidate motion information list using the at least one piece of motion information.