Abstract: Disclosed are a method for preparing a porcine-derived interferon-delta 5 (pIFN-?5) and an application of the pIFN-?5, where the method for preparing pIFN-?5 includes the following steps: step S1, obtaining a DNA fragment containing pIFN-?5 gene through reverse transcription-polymerase chain reaction (RT-PCR) amplification by using the total RNA of pretreated porcine small intestinal epithelial cells IPEC-J2; step S2, inserting the DNA fragment containing pIFN-?5 gene into an exogenous expression vector to construct a recombinant expression vector for expressing the pIFN-?5 gene; and step S3, introducing the recombinant expression vector into a suitable host cell, and driving the host cell to express the pIFN-?5 gene to obtain the pIFN-?5. The recombinant pIFN-?5 protein is used to prepare drugs or preparations for inhibiting infection of porcine epidemic diarrhea virus (PEDV), porcine transmissible gastroenteritis virus (TGEV), porcine delta coronavirus (PDCoV) and porcine rotavirus (PRoV).

Abstract: An experimental device and method for supercritical CO2/H2O mixed fluid huff and puff for shale oil development includes a CO2 storage tank, a water vapor generator, a mixing vessel, and a core holder; the CO2 storage tank and the water vapor generator are in communication with the mixing vessel; a first pressure gauge and a hygronom are connected to an upper end of the mixing vessel, and a displacement pump is connected to a lower end of the mixing vessel; the mixing vessel is connected to an inlet end of the core holder; the core holder is connected to an inlet end of a drying pipe, and the measuring cylinder is disposed upside down in a liquid containing dish, where the liquid containing dish and the measuring cylinder are filled with a saturated sodium carbonate solution.

Abstract: Antibodies that bind to HIV gp120 and neutralize HIV are disclosed. Also disclosed are methods of using such antibodies alone or in combination with other therapeutic agents to treat or prevent HIV infection.

Abstract: A control circuit applied to a power adapter includes a voltage conversion unit and a switch control unit. The voltage conversion unit is configured to: receive a first direct current voltage, and generate a second direct current voltage based on the first direct current voltage, where when the first direct current voltage is lower than a working voltage of the switch control unit, the voltage conversion unit is configured to boost the first direct current voltage, to obtain the second direct current voltage. The switch control unit is configured to: receive the second direct current voltage from the voltage conversion unit, and use the second direct current voltage as a power supply voltage of the switch control unit.

Abstract: A method for ecological disturbance risk identification and assessment based on automatic parameter adjusting optimization model is disclosed. The method includes: establishing a three-layer ecological disturbance risk assessment index system based on an ecological disturbance risk identification and assessment function, performing normalization preprocessing on the assessment indexes, screening the assessment indexes meeting a multicollinearity judgement interval based on variance inflation factor method, establishing an ecological disturbance risk assessment model, optimizing weight parameters of the ecological disturbance risk assessment model based on particle swarm optimization algorithm to obtain an optimal solution of the model weight, and outputting a result of the risk index of ecological disturbance.

Abstract: Methods are described for managing transmission resources using user group correlation. A content provider or an advertiser may send, to a network provider, a content item that is to be transmitted to a target audience. The content provider or the advertiser may indicate the target audience by providing data identifying one or more criteria for the target audience. The network provider may use the data from the content provider to determine an initial user group that matches the criteria, and one or more additional user groups that are similar to the initial user group within a threshold. The network provider may transmit the content item to the initial user group and to the additional user groups.

Abstract: An ECG information processing method and ECG workstation, wherein the method comprises: the ECG workstation receives the ECG data output by an ECG device, the ECG data includes ID of the measured object and the detection time information; perform ECG data analysis on the ECG data to generate report data; receive a report data query input by the user, query corresponding report data according to the user ID of the user, and generate report data query result list data; acquire the selected report data according to the selection instruction, determine output mode information and output format information according to the report output, and, selectively output report conclusion data, report entry data, and/or the partial data or all the data in the report graphic data, and convert the partial data or all the data in data format according to the output format information, to generate report output data.

Abstract: The present disclosure relates to systems and methods for video encoding. The systems may determine a current string in a coding unit (CU) of an image frame. The current string may include one or more pixels. The systems may determine a first cost based on pixels with a same pixel value in the current string. The systems may determine a second cost based on one or more strings that are located above the current string. The systems may further determine a prediction string of the current string based on the first cost and the second cost. To determine the prediction string of the current string based on the first cost and the second cost, the systems may designate the current string as the prediction string of the current string in response to that the first cost and the second cost are not determined.

Abstract: The present disclosure relates to systems and methods for video encoding. The systems may determine a current string in a coding unit (CU) of an image frame. The current string may include one or more pixels. The systems may determine, based on a first pixel in the current string, a reference matching pixel of the first pixel by searching a searching area. The searching area may include a plurality of matching pixels The systems may determine, based on the reference matching pixel and matching patterns, a count of matching pixels in each of a plurality of groups, corresponding to the matching patterns, of the current string. The systems may further determine, based on counts of matching pixels in the plurality of groups corresponding to the matching patterns, a target prediction of the current string.

Abstract: Disclosed are a method for preparing a porcine-derived interferon-delta 5 (pIFN-?5) and an application of the pIFN-?5, where the method for preparing pIFN-?5 includes the following steps: step S1, obtaining a DNA fragment containing pIFN-?5 gene through reverse transcription-polymerase chain reaction (RT-PCR) amplification by using the total RNA of pretreated porcine small intestinal epithelial cells IPEC-J2; step S2, inserting the DNA fragment containing pIFN-?5 gene into an exogenous expression vector to construct a recombinant expression vector for expressing the pIFN-?5 gene; and step S3, introducing the recombinant expression vector into a suitable host cell, and driving the host cell to express the pIFN-?5 gene to obtain the pIFN-?5. The recombinant pIFN-?5 protein is used to prepare drugs or preparations for inhibiting infection of porcine epidemic diarrhea virus (PEDV), porcine transmissible gastroenteritis virus (TGEV), porcine delta coronavirus (PDCoV) and porcine rotavirus (PRoV).

Abstract: In the field of image encryption and decryption, in order to solve the problem of small key space in the encryption process caused by low dimension of one-dimensional chaotic map and few initial values and control parameters, the present disclosure provides an image encryption and decryption communication algorithm based on two-dimensional lag complex Logistic map, which expands the variables of one-dimensional Logistic map from the real number domain to the complex number domain, improves the dimension of the mapping system, increases the number of keys, and expands the mapping range, wherein the new mapping system is more sensitive to small disturbances of initial values and parameters, which can break the strong correlation between pixels in the original image, so that the pixels of the encrypted image are uniformly distributed in the whole plane, and the features of the original image are hidden.

Abstract: The present disclosure relates to systems and methods for block division and encoding in video processing. A method may include obtaining a block to be predicted in an image frame. The method may also include determining, based on a plurality of division modes of the block, a target division mode of the block. The plurality of division modes may include an equal division mode that is configured to divide the block into multiple sub-blocks with a same size. The method may further include dividing, based on the target division mode, the block into a plurality of sub-blocks, and encoding the block based on the plurality of sub-blocks.

Abstract: The present disclosure relates to systems and methods for image compensation. The systems may obtain a reconstructed image frame. The systems may determine a primary classification manner of pixels in the reconstructed image frame. The systems may determine a primary compensation value of each category of pixels in the reconstructed image frame that are classified based on the primary classification manner. The systems may obtain a compensated image frame by compensating the reconstructed image frame based on the primary compensation value of each category of pixels in the reconstructed image frame.

Abstract: The present disclosure may relate to a system and a method for video coding. The method may include determining at least one classification mode of a first component of a first pixel for a block in an image frame based on at least one pixel value of at least one second component of at least one second pixel that surrounds the first pixel. The method may also include generating a target classification result by classifying the first component based on at least a portion of the at least one classification mode. The method may also include compensating the first component based on an optimal compensation value of the target classification result.

Abstract: A charging circuit, an adapter, and a charging system and method are applied to a charging process of a terminal device. The terminal device may be charged by using an adapter having no electrolytic capacitor, which is conducive to achieving miniaturization of the adapter. When a voltage of a charging interface of the terminal device is low, the charging circuit may discharge by using a terminal battery, to maintain the voltage of the charging interface. The charging circuit may also decrease a charging current provided to the terminal battery, to maintain the voltage of the charging interface. The voltage of the charging interface may be equivalent to a voltage of an output interface of the adapter.

Abstract: An active clamp flyback circuit includes: a clamp capacitor that is connected to a primary-side winding of a transformer and that is configured to absorb leakage inductance energy of the primary-side winding; an auxiliary switching transistor that is configured to control the clamp capacitor to perform reverse excitation power charging on the primary-side winding by using the auxiliary switching transistor; a first diode, where the first diode is connected in series between the clamp capacitor and the auxiliary switching transistor; and a second diode, where the second diode is connected between the first diode and the clamp capacitor , and the second diode is connected in series between the clamp capacitor and a primary-side auxiliary winding.

Abstract: A control method of a two-transistor flyback converter including an auxiliary circuit, where before charging of a primary-side winding starts, the control method may include the auxiliary circuit may increasing a potential at a first end of the primary-side winding, and decreasing a potential at a second end of the primary-side winding. By adding the auxiliary circuit, soft switching can be implemented for switching transistors at both ends of the primary-side winding.

Abstract: The present invention provides novel anti-HIV antibodies with improved therapeutic properties, related pharmaceutical compositions, and methods of use thereof.

Abstract: Methods and systems for executing transactional schema changes at a database are provided. The method includes receiving, at a gateway node of a cluster of database nodes, a statement corresponding to a schema of a database stored by the cluster, wherein a parent transaction comprises the statement, the statement comprises a schema change operation to modify the schema, and a first version of one or more versions of a descriptor comprises the schema. The method includes generating, by the parent transaction and using one or more child transactions, a version of a synthetic descriptor comprising an updated schema with an added schema element configured to be available for the parent transaction. The method includes writing the synthetic descriptor as an updated version of the descriptor, wherein the updated version comprises the updated schema with the added schema element in a publicly available state. The method includes committing the parent transaction.

Abstract: Systems and methods are described for refining first point cloud data using at least second point cloud data and one or more sets of quantizer shifts. An example point cloud decoding method includes obtaining data representing at least a first point cloud and a second point cloud; obtaining information identifying at least a first set of quantizer shifts associated with the first point cloud; and obtaining refined point cloud data based on at least the first point cloud, the first set of quantizer shifts, and the second point cloud. The obtaining of the refined point cloud data may include performing a subtraction based on at least the first set of quantizer shifts. Corresponding encoding systems and methods are also described.