Abstract: A transaction data processing method includes: determining one or more transaction key values and one or more transaction feature values of a to-be-processed transaction according to transaction information of the to-be-processed transaction; determining a rule union corresponding to the to-be-processed transaction according to the one or more transaction key values, the rule union including a plurality of to-be-matched rules; matching the one or more transaction feature values of the to-be-processed transaction sequentially with the plurality of to-be-matched rules in the rule union to obtain a rule matching result of the to-be-processed transaction; and performing a billing process of the to-be-processed transaction according to the rule matching result.

Abstract: A multi-dimensional space load and fire test system for a tunnel structure, which includes a multi-point loading self-balancing reaction force system having a rigid platform, two furnace body side-sealing apparatuses (22) and a model assembly and transport apparatus (23) for transporting and situating a tunnel model are on a track on the rigid platform (9), the two furnace body side-sealing apparatuses (22) are respectively used for sealing two end openings of the tunnel model, a tower-type combustion vehicle can be placed within an inner cavity of the tunnel model, a plurality of sets of evenly distributed self-adaptive loading apparatuses (3) used for exerting loading forces on an outer wall of the tunnel model are connected between two reaction force frames (1) of the multi-point loading self-balancing reaction force system.

Abstract: Embodiments disclosed herein generally relate to methods of depositing a plurality of layers. A doped copper seed layer is deposited in a plurality of feature definitions in a device structure. A first copper seed layer is deposited and then the first copper seed layer is doped to form a doped copper seed layer, or a doped copper seed layer is deposited directly. The doped copper seed layer leads to increased flowability, reducing poor step coverage, overhang, and voids in the copper layer.

Abstract: A multi-dimensional space load and fire test system for a tunnel structure, which comprises a multi-point loading self-balancing reaction force system having a rigid platform, two furnace body side-sealing apparatuses (22) and a model assembly and transport apparatus (23) for transporting and situating a tunnel model are on a track on the rigid platform (9), the two furnace body side-sealing apparatuses (22) are respectively used for sealing two end openings of the tunnel model, a tower-type combustion vehicle can be placed within an inner cavity of the tunnel model, a plurality of sets of evenly distributed self-adaptive loading apparatuses (3) used for exerting loading forces on an outer wall of the tunnel model are connected between two reaction force frames (1) of the multi-point loading self-balancing reaction force system.

Abstract: A preparation method for a spherical silica powder filler, comprises the following steps: S1, providing spherical polysiloxane comprising T units by means of a hydrolysis condensation reaction of R1SiX3, wherein R1 is hydrogen atom or an independently selectable organic group having 1 to 18 carbon atoms, X is a hydrolyzable group, and the T unit is R1SiO3—; and S2, calcining the spherical polysiloxane under the condition of a dry oxidizing gas atmosphere at a calcining temperature between 850° C. and 1200° C., so as to obtain a spherical silica powder filler having a low hydroxyl content. The spherical silica powder filler is composed of at least one selected from Q1 unit, Q2 unit, Q3 unit and Q4 unit, wherein Q1 unit is Si(OH)3O—, Q2 unit is Si(OH)2O2—,Q3 unit is SiOHO3—, Q4 unit is SiO4—, and the content of Q4 unit is greater than or equal to 95%.

Abstract: Circuits and methods for operating a transmitter in a communication system is disclosed. The transmitter analyzes a power level along with one or more real-time transmission conditions associated with transmission of a signal. Based on the power level and the one or more real-time transmission, the communication system selects between a low-power circuit and a high-power circuit for processing the signal for transmission.

Abstract: Circuits and methods for operating a receiver in a communication system is disclosed. The receiver analyzes interference power levels at two or more frequency regions within a received signal. The receiver selects a low-power circuit based on the frequency-analyzed interference power for processing the received signal.

Abstract: A preparation method for a spherical silica powder filler comprises the following steps: S1, providing spherical polysiloxane comprising a T unit by means of a hydrolysis condensation reaction of R1SiX3, wherein R1 is hydrogen atom or an organic group having independently selectable 1 to 18 carbon atoms, X is a hydrolyzable group, and T unit is R1SiO3—; and S2, calcining the spherical polysiloxane under the condition of a dry oxidizing gas atmosphere, the calcining temperature being between 850° C. and 1200° C., so as to obtain the spherical silica powder filler which does not contain silica particles of which the diameter is less than 50 nanometers. The spherical silica powder filler does not contain silica particles of which the diameter is less than 50 nanometers, has a low dielectric loss and a low thermal expansion coefficient, and is suitable for high-frequency high-speed circuit boards, prepregs or copper clad laminates, etc.

Abstract: Entity scoring calibration includes receiving values for a metric by which to calibrate a reputation scoring model. The reputation scoring model is usable to determine a reputation score. The reputation scoring model to be calibrated is based at least in part on a set of model parameters associated with reputation scoring components. It further includes receiving a plurality of feedback items pertaining to one or more entities. It further includes calibrating the reputation scoring model at least in part by adjusting at least some of the model parameters associated with the reputation scoring components such that reputation scores generated by the calibrated reputation scoring model track the values for the metric.

Abstract: Provided is an amino acid dehydrogenase mutant. The amino acid sequence of the mutant is obtained by mutating the amino acid sequence shown in SEQ ID NO:1. The mutation includes at least one of the following mutation sites: 64th, 94th, 133rd, 137th, 148th, 168th, 173rd, 183 rd, 191st, 207th, 229th, 248th, 255th and 282nd sites; or the amino acid sequence of the amino acid dehydrogenase mutant is an amino acid sequence having the mutation sites in the mutated amino acid sequence and having a 80% or more homology with the mutated amino acid sequence. The mutant enzyme activity is more than 50 times higher than that of wild amino acid dehydrogenase, and the enzyme specificity is also correspondingly improved.

Abstract: The present disclosure provides a student performance evaluation method and system based on artificial intelligence (AI) identification data, and relates to the field of intelligent education. A lightweight network model suitable for student performance evaluation takes the AI identification data as an input and evaluation results as an output. A training data generation algorithm is provided, and multidimensional AI identification data and labels are uniformly processed into training data suitable for the network model through the above algorithm, which can solve the problems that dimensions between any AI identification data and various labels are not uniform, and original data cannot meet training of a multidimensional and cross-time prediction model. A simulated data generation algorithm and a simulated label generation algorithm are provided, and simulated training data is generated using these algorithms in conjunction with the training data generation algorithm.

Abstract: A data query method is provided. A data query request for a target data model is obtained. Based on the data query request and target metadata corresponding to the target data model, a target physical table corresponding to the data query request is determined from a plurality of physical tables corresponding to the target data model. The target metadata is determined based on the plurality of physical tables. The plurality of physical tables includes a basic table and a pre-aggregated table. The basic table is configured to record basic data of one granularity, and the pre-aggregated table is configured to record data of a plurality of granularities. Target query data corresponding to the data query request is obtained based on the data query request and the target physical table.

Abstract: The invention relates to the field of switches, and particularly provides a switch for a vehicle and a vehicle. The invention aims to solve the problem of an uneven gap between a switch and an interior trim panel of an existing vehicle. To this end, the vehicle according to the invention comprises a surface housing, the surface housing is provided with a groove, the switch is disposed in the groove, the switch comprises a pressing rod assembly, the pressing rod assembly comprises a rocking bar and a connecting piece, the rocking bar is rotatably connected to the connecting piece, and the connecting piece is fixedly connected to the groove. When the pressing rod assembly is installed, because no member for positioning the pressing rod assembly is available, the pressing rod assembly can be installed at any position in a transverse direction of the groove.

Abstract: An image frame loss detection method is performed by a computer device, including: acquiring first coded data respectively corresponding to a plurality of first image frames and a color signal corresponding to at least one second image frame; obtaining second coded data corresponding to at least one second image frame generated by a terminal device through image rendering of a color signal based on the coded data respectively corresponding to the plurality of first image frames; and comparing the first coded data respectively corresponding to the plurality of first image frames with the second coded data corresponding to the at least one second image frame to determine whether a frame loss occurs. The first coded data and the second coded data each include color-coded data respectively corresponding to M image blocks of a correspond image frame, and each of the M image blocks has a color in the image frame.

Abstract: A battery cell, comprising a first electrode plate, an separator and a second electrode plate, the first electrode plate, the separator and the second electrode plate are stacked in sequence along a first direction, the battery cell also includes a first side surface and a second side surface which are disposed along the first direction and adjacent to each other, the first side surface and the second side surface are connected through a first connection region, the battery cell further includes an adhesive film, and the adhesive film is disposed in the first connection region, and is bonded to the first electrode plate, the separator and the second electrode plate, thereby improving safety of the battery cell.

Abstract: Techniques for improving a user video game experience are described. In an example, a computer system accesses videos showing separate completions of an activity by a plurality of video game players. From a definition of the activity, it is determined that the activity is a parent of sub-activities. Links to video portions of the videos are generated, wherein each video portion corresponds to a sub-activity. A score is generated for each video portion based on a relevance of each video portion to a user. The links are presented in a user interface to the user based on the score for each video portion, wherein upon selection of a first link, the user interface displays a first video to the user starting at a first video portion showing a completion of a sub-activity by a video game player.

Abstract: A packaging structure including an accommodating part and a sealing part extending from the accommodating part. The accommodating part includes a first edge, a second edge, a third edge and a fourth edge which are connected in sequence. The first edge and the third edge are opposite to each other. The second edge and the fourth edge are both connected to the first edge and the third edge. The length of the first edge is less than the length of the second edge, and the length of the first edge is less than the length of the fourth edge. The sealing part includes a first sealing edge provided along the second edge, and a second sealing edge provided along the fourth edge. A part of the first sealing edge extending beyond the first edge and a part of the second sealing edge extending beyond the first edge are respectively folded towards the first edge.

Abstract: The present disclosure provides a shift register, a gate driving circuit and a display panel, and belongs to the field of display technology. The shift register of the present disclosure includes: an input circuit configured to precharge and reset a pull-up node; one pull-down control circuit being electrically connected to one pull-down circuit through a pull-down node; the pull-down control circuit being configured to control a potential at the pull-down node under a first power voltage; each pull-down circuit being configured to pull down the potential at the pull-down node in response to a potential at the pull-up node; an output circuit configured to output a clock signal through a signal output terminal in response to the potential at the pull-up node; one first noise reduction circuit connected to one pull-down node.

Abstract: Embodiments of the present disclosure provide a quantitative method and system for attention based on a line-of-sight estimation neural network, which improves the stability and training efficiency of the line-of-sight estimation neural network. A few-sample learning method is applied to training of the line-of-sight estimation neural network, which improves generalization performance of the line-of-sight estimation neural network. A nonlinear division method for small intervals of angles of the line of sight is provided, which reduces an estimation error of the line-of-sight estimation neural network. Eye opening and closing detection is added to avoid the line-of-sight estimation error caused by an eye closing state. A method for solving a landing point of the line of sight is provided, which has high environmental adaptability and can be quickly used in actual deployment.